MONROE COUNTY
CLARK HILL
EARLY PERMIAN NINEVEH LIMESTONE
NINEVEH LIMESTONE
GREENE FORMATION
DUNKARD GROUP
WOLFCAMPANIAN STAGE
UPPER LOWER TO LOWER MIDDLE ROTLIEGENDES EPOCH
EARLY PERMIAN
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: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
*Ctenospondylus ninevehensis
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OHIO
MONROE COUNTY
SALEM TOWNSHIP
CLARK HILL
EIGHT FEET BELOW NINEVEH COAL HORIZON
GREENE FORMATION
DUNKARD GROUP
WOLFCAMPANIAN STAGE
UPPER LOWER TO LOWER MIDDLE ROTLIEGENDES EPOCH
EARLY PERMIAN
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
*Ambedus pusillus
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OHIO
MONROE COUNTY
LOCALITY 6
WASHINGTON FORMATION
DUNKARD GROUP
WOLFCAMPANIAN STAGE
UPPER LOWER TO LOWER MIDDLE ROTLIEGENDES EPOCH
EARLY PERMIAN
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
*Baldwinonus? dunkardensis
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