IOWA

NEAR DELTA

UPPER ST. LOUIS FORMATION

EARLY CARBIONFEROUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LABYRINTHODONTIA OWEN, 1860

Incertae sedis

Family: COLOSTEIDAE Cope, 1875

Genus nova

NEOTETRAPODA

SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934

ORDER: ANTHRACOSAURIA WATSON, 1917

Incertae sedis

Proto-anthracosauria nova

_____________________________________________________________________________________