COLOARDO
SAN MIGUEL COUNTY
SANGRE DE CRISTO FORMATION
PROBABLY MISSOURIAN
LOWER STEPHANIAN
UPPER SILESIAN STAGE
KASIMOVIAN EPOCH?
LATE PENNSYLVANIAN
(LATE CARBONIFEROUS)
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
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