TEXAS
YOUNG COUNTY
2 1/2 MILES NORTH AND 1/2 MILE EAST OF GRAHAM
THIRFTY FORMATION
CISCO GROUP
LATE PENNSYLVANIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
ORDER: ANTHRACOSAURIA WATSON, 1917
SUBORDER: ANTHRACOSAURIA SAVE-SODERBRGH, 1934
Family: EOGYRINIDAE Watson, 1926
*Neopteroplax relictus
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