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.
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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
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ARIZONA
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
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: MASSOSPONDYLIDAE Huene, 1914
Massospondylus nova?
= Massospondylus spCOHORT: 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: SCELIDOSAURIDAE Cope, 1869
Scelidosaurus sp
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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.
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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
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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
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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
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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
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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
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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
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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.
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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
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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
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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.
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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.
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