ENGLAND
SOMERSET COUNTY
EMBOROUGH QUARRY
FISSURE FILL
KEUPER FORMATION?
CARNIAN/NORIAN
LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
ORDER: PROCOLOPHONOMORPHA ROMER, 1964
SUBORDER: PROCOLPHOMORPHA SEELEY, 1888
Family: PROCOLOPHONIDAE, Seeley, 1888
Incertae sedis
*Tricispisaurus thomasi
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
DIVISION: LEPIDOSAUROMORPHA BENTON, 1983
Incertae sedis
Family: KUEHNEOSAURIDAE Robinson, 1962
*Kuehneosaurus latus
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SPHENODONTIFORMES Hay, 1930
ORDER: SPHENODONTIA WILLISTON, 1925
Family: SPHENODONTIDAE Cope, 1869
Planocephalosaurus sp
LEGION: ARCHOSAUROMORPHA HUENE, 1946
ORDER: TRILOPHOSAURIA ROMER, 1956
Family: VARIODENTIDAE Tatarinov, 1964
*Variodens inopinatus
Family: TRILOPHOSAURIDAE Gregory, 1945
*Tricuspisaurus thomasi
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