Species: craigi ROMER, 1936
Etymology:

Syntypes: FMNH UR 336, MCZ 1201

Locality: Texas.

Horizon: Lower Archer City Formation (formerly Moran Formation, Lower Wichita Group), middle Bowie Group.

Biostratigraphy: Land-vertebrate faunachron middle A.

Age: Uppermost Pennsylvanian Subperiod, Late Carboniferous Peirod or Lower Wolfcampanian stage, Lower Rotilegendes Epoch, lowermost Permian.

Material:

Referred material:

 

Locality: Terrapin School, Archer County, Texas.

Horizon: Lower Archer City Formation (formerly Moran Formation, Lower Wichita Group), middle Bowie Group.

Biostratigraphy: Land-vertebrate faunachron middle A.

Age: Lower Wolfcampanian stage, Lower Rotilegendes Epoch, Early Permian.

Material:

MCZ 1378: Fragmentary skull, jaws and a few postcranial fragments.

MCZ 1781: Humerus.

 

Locality: Padgett, Young County, Texas.

Horizon: Lower Archer City Formation (formerly Moran Formation, Lower Wichita Group), middle Bowie Group.

Biostratigraphy: Land-vertebrate faunachron middle A.

Age: Lower Wolfcampanian stage, Lower Rotilegendes Epoch, Early Permian.

Material:

MCZ 1235: Fragmentary remains of skull, jaw and a few postcranial fragments.

MCZ 1782: A number of fragments.

 

Locality: Head of Cottonwood Creek, Archer County, Texas.

Horizon: Lower Archer City Formation (formerly Moran Formation, Lower Wichita Group), middle Bowie Group.

Biostratigraphy: Land-vertebrate faunachron middle A.

Age: Lower Wolfcampanian stage, Lower Rotilegendes Epoch, Early Permian.

Material:

MCZ 1453: Fragmentary material.

 

Locality: 2 1/2 miles east of Antelope, Jack County, Texas.

Horizon: Pueblo Formation.

Biostratigraphy:

Age: Early Permian.

Material:

MCZ 1770: Fragmentary skeleton of a juvenile.

MCZ 1769: A few remains.

 

 

SCHOCH & MILNER, 2014

Locality: Antelope, Jack County, Texas.

Horizon: Lower Archer City Formation (formerly Moran Formation, Lower Wichita Group), middle Bowie Group.

Biostratigraphy: Land-vertebrate faunachron middle A.

Age: Lower Wolfcampanian stage, Lower Rotilegendes Epoch, Early Permian.

Material:

USNM 22309: Mandible and braincase.