ILLINOIS
VERMILION COUNTY
LATE PENNSYLVANIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
Clepsydrops collettii
= *Clepsydrops pedunculatus
= *Archaeobelus vellicatus
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ILLINOIS
VERMILION COUNTY
BONE POCKET AT DANVILLE
LATE PENNSYLVANIAN (LATE CARBONIFEROUS)
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
Clepsydrops vinslovii
= ?*Captorhinus illinoisensis
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ILLINOIS
VERMILION COUNTY
DANVILLE
LATE PENNSYLVANIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
Clepsydrops sp
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ILLINOIS
VERMILION COUNTY
DANVILLE BONE BED
LOWER CONEMAUGH
LATE PENNSYLVANIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
Family: Incertae sedis
Non *Cricotus heteroclitus
= *Cricotus gibsoni
= *Cricotus discophorus
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ILLINOIS
VERMILLION COUNTY
DANVILLE
HORSESHOE BEND OF VERMILLION RIVER
"CLEPSYDROPS SHALES"
MIDDLE MCLEANSBORO FORMATION
CONEMAOUGH GROUP
LATE PENNSYLVANIAN (LATE CARBONIFEROUS)
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: NECTRIDEA MIALL, 1875
Family: DIPLOCAULIDAE Cope, 1881
*Diplocaulus salamandroides
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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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ILLINOIS
VERMILION COUNTY
VERMILLION RIVER
MCLEANSBORO FORMATION
LATE PENNSYLVANIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
*Clepsydrops collettii
*Clepsydrops vinslovii
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