WEST VIRGINA
JACKSON COUNTY
5 M SW OF COTTAGEVILE
DUNKARD FORMATION
LATE PENNSYLVANIAN
STEM: TETRAPODA GOODRICH, 1930
Incertae sedis
*Limnosceloides dunkardensis
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WEST VIRGINIA
JACKSON COUNTY
PORTLAND
DUNKARD FORMATION
PERMO-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: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon sp
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