Species: tuberosa (COPE, 1872) WEILAND, 1900
Etymology:
= ?Holcodus acutidens LEIDY, 1865 (referred material)
= Protostega tuberosa COPE, 1872

Holotype: ANSP 8461

Locality: Columbus, Lowndes County, Mississippi.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Humerus.
Note: It was believed to be part of the mosasaur Holcodus actuidens.