ENGLAND
GLOUCESTERSHIRE COUNTY
TYTHERINGTON QUARRY
FISSURE FILL
CARNIAN/NORIAN STAGE
UPPER LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SPHENODONTIFORMES Hay, 1930
ORDER: SPHENODONTIA WILLISTON, 1925
Incertae sedis
Gen. sp indet.
Family: BRACHYRHINODONTIDAE Huene, 1948
Clevosaurus sp
Family: SPHENODONTIDAE Cope, 1869
*Diphydontosaurus avonis
Planocephalosaurus sp
LEGION: ARCHOSAUROMORPHA HUENE, 1946
Tooth Morphotype 2
Tooth Morphotype 3
Tooth Morphotype 4
Tooth Morphotype 5
Tooth Morphotype 6
Tooth Morphotype 7
Tooth Morphotype 8
Tooth Morphotype 9
Tooth Morphotype 10
Tooth Morphotype 11
Tooth Morphotype 12
Tooth Morphotype 13
Tooth Morphotype 14
Tooth Morphotype 15
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
ORDER: INCERTAE SEDIS
SUBORDER: SPHENOSUCHIA BONAPARTE, 1971
Family: SALTOPOSUCHIDAE Crush, 1984
Saltoposuchus sp
= Terrestrisuchus spSUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
Incertae sedis
Gen. sp indet.
COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
ORDER: PROSAUROPODA HUENE, 1920 (emend)
Family: THECODONTOSAURIDAE Lydekker, 1890
Thecodontosaurus antiquus
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AVON AND GLOUCESTERSHIRE COUNTIES
AUST AND GARDEN CLIFFS
HAMPSTEAD FARM QUARRY
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
SUPERCOHORT CHORISTODERA NOVA
ORDER: CHORISTODERA COPE, 1876
Family: PACHYSTROPHEIDAE Kuhn, 1961
Pachystropheus rhaeticus
= Rysosteus oweni