Species: kansensis (MOODIE, 1911) MOODIE, 1916
Etymology:
= Erpetosaurus kansensis MOODIE 1911
= Erpetosuchus kansensis MOODIE 1911
Holotype: USNM 6699
Locality: Baldwin Coal, Washington County, Arkansas.
Horizon: Woolsey Member, Bloyd Formation.
Biostratigraphy:
Age: Morrow Series, Early Pennsylvanian.
Material: Fragmentary skull and lower jaw.
Referred material:
USNM 6680: A left jaw ramus and another skull specimen.
USNM unregistered: Left suspensorial region in dorsal view in continuity with holotype, with part natural moulds of both jaw rami.