Untitled Document

COHORT: ORNITHISCHIFORMES COOPER, 1985
= COHORT: PHYTODINOSAURIA BAKKER, 1986 (emend)

MAGNORDER: ORNITHISCHIA SEELEY, 1888
= SUPERORDER: ORNITHISCHIA SEELEY, 1888
= COHORT: ORNITHISCHIFORMES COOPER, 1985
= SUPERORDER: PACHYPODOSAURIA
= GENASAURIA SERENO, 1986
= SUBORDER: ORTHOPODA COPE, 1889

Genus: Crosbysaurus HECKERT, 2004
= Crosbysaurus HECKERT, 2001 (nomen nudum)
= Crosbysaurus HECKERT, 2002 (nomen nudum)
C. harrisae HECKERT, 2004 (Type)
= Crosbysaurus harrisae HECKERT, 2001 (nomen nudum)
= Crosbysaurus harrisae HECKERT, 2002 (nomen nudum)
C. sp

Genus: Jeholosaurus XU, WANG & YOU, 2000
J. shangyuanensis XU, WANg & YOU, 2000 (Type)

Genus: Notoceratops TAPIA, 1918 (nomen dubium)
N. bonarellii TAPIA, 1918 (Type)
= Notoceratops bonarelli TAPIA, 1918 (nomen dubium)

Genus: Ponerosteus OLSHEVSKY, 2000 (nomen dubium)
= Procerosaurus FRITSCH, 1905 non HUENE, 1902
P. exogyrarum (FRITISCH, 1905) OLSHEVSKY, 2000 (Type)
= Iguanodon exogyrarum FRITSCH, 1878 emen CHURE & McINTHOSH, 1989 (nomen dubium)
= Iguanodon exogirarum FRITSCH, 1879 (nomen dubium)
= Procerosaurus exogirarum (FRITSCH, 1879) emend Fritsch, 1905 (nomen dubium)
= Iguanodon exogirarus BRINKMANN, 1988 (sic)
= Procerosaurus exogirarus BRINKMANN, 1988 (sic)

Genus: Protecovasaurus HECKERT, 2004
= Protecovasaurus HECKERT, 2001 (nomen nudum)
= Protecovasaurus HECKERT, 2002 (nomen nudum)
P. lucasi (HECKERT, 2001) HECKERT, 2004 (Type)
= Protecovasaurus lucasi HECKERT, 2001 (nomen nudum)
= Protecovasaurus lucasi HECKERT, 2002 (nomen nudum)

Genus: Rhadinosaurus SEELEY, 1881 (nomen dubium)
R. alcimus SEELEY, 1881 (Type)
= Struthiosaurus alcimus (SEELEY, 1881) KUHN, 1964 (nomen dubium)
= Struthiosaurus alcinus KUHN, 1964 (sic)
= Rhadinosaurus alcinus KUHN, 1964 (sic)

Genus: Tecovasaurus HUNT & LUCAS, 1994
T. murryi HUNT & LUCAS, 1994 (Type)
T. sp

Genus: Thecospondylus SEELEY, 1882 (nomen dubium)
T. horneri SEELEY, 1882 (Type)

Genus: Tichosteus COPE 1877 (nomen dubium)
T. lucasanus COPE, 1877 (Type)
T? aequifacies COPE, 1878 (nomen dubium)

ORDER: LESOTHOSAURIA OLSHEVSKY, 1991
= PARAORDER: LESOTHOSAURIA OLSHEVSKY, 1991
= SUBORDER: FABROSAURIA COOPER, 1985
= GRADE: DOLICHOPODA THULBORN, 1973 (partim)

Incertae sedis
= Superfamily: FABROSAUROIDEA Galton, 1972 (sensu Cooper, 1985)
= Family: FABROSAURIDAE Galton, 1972
= Subfamily: NANNOSAURIANE Nopcsa, 1928 (sic)
= Family: NANNOSAURIDAE Marsh, 1878
= Subfamily: NANOSAURINAE Marsh, 1878 (sensu Abel, 1919)

Genus: Alocodon THULBRON, 1973 (nomen dubium in WEISHAMPEL & WITMER, 1990)
A. kuehnei THULBORN, 1973 (Type)
A. sp

Genus: Fabrosaurus GINSBURG, 1964 (nomen dubium in WEISHAMPEL & WITMER, 1990)
= Eabrosaurus ROZHDESTVENSKY, 1974 (sic)
F. australis GINSBURG, 1964 (Type)
F. sp

Genus: Galtonia HUNT & LUCAS, 1994
G. gibbidens (COPE, 1878) HUNT & LUCAS, 1994 (Type)
= Thecodontosaurus gibbidens COPE, 1878 (nomen dubium)

Genus: Nanosaurus MARSH, 1877 (nomen dubium)
= Nannosaurus NOPCSA, 1928 (sic)
N. agilis MARSH, 1877 (Type)

Genus: Trimucrodon THULBORN, 1973 (nomen dubium in WEISHAMPEL & WITMER, 1990)
= Trimurodon GALTON, 1980 (sic)
T. cuneatus THULBORN, 1973 (Type)

Genus: Lesothosaurus GALTON, 1978
L. diagnosticus GALTON, 1978 (Type)
= Fabrosaurus australis THULBORN, 1970
= Lesothosaurus australis NORMAN, 1985 (sic)
L. sp

ORDER: HYPSILOPHODONTIA COOPER, 1983
= SUBORDER: HYPSILOPHODONTIA COOPER, 1985
= SUPERFAMILY: HYPSILOPHODONTOIDEA COOPER, 1985
= GRADE: DOLICHOPODA THULBORN, 1973 (partim)
= Superfamily: KALODONTOIDEA Huene, 1956

Family: HYPSILOPHODONTIDAE Dollo, 1882
= Parafamily: HYPSILOPHODONTIDAE Dollo, 1882 (sensu Olshevsky, 1998)

Incertae sedis? Or new families? (pending further research)
= Family: LAOSAURIDAE MARSH, 1879 (nomen obiltum)
= Subfamily: LAOSAURINAE ABEL, 1919

Genus: Atlascopcosaurus RICH & VICKERS-RICH, 1989
= Atlascoplosaurus HAUBOLD, 1990 (sic)
= Atlascoposaurus WEISHAMPEL & HEINRICH, 1992 (sic)
A. loadsi RICH & VICKERS-RICH, 1989 (Type)
A. Nova RICH & RICH, 1993

Genus: Drinker BAKKER, GALTON, SIEGWARTH & FILLA, 1990
D. nisti BAKKER, GALTON, SIEGWARTH & FILLA, 1990 (Type)

Genus: Fulgurotherium HUENE, 1932 (nomen dubium)
= Fulgotherium WEISHAMPEL & HEINRICH, 1992 (sic)
F. australe HUENE, 1932 (Type)

Genus: Gongbusaurus DONG, ZHOU & ZHANG, 1983
= Eugongbusaurus KNOLL, 1999 (nomen nudum)
Note: This name was used in an abstract in 1999 attributed to Knoll. This abstract was published without his consent and the name is considered invalid (KNOLL pers. comm.)
G. shiyii DONG, ZHOU & ZHANG, 1983 (Type)
G. wucaiwanensis DONG, 1989
= Eugongbusaurus wucaiwanensis (DONG, 1989) KNOLL, 1999 (nomen nudum)

Genus: Hypsilophodon non HUXLEY, 1869
H. wielandi GALTON & JENSEN, 1979 (nomen dubium)

Genus: Laosaurus MARSH, 1878 (nomen dubium)
L. celer MARSH, 1878 (Type)
= Laosaurs aler SAUVAGE, 1880 (sic)
L. sp

Genus: Leaellynasaura RICH & VICKERS-RICH, 1989
= Leaellynasaurus HAUBOLD, 1990 (sic)
L. amicagraphica RICH & VICKERS-RICH, 1989 (Type)

Genus: Notohypsilophodon MARTINEZ, 1998
N. comodorensis MARTINEZ, 1998 (Type)

Genus: Orodromeus HORNER & WEISHAMPEL, 1988
O. makelai HORNER & WEISHAMPEL, 1988 (Type)

Genus: Othnielia GALTON, 1977
= Nanosaurus MARSH, 1877 (partim)
= Othneilia GALTON & POWELL, 1980 (sic)
O. rex (MARSH, 1877) GALTON, 1977 (Type)
= Nanosaurus rex MARSH, 1877
= Laosaurus rex (MARSH, 1877)
= Laosaurus gracilis MARSH, 1878
O. consors (MARSH, 1894)
= Laosaurus consors MARSH, 1894
O. sp

Genus: Parksosaurus STERNBERG, 1937
= Parkosaurus CZERKAS & OLSON, 1987 (sic)
P. warrenae (PARKS, 1926) STERNBERG, 1937 (Type)
= Parksosaurus warreni (PARKS, 1926) STERNBERG, 1937
= Thescelosaurus warreni PARKS, 1926
= Thescelesaurus warreni NOPCSA, 1929 (sic)

Genus: Phyllodon THULBORN, 1973 (nomen dubium in SUES & NORMAN, 1990)
P. henkeli THULBORN, 1973 (Type)
P. sp

Genus: Qantassaurus RICH & VICKERS-RICH, 1999
Q. intrepidus RICH & VICKERS-RICH, 1999 (Type)

Genus: Xiaosaurus DONG & TANG, 1983
= Xiaosaurus DONG, 1983 (nomen nudum)
X. dashanpensis DONG & TANG, 1983 (Type)
= Xiaosaurus dashanpensis DONG, 1983 (nomen nudum)

Genus: Yandusaurus HE, 1979
= Honghesaurus [Anonymous] 1981 (sic)
= Hunhosaurus DONG, ZHOU & ZHANG, 1983 (sic)
= Proyandusaurus KNOLL, 1999 (nomen nudum)
Note: This name was used in an abstract in 1999 attributed to Knoll. This abstract was published without his consent and the name is considered invalid (KNOLL pers. comm.)
= Yubasaruus HE, 1975? (sic)
Y. hongheensis HE, 1979 (Type)
Y. multidens HE & CAI, 1983
= Xiaosaurus multidens PENG, 1992 (sic)
= Agilisaurus (HE & CAI, 1983) PENG, 1990
= Poyandusaurus multidens (HE & CAI, 1983) KNOLL, 1999 (nomen nudum)

Genus: Nova
= Laosaurus minimus GILMORE, 1924
= Othnielia minima (GILMORE, 1924)

Genus: Hypsilophodon HUXLEY, 1869
H. foxii HUXLEY, 1869 (Type)
= Hypsilophodon foxi (HUXLEY, 1869)
= Iguanodon foxi (HUXLEY, 1869
= Camptosaurus valdensis LYDEKKER, 1889 (nomen dubium)
H. sp

Genus: Zephyrosaurus SUES, 1980
= Zephrosaurus KIRKLAND, BRITT, BURGE, CARPENTER, CIFELLI, DECOURTEN, EATON, HASIOTIS & LAWTON, 1997 (sic)
Z. schaffi SUES, 1980 (Type)
Z. sp

ORDER: IGUANODONTIA DOLLO, 1888
= SUBORDER: IGUANODONTIA DOLLO, 1888
= INFRAORDER: IGUANODONTIA DOLLO, 1888
= GRADE: BRACHYPODA THULBORN, 1973 (partim)
= EUIGUANODONTIA CORIA & SALGADO, 1996

?
Genus: Talenkauen NOVAS, CAMBIASO & AMBROSIO, 2004
T. santacrucensis NOVAS, CAMBIASO & AMBROSIO, 2004 (Type)

Genus: Anabisetia CORIA & CALVO, 2002
= Anabisetia CORIA & CALVO in press in CORIA, 1999 (nomen nudum)
A. saldiviai CORIA & CALVO, 2002 (Type)
= Anabisetia saldiviai CORIA & CALVO in press in CORIA, 1999

Genus: Gasparinisaura CORIA & SALGADO, 1996
= Gasparinisaura (nomen nudum) CORIA & SALGADO, 1993
G. cincosaltensis CORIA & SALGADO, 1996 (Type)
G. sp

Family: THESCELOSAURIDAE Sternberg, 1937
= Subfamily: THESCELOSAURINAE Sternberg, 1937

Genus: Bugenasaura GALTON, 1995
B. infernalis GALTON, 1995 (Type)
= Thescelosaurus? garbanii MORRIS, 1976
B. sp

Genus: Thescelosaurus GILMORE, 1913
= Thescelesaurus NOPCSA, 1929 (sic)
= Thescolosaurus HUNT & LUCAS, 1992 (sic)
T. neglectus GILMORE, 1913 (Type)
= Thescelesaurus neglectus NOPSCA, 1929 (sic)
= Thescelosaurus edmontonensis STERNBERG, 1940
T. sp

Genus: Rhabdodon MATHERON, 1869 (nomen conservandum)
= Machlodon GLUT, 1972 (sic)
= Mochlodon SEELEY, 1881
= Oligosaurus SEELEY, 1881 (nomen dubium)
= Onychosaurus NOPCSA, 1902 (nomen dubium)
= Ornithomerus SEELEY, 1881 (nomen dubium)
= Rabdodon MATHERON, 1869 (sic)
= Rhabodon KUHN, 1964 (sic)
R. priscus MATHERON, 1869 (Type)
= Rhabdodon priscum MATHERON, 1869
= Rabdodon priscum MATHERON, 1869 (sic)
= Mochlodon NOPCSA, 1904
= Iguanodon suessi BUNZEL, 1871
= Mochlodon suessi (BUNZEL, 1871) SEELEY, 1881
= Rhabdodon suessi (BUNZEL, 1871) STEEL, 1969
= Iguanodon sp (mantelli) BUNZEL, 1871
= Oligosaurus adelus SEELEY, 1881 (nomen dubium)
= Ornithomerus gracilis SEELEY, 1881 (nomen dubium) (juvenile)
= Camptosaurus inkeyi NOPCSA, 1899
= Mochlodon inkeyi (NOPCSA, 1899)
= Rhabdodon inkeyi (NOPCSA, 1899)
= Rhabdodon robustum var suessi NOPCSA, 1915
R. septimanicus BUFFETAUT & LE LEOUFF, 1991
R. sp

Genus: Zalmoxes Weishampel, Jianu, Csiki & Norman, 2003
Z. robustus (NOPSCA, 1902) Weishampel, Jianu, Csiki & Norman, 2003 (Type)
= Mochlodon robustum NOPSCA, 1902 (partim)
= Rhabdodon robustus NOPCSA, 1915 (partim)
Z. shqiperorum Weishampel, Jianu, Csiki & Norman, 2003

Genus: Tenontosaurus OSTROM, 1970
= Eureodon BROWN vide CHURE & McINTHOSH, 1989 (nomen nudum)
= Tenantosaurus BROWN vide CHURE & McINTHOSH, 1989 (nomen nudum)
Note: The names, Eureodon kaiseni and Tenantosaurus kaiseni, coined in the 1930s by Barnum Brown but never published, appear on American Museum of Natural History file photographs of the “camptosaurid” specimen (AMNH 3034) that is referred to Tenontosaurus in OSTROM, 1970 , the names were published by CHURE & MCINTOSH, 1989 (OLSHEVSKY, 1991)
T. tillettorum OSTROM, 1970 Emend OLSHEVSKY, 1988 (Type)
Note: The specific name of the type species is emended (OLSHEVSKY, 1988) to the genitive plural ending, inasmuch as it is in honor of the entire Tillett family (see OSTROM, 1970)
= Tenotosaurus tilletti OSTROM, 1970
= Eureodon kaiseni BROWN vide CHURE & McINTOSH, 1989 (nomen nudum)
= Tenantosaurus kaiseni BROWN vide CHURE & McINTOSH, 1989 (nomen nudum)
T. dossi WINKLER, MURRY & JACOBS, 1997
T. sp

Family: DRYOSAURIDAE Milner & Norman, 1984
= Subfamily: DRYOSAURINAE Cooper, 1985

Genus: Dryosaurus MARSH, 1894
= Dryopsaurus WEISHAMPEL & HEINRICH, 1992 (sic)
= Drysaurus GALTON, 1977 (sic)
= Dypsalotosaurus GALTON, 1973 (sic)
= Dysalatosaurus COLBERT, 1961 (sic)
= Dysalotasaurus OSTORM, 1970 (sic)
= Dysalotosaurus VIRCHOW, 1919
D. altus (MARSH, 1878) MARSH, 1894 (Type)
= Laosaurus altus MARSH, 1878
D. lettowvorbecki (VIRCHOW, 1919)
= Dysalotosaurus lettowvorbecki VIRCHOW, 1919
= Dysalotosaurus lettow-vorbecki VIRCHOW, 1919
D. sp

Genus: Valdosaurus GALTON, 1977
V. canaliculatus (GALTON, 1975) GALTON, 1977 (Type)
= Dryosaurus canaliculatus GALTON, 1975
= referred to Hypsilophodon foxi by LYDEKKER, 1888
V. nigeriensis GALTON & TAQUET, 1982
V. sp

Genus: Muttaburrasaurus BARTHOLOMAI & MOLNAR, 1981
M. langdoni BARTHOLOMAI & MOLNAR, 1981 (Type)
M. sp

Family: CAMPTOSAURIDAE Marsh, 1885
= Family: CAMPTONOTIDAE Marsh, 1881
= Subfamily: CAMPTOSAURIANE Marsh, 1885 (sensu Abel, 1919)
= Superfamily: CAMPTOSAUROIDEA Marsh, 1885 (sensu Cooper, 1985)

Genus: Callovosaurus GALTON, 1980
C. leedsi (LYDEKKER, 1889) GALTON, 1980 (Type)
= Camptosaurus leedsi LYDEKKER, 1889

Genus: Camptosaurus MARSH, 1885
= Brachyrophus COPE, 1878 (nomen dubium)
= Brachyhophus KUHN, 1965 (sic)
= Campotonodus ROMER, 1966 (sic)
= Camptonodus HOFFMANN, 1880 (sic)
= Camptonotus MARSH, 1879/UHLER, 1864
= Camptonutus GALTON & JENSEN, 1979 (sic)
= Comptonotus COPE, 1882 (sic)
= Cumnoria SEELEY, 1888
= Cumnovia CARUS, 1888 (sic)
= Cunmoria NOPCSA, 1917 (sic)
= Symphyrophus COPE, 1878 (nomen dubium)
= Symphyrosaurus HUENE, 1908 (sic)
C. hoggii (OWEN, 1874) NORMAN & BARRETT, 2002
= Iguanodon hoggi OWEN, 1874
C. dispar (MARSH, 1878) MARSH, 1885 (Type)
= Camptonotus dispar MARSH, 1879
= Cumnoria disapar (MARSH, 1879)
= Comptonotus dispar COPE, 1882 (sic)
= Brachyrophus altarkansanus COPE, 1878
= Symphyrophus musculosus COPE, 1878 (nomen dubium)
= Camptosaurus medius MARSH, 1894
= Camptosaurus nanus MARSH, 1894
= Camptosaurus novus RIABININ, 1937 (sic)
= Camptosaurus browni GILMORE, 1909
C. amplus (MARSH, 1879)
= Camptonotus amplus MARSH, 1879
C. prestwichii (HULKE, 1880)
= Iguanodon prestwichii HULKE, 1880
= Cumnoria prestwichii (HULKE, 1880) SEELEY, 1888
C? depressus GILMORE, 1909
C. sp

Genus: Draconyx MATEUS & TELLES ANTUNES, 2001
D. loureiroi MATEUS & TELLES ANTUNES, 2001 (Type)

Genus: Probactrosaurus ROZHDESTVENSKY, 1966
P. gobiensis ROZHDESTVENSKY, 1966 (Type)
P. alashanicus ROZHDESTVENKSY, 1966
P. mazongshanensis LU, 1997
P. sp

Family: IGUANODONTIDAE Cope, 1869
= Parafamily: IGUANODONTIDAE Cope, 1869 (sensu Olshevsky, 1998)
=Subfamily: IGUANODONTINAE Cope, 1869 (sensu Abel, 1919)
= IGUANODONTOIDAE Cope, 1869 (sensu Hay, 1930)
= IGUANODONTOIDES Cope, 1869 (sensu Gervais, 1852)
= Family: IGUANODOTIDAE Delair, 1959 (sic)
= Family: KALODONTIDAE Nopcsa, 1901
= Family: ORNITHOPODIDAE Nopcsa, 1915 (partim)

Genus: Eolambia KIRKLAND, 1998
= “Eohadrosaurus” KIRKLAND, 1997 (nomen nudum)
E. caroljonesa KIRKLAND, 1998 (Type)
= “Eohadrosaurus caroljonesi” KIRKLAND, 1997 (nomen nudum)
= Iguanodon ottingeri GALTON & JENSEN, 1979 (BURGE, 1996) (partim)

Genus: Fukuisaurus KOBAYASHI & AZUMA, 2003
= “Fukuisaurus” DONG, HASEGAWA & AZUMA, 1990 (nomen nudum)
F. tetoriensis KOBAYASHI & AZUMA, 2003 (Type)

Genus: Iguanodon MANTELL, 1825
= Heterosaurus CORNUEL, 1850 (nomen dubium, in part)
= Hikanodon KEFERSTEIN, 1834
= Iguanaodon GALTON & POWELL, 1980 (sic)
= Iguanosaurus (Anonymous) 1824 (nomen oblitium)
= Iguonodon GALTON & H. P. POWELL, 1980 (sic)
= Iguanadon STOKES, 1988 (sic)
= Iguanodon A. D. WALKER, 1964 (sic)
= Jguanodon KALANDADZE & KURZANOV, 1973 (sic)
= Sphenospondylus SEELEY, 1882
= Therosaurus FITZINGER, 1843
= Vectisaurus HULKE, 1879 (juvenile)
I. anglicus HOLL, 1829
= Iguanodon anglicum HOLL, 1829
= Iguanodon mantelli MEYER, 1832
= Therosaurus mantelli (MEYER, 1832) FITZINGERF, 1843
= Iguanodon mantelli HULKE, 1882 (Type of I. mantelli)
= Streptospondylus major OWEN, 1842 (nomen dubium)
= Iguanodon major (OWEN, 1842) (nomen dubium)
I? bernissartensis BOULENGER vide van BENEDEN, 1881 (Type)
= Iguanodon seelyi HULKE, 1882
= Iguanodon seeleyi MOSELE, 1883 (sic)
= Iguanodon orientalis ROZHDEVSKY, 1952
I? dawsoni LYDEKKER, 1888
I? fittoni LYDEKER, 1889
= Iguanodon hollingtoniensis LYDEKKER, 1889
I? atherfieldensis HOOLEY, 1925
= Iguanodon bernissartensis HOOLEY, 1917
= Cetiosaurus brachyurus OWEN, 1842 (nomen dubium)
= Heterosaurus neocomiensis CORNUEL, 1850 (nomen dubium)
= Vectisaurus valdensis HULKE, 1879
= Sphenospondylus gracilis LYDEKER, 1888
I. ottingeri GALTON & JENSEN, 1979 (nomen dubium)
I. lakotaensis WEISHAMPEL & BJORK, 1989
I. sp

Genus: Lophorhothon LANGSTON, 1960
= Lophorothon HORNER, 1979 (sic)
= Lophoroton MARYANSKA & OSMOLSKA, 1979 (sic)
= Lorphorhothon GLUT, 1972 (sic)
L. atopus LANGSTON, 1960 (Type)
L. sp

Genus: Lurdusaurus TAQUET & RUSSELL, 1999
= Gravisaurus CHABILI, 1988 (nomen nudum)
L. arenatus TAQUET & RUSSELL, 1999 (Type)
= Gravisaurus tenerensis CHABILI, 1988 (nomen nudum)

Genus: Craspedodon DOLLO, 1883 (nomen dubium)
= Craspedon GALTON, 1980 (sic)
C. lonzeensis DOLLO, 1883 (Type)

Genus: Loncosaurus AMEGHINO, 1899
= Loncasaurus AMEGHINO, 1898 (sic)
= Longosaurus ROTH, 1900 (sic)
L. argentinus AMEGHINO, 1899 (Type)
= Megalosaurus argentinus (AMEGHINO, 1898) (nomen dubium)
= Longosaurus argentinus ROTH, 1900 (sic)

Genus: Nanyangosaurus XU, ZHAO, LU, HUANG, LI & DONG, 2000
N. zhugeii XU, ZHAO, LU, HUANG, LI & DONG, 2000

Genus: Planicoxa DiCROCE & CARPENTER, 2001
P. venenica DiCROCE & CARPENTER, 2001 (Type)

Genus: Sanpasaurus YOUNG, 1944 (nomen dubium)
S. yaoi YOUNG, 1944 (Type)
S. imperfectus YOUNG, 1944 (nomen dubium)
= Gen. indet. imperfectus YOUNG, 1944 (nomen dubium)
= Trachodon imperfectus (YOUNG, 1944) (nomen dubium)

Genus: Ouranosaurus TAQUET, 1976
= Ouranosaurus TAQUET, 1972 (nomen nudum)
O. nigeriensis TAQUET, 1976 (Type)
= Ouranosaurus nigeriensis TAQUET, 1972 (nomen nudum)
O. sp

Genus: Equijubus YOU, LUO, SHUBIN, WITMER, TANG & TANG, 2003
= Equijubus YOU 2002 (nomen nudum)
E. normani YOU, LUO, SHUBIN, WITMER, TANG & TANG, 2003 (Type)
= Equijubus normani YOU 2002 (nomen nudum)

Genus: Shuangmiaosaurus YOU, LI & LI, 2003
S. gilmorei YOU, LI & LI, 2003 (Type)

Family: HADROSAURIDAE Cope, 1869
=Family: MADROSAURIDAE Sauvage, 1883 (sic)
= Family: ORNITHOPODIDAE Nopcsa, 1915 (partim)
= Family: ORNITHOTARSIDAE Cope, 1871
= Family: PROHADROSAURIDAE Huene, 1956
= Family: PROTRACHODONTIDAE Nopcsa, 1915
= Subfamily: PROTRACHODONTINAE Abel, 1919

Genus: Arstanosaurus SUSLOV vide SUSLOV & SHILIN, 1982 (nomen dubium)
A. akkurganensis SUSLOV vide SHILIN, 1982 (Type)
= Arstanosaurus akkorganensis PRIZEMLIN, 1990 (sic)

Genus: Cionodon COPE, 1874 (nomen dubium)
= Cinodon COPE, 1874 (nomen nudum)
C. arctatus COPE, 1874 (Type)
= Cinodon arctatus COPE, 1874 (nomen nudum)
= Thespesius arctatus (COPE, 1874) (nomen dubium)
= Trachodon arctatus (COPE, 1874) (nomen dubium)
C. stenopsis COPE, 1875 (nomen dubium)
= Thespesius stenopsis (COPE, 1875) (nomen dubium)
= Trachodon stenopsis (COPE, 1875) (nomen dubium)

Genus: Diclonius COPE, 1876 (nomen dubium)
D. pentagonus COPE, 1876 (Type)
= Thespesius pentagonus (COPE, 1876) (nomen dubium)
= Trachodon pentagonus (COPE, 1876) (nomen dubium)
D. perangulatus COPE, 1876 (nomen dubium)
= Thespesius perangulatus (COPE, 1876) (nomen dubium)
= Trachodon perangulatus (COPE, 187) (nomen dubium)
D. calamarius COPE, 1876 (nomen dubium)
= Thespesius calamarius (COPE, 1876) (nomen dubium)
= Trachodon calamarius (COPE, 187) (nomen dubium)

Genus: Gilmoreosaurus non BRETT-SURMAN, 1979
G. atavus NESOV, 1995 (nomen dubium)
G. arkhangelskyi NESOV, 1995 (nomen dubium)

Genus: Hypsibema COPE, 1869 (nomen dubium)
= Hypsibaema HUENE, 1909 (sic)
= Neosaurus GILMORE, vide GILMORE & STEWART, 1945 non NOPCSA, 1923
= Parrasaurus WHITE, 1973 (sic)
= Parrosaurus GILMORE, 1945 (nomen dubium)
H. crassicauda COPE, 1869 (Type)
= Hadrosaurus minor? LULL & WRIGHT, 1942, non MARSH, 1870
H. missouriense (GILMORE & STEWART, 1945) BAIRD & HORNER, 1979 (nomen dubium)
= Neosaurus missouriensis GILMORE vide GILMORE & STEWART, 1945) (nomen dubium)
= Parrosaurus missouriensis (GILMORE vide GILMORE & STEWART, 1945) GILMORE, 1945 (nomen dubium)

Genus: Mandschurosaurus RIABININ, 1930 (nomen dubium)
= Manchurisaurus DONG, 1979 (sic)
= Manchurosaurus NAGAO, 1936 (sic)
= Mandchurosaurus YOUNG, 1958 (sic)
= Mandschrosaurus LUO, ZHANG, & LI, 1983 (sic)
= Mandschurisaurus DONG, 1979 (sic)
= Mandschurosaus YOUNG, 1958 (sic)
= Mandshurosaurus YOUNG, 1958 (sic)
= Manschurosaurus HU & CHENG, 1988 (sic)
M. amurensis (RIABININ, 1925) RIABININ, 1930 (Type)
= Trachodon amurensis RIABININ, 1925 (nomen dubium)
= Trachodon amurense RIABININ, 1925 (nomen dubium)
= Thespesius amurensis (RIABININ, 1925) (nomen dubium)
= Manschurosaurus amurensis HU & CHENG, 1988 (sic)
= Tracodon amurense HU & CHENG, 1988 (sic)
= Mandschurosaurus amwensis (ANONYMOUS, 1990) (sic)

Genus: Microhadrosaurus DONG, 1979 (nomen dubium)
M. nanshiungensis DONG, 1979 (Type)

Genus: Thespesius LEIDY, 1856 (nomen dubium)
T. occidentalis LEIDY, 1856 (Type)
= Hadrosaurus occidentalis (LEIDY, 1856) (nomen dubium)
= Trachodon occidentalis (LEIDY, 1856) (nomen dubium)
= Agathaumas milo COPE, 1874 (nomen dubium)
= Hadrosaurus milo (COPE, 1874) HAY, 1901 (nomen dubium)
= Agathaumus milo HAY, 1901 (sic)

Genus: Nova
= Iguanodon hillii NEWTON, 1892
= Craspedodon hilli (NEWTON, 1892)
= Limnosaurus hilli (NEWTON, 1892)
= Orthomerus hilli (NEWTON, 1892)

Genus: Claosaurus MARSH, 1890
C. agilis (MARSH, 1872) MARSH, 1890 (Type)
= Hadrosaurus agilis MARSH, 1872
= Trachodon agilis (MARSH, 1872)
C. sp

Genus: Gilmoreosaurus BRETT-SURMAN, 1979
= Gilmoreosautus HU & CHENG, 1988 (sic)
G. mongoliensis (GILMORE, 1933 ) BRETT-SURMAN, 1979 (Type)
= Mandschurosaurus mongoliensis GILMORE, 1933
= Gilmoreosaurus mongliensis HU & CHENG, 1988 (sic)
= Manschurosaurus mongoliensis HU & CHENG, 1988 (sic)
= Manschurosaurus monoliensis HU & CHENG, 1988 (sic)
G. sp

Genus: Orthomerus SEELEY, 1883 (nomen dubium)
O. dolloi SEELEY, 1883 (Type)
= Telmatosaurus dolloi (SEELEY, 1883) MULDER, 1984 (nomen dubium)
O? weberae (RIABININ, 1945) NESOV, 1995 (nomen dubium)
= Orthomerus weberi RIABININ, 1945 (nomen dubium)
O. sp

Genus: Secernosaurus BRETT-SURMAN, 1979
S. koerneri BRETT-SURMAN, 1979 (Type)

Genus: Telmatosaurus NOPCSA, 1903
= Hecatasaurus BROWN, 1910
= Hecatosaurus WHITE, 1973 (sic)
= Hectasaurus NAGAO, 1936 (sic)
= Limnosaurus NOPCSA, 1899 non MARSH, 1872
T. transsylvanicus (NOPCSA, 1899) NOPCSA, 1903 (Type)
= Limnosaurus transsylvanicus NOPCSA, 1899
= Orthomerus transsylvanicus (NOPCSA, 1899)
= Hecatasaurus transsylvanicus (NOPCSA, 1899) BROWN, 1910
= Orthomerus tranylvanicus var. sulcata NOPCSA, 1915
T. sp

Tribe: HADROSAURINI Cope, 1869 (sensu Brett-Surman vide Chapman & Brett-Surman, 1990)

Genus: Hadrosaurus LEIDY, 1858
= Gadrosaurus SHULTS, 1972 (sic)
= Hadrasaurus COPE, 1869 (sic)
= Hodeosaurus WU, 1985 (sic)
= Madrosaurus SAUVAGE, 1883 (sic)
= Ornithosaurus RIABININ, 1930 (sic)
= Ornithotarsus COPE, 1869
H. foulkii LEIDY, 1858 (Type)
= Trachodon foulkii (LEIDY, 1858)
= Hadrosaurus foulkei COPE, 1870 (sic)
= Hadrosaurus faulkii LANGSTON, 1960 (sic)
= Ornithotarsus immanis COPE, 1869
= Hadrosaurus cavatus COPE 1871
= Trachodon cavatus (COPE, 1871)
H. minor MARSH, 1870
H? breviceps MARSH, 1889 (nomen dubium)
= Kritosaurus breviceps (MARSH, 1889) LULL & WRIGHT, 1942 (nomen dubium)
= Trachodon breviceps (MARSH, 1889) (nomen dubium)
H. sp

Tribe: KRITOSAURINI de Lapparent & Lovacat, 1955
= KRITOSAURINES de Lapparent & Lovacat, 1955
= Subfamily: GRYPOSAURINAE Horner, 1992

Genus: Anasazisaurus HUNT & LUCAS, 1993
A. horneri HUNT & LUCAS, 1993 (Type)

Genus: Aralosaurus ROZHDESTVENKSY, 1968
A. tuberiferus ROZHDESTVENSKY, 1968 (Type)
= Aralosaurus tuberifrons MARYANASKA, 1977 (sic)
= Aralosaurus tubiferus NORMAN & SUES, 2000 (sic)
A. sp

Genus: Gryposaurus LAMBE, 1914
= Gryposourus LANGSTON, 1965 (sic)
= Gryptosaurus MARYANSKA & OSMOLSKA, 1979 (sic)
= "Hadrosauravus" LAMBERT, 1990
G. notabilis LAMBE, 1914 (Type)
= Hadrosaurus notabilis (LAMBE, 1914)
= Kritosaurus notabilis (LAMBE, 1914)
= Trachodon marginatus LAMBE, 1902 (nomen dubium; in part)
= Kritosaurus marginatus (LAMBE, 1902) LULL & WRIGHT, 1942 (nomen dubium)
= Thespesius marginatus (LAMBE, 1902) (nomen dubium)
= Pteropelyx marginata (LAMBE, 1902) LAMBE, 1902 (nomen dubium)
= Pteropelyx marginatus (LAMBE, 1902) LAMBE, 1902 (nomen dubium)
G. latidens HORNER, 1992
G. sp

Genus: Kritosaurus BROWN, 1910
= Krikotosaurus de LAPPARENT, 1978 (sic)
= Kristosaurus YOUNG, 1958 (sic)
= Kritosaurus NAGAO, 1936 (sic)
K. navajovius BROWN, 1910 (Type)
= Hadrosaurus navajovius (BROWN, 1910)
= Kritosaurus novajovous STOKES, 1988 (sic)
K. Species: Nova HERNANDEZ-RIVERA, 1997
K. Species: Nova WAGNER & LEHMAN, 2001
K. sp

Genus: Naashoibitosaurus HUNT & LUCAS, 1993
N. ostromi HUNT & LUCAS, 1993 (Type)

Genus: Nova
= Kritosaurus incurvimanus PARKS, 1920
= Kritosaurs incruvimanus NAGAO, 1936 (sic)

Genus: Nova
= Kritosaurus australis BONAPARTE, FRANCHI, J. POWELL & SEPULVEDA, 1984
= Kritosaurus australis BONAPARTE, 1984 (nomen nudum)

Genus: Brachylophosaurus STERNBEG, 1953
= Brachylosaurus CZERKAS & CZERKAS, 1990 (sic)
B. canadensis STERNBERG, 1953 (Type)
= Brachylophosaurus goodwini HORNER, 1988
B. sp

Genus: Maiasaura HORNER & MAKELA, 1979
= Maiasauria STOKES, 1988 (sic)
= Maiasaurus BROWNE, 1980 (sic, New York Times News Service, February 14, 1980)
M. peeblesorum HORNER & MAKELA, 1979 (Type)
M. sp

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990
= Subfamily: EDMONTOSAURINAE Horner, 1992

Genus: Anatosaurus LULL & WRIGHT, 1942
= Amatosaurus D. A. RUSSELL, 1982 (sic)
= Annatosaurus KRASSILOV, 1981 (sic)
= Anotosaurus COLBERT, 1962 (sic)
A. longiceps (MARSH, 1890) LULL & WRIGHT, 1942
= Trachodon longiceps MARSH, 1890
= Edmontosaurus longiceps (MARSH, 1890)
= Hadrosaurus longiceps (MARSH, 1890)
= Anatotian longiceps (MARSH, 1890) OLSHEVSKY, 1991
A. annectens (MARSH, 1892) LULL & WRIGHT, 1942 (Type)
= Edmontosaurus annectens (MARSH, 1892) BRETT-SURMAN vide CHAPMAN & BRETT-SURMAN, 1990
= Claosaurus annectens MARSH, 1892
= Thespesius annectens (MARSH, 1892)
= Trachodon annectens (MARSH, 1892)
= Claosaruus annectans WILLISTON, 1898 (sic)
= Thespesius edmontonensis GILMORE, 1924
= Thespesius edmontoni GILMORE, 1924
= Anatosaurus edmontonensis (GILMORE, 1924 ) LULL & WRIGHT, 1942
= Anatosaurus edmontoni (GILMORE, 1924) LULL & WIGHT, 1942
= Edmontosaurus edmontonensis (GILMORE, 1924)
= Edmontosaurus edmontoni (GILMORE, 1924)
= Trachodon edmontonensis (GILMORE, 1924)
= Trachodon edmontoni (GILMORE, 1924)
= Thespesius edmonti PARKS, 1935 (sic)
= Trachodon marginatus LAMBE, 1913
= Claosaurus affinis WIELAND, 1903 (nomen dubium)
= Trachodon affinis (WIELAND, 1903) (nomen dubium)
A. saskatchewanensis (STERNBERG, 1926) LULL & WRIGHT, 1942
= Thespesius saskatchewanensis STERNBERG, 1926
= Edmontosaurus saskatchewanensis (STERNBERG, 1926) BRETT-SURMAN vide CHAPMAN & BRETT-SURMAN, 1990
= Trachodon saskatchewanensis (STERNBREG, 1926)
A. sp

Genus: Anatotitan BRETT-SURMAN vide CHAPMAN & BRETT-SURMAN, 1990
= Anatotian BRETT-SURMAN, 1988 (chironym)
= Anatotitan NORMAN, 1989 (nomen dubium)
= Anattitan HUNT & LUCAS, 1992 (sic)
A. copei (LULL & WRIGHT, 1942) BRETT-SURMAN, 1990 (Type)
= Anatosaurus copei LULL & WRIGHT 1942
= Edmontosaurus copei (LULL & WRIGHT, 1942)
= Diclonius mirabilis COPE, 1876 (nomen dubium; in part)
= Trachodon mirabilis (COPE, 1876) BROWN, 1913 (partim)

Genus: Edmontosaurus LAMBE, 1917
= Edmontasaurus STOKES, 1988 (sic)
= Edomontosaurus CHAPMAN & BRETT-SURMAN, 1990 (sic)
E. regalis LAMBE, 1917 (Type)
E. sp

Genus: Shantungosaurus HU, 1973
= Shantungsaurus GEE, 1989 (sic)
S. giganteus HU, 1973 (Type)

Genus: Tanius WIMAN, 1929
T. sinensis WIMAN, 1929 (Type)
= Tanius chingkankouensis YOUNG, 1958
T. sp

Tribe: SAUROLOPHINI Nopcsa, 1917 (sensu Brett-Surman vide Chapman & Brett-Surman, 1990)
= Family: SAUROLAPHINAE C. M. Sternberg, 1926 (sic)
= Family: SAUROLOPHIDAE Nopcsa, 1917
= Subfamily: SAUROLOPHINAE Brown, 1914

Genus: Kerberosaurus BOLOTSKY & GODEFROIT, 2004
K. manakini BOLOTSKY & GODEFROIT, 2004 (Type)

Genus: Prosaurolophus BROWN, 1916
= Prosauralophus ROGERS, 1991 (sic)
P. maximus BROWN, 1916 (Type)
= Saurolophus maximus (BROWN, 1916)
P. blackfeetensis HORNER, 1992
P. Species: Nova
P. sp

Genus: Saurolophus BROWN, 1912
S. osborni BROWN, 1912 (Type)
S? krischtofovici RIABININ, 1930 (nomen dubium)
= Saurolphus kryschtofovici STEEL, 1969 (sic)
S. angustirostris ROZHDESTVENSKY, 1952
S. sp

Genus: Amurosaurus BOLOTSKY & KURZANOV, 1991
A. riabinini BOLOTSKY & KURZANOV, 1991 (Type)

Genus: Barsboldia MARYANSKA & OSMOLSKA, 1981
= Umarsaurus MARYANSKA & OSMOLSKA, 1981 (nomen nudum)
B. sicinskii MARYANSKA & OSMOLSKA, 1981 (Type)
= Umarasaurus sicinskii MARYANSKA & OSMOLSKA, 1981 (nomen nudum)

Genus: Olorotitan GODEFROIT, BOLOTSKY & ALIFANOV, 2003
O. arharensis GODEFROIT, BOLOTSKY & ALIFANOV, 2003 (Type)

Genus: Pararhabdodon CASANOVAS-CLADELLAS, SANTAFE-LLOPIS & ISIDRO-LLORENS, 1993
P. isonense CASANOVAS-CLADELLAS, SANTAFE-LLOPIS & ISIDRO-LLORENS, 1993 (Type)
P. sp

Incertae sedis
= Family: TRACHODONTIDAE Lydekker, 1888
= Subfamily: TRACHODONTINAE Lydekker, 1888 (sensu Brown, 1914)

Genus: Pteropleyx COPE, 1890 (not 1889) (nomen dubium)
= Petropelyx KEYES, 1894 (sic)
P. grallipes COPE, 1890 (not 1889) (Type)
= Thespesius grallipes (COPE, 1890) (nomen dubium)
= Trachodon grallipes (COPE, 1890) (nomen dubium)

Genus: Trachodon non LEIDY, 1856 (nomen dubium)
T? cantabrigiensis LYDEKKER, 1888 (nomen dubium)
= Hadrosaurus cantabrigiensis (LYDEKKER, 1888) NEWTON, 1892 (nomen dubium)
= Telmatosaurus cantabrigiensis (LYDEKKER, 1888) OLSHEVSKY, 1978 (nomen dubium)
= Hadrosaurus cantabrigensis NEWTON, 1892 (sic)
= Trachodon cantabrigensis NEWTON, 1892 (sic)
= Iguanodon mantell OWEN, (Referred)
T? selwyni LAMBE, 1902 (nomen dubium)
= Gryposaurus selwyni (LAMBE, 1902) (nomen dubium)
= Pteropelyx selwyni (LAMBE, 1902) (nomen dubium)
= Thespesius selwyni (LAMBE, 1902) (nomen dubium)

Tribe: LAMBEOSAURINI Parks, 1923
= Family: ORNITHOPODIDAE Nopcsa, 1915 (partim)
= Subfamily: STEPHENOSAURINAE Lambe, 1920
= Subfamily: CHENOSAURINAE Lull & Wright, 1942
= Family: CHENOSAURIDAE Huene, 1956
= Tribe: CORYTHOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Genus: Corythosaurus BROWN, 1914
C. casuarius BROWN, 1914 (Type)
= Hypacrosaurus casuarius (BROWN, 1914) PAUL, 1987
= Corythosaurus casuaris HUNT & LUCAS, 1992 (sic)
= Corythosaurus excavatus GILMORE, 1923 (Female)
= Corythosaurus cf. intermedius cf. excavatus PARKS, 1935
= Tetragonasaurus erectofrons PARKS, 1931 (Juvenile)
= Procheneosaurus erectofrons (PARKS, 1931) (Juvenile)
= Corythosaurus bicristatus PARKS, 1935 (Female)
= Corythosaurus brevicristatus PARKS, 1935
= Tetragonasaurus cranibrevis STERNBERG, 1935 (Juvenile)
C. intermedius PARKS, 1923 (Once considered to ba a female)
= Stephanosaurus intermedius (PARKS, 1923) (Once considered to ba a female)
= Procheneosaurus cranibrevis (STERNBERG, 1935) (Juvenile)
C. convincens (ROZHDESTVENSKY, 1968)
= Procheneosaurus convincens ROZHDESTVENSKY, 1968 (Juvenile)
= Corythosaurus convincens (ROZHDESTVENSKY, 1986) ANONYMOUS, 1982
C. sp

Genus: Hypacrosaurus BROWN, 1913
= Cheneosaurus LAMBE, 1917
= Cheneousaurus NAGO, 1936 (sic)
= Hypacrosaurus NAGO, 1936 (sic)
= Hypocrosaurus STERNBERG, 1953 (sic)
H. altispinus BROWN, 1913 (Type)
= Cheneosaurus tolmanensis LAMBE, 1917 (Juvenile)
H. stebingeri HORNER & CURRIE, 1994
H. Species: Nova
H. sp

Genus: Lambeosaurus PARKS, 1923
= Didamodon HUENE, 1956 (sic)
= Didanodon OSBORN, 1902
= Procheneosaurus MATTHEW, 1920 (nomen conservandum)
= Stephanosaurus LAMBE, 1914 (nomen dubium)
= Tetragonasaurus NAGAO, 1936 (sic)
= Tetragonosaurus PARKS, 1931 (sic)
= Tetragonosaurus PARKS, 1931
L. lambei PARKS, 1923 (Type) (Male)
= Hypacrosaurus lambei (PARKS, 1923)
= Hadrosaurus paucidens MARSH, 1889 (nomen dubium)
= Ceratops paucidens (MARSH, 1889) HAY, 1901(nomen dubium)
= Hadrosaurus paucideres KEYES, 1894 (sic)
= Trachodon marginatus LAMBE, 1902 (nomen dubium; in part)
= Stephanosaurus marginatus (LAMBE, 1902) (nomen dubium)
= Stephanosaurus marginatus LAMBE, 1914
= Trachodon altidens (LAMBE, 1902) (nomen dubium)
= Didanodon altidens (LAMBE, 1902) OSBORN, 1902 (nomen dubium)
= Procheneosaurus altidens (LAMBE, 1902) (nomen dubium)
= Pteropelyx altidens (LAMBE, 1902) LAMBE, 1902 (nomen dubium)
= Thespesius altidens (LAMBE, 1902) (nomen dubium)
= Tetragongosaurus praeceps PARKS, 1931 (Juvenile)
= Procheneosaurus praeceps (PARKS, 1931) (Juvenile)
= Corythosaurus frontalis PARKS, 1935 (Juvenile female)
= Lambeosaurus clavinitialis STERNBERG, 1935 (Female)
= Lambeosaursu clavinatalis ROGERS, 1991 (sic)
L. magnicristatus STERNBERG, 1935 (Male)
= Lambeosaurus magnicristatum STERNBERG, 1935 (Male)
L? laticaudus MORRIS, 1981
L. Species: Nova? (TANKE, Pers. Com.)
L. sp

Genus: Bactrosaurus GILMORE, 1933
= Batractosaurus HALSTEAD, 1975 (sic)
B. johnstoni GILMORE, 1933 (Type)
B. prynadai RIABININ, 1937 (nomen dubium)
= Tanius prynadai (RIABININ, 1937) (nomen dubium)
= Bactrosaurus prinadai NESOV, 1995 (sic)
B. kyzylkumensis (RIABININ, 1931) NESOV, 1995
= Cionodon kysylkumensis RIABININ, 1931 (nomen dubium)
= Cionodon kyslkumense RIABININ, 1931 (nomen dubium)
= Thespesius kyslkumensis (RIABININ, 1931) (nomen dubium)
= Trachodon kyslkumensis (RIABININ, 1931) (nomen dubium)
B. sp

Genus: Charonosaurus GODEFROIT, ZAN & JIN, 2000
C. jiayinensis GODEFROIT, ZAN & JIN, 2000 (Type)

Genus: Jaxartosaurus RIABININ, 1937
= Taxartosaurus RIABININ, 1939 (sic)
= Yaxartosaurus YOUNG, 1958 (sic)
J. aralensis RIABININ, 1937 (Type)
= Yaxartosaurus aralensis (RIABININ, 1937) (sic)
J. fuyunensis WU, 1984 (nomen dubium, in WEISHAMPEL & HORNER, 1990)
= Yaxartosaurus fuyunensis WU, 1984 (nomen dubium)
J. sp

Genus: Parasaurolophus PARKS, 1922
= Parasaurolophis STOKES, 1988 (sic)
= Parasaurophus NAGAO, 1936 (sic)
= Parosaurolophus STERNBEG, 1946 (sic)
P. walkeri PARKS, 1922 (Type) Male)
P. tubicen WIMAN, 1931 (Male)
P. cyrtocristatus OSTROM, 1961 (Female)
= Parasaurolophus cyrotocristatus STOKES, 1988 (sic)
P. sp

Genus: Tsintaosaurus YOUNG, 1958
= Tsingtaosaurus LESSEM, 1992 (sic)
= Tsintaosourus YOUNG, 1958 (sic)
T. spinorhinus YOUNG, 1958 (Type)

ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974
= PARAORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974
= Superfamily: PACHYCEPHALOSAUROIDEA Sternberg, 1945 (sensu Zhao, 1983)

SUBORDER: HETERODONTOSAURIA COOPER, 1985 (emend)
= INFRAORDER: HETERODONTOSAURIA COOPER, 1985

Family: PISANOSAURIDAE Casamiquela, 1967
= Parafamily: PISANOSAURIDAE Casamiquela, 1967 (sensu Olshevsky, 1998)

Genus: Pisanosaurus CASAMIQUELA, 1967
= Pisanosaurus DONG, 1979 (sic)
P. mertii CASAMIQUELA, 1967 (Type)

Family: HETERODONTOSAURIDAE Kuhn, 1966
= Parafamily: HETERODONTOSAURIDAE Kuhn, 1966 (sensu Olshevsky, 1998)
= Family: LYCORHINIDAE Thulborn, 1971a
= Family: TIANCHUNGOSAUROIDEA Zhao, 1983 (nomen nudum)
= Family: XIPHOSAURIDAE Sereno, 1986

Genus: Abrictosaurus HOPSON, 1975
A. consors (THULBORN, 1974) HOPSON, 1975 (Type)
= Lycorhinus consors THULBORN, 1974
A. sp

Genus: Dianchungosaurus YOUNG, 1982 (nomen dubium)
= Diachungosaurus HAUBOLD, 1990 (sic)
= Dianchongosaurus SUN, 1989 (sic)
= Tianchugosaurus ZHAO, 1983 (sic)
D. lufengensis YOUNG, 1982 (Type)
D. elegans ZHAO, 1986 (nomen nudum)

Genus: Echinodon OWEN, 1861
= Echinosaurus MORRIS, 1976 (sic)
= Sauraechinodon FALCONER vide OWEN, 1861 (sic)
= Sauraechmodon FALCONER, 1861 (sic)
= Saurechinodon OWEN, 1861 (sic)
E. becklesii OWEN, 1861 (Type)
= Echinodon becclesii OWEN, 1861 (sic)
= Echinodon becklessii GALTON, 1978 (sic)
E. sp

Genus: Heterodontosaurus CROMPTON & CHARIG, 1962
H. tucki CROMPTON & CHARIG, 1962 (Type)
= Lycorhinus tucki (CROMPTON & CHARIG, 1962) THULBORN, 1970

Genus: Lycorhinus HAUGHTON, 1924
= Lanasaurus GOW, 1975
= Lychorhinus HOPSON, 1975 (sic)
= Lycochinus GALTON, 1973 (sic)
L. angustidens HAUGHTON, 1924 (Type)
= Lycorhinus angusticeps GOW, 1991 (sic)
= Lanasaurus scalpridens GOW, 1975

Genus: Revueltosaurus HUNT, 1989
R. callenderi HUNT, 1989 (Type)
R. hunti HECKERT, 2002b
= Revueltosaurus hunti HECKERT, 2002a (nomen nudum)
R. sp

Family: HOMALOCEPHALIDAE Dong, 1978 (sensu Perle, Maryanaska & Osmolska, 1982)
= Parafamily: HOMALOCEPHALIDAE Dong, 1978 (sensu Olshevsky, 1998)
= Family: HOMALOCEPHALERIDAE DONG, 1978 (sic)
= Family: HOMALOCEPHALOSAURIDAE Telles, Antunes & Sigogneau-Russell, 1991 (sic)

Genus: Goyocephale PERLE, MARYANSKA, & OSMOLOSKA, 1982
G. lattimorei PERLE, MARYANSKA, & OSMOLOSKA, 1982 (Type)

Genus: Homalocephale MARYANSKA & OSMOLSKA, 1974
H. calathocercos MARYANSKA & OSMOLSKA, 1974 (Type)

Genus: Micropachycephalosaurus DONG, 1978
M. hongtuyanensis DONG, 1978 (Type)

Genus: Taveirosaurus TELLUS ANTUNES & SIGOGNEAU-RUSSELL, 1991
T. costai TELLUS ANTUNES & SIGOGNEAU-RUSSELL, 1991 (Type)
= cf. Goyocephale sp ANTUNES & de BROIN, 1988

Genus: Wannanosaurus HOU, 1977
= Wannannosaurus DONG, 1987 (sic)
= Wannonosaurus DONG, 1978 (sic)
W. yansiensis HOU, 1977 (Type)

Family: PACHYCEPHALOSAURIDAE Sternberg, 1945
= Family: PSALISAURIDAE Lambe, 1918
= Family: THOLOCEPHALIDAE Sereno, 1986

Genus: Yaverlandia GALTON, 1971
= Yaverlandia DONG, 1978 (sic)
= Yaverlandia GALTON, 1975 (sic)
= Yaverladia DONG, 1979 (sic)
Y. bitholus GALTON, 1971 (Type)
= Yaverlandia bitholos HOPSON, 1979 (sic)

Genus: Nova GOODWIN, 1992/HORNER, VARRICCHIO & GOODWIN, 1992
(Indeterminate between Pachycephalosaurus and Stegoceras)

Genus: Colepiocephale SULLIVAN, 2003
C. lambei (STERNBERG, 1945) SULLIVAN, 2003 (Type)
= Stegoceras lambei STERNBERG, 1945

Genus: Hanssuesia SULLIVAN, 2003
= Hanssuessia SULLIVAN, 2003 (sic)
H. sternbergi (BROWN & SCHLAIKER, 1943) SULLIVAN, 2003 (Type)
= Troodon sternbergi BROWN & SCHLAIKJER, 1943
= Stegoceras sternbergi (BROWN & SCHLAIKJER, 1943) STERNBERG, 1945

Genus: Stegoceras LAMBE, 1902
= Ornatotholus GALTON & SUES, 1983
= Onatotholus LUCAS, 1991 (sic)
= Ornathotholus HUNT & LUCAS, 1992 (sic)
= Stegoceros GALTON, 1975 (sic)
= Toodon DONG, 1979 (sic)
= Troodon GILMORE, 1924 non LEIDY, 1856
S. validum LAMBE, 1902 (Type)
= Stegoceras validus LAMBE, 1902
= Troodon validus (LAME, 1902) HAY, 1930
= Stegoceras browni WALL & GALTON, 1979
= Ornatotholus browni (WALL & GALTON, 1979 ) GALTON & SUES, 1983
= Ornathotholus browni HUNT & LUCAS, 1992 (sic)
S. sp

Genus: Gravitholus WALL & GALTON, 1979
= Gravilothus HUNT & LUCAS, 1992 (sic)
G. albertae WALL & GALTON, 1979 (Type)
= Gravilothus albertae HUNT & LUCAS, 1979 (sic)

Genus: Pachycephalosaurus BROWN & SCHLAIKJER, 1943 (nomen conservandum)
= Pachycephalosantus SANZ, 1990 (sic)
= Tylosteus LEIDY, 1872 (nomen oblitum)
P. wyomingensis (GILMORE, 1931) BROWN & SCHLAIKJER, 1943 (Type)
= Troodon wyomingensis GILMORE, 1931
= Stegoceras wyomingense (GILMORE, 1931)
= Stegoceras wyomingensis (GILMORE, 1931)
= Tylosteus ornatus LEIDY, 1872 (nomen oblitum)
= Pachycephalosaurus grangeri BROWN & SCHLAIKJER, 1943
= Pachycephalosaurus reinheimeri BROWN & SCHLAIKJER, 1943
P. sp

Genus: Prenocephale MARYANSKA & OSMOLSKA, 1974
= Sphaerotholus WILLIAMSON & CARR, (2002) 2003
P. prenes MARYANASKA & OSMOLSKA, 1974 (Type)
P. brevis (LAMBE, 1918) SULLIVAN, 2000
= Stegoceras brevis LAMBE, 1918
= Stegoceras breve LAMBE, 1918
= Troodon brevis (LAMBE, 1918) HAY, 1930
P. edmontonense (BROWN & SCHLAIKJER, 1943) SULLIVAN, 2000
= Troodon edmontonensis BROWN & SCHLAIKJER, 1943
= Stegoceras edmontonensis (BROWN & SCHLAIKJER, 1943) STERNBERG, 1945
= Sphaerotholus buchholtzae WILLIAMSON & CARR, (2002) 2003
P. goodwini (WILLIAMSON & CARR, (2002) 2003) SULLIVAN, 2003
= Sphaerotholus goodwini WILLIAMSON & CARR, (2002) 2003
P. sp

Genus: Stygimoloch GALTON & SUES, 1983
= Stenotholus GIFFIN, GABRIEL & JOHNSON, 1988
S. spinifer GALTON & SUES, 1983 (Type)
= Stenotholus kohleri GIFFIN, GABRIEL & JOHNSON, 1987
= Stenotholus kohlerorum GIFFIN, GABRIEL & JOHNSON, 1987

Genus: Tylocephale MARYANSKA & OSMOLSKA, 1974
T? bexelli (BOHLIN, 1953) OLSHEVSKY, 1978 (nomen dubium)
= Troodon bexelli BOHLIN, 1953 (nomen dubium)
= Stegoceras bexelli (BOHLIN, 1953) (nomen dubium)
T. gilmorei MARYANSKA & OSMOLSKA, 1974 (Type)

ORDER: CERATOPIA MARSH, 1890
= ORDER: CERATOPSIA MARSH, 1890
= SUBORDER: CERATOPSIA MARSH, 1890

Family: PSITTACOSAURIDAE Osborn, 1923
= Subfamily: PROTIGUANODONTINAE Osborn, 1923
= Parafamily: PSITTACOSAURIDAE Osborn, 1923 (sensu Olsehvsky, 1998)
= Superfamily: PSITTACOSAUROIDEA Osborn, 1923 (sensu Cooper, 1985)
= Subfamily: PSITTACOSAURINES Osborn, 1923 (sensu Lavocat, 1955)

Genus: Hongshanosaurus YOU, XU & WANG, 2003
H. houi YOU, XU & WANG, 2003 (Type)

Genus: Psittacosaurus OSBORN, 1923
= Psitaccosaurus KEUPP & KOHRING, 1993 (sic)
= Prittacosaurus RHOZHDESTVENSKY, 1974 (sic)
= Proiguanodon DONG, 1979 (sic)
= Protiguanodon OSBORN, 1923
= Psittacorus CZERKAS & OLSON, 1987 (sic)
= Pssitacosaurus SANTA LUCA, 1980 (sic)
P. mongoliensis OSBORN, 1923 (Type)
= Protiguanodon mongoliensis OSBORN, 1923
= Protiguanodon mongoliense OSBORN, 1923
= Psittacosaurus protiguanodonensis YOUNG, 1958
Note: This species name is to replace Protiguanodon mongoliensis because YOUNG believed it to be a species of Psittacosaurus but not mongoliensis and since both the genera of Psittacosaurus and Protiguanodon have the same species name YOUNG changed the speices name to protiguanodonensis.
= Psittacosaurus osborni YOUNG, 1931
= Psittacosaurus tingi YOUNG, 1931
= Psittacosaurus guyangensis CHENG, 1982
= Psittacosaurus sattayaraki BUFFETAUT & SUTEETHRON, 1992 (as per XU & ZHAO, 1999)
P? philemys (BOHLIN, 1953) CARPENTER, 1999 (nomen dubium)
= Peishansaurus philemys BOHLIN, 1953 (nomen dubium)
Note: CARPENTER, 1999 did not per say place Peishanosaurus into Psittacosaurusjust stated it maybe a Psittacosaurus.
= Peishanosaurus DONG, 1979 (sic)
P. sinensis YOUNG, 1958
= Psittacosaurus youngi CHAO, 1963
P. xinjiangensis SERENO, & CHAO, 1988
P. meileyingensis SERENO, CHAO, CHENG & RAO, 1988
= Psittacosaurus chaoyoungi WANG, ZHENG, ZHANG, PU, ZHANG, WU, JU, DONG,& YUAN, 1989 (nomen nudum)
P. neimongoliensis RUSSELL & ZHAO, 1996
P. ordosensis RUSSELL & ZHAO, 1996
P. mazongshanensis XU, 1997
P. liangi LIU, 1999 (nomen nudum)
P. sibiricus VORONKEVICH & AVERIANOV, 2000
= Psittacosaurus mongoliensis NOVIKOV, LEBEDEV & ALIFANOV, 1998
P. Species: Nova? CHEN, 1996
P. Species: Nova
P. Species: Nova? XU & WANG, 1998
P. sp

Family: STENOPLEYXIDAE Nopcsa, 1917
= Family: STENOPLIXIDAE Nopcsa, 1917 (sensu Kuhn, 1966)

Genus: Stenopelix MEYER, 1857
= Stenopelys SAUVAGE, 1883 (sic)
= Stenoplex NOPCSA, 1917 (sic)
S. valdensis MEYER, 1857 (Type)

SUBORDER: NEOCERATOPIA SERENO, 1986
= SUBORDER: NEOCERATOPSIA SERENO, 1986
= SUBORDER: PONDERPODA HUENE, 1956

Genus: Liaoceratops XU, MAKOVICKY, WANG, NORELL & YOU, 2002
L. yanzigouensis XU, MAKOVICKY, WANG, NORELL & YOU, 2002 (Type)

Family: CHAOYANGOSAURIDAE [nomen novum ex CHAOYOUNGOSAUROIDEA Zhao, 1983 (nomen nudum)]

Genus: Chaoyangosaurus ZHAO, CHENG & XU, 1999
= Chaoyoungosaurus [Anonymous] 1981-1982 [nomen nudum; transliterated from Japenese]
= Chaoyoungosaurus ZHAO, 1983 (sic)
= Chaoyangosaurus ZHAO & CHENG, 1983 (nomen nudum)
C. liaosiensis ZHAO, CHENG & XU, 1999 (Type)
= Chaoyangosaurus liaosiensis ZHAO, 1985 (nomen nudum)
= Chaoyangosaurus liaosiensis ZHAO & CHENG, 1983 (nomen nudum)

Family: ARCHAEOCERATOPIDAE Dong & Azuma, 1997
= Family: ARCHAEOCERATOPSIDAE Dong & Azuma, 1997

Genus: Archaeoceratops DONG & AZUMA, 1997
A. oshimai DONG & AZUMA, 1997 (Type)

Family: PROTOCERATOPIDAE Granger & Gregory, 1923
= Parafamily: PROTOCERATOPIDAE Granger & Gregory, 1923 (sensu Olshevsky, 1998)

Genus: Asiaceratops NESOV, KAZNYSHKINA & CHEREPANOV, 1989
A. sulcidens (BOHLIN, 1953) NESOV, KAZNYSHKINA & CHEREPANOV, 1989
= Microceratops sulcidens BOHLIN, 1953
A. salsopaludalis NESOV, KAZNYSHKINA & CHEREPANOV, 1989 (Type)

Genus: Graciliceratops SERENO, 2000
G. mongoliensis SERENO, 2000 (Type)
= Microceratops gobiensis MARYANSKA & OSMOLSKA, 1975

Genus: Microceratops BOHLIN, 1953 (nomen dubium)
M. gobiensis BOHLIN, 1953 (Type)

Genus: Serendipaceratops RICH & VICKERS-RICH, 2003
S. arthurcclarkei RICH & VICKERS-RICH, 2003 (Type)

Subfamily: PROTOCERATOPINAE Granger & Gregory, 1923 (sensu Nesov, Kaznyshkina & Cherepanov, 1989)
= Subfamily: PROTOCERATOPSINAE Granger & Gregory, 1923 (sensu Nesov, Kaznyshkina & Cherepanov, 1989)
= Subfamily: ASIACERATOPSINAE Nesov, Kaznyshkina & Cherepanov, 1989

Genus: Bainoceratops TERESCHENKO & ALIFANOV, 2003
B. efremovi TERESCHENKO & ALIFANOV, 2003 (Type)

Genus: Protoceratops GRANGER & GREGORY, 1923
= Proceratops DONG, 1979 non LULL, 1906 (sic)
P. andrewsi GRANGER & GREGORY, 1923 (Type)
= Protoceratops andrewis [ANONYMOUS] 1990 (sic)
P. hellenikorhinus LAMBERT, GODEFROIT, LI, SHANG & DONG, 2001
P. sp

Subfamily: BAGACERATOPINAE emend Alifanov, 2003
= Family: BAGACERATOPIDAE Alifanov, 2003

Genus: Bagaceratops MARYANSKA, & OSMOLSKA, 1975
B. rozhdestvenskyi MARYANSKA & OSMOLSKA, 1975 (Type)
B. sp

Genus: Breviceratops KURZANOV, 1990
B. kozlowskii (MARANYASKA & OSMOLOSKA, 1975) KURZANOV, 1990
= Protoceratops kozlowskii MARYANSKA & OSMOLSKA, 1975

Subfamily: LEPTOCERATOPINAE Nopcsa, 1923
= Subfamily: LEPTOCERATOPSINAE Nopcsa, 1923

Genus: Leptoceratops BROWN, 1914
= Leptaceratops OSMOLSKA, 1986 (sic)
L. gracilis BROWN, 1914 (Type)
= Leptoceratops gravilis HUNT & LUCAS, 1992 (sic)
L. sp

Genus: Montanoceratops STERNBERG, 1951
M. cerorhynchus (BROWN & SCHLAIKJER, 1942) STERNBERG, 1951 (Type)
= Leptoceratops cerorhynchus BROWN & SCHLAIKJER, 1942
M. sp

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)
= CERATOPOSMORPHA Wolfe & Kirkland, 1998

Genus: Zuniceratops WOLFE & KIRKLAND, 1998
= Zuniceratops (ANONYMOUS, 1997)
= Nova WOLFE, KIRKLAND, DENTON & ANDERSON, 1997
Z. christopheri WOLFE & KIRKLAND, 1998 (Type)
= Zuniceratops christopheri (ANONYMOUS, 1997)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)
= Superfamily: CERATOPSOIDEA Marsh, 1888 (sensu Hay, 1902)

Incertae sedis
= Subfamily: MONOCLONIINAE Nopcsa, 1923 (sensu Nopcsa, 1928
= Subfamily: MONOCLONINAE Nopcsa, 1923

Genus: Dysganus COPE, 1876 (nomen dubium)
D. encaustus COPE, 1876 ( Type)
D. bicarinatus COPE, 1876 (nomen dubium)
D. haydenianus COPE, 1876 (nomen dubium)
D. peiganus COPE, 1876 (nomen dubium)

Genus: Magulodon KRANZ, 1996 (nomen dubium)
M. muirkirkensis KRANZ, 1996 (Type)

Genus: Monoclonius COPE, 1876 (nomen dubium)
= Monoclonius KUHN, 1964 (sic)
M. crassus COPE, 1876 (Type)
= Monoclonius sphenocerus COPE, 1889 (nomen dubium)
= Agathaumas sphenocerus (COPE, 1889) TORNIER, 1913 (nomen dubium)
= Styracosaurus sphenocerus (COPE, 1889) (nomen dubium)
Note: LAMBE, 1915 has been attributed for the renaming Monoclonius sphenocerus as Styracosaurus sphenocerus. This is incorrect. He never coined the name, but said there maybe a possibility that M. sphenocerus is Styracosaurus, but he never published that name.
= Monoclonius sphenoceras KEYES, 1894 (sic)
M? fissus COPE, 1889
M? lowei STERNBERG, 1940
M. sp

Genus: Trachodon LEIDY, 1856 (nomen dubium)
= Tracodon MORRIS, 1978 (sic)
T. mirabilis LEIDY, 1856 (Type)
= Hadrosaurus mirabilis (LEIDY, 1856) LEIDY, 1868 (nomen dubium)
= Trachodon mirabile NOPCSA, 1917 (sic)

Genus: Triceratops non MARSH, 1889
T? eurycephalus SCHLAIKJER, 1935 (nomen dubium)
T. olsoni (nomen dubium)
= Ugrosaurus olsoni COBABE & FASTOVSKY, 1987 (nomen dubium)

Genus: Turanoceratops NESOV & KAZNHSHKINA, 1989
T. tardabilis NESOV & KAZHNSHKINA, 1989 (Type)

Family: CERATOPIDAE Marsh, 1888
= Family: CERATOPSIDAE Marsh, 1888
= Family: AGATHAUMIDAE Cope, 1890 (not 1889)
= Family: AGATHAUMANTIDAE Cope, 1890 (not 1889)
= Family: CERATOPSOIDAE Marsh, 1888 (sensu Hay, 1930)
= Family: PACHYRHINOSAURIDAE C. M. Sternberg, 1950

Subfamily: PACHYRHINOSAURINAE [nomen novum ex PACHYRHINOSAURIDAE C. M. Sternberg, 1950]
= Parafamily: PACHYRHINOSAURINAE Sternberg, 1950 (sensu Olshevsky, 1998)

Genus: Achelousaurus SAMPSON, 1995
= Achelousaurus SAMPSON, 1993 (nomen nudum)
= Taxon C* HORNER, VARRICCHIO & GOODWIN, 1992
A. horneri SAMPSON, 1995 (Type)
= Achelousaurus horneri SAMPSON, 1993 (nomen nudum)

Genus: Einiosaurus SAMPSON, 1995
= Einiosaurus SAMPSON, 1993 (nomen nudum)
= Taxon A* Similar to Styracosaurus HORNER, VARRICCHIO & GOODWIN, 1992
= Taxon B* HORNER, VARRICCHIO & GOODWIN, 1992
E. procurvicornis SAMPSON, 1995 (Type)
= Einiosaurus procurvicornis SAMPSON, 1993 (nomen nudum)
= Styracosaurus makeli CZERKAS & CZERKAS, 1990 (nomen nudum)

Genus: Pachyrhinosaurus STERNBERG, 1950
P. canadensis STERNBERG, 1950 (Type)
P. Species: Nova NELMS, 1992
P. Species: Nova? TANKE, 2004

Subfamily: CENTROSAURINAE Lambe, 1915
= Subfamily: EUCENTROSAURINAE Olshevsky, 1991

Genus: Brachyceratops GILMORE, 1914
= Brachiceratops STERNBERG, 1927 (sic)
= Trachyceratips JOLEAUD, 1920 (sic)
B. montanensis GILMORE, 1914 (Type)
= Monoclonius montanensis (GILMORE, 1914) STERNBERG, 1949
B. sp

Genus: Centrosaurus LAMBE, 1904
= Eucentrosaurus CHURE & McINTOSH, 1989
= Centrasaurus RUSSELL, 1966 (sic)
= Eucenrosaurus NESOV, 1995 (sic)
= Monoclonius subgenus Centrosaurus LULL, 1933
C? recurvicornis (COPE, 1889) (nomen dubium)
= Monoclonius recurvicornis COPE, 1889 (nomen dubium)
= Ceratops recurvicornis (COPE, 1889) HATCHER vide STANTON & HATCHER, 1905 (nomen dubium)
= Centrosaurus recurvatus LANGSTON, 1975 (sic)
= Eucentrosaurus ? recurvicornis (COPE, 1889) CHURE & McINTOSH, 1989 (nomen dubium)
C. apertus LAMBE, 1904 (Type)
= Monoclonius apertus (LAMBE, 1904) KUHN, 1936
= Monoclonius subgenus Centrosaurus apertus (LAMBE, 1904) LULL, 1933
= Eucentrosaurus apertus (LAMBE, 1904) CHURE & McINTOSH, 1989
= Monoclonius dawsoni LAMBE, 1902 (referred specimen)
= Monoclonius dawsoni LAMBE, 1902
= Brachyceratops dawsoni (LAMBE, 1902) LAMBE, 1915
= Centrosaurus flexus BROWN, 1914
= Monoclonius flexus (BROWN, 1914) KUHN, 1936 via Monoclonius inflexus KUHN, 1936 (sic)
= Monoclonius subgenus Centrosaurus flexus (LAMBE, 1914) LULL, 1933
= Eucentrosaurus flexus (BROWN, 1914) CHURE & McINTOSH, 1989
= Monoclonius nasicornus BROWN, 1917
= Centrosaurus nasicornus (BROWN, 1917) LULL, 1933
= Eucentrosaurus nasicornus (BROWN, 1917) CHURE & McINTOSH, 1989
= Centrosaurus longirostris STERNBERG, 1940
= Monoclonius longirostris (STERNBRERG, 1940) KUHN, 1964
= Centrosaurus longirotris STERNBERG, 1940 (sic)
= Eucentrosaurus longirostris (STERNBRERG, 1940) CHURE & McINTOSH, 1989
C. cutleri (BROWN, 1917) L. S. RUSSELL, 1930
= Monoclonius cutleri BROWN, 1917
= Monoclonius subgenus Centrosaurus cutleri (BROWN, 1917) LULL, 1933
= Eucentrosaurus cutleri (BROWN, 1917) CHURE & McINTOSH, 1989
C. Nova RYAN & RUSSELL, 2003
C. sp

Genus: Styracosaurus LAMBE, 1913
= Stylacosaurus CHARIG & HORSFIELD, 1975 (sic)
S. albertensis LAMBE, 1913 (Type)
= Monoclonius albertensis (LAMBE, 1913) LEAHY, 1987
= Styracosaurus parksi BROWN & SCHLAIKJER, 1937
= Styracosaurus borealis BROWN via OLSHEVSKY, 1992
Note: The species name was never published but was on a file photograph of Styracosaurus parksi at the AMNH.
S. ovatus GILMORE, 1930
S. sp

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919) (emend)
= Subfamily: CERATOPSINAE Marsh, 1888 (sensu Abel, 1919)

Genus: Agathaumas COPE,1872
= Agathaumus HAY, 1901 (sic)
A. sylvestris COPE, 1872 (Type)
= Agathaumas silvestre COPE, 1892 (sic)
= Agathaumas sylvestre COPE, 1890 (not 1889) (sic)
= Triceratops sylvestris (COPE, 1872) KUHN, 1936 (nomen dubium)
= Triceratops silvestris (COPE, 1872) (KUHN, 1936 (nomen dubium)

Genus: Ceratops MARSH, 1888/RAFINESQUE, 1815
= Proceratops LULL, 1906
C. montanus MARSH, 1888 (Type)
= Proceratops montanus (MARSH, 1888) LULL, 1906
= Triceratops montanus (MARSH, 1888) [sic; typographical error in OSTROM & WELLNHOFER, 1986; J. H. Ostrom, pers. comm.to OLSHEVSKY]

Tribe: CHASMOSAURINI Lambe, 1915
= Subfamily: CHASMOSAURINAE Lambe, 1915
= Subfamily: EOCRATOPSINAE Lambe, 1915

Genus: Anchiceratops BROWN, 1914
A. ornatus BROWN, 1914 (Type)
A. longirostris STERNBERG, 1929
A. sp

Genus: Chasmosaurus LAMBE, 1914
= Chamosaurus STERNBERG, 1940 (sic)
= Chasamosaurus STERNBERG, 1932 (sic)
= Chasmatosaurus MARYANSKA & OSMOLSKA, 1979/HAUGHTON, 1924 (sic)
= Protorosaurus LAMBE, 1914/ MEYER, 1830
C. belli (LAMBE, 1902) LAMBE, 1914 (Type)
= Monoclonius belli LAMBE, 1902
= Ceratops belli (LAMBE, 1902) HATCHER vide STANTON & HATCHER, 1905
= Protorosaurus belli (LAMBE, 1902) LAMBE, 1914
= Chasmosaurus brevirostris LULL, 1933
C. kaiseni? BROWN, 1933
C? russelli STERNBEG, 1940
= Chasmosaurus russelli STERNBERG, 1940 (sic)
C. mariscalensis LEHMAN, 1989
C. irviensis HOLMES, FORSTER, RYAN & SHEPHERD, 2001
C. sp

Genus: Eoceratops LAMBE, 1915
E. canadensis (LAMBE, 1902) LAMBE, 1915
= Monoclonius canadensis LAMBE, 1902
= Ceratops canadensis (LAMBE, 1902) HATCHER vide STANTON & HATCHER, 1905
= Chasmosaurus canadensis (LAMBE, 1902) LEHMAN, 1990

Genus: Pentaceratops OSBORN, 1923
P. sternbergi OSBORN, 1923 (emend LEHMAN, 1998) (Type)
= Chasmosaurus sternbergi (OSBORN, 1923) PAUL, 1887
= Pentaceratops sternbergii OSBORN, 1923
P. fenestratus WIMAN, 1930
P. Species: Nova? DIEM & ARCHIBALD, 2000
P. sp

Genus: Torosaurus MARSH, 1891
T. latus MARSH, 1891 (Type)
= Triceratops galeus MARSH, 1889 (nomen dubium)
= Torosaurus gladius MARSH, 1891
T. utahensis (GILMORE, 1946) LAWSON, 1976
= Arrhinoceratops utahensis GILMORE, 1946
T. sp

Genus: Avaceratops DODSON, 1986
A. lammersorum DODSON, 1986 (Type)
= Avaceratops lammersi DODSON, 1986

Genus: Triceratops MARSH, 1889
= Claorhynchus COPE, 1892 (nomen dubium)
= Diceratops HATCHER vide LULL, 1905/MARSH, HATCHER & LULL, 1907
= Polponax OSBORN, 1902 (sic)
= Polygonax HATCHER, 1902 (sic)
= Polyonax COPE, 1874 (nomen dubium)
= Sterrholophus MARSH, 1891
= Ticeratops PARKS, 1925 (sic)
= Triceratops subgenus Diceratops LULL, 1933
= Tricerotops STOKES, 1988 (sic)
= Trioceratops KEYES, 1894 (sic)
= Trisceratops KEYES, 1894 (sic)
= Ugrosaurus COBABE & FASTOVSKY, 1987
T? alticornis (MARSH, 1887) HATCHER vide LULL, 1905/MARSH, HATCHER & LULL, 1907 (nomen dubium)
= Bison alticornis MARSH, 1887 (nomen dubium)
= Ceratops alticornis (MARSH, 1887) MARSH, 1889 (nomen dubium)
T. horridus (MARSH, 1889) MARSH, 1889 (Type)
= Ceratops horridus MARSH, 1889
= Polyonax mortuarius COPE, 1874 (nomen dubium)
= Agathaumas mortuarius (COPE, 1874) HAY, 1901 (nomen dubium)
= Triceratops flabellatus MARSH, 1889
= Sterrholophus flabellatus (MARSH, 1889) MARSH, 1891
= Trioceratops flabellatus KEYES, 1894 (sic)
= Triceratops serratus MARSH, 1890
= Triceratops sulcatus MARSH, 1890 (nomen dubium)
= Triceratops elatus MARSH, 1891
= Trisceratops elatus KEYES, 1894 (sic)
= Claorhynchus trihedrus COPE, 1892 (nomen dubium)
= Triceratops obtusus MARSH, 1898
= Triceratops calicornis MARSH, 1898
= Triceratops californis WOLCOTT, 1900 (sic)
= Diceratops hatcheri HATCHER vide LULL, 1905/MARSH, HATCHER & LULL, 1907
= Triceratops hatcheri (HATCHER vide LULL, 1905/MARSH, HATCHER & LULL, 1907)
= Triceratops subgenus Diceratops hatcheri (HATCHER vide LULL, 1905/MARSH, HATCHER & LULL, 1907) LULL, 1933
= Diceratops hatcheri HATCHER vide LULL, 1905/MARSH, HATCHER & LULL, 1907
= Triceratops ingens LULL, 1915 (nomen dubium)
= Triceratops maximus BROWN, 1933
= Triceratops sternbergii FORSTER 1993 (nomen nudum)
T. prorsus MARSH, 1890
= Agathaumas prorsus (MARSH, 1890) LYDEKKER, 1893
= Triceratops brevicornus HATCHER, 1905
T. albertensis STERNBERG, 1949
T. sp

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