PENNSYLVANIA
DUNKARD
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: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops sp
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