Holotype:

Locality: Wade Gaudy Ranch, West Central Alabama.

Horizon: Bluffport Marl Member, Middle member of the Demopolis Formation.

Biostratigraphy: Lower Mosasaurus Acme-zone.

Age: Lower Navesinkian age, Uppermost Campanian-Lowermost Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material: Fragmentary skull and fragmentary skeleton.