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.