SUPERCLASS: INCERTAE SEDIS
ORDER: INCERTAE SEDIS
Genus: Apedolepis YOUNG, 1997
A. tomlinsonae YOUNG, 1997 (Type)
Genus: Eleochera SANSOM & SMITH, 2004
E. glossa SANSOM & SMITH, 2004 (Type)
Genus: Myllokunmingia SHU, ZHANG & HANG, in SHU, LUO, MORRIS, ZHANG, HU,
HAU, ZHU, LI & CHEN, 1999
= Haikouichthys LUO, HU & SHU, in SHU, LUO, MORRIS, ZHANG, HU, HAU, ZHU,
LI & CHEN, 1999
M. fengjiaoa SHU, ZHANG & HANG, in SHU, LUO, MORRIS, ZHANG, HU, HAU, ZHU,
LI & CHEN, 1999 (Type)
= Haikouichthys ercaicunensis LUO, HU & SHU, in SHU, LUO, MORRIS, ZHANG,
HU, HAU, ZHU, LI & CHEN, 1999
SUPERCLASS: GNATHOSTOMATA GEGENBAUR, 1874
CLASS, ORDER, FAMILY GENUS AND SPECIES INDET
SUPERCLASS: AGNATHA COPE, 1892 (HAEKEL, 1895)
CLASS, ORDER AND FAMILY INCERTAE SEDIS
= ORDER: ANASPIDI JAEKEL, 1911
INCERTAE SEDIS
Genus: Anatolepis BOCKELI & FORTEY, 1976
A. heintzi BOCKELI & FORTEY, 1976 (Type)
Genus: Dictyorhabdus WALCOTT, 1892
D. priscus WALCOTT, 1892 (Type)
Genus: Gyropeltus ROHON, 1893 (nomen dubium)
G. lahuseni ROHON, 1893 (Type)
Genus: Muzaffarabadmachli MALKANI, 2021b
M. abbottabadi MALKANI, 2021b (Type)
Genus: Pircanchaspis ERDTMANN, WEBER, SCHULTZE & EGENHOFF, 2000
P. rinconensis ERDTMANN, WEBER, SCHULTZE & EGENHOFF, 2000 (Type)
ORDER: ASTRASPIDIFORMES BERG, 1940
Family: ASTRASPIDIDAE Eastman, 1917
Genus: Astraspis WALCOTT, 1892
A. desiderata WALCOTT, 1892 (Type)
A. sp
Genus: Pycnaspis ØRVIG, 1958
P. splendens ØRVIG, 1958 (Type)
CLASS: OSTRACODERMI COPE, 1889
= CLASS: DIPLORHINA HAEKEL, 1895
= CLASS: PTERASPIDOMORPHI GOODRICH, 1909
= CLASS: OSTRACOPHORI COPE, 1891
= GROUP 1: HOLARICHENIA ROHON, 1900
= CLASS: MALACOSTOM JAEKEL, 1911
= SUBCLASS: PALAEOSTRACI JAEKEL, 1911
ORDER: HAOINASPIDIFORMES GUO, WANG, GAI, ZHAO, DING & LI, 2020
Family: HAOINASPIDIDAE Guo, Wang, Gai, Zhao, Ding & Li, 2020
Genus: Haoina GUO, WANG, GAI, ZHAO, DING & LI, 2020
H. elegantia GUO, WANG, GAI, ZHAO, DING & LI, 2020 (Type)
ORDER: TESAKOVIASPIDIDA KARATAJUTE-TALIMAA & SMITH, 2004
Family: TESAKOVIASPIDIDAE Karatajute-Talimaa & Smith, 2004
Genus: Tesakoviaspis KARATAJUTE-TALIMAA, 1978
T. concentrica KARATAJUTE-TALIMAA, 1978 (Type)
SUBCLASS: HETEROSTRACI LANKESTER, 1868
= SUBCLASS: PTERASPIDES
= SUBCLASS: OSTEOSTRACI DEAN 1900
Incertae sedis
Genus: Aporemaspis ELLIOTT & LOEFFLER, 1989
A. pholidata ELLIOTT & LOEFFLER, 1989 (Type)
ORDER: ARANDASPIDIFORMES RITCHIE & GILBERT-TOMLINSON, 1977
Family: ARANDASPIDIDAE Ritchie & Gilbert-Tomlinson, 1977
Genus: Andinaspis GAGNIER, 1991
A. suarezorum GAGNIER, 1991 (Type)
A. priontoleips RITICHIE & GILBERT-TOMLINSON, 1977
Genus: Arandaspis RITCHIE & GILBERT-TOMLINSON, 1977
A. prionotolepis RITCHIE & GILBERT-TOMLINSON, 1977 (Type)
A. sp
Genus: Sacabambaspis GAGNIER, BLIECK & RODRIGO, 1986
S. janvieri GAGNIER, BLIECK & RODRIGO, 1986 (Type)
S. sp
Genus: Turinagondwana
ORDER: ASTRASPIDOFORMES BERG, 1937
= ORDER: ERIPTYCHIIFORMES EMEND TARLO, 1962
= ERIPTYCHIIDAE Orvig, 1958
= ERIPTYCHIDA STENSIO, 1958
= SUBORDER: TESSERASPIDIDA TARLO, 1962
Family: ASERASPIDIDAE Halstead, 1993
Genus: Aseraspis DINELEY & LOEFFLER, 1976
A. canadensis DINELEY & LOEFFLER, 1976 (Type)
Family: ERIPTYCHIIDAE Tarlo, 1962
Genus: Eriptychius WALCOTT, 1892
E. americanus WALCOTT, 1892 (Type)
E. orvigi DEINSON, 1967
E. leipnitzae SCHALLREUTER, 1983
Genus: Rohonodus SCHALLREUTER, 1983
R. vastorfensis SCHALLREUTER, 1983 (Type)
Genus: Nova? SCHALLREUTER, 1983
Family: POROPHORASPIDAE Halstead, 1993
Genus: Porophoraspis RITCHIE & GILBERT-TOMLINSON, 1977
P. crenulata RITCHIE & GILBERT-TOMLINSON, 1977 (Type)
P. sp
Family: LEPIDASPIDIDAE Halstead, 1993
Genus: Lepidaspis DINELEY & LOEFFLER, 1976
L. serrata DINELEY & LOEFFLER, 1976 (Type)
L. sp
Family: ONISCOLEPIDIDAE Märss & Karatajute-Talimaa, 2009
Genus: Oniscolepis PANDER,
1856
O. dentate PANDER, 1856 (Type)
= Oniscolepis serratus PANDER, 1856
= Oniscolepis crenulatus PANDER, 1856
= Strosipherus indentatus PANDER, 1856
= Strosipherus serratus PANDER, 1856
= Strosipherus laevis PANDER 1856
Family: TESSERASPIDIDAE Berg, 1940
Genus: Kallostrakon LANKESTER, 1870
K. podura LANKESTER, 1870 (Type)
K. macanuffi HALSTEAD TARLO, 1964
K. grindrodi HALSTEAD TARLO, 1964
K. alleni HALSTEAD TARLO, 1964
Genus: Tesseraspis WILLS, 1935
T. mutabilis (BROTZEN, 1934) HALSTEAD TARLO, 1964
= Lophosteus mutabilis BROTZEN, 1934
= Lophaspis crenulata BROTZEN, 1947
T. tessellata WILLS, 1935 (Type)
T. toombsi HALSTEAD TARLO, 1964
T. orvigi HALSTEAD TARLO, 1964
T. denisoni HALSTEAD TARLO, 1964
T. talimaae HALSTEAD TARLO, 1965
ORDER: CYATHASPIDFORMES KIAER & HEINTZ, 1935
= ORDER: CYATHASPIDA KIER, 1930
= ORDER: CYATHASPIDIDA TARLO, 1962
= SUBORDER: CYATHSPIDFORMES
SUBORDER: CYATHASPIDIDAE KIAER, 1930 EMEND TARLO, 1962
= CTENASPIDIDA ZYCH, 1932
= CTENASPINAE DENISON, 1953
= CYATHASPIDEI KAIER, 1930
= CYATHASPIDAE KAIER, 1932 EMEND. WHITE, 1935
= CYATHASPJIDOIDEI BERG, 1940
= CYATHASPINAE ZYCH, 1931
= PORASPIDEI KIAER, 1930
= PALAESPIDAE WHITE, 1935
= PALAESPINAE ZYCH, 1931
= PORASPIDOIDEI BERG, 1940
= PORASPINAE DENISON, 1953
Family: CYATHASPIDIDAE Kiaer, 1932
= Family: PORASPIDIDAE Kiaer, 1932
= Family: TOLYPELEPIDIDAE Strand, 1934
= Family: IRREGULAREASPIDIDAE Denison, 1964
= Family: CTENASPIDIDAE Kiaer, 1930
= Family: TORPEDASPIDIDAE Halstead, 1993
= Family: CORVASPIDIDAE Dineley, 1953
Subfamily: ARCHEGONASPIDINAE Marss, 2019
Genus: Archegonaspis JAEKEL, 1927
A. integer (KUNTH, 1872)
= Cyathaspis (Pteraspis) integer KUNTH, 1872
A. schmidti (GEINITZ, 1884)
= Cyathaspis schmidti GEINITZ, 1884
= Archegonaspis integer var schmidti (GEINITZ, 1884) KIAER, 1932
= Aequiarchegonaspis schmidti (GEINITZ, 1884) STENSIO, 1958
A. lindstromi KIAER, 1932
= Lauaspis lindstromi (KAIER, 1932) STENSIO, 1958
A. drummondi FLOWER & WAYLANDSMITH, 1952
A. bimaris NOVITSKAYA, 1970
A. bashkirica MARSS, 2019
= Cyathaspis sp indet OBRUCHEV, 1938
A. sp
Subfamily: CYATHASPIDINAE Denison, 1964
= Family: DINASPIDAE Kiaer, 1932
= Subfamily: TORPEDASPINAE emend Halstead, 1993
= Family: TORPEDASPIDAE Halstead, 1993
Genus: Ariaspis DENISON, 1963
A. ornata DENISON, 1963 (Type)
Genus: Cyathaspis LANKESTER, 1865
= Anatifopsis RUEDEMANN, 1916
C. banksii (HUXLEY & SALTER, 1856) LANKESTER, 1865 (Type)
= Pteraspis banksii HUXLEY & SALTER, 1856
C. arcadia (MATTHEW, 1888)
= Diplaspis arcadica MATTHEW, 1888
C. wardelli (RUEDEMANN, 1916)
= Anatifopsis wardelli RUEDEMANN, 1916
= Eoarchegonaspis wardelli (RUEDEMANN, 1916) KIAER, 1932 (nomen
nudum)
C. ingeni BRYANT, 1926
C. alexandari MARSS, 2019
C. sp
Genus: Dinaspidella STRAND, 1934 (nomen nudum)
= Dinaspis KIAER, 1932 non LEONARDI, 1911
D. robusta (KIAER, 1932) STRAND, 1934 (Type)
= Dinaspis robusta KIAER, 1932 (nomen nudum)
D. elizabethae DINELEY & LOEFFLER, 1976
D. sp
Genus: Listraspis DENISON, 1964
L. canadensis DENISON, 1964 (Type)
Genus: Pionaspis DENISON, 1964
P. acuticosta DENISON, 1964 (Type)
P. planicosta DENISON, 1964
P. amplissima DINELEY & LOEFFLER, 1976
Genus: Ptomaspis DENISON, 1963
P. canadensis DENISON, 1963 (Type)
Genus: Seretaspis STENSIO, 1958
S. zychi STENSIO, 1958 (Type)
S. miroshnikovi OBRUCHEV, 1964
Genus: Steinaspis OBRUCHEV, 1964
S. miroshnikovi OBRUCHEV, 1964 (Type)
Genus: Torpedaspis BROAD & DINELEY, 1973
T. elongata BROAD & DINELEY, 1973 (Type)
Genus: Vernonaspis FLOWER & WAYLAND-SMITH, 1952
V. allenae FLOWER & WAYLAND-SMITH, 1952 (Type)
V. leonardi FLOWER & WAYLAND-SMITH, 1952
V. bamberi DENISON, 1963
V. major DENISON, 1963
V. bryanti DENISON, 1964
V. sekwiae DENISON, 1964
V. tortucosta DINELEY & LOEFLER, 1976
V. sp
Subfamily: ANGLASPIDIANE Kiaer, 1932
= Family: Anglaspididae Kiaer, 1932
Genus: Anglaspis JAEKEL, 1972
A. macculloughi (WOODWARD, 1891) JAEKEL, 1927 (Type)
= Cyathaspis macculloughi WOODWARD, 1891
A. insignis WILLIS, 1936 (ex KIAER, 1932)
= Anglaspis insignis KIAER, 1932 (nomen nudum)
= Anglaspis poatostriata KIAER, 1932 (nomen nudum)
A. expatriata DENISON, 1964
A. heintz BLIECK & HEINTZ, 1972 (ex KIAER, 1932)
= Anglaspis heintzi KIAER, 1932 (nomen nudum)
A. elongate BLIECK & HEINTZ, 1972 (ex KAIER,1932)
= Anglaspis elongata KIER, 1932 (nomen nudum)
A. sp
Genus: Liliaspis NOVITSKAYA,
1972
L. philippovae NOVITSKAYA, 1972 (Type)
Genus: Paraliliaspis NOVITSKAYA & KARATAJUTE-TAILMAA, 1995
P. egregia NOVITSKAYA & KARATAJUTE-TAILMAA, 1995 (Type)
Subfamily: BOOTHIASPIDINAE Elliott, 2016
Genus: Alainaspis ELLIOTT & DINELEY, 1985
A. platyrhina ELLIOTT & DINELEY, 1985 (Type)
Genus: Boothiaspis BROAD, 1973
B. alata BROAD, 1973 (Type)
B. angusta BROAD, 1973
B. ovata BROAD, 1973
Genus: Phyllonaspis ELLIOTT, 2016
P. laevis ELLIOTT, 2016 (Type)
P. serratus ELLIOTT, 2016
P. taphensis ELLIOTT, 2016
Subfamily: AMERICASPIDINAE Elliott, Lassiter & Blieck, 2021
Genus: Americanaspis WHITELY, 1940
= Palaeaspis CLAYPOLE, 1885 non GRAY
A. americana (CLAYPOLE, 1885) WHITELY, 1940 (Type)
= Palaespis americana CLAYPOLE, 1885
= Palaeaspis bitruncata CLAYPOLE, 1884
= Palaeaspis elliptica CLAYPOLE, 1885
A. claypolei DENISON, 1964
A. sp
Subfamily: IRREGULAREASPINAE emend Denison, 1964
Genus: Dikenaspis DEINSON, 1963
D. yukonensis DEINSON, 1963 (Type)
Genus: Irregularaspis ZYCH, 1931
= Dictyaspis KIAER, 1932 non
= Dictyaspidella STRAND, 1934
I. stensioei ZYCH, 1931 emend BLIECK & HEINTZ, 1972 (Type)
= Irregulareaspis stensiöi ZYCH, 1931
Note: As per Blieck & Heintz, 1972…emended as I. stensioei Zynch (I. stensiöi emend. Brotzen (1936:6) and I. stensioi emend Denison (1964: 402) and Obruchev (1964: 58) are ‘unjustified emendations’ of the original spelling of the species name (ICZN art. 32 c(i) and 33)…
I. hoeli (KIAER, 1932)
I. mirabilis BLIECK & HEINTZ, 1972
I. seretensis NOVITSKYAYA, 1983
I. skalskiensis NOVITSKAYA, 1983
I. sp
Genus: Nahanniaspis DINELEY & LOEFFLER, 1976
N. mackenziei DINELEY & LOEFFLER, 1976 (Type)
Subfamily: PORASPIDINAE Deinson, 1964
Genus: Allocryptaspis WHITELY, 1940
A. elliptica (BYRANT, 1934) WHITELY, 1940 (Type)
= Cryptaspis elliptica BYRANT, 1934
A. utahensis DENISON, 1953
A. laticostatus DENISON, 1960
A. sandbergi ELLIOT, REED & LOEFFLER, 2004
Genus: Faberaspis ELLIOTT, LASSITER & BLIECK, 2018
F. elgae ELLIOTT, LASSITER & BLIECK, 2018 (Type)
Genus: Homalaspidella STRAND, 1934
= Homalaspis KIAER, 1932 non REINHART, 1860
= Homaspis KIAER & HEINTZ, 1935 non FOERSTER, 1868 or SKUSE, 1888
H. nitida (KIAER, 1932) STRAND, 1934 (Type)
= Homalaspis nitida KIAER, 1932
H. borealis DENISON, 1963
H. sp
Genus: Lechriaspis ELLIOTT & PETRIELLO, 2011
L. patula ELLIOTT & PETRIELLO, 2011 (Type)
Genus: Poraspis KIAER, 1930
= Holaspis LANKESTER, 1873 non GRAY, 1863
P. sericea (LANKESTER, 1873) KIAER, 1930 (Type)
= Holaspis sericeus LANKESTER, 1873
P. sturi (ALTH, 1874)
= Cyathaspis sturi ALTH, 1874
P. polaris KIAER, 1930
P. pompeckji (BROTZEN, 1933) KIAER & HEINTZ, 1935
= Palaeaspis pompeckji BROTZEN, 1933
P. brevis KIAER, 1932
P. cylindrica KIAER & HEINTZ, 1935
P. magna KIAER & HEINTZ, 1933
P. rostrata KIAER & HEINTZ, 1935 (ex KIAER, 1932)
P. simplex (BROTZEN, 1933) KIAER & HEINTZ, 1935
= Palaeaspis simplex BROTZEN, 1933
P. teres (NOVITSKAYA, 1970)
= Palaeaspis teres NOVITSKAYA, 1970
P. heintzae ELLIOTT, LOEFFLER & LIU, 1988
P. cracens ELLIOTT, LOEFFLER & LIU, 1988
= Porasapis cf. P. polaris BROAD, 1973
P. thules ELLIOTT, LOEFFLER & LIU, 1988
= Poraspis cf. P. polaris BROAD & DINELEY, 1973
P. parmula ELLIOTT, LOEFFLER & LIU, 1988
= Poraspis cf. P. intermedia BORAD & DINELEY, 1973
P. thomasi ELLIOTT & PETRIELLO, 2011
P. sp
Subfamily: TOLYPELEPIDINAE Strand, 1934
= Family: TOLYPELEPIDIDAE Strand, 1934
= TOLYPELEPIDIDA DENISON, 1964
Genus: Asketaspis DINELEY & LOEFFLER, 1976
A. interstincia DINELEY & LOEFLER, 1976 (Type)
Genus: Athenaegis SOEHN & WILSON, 1990
A. chattertoni SOEHN & WILSON, 1990 (Type)
Genus: Tolypelepis PANDER, 1856
= Tolypaspis SCHMIDT
T. undulata PANDER, 1856 (Type)
= Oniscolepis magnus PANDER, 1856
T. timanica KOSSOVOY & OBRUCHEV, 1962
T. lenzi DINELEY & LOEFFLER, 1976
T. bedovensis MARSS, 2019
T. nova THORSTEINSSON, 1958
T. sp
Subfamily: CTENASPINAE emend Kiaer, 1932
= Family: CTENASPIDAE Kiaer, 1932
Genus: Ctenaspis KIAER, 1930
C. dentata KIAER, 1930 (Type)
C. cancellata KIAER, 1930
C. kiaeri ZYCH, 1931
C. obruchevi DINELEY, 1976
C. russelli DINELEY, 1976
C. ornata DINELEY, 1976
C. sp
Subfamily: CORVASPIDINAE Dineley, 1953
Genus: Corvaspis WOODWARD, 1934
C. kingi WOODWARD, 1934 (Type)
C. graticulata DINELEY, 1953
C. karatajuteae HALSTEAD TARLO, 1965
C. arctica LOEFFIER & DINELEY, 1976
C. sp
Genus: Corvelolepis BLIECK & KARATAJUTE-TALIMAA, 2001
C. elgae BLIECK & KARATAJUTE-TALIMAA, 2001 (Type)
= Corvaspis KURIK et al, 1982 (p. 69)
= Corvaspis cf. kingi WOODW.[sic], KARATAJUTE-TALIMAA, 1983 (p. 22)
= Corvaspis sp. nov., KARATAJUTE-TALIMAA et al, 1986 (p. 255)
= Coravaspis sp.cf. kingi KARATAJUTE-TALIMAA & BLIECK, 1999 (p. 129, table
20)
= Corvaspis sp. cf. C. kingi BLIECK & KARATAJUTE-TALIMAA (in press)
ORDER: PTERASPIDIFORMES BERG, 1940
= PTERASPIDOMORPHI
= ORDER: PTERICHTHYI JAEKEL, 1911
Incertae sedis
Genus: Aserotaspis DINELEY & LOEFFIER, 1976
A. canadensis DINELEY & LOEFFIER, 1976 (Type)
Genus: Natalaspis DINELEY & LOEFFIER, 1976
N. planicosta DINELEY & LOEFFIER, 1976 (Type)
N. adunata DINELEY & LOEFFLER, 1976
SUBORDER: PTERASPIDIDA KIAER, 1932 EMEND TARLO, 1962
Family: PENYGASPIDIDAE Halstead, 1993
Genus: Penygaspis STENSIO, 1958
P. dixoni (WHITE, 1938) STENSIO, 1958 (Type)
= Pteraspis dixoni WHITE, 1938
Family: ANCHIPTERASPIDIDAE Elliott, 1984
Genus: Anchipteraspis ELLIOTT, 1984
A. crenulata ELLIOTT, 1984 (Type)
Genus: Ulititaspis ELLIOTT, 1984
U. aquilonia ELLIOTT, 1984 (Type)
Family: PROTASPIDIDAE Janvier, 1996
Genus: Protaspis BRYANT, 1933
P. bucheri BRYANT, 1933 (Type)
= Pteraspis bucheri BRYANT, 1932
P. dorfi BYRANT, 1933
= Pteraspis dorfi BYRANT, 1932
P. brevirostris BRYANT, 1933
P. nanus BRYANT, 1933
P. amplus BRYANT, 1933
P. perlatus BRYANT, 1933
P. perryi BRYANT, 1933
P. cingulus BRYANT, 1933
P. constrictus BRYANT, 1933
P. tenuistriatus DENISON, 1953
P. erroli DENISON, 1967
= Protaspis (Protaspis) erroli DENISON, 1967
P. mcgrewi DENISON, 1970
P. brevispina DENISON, 1970
P. transversa DENISON, 1970
Genus: Xylaspis PERNEGRE, 2004
= Spitsbergaspis PERNEGRE, 2003 non PRIBYL & VANEK, 1980
X. prima (PERNEGRE, 2003) PERNEGRE, 2004 (Type)
= Spitsbergaspis prima PERNEGRE, 2003
Family: PTERASPIDIDAE Claypole, 1885 (Woodward, 1891)
Genus: Cosmaspis DENISON, 1970
C. transversa DENISON, 1970 (Type)
Genus: Cyrtaspidichthys WHITLEY, 1940
C. ovata (BYRANT, 1932) WHITLEY, 1940 (Type)
= Protaspis ovata BYRANT, 1932
C? sculpta (BYRANT, 1932) WHITLEY, 1940
= Protaspis sculpta BYRANT, 1932
Genus: Gigantaspis HEINTZ, 1962
G. isachseni HEINTZ, 1962 (Type)
G. bocki HEINTZ, 1962
G. laticephala (BLIECK & GOUJET, 1983) PERNEGRE & GOUJET, 2007
= Zascinaspis laticephala BLIECK & GOUJET, 1983
G. minima PERNEGRE & GOUJET, 2007
Genus: Helaspis ELLIOTT, DINELEY & JOHNSON, 2000
H. finis ELLIOTT, DINELEY & JOHNSON, 2000 (Type)
H. sp
Genus: Miltaspis BLIECK, 1981
M. anatirostrata (BLIECK, 1975) BLIECK, 1981 (Type)
= Althaspis anatirostra BLIECK, 1975
M? spathulirostrata (STENSIO, 1958) BLIECK, 1981
= Pseudopteraspis? spathulirostris STENSIO, 1958
= Althaspis? spathulirostris (STENSIO, 1958), STENSIO, 1964
Genus: Mitraspis ELLIOTT, SCHULTZE & BLIECK, 2015
M. cracens ELLIOTT, SCHULTZE & BLIECK, 2015 (Type)
Genus: Rodenaspis BLEICK, 1984
R. brevispina (DENISON, 1970) BLEICK, 1984 (Type)
= Protaspis (Protaspis) brevispina DENISON, 1970
Genus: Woodfjordaspis PERNEGRE, 2006
W. felixi PERNEGRE, 2006 (Type)
Subfamily: PTERASPIDINAE Denison, 1970
Genus: Althaspis ZYCH, 1931
= Cymripteraspis WHITE, 1960
= Lerichaspis ZYCH, 1931
= Pseudopteraspis STENSIO, 1958
A. elongata (ALTH 1874?) ZYCH, 1931
= Scaphaspis elongatus ALTH, 1874?
= Pteraspis sturi mut. elongata ZYCH, 1927
= Podolaspis (Althaspis) elongata (ALTH, 1874 ?) ZYNCH, 1931
= Pteraspis elongata (ALTH, 1874 ?) BROTZEN, 1933
= Rhinopteraspis elongata (ALTH, 1874 ?) BROTZEN, 1936
= Pseudopteraspis elongata (ALTH, 1874?) STENSIO, 1958
= Pteraspis (Althaspis) elongata (ALTH, 1874?) WHITE, 1960
= Pseudopteraspis kujdonowiensis STENSIO, 1958
= Althaspis kujdanowiensis (STENSIO, 1958)
= Althaspis samsonwiczi TARLO, 1961
= Podolaspis (Lericheaspis) longirostrata ZYCH, 1931
= Pteraspis lerichi sp. n., mut. longirostra mut. Nov., ZYCH, 1927
= Pteraspis longirostrata (ZYCH, 1931) BROTZEN, 1933
A. leachi WHITE, 1934
= Pteraspis (Cymripteraspis) leachi (WHITE, 1934) WHITE, 1960
A.
whitei (DENISON, 1955) DENISON, 1970
= Pteraspis whitei DENISON, 1955
= Pteraspis (Simopteraspis) whitei DENISON, 1955
= Canadapteraspis whitei (DEINSON, 1955) DINELEY & LOEFFLER, 1976
A. vimiensis (WHITE, 1960)
= Pteraspis (Althaspis) vimiensis WHITE, 1960
A. senniensis LOEFFLER & THOMAS, 1980
A. sapovensis (BROTZEN, 1933) NOVITSKAYA, 1986
= Pteraspis sapovensis BROTZEN, 1933
Genus: Belgicaspis ZYCH, 1931
B. crouchi (LANKESTER, 1868) ZYCH, 1931 (Type)
= Pteraspis crouchi LANKESTER, 1868
= Pteraspis subgenus Belicaspis crouchi (LANKESTER, 1868) ZYCH, 1931
= Scaphaspsi recturs LANKESTER, 1868
= Pteraspis crouchi LANKESETR, 1868
B. var. maatockensis
Genus: Bleckaspis SCHULTZE & ILYKES, 1996
B. priscillae (DENISON, 1953) SCHULTZE & ILYKES, 1996 (Type)
= Protaspis (Protoaspis) priscallae DENISON, 1953
= Pteraspis priscallae (DENISON 1953) DENISON, 1970
= Errivaspis? priscillae (DENISON, 1953) BLIECK, 1984
Genus: Canadapteraspis DINELEY & LOEFFLER, 1976
C. alocostomata DINELEY & LOEFFLER, 1976 (Type)
C. thymostomata DINELEY & LOEFFLER, 1976
C. helostomata DINELEY & LOEFFLER, 1976
C. sp
Genus: Cryptaspis BRYANT, 1934
C. ellipticus BRYANT, 1934 (Type)
C. flabelliformis BRYANT, 1936
C. sp
Genus: Cyrtaspis BRYANT, 1932
C. ovatus BRYANT, 1932 (Type)
C. papillatus BRYANT, 1933
C. sculptus BRYANT, 1933
C. falcatus BRYANT, 1933
Genus: Dnestraspis NOVITSKAYA, 1983
D. firma NOVITSKAYA, 1983 (Type)
Genus: Errivaspis BLEICK, 1984
E. waynensis (WHITE, 1935) BLEICK, 1984 (Type)
= Pteraspis rostrata var waynensis WHITE, 1935
= Pteraspis rostrata var toombsi WHITE, 1938
E. depressa (STENSIO, 1958) BLEICK, 1984
= Plesiopteraspis? depressa STENSIO, 1958
= Pteraspis depressa (STENSIO, 1958) NOVITSKAYA, 1975
E. magnipinealis (BROTZEN, 1933) BLEICK, 1984
= Pteraspis magnipinealis BROTZEN, 1933
= Zascinaspis magnipinealis OBRUCHEV & KARATAJUTE-TALIMAA, 1967
= Pteraspis major (ZYCH) BALABAI, 1959
Genus: Escharaspis ELLIOTT, 1983
E. alata ELLIOTT, 1983 (Type)
Genus: Europrotaspis WHITE, 1961
E. rotunda (GROSS, 1933)?
E? wiheriesiensis (BROTZEN, 1936)
E. crenulata (WHITE, 1961)
= Protaspis (Europrotaspis) crenulata WHITE, 1961
E. arnelli (BROTZEN, 1936)
= Protaspis arnelli BROTZEN, 1936
= Protaspis (Europrotaspis) arnelli (BROTZEN, 1936) WHITE, 1961
= Glossiodiaspis arnelli (BROTZEN, 1936) OBRUCHEV, 1964
Genus Lamiaspis ILYES & ELLIOTT, 1994
L. longirpa ILYES & ELLIOTT, 1994 (Type)
Genus: Lampraspis DENISON, 1970
L. tuberculata DENISON, 1970 (Type)
Genus: Loricopteraspis TARLO, 1961
= Brotzenaspis STENSIO, 1958
L. althi (STENSO, 1958) TARLO, 1961 (Type)
= Pteraspis althi STENSO, 1958
= Althaspis althi (STENSIO, 1958) DENISON, 1970
= Brotzenaspis pteraspidoides STENSIO, 1958
= Althaspis pteraspidoides (STENSIO, 1958) DENISON, 1970
L. dairydinglensis (WHITE, 1957) BLIECK, 1984
= Pteraspis (Pteraspis) dairydinglensis WHITE, 1957
Genus: Mylopteraspis STENSIO, 1958
M. robusta STENSIO, 1958 (Type)
Genus: Mylopteraspidella BLEICK, 1984
= Mylopteraspis STENSIO, 1958 (partim)
M. gracilis (STENSIO, 1958) BLIECK, 1984 (Type)
= Mylopteraspis gracilis STENSIO, 1958
Genus: Oreaspis DEINSON, 1970
O. ampla (BYRANT, 1933)
O? tenuistriata (DENISON, 1953)
O. dunklei DENISON, 1970 (Type)
O. williamsi DENISON, 1970
Genus: Panamitaspis ELLIOTT & ILYES, 1996
P. snowi ELLIOTT & ILYES, 1996 (Type)
Genus: Parapteraspis STENSIO, 1958
P. jackana (WHITE, 1935) BLIECK, 1984
= Pteraspis jackana WHITE, 1935
P. gracilis STENSIO, 1958 (Type)
P. plana STENSIO, 1958
P. lata (STENSIO, 1958)
= Plesiopteraspis? lata STENSIO, 1958
= Podolaspis? lata (STENSIO, 1958) NOVITSKAYA, 1975
P. djuriensis BLIECK, 1984
= Parapteraspis plana (BROTZEN) STENSIO, 1958
Genus: Pirumaspis ILYES & ELLIOTT, 1994
P. lancasteri ILYES & ELLIOTT, 1994 (Type)
Genus: Podolaspis ZYCH, 1931
= Plesiopteraspis STENSIO, 1958
P. podolica (ALTH, 1874) ZYCH, 1931
= Pteraspis podolicus ALTH, 1874
= Scaphaspis haueri ALTH, ?1874
= Pteraspis kneri (LANK), SIEMIRADZKI, 1906
= Pteraspis lerichei sp. n. mut. rostrata ZYCH, 1927
P. lerichei (ZYCH, 1927) ZYCH, 1931 (Type)
= Pteraspis lerichei mut rostrata ZYCH, 1927
= Pteraspis major ALTH, ?1874
= Pteraspis angustatus ALTH, ?1874
= Pteraspis sturi ALTH, 1927
P. zychi (BROTZEN, 1933) NOVITSKAYA, 1975
= Pteraspis zychi BROTZEN, 1933
P. gracilis (STENSIO, 1958)
= Parapteraspis gracilis STENSIO, 1958
Genus: Protopteraspis LERICHE, 1924
= Simopteraspis WHITE, 1950
P. mitchelli (POWRIE, 1863) POWRIE, 1864
= Pteraspis mitchelli (POWRIE, 1863) POWRIE, 1864
P. gosseleti LERICHE, 1924 (Type)
= Pteraspis (Simopteraspis) gossleti (LERICHE, 1906) WHITE, 1950
= Pteraspis (Protopterasipis) gosseletti (LERICHE, 1924) SCHMIDT, 1959
P. pygmaea (KIAER, 1928) OBRUCHEV, 1964
= Pteraspis primaevus KIAER, 1928
= Pteraspis primaeva (KIAER, 1928) ZYCH, 1931
= Pteraspis (Simopteraspis) primaeva (KIAER, 1928) WHITE, 1950
= Simopteraspis primaeva (KIAER, 1928) STENSIO, 1958
P. vogti (KIAER, 1928) OBRUCHEV, 1964
= Pteraspis vogti KIAER, 1928
= Pteraspis (Simopteraspis) vogti WHITE, 1950
= Simopteraspis vogti STENSIO, 1958
P. leathensis (WHITE, 1935) FRIEND, WILLIAMS et al, 1978
= Pteraspis (Simopteraspis) leathensis (WHITE, 1935) WHITE, 1950
= Pteraspis (Protopteraspis) leathensis (WHITE, 1935) SCHMIDT, 1959
P. aquilonia BLIECK, 1981
P. silktokia ELLIOTT & DINELEY, 1983
P. sartokia ELLIOTT & DINELEY, 1983
P. (?) corniga ELLIOTT & DINELEY, 1983
P. (?) arctica ELLIOTT & DINELEY, 1983
Genus: Psephaspis ORVIG, 1961
P. williamsi ORVIG, 1961 (Type)
P. bystrowi HALSTEAD TARLO, 1964
P. idahoensis DENISON, 1968
Genus: Pteraspis KNER, 1847
= Parapteraspis STENSIO, 1958
= Scaphaspis LANKESTER, 1868
P. rostrata (AGASSIZ, 1835) KNER, 1847 (Type)
= Cephalaspis rostratus AGASSIZ, 1835
= Cephalaspis lewisii AGASSIZ, 1835
= Cephalaspis lloydii AGASSIZ, 1835
= Scaphaspis lloydii (AGASSIZ, 1835) LANKESTER, 1868
= Pteraspis rostratus (AGASSIZ, 1835) LANKESTER, 1868
= Pteraspis rostrata var. virgoi WHITE, 1935
= Pteraspis rostrata var. trimpleyensis WHITE, 1935
= Pteraspis (Pteraspis)var. trimpleyensis (AGASSIZ, 1835) WHITE, 1956
= Pteraspis (Pteraspis) rostrata (AGASSIZ, 1835) WHITE, 1956
P. truncatus HUXLEY & SALTER, 1856
P. banksii HUXLEY & SALTER, 1856
P. dewalquei FRAIPONT, 1907-1908
P. major ZYCH, 1927
P. wiheriensis (BROTZEN, 1936) LERICHE, 1947
= Protaspis wiheriesiensis BROTZEN, 1936
= Europrotaspis? wiheriesiensis (BROTZEN, 1936)
= Pteraspis dunensis LEIRCHE, 1926 (partim)
= Pteraspis rotundata GROSS, 1933 (partim)
= Pteraspis (Cyrtaspis) wiheriensis (BROTZEN, 1936) LERICHE, 1947
P. priscillae (DENISON, 1953)
= Protaspis priscalle DENISON, 1953
P. carmani DENISON, 1960
Genus: Rhinopteraspis JAEKEL, 1919
R. cornubica (McCOY, 1851) TARLO, 1961 (Type)
= Steganodictyum cornubicum McCOY, 1851
= Scaphaspis cornubicus (McCOY, 1851) WOODWARD, 1868
= Pteraspid gen. indet. cornubicus (McCOY, 1851) WOODWARD, 1891
= Pteraspis cornubicus (McCOY, 1851) COLLINS, 1893
= Pteraspis (Steganodictyum) cornubica (McCOY, 1851) DEWEY, 1948
= Palaeoteuthis dunensis ROEMER, 1855
= Pteraspis dunensis (ROEMER, 1855) HUXLEY, 1861
= Pteraspid gen. indet dunensis (ROEMER, 1855) WOODWARD, 1891
= Rhinopteraspis dunensis (ROEMER, 1855) JAEKEL, 1919
= Scaphaspis dunensis (ROEMER, 1855) LANKESTER, 1868-1870
= Pteraspis (Rhinopteraspis) dunensis (ROEMER, 1855) WHITE, 1938
= Pteraspis (Archaeoteuthis) dunensis (ROEMER, 1855) WANGSJO, 1952
R. crouchi (LANKESTER, 1868)
= Pteraspis crouchii (Salter, MS) LANKESTER, 1868
R. sanctacrucensis BLEICK, 1980
Genus: Stegobranchiaspis ELLIOTT, 1983
S. baringensis ELLIOTT, 1983 (Type)
S. baringensis falcata ELLIOTT, 1983
Genus: Tuberculaspis IYLES & ELLIOTT, 1994
T. elyensis IYLES & ELLIOTT, 1994 (Type)
Genus: Unarkaspis ELLIOTT, 1983
U. schultzei ELLIOTT, 1983 (Type)
Family: LARNOVASPIDIDAE Novitskaya 1986
Genus: Brachipteraspis BROTZEN, 1936
B. latissima (ZYCH, 1927) BROTZEN, 1936 (Type)
= Pteraspis latissima ZYCH, 1927
= Pteraspis lerichei sp. n., mut. latissima mut n. ZYCH, 1927
= Pteraspis lerichei sp. n. mut. lata mut, n. ZYCH, 1927
= Pteraspis sturi ALTH sp. , mu. lata mut . n. ZYCH, 1927
B. monmouthensis (WHITE, 1935) BLEICK, 1984
= Pteraspis rostrata WOODWARD, 1891
= Pteraspis rostrata var monmouthensis WHITE, 1935
= Pteraspis (Pteraspis) rostrata monmouthensis (WHITE, 1935) WHITE, 1956
= Pteraspis rostrata var monmouthensis (WHITE, 1935) WHITE, 1958
Genus: Djurniaspis NOVITSKAYA, 1983
D. prima NOVITSKAYA, 1983 (Type)
Genus: Larnovaspis BLIECK, 1984
L. kneri (LANKESTER, 1868) BLIECK, 1984
= Scaphaspis kneri LANKESTER, 1868
= Pteraspis kneri (LANKESTER, 1868) ALTH, 1874
L. major (ZYCH, 1927) BLIECK, 1984
= Pteraspis lerichei sp. n. mut. major, ZYCH, 1927
L. iwaniensis (BROTZEN, 1933)
= Pteraspis iwaniensis BROTZEN, 1933
L. stensioi (WHITE, 1935) BLIECK, 1984 (Type)
= Pterapsis stensioi WHITE, 1935
L. depressa (STENSIO, 1958)
= Plesiopteraspis? depressa STENSIO, 1958
L? brotzeni (STENSIO, 1958) BLEICK, 1984
= Pteraspis brotzeni STENSIO, 1958
= Pteraspis dobrowlanyensis STENSIO, 1958
L. goujeti (BLIECK, 1982) BLEICK, 1984
= Podolaspis goujeti BLEICK, 1982
L. mogielnensis BLIECK, 1984
= Pteraspis sturi ALTH sp., mut. major mut. n. (non Pteraspis major ALTH), ZYCH, 1927
= Pteraspis lerichei sp. n. mut. major mut. n. (non Pteraspis major ALTH), ZYCH, 1927
Genus: Zascinaspis STENSIO, 1958
Z. heintzi (BROTZEN, 1936) STENSIO, 1958 (Type)
= Pteraspsi magnipienalis BROTZEN, 1936)
= Brachipteraspis heintzi BROTZENI, 1936
= Brachipteaspis grossi BROTEZEN, 1936
= Zascinaspis obtusirostrata STENSIO, 1958
Z. bryanti (BROTZEN, 1936)
= Brachipteraspis (?) bryanti BROTZEN, 1936
SUBORDER: DORYASPIDIDA, HEINTZ, 1962
Family: DORYASPIDIDAE, Heintz, 1962
Genus: Doryaspis WHITE, 1935
= Ennosveaspis STENSIO, 1964
= Grumantaspis OBRUCHEV, 1964
= Scaphaspis LANKESTER, 1884
D. nathorsti (LANKESTER, 1884) WHITE, 1935 (Type)
= Scaphaspis nathorsti LANKESTER, 1884
= Pteraspis nathorsti (LANKESTER, 1884) WOODWARD, 1890
D. lyktensis (HEINTZ, 1960)
= Pteraspis lyktensis HEINTZ, 1960
D. minor (HEINTZ, 1960)
= Pteraspis minor HEINTZ, 1960
D. arctica PERNEGRE, (2002) 2003
D. gorenhorgensis PERNEGRE, 2005
ORDER: CARDIPELTIFORMES TARLO, 1962
= CARDIPELTIDA STENSIO, 1958
Family: CARDIPELTIDAE Bryant, 1933
Genus: Cardipeltis BRANSON & MEHL, 1931
C. wallacii BRANSON & MEHL, 1931 (Type)
= Cardipeltis sinclairi BRYANT, 1933
= Cardipeltis oblongus BYRANT, 1933
C. bryanti DENISON, 1966
C. richardsoni DENISON, 1966
C. sp
ORDER: TRAQUAIRASPIDIFORMES
= PHIALASPIDAE WHITE, 1946
= PHIALASPIFORMES BERG, 1955
= TRAQUAIRASPIDA STENSIO, 1958
Family: TRAQUAIRASPIDIDAE Kiaer, 1932
Genus: Traquairaspis KIAER, 1932
T. campbelli (TRAQUAIR, 1913) KIAER, 1932 (Type)
= Phialaspis pockocki var cowiensis WHITE, 1946
T. pococki (WHITE, 1946) Squirrell & Downing, 1969
T. symondsi (LANKESTER, ) Karatajute-Talimaa, 1983
T. angusta DEINSON, 1963
T. denisoni DINELEY, 1964
T? adunata DINELEY & Loeffler, 1976
T? guttata DINELEY & Loeffler, 1976
T? retusa DINELEY & Loeffler, 1976
T? pustulata DINELEY & Loeffler, 1976
T? broadi DINELEY & Loeffler, 1976
Family: PHIALASPIDIDAE White, 1946
Genus: Phialaspis WILLS, 1935
P. symondsi (LANKESTER, 1866) WILLS, 1935 (Type)
= Cyathaspis ( ?) symondsi LANKESTER, 1866
= Traquaraspis symondsi (LANKESTER, 1866) WHITE & TOOMBS, 1948
Family: WEIGELTASPIDIDAE Brotzen, 1933
Genus: Weigeltaspis BROTZEN, 1933
W. alta BROTZEN, 1933 (Type)
W. brotzeni HALSTEAD TARLO, 1964
W. godmani HALSTEAD TARLO, 1964
W. heintzi HALSTEAD TARLO, 1964
W. sp
Family: NATALASPIDIDAE Halstead, 1993
Genus: Lankesteraspis
L. mackenziensis (DINELEY & LOEFFLER, 1976)
= Traquairaspis? mackenziensis DINELEY & LOEFFLER, 1976
L. lemniscata (DINELEY & LOEFFLER, 1976)
= Traquairaspis? lemniscata DINELEY & LOEFFLER, 1976
L. poolei (DINELEY & LOEFFLER, 1976)
= Traquairaspis poolei DINELEY & LOEFFLER, 1976
ORDER: PSAMMOSTEIFORMES BERG, 1940
= DREPANASPIDA STENSIO, 1958
SUBORDER: PSAMMOSTEIDA KIAER, 1932
= PSAMMOSTEIDAE TRAQUAIR, 1896
Family: DREPANASPIDAE Traquair, 1899, emend WHITE, 1935
Genus: Drepanaspis SCHLUTER, 1887
D. carteri (McCOY, 1851) HALSTEAD TARLO, 1961
= Steganodictyum carteri McCOY, 1851
= Cephalaspis (?) carteri (McCOY, 1851) LANKESTER, 1870
= Cephalaspis carteri (McCOY, 1851) WOODWARD, 1891
= Pteraspis carteri (McCOY, 1851) COLLINS, 1893
D. gemundensis SCHLUTER, 1887 (Type)
D. schrieli GROSS, 1933
D. lipperti GROSS, 1937
D. jaegeri HALSTEAD TARLO, 1964
D. edwardsi HALSTEAD TARLO, 1964
Family: GUERICHOSTEIDAE Halstead Tarlo, 1964
Genus: Guerichosteus HALSTEAD TARLO, 1964
G. heterolepis (PREBRAJENSKY, 1911) BLINSKIY & PINAKHINA, 2018
= Psammosteus heterolepis PREOBRAJENSKY, 1911
= Schizosteus (?) heterolepis (PREBRAJENSKY, 1911) OBRUCHEV, 1940
= Schizosteus heterolepis (PREOBRAJENSKY, 1911) HALSTEAD TARLO, 1964
G. kozlowskii HALSTEAD TARLO, 1964 (Type)
G. kotanskii HALSTEAD TARLO, 1964
G. kulczyckii HALSTEAD TARLO, 1964
G. lefeldi HALSTEAD TARLO, 1964
G. toriensis MARK-KURIK, 1965
Genus: Hariosteus HALSTEAD TARLO, 1964
H. kielanae HALSTEAD TARLO, 1964 (Type)
H. lobanowskii HALSTEAD TARLO, 1964
Family: PSAMMOLEPIDIDAE Tarlo, 1962
Genus: Psammolepis AGASSIZ, 1845
P. paradoxa (AGASSIZ, 1844) AGASSIZ, 1845 (Type)
= Psammolepis paradoxus AGASSIZ, 1844
P. undulata undulata (AGASSIZ, 1844) AGASSIZ, 1845
= Placosteus undulates AGSSIZ, 1844
P. arctica (KIAER, 1915) HALSTEAD TARLO, 1964
= Psammosteus arcticus KAIER, 1915
P? granulata (McCOY, 1848) HALSTEAD TARLO, 1965
= Psammosteus granulatus McCOY, 1848
P. groenlandica HALSTEAD TARLO, 1964
P. proia MARK-KURIK, 1965
P. abavica MARK-KURIK, 1965
P. venyukovi OBRUCHEV, 1965
P. alta OBRUCHEV, 1965
P. aerate OBRUCHEV, 1965
Family: PYCNOSTIDAE Tarlo, 1962
Genus: Ganosteus ROHON, 1901
G. stellatus ROHON, 1901 (Type)
= Ganosteus tuberculatus GROSS, 1933
G. artus MARK-KURIK, 1965
G. obtusus MARK-KURIK, 1965
Genus: Pycnolepis HALSTEAD TARLO, 1964
P. splendens (EICHWALD, 1844) HALSTEAD TARLO, 1964 (Type)
= Chirolepis splendens EICHWALD, 1844
= Schizosteus (?) splendens (EICHWALD, 1844) OBRUCHEV, 1940
= Schizosteus splendens (EICHWALD, 1844) OBRUCHEV, 1958
= Cheirolepis unilateralis EICHWALD, 1844
= Microlepis lepidus EICHWALD, 1844
= Microlepis exillis EICHWALD, 1844
= Psammosteus arenatus AGASSIZ, 1845
= Psammosteus undulates AGASSIZ, 1845
= Psammosteus meandrinus AGASSIZ, 1845
Genus: Pycnosteus PREOBRAJENSKI, 1911
P. tuberculatus (ROHON, 1901) OBRUCHEV, 1940
= Ganosteus tuberculatus ROHON, 1901
P. palaeformis PREOBRAJENSKI, 1911
= Psammosteus imperfectus PREOBRAZHENSKY, 1911
= Schizosteus (?) imperfectus (PREOBRAZHENSKY, 1911) OBRUCHEV, 1940
= Pycnosteus imperfectus (PREOBRAZHENSKY, 1911) MARK, 1956
P. splendens (EICHWALD, 1844)
P. obruchevi HALSTEAD TARLO, 1964
P. nathorsti OBRUCHEV, 1965
P. pauli MARK-KURIK, 1965
Genus: Yoglinia OBRUCHEV, 1943
Y. bergi OBRUCHEV, 1943 (Type)
= Psammosteus bergi (OBRUCHEV, 1943) OBRUCHEV & MARK-KURIK, 1965
Family: PSAMMOSTEIDAE Traquair, 1896
Genus: Crenosteus HALSTEAD TARLO, 1964
C. levis OBRUCHEV, in HALSTEAD TARLO, 1964 (Type)
Genus: Oredezhosteus MOLOSHNIKOV, 2009a
O. livonicus (OBRUCHEV & MARK-KURIK, 1965) MOLOSHNIKOV, 2009a (Type)
= Psammosteus livonicus OBRUCHEV & MARK-KURIK, 1965
O. kuleshovi MOLOSHNIKOV, 2009a
Genus: Psarkosteus DEC, 2020
P. mediocris DEC, 2020 (Type)
Incertae sedis
Genus: Schizosteus OBRUCHEV, 1940
S. striatus (GROSS, 1933) OBRUCHEV, 1940
= Psammolepis striata GROSS, 1933
S. asatkini OBRUCHEV, 1940
S. wellsi HALSTEAD TARLO, 1964
S. shkurlatensis MOLOSHNIKOV, 2009b
Genus: Schizosteus non OBRUCHEV, 1940
S. perneri (RUZIKA, 1929) OBRUCHEV, 1940
= Psammosteus (Ganosteus) perneri RUZICKA, 1929
= Schizosteus (?) perneri (RUZICKA, 1940) OBRUCHEV, 1940
Genus: Tartuosteus OBRUCHEV, 1961
T. giganteus (GROSS, 1933) OBRUCHEV, 1961 (Type)
= Psammolepis gigantea GROSS, 1933
T. luhai MARK-KURIK, 1965
T. maximus MARK-KURIK, 1965
Subfamily: Incertae sedis
Genus: Vladimirolepis GLINSKIY, 2018
V. proia (MARK-KURIK, 1965) GLINSKIY, 2018 (Type)
= Psammolepis proia MARK-KURIK, 1965
Subfamily: PLACOSTEINAE Glinskiy, 2018
Genus: Placosteus AGASSIZ, 1845
= Placosteus AGASSIZ 1833-1843 (nomen nudum)
P. undulatus AGSSIZ, 1844 (Type)
= Psammolepis undulata undulata (AGASSIZ, 1844) AGASSIZ, 1845
= Psammolepis undulata (AGASSIZ, 1845) GROSS, 1933
P. alatus (MARK-KURIK, 1965) GLINSKIY, 2018
= Psammolepis alata OBRUCHEV, 1958 (nomen nudum)
= Pammolepis alata MARK-KURIK, 1965
Subfamily: PSAMMOSTENINAE Traquair, 1896
Genus: Elgaia GLINSKIY, 2018
E. luhai (MARK-KURIK, 1965) GLINSKIY, 2018 (Type)
= Tartuosteus luhai OBRUCHEV, 1958 (nomen nudum)
= Tartuosteus luhai MARK-KURIK, 1965
Genus: Karelosteus OBRUCHEV, 1933
K. weberi OBRUCHEV, 1933 (Type)
Genus: Psammosteus AGASSIZ, 1845
P. meandrinus AGASSIZ, 1845 (Type)
P. megalopteryx (TRAUTSCHOLD, 1880) GURICH, 1891
= Coccosteus megalopteryx TRAUTSCHOLD, 1880
= Psammosteus taylori TRAQUAIR, 1894
P. anglicus TRAQUAIR, 1898
P. falcatus GROSS, 1942
P. praecursor OBRUCHEV, 1947
P. markae TARLO, 1961
= Psamosteus paradoxus AGASSIZ, 1845
= Dyptchosteus tessellates PREOBRAJENSKY, 1911
= psammosteus tesselatus (PREOBRAJENSKY, 1911) EASTMAN, 1917
P. kiaeri HALSTEAD TARLO, 1964
P. pectinatus OBRUCHEV, 1965
P. asper OBRUCHEV, 1965
P. tchernovi OBRUCHEV, 1965
P. waltergrossi HALSTEAD TARLO, 1965
= Psammosteus grossi OBRUCHEV, 1947
= Psammosteus falcatus OBRUCHEV, 1965
P. ramosus GLINSKIY & NILOV, 2017
P. sp
Genus: Rohonosteus HALSTEAD TARLO, 1964
R. ornatus (ROHON, 1899) HALSTEAD TARLO, 1964 (Type)
= Psammosteus ornatus ROHON, 1899
= Psammolepis ornata (ROHON, 1899) GROSS, 1933
= Tartusteus (?) ornatus (ROHON, 1899) OBRUCHEV, 1961
R. complicatus (KIAER, 1915) HALSTEAD TARLO, 1964
= Psammosteus complicatus KIAER, 1915
Genus: Traquairosteus HALSTEAD TARLO, 1964
T. pustulatus (TRAQUAIR, 1897) HALSTEAD TARLO, 1964 (Type)
= Psammosteus pustulatus TRAQUAIR, 1897
= ?Traquairosteus ? falcatus (OBRUCHEV n GROSS, 1942
T? kiaeri (HALSTEADTATLO, 1964
T? pectinatus OBRUCHEV, 1965
T? ramosus GLINSKIY, 2017
Family: OBRUCHEVIIDAE Halstead Tarlo, 1965
Genus: Obruchevia WHITLEY, 1940
= Asphidophorus OBRUCHEV, 1935 non
O. heckeri (OBRUCHEV, 1935) WHITLEY, 1940 (Type)
= Aspidophorus heckeri OBRUCHEV, 1935
= Obruchevia (Aspidosteus) heckeri (OBRUCHEV, 1935) HALSTEAD TARLO, 1964
Genus: Perscheia ELLIOITT, MARK-KURIK, & DAESCHLER, 2009
P. pulla ELLIOITT, MARK-KURIK, & DAESCHLER, 2009 (Type)
Family: ASPIDOSTEIDAE Berg, 1955
Genus: Aspidosteus OBRUCHEV, 1941
A. heckeri OBRUCHEV, 1941 (Type)
ORDER: AMPHIASPIDIFORMES BERG, 1940
SUBORDER: AMPHIASPIDIDA OBRUCHEV, 1938
Family: AMPHIASPIDIDAE Obruchev, 1938
Genus: Amphiaspis OBRUCHEV, 1938
A. argos OBRUCHEV, 1938 (Type)
Genus: Amphoraspis NOVITSKAYA & KARATAJUTE-TALIMAA, 1989
A. stellata NOVITSKAYA & KARATAJUTE-TALIMAA, 1989 (Type)
Family: SIBERIASPIDIDAE Novitskaya, 1968
= Family: APHATASPIDIDAE Novitsakaya, 1971
Genus: Aphataspis OBRUCHEV, 1964
A. kiaeri OBRUCHEV, 1964 (Type)
Genus: Argyriaspis NOVISKAYA, 1971
A. tcherkesovae NOVISKAYA, 1971 (Type)
Genus: Putoranaspis OBRUCHEV, 1964
P. prima OBRUCHEV, 1964 (Type)
Genus: Siberaspis OBRUCHEV, 1964
S. plana OBRUCHEV, 1964 (Type)
Family: OLBIASPIDIDAE Obruchev, 1964
Genus: Kureykaspis NOVITKAYA, 1968
K. salebrosa NOVITKAYA, 1968 (Type)
Genus: Olbiaspis OBRUCHEV, 1964
O. coalasensis OBRUCHEV, 1964 (Type)
O. latissima NOVITSKAYA, 1986
Family: ANGARASPIDIDAE Halstead, 1993
Genus: Angaraspis OBRUCHEV, 1964
A. urvantzevi OBRUCHEV, 1964 (Type)
Family: GABREYASPIDIDAE Novitskaya, 1968
Genus: Gabreyaspis NOVITSKAYA, 1968
G. tarda NOVITSKAYA, 1968 (Type)
Genus: Prosarctaspis NOVITSKAYA, 1968
P. taimyrica NOVITSKAYA, 1968 (Type)
Genus: Tareyaspis NOVITSKAYA, 1968
T. venusta NOVITSKAYA, 1968 (Type)
Family: TUXERASPIDIDAE Novitskaya, 1968
Genus: Dotaspis NOVITSKAYA & HERMAN, 1983
D. antiqua NOVITSKAYA & HERMAN, 1983 (Type)
Genus: Litotaspis NOVITSKAYA, 1971
L. septentrionalis NOVITSKAYA, 1971 (Type)
Genus: Tuxeraspis NOVITSKAYA, 1971
T. varicostata NOVITSKAYA 1971 (Type)
SUBORDER: HIBERNASPIDIDA, OBRUCHEV
Family: HIBERNASPIDIDAE Obruchev, 1938
Genus: Edaphaspis NOVITSKAYA, 1968
E. bystrowi NOVITSKAYA, 1968 (Type)
Genus: Hibernaspis OBRUCHEV, 1938
H. macrolepis OBRUCHEV, 1938 (Type)
H. tenuicristata NOVITSKAYA, 1986
H. sp
SUBORDER: EGLONASPIDIDA TARLO, 1962
Family: EGLONASPIDIDAE Tarlo, 1962
Genus: Eglonaspis OBRUCHEV, 1959
E. rostrata OBRUCHEV, 1959 (Type)
Genus: Empedaspis NOVITSKAYA, 1971
E. inermis NOVITSKAYA, 1971(Type)
Genus: ?Gerronaspis NOVITSKAYA, 1971
G. ?dentata (OBRUCHEV, 1964) NOVITSKAYA, 1971 (Type)
= Putoranaspis dentata OBRUCHEV, 1964
G. elgamarkae (MARK-KURIK, 1974) HALSTEAD, 1993
Genus: Lecaniaspis NOVITSKAYA, 1971
L. lata NOVITSKAYA, 1971 (Type)
Genus: Pelurgaspis OBRUCHEV, 1964
P. macrorhyncha OBRUCHEV, 1964 (Type)
CLASS: MONORHINA HAECKEL, 1895
= CLASS: CEPHALASPIDOMORPHI KIAER, 1924
SUBCLASS: OSTEOSTRACI LANKESTER, 1868
= CEPHALASPIDES
ORDER: INCERTE SEDIS
Genus: Janaspis KEATING, SANSOM, & PURNELL, 2012
J. newtonensis KEATING, SANSOM, & PURNELL, 2012 (Type)
J. punctata KEATING, SANSOM, & PURNELL, 2012
Genus: Ungulaspis AFANASSIEVA & KARATAJUTE-TALIMAA, 1998
U. arctoa AFANASSIEVA & KARATAJUTE-TALIMAA, 1998 (Type)
ORDER: TREMATASPIDIFORMES HALSTEAD TARLO, 1967
= SUBORDER: TREMATASPIDOIDEI
= SUBORDER: ACERASPIDA STENSIO, 1958 (partim)
= SUBORDER: TANNUASPIDIDA HALSTEAD-TARLO, 1967
= SUBORDER: TREMATASPIDIDA HEINTZ, 1939
= SUBORDER: DIDYMASPIDIDA HALSTEAD-TARLO, 1939
Family: Incertae sedis
Genus: Rotsikullaspis ROBERTSON, 1938
R. obrutchevi ROBERTSON, 1938 (Type)
= Trematasps mickwitzi ROHON, 1892 (partim)
= ?Dictyolepis bronnii PANDER, 1856
= ?Dasylepis keyserlingii PANDER, 1856 (partim)
Genus: Septaspis AFANASSIEVA, 2000
S. pectinata AFANASSIEVA, 2000 (Type)
Genus: Waengsjoeaspis JANVIER, 1985
W. vogti (Stensiö, 1932) JANVIER, 1985
= Cephalaspis vogti Stensiö, 1932
W. acutirostris (Stensiö, 1927)
= Cephalaspis? acutirostris Stensiö, 1927
W. excellens (Wängsjö, 1952) JANVIER, 1985 (Type)
= Cephalaspis excellens Wängsjö, 1952
W. nahanniensis ADRIAN & WILSON, 1994
Family: TREMATASPIDAE Woodward, 1891
= Subfamily: TREMATASPIDINAE Woodward, 1891
Genus: Dobraspis MARK-KURIK & JANVIER, 1997
D. uralensis MARK-KURIK & JANVIER, 1997 (Type)
Genus: Mellitomalepis PANDER, 1856
M. elegans PANDER, 1856 (Type)
Genus: Odontolodus PANDER, 1856
O. rootsikillensis PANDER, 1856 (Type)
Genus: Stigmolepis PANDER, 1856
S. owenii PANDER, 1856 (Type)
Genus: Tremataspis SCHMIDT, 1866
T. simonsoni ROHON, 1892 (Type)
T. schmidtii ROHON, 1892
T. milleri PATTEN, 1931
T. mammillata PATTEN, 1931
= Tremataspis scalaris ROBERTSON, 1938
= Tremataspis panderi ROBERTSON, 1938
T. rohoni ROBERTSON, 1938
T. patteni ROBERTSON, 1938
T. obruchevi AFANASSIVA & KARATAJUTE-TALIMAA, 1998
T. sp
Subfamily: AESTIASPIDINAE Afanssieva, 1996
Genus: Aestiaspis JANVIER & LELIEVRE, 1994
A. viitaensis JANVIER & LELIEVRE, 1994 (Type)
Subfamily: DARTMUTHIINAE Robertson, 1935
= Family: DARTMUTHIIDAE Robertson, 1935
= Family: SAAREMAASPIDIDAE Stensio, 1958
Genus: Dartmuthia PATTEN, 1931
D. gemmifera PATTEN, 1931 (Type)
D. sp
Genus: Saaremaaspis ROBERTSON, 1938
S. mickwitzi (ROHON, 1892) ROBERTSON, 1938 (Type)
= Tremataspis mickwitzi ROHON, 1892
Subfamily: OESELASPIDINAE Robertson, 1935
= Family: OESELASPIDIDAE Robertson, 1935
Genus: Oeselaspis ROBERTSON, 1935
O. pustulata (PATTEN, 1931) ROBERTSON, 1935 (Type)
= Didymaspis pustulata PATTEN, 1931
O. sp
Subfamily: DIDYMASPIDINAE Berg, 1940
= Family: DIDYMASPIDIDAE Berg, 1940
Genus: Didymaspis LANKESTER, 1867
D. grindrodi LANKESTER, 1867 (Type)
Subfamily: TANNUASPIDINAE Obruchev, 1964
= Family: TANNUASPIDIDAE Obruchev, 1964
Genus: Ilemoraspis OBRUCHEV, 1961
I. kirkinskayae OBRUCHEV, 1961 (Type)
Genus: Tannuaspis OBRUCHEV, 1956
= Tannuapis AFANASSIEVA & JANVIER, 1985 (sic)
T. levenkoi OBRUCHEV, 1956 (Type)
Genus: Tuvaspis OBRUCHEV, 1956
T. margaritae OBRUCHEV, 1956 (Type)
Subfamily: TIMANASPIDINAE emend Halstead, 1993
= Family: TIMANASPIDIDAE Halstead, 1993
Genus: Timanspis OBRUCHEV, 1962
T. kossovoii OBRUCHEV, 1962 (Type)
Subfamily: TYRIASPIDINAE emend Halstead, 1993
= Family: TYRIASPIDIDAE Halstead, 1993
Genus: Tyriaspis HEINTZ, 1967
T. whitei HEINTZ, 1967 (Type)
ORDER: SCLERODONTIFORMES
= SUBORDER: SCLERODONTIDA HALSTEAD-TARLO, 1967
Family: SCLERODONTIDAE Fowler, 1947
Genus: Sclerodus AGASSIZ, 1839
= Auchenaspis EGERTON (in part) LANKESTER, 1870
= Eukeraspis LANKESTER; ZITTEL, 1887
S. pustuliferus AGASSIZ, 1839 (Type)
= Auchenaspis (Eukeraspis) pustulifera (AGASSIZ, 1839) LANKESTER, 1870
ORDER: THYESTIIFORMES
= SUBORDER: ACERASPIDA STENSIO, 1958 (partim)
= SUBORDER: THYESTIDA HALSTEAD-TARLO, 1967
Family: THYESTIIDAE Berg, 1940
Genus: Fieldingaspis LANKESTER, 1870
F. egertoni LANKESTER, 1870 (Type)
Genus: Thyestes EICHWALD, 1854
T. verrucosus EICHWALD, 1854 (Type)
T. sp
ORDER: ATELEASPIDIFORMES
= SUBORDER: ACERASPIDA STENSIO, 1958 (PARTIM)
= ORDER: CEPHALASPIDIFORMES HALSTEAD TARLO, 1967 (PARTIM)
= SUBORDER: ATELEASPIDIDA (ACERASPIDA) STENSIO, 1958
Family: ATELEASPIDIDAE Traquair, 1899
= Subfamily: ATELEASPINAE Traquair, 1899
= Subfamily: HEMICYCLASPINAE Heintz, 1939
Genus: Aceraspis KIAER, 1911
A. robustus KIAER, 1911 (Type)
= Atelaspis robustus (KIAER, 1911)
Genus: Ateleaspis TRAQUAIR, 1899
A. tesselata TRAQUAIR, 1899 (Type)
A. sp
Genus: HemicyclaspisLANKESTER, 1870
H. murchisoni (EGERTON, 1857) LANKESTER, 1870
= Cephalaspis murchisoni EGERTON, 1857
H. sp
Genus: Witaaspis (PANDER, 1856)
W. schrekii (PANDER, 1856) (Type)
Family: KALANASPIDIDAE Tinn & Märss, 2018
Genus: Kalanaspis TINN & MÄRSS, 2018
K. delectablis TINN & MÄRSS, 2018 (Type)
ORDER: CEPHALASPIDIFORMES HALSTEAD TARLO, 1967
= ORDER: OSTEOSTRACHI LANKESTER, 1868
= ORDER: OLIGOBRANCHIATA STENSIO, 1958
= ORDER: ORTHOBRANCHIATA STENSIO, 1958 (PARTIM)
SUBORDER: CORNUATA JANVIER, 1985
= SUBORDER: ACERASPIDA STENSIO, 1958
= SUBORDER: CEPHALASPIDIDA HEINTZ, 1939
= SUBORDER: MIMETASPIDIDA HALSTEAD-TARLO, 1967
Family: PROCEPHALASPIDIDAE Stensio, 1958
= Suborder: PROCEPHALASPINAE Stensio, 1958
Genus: Auchenaspis EGERTON, 1857
A. salteri EGERTON, 1857 (Type)
Genus: Procephalaspis DENISON, 1951
P. oselensis (ROBERTSON, 1939) DENISON, 1951 (Type)
= Cephalaspis oselensis ROBERTSON, 1939
Family: PATTENASPIDIDAE Stensio, 1958
Genus: Pattenaspis STENISO
P. whitei (STENSIO, 1932)KEATING, SANSOM, & PURNELL, 2012
= Cephalaspis whitei STENSIO, 1932
= Cephalaspis jacki WHITE, 1932
P. acuminata (STENSIO, 1964) (Type)
P. deltoides (WANGSJO)
P. divaricata (WANGSJO)
P. eukeraspidoides (STENESIO)
P. rogalai (BALABAI, 1962)
= Cephalaspis rogalia BALABAI, 1962
P. bardenbeueri FRIMAN, 1986
P. woschmidti FRIMAN, 1986
Family: CEPHALASPIDIDAE Agassiz, 1843
= Family: CEPHALASPIDIENS Janvier, 1985
= Subfamily: CEPHALASPIDINAE Agassiz, 1843
= Family: MIMETASPIDIDAE Stensio, 1958
Genus: Cephalaspis AGASSIZ, 1835
C. lyelli AGASSIZ, 1835 (Type)
C. jacki
C. dawsoni LANKETER, 1870
C. laticeps TRAQUAIR, 1890
C. jexi TRAQUAIR, 1893
C. teisseyeri var. major ZYCH
C? watneliei STENSIO, 1927
C. cradleyensis STENSIO, 1932
C? diensti GROSS, 1933
C. wyomingensis BRYANT, 1933
C. patteni ROBERTSON, 1936
C. canadensis ROBERTSON, 1936
C. acadia ROBERTSON, 1936
C? curta WANGSJO, 1952
C? producta WAGSJO, 1952
C. brevirostris DEINSON, 1952
C. novaescotiae DENISON, 1955
C. rogalai BALABAI, 1962 (nomen dubium)
C. felicaie BALABAI, 1962 (nomen dubium)
C. major BALABAI, 1962 (nomen dubium)
C. sjoestremi BALABAI, 1962 (nomen dubium)
C. dniestrensis JANVIER, 1981
C. cwmmillensis WHITE & TOOMBS, 1983
C. abergavenniensis WHITE & TOOMBS, 1983
Subgenus: Cwmaspis WHITE & TOOMBS, 1983
C. Cwmaspis billcrofti WHITE & TOOMBS, 1983
C. sp
Genus: Hemiteleaspis WESTOLL, 1944-45
H. heintzi WESTOLL, 1944-45 (Type)
Genus: Hildenaspis JANVIER, 1976
H. digitalis JANVIER, 1976 (Type)
H. sp
Genus: Machairaspis JANVIER, 1985
M. corystis (WANGSJO, 1952) JANVIER, 1985 (Type)
= Cephalaspis corystis WANGSJO, 1952
M. sp
Genus: Meterorspis (WANGSJO, 1952)
M. semicircularis (WANGSJO, 1952) (Type)
M. moythomais (WANGSJO, 1953)
M. oblonga
Genus: Mimetaspis STENSIO, 1958
M. hoeli (STENSIO, 1927) STENSIO, 1958 (Type)
= Cephalaspis hoeli STENSIO, 1927
M. glazewskii JANVIER, 1985
Genus: Yvonaspis BELLES-ISLES, 1989
Y. campbelltonensis (WHITEAVES, 1881) BELLES-ISLES, 1989 (Type)
= Cephalaspis cambelltonensis WHITEAVES, 1881
Y. westolli (RUSSELL, 1954) BELLES-ISLES, 1989
= Cephalaspis westolli RUSSELL, 1954
Y. peninsulae (PAGEAU, 1969) BELLES-ISLES, 1989
= Cephalaspis peninsulae PAGEAU, 1969
ORDER: ZENASPIDIDA STENSIO, 1958
= SUBORDER: ZENASPIDA STENSIO, 1958
Incertae sedis
Genus: Securiaspis JANVIER, 1985
S. kitchini JANIVER, 1985 (Type)
S. kingi
Genus: Spangenhelmaspis SANSOM, 2009
S. staxrudi (STENSIO, 1927) SANSON, 2009 (Type)
= Cephalaspis staxrudi STENSIO, 1927
S. quadrata (WANGSJO, 1952) SANSON, 2009
= Securiaspis quadrata WANGSJO, 1952
Genus: Wladysagitta sedis mutabilis
Family: ZENASPIDIDAE Stensio, 1958
Subfamily: Unamed A SANSOM, 2009
Genus: Diademaspis JANVIER, 1985
D. poplinae JANVIER, 1985 (Type)
D. jarviki (WANGSJO, 1952) JANIVER, 1985
= Cephalaspis jarviki WANGSJO, 1952
D. stensioei AFANASSIEVA, 1989
D? mackenziensis ADRIAN & WILSON, 1994
D. janvieri KEATING, SANSOM, & PURNELL, 2012
Genus: Stensiopelta JANVIER, 1985
S. pustulata JANVIER, 1985 (Type)
= ‘Cephalaspis woodwardi var. junior’ (labeled)
= Cephalaspis woodwardi var. subrotunda (labeled) JANIVER, 1985
Genus: Tegaspis WÄNGSJÖ, 1952
T. kolleri (STENSIÖ, 1927)
T. pedata (WÄNGSJÖ, 1952)
Genus: Wladysagitta VOICHYSHYN, 2006
W. acutirostris (STENSIO, 1932) VOICHYSHYN, 2006
= « Cephalaspis » cf. acutirostirs (STENSIO, 1932) JANIVER, 1985
W. janvieri VOICHYSHYN, 2006 (Type)
Genus: Zenaspis LANKESTER, 1870
Z. salweyi (EGERTON, 1857) LANKESTER, 1870 (Type)
= Cephalaspis salweyi EGERTON, 1857
Z. podolica (BALABAI, 1962)
= Cephalaspis podolica BALABAI, 1962
Z. dzieduszyckii VOICHYSHYN, 2006
Z. waynensis KEATING, SANSOM, & PURNELL, 2012
Subfamily: Unnamed B SANSOM, 2009
ORDER: SCOLENASPIDIFORMES
Family: SCOLENASPIDIDAE Janvier, 1985
Genus: Alaspis ORVIG, 1957
A. rosmundae (ROBERTSON, 1937) ORVIG, 1957 (Type)
= Cephalaspis rosamundae ROBRTSON, 1937
A. macrotuberculata ORVIG, 1957
Genus: Machairaspis JANVIER, 1985
M. corystis (WANGSJO, 1952) JANVIER, 1985 (Type)
= Cephalaspis corystis WANGSJO, 1952
M. isachseni (STENSIO, 1927) JAINVER, 1985
= Cephalaspis isachseni STENSIO, 1927
M. battaili JANVIER, 1985
M. ibex JANVIER, 1990
M. hastata JANVIER, 1990
M. sp
Genus: Scolenaspis
S. signata (WAGSJO, 1952)
S. mikrolepidota (BALABAI,1962) (nomen dubium)
= Cephalaspis mikrolepidota BALABAI, 1962
Genus: Victoraspis CARLSSON & BLOM, 2008
V. longicornualis CARLSSON & BLOM, 2008 (Type)
Genus: Ukrainaspis SANSON, 2009
U. kozlowskii (ZYCH, 1937) SANSON, 2009 (Type)
= Cephalaspis kozlowskii ZYCH, 1937 (nomen dubium)
Genus: Zychaspis JANIVER, 1985
Z. djurinensis (BALBAI, 1962) JANIVER, 1985
= Cephalaspis djurinensis BALBAI, 1962
Z. siemiradzkii JANIVER, 1985 (Type)
= Cephalaspis siemiradzkii var. elgens (Labeled)
Z. granulata Voichyshyn, 1998
Family: SUPERCILASPIDIDAE Scott & Wilson, 2014
Genus: Dentapelta SCOTT& WILSON, 2014
D. loefflerae SCOTT& WILSON, 2014 (Type)
Genus: Glabrapelta SCOTT& WILSON, 2014
G. cristata SCOTT & WILSON, 2014 (Type)
G. minima SCOTT& WILSON, 2014
Genus: Superciliaspis ADRIAN & WILSON, 1994
S. garbielsei (DINELEY & LOEFFLEY, 1976) ADRIAN & WILSON, 1994 (Type)
= Cephalaspis? gabrielsei DINELEY & LOEFFLEY, 1976
Family: PARAMETEOSPIDIDAE Sansom, 2009
Subfamily: PARAMETEOSPIDINAE Sansom, 2009
Genus: ParameteoraspisBLIECK, GOUJERT & JANIVER, 1987
= Meteoraspis JAINVER, 1981 non RESSER, 1935
P. laticornis (STENSIO, 1927) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis laticornis STENSIO, 1927
= Meteoraspis laticornis (STENSIO, 1927) JANIVER, 1985
P. lata (STENSIO, 1927) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis lata STENSIO, 1927
= Meteoraspis lata (STENSIO, 1927) JANIVER, 1985
P. hoegi (STENSIO, 1927) BLIECK, GOUJERT & JANIVER, 1987 (nomen dubium)
= Cephalaspis hoegi STENSIO, 1927 (nomen dubium)
= Meteoraspis hoegi (STENSIO, 1927) JANIVER, 1985 (nomen dubium)
P. borealis (STENSIO, 1927) BLIECK, GOUJERT & JANIVER, 1987 (nomen dubium)
= Cephalaspis borealis STENSIO, 1927 (nomen dubium)
= Meteoraspis borealis (STENSIO, 1927) JANIVER, 1985 (nomen dubium)
P. gigas (WANGSJO, 1952) BLIECK, GOUJERT & JANIVER, 1987 (Type)
= Cephalaspis gigas WANGSJO, 1952
= Metoraspis gigas (WANGSJO, 1952) JAINVER, 1981
P. oblonga (STENSIO, 1927) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis oblongus STENSIO, 1927
= Cephalaspis oblonga (STENSIO, 1927) WANGSJO, 1952
= Meteoraspis oblonga (STENSIO, 1927) JANIVER, 1985
P. lanternaria (WANGSJO, 1952) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis lanternaria WANGSJO, 1952
= Meteoraspis lanternaria (WANGSJO, 1952) JANIVER, 1985
P. moythomasi (WANGSJO, 1952) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis moythomasi WANGSJO, 1952
= Meteoraspis moythomasi (WANGSJO, 1952) JANIVER, 1985
P. semicircularis (WANGSJO, 1952) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis semicircularis WANGSJO, 1952
= Meteoraspis semicircularis (WANGSJO, 1952) JANIVER, 1985
P. caroli (WANGSJO, 1952) BLIECK, GOUJERT & JANIVER, 1987
= Cephalaspis caroli WANGSJO, 1952
= Meteoraspis caroli (WANGSJO, 1952) JANIVER, 1985
P. oberon (JANIVER, 1985) BLIECK, GOUJERT & JANIVER, 1987
= Meteoraspis oberon JANIVER, 1985
P. sp
Subfamily: ESCUMINASPINAE Arsenault & Janvier, 1995
Genus: Balticaspis LYARSKAYA, 1981
B. latvica LYARSKAYA, 1981 (Type)
Genus: Escuminaspis ORVIG, 1957
E. laticeps (TRAQUAIR, 1899) ORVIG, 1957 (Type)
= Cephalaspis laticeps TRAQUAIR, 1899
Genus: Levesquaspis
Genus: Trewinia sedis mutabilis
ORDER: BENNEVIASPIDIFORMES
= ORDER: ORTHOBRANCHIATA STENSIO, 1958 (partim)
= SUBORDER: BENNEVIASPIDIDA HALSTEAD-TARLO, 1967
Family: BENNEVIASPIDIDAE Denison, 1951
= Subfamily: BENNEVIASPINAE Denison, 1951
Genus: Benneviaspis STENSIO, 1927
B. holtesdahli STENSIO, 1927 (Type)
B. lankesteri STENSIO, 1932
B. anglica STENSIO, 1932
B. zychi Afanssieva, 1989
B. talimaae AFANSSIEVA, 1990
B. sp
Genus: Cithraspis AFANSSIEVA, 1989
C. polonica (BELLES-ISLES & JANVIER, 1984) AFANSSIEVA, 1989 (Type)
= Benneviaspis polonica BELLES-ISLES & JANIVER, 1984
C. junia AFANASSIEVA, 1989
Family: BOREASPIDIDAE Stensio, 1958
Genus: Belonaspis JAINVER, 1985
B. puella (WANGSJO, 1952) JAINVER, 1985 (Type)
= Boreaspis puella WANGSJO, 1952
B. minuta JANVIER, 2005
Genus: Boreaspis STENSIO, 1927
B. rostrata STENSIO, 1927 (Type)
B. macrorhynchus WANGSJO, 1952
B. intermedia WANGSJO, 1952
B. batoides WANGSJO, 1952
B. ceratops WANGSJO, 1953
B. jinbsburgi JANVIER, 1977
Genus: Dicranaspis JANIVER, 1985
D. gracilis (WANGSJO, 1952) JANIVER, 1985 (Type)
= Boreaspis gracilis WANGSJO, 1952
D. triangularis (WANGSJO, 1952) JANIVER, 1985
= Boreaspis triangularis WANGSJO, 1952
D. circinus (WANGSJO, 1952) JANIVER, 1985
= Boreaspis circinus WANGSJO, 1952
D. curtirostris (WANGSJO, 1952) JANIVER, 1985
= Boreaspis curtirostris WANGSJO, 1952
D. spinicornis (WANGSJO, 1952) JANIVER, 1985
= Boreaspis spinicornis WANGSJO, 1952
D. sp
Genus: Spatulaspis JANIVER, 1952
S. costata (WANGSJO, 1952) JANIVER, 1952 (Type)
= Boreaspis costata WANGSJO, 1952
S? robusta (WANGSJO, 1952) JANIVER, 1952
= Boreaspis robusta WANGSJO, 1952
S. sp.
ORDER: KIAERASPIDIFORMES HALSTEAD TARLO, 1967
= ORDER: NECTASPIFORMES STENSIO, 1958
= SUBORDER: KIAERSPIDIDA OBROUCHEV, 1964
Family: KIAERSPIDIDAE Stensio, 1932
= Subfamily: KIAERASPINAE Stensio, 1932
Genus: Kiaeraspis STENSIO, 1927
K. auchenaspidoides STENSIO, 1927 (Type)
Genus: Norselaspis JANVIER, 1981
N. glacialis JANVIER, 1981 (Type)
Superfamily: AXINASPIDOIDEA Janvier, 1985
Family: AXIANASPIDIDAE Janvier, 1985
Genus: AxinaspisWANGSJO, 1952
A. whitei WANGSJO, 1952
A. sp
Family: ACROTOMASPIDIDAE Obrouchev
Subfamily: ACROTOMASPIDINAE Obrouchev
Genus: AcrotomaspisWANGSJO, 1952
A. instabilis WANGSJO, 1952 (Type)
Genus: Gustavaspis JANVIER, 1981
G. trinodis (WANGSJO, 1953) JANVIER, 1981 (Type)
Subfamily; NECTASPIDINAE Stensio, 1958
= Family: NECTASPIDIDAE Stensio, 1958
Genus: Nectaspis WANGSJO, 1952
N. peltata WANGSJO, 1952 (Type)
N. areoltata WANGSJO, 1952
N. dellei WANGSJO, 1952
ORDER: JAMOYTIIFORMES TARLO, 1967
Family: JAMOYTIIDAE White, 1946
Genus: Jamoytius WHITE, 1946
J. kerwoodi WHITE, 1946 (Type)
Family: ACHANARELLIDAE Newman, 2002
Genus: Achanarella NEWMAN, 2002
A. trewini NEWMAN, 2002 (Type)
ORDER: ENDEOLEPIDIDORMES BERG, 1940
Family: ENDEIOLEPIDIDAE Stensio, 1939
Genus: Endeiolepis STENSIO, 1939
E. aneri STENSIO, 1939 (Type)
ORDER: BIRKENIIFORMES BERG, 1940
= ORDER: BIRKENIIDA BERG, 1937
INCERTAE SEDIS
Genus: Kerreralepis BLOM, 2012
K. carinata BLOM, 2012 (Type)
Family: BIRKENIIDAE Traquiar, 1899
Genus: Birkenia TRAQUAIR, 1899
B. elegans TRAQUAIR, 1899 (Type)
B. robusta BLOM, MARSS & MILLER, 2002 (for 2001)
B. sp
Genus: Hoburgilepis BLOM, MARSS & MILLER, 2002 (for 2001)
H. papillata BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
Genus: Vilkitskilepis MARSS, 2002
V. valentinae MARSS, 2002 (Type)
Family: LASANIIDAE Abel, 1919
Genus: Lasanius TRAQUAIR, 1899
L. problimeaticus TRAQUAIR, 1899 (Type)
L. aramatus TRAQUAIR, 1899
Family: RHYNCHOLEPIDIDAE Kier, 1924
Genus: Maurylepis BLOM, MARSS & MILLER, 2002 (for 2001)
M. lacrimanus BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
Genus: Rhyncholepis KIAER, 1911
= Anaspis ROBERTSON, 1941 non GEOGGREY, 1762
= Saarolepis ROBERTSON, 1945
R. parvulus KIAER, 1911 (Type)
R. oeselensis (ROBERTSON, 1941) ROBERTSON, 1980
= Saarolepis oeselensis (ROBERTSON, 1941) ROBERTSON, 1945
= Anaspis oeselensis ROBERTSON, 1941
R butriangula BLOM, MARSS & MILLER, 2002 (for 2001)
Genus: Rytidolepis PANDER, 1856
R. quenstedtii PANDER, 1856 (Type)
Genus: Schidiosteus PANDER, 1856
S. mustelensis PANDER, 1856 (Type)
= Rhyncholepis (Saarolepis) oeselensis (ROBERTSON), RITICHIE, 1980 (referred)
Genus: Silmalepis BLOM, MARSS & MILLER, 2002 (for 2001)
S. erinacea BLOM, MARSS & MILLLER, 2002 (for 2001) (Type)
Genus: Vesikulepis BLOM, MARSS & MILLER, 2002 (for 2001)
V. funiforma BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
Family: PTERYGOLEPIDIDAE Obruchev, 1964
Genus: Pterygolepis COSSMANN, 1920
P. nitida (KIAER, 1911) COSSMANN, 1920 (Type)
= Pterolepis nitidus KIAER, 1911
Family: PHARYNGOLEPIDIDAE Kier, 1924
Genus: Pharyngolepis KIAER, 1911
P. oblongus KIAER, 1911 (Type)
= Pharyngolepis kiaeri SMITH, 1956
P. ?heintzi RITCHIE, 1964
Family: TAHULALEPIDIDAE Blom, Marss & Miller, 2002 (for 2001)
Genus: Tahulalepis BLOM, MARSS & MILLER, 2002 (for 2001)
T. elongituberculata BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
T. kingi (WOODWARD, 1947) BLOM, MARSS & MILLER, 2002 (for 2001)
= Birkenia kingi WOODWARD, 1947
Family: SEPTENTRIONIIDAE Blom, Marss & Miller, 2002 (for 2001)
Genus: Liivlepis BLOM, MARSS & MILLER, 2002 (for 2001)
L. curvata BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
Genus: Manbrookia BLOM, MARSS & MILLER, 2002 (for 2001)
M. asperella BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
Genus: Septentrionia BLOM, MARSS & MILLER, 2002 (for 2001)
S. lancifera BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
S. mucronata BLOM, MARSS & MILLER, 2002 (for 2001)
S. dissimilis BLOM, MARSS & MILLER, 2002 (for 2001)
S. seducta BLOM, MARSS & MILLER, 2002 (for 2001)
Genus: Spokoinolepis BLOM, MARSS & MILLER, 2002 (for 2001)
S. alternans BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
Genus: Tripleylepis MILLER, MARSS & BLOM, 2004
T. juncta MILLER, MARSS & BLOM, 2004 (Type)
T. concatenate MILLER, MARSS & BLOM, 2004
Family: EUPHANEROPIDAE Woodward, 1900
Genus: Cornovichthys NEWMAN & TREWIN, 2001
C. blaauweni NEWMAN & TREWIN, 2001 (Type)
Genus: Euphanerops WOODWARD, 1900
= Legendrelepis ARSENAULT & JANVIER, 1991
E. longaevus WOODWARD, 1900 (Type)
= Legendrelepis parenti ARSENAULT & JANVIER, 1991
Family: Incertae sedis
Genus: Cowielepis BLOM, 2008
C. ritchiei BLOM, 2008 (Type)
Genus: Ruhnuleps BLOM, MARSS & MILLER, 2002 (for 2001)
R. longicostata BLOM, MARSS & MILLER, 2002 (for 2001) (Type)
CLASS: GALEASPIDOMORPHI
= CLASS: EUGALEASPIDOMORPHI
= SUPERORDER: GALEASPIDA TARLO, 1967
SUBCLASS: MACROTHYRASPIDES PAN, 1992
ORDER: MACROTHYRASPIDIDA PAN, 1992
Family: MACROTHYRASPIDAE Pan, 1992
Genus: Macrothyraspis PAN, 1992
M. longicornis PAN, 1992 (Type)
M. longilanceus WANG, GAI & ZHU, 2005
ORDER: QINGMENASPIDFORMES PAN & WANG, 1981
Family: QINGMENASPIDIDAE Halstead, 1993
Genus: Qingmenaspis PAN & WANG, 1981
Q. microculus PAN & WANG, 1981 (Type)
ORDER: PENTATHYRASPIDIDA PAN, 1992
Family: PENTATHYRASPIDIDAE Pan, 1992
Genus: Pentathyraspis PAN, 1992
P. pelta PAN, 1992 (Type)
Family: MICROHOPLONASPIDAE Pan, 1992
Genus: Microhoplonaspis PAN, 1992
M. microthyris PAN, 1992 (Type)
SUBCLASS: GALEASPIDA HALSTEAD TARLO, 1967
= GALEASPIDFORMES LIU, 1965
= CLASS: GALEASPIDOMORPHI
ORDER: INCERTAE SEDIS
Genus: Bannhuanaspis JANVIER, THANH & PHUONG, 1993
B. vukhuci JANVIER, THANH & PHUONG, 1993 (Type)
Genus: Diploholcaspis WANG, WANG & ZHU, 2009
D. daleensis WANG, WANG & ZHU, 2009 (Type)
Family: HYPERASPIDIDAE Pan, 1992
Genus: Hyperaspis PAN, 1992
H. acclivis PAN, 1992 (Type)
ORDER: EUGALEASPIDFORMES (LIU, 1965) LIU, 1980
= ORDER: GALEASPIDIFORMES LIU, 1965
= ORDER: GALEASPIDIDA HALSTEAD-TARLO, 1967
Genus Tujaaspis GAI, LI, FERRON, KEATING, WANG, DONOGHUE & ZHU, 2022
T. vividus GAI, LI, FERRON, KEATING, WANG, DONOGHUE & ZHU, 2022 (Type)
Family: SHUYUIDAE Shan, Zhu, Zhao, Pan, Wang & Gai, 2020
Genus: Meishanaspis WANG, 1991
M. lehmani WANG, 1991 (Type)
Genus: Shuyu GAI, DONOGHUE, ZHU, JANIVER & STAMPANONI, 2011
S. zhejiangensis (PAN, 1986) GAI, DONOGHUE, ZHU, JANIVER & STAMPANONI, 2011 (Type)
= Eugaleaspis zhejiangensis PAN, 1986
Family: EUGALEASPIDIDAE Liu, 1980
= Family: GALEASPIDAE Liu, 1965
Genus: Dunyu ZHU, LIU, JIA & GAI, 2012
D. longiforus ZHU, LIU, JIA & GAI, 2012 (Type)
D. xiushanensis (LIU, 1983) ZHU, LIU, JIA & GAI, 2012
= Eugaleaspis xiushanensis LIU, 1983
Genus: Eugaleaspis LIU, 1980
= Galeaspis LIU, 1965 non IVSHIN, 1962
E. changi (LIU, 1965) LIU, 1980 (Type)
= Galeaspis changi LIU, 1965
E. lianhuashanensis LIU, 1986
Genus: Nochelaspis ZHU, 1992
N. maendrine ZHU, 1992 (Type)
Genus: Pterogonaspis ZHU, 1992
P. yuhaii ZHU, 1992 (Type)
Genus: Yunnanogaleaspis PAN & WANG, 1980
Y. major PAN & WANG, 1980 (Type)
Family: SINOGALEASPIDIDAE Pan, 1992
= Family: SINOGALEASPIDAE Pan & Wang, 1980
Genus: Rumporostralis SHAN, ZHU, ZHAO, PAN, WANG & GAI, 2020
R. xikengensis (PAN & WANG, 1980)
= Sinogaleaspis xikengensis PAN & WANG, 1980
R. zhipanensis SHAN, ZHU, ZHAO, PAN, WANG & GAI, 2020
Genus: Sinogaleaspis PAN & WANG, 1980
S. shankouensis PAN & WANG, 1980 (Type)
S. xikengensis PAN & WANG, 1980
S. zhejangensis PAN, 1986
Family: TRIDENSASPIDIDAE Pan, 1992
= Family: TRIDENSAPIDAE Liu, 1986
Genus: Tridensaspis LIU, 1986
T. magnoculus LIU, 1986 (Type)
Incertae sedis
Genus: Anjiaspis GAI & ZHU, 2005
A. reticularis GAI & ZHU, 2005 (Type)
ORDER: POLYBRANCHISPIDOFORMES LIU, 1965
= SUPERORDER: POLYBRANCHIASPIDIDA JANVIER, 1996
Incertae sedis
Genus: Jiaoyu LIU, ZHU, LIN, LU & GAI, 2019
J. imperfectus LIU, ZHU, LIN, LU & GAI, 2019 (Type)
Genus: Konoceraspis PAN, 1992
K. grandoculus PAN, 1992 (Type)
Genus: Wenshanaspis ZHAO, ZHU & JIA, 2002
W. zhichangensis ZHAO, ZHU & JIA, 2002 (Type)
Family: POLYBRANCHIASPIDIDAE Pan, 1992
= Family: POLYBRANCHIASPIDAE Liu, 1965
Genus: Altigibbaspis LIU, GAI & ZHU, 2017
A. huiqingae LIU, GAI & ZHU, 2017 (Type)
Genus: Polybranchiaspis LIU, 1965
P. liaojaoshensis LIU, 1965 (Type)
= Polybranchiaspis gracilis CAO, 1985
= Polybranchiaspis yunnanensis CAO, 1985
= Polybranchiaspis rhombicus CAO, 1985
= Polybranchiaspis sinensis CAO, 1985
P. minor LIU, 1975
P. miandiancunensis PAN & WANG, 1978
P. sp
Genus: Siyingia WANG & WANG, 1982
S. altuspinosa WANG & WANG, 1982 (Type)
S. perlatuspinosa SI, GAI, & ZHAO, 2015
Family: XIUSHUIASPIDIDAE Pan & Wang, 1983
Genus: Microphymaspis WANG, WANG, ZHANG, WANG & ZHU, 2002
=
Platycaraspis WANG, WANG, ZHANG, WANG & ZHU, 2002
M. pani WANG, WANG, ZHANG, WANG & ZHU, 2002 (Type)
= Platycaraspis tianshanensis WANG, WANG, ZHANG, WANG & ZHU, 2002
Genus: Xiushuiaspis PAN & WANG, 1983
X. jiangxiensis PAN & WANG, 1983 (Type)
X. ganbiensis PAN & WANG, 1983
Family: DAYONGASPIDAE Pan & Zheng, 1985
Genus: Dayongaspis PAN & ZHENG, 1985
D. hunanensis PAN & ZHENG, 1985 (Type)
Family: GERASPIDIDAE Pan & Chen, 1993
Genus: Geraspis PAN & CHEN, 1993
G. rara PAN & CHEN, 1993 (Type)
Family: ZHAOTONGASPIDAE Wang & Zhu, 1994
Genus: Antiquisagittaspis LIU, 1985
A. cornata LIU, 1985 (Type)
Genus: Zhaotongaspis WANG & ZHU, 1994
Z. janvieri WANG & ZHU, 1994 (Type)
Family: GUMUASPIDAE Gai, Lu, Zhao & Zhu, 2018
Genus: Gumuaspis LIU, 1992
G. rostrata LIU, 1992 (Type)
Genus: Nanningaspis GAI, LU, ZHA & ZHU, 2018
N. zengi GAI, LU, ZHA & ZHU, 2018 (Type)
Genus: Platylomaspis GAI, LU, ZHA & ZHU, 2018
P. serratus GAI, LU, ZHA & ZHU, 2018 (Type)
Genus: Pseudolaxaspis GAI, LU, ZHA & ZHU, 2018
P. rostrata (LIU, 1975) GAI, LU, ZHA & ZHU, 2018 (Type)
= Laxaspis rostrata LIU, 1975
ORDER: DUYUNASPIDIDA PAN & WANG, 1978
Family: DUYUNOLEPIDIDAE Pan, 1992
= Family: DUYUNOLEPIDAE Pan & Wang, 1978
= Family: DUYUNASPIDA Pan & Wang, 1978
Genus: Duyunolepis PAN & SHITAO, 1982
= Duyunaspis P’AN & WANG, 1978 non ZHANG & QIAN, 1977
D. paoyangensi (P’AN & WANG, 1978) PAN & SHITAO, 1982 (Type)
= Duyunaspis paoyangensi P’AN & WANG, 1978
Genus: Lopadaspis WANG, WANG, WANG & ZHANG, 2002
= Discaspis WANG, WANG, WANG & ZHANG, 2001 non LIN, 1988
L. pinglensis (WANG, WANG, WANG & ZHANG, 2001) WANG, WANG, WANG & ZHANG, 2002 (Type)
= Discaspis pinglensis WANG, WANG, WANG & ZHANG, 2001
Genus: Neoduyunaspis PAN & WANG, 1978
N. minuta PAN & WANG, 1978 (Type)
Genus: Paraduyanspis PAN & WANG 1978
P. hezhangensis PAN & WANG, 1978 (Type)
ORDER: HANYANGASPIDIDA PAN & LIU, 1975
Family: HANYANGASPIDIDAE Pan, 1992
= Family: HANYANGASPIDAE Pan & Liu, 1975
Genus: Hanyangaspis PAN & LIU, 1975
H. guodingshanensis PAN & LIU, 1975 (Type)
H. chaohuensis (WANG, XIA & CHEN, 1980) WANG, et al, 1980
= Latirostra chaohuensis WANG, XIA & CHEN, 1980
Genus: Latirostraspis WANG, et al, 1980
L. chaohuensis WANG et al, 1980 (Type)
Genus: Nanjiangaspis WANG, WANG, ZHANG, WANG & ZHU, 2002
N. kalpinensis WANG, WANG, ZHANG, WANG & ZHU, 2002 (Type)
Family: XIUSHUIASPIDAE P’an & Wang, 1983
Genus: Xiyuichthys SHAN, LIN, ZHANG, LI & GAI, 2023
= Xiyuaspis non ZHANG, 1986 (trilobite) LIU, ZHU, LIN, LU & GAI, 2019
X. zhangi (LU et al. 2007 [LIU, ZHU, LIN, LU & GAI, 2019]) SHAN, LIN, ZHANG, LI & GAI, 2023
(Type)
= Nanjianagaspis zhangi LU et al., 2007
= Kalpinolepis zhangi (LU et al., 2007) LIU et al., 2015
= Xiyuaspis zhangi (LU et al. 2007) LIU, ZHU, LIN, LU & GAI, 2019])
X. lixiensis SHAN, LIN, ZHANG, LI & GAI, 2023
ORDER: NANPANASPIFORMES LIU, 1975
Family: NANPANASPIDIDAE Pan, 1992
= Family: NANPANASPIDAE Liu, 1975
Genus: Nanpanaspis LIU, 1965
N. microculus LIU, 1965 (Type)
ORDER: GALEASPIFORMES LIU, 1965
Family: GALASPIIDAE Liu, 1965
Genus: Galeaspis LIU, 1965
G. changi LIU, 1965 (Type)
G. xujiachongensis LIU, 1975
Genus: Szechuanaspis PAN & WANG, 1975
S. yanmenpaensis PAN & WANG, 1975 (Type)
Family: CYCLODISCASPIDIDAE Pan, 1992
= Family: CYCLODISCAPSIDAE Liu, 1975
Genus: Cyclodiscaspis LIU, 1975
C. ctenus LIU, 1975 (Type)
Genus: Damaspis WANG & WANG, 1982
D. vartus WANG & WANG, 1982 (Type)
Genus: Dongfangaspis LIU, 1975
D. major LIU, 1975 (Type)
D. qujigensis PAN & WANG, 1981
D. sp
Genus: Laxaspis LIU, 1975
L. qujingensis LIU, 1975 (Type)
L. yulongssus (LIU, 1975) JANVIER & PHUONG, 1999
= Polybranchiaspis yulongssus LIU, 1975
ORDER: HUANANASPIFORMES JANVIER, 1975
= HUANANASPIDIDA
= HUANANSPIDS PAN, 1984
Family: HUANNASPIDAE Liu, 1973
Genus: Asiaspis PAN, 1975
A. expansa PAN, 1975 (Type)
Genus: Diandongaspis LIU, 1975
D. xishancunensis LIU, 1975 (Type)
Genus: Huananaspis LIU, 1973
H. wudinensis LIU, 1973 (Type)
Genus: Kwangnanaspis CAO, 1979
K. subtriangularis CAO, 1979 (Type)
Genus: Macrothvraspis PAN, 1992
M. longicornis PAN, 1992 (Type)
Genus: Sinoszechuanaspis PAN & WANG, 1975
S. yanmenpaensis PAN & WANG, 1975 (Type)
S. gracilis PAN & WANG, 1978
Genus: Stephaspis GAI & ZHU, 2007
S. dipteriga GAI & ZHU, 2007 (Type)
Family: LUNGMENSHANASPIDIDAE Pan, 1992
= Family: LUNGMENSHANASPIDS Pan, 1984
Genus: Lungmenshanaspis PAN & WANG, 1975
L. kiangyouensis PAN & WANG, 1975 (Type)
L.yunnanensis WANG, FAN & ZHU, 1996
Family: SANCHASPIDAE Pan & Wang, 1981
Genus: Sanchaspis PAN & WANG, 1981
S. magalarostrata PAN & WANG, 1981 (Type)
Family: SANQIASPIDAE Liu, 1975
Genus: Sanqiaspis LIU, 1975
S. rostrata LIU, 1975 (Type)
S. zhaotongensis LIU, 1975
S. sichuanensis PAN & WANG, 1978
S. vietnamensis JANVIER, THANH, PHUONG, CLEMENT & PHUONG, 2009
Genus: Wumengshanaspis WANG & LAN, 1984
W. cuntianensis WANG & LAN, 1984 (Type)
Family: GANTAROSTRATASPIDAE Wang & Wang, 1992
Genus: Gantarostrataspis WANG & WANG, 1992
G. gengi WANG & WANG, 1992 (Type)
Genus: Rhegmaspis GAI, ZHU, JIA, 7 ZHAO, 2015
R. xiphoidea GAI, ZHU, JIA, 7 ZHAO, 2015 (Type)
Genus: Wumengshanaspis WANG & LAN, 1984
W. cuntianensis WANG & LAN, 1984 (Type)
SUBCLASS: CYCLOSTOMATA
SUPERORDER: PETROMYXONIDA
ORDER: MYXINIFORMES
= Subphylum: Hyperotreti
Incertae sedis
Genus: Myxinedius POPLIN, SOTTY & JANVIER, 2001
M. gononorum POPLIN, SOTTY & JANVIER, 2001 (Type)
ORDER: PETROMYZONTIFORMES BERG, 1940
Family: ?
Genus: Priscomyzon GESS, COATES & RUBIDGE, 2006
P. riniensis GESS, COATES & RUBIDGE, 2006 (Type)
Genus: Yanliaomyzon WU, JANVIER & ZHANG, 2023
Y. occisor WU, JANVIER & ZHANG, 2023 (Type)
Y. ingensdentes WU, JANVIER & ZHANG, 2023
Family: HARDISTIELLIDAE Halstead, 1993
Genus: Hardistiella JANVIER & LUND, 1983
H. montanensis JANVIER & LUND, 1983 (Type)
Family: MAYOMYZONTIDAE Bardack & Zangerl, 1968
Genus: Mayomyzon BARDACK & ZANGERL, 1968
M. pieckoensis BARDACK & ZANGERL, 1968 (Type)
Family: PIPISCIIDAE Halstead, 1993
Genus: Pipiscius BARDACK & RICHARDSON, 1977
P. zangerli BARDACK & RICHARDSON, 1977 (Type)
Family: GILPICHTHYIDAE Halstead, 1993
Genus: Gilpichthys BARDACK & RICHARDSON, 1977
G. greenei BARDACK & RICHARDSON, 1977 (Type)
Family: PETROMYZONTIDAE
Genus: Mesomyzon CHANG, ZHANG & MIAO, 2006
M. mengae CHANG, ZHANG & MIAO, 2006 (Type)
_____________________________________________________________________________________
Adrain, J. M, and Wilson, M. V. H., 1994, Early Devonian cephalaspids (Vertebrata:
Osteostraci: Cornuata) from the southern MacKenzie Mountains, N.W. T. Canada:
Journal of Vertebrate Paleontology, v. 14, n. 3, p. 301-319.
Afanssieva, O. B., 1989, New Cephalaspids (Agnatha) from the Lower Devonian of Podolia: Palaeontological Journal, v. 23, n. 3, p. 48-57.
Afanassieva, O. B., 1990, New Lower Devonian Benneviaspis (AGNATHA) from Podolia: Palaeontological Journal, v. 24, n. 4, p. 129-132.
Afanassieva, O. B., 2000, New Osteostracans from the Silurian of Severnaya Zemlya Archipelago (Russia) and some problems relating to the parataxonomy of armored agnathians: Paleontolgical Journal, v. 34, supplement 2, p. S138-S146.
Afanassieva, O. B., and Karatajute-Talimaa, V. N., 1998, New Osteostracans (Agantha) from the Silurian and Lower Devonian of the Severnaya Zemlya Archipelago (Russia): Paleontological Journal, v. 32, n. 6, p. 605-610.
Agassiz, L., 1835, Du genre Cephalaspis: In: Recherches sur les Poissons fossils. Texte t. II. I1 partie, ch. VI: 135-152; Atlas t. II. Pl. 1 a-b, Neuchatel, imprimerie de Petitpierre (1833-1843).
Agassiz, L., 1839, Fishes of the Upper Ludlow Rock: In: The Silurian System, Edited by Murchison, R. I., v. 2, p. 605-607.
Agassiz, L., 1844, Recherches sur les posissons fossils: v. 1, xlix + p. 1-188.
Agassiz, L., 1845, Monographie des possons fossils du vieux gres rouge on system devonien (Old Red Sandstone) des Iles Britanniques et de Russie: XXXVI + 1-171.
Alth, A. V., 1874, Ueber die palaeozoischen Gebilde Podoliens und deren Versteingerungen: Abhandl. Geol. Reichsanstalt, v. 7, n. 1, p. 1-79.
Arsenault, M., and Javier, P., 1991, The anaspid-like craniates of the Escuminac Formation, (Upper Devonian) from Miguasha (Quebec, Canada) with remarks on anaspid-petromyzontid relationships : In : Early Vertebrates and Related Problems fo Evolutionary Biology, edited by Cheng, M. M., Liu, Y. H., & Zhang, G. R., p. 19-44.
Balabai, P. P., 1959, On the study of Pteraspidae from the Lower Devonian of Podola. Communication I, Notes Sci. Mus. Sci. Nat. Acad. Sci. Ukreine, v. 7, p. 3-22.
Bardack, D., 1991, First Fossil Hagfish (Myxinoidea): A Record from the Pennsylvanian of Illinois: Science, v. 254, p. 701-703.
Bardack, D., and Richardson, E. S. Jr., 1977, New Agnathous Fishes from the Pennsylvanian of Illinois: Fieldiana; Geology, v. 33, n. 26, p. 489-510.
Bardack, D., and Zangerl, R., 1968, First fossil lamprey: a record from the Pennsylvanian of Illinois: Science, v. 162, p. 1265-1267.
Belles-Isles, M., 1989, Yvonaspis, nouveau genre d’Osteostraci (Vertebrata, Aganatha) du Devonien (Emsien-Eifelien) des Gres de Gaspe (Quebec, Canada): Canadian Journal of Earth Science, v. 26, p. 2396-2401.
Blieck, A., 1975, Althaspis anatirostra nov. sp. Pteraspide du Devonien inferieur du Spitsberg: C. R. Somm. Soc. Geol. Fr., n. 3, p. 74-77.
Bleick, A., 1980, Le genre Rhinopteraspis Jaekel (Vertebres, HEterostraces) du Devonien inferieur: Systematique morphologie, repartition: Bull. Mus. Natn. Hist. Nat., 4th series, 2 sect. C, 1, p. 25-47.
Blieck, A., 1981, Le genre Protopteraspis Leriche (vertebras, heterostraces) du Devonien inferieur Nortd-Atlantique: Palaeontographica, Abt. A, v. 173, Lfg. 5-6, P. 141-159.
Blieck, A., 1982, Les Heterostraces (Vertebres, Agnathes) de l’horizon Vogti (Groupe de Red Bay, Devonian inferieur du Spitsberg) : Cahiers de Paleontologie, v. 51, 31pp.
Blieck, A., 1982, Donnees nouvelles sur les Heterostraces (Vertebres, Agnathes) du gisement d’Ombret, Devonien inferieur de l’Ardenne belge : Ann. Soc. Geol. Belg, v. 102, n. 2, p. 235-239.
Blieck, A., 1984, Les Heterostraces Pteraspidiformes, Systematique, Phylogenie, Biostraigraphie, Biogeographie, Cahiers de Paleontologie, section vertebres, 199pp.
Blieck, A., and Goujet, D., 1983, Zascinaspis laticephala nov. sp. (Agantha. Heterostraci) du Devonian inferieur du Spitsberg: Annals de Paleontologie, (Vert.-Invert). V. 69, n. 1, p. 43-56.
Blieck, A., and Heintz, N., 1972, The Cyathaspids of the Red Bay Group (Lower Devonian) of Spitsbergen: The Downtonian and Devonian Vertebrates of Spitsbergen, Polar Resarch, v. 13, p. 49-74.
Blieck, A R. M., and Karatajute-Talimaa, V. N., 2001, New corvaspids from the Lochkovian (Lower Devonian) of Severnaya Zemlya, Russia (Vertebrata: Pteraspidomorphi: Heterostraci): Journal of Vertebrate Paleontology, v. 21, n. 4, p. 639-650.
Blom, H., 2008, A new anaspid fish from the Middle Silurian Cowie Harbour Fish bed of Stonehaven, Scotland: Journal of Vertebrate Paleontology, v. 28, n. 3, p. 594-600.
Blom, H., Marss, T., and Miller, C. G., 2002 (for 2001), Silurian and earliest Devonian birkeniid anaspids from the Northern Hemisphere: Transactions of the Royal Society of Edinburgh, Earth Sciences, v. 92, p. 263-323.
Bockelie, T., and Fortey, R. A., 1976, An early Ordovician Vertebrate : Nature, v. 260, p. 36-80.
Branson, E. B., and Mehl, M. G., 1931, Fishes of the Jefferson Formation of Utah : Jl. Geol., v. 39, n. 6, p. 509-531.
Broad, D. S., 1973, Amphiaspidiformes (Heterostraci) from the Silurian of Canadian Arctic Archipelago: Geological Society of Canada, Bulletin 222, p. 52-91.
Broad, D. S., and Dineley, D. L., 1973, Torpedaspis, a new Upper Silurian and Lower Devonian genus fo Cynathaspididae (Ostracodermi) from Arctic Canada: Geological Society of Canada, Bulletin 222, p. 35-51.
Brozen, F., 1933, Die Silurischen und Devonischen Fischvorkommen in Wespodolien I : Palaeobiologica, v. 5, p. 423-466.
Brotzen, F., 1934, Erster nachweis von unterdevon im osteseegebiete durch Konglomeratgeschiebe mit Fischresten: Zeitschr. Geschiebeforschr., v. 10, n. 1, p. 1-65.
Brozen, F., 1936, Beitrage zur vertebratenfauna des Westpodolischen SIlurs und Devons. I: Protaspis arnelli n. sp., und Brachipteraspis n. gen. latissima Zych: K. Svenska Vetenskapsakad. Ark. F. Zool., v. 28, A., n. 22, p. 1-52.
Bryant, W. L., 1932: Lower Devonian fishes of Bear Tooth Butte, Wyoming, Part I: Proceedings of the American Philosophical Society, v. 71, p. 225-254.
Bryant, W. L., 1933, Fish Fauna of Beartooth Butte, Wyoming:, Parts II and III: Proceedings of the American Philosophical Society, v. 72, p. 285-314.
Bryant, W. L., 1933, The fish fauna of Beartooth Butte, Wyoming: Proceedings of the American Philosophical Society, v. 73, part II and III, p. 127-162.
Bryant, W. L., 1934, The fish fauna of Beartooth Butte, Wyoming : Proceedings of the American Philosophical Society, v. 73, p. 127-162.
Bryant, W. L,. 1936, Cryptaspis and other Lower Devonian Fossil Fishes from Beartooth Butte, Wyoming: Proceedings of the American Philosophical Society, v. 75, p. 111-128.
Cao, R., 1979, A Lower Devonian Agnathan of South-Eastern Yunnan: Vertebrata PalAsiatica, v. 17, n. 2, p. 118-120.
Chang, M.-M., Zhang, J., and Miao, D., 2006, A lamprey from the Cretaceous Jehol biota of China: Nature, v. 441, p. 972-974.
Carlsson, A., and Blom, H., 2008, A new scolenaspidid (Osteostraci, Vertebrata) from the Lower Devoniain of Podolia, Ukraine: Paläontologische Zeitschrift, v. 82, n. 3, p. 314-323.
Claypole, E., 1885, On the recent discovery of Pteraspidian fish in the Upper Silurian rocks of North America: Quarterly Journal of the Geological Society of London, v. 41, n. 161, p. 48-64.
Collins, J. H., 1893, A working list of the Palaeozoic fishes of Cornwall: Trans. R. Geol. Soc., Cornwall, v. 11, p. 421-479.
Cossmann, M., 1920, Retification de nomenclature: Revue critique de Paleozoologie et de Paleophytologie, v. 2, p. 83.
Dec, M., 2020, A new Middle Devonian (Givetian) psammosteid (Vertebrata: Heterostraci) from Poland: Annales Societatis Geologorum Poloniae, v. 90, published online, 19pp.
Denison, R. H., 1952, Early Devonian fishes from Utah, Part I. Osteostraci: Fieldiana, Geology, v. 11, n. 3, p. 157-196.
Denison, R. H., 1953, Early Devonian fishes from Utah. Part II. Heterostraci, Fieldiana, Geology, v. 11, n. 7, p. 291-355.
Denison, R. H., 1955, Early Devonian Vertebrates from the Knoydat Formation of Nova Scotia: In: Karl Patterson Schmidt Anniversary Volume, In honor of His Sixty-fifth birthday: Fieldiana; Zoology, v. 37, p. 449-464.
Denison, R. H., 1960, Fishes of the Devonian Holland Quarry Shale of Ohio: Fieldiana, Geology, v. 11, n. 10, p. 555-613.
Denison, R. H., 1963, New Silurian Heterostraci from Southeastern Yukon: Fieldiana, Geology, v. 14, pn. 7, p. 105-141.
Denison, R H., 1964, The cyathaspididae, a family of Silurian and Devonian Jawless vertebrates: Fieldiana, Geology, v. 13, n. 5, p. 311-473.
Denison, R. H., 1966, Cardipeltis, an early Devoniain agnathan of the Order Heterostraci: Fieldiana: Geology, v. 14, n. 7, p. 89-116.
Denison, R. H., 1967, A new Protaspis from the Devonian of Utah, with notes on the classification of Pteraspididae: In: Papers on Fossil Vertebrates, edited by Patterson, C., and Greenwood, P. H., The Journal of the Linnean Society of London (Zoology), v. 47, n. 311, p. 31-37.
Denison, R. H., 1970, Revised classification of Pteraspididae with description of new forms from Wyoming: Fieldiana, Geology, v. 20, n. 1, p. 1-41.
Dineley, D. L., 1953-1954, Notes on the genus Corvaspis: Proceedings of the Royals Society of Endiburgh, v. 65, series B, p. 166-181.
Dineley, D. L., 1964, New Specimens of Traquairaspis from Canada: Palaeontology, v. 7, part 2, p. 210-219.
Dineley, D. L., 1976, New Species of Ctenaspis (Ostracodermi) from the Devonian of Arctic Canada: In: Athlon, Essays on Palaeontology in Honour of Loris Shano Russell, edited by Churcher, C. S., p. 26-44.
Dineley, D. L., and Loeffler, E. J., 1976, Ostracoderm faunas of the Delorme and associated Siluro-Devonian Formations North West Territories Canada: Special Papers in Paleontology, n. 18, p. 1-214.
Eastman, C. R., 1917, Fossil fishes in the collection of the United States National Museum Smithsonian Institute: Proceedings of the United States National Museum, v. 52, p. 235-304.
Egerton, P. M. G., 1857, Palichthyologic notes. 9. On some fish remains from the neighborhood of Ludlow: Quarterly Journal of the Geological Society of London, v. 13, p. 282-291.
Eichwald, E., 1844, Uber die fische des devonischen systems in der gegend von Pawlowsk: Bull. Soc. Impr. Nat. Moscouw, v. 17, p. 824-843.
Eichwald, C. E. von, 1854, Die Grauwackenschichten von Liev- und Esthland : Bull. Soc. Impr. Natur., Moscow, v. 27, p. 1-111.
Elliott, D. K., 1983, New Pteraspididae (Agnatha, Heterostraci) from the Lower Devonian of Northwest Territories, Canada: Journal of Vertebrate Paleontology, v. 2, n. 4, p. 389-406.
Elliott, D. K., 1984, A new subfamily of Pteraspididae (Agnatha, Heterostraci) from the Upper Silurian and Lower Devonian of Arctic Canada : Palaeontology, v. 27, p. 169-179.
Elliott, D. K., 2016, The Boothiaspidinae, a new agnathan subfamily (Heterostraci, Cyathaspididae) from the Late Silurian and Early Devonian of the western United States and the Canadian Artic: Journal of Paleontology, published online, 13pp.
Elliott, D. K., and Dineley, D. L., 1983, New Species of Protopteraspis (Agnatha, Heterostraci) from the (?) Upper Silurian to Lower Devonian of Northwest Territories, Canada: Journal of Paleontology, v. 57, n. 3, p. 474-494.
Elliott, D. K., and Dineley, D. L., 1985, A New heterostrachan from the Upper Silurian of Northwest Territories, Canada: Journal of Vertebrate Paleontology, v. 5, n. 2, p. 103-110.
Elliott, D. K., Dineley, D. L., and Johnson, H. G., 2000, A vertebrate fauna from the Middle Devonian Yahatinda Formation of southwestern Canada: Journal of Paleontology, v. 74, n. 1, p. 123-132.
Elliott, D. K., Lassiter, L. S., and Blieck, A., 2018, A new species of cyathaspid (Vertebrata: Pteraspidomorphi: Heterostraci) from the Lower Devonian Drake Bay Formation, Prince of Wales Island, Nunavut, Arctic Canada: Estonian Journal of Earth Sciences, v. 67, n. 1, p. 88-95.
Elliott, D. K., Lassiter, L. S., and Blieck, A., 2021, A phylogenetic analysis of the heterostracan jawless vertebrate family Cyathaspididae: Acta Palaeontologica Polonica, v. 66, published online, 10pp.
Elliott, D. K., and Loeffler, E. J., 1989, A new agnathan from the Lower Devonian of Arctic Canada, and a review of the Tessellated Heterostracans: Palaeontology, v. 32, part 4, p. 883-891.
Elliott, D. K., Loeffler, E. J., and Liu, Y., 1988, New Species of the Cyathaspidid Poraspis (Agnatha: Heterostraci) from the Late Silurian and Early Devonian of Northwest Territories, Canada: Journal of Paleontology, v. 72, n. 2, p. 360-370.
Elliott, D. K., Reed, R. C., and Loeffler, J, 2004, A new species of Allocryptaspis (Heterostraci) from the Early Devonian, with comments on the structure of the oral area in cyathaspidids: In: Recent Advances in the Origin and Early Radiation of Vertebrates, edited by Arratia, G,. Wilson, M. V. H., and Cloutier, R., p. 455-472.
Elliott, D. K., Schultze, H.-P., and Blieck, A., 2015, A new pteraspid (Agnatha, Heterostraci) from the Lower Devonian Drake Bay Formation, Price of Wales Island, Nunavut, Arctic Canada, and comments on environmental preferences of Pteraspids: Journal of Vertebrate Paleontology, v. 35, n. 6, 10pp.
Erdtmann B.-D., Weber B., Schultze H.-P., and Egenhoff S., 2000, A possible agnathan plate from the Lower Arenig (Lower Ordovician) of South Bolivia: Journal of Vertebrate Paleontology, v. 20, n. 2, p. 394-399.
Flower, R. H. and Wayland-Smith, R., 1952, Cyathaspid fishes from the Vernon shale of New York: Bulletin of the Museum of Comparative Zoology, v. 107, n. 6, p. 355-387.
Fowler, H. W., 1958, Some new taxonomic names of fishlike vertebrates Natulae Naturae, n. 310, p. 1-16.Fraipont, C., 1907-1908, Description d’un nouveau Pteraspis du gedinnien Belge et not sur un remarquable bouclier ventral de Pteraspis crouchi (Lank) des schistes Taunusiens: Annales de la Societe Geologique de Belgique, p. 3-5.
Friend, P. F., Williams, B P., et al, 1978, Devonian of Scottland, and the Welsh Borderland and Suth Wales: In: Intern. Symp. Devon. System (P.A.D.S., Bristol, 1978), field guide, 106pp.
Gagnier, P.-Y., 1991, Ordovician Vertebrates from Bolivia: In: Suarez-Soruco, R (Ed). Fosiles y Facies de Bolivia, Volume 1 Vertebrados. Revista Tecnica de YPFB, v. 12, n. 3-4, p. 371-379.
Gagnier, P.-Y., Blieck, A. R. M., and Gabriela Rodrigo, S., 1986, First Ordovician Vertebrate from South America: Geobios, n. 19, fasc. 5, p. 629-634.
Gai, Z., Donoghue, P. C. J., Zhu, M,. Janiver, P,. and Stampanoni, M., 2011, Fossil jawless fish from China foreshadows early jawed vertebrate anatomy: Nature, v. 476, p. 324-327.
Gai, Z., Li, Q., Ferron, H. G., Keating, J. N., Wang, J., Donoghue, P. C. J., and Zhu, M., 2022, Galeaspid anatomy and the origin of vertebrate paired appendages: Nature, v. 609, p. 959-963.
Gai, Z., Lu, L., Zhao, W., and Zhu, M,. 2018, New polybranchiaspiform fishes (Agnatha: Galeaspida) from the Middle Palaeozoic of China and thier ecomorphological implicaitons: Public Library of Science (PLOS),One, v. 13, n. 9, pp. 21.
Gai, Z.-K., and Zhu, M., 2005, A new genus of eugaleaspids (Galeaspida, Agnatha) from the Silurian of Anji, Zhejiang, China: Vertebrata PalAsatica, v. 43, n. 3, p. 165-174.
Gai, Z.-K., and Zhu, M., 2007, First discovery of Huananaspidae from the Xishancun Formation (Lochkovian, Devonian) of Yunnan, China: Vertebrata PalAsiatica, v. 45, n. 1, p. 1-12.
Gai, Z.-K., Zhu, M., and Zhao, W.-J., 2005, New material of eugaleaspids from the Silurian of Changxing, Zhejiang, China, with a discussion on the eugaleaspid phylogeny: Vertebrata PalAsaitica, v. 43, n. 1, p. 61-75.
Geinitz, H., 1884, Ueber ein Graptolithen-fuhrende geschiebe mit Cyathaspis von Rostock: Ztschr. Dt. Geol. Ges, v. 36.
Gess, R. W., Coates, M. I., and Rubidge, B. S, 2006, A lamprey from the Devonian period of South Africa: Nature, v. 443 p. 981-984.
Glinskiy, V., 2018, Phylogenetic relationships of psammosteid heterostracans (Pterapidiformes), Devonian jawless vertebrates: Bio. Comm. v. 62, n. 4, pp. 219-243.
Glinskiy, V N., and Nilov, S. P., 2017, A new psammosteid (Agnatha, Heterostraci) from the Amata Regional Stage of the Min Devonian Field and morpho-histological types of discrete micromeric elements in the family Psammosteidae: Estonian Journal of Earth Science, v. 66, n. 2, p. 59-79.
Gross, V., 1933, Die fisches des Baltischen Devons: Palaeontolographica, v. 79a, p. 1-74.
Gross, W., 1933, Die unterdevonischen Fische und Gigantostraken von Overath: In: Zur Stratigraphie, Tektonik und Paleontologie des alten Unterdeons im sudlichen Bergischen Lande, edited by Schriel, W., and Gross, W., Abh. Preuss . Geol. Landesamt, N. F., v. 145, p. 41-77.
Gross, V., 1937, Die wirbeltiere des rheinischen Devons, Teil II: Abh. Preuss. Geol. Landesanst., N. F., v. 176, p. 5-83.
Gross, V., 1942, Die Fischfaunen des baltischen Devons und ihre biostratigraphische bedeutung: Korrespondbl. Naturf.-Vereins, v. 64, p. 373-436.
Guo, X., Wang, S., Gai, Z., Zhao, Z., Ding, X., and Li, T., 2020, The Late Ordovician fish-like animal from Xinjiang: Earth Sciecne Frontiers, v. 27, n. 6, p. 341-346.
Gurich, G., 1891, Uber Placodermen und andere devonische fischereste im Breslauer mineralogischen Museum: Zeitschr. Deutsch. Geol. Ges., v. 43, p. 902-913.
Halstead, L. B., 1993, Agnatha: In: The Fossil Record 2, edited by Benton, M. J., Chapman & Hall, p. 572-581.
Hanke, G. F., and Wilson, M. V. H., 2004, New teleostome fishes and acanthodian systematics: In: Recent advances, in the origin and early radiation of vertebrates, Part 1, Recent advances in early vertebrates, honoring
Hans-Peter Schultze, edited by Arratia, G., Wilson, M. V. H., and Cloutier, R., Verlag Dr. Friedrich Pfeil, p. 189-216. Heintz, N., 1960, The Downtonian and Devonian vertebrates of Spitsbergen, X : two new species of the genus Pteraspis form the Wood Bay Series in Spitsbergen : Norsk Polarinstitutt Skrifter, v. 117, p. 1-13.
Heintz, A., 1962, Les organes olfacties des Heterostraci. In: Problemes Actuels de Paleontologie (Evolutoin des Vertebres): Centre National de La Recherche Scientifique, n. 104, p. 13-29.
Heintz, A., 1967, A new tremataspidid from Ringerike, South Norway: In: Papers on Fossil Vertebrates, edited by Patterson, C., and Greenwood, P. H., The Journal of the Linnean Society of London (Zoology), v. 47, n. 311, p. 55-68.
Hou, X.-G., Aldridge, R. J., Siveter, D. J., Siveter, D. J., and Feng, X-H., 2002, New evidence on the anatomy and phylogeney of the earliest vertebrates: Proceedings of the Royal Society of London, Series B., v. 269, p. 1865-1860.
Huxley, T., and Salter, 1856, Appendix to Banks: On the milestones or Downton Sandstones in the Neighbourhood of Kington and their contents: Quarterly Journal of the Geological Society of London, v. 12.
Ilyes, R. R., and Elliott, D. K., 1994, New Early Devonian Pteraspidids (Agnatha, Heterostrachi) from East-Central Nevada: Journal of Paleontology, v. 68, n. 4, p. 878-892.
Janvier, P., 1975, Anatomie et position systematique des Galeaspides (Vertebrata, Cyclostomata), Cephalaspidomorphes du Devonien inferieur du Yunnan (China): Bulletin du Museum National d’Histoire Naturelle, 3rd series, n. 278, sciences de la Terre 41, p. 1-16.
Janvier, P., 1976, Hildenaspis digitalis nov. gen., nov. sp. (Agnatha, Cephalasidomorphi), Cephalaspidae nouveau du Devonien inferieur d’Allemagne: Geobios, n. 9, fasc. 2, p. 223-225.
Janvier, P., 1981, Norselaspis glacialis n. g. n. sp. Et les relations phylogenetiques entre les Kiaeraspidens (OStraci) du Devonien inferieur du Spitsberg : Palaeovertebrata, v. 11, n. 2-3, p. 19-131.
Janvier, P., 1981, The phylogeny of the Craniata, with particular reference to the significance of fossil “agnathians”: The Journal of Vertebrate Paleontology, v. 1, n. 2, p. 121-159.
Janvier, P., 1985, Les Cephalaspides du Spitsberg: Cahiers de Paleontologie, section vertebras, 244pp.
Janvier, P., and Arsenault, M., 2007, The anatomy of Euphanerops longaevus Woodward, 1900, an anaspid-like jawless vertebrate from the Upper Devonian of Miguasha, Quebec, Canada: Geodiversitas, v. 29, n. 1, p. 143-21.
Janvier, P., and Lund, R., 1983, Hardistiella montanensis n. gen. n. sp (Petromyzontida) from the Lower Carboniferous of Montana, with remarks on the affinities of the lampreys: Journal of Vertebrate Paleontology, v. 2, n. 4, p. 407-413.
Janvier, P., and Phuong, T. H., 1999, Les vertebres (Placodermi, Galeaspida) du Devonian inferieur de la coupe de Lung Co-Mia Le, province de Ha Giang, Viet Nam, avec des donnees complementaires dur les gisements a vertebres du Devonien du Bac Bo oriental : Geodiversitas, v. 21, n. 1, p. 33-67.
Janvier, P., Thanh, T.-D., and Phuong, T.-H., 1993, A new early Devonian Galeaspid from the Bac Thai Province, Vietnam: Palaeontology, v. 36, part 2, p. 297-309.
Janvier, P., Thanh, T.-D., Phuong, T. H., Clement, G., and Phong, N D., 2009, Ocurrence of Sanqiaspis, Liu, 1975 (Vertebrata, Galeaspida) in the Lower Devonian of Vietnam, with remarks on the anatomy and systematics of the Sanqiaspididae: Comptes Rendus Palevol, v. 8, p. 59-65.
Jaekel, O., 1919, Die Maundilbdung der Placoderme : Sitzber. Ges. Naturf. Freud. Berlin, v. 3, p. 73-110.
Jaekel, O., 1927, Der Kopf der Wirbeltiere, Munich, p. 815-974.
Karatajute-Talimaa, V. N., 1978, Silurian and Devonian Thelodonts of the U.S.S.R. and Spitsbergen. Dept. Geol. Council Min. Lithuan. SSR. Lityhuan Sc. Res. Geol. Surv. Instit. Mosklas edit. Vilnius, 334ppp.
Karatajute-Talimaa, V., and Smith, M. M., 2004, Tesakoviaspis concentrica: microskeletal remains of a new order of vertebrate from the Upper Ordovician and Lower Silurian of Siberia: In: Recent advances, in the origin and early radiation of vertebrates, Part 1, Recent advances in early vertebrates, honoring Hans-Peter Schultze, edited by Arratia, G., Wilson, M. V. H., and Cloutier, R., Verlag Dr. Friedrich Pfeil, p. 53-64.
Keating, J. H., Sanson, R. S., and Purnell, M. A., 2012, A new osteostracan fauna from the Devonian of the Welsh borderlands and observations on the taxonomy and growth of osteostraci: Journal of Vertebrate Paleontology, v. 32, n. 5; 1002-1017.
Kiaer, J., 1911, A new Downtonian fauna in the sandstone series of the Kristiania area: Skr. Vidensk. Selsk., I. Mat. Naturvidenskap., KL, v. 7, p. 1-22.
Kiaer, J., 1915, Upper Devonian Fish remains from Ellesmere Land, with remarks on Drepanaspis: Rept. 2nd Norg. Arct. Exped. “Fran” 1899-1902, v. 33, p. 1-72.
Kiaer, J., 1916, The Downtonian and Devonian vertebrates of Spitsbergen. IV. Suborder Cyathaspida: Skr. Svalbard. Ishavet. V. 52, p. 7-26.
Kiaer, J., 1928, The structure of the mouth of the oldest known vertebrates, Pteraspids and Cephalaspids : Palaeobiologica, v. 1, p. 117-134.
Kiaer, J., 1930, Ctenaspis, a new genus of cynathaspidian fishies. A preliminary report: Skr. Svalb. Ishavet, v. 33, n. 1-7.
Kiaer, J., 1932, The Downtonian and Devonian vertebrates of Spitsbergen, IV: suborder Cyathaspida: Skrifter om Svalbard og Ishavet, v. 52, p. 1-26.
Kossovoy, L. S., and Obruchev, D. V., 1062, The Lower Devonian in Northern Timan: Dokl. Akad. Nauk, SSR Earth Sci, v. 147, p. 106-108.
Kunth, A., 1872, Ueber Pteraspis: Ztschr. Dt. Geol. Ges., BC 24, pl. 1-8.
Lankester, E. R., 1965, On the species of the genus Pteraspis : Report of the British Association for the Advancement of Science, Transactions, Section, p. 58.
Lankester, E. R., 1867, On Didymaspis, a new genus of Cephalaspidian fishes : Geological Magazine, v. 4, p. 152-154.
Lankester, E. R., 1868-1870, The Cephalaspidae : In : A monograph of the Fishes of the Old Red Sandstone of Britain, edited by Powrie, J,. and Lankester, E. R., Palaeontolographical Society, 62pp.
Lankester, E. R., 1884, Report on fragments of fossil fishes from the Palaeozoic strata of Spitsbergen: Kongliga Sevnska Vetenskaps-Akademiens Handlinger, v. 20, n. 1, p. 1-6.
Leiriche, M., 1924, Les Pteraspis du Devonian de la Belgique : Bull. Soc. Belge Geol. Pal. Hydr., v. 33, p. 143-159.
Leriche, M, 1926, Deuxieme note complementaire sur les “Pteraspis” du Wiheries (P. dunensis F. Roemer): Bull. Soc. Geoge Geol. Pal. Hydr. V. 35, p. 19-29.
Liu, H., 1975, Lower Devonian agnathans of Yunnan and Sichuan: Vertebrata PalAsiatica, v. 13, n. 4, p. 202-216.
Liu, Y.-H, Zhu, M., Lin, X.-H., Lu, L.-W., and Gai, Z.-K., 2019, A reapprasial of the Silurian galeaspids (Stem-Gnathostomata) from Tarim Basin, Xinjiang: Vertebrata PalAsiatica, v. 57, n. 4, p. 253-273.
Liu, S. F., 1983, Agnatha form Sichuan, China: Vertebrata PalAsiatica, v. 21, n. 2, p. 97-102.
Liu, S. F., 1986, Fossil eugaleaspid from Guangxi: Vertebrata PalAsiatica, v. 24, n. 1, p. 1-9.
Liu, S. F., 1986, Fossil galespids from Gaungxi, China : Vertebrata PalAsiatica, v. 24, n. 1, p. 97-102.
Liu, S. F., 1983, Agnathan from Sichuan, China: Vertebrata Palasiatica, v. 21, n. 2, p. 97-102.
Liu, Y. H., 1965, New Devonian agnathans from Yunnan: Vertebrata PalAsiatica, v. 9, n. 2, p. 125-134.
Liu, Y., 1980, A nomenclatural note on Eugalaspis for Galeaspis Liu, 1965; Eugaleaspidae for Galeaspidae Liu, 1965; Eugaleaspidiformes for Galeaspidiformes Liu, 1965: Vertebrata PalAsiatica, v. 18, n. 3, p.
Liu, Y., 1985, A Galeaspid (Agnatha), Antiquisagaittaspis cornuta gen. sp nov., from the Lower Devonian of Guangxi, China: Vertebrata PalAsitacia, v. 23, n. 4, p. 247-254.
Liu, Y.-H., Gai, Z.-K., and Zhu, M., 2017, New findings of galeaspids (Agnatha) from the Lower Devonian of Qujing, Yunnan, China: Verebrata PalAsitacia, published online, 15pp.
Liu, Y.-H, Zhu, M., Lin, X.-H., Lu, L.-W., and Gai, Z.-K., 2019, A reapprasial of the Silurian galeaspids (Stem-Gnathostomata) from Tarim Basin, Xinjiang: Vertebrata PalAsiatica, published online, 22pp.
Liu, Y.-H, Zhu, M., Lin, X.-H., Lu, L.-W., and Gai, Z.-K., 2019, A reapprasial of the Silurian galeaspids (Stem-Gnathostomata) from Tarim Basin, Xinjiang: Vertebrata PalAsiatica, v. 57, n. 4, p. 253-273.
Loeffler, E. J., and Dineley, D. L., 1976, A new species of Corvaspis (Agnatha, Heterostraci) from the Upper Silurian to Lower or Middle Deonian of the North-west Territories, Canada: Palaeontology, v. 19, part 4, p. 757-766.
Loeffler, E. J., and Thomas, R. G., 1980, A new Pteraspidid Ostracoderm from the Devonian Senni Beds Formation of South Wales and its stratigraphic significance: Palaeontology, v. 23, part 2, p. 35-36.
Lyarskaya, L. A., 1981, Cefalaspidi: In: Devon i Karbon Pribaltiki’ (The Devonian and Carboniferous of the Baltic, edited by Sorokin, V. S., Lyarskaya, L. A., and Savvantova, L. S., p. 437-440.
Malkani, M. S., 2021, Formal description of Mesozoic and Cenozoic biotas found from Pakistan: Open Journal of Geology, v. 11, p. 411-455.
Mark, E., 1956, On the genus Pycnosteus (Psammosteidae, Agnatha): Ensv. Teoduste Akad. Geol. Inst. Uurimused, v. 1, p. 74-88.
Mark-Kurik, E., 1974, Discovery of new Devonian fish localities in the Soviet Artict: Eesti NSV Tead. Akad. Tolmet, 26, K. Geol. 2, p. 143-149.
Mark-Kurik, E., and Janvier, P., 1997, A new tremataspidid (Vertebrata, Osteostraci, Thyestiida) from the Devonian of northern Urals, with remarks on tannuaspidids: Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, v. 206, n. 3, p. 405-421.
Märss, T., 2002, Silurian and Lower Devonian anaspids (Agnatha) from Severnaya Zemlya (Russia): Geodiversitas, v. 24, n. 1, p. 123-137.
Märss, T., 2019, Silurian cyathaspidid heterostracans of Northern Eurasia: Estonian Journal of Earth Sciences, v. 68, n 3, p. 113-146.
Märss, T., and Karatajute-Talimaa, V., 2009, Late Silurian-Early Devonian tessellate heterostracan Oniscolepis Pander, 1856 from the East Baltic and North Timan: EstonianJounral of Earth Science, v. 58, n. 1, p. 43-62.
Matthew, G., 1887, A preliminary notice of a new genus of Silurian Fishes: Bull. Nat. HIst. Soc. New Brunswick, 1887, v. 6, p. 69-73.
McCoy, F., 1848, On some new fossil fish from the Carboniferous Period: Ann. Mag. Nat. Hist., series 2, n. 2, p. 1-10.
McCoy, F., 1851, On some new Devonian fossils: Ann. Mag. Nat. Hist, Series 2, v. 8, p. 481-489.
Moloshnikov, S. V., 2009a, Oredezhosteus, a new psammosteid genus (Heterostraci, Psammosteiformes) from the Lower Frasnian (Upper Devonian) of the Main Devonian Field: Palaeontological Journal, v. 43, n. 2, p. 197-200.
Moloshnikov, S. V., 2009b, A new species of Psammosteiform Heterostracan (Agnatha) from the Givetian (Middle Devonian) of the Voronezh Region: Paleontological Journal, v. 43, n. 3, p. 306-310.
Newman, M. J., 2002, A new naked jawless vertebrate from the Middle Devonian of Scotland: Palaeontology, v. 45, part 5, p. 933-941.
Newman, M. J., and Trewin, N. H., 2001, A new jawless vertebrate from the Middle Devonain of Scotland: Palaeontology, v. 44, part 1, p. 43-51.
Novitskaya, L. I., 1970, Late Silurian Archegonaspis (Agnatha) on Vagach Island: Palaeontological Journal, v. 4, n. 3, p. 388-396.
Novitskaya, L. I., 1971, Les Amphiaspedes (Heterostraci) du Devonien de la Siberie: Cah. PAleont. CNRSed., 130pp.
Novitskaya, L. I., 1972, Phylogenetic relationships of Poraspids (Heterostraci): Palaeontological Journal, v. 6, n. 3, p. 382-388.
Novitskaya, L. I., 1973, Liliaspis-ein poraspide aus dem unterdevon des Urals und eingie phylogenie der poraspiden (Agnatha): Palaeontographica, Abt. A. ,v. 143, Lfg, 106, p. 25-34.
Novitskaya, L. I., 1975, A contribution to the revision of the Devonian Pteraspids of Podolia: Palaeontological Journal, v. 9, n. 4, p. 494-504.
Novitskaya, L., 1873, La morphologie des agnathes fossils: les heterostraces et le problems des relations des vertebras Agnathes et Gnathostomes: Acad. Sci. URSS <<Nauka>>, 183p.
Novitskaya, L. I., and Karatajute-Talimaa, V. N., 1989, A new Amphiaspid (Heterostraci) from the Lower Devonian of the Taymyr Pennisula: Palaeontological Journal, v. 22, n. 3, p. 110-114.
Novitskaya, L. I., Karatajute-Talimaa, V. N., and Yur’yeva, Z. P., 1995, Paraliliaspis, a new Cyathaspid genus (Cyathaspidformes, Agnatha) from the Lower Devonian of the Timan-Pechora Province: Paleontological Journal, v. 28, n. 3, p. 116-127.
Obruchev, D., 1935, Section along the Velikaia River, ner the town of Pskov: In: Deposits of the Main Devonian Field, Trans. Leningrad Geol. Hydrogeal. Geol. Trans. , v. 9, p. 1-82.
Obruchev, D., 1936, Two new armoured fishes in the U.S.S.R.: PRiroda, 1936, n. 3, p. 118-119.
Obruchev, D. V., 1938, Vertebrata aus dem Obersilur und Devon des Urals : Materialy Ts NIGRI, Obshchaya Seriya, v. 2, p. 36-43.
Obruchev, D. V., 1940, On some Psammosteids from the Leningrad and Baltic Middle Devonian: C. R. Acad. Sci. URSS., v. 28, p. 766-768.
Obruchev, D. V., 1941, Remains of Aspidosteus gen. nov. (Heterostraci) from the Upper Devonian of River Lovat: Trav. Inst. Pal. Acad. Sci. URSS, v. 8, n. 4, p. 7-22.
Obruchev, D., 1943, Yoglinia n. g. latest pteraspid, from the Middle Devonian of the Leningrad District: C. R. Acad. Sci. URSS, v. 41, p. 41-43.
Obruchev, D. V., 1947, On the genus Psammosteus (Heterostraci): C. R. Acad. Sci. URSS, v. 56, p. 517-520.
Obrouchev, D. V., 1956, Cephalaspides du Devonien Inferieur de Tuva : Tam. Zh., v. 106, n. 5, p. 917-919.
Obruchev, D. V., 1958, On the biostratigraphy of the Lowe rand Middle Palaeozoic Ichthyofaunas of the USSR : Sov. Geol. V. 11, p. 40-53.
Obruchev, D. V., 1961, Classe Ostracodermi : In : Biostratigraphie du PAleozoique des Monts Saian-Altai, 2. Tyrd. S.N.I.I.G.G.I.M.S., Moscow, v 20, p. 560-561.
Obruchev, D. V., 1964, Subclass Heterostraci [Pteraspides] : In : Fundamentals of Paleontology, I. A. 11, Agatha and Pisces, edited by Orlov, J. A., p. 45-82.
Obruchev, D. V., 1964, Classe Monorhina (Cephalaspidomorph) : In : Oznovii Paleontologii, edited by Orlov, Y. A., v. 11, p. 80-101.
Obruchev, D. V., and Karatajute-Talimaa, V. N., 1967, Vertebrate faunas and correlation of the Ludlovian-Lower Devonian in eastern Europe : In : Fossil Vertebrates, Edited by Patterson, C., and Greenwood, P. H., Journal of the Linnean Society of London, v. 47,m n. 311, p. 5-14.
Obruchev, D. V., and Mark-Kurik, E., 1965, Devonian Psammosteids (Agnatha, Psammosteidae) of the USSR: Tallinn.
Ørvig, T., 1957, notes on some Palaeozoic vertebrates from Spitsbergen and North America: Norsk geol. Tidskr., v. 37, p. 285-353.
Ørvig, T., 1958, Pycnaspis splendens, new genus, new species, a new ostracoderm from the Upper Ordovician of North America: Proceedings of the United States National Museum, v. 108, 23pp.
Ørvig, T., 1961, Notes on some early prepresentatives of the Drepanaspida (Pteraspidomorphi, Heterostraci): Arkiv for Zoologi, v. 2, n. 12 (33): 515-535.
Pan, J., 1992, New galeaspids (Agnatha) from the Silurian and Devonian of China: Geological Publishing House, 86pp.
Pan, J., and Chen, L., 1993, Geraspididae, a new family of Polybranchiaspidida (Agantha) from Silurian of Northern Anhui: Vertebrata PalAsiatica, v. 31, n. 3, p. 225-230.
Pan, K., and Wang., S. T., 1978, Devonian agnatha and pisces of South China: In: Symposium on the Devonian System of South China: P. 299-333.
Pan, J., and Wang, S. T., 1980, New findings of galeaspidiformes in South China: Acta Palaeontologica Sinica, v. 19, n. 1, p. 1-7.
Pan, J., and Wang, S., 1981, New discoveries of Polybranchiaspisids from Yunnan Province: Vertebrata PalAsiatica, v. 19, n. 2, p. 113-121.
Pan, J., and Wang, S., 1982, A nomenclatural note on Duyonolepis for Duyunaspis P’an et Wang, 1978: Vertebrata PalAsiatica, v. 20, n. 4, p.
Pan, K., and Wang, S. T., 1983, Xiushuiaspidae, a new family of Polybranchiaspiformes from Xiushui of Jiangxi Province: Acta Palaeontologica Sinica, v. 22, n. 5, p. 505-509.
Pan, J., and Zeng, X., 1985, Dayongaspidae, a new family of Polybranchiaspiformes (Agnatha) from early Silurian of Hunan, China: Vertebrata PalAsitacia, v. 23, n. 3, p. 27-213.
Pander, C. H., 1856, Monographie der Fossilen Fische des silurischen Systems der Russich-Baltischen Gouvernements, St. Petersburg, 96pp.
Patten, W., 1903, On the structure and classification of the Tremataspidae: Mem. Acad. Sci. St. Petersbourg (Clas. Phys. Mat.), v. 13, n. 5, p. 1-33.
Patten, W., 1931, New ostracoderms from Osel: Science, v. 73, p. 671-673.
Pernegre, V. N., (2002) 2003, The genus Doryaspis White (Heterostraci) from the Lower Devonian of Vestspitsbergen, Svalbard: Journal of Vertebrate Paleontology, v. 22, n. 4, p. 735-746.
Pernegre, V. N., 2003, Un nouveau genre de Pteraspidiformes (Vertebrata, Heterostraci) de la Formation de Wood Bay (Devonien inferieur, Spitsberg): Geodiversitas, v. 25, n. 2, p. 261-272.
Pernegre, V. N., 2004, Xylaspis n. nov., a new name for Spitsbergaspis Pernegre, 2003, not Spitsbergaspis Pribly & Vanek, 1980: Geodiversitas, v. 26, n. 1, p. 157.
Pernegre, V. N., 2005, Description of a new species and morpho-functional analysis of the genus Doryaspis White (Heterostraci) from the Devonian of Spitsbergen: Geobios, v. 38, p. 257-268.
Pernegre, V., 2006, Un nouveau pteraspidiforme (vertebrata, heterostraci) du Devonien inferieur du Spitsberg: nouvelles donnees paleo-ontogeniques: Geodiversitas v, 28, n. 3, p. 239-248.
Pernegre, V., and Goujet, D., 2007, The genus Gigantaspis Heintz, 1962 (Vertebrata, Heterostraci) from the Lower Devonian of Spitsbergen: Palaeontology, v. 50, part 2, p.323-346.
Poplin, C., Sotty, D., and Janvier, P., 2001, Un myxinoide (Craniata, Hyperotreti) dans le Konservat-Lagerstatte Carbonifere superieur de Montceau-les-Mines (Allier, France): C. R. Acad. Sci. Paris, Sciences de la Terre et des Plantes, v. 332, p. 345-350.
Powrie, J., 1863, Note on Pteraspis : Geologist, v. 6, p. 67-69.
Powrie, J., 1864, The Scottish Pteraspis, : Geologist, v. 7, p. 170-172.
Preobrajensky, I. A., 1911, On some representatives of the family Psamosteidae: Stizber. Naturf. Ges., v. 19, p. 21-36.
Ritchie, A., 1964, New light on the morphology of the Norwegian Anaspida: Skrifter utgitt av det Norske Videnskaps-Akademi, 1, Mathematisk-Naturwividenskapslige Klasse, v. 14, p. 1-35.
Ritchie, A., 1908, The Late Silurian Anaspid genus Rhyncholepis from Oesel, Estonia, and Ringerike, Norway: American Museum Novitates, n. 2699, p. 1-18.
Ritchie A., and Gilbert-Tomlinson, J., 1977, First Ordovician Vertebrates from the Southern Hemisphere: Alcheringa, v. 1, p. 351-368.
Robertson, G. M., 1935, The Ostracoderm genus Dartmuthia Patten: American Journal of Science, v. 29, n. 172, p. 323-335.
Robertson, G. M., 1935, Oeselaspis, a new genus of Ostracoderm: American Journal of Science, v.29, n. 173, p. 453-461.
Robertson, G. M., 1936, New Cephalaspids from Canada: American Journal of Science, v. 31, n. 184, p. 288-295.
Robertson, G. M., 1937, A new Cephalaspis from the Upper Devonian of Canada: Proceedings of the New England Zoological Club, v. 16, p. 85-88.
Robertson, G. M., 1937, The Tremataspidae, Part 1: American Journal of Science, v. 35, n. 207, p. 172-206.
Robertson, G. M., 1938, The Tremataspidae, Part 2: American Journal of Science, v. 35, n. 208, p. 273-293.
Robertson, G. M., 1938, New genera of Ostracoderms from the Upper Silurian of Oesel: Journal of Paleontology, v. 12, n. 5, p. 486-493.
Robertson, G. M., 1941, The Ostracoderm order Anaspida, with description of some Upper Silurian material: Transactions of the Kansas Academy of Science, v. 44, p. 314-317.
Robertson, G. M., 1945, Saarolepis, new name for Anaspis Robertson, 1941: Journal of Paleontology, v. 19, n. 1, p. 77.
Roemer, F., 1855, Palaeoteuthis, eine gattung nackter Cephalopoden aus Devonischen Schichten der Eifel : Palaeontoographica, v. 4, p. 72-74.
Rohon, J. V., 1892, Die obersilurischen fische von Oesel. 1. Thyestidaeun Tremataspidae: Mem. Acad. Imp. Sci. St. Peterbourg, v. 38, n. 13, p. 1-88.
Rohon, J., 1893, Die obersilurischen fische von Oesel. II. T. Selachii, Dipnoi, Ganoidei, Pteraspidae und Cephalaspidae: Mem. Acad. Sci. St. Petersbourg, (7), v. 41, n. 5, p. 1-124.
Rohon, J. V., 1899, Die devonischen fische von Timan in Russland: Sitz. K. Bohm. Ges. Wiss. Math.-Nat, Cl., v. 8, p. 1-77.
Rohon, J. V., 1901, Beitrage zur anatomie und histology der Psammosteiden: Sitz. K. bohm. Ges. Wiss., Math. –nat. Cl, v. 8, p. 1-31.
Ruedemann, R., 1916, Paleontological contributions from the New York State Museum. Spathiocaris and the Discinocarina: Bull. New York State Museum, v. 189, p. 98-112.
Ruzicka, R., 1929, Psammosteus (Ganosteus) perneri n. sp : Vest. Stat. Geol. Ceskosi, Republ, v. 5, p. 166-171.
Sansom, R. S., 2009, Phylogeny, classification and character polarity of the Osteostraci (Vertebrata): Journal of Systematic Palaeontology, v. 7, n. 1, p. 95-115.
Sansom, I. J., and Smith, M. P., 2004, Late Ordovician vertebrates from the Bighorn Mountains of Wyoming, USA: Palaeontology, v. 48, part 1, p. 31-48.
Schallreuter, R., 1983, Vertebratenreste aus einem unterordovizischen Geschiebe: Neues Jahrbuch für Geologie und Paläontologie Monatschefte, heft 2, p. 1101-112.
Schulter, C., 1887, Uber Panzerfische und legte neue arten asu dem Rheinisch-Westfalischen Devon vor : Verh. Naturh. Ver. Preuss. Rheinl. Westf : (NAturwiss. Sect)., Sitz, v. 44,p. 120-128.
Schmidt, W., 1959, Grudlagen einer Pteraspiden-Stratigraphieim Unterdevon der Rheinschen Geosynclinale: Fortschr. Geol. Rheinl. U. westfal, v. 5, p. 1-82.
Shan, X.-R., Lin, X.-H., Zhang, Y.-M., Tong, X.-T., and Gai, Z.-K., 2023, New findings of Xiyuichthys (Xiushuiaspidae, Galeaspida) from the Silurian of Jiangxi Province and Tarim Basin: Vertebrata Palasiatica,publihsed online, 16pp.
Shan, X., Zhou, M., Zhao, W., Pan, Z., Wang, P., and Gai, Z., 2020, A new genus of sinogaleaspids (Galeaspida, stem-Gnathostomata) from the Silurian Period in Jiangxi, China: Peer J., 8:e9008 http://doi.org/10.7717/peerj.9008, 22pp.
Shu, D.-G., Luo, H.-L., Morri,s S. C., Zhang, X.-L., Hu, S.-X., Chen, L., Han, J,. Zhu, M., Li, Y., and Chen, L.-Z., Lower Cambrian vertebrates from south China: Nature, v. 402, p. 42-46.
Siemiradzki, J. von, 1906, Die palaozoischen Gebilde Podoliens (I. Teil): Beitr. Palaont. Geol. Ostrreich-Ungerns und der Orients, v. 19, n. 2-3, p. 173-212.
Siemiradzki, J. von, 1906, Die palaozoischen Gebilde Podoliens (II. Teil): Beitr. PAlaont. Geol. Osterreich-Ungarns und des Orientz, v. 19, n. 2-3, p. 313-286.
Smith, J. C., 1956, A note on the axial skeleton of the Anaspid Pharyngolepis sp: Arkiv for Zoologi, v. 9, p. 573-577.
Soehn, K. L., and Wilson, M. H. V., 1990, A complete, articulated heterostracan from Wenlockian (Silurian) beds of the Delorme Group, Mackenzie Mountians, Northwest Territories, Canada: Journal of Vertebrate Paleontology, v. 10, n. 4, p. 405-419.
Stensio, E. A., 1927, The Downtonian and Dittonian vertebrates of Spitsbergen. 1. Family: Cephalaspididae: Skr. Svalbard Ishavet, v. 12, p. 1-391.
Stensio, E. A., 1932, The Cephalaspids of Great Britain: British Museum (Natural History), London, 220pp.
Stensio, E. A., 1939, A new anaspid from the Upper Devoniain of Scaumenac Bay in Canada, with remarks on the other anaspids: Kungliga Svenska Vertenskaps-Akademiens Handlinger, v. 18, p. 1-25.
Stensio, E. A., 1958, Les cyclostomes fossils ou Ostracoderms: In: Grasse (P. P), Traite de Zooligie, v. 13, n. 1, p. 173-425.
Stensio, E. A., 1964, Les Cyclostomes fossils ou Ostracodermes: In: Traite de Paleontologie, v. 4, n. 1, Edited by Piveteau, J., p. 173-425.
Strand, 1934, New record within addenda and corrigenda: Folia zool. Hydrobiologie, v. 4, p. 732.
Tarlo., L. B., 1961, Psammosteids from the Middle and Upper Devonian of Scotland: Quarterly journal of the Geological Society, v. 117, p. 193-217.
Tarlo, L. B., 1961, Rhinopteraspis cornubica McCoy, with notes on the classification and evolution of the Pteraspids: Acta Palaeontologica Polonica, v. 6, n. 4, p. 367-400.
Tarlo, L. B. H, 1964, Psammosteiformes (Agnatha) – a review with description of new material from the Lower Devonian of Poland, I. General part: Palaeontologia Polonica, n. 13, 1-135.
Tarlo, L. B. H, 1965, Psammosteiformes (Agnatha) – a review with description of new material from the Lower Devonian of Poland, II. Systematic Part: Palaeontologia Polonica, n. 15, 1-168.
Tinn, O., and Marss, T., 2018, The earliest osteostracan Kalanaspis delectabilis gen. et sp. nov. from the Mid-Aeronian (Mid-Llandovery, Lower Silurian) of Estonia: Journa of Vertebrate Paleontology, v. 38. n. 1, e1425212, 8pp
Traquair, R. H., 1894, On Psammosteus taylori, a new fossil fish from teh Upper Old Red Sandstone of Morayshire : Ann. Scott. Nat. Hist. V. 3, p. 225-226.
Traquair, R. H., 1897, Additional notes on the fossil fishes of the Upper Old Red Sandstone of the Moray Firth area: Proc. Roy. Phys. Soc. Edinb., v. 40, p. 723-385.
Traquair, R. H., 1898, Notes on Paleozoic Fishes, n. 11: Annals & Magazine of Natural History, series 7, v. 11, p. 67-70.
Traquair, R. H., 1899, Report on fossil fishes collected by the geological survey of Scotland in the Silurian rocks of the South of Scotland : Trans. Roy. Soc. Edinburgh, v. 39, p. 827-864.
Traquair, R. H., 1890, Notes on the Devonian fishes of Scaumenac Bay in Canada, no. 1 : Geological Magazine, v. 7, p. 15-22.
Traquair, R. H., 1893, Notes on teh Devoniain Fishes of Campbellton and Sacaumenac Bay in Canada, no. 2 : Geological Magazine, v. 10, p. 145-149.
Trautschold, H., 1889, Uber Dendrodus und Coccosteus: Verh. Russ. Min. Ges. St. Petersburg, Series 2, v. 5, p. 139-156.
Wangsjo, G., 1952, The Downtonian and Devonian vertebrates of Spitsbergen. 9. Morphologic and systematic studies of the Spitsbergen cephalaspids. Result of Th. Vogt’s Expedition 1928 and the English-Norwegian-Swedish Expedition in 1939: Norsk Polarinst. Skr., v. 97, p. 1-611.
Walcott, C. D., 1892, Preliminary notes of the discovery of a vertebrate fauna in Silurian (Ordovician) strata: Bulletin of the Geological Society of America, v. 3, p. 153-172.
Wang, J., Fan, J., and Zhu, M., 1996, Early vertebrate fossils from the Early Devonian of Zhaotong District, northeastern Yunnan: Vertebrata PalAsiatica, v. 34, n. 1, p. 1-17.
Wang, J., and Wang, N.-Z., 1992, Early Devonian Galeaspid Agnatha from Southeast of Yunnan, China: Vertebrata PalAstica, v. 30, n. 3, p. 185-194.
Wang, J., and Zhu, M., 1994, Zhaotongaspis janvieri gen. et sp. nov., a galeaspid from Early Devonian of Zhaotong, Northeastern Yunnan: Vertebrata PalAsiatica, v. 32, n. 4, p. 231-243.
Wang, J.-Q., Gai, Z.-K., and Zhu, M., 2005, A new species of Macrothyraspis (Galeapsida, Agnatha) from Wenshan, Yunnan, China: Vertebrata PalAsiatica, v. 43, n. 4, p. 304-311.
Wang, J.-Q., Wang, N.-Z., Zhang, G.-R., Wang, S.-T., and Zhu, M., 2002, Agnathans from Llandovery (Silurian) of Kalpin, Xinjiang, China: Vertebratea PalAsiatica, v. 40, n. 4, p. 245-256.
Wang, S.-T., and Lan, C. H., 1984, New discovery of polybranchiaspids from Yiliang County, northeast Yunnan Province: Bull. Geol. Inst, v. 9, p. 113-120.
Wang, S.-T., Wang, J.-Q., Wang, N.-Z., and Zhang, Z.-X., 2001, A new genus of Galeaspida from the Late Early Devonian of Eastern Guangxi, South China: Vertebrata PalAsiatica, v. 39, n. 3, p. 157-167.
Wang, S-T., Wang, J.-Q., Wang, N.-Z., and Zhang, Z.-X., 2002, Lopadaspis, new name for Discaspis Wang et al, 2001: Vertebrata PalAsiatica, v. 40, n. 3, p. 176.
Wang, N. Z., 1991, Two new Silurian galaspids (Jawless Craniates) from Zhejiang Province, China, with a discussion of galeaspid-Gnathostome relationships : Early Vertebrates and related Problems of Evolutionary Biology, edited by Chang, M-M., Liu, Y.-H., and Zhang, G.-R., p. 41-59.
Wang, N.-Z., and Wang, J., 1982, On the polybranchiaspid agnatha and the phylogenetical position of polybranchiaspiformes: Vertebrata PalAsiatica, v. 20, n. 2, p. 99-105.
Wang, N.-Z., (Wang N.), and Wang J., 1982, A new agnatha and its sensory systematic variation: Vertebrata PalAsiatica, v. 20, n. 4, p. 276-281.
Wang, S-T., Wang, J.-Q., Wang, N.-Z., and Zhang, Z.-X., 2002, Lopadaspis, new name for Discaspis Wang et al, 2001: Vertebrata PalAsiatica, v. 40, n. 3, p. 176.
Wang, J.-Q., Wang, S.-T., and Zhu, M., 2009, A new galeaspid agnathan from Lower Devonian of Guangzi, China: Vertebrata PalAsiatica, v. 47, n. 3, p. 234-239.
Westoll, T. S., 1944-45, A new cephalaspid fish from the Downtonian of Scotland, with notes on the structure and classification of ostracoderms: Transactions of the Royal Society of Endinburgh, v. 61, part 2, n. 13, p. 341-357.
White, E. I., 1935, The ostracoderm Pteraspis Kner and the relationships of the Agnathous vertebrates : Philisophical Transactions of the Royal Society of London, Series B., n. 527, p. 381-457.
White, E. I., 1938, New Pteraspids from South Wales : Quarterly Journal of the Geological Society of London, v. 94, p. 85-115.
White, E. I., 1946, The genus Phialaspis and the « Psemmosteus limestones » : Quarterly Journal of the Geological Society of London, v. 101, p. 207-242.
White, E. I,. 1946, Jamoytius kerwoodi, a new chordate from the Silurian of Lanarkshire: Geological Magazine, v. 83, p. 89-97.
White, E. I., 1956, Preliminary note on the range of Pteraspis in western Europe : Bull. Inst. Roy. Soc. Nat. Belgique, v. 32, n. 10, p. 1-10.
White, E. I., 1958, Original environment of the Craniates : In : Studies of Fossil Vertebrates, Edited by Westoll, T S., p. 212-234.
White, E. I., 1960, Notes on Pteraspids from Artois and the Ardenne: Institut royal des Sciencs naturelles de Belgique, Bulletin, tomo 36, n. 6, p. 1-16.
White, E. I., 1961, The Old Red Sandstone of Brown Clee Hill and the adjacent area. II : Palaeontology : Bulletin British Museum (Natural History), Geology, v. 5, n. 7, p. 243-310.
White, E. I., 1973, Gorm and growth in Belgicaspis (Heterostraci): Palaeontolgraphcia Abt. A., v. 143, Lfg. 1-6, p. 11-24.
White, E. I., and Toombs, H. A., 1948, Guide to the excursion C16, Vertebrate Paleontology: International Geological Conference 18th Section, Great Britain: 4-14.
White, E. I., and Toombs, H. A., 1983, The Cephalaspids from the Dittonian section at Cwm Mill, near Abergavenny, Gwent: Bulletin of the Natural History Museum of London, (Geology series), v. 37, n. 3, p. 149-171.
Whitely, 1940, The nomenclator zoologicus and some new fish names: Australian Naturalist, v. 10, p. 241-243.
Wills, L. J., 1935, Rare and new ostracoderm fishes from the Downtonian of Shropshire : Transcations of the Royal Society of Edinburgh, v. 54, p. 427-447.
Woodward, A. S., 1891, The Devonian fish-fauna of Spitzbergen: Annals of the Magazine of Natural History, v. 6, n. 7, p. 1-15.
Woodward, A S., 1891, Catalogue of the fossil fishes in the British Museum (Natural History), Part II: Elasmobranchii (Acanthodii), Holocephali, Ichthyodorulites, Ostracodermi, Dipnoi, and Telostomi (Crossoptrygii and Chondrostean Actinopterygii): London, 567pp.
Woodward, A. S., 1900, Notes on fossil fish-remains collected in Spitsbergen by the Swedish Arctic Expedition, 1898: Kongliga Svenska Vetenskaps-Akademiens Handlinger, v. 4, p. 1-7.
Woodward, A. S., 1900, on a new ostracoderm fish (Euphanerops longaevus) from the Upper Devonian of Scaumenac Bay, Quebec, Canada: Magazine of Natural History, series 7, n. 5, p. 416-419.
Woodward, A S., 1934, A new cyathaspidian fish from the Upper Downtonian rocks of Corvedale: Quarterly Journal of the Geological Society of London, v. 90, p. 566-567.
Woodward, A. S., 1947, On a new genus of Birkenia from the Downtonian Formation of Ledbury, Hereforeshire: Annals and Magazine of Natural History, v. 14, p. 876-878.
Wu, F., Janvier, P., and Zhang, C., 2023, The ris of predation in Jurassic lampreys: Nature Communictions, v. 14:6652, 12pp.
Young, G. C., 1997, Ordovician microvertebrate remains from the Amadeus Basin, central Australia: Journal of Vertebrate Paleontology, v. 17, n. 1, p. 1-25.
Zhao, W.-J., Zhu, M., and Jia, L.-T., 2002, New discovery of galeaspids from Early Devonian of Wenshan, Southeastern Yunnan, China: Vertebrata PalAsiatica, v. 40, n. 2, p. 97-113.
Zhao, W.-J., Zhu, M., and Jia, L.-T., 2002, New discovery of galeaspids from Early Devonian of Wenshan, Southeastern Yunnan, China: Vertebrata PalAsiatica, v. 40, n. 2, p. 97-113.
Zhu, M., 1992, Two new Eugalespids, with a discussion on Eugaleaspid phylogeny: Vertebrata PalAstica, v. 30, n. 3, p. 169-184.
Zych, W., 1927, Old-Red Podolski : Prace Oolsk. Inst. Geol., v. 2, n. 1, p. 1-65.
Zych, W., 1931, Fauna ryb Devonii i Downtoni Podola : Lwow, 91pp.