TEXAS
YOUNG COUNTY
PADGETT
LOWER ARCHER CITY FORMATION (FORMERLY MORAN FORMATION, LOWER WICHITA GROUP)
MIDDLE BOWIE GROUP
LAND-VERTEBRATE FAUNACHRON MIDDLE A
LOWER WOLFCAMPANIAN STAGE
LOWER ROTILEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
ORDER: RHACHITOMI COPE, 1882
PARVORDER: EDOPIFORMES
SUBORDER: EDOPSOIDEA ROMER, 1947
Superfamily: EDOPOIDEA Romer, 1945 (sensu Romer, 1966)
Family: EDOPIDAE Romer, 1945
Edops craigi
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TEXAS
YOUNG COUNTY
1 M NW OF PADGETT
LOWER ARCHER CITY FORMATION (FORMERLY MORAN FORMATION, LOWER WICHITA GROUP)
MIDDLE BOWIE GROUP
LAND-VERTEBRATE FAUNACHRON MIDDLE A
LOWER WOLFCAMPANIAN STAGE
LOWER ROTILEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)
Family: DISSOROPHIDAE Boulenger, 1902
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 milleri
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