ILLLINOIS
VERMILION COUNTY
OAKWOOD
ASSELIAN STAGE
ROTLIEGENDES EPOCH
EARLY EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
Family: Incertae sedis
Non Cricotus heteroclitus
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: NECTRIDEA MIALL, 1875
Family: DIPLOCAULIDAE Cope, 1881
Diplocaulus salamandroides
ORDER: LYSOROPHIA WILLISTON, 1908
Family: COCYTINIDAE Cope, 1875
Incertae sedis
Lysorophus cf. tricarinatus
CLASS: REPTILIA LAURENTI, 1768
Incertae sedis
Gen. sp indet.
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