ENGLAND
SOMERSET COUNTY
NEAR FROME (NOT AUST CLIFF)
HOLWELL
HOLWELL FISSURE FILL
RHAETIAN STAGE
UPPERMOST LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
OR NEODIAPSIDA: INCERTAE SEDIS
ORDER: PLACODONTIA MEYER, 1863
SUBORDER: CYMODONTOIDEA NOPCSA, 1923
Superfamily: PLACOCHELYIDA Jaekel, 1907 (sensu Romer, 1956)
Family: PLACOCHELYIDAE Jaekel, 1907
*Psephoderma anglicum
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SPHENODONTIFORMES Hay, 1930
ORDER: SPHENODONTIA WILLISTON, 1925
Family: BRACHYRHINODONTIDAE Huene, 1948
Clevosaurus aff hudsoni
Family: SPHENODONTIDAE Cope, 1869
Diphydontosaurus avonis
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: CHINQUODONTOIDEA Huene, 1936
Family: DROMATHERIIDAE Gill, 1872
Pseudotriconodon wildi
UNNAMED RANK: MAMMALIFORMES ROWE, 1988
ORDER: MORGANUCODONTA KERMACK, MUSSETT & RIGNEY, 1973
Family: MORGANUCODONTIDAE Kuhne, 1958
*Eozostrodon parvus
= *Eozostrodon problematicusORDER: HARAMIYOIDEA (HAHN, 1973) McKENNA & BELL, 1997
SUBORDER: HARAMIYOIDEA HAHN, 1973
Family: HARAMIYIDAE Simpson, 1947
*Haramiya moorei
= Microcleptes moorei
= Microlestes (Plagiaulax) moorei
*Haramiya fissurae
= Microleptes fissurae
Haramiya spThomasia antiqua
= Microlestes antiquus
= Haramiya antiqua
Thomasia anglicaGen. sp indet.
CLASS: MAMMALIA LINNAEUS, 1758
SUBCLASS: PROTOTHERIA GILL, 1872
INFRACLASS: HOLOTHERIA (WIBEL, ROUGIER, NOVACEK, MCKENNA & DASHZEVEG, 1995) MCKENNA & BELL, 1997
SUPERLEGION: KUENHNEOTHERIA In McKENNA & BELL, 1997
Family: KUEHNEOTHERIIDAE Kermack, Kermack & Mussett, 1968
Kuehneotherium sp
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ENGLAND
SOMERSET COUNTY
CHILCOLMPTON
WB 1
BASAL BONE-BED
RHAETIAN STAGE
LATEST 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 CHORISTODERA NOVA
ORDER: CHORISTODERA COPE, 1876
Family: PACHYSTROPHEIDAE Kuhn, 1961
Pachystropheus rhaeticus
= Rysosteus oweni
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ENGLAND
SOMERSET COUNTY
BLUE ANCHOR POINT
WESTBURY FORMATION
PENARTH GROUP
RHAETIAN STAGE
LATEST 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 CHORISTODERA NOVA
ORDER: CHORISTODERA COPE, 1876
Family: PACHYSTROPHEIDAE Kuhn, 1961
*Pachystropheus rhaeticus
= Rysosteus oweni
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ENGLAND
SOMERSET COUNTY
NEAR WATCHET
BLUE ANCHOR POINT
BLUE ANCHOR FORMATION
LOWER PART OF THE EARLY RHAETIAN STAGE
UPPERMOST LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
UNNAMED RANK: MAMMALIFORMES ROWE, 1988
ORDER: HARAMIYOIDEA (HAHN, 1973) McKENNA & BELL, 1997
SUBORDER: HARAMIYOIDEA HAHN, 1973
Family: HARAMIYIDAE Simpson, 1947
*Haramiya rhaeticus
= Hypsiprymnopsis rhaetica
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ENGLAND
SOMERSET COUNTY
MENDIP
RHAETIAN STAGE
UPPERMOST 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
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
ORDER: PROSAUROPODA HUENE, 1920 (emend)
Family: THECODONTOSAURIDAE Lydekker, 1890
Thecodontosaurus sp
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ENGLAND
SOMERSET COUNTY
WEDMORE HILL
WEDMORE STONE MEMBER
WESTBURY FORMATION
PENARTH GROUP
RHAETIAN STAGE
UPPERMOST 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: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: TETANURAE GAUTHIER, 1986
ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL & SUES, 1994
SUBORDER: CARNOSAURIA HUENE, 1920
Superfamily: Incertae sedis
Family: MEGALOSAURIDAE Huxley, 1889
Incertae sedis
Newtonsaurus cambrensis
= Avalonia sanfordi (teeth)
= Avalonianus sanfordi (teeth)
= Picrodon herveyi (teeth)
= Megalosaurus? cambrensisCOHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)
MICRORDER: SAUROPODA MARSH, 1878
Family: MELANOROSAURIDAE Huene, 1929
*Camelotia borealis
= Avalonia sanfordi (postcranial material)
= Avalonianus sanfordi (postcranial material)
= Picrodon herveyi (postcranial material)
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ENGLAND
SOMERSET COUNTY
WEDMORE BEDS
RHAETIAN STAGE
UPPERMOST 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: THEROPODA EMEND MARSH, 1881
Incertae sedis
Gen sp indet.
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ENGLAND
SOMERSET COUNTY
SHEPTON MALLET
WESTBURY FORMATION
RHAETIAN STAGE
UPPERMOST 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: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
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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ENGLAND
SOMERSET COUNTY
WESTBURY FORMATION
RHAETIAN STAGE
UPPERMOST 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
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
ORDER: PROSAUROPODA HUENE, 1920 (emend)
Family: THECODONTOSAURIDAE Lydekker, 1890
Thecodontosaurus sp
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ENGLAND
SOMERSET COUNTY
VALLIS VALE
WESTBURY FORMATION
RHAETIAN STAGE
UPPERMOST LATE TRIASSIC EPOCH
LATE TRIASSIC
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: CHINQUODONTOIDEA Huene, 1936
Family: DROMATHERIIDAE Gill, 1872
Tricuspes tuebingensis
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