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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