ARIZONA
NAVAJO COUNTY
JUST SE OF WOODRUFF
LITTLE COLORADO RIVER VALLEY
HOLBROOK MEMBER
MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: TANYSTROPHAEA ROMER, 1933
Family: TANYSTROPHEIDAE Geravis, 1858
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MONUMENT VALLEY
MYSTERY VALLEY AREA
LOCALITY 1
DE CHELLY SANDSTONE
LATE CISURALIAN (ROTLIGENDES) EPOCH
EARLY PERMIAN
ICHNOSTEM: TETRAPODIPIDA NOVA
_____________________________________________________________________________________ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: DIAPSIDIPIDII NOVA
ICHNOORDER: ARAEOSCELIDIPEDIDA EMEND HAUBOLD, 1971
Family: Incerate sedis
Dromopus sp
ICHNOSUBCLASS: SYNAPSIDIPIDA NOVA
ICHNOORDER: PELYCOSAURIIPEDII NOVA
ICHNOSUBORDER: EUPELYCOSAURIPEDII NOVA
ICHNOINFRAORDER: DIMETRODONTOMORPHIPIDA NOVA
Ichnofamily: SPHENACODONTIDPEDIA emend HAUBOLD, 1971
Laoporus sp
ARIZONA
NAVOJO COUNTY
MONUMENT VALLEY AREA
DE CHELLY FORMATION
LATE CISURALIAN (ROTLIGENDES) EPOCH
EARLY PERMIAN
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: AMPHIBIPIDIDA NOVA
ICHNOSUBCLASS: REPTILIOMORPHIPEDIDII NOVA
ICHNOORDER: SEYMOURIAMORPHIPEDIDII NOVA
ICHNOSUBORDER: SEYMOURIDIPEDIDANOVA
Ichnosuperfamily: KOTLASSOIDIPEDIDAE Nova
Ichnofamily: DISCOSAURISCIDAE emend HAUBOLD, 1971
Amphisauropus isp
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: PARAREPTILIPEDIA NOVA
ICHNOSUBCLASS: PARAREPTILIPEDIA NOVA
Incertae sedis
Ichniotherium sphaerodactylum
ICHNOINFRACLASS: SAUROPSIDIPEDIDI NOVA
ICHNOORDER: COTYLOSAURIPEDII EMEND VIALOV, 1966
Incertae sedis
Erpetopus isp
_____________________________________________________________________________________
ARIZONA
NAVOJO COUNTY
SHOW LOW
SCHNEBLY HILL FORMATION
EARLY PERMIAN
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOSUBCLASS: SYNAPSIDIPIDA NOVA
ICHNOORDER: PELYCOSAURIIPEDII NOVA
ICHNOSUBORDER: EUPELYCOSAURIPEDII NOVA
ICHNOINFRAORDER: DIMETRODONTOMORPHIPIDA NOVA
Ichnofamily: SPHENACODONTIDPEDIA emend HAUBOLD, 1971
Dimetropus sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NEAR I-40 NEAR JOSEPH CITY
HOLBROOK MEMBER
MOENKOPI FORMATION
EARLY ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: AMPHIBIPIDIDA NOVA
ICHNOSUBCLASS: LABYRINTHODONTIPIPIDII NOVA
ICHNOORDER: RHACHITOMIPEDIDA NOVA
ICHNOPARVORDER: EDOPIFORMIPEDIDA NOVA
ICHNOSUBORDER: CAPITOSAUROIDIPEDII NOVA
Ichnosuperfamily: CAPITOSAUROIDIPEDIA Nova
Ichnofamily: CAPITOSAURIDAE emend HAUBOLD, 1970
Capitosauroides sp
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: DIAPSIDIPIDII NOVA
ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA
ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA
ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA
ICHNOMAGNORDER: SUCHIPEDIA NOVA
ICHNOSUPERORDER: PSEUDOSUCHIPEDOIDEI EMEND VIALOV, 1966
Ichnofamily: CHIROTHERIIDAE emend Abel, 1835
Chirotherium barthii
Chirotherium rexProchirotherium sp
ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA
Ichnofamily: ROTODACTYLIDAE Peabody, 1948
Rotodactylus sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MITCHELL BUTTE (i)
ORGAN ROCK SHALE
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
ORDER: COTYLOSAURIA COPE, 1880
SUBORDER: DIADECTOMORPHA Watson, 1917
Family: DIADECTIDAE Cope, 1880
Diadectes sp
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
Ophiacodon sp
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: SPHENACODONTINI Marsh, 1878
Sphenacodon cf. S. ferocior
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon sp
ARIZONA
MITCHELL BUTTE (ii)
ORGAN ROCK SHALE
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Gen. sp indet.
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon sp
ARIZONA
NAVAJO COUNTYEAST OF MICHELL BUTTE
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops sp
ARIZONA
MITTEN BUTTES
ORGAN ROCK SHALE
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
ORDER: COTYLOSAURIA COPE, 1880
SUBORDER: DIADECTOMORPHA Watson, 1917
Family: DIADECTIDAE Cope, 1880
Diadectes sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NEAR HOLBROOK
LATE MOENKOPI FORMATION
ANISIAN STAGE
LOWER MIDDLE TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
Incertae sedis
Gen. sp indet.
ARIZONA
NEAR HOLBROOK
CHINLE GROUP
CARNIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
SUPERORDER: PARASUCHIMORPHA NOVA
ORDER: PARASUCHIA HUXLEY, 1875
Family: ANGISTORHINIDAE Huene, 1936
Subfamily: RUTIODONTINAE Long & Murry, 1995
Rutiodon sp
ARIZONA
NAVAJO COUNTY
NAVAJO AREA
PORTER RANCH
UCMP 7048
UPPER PETRIFIED FOREST FORMATION
CHINLE GROUP
EARLY NORIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
SUPERORDER: PARASUCHIMORPHA NOVA
ORDER: PARASUCHIA HUXLEY, 1875
Family: ANGISTORHINIDAE Huene, 1936
Subfamily: PSEUDOPALATINAE, Long & Murry, 1995
Gen sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO AREA
MUD SPRING
UCMP 7049
UPPER PETRIFIED FOREST FORMATION
CHINLE GROUP
EARLY NORIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
SUPERORDER: PARASUCHIMORPHA NOVA
ORDER: PARASUCHIA HUXLEY, 1875
Family: ANGISTORHINIDAE Huene, 1936
Subfamily: PSEUDOPALATINAE, Long & Murry, 1995
Gen sp indet.
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: TERATOSAURIDAE Cope 1871
Subfamily: TERATOSAURINAE Cope 1871
Tribe: TERATOSAURINI Cope, 1871 (sensu Sennikov, 1995) (emend) from Tribe RAUISUCHINI Huene, 1942
Postosuchus kirkpatricki
ARIZONA
NAVAJO COUNTY
PUMPKIN PATCH LOCALITY
UMCP LOC V6899
NW OF THE KAYENTA
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPIDA BROOM, 1905
GRANDORDER: EUTHERAPSIDA
MICRORDER: NEOTHERAPSIDA
ORDER: THERIODONTIA OWEN, 1881
EUTHERIODONTIA
SUBORDER: CYNODONTIA OWEN, 1860
EPICYNODONTIA HOPSON & KITCHING, 2001
INFRAORDER: EUCYNODONTIA
MAMMALIAMORPHA ROWE, 1988
Superfamily: TRITYLODONTIA Cope, 1884 (sensu Kuhne, 1943)
Family: TRITYLODONTIDAE Cope, 1884
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 98-48
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 99-84
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 00-93
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 00-103
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 00-104
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 02-136
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 02-140
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 02-145
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MNA 208-5
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MNA 208-1
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MNA 208-2
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MNA 2247-1
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONANAVAJO COUNTY
ABOUT 25 MILES EAST OF KAYENTA
NAVAJO SANDSTONE
EARLY JURASSIC
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: DIAPSIDIPIDII NOVA
ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA
ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA
ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA
ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA
ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA
ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA
ICHNOCOHORT: THEROPODIPEDIA NOVA
Incerate sedis
Gen. sp indet.
ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA
ICHNOSUPERORDER: PROSAUROPODAMORPHIPIDA NOVA
ICHNOORDER: PROSAUROPODINA VYLOV, 1988
Ichnofamily: NAVHOPODIDAE Olsen & Galton, 1984
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
JENNINGS QUARRY
V 4927
MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: CAPITOSAURIA ROMER, 1947
Superfamily: CAPITOSAUROIDEA Watson, 1919 (sensu Romer, 1947)
Family: CYCLOTOSAURIDAE Shiskin, 1964
Subfamily: CYCLOTOSAURINAE Shiskin, 1964 (sensu Otshev, 1966)
Incerate sedis
*Quaiscylotosaurus campi
Subfamily: HEYLEROSAURINAE Shishkin, 1980
Eocyclotosaurus wellesi
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
6 MILES NW OF ADAMANA
LITHODENDRON (CARRIZO) CREEK
LOWER CARRIZO FOSSIL HORIZON
346 FEET ABOVE THE BASE OF THE CHINLE AND SHINARUMP FORMATIONS
LOWEST CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
SUPERORDER: PARASUCHIMORPHA NOVA
ORDER: PARASUCHIA HUXLEY, 1875
Family: ANGISTORHINIDAE Huene, 1936
Subfamily: RUTIODONTINAE Long & Murry, 1995
Smilosuchus lithodendrorum
= *Machaeroprosopus lithodendrorum
= Rutiodon lithodendrorum
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
KAYENTA
USGS FOSSIL VERTEBRATE LOCALITY DI
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPIDA BROOM, 1905
GRANDORDER: EUTHERAPSIDA
MICRORDER: NEOTHERAPSIDA
ORDER: THERIODONTIA OWEN, 1881
EUTHERIODONTIA
SUBORDER: CYNODONTIA OWEN, 1860
EPICYNODONTIA HOPSON & KITCHING, 2001
INFRAORDER: EUCYNODONTIA
MAMMALIAMORPHA ROWE, 1988
Superfamily: TRITYLODONTIA Cope, 1884 (sensu Kuhne, 1943)
Family: TRITYLODONTIDAE Cope, 1884
Kayentatherium wellesi
= *Nearctylodon broomi
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOLBROOK
MOENKOPI FORMATION
HOLBROOK MEMBER
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: TREMATOSAURIA PIVETEAU, 1955
Superfamily: TREMATOSAUROIDEA Watson, 1919 (sensu Save-Soderbergh, 1935)
Family: TREMATOSAURIDAE Watson, 1919
Subfamily: LONCHORHYNCHINAE Save-Soderbergh, 1935
Gen. Sp indet.
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: RHYNOCEPHALIA nova
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Family: RHYNCHOSAURIDAE Huxley, 1887
Gen. sp indet.
SUPERCOHORT: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
MAGNORDER: PROTOROSAURIA HUXLEY, 1871
Genus nova?
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: POPOSAURIDAE Nopcsa, 1928
Genus nova
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
SUPERORDER: HERRASAURA NOVA
ORDER: HERRERASAURIA GALTON, 1985
Family: HERRERASAURIDAE Benedetto, 1973
Genus nova
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 00-99
MOENKOPI FORMATION
HOLBROOK MEMBER
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Family: RHYNCHOSAURIDAE Cope, 1870 sensu Huxley, 1887
Subfamily: STENAULORHYNCHINAE Kuhn, 1933 sensu Langer & Schultz, 2000
Ammorhynchus navajoi
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 00-103
MOENKOPI FORMATION
HOLBROOK MEMBER
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Family: RHYNCHOSAURIDAE Cope, 1870 sensu Huxley, 1887
Subfamily: STENAULORHYNCHINAE Kuhn, 1933 sensu Langer & Schultz, 2000
Ammorhynchus navajoi
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 00-103
MOENKOPI FORMATION
HOLBROOK MEMBER
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Incertae sedis
Ammorhynchus navajoi
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 01-153
MOENKOPI FORMATION
HOLBROOK MEMBER
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Family: RHYNCHOSAURIDAE Cope, 1870 sensu Huxley, 1887
Subfamily: STENAULORHYNCHINAE Kuhn, 1933 sensu Langer & Schultz, 2000
*Ammorhynchus navajoi
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
MSM 02-145
MOENKOPI FORMATION
HOLBROOK MEMBER
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Family: RHYNCHOSAURIDAE Cope, 1870 sensu Huxley, 1887
Subfamily: STENAULORHYNCHINAE Kuhn, 1933 sensu Langer & Schultz, 2000
Ammorhynchus navajoi
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CTENOSAURISCHIDAE, Kuhn, 1964
Arizonasaurus babbitti
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOLBROOK QUARRY
UC V3911
UPPER MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
Incertae sedis
*Anisodontosaurus greeri
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOLBROOK QUARRY
V 3922
MOENKOPI FORMATION
ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: CAPITOSAURIA ROMER, 1947
Superfamily: CAPITOSAUROIDEA Watson, 1919 (sensu Romer, 1947)
Family: CYCLOTOSAURIDAE Shiskin, 1964
Subfamily: HEYLEROSAURINAE Shishkin, 1980
*Eocyclotosaurus wellesi
Eocyclotosaurus spCLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
Incertae sedis
*Platynotosaurus leuppensis
SUPERCOHORT: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
MAGNORDER: PROTEROSUCHIFORMES nova
ORDER: PROTEROSUCHIA BROOM, 1906
Incertae sedis
*Hadrokkosaurus bradyi
= Taphrognathus bradyi
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NEAR JOSEPH CITY
CHINLE GROUP
CARNIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: TREMATOSAURIA PIVETEAU, 1955
Superfamily: METOPOSAUROIDEA Watson, 1919
Incertae sedis
Non *Buettneria major
_____________________________________________________________________________________
NAVAJO COUNTY
NAVAJO NATION
NEAR THE BASE OF ROCK HEAD
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: CERATOSAURIA NOVAS, 1992
ORDER: COELOPHYSIA NOVA
SUBORDER: COELOPHYSOIDEA (NOPCSA, 1928) HOLTZ, 1994
Superfamily: PODOKESAUROIDEA Madsen & Welles, 2000
Family: DILOPHOSAURIDAE Charig & Milner, 1990
Subfamily: DILOPHOSAURINAE Charig & Milner, 1990 (sensu Madsen & Welles, 2000)
Dilophosaurus wetherilli
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NAVAJO INDIAN RESERVATION
OWL ROCK FORMATION
UPPER CHINLE GROUP
LATE CARNIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
VETEROVATA
PTEROSAURIAN?
Gen. sp indet.
OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NAVAJO INDIAN RESERVATION
NEAR ROCK HEAD
MNA LOCALITY 219-0
KAYENTA FORMATION
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: CERATOSAURIA NOVAS, 1992
ORDER: COELOPHYSIA NOVA
SUBORDER: COELOPHYSOIDEA (NOPCSA, 1928) HOLTZ, 1994
Superfamily: PODOKESAUROIDEA Madsen & Welles, 2000
Family: PODOKEOSAURIDAE Huene, 1914
Subfamily: COELOPHYSINAE Nopcsa, 1928
Syntarsus kayentakatae
Family: DILOPHOSAURIDAE Charig & Milner, 1990
Subfamily: DILOPHOSAURINAE Charig & Milner, 1990 (sensu Madsen & Welles, 2000)
Dilophosaurus wetherilli
COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: EURYOPDA SERENO, 1986
GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)
ORDER: ANKYLOSAURIA OSBORN, 1923
SUBORDER: SCELIDOSAURIA COOPER, 1985
Family: SCUTELLOSAURIDAE Lambert, 1990
*Scutellosaurus lawleri
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NW OF ROCK HEAD
HARVARD MUSEUM OF COMPARATEIVE ZOOLOGY 77 AR/4
KAYENTA FOMATION
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: EURYOPDA SERENO, 1986
GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)
ORDER: ANKYLOSAURIA OSBORN, 1923
SUBORDER: SCELIDOSAURIA COOPER, 1985
Family: SCUTELLOSAURIDAE Lambert, 1990
Scutellosaurus lawleri
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NAVAJO INDIAN RESERVATION
UCMP V338
NAVAJO SANDSTONE
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: CERATOSAURIA NOVAS, 1992
ORDER: COELOPHYSIA NOVA
SUBORDER: COELOPHYSOIDEA (NOPCSA, 1928) HOLTZ, 1994
Superfamily: PODOKESAUROIDEA Madsen & Welles, 2000
Incertae sedis
*Segisaurus halli
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NW OF SEGI CANYON
NAVAJO SANDSTONE
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
ORDER: PROSAUROPODA HUENE, 1920 (emend)
SUBORDER: PLATEOSAURIA TORNIER, 1913
Family: PLATEOSAURIDAE Marsh, 1895
Ammosaurus major
Note: Massospondylus sp? Clark & Fastovsky 1984
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
ON THE PLATEAU BETWEEN NAVAJO AND CHANTO CANYONS
ABOUT 2 1/2 M E OF INSCRUPTION HOUSE LODGE
NAVAJO SANDSTONE
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
Incertae sedis
Gen. sp indet.
= Ammosaurus cf. majorORDER: PROSAUROPODA HUENE, 1920 (emend)
SUBORDER: PLATEOSAURIA TORNIER, 1913
Family: PLATEOSAURIDAE Marsh, 1895
Gen. sp indet.
= Ammosaurus cf major
Note: Massospondylus sp? Clark & Fastovsy, 1984
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NAVAJO INDIAN RESERVATION
300 YARDS E OF ROAD TO THE BETATKIN RUIN
NAVAJO SANDSTONE
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
ORDER: PROSAUROPODA HUENE, 1920 (emend)
SUBORDER: PLATEOSAURIA TORNIER, 1913
Family: PLATEOSAURIDAE Marsh, 1895
Ammosaurus major
= Anchisaurus major
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
ABOUT 30 M SSE OF TUBA CITY
ADEII ECHII CLIFFS
KAYENTA FORMATION
?SINEMURIAN-PLIENSBACHIEN STAGE
MIDDLE LIAS EPOCH
EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
UNNAMED RANK: MAMMALIFORMES ROWE, 1988
ORDER: MORGANUCODONTA KERMACK, MUSSETT & RIGNEY, 1973
Family: MORGANUCODONTIDAE Kuhne, 1958
Eozostrodon sp
Family: MEGAZOSTRODONTIDAE Gow, 1986
*Dinnetherium nezorum
ORDER: HARAMIYOIDEA (HAHN, 1973) McKENNA & BELL, 1997
SUBORDER: HARAMIYOIDEA HAHN, 1973
Family: HARAMIYIDAE Simpson, 1947
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
NORTH OF THE HIGWAY (NAVAJO 1) TO TUBA CITY
UCMP V-4214
KAYENTA FORMATION
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: CERATOSAURIA NOVAS, 1992
ORDER: COELOPHYSIA NOVA
SUBORDER: COELOPHYSOIDEA (NOPCSA, 1928) HOLTZ, 1994
Superfamily: PODOKESAUROIDEA Madsen & Welles, 2000
Family: DILOPHOSAURIDAE Charig & Milner, 1990
Subfamily: DILOPHOSAURINAE Charig & Milner, 1990 (sensu Madsen & Welles, 2000)
*Dilophosaurus wetherilli
= Megalosaurus wetherilli
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
1/4 M S OF THE TYPE OF DILOPHOSAURUS
KAYENTA FORMATION
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: CERATOSAURIA NOVAS, 1992
ORDER: COELOPHYSIA NOVA
SUBORDER: COELOPHYSOIDEA (NOPCSA, 1928) HOLTZ, 1994
Superfamily: PODOKESAUROIDEA Madsen & Welles, 2000
Family: DILOPHOSAURIDAE Charig & Milner, 1990
Subfamily: DILOPHOSAURINAE Charig & Milner, 1990 (sensu Madsen & Welles, 2000)
*Dilophosaurus breedorum
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
RINCON BASIN
LOWER PETRIFIED FOREST FORMATION
CHINLE GROUP
LATE CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: LESOTHOSAURIA OLSHEVSKY, 1991 (emend)
ORDER: LESOTHOSAURIA OLSHEVSKY, 1991
Family: LESOTHOSAURIDAE L. B. Halstead & J. Halstead, 1981
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
NORTHEASTERN ARIZONA
NAVAJO COUNTY
NAVAJO AND HOPI TRIBAL LAND
NEAR ORAIBI
BLACK MESA AREA
BLUE POINT
MNA LOCALITY 262
12 M ABOVE THE BASE OF THE MANCOS SHALE
TURONIAN STAGE
UPPER GALLIC FORMATION
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988
INFRAORDER: CHELONOIDEA GAFFNEY & MEYLAN, 1988
Superfamily: EUCHELONIOIDEA Gaffney & Meylan, 1988
Family: DESMATOCHELIDAE Williston, 1894
Desmatochelys lowii
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
TSEGI CANYON LOCALITY
KAYENTA FORMATION
?SINEMURIAN-PLIENSBACHIEN STAGE
MIDDLE LIAS EPOCH
EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
FIVE BUTTES LOCALITY
MNA 1061
OWL ROCK FORMATION
UPPER CHINLE GROUP
LATE CARNIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: CHATTERJEEIDAE Long & Murry, 1995
Chatterjeea elegans
ORDER: AETOSAURIA NICHOLSON & LYDEKKER, 1889
Family: STAGONOLEPIDIDAE Lydekker, 1887
Subfamily: DESMATOSUCHINAE Huene, 1942
Typothorax coccinarum
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
EASTERN MARGIN OF RINCON BASIN
LOWER PETRIFIED FOREST FORMATION
CHINLE GROUP
LATEST CARNIAN STAGE
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: AETOSAURIA NICHOLSON & LYDEKKER, 1889
Family: STAGONOLEPIDIDAE Lydekker, 1887
Subfamily: DESMATOSUCHINAE Huene, 1942
Desmatosuchus haplocerus
= Episcoposaurus haplocerus
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
KAYENTA
LEWIS TRITYLODONT LOCALITY
KAYENTA FORMATION
?SINEMURIAN-PLIESBACHIAN STAGE
MIDDLE LIAS EPOCH
MIDDLE EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
ORDER: PROTOSUCHIA emend MOOK, 1934
Superfamily: PROTOSUCHOIDEA Brown, 1933 (sensu Deraniyagala, 1939)
Family: PROTOSUCHIDAE Brown, 1933
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
NEAR KAYENTA
BLACK MESA
MANCOS SHALE
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
BLACK MESA BASIN
MNA 222
MANCOS SHALE
CENOMANIAN-TURONIAN STAGE BOUNDARY
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
TRICLEDIA O’KEEFE , 2001
Family: POLYCOTYLIDAE Cope, 1869
Incertae sedis
Trinacromerium sp
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: LEPIDOSAUROMORPHA BENTON, 1983
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SQUAMATA, OPPEL, 1811
SUPERORDER: LACERTILIA OWEN, 1842
GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961
MICRORDER: SCINCOMORPHA CAMP, 1923
ORDER: ANGUIMORPHA FURBRINGER, 1900
SUBORDER: DIPLOGLOSSA COPE, 1864
INFRAORDER: THECAGLOSSA COPE, 1890
PARVORDER: MONSTERSAURIA NORELL & GAO, 1977
Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)
Family: MOSASAURIDAE Gervais, 1853
Gen. sp indet.
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
BLACK MESA BASIN
MNA 236
MANCOS SHALE
CENOMANIAN-TURONIAN STAGE BOUNDARY
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
TRICLEDIA O’KEEFE , 2001
Family: POLYCOTYLIDAE Cope, 1869
Incertae sedis
Trinacromerium sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
BLACK MESA BASIN
MNA 245
MANCOS SHALE
CENOMANIAN-TURONIAN STAGE BOUNDARY
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
TRICLEDIA O’KEEFE , 2001
Family: POLYCOTYLIDAE Cope, 1869
Incertae sedis
Trinacromerium sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
BLACK MESA BASIN
MNA 262
MANCOS SHALE
CENOMANIAN-TURONIAN STAGE BOUNDARY
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
TRICLEDIA O’KEEFE , 2001
Family: POLYCOTYLIDAE Cope, 1869
Incertae sedis
Trinacromerium sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
BLACK MESA BASIN
MNA 296
MANCOS SHALE
CENOMANIAN-TURONIAN STAGE BOUNDARY
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
TRICLEDIA O’KEEFE , 2001
Family: POLYCOTYLIDAE Cope, 1869
Incertae sedis
Trinacromerium sp
_____________________________________________________________________________________
ARIZONA
NAVAJO COUNTY
HOPI INDIAN RESERVATION
BLACK MESA BASIN
MNA 383
MANCOS SHALE
CENOMANIAN-TURONIAN STAGE BOUNDARY
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
TRICLEDIA O’KEEFE , 2001
Family: POLYCOTYLIDAE Cope, 1869
Incertae sedis
Trinacromerium sp
_____________________________________________________________________________________