Species: mantiensis GILMORE, 1942 (nomen dubium)
Etymology:

Holotype: USNM 16952

Locality: "Lizard Locality," South Dragon, Manti National Forest, Emery County, Utah.

Horizon: North Horn Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: A maxilla, 7 vertebral centra, proximal portion of a coracoid, shaft of a femur, and numerous dermal scutes and spines.