OKLAHOMA
COTTON COUNTY
NEAR DEEP RED RUN
NOCONA FORMATION (FORMERLY LOWER TO LOWER UPPER ADMIRAL FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON LOWER B
UPPER WOLFCAMPANIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
ORDER: ANTHRACOSAURIA WATSON, 1917
SUBORDER: ANTHRACOSAURIA SAVE-SODERBRGH, 1934
Family: CRICOTIDAE Cope, 1884
*Archeria crassidiscus
= Cricotus crassidiscus
= Archeria crassidisca
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