Species: vorax HOTTON III, 1959
Etymology:
Holotype: KUVP 9822
Locality: NW 1/4, SE 1/4, Sec. 36, T9S, R6E, Kitten Creek, just east of Keats, approximately 100 feet north of old US Highway 24, Riley County, Kansas.
Horizon: Speiser Shale Formation, Council Grove Group.
Biostratigraphy:
Age: Early Permian.
Material: Skull, mandible, vertebrae, limb elements, pectoral and pelvic girdles.
Referred material:
KUVP 18352: Disarticulated specimen in situ, including skull roof, occiput, partial parsphenoid, vertebra and scales.
KUVP 28352, 28354, 28365, 55514, 71209, USNM 22528: Fragmentary skulls.
ENGLEHORN, SMALL & HUTTENLOCKER, 2008
Locality: Eskridge, Kansas.
KUVP 49532, 49533, 49534, 49535, 49536, 50151, 50152, 50153, 50154, 55511, 55512, 55513, 71210, 80079: Fragmentary skulls.
BENNET 1984, SCHULZE & FOREMAN 1981
Locality: SE 1/4, Sec. 36, T13S, R11E, approximately 1/5 miles northwest of Eskridge on State Highway 99, roadcut on north side, Wabaunsee County, Kansas.
Horizon: Speiser Shale Formation, Council Grove Group.
Biostratigraphy:
Age: Early Permian.
Material:
KUVP 49532: Skull and interclavicle.
KUVP 49533, 49534, 49535, 49536, 50151, 50152, 50153, 50154, 55511, 55512, 55513, 71210, 80079: Fragmentary skulls.
CHOLDIRON 1978Locality: Farm of Raymond Schurle in SE 1/4, NW 1/4, Sec. 36, T9S, R6E, Riley County, Kansas.
Horizon: Speiser Shale.
Biostratigraphy:
Age: Early Permian.
Material:
KU 28352: Fragmentary skull and fragmentary skeleton.
FOREMAN & MARTIN 1988
Locality: Bushong locality, a roadcut along US-56, NE sec. 15, T16S, R10E, Lyon County, Kansas.
Biostratigraphy:
Age: Early Permian.
Material:
HUTTENLOCKER, PARDO & SMALL, 2005
Locality: Raney Farm Locality, near Humboldt, Richardson County, Nebraska.
Horizon: Eskridge Formation, Council Grove Group.
Biostratigraphy:
Age: Earliest Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.
Material:
DMNH 50163: Occiput with associated axial and appendicular manterial.
USNM 32133, 32140: Partial postcranial skeletons.
ENGLEHORN, SMALL & HUTTENLOCKER, 2008
DMNH 50163, USNM 32133, 32140: Fragmentary skulls.
Locality: Mayer Farm Locality, near Humboldt, Richardson County, Nebraska.
Horizon: Eskridge Formation, Council Grove Group.
Biostratigraphy:
Age: Earliest Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.
Material:
DMNH 41099: Juvenile postcranial skeleton.
DMNH 44396: Skull, mandibles and postcrania.