Genus: Brevidorsum CARROLL, 1964

Species: profundum CARROLL, 1964

Holotype: MCZ 3250

Locality: North of the west fork of the Trinity River, Texan Emigration and Land Co., Section 1834, Archer County, Texas.

Horizon: Markley-Archer City Formation boundary, Bowie Group (old near Pueblo-Moran boundary , Wichita group).


Age: Uper Pennsylvanian Subperiod, Late Carboniferous Period or Early Permian.

Material: Partial skull and postcranial material including fragments of both scapulae and cleithra, portions of both humeri, left femur, left tibia and fibula, 1 or more vertebrae attached ribs.