Species: ferox MARSH, 1871 (nomen dubium)
Etymology:
= Goniopholis ferox (MARSH, 1871) (nomen dubium)

Holotype: AMNH 2198

Locality: Birmingham, Burlington County, New Jersey.

Horizon: Middle marl bed of the Greensands, Hornerstown Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: 2 teeth.
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Species: vebbianus COPE, 1872 (nomen dubium)
Etymology:
= Goniopholis vebbianus (COPE, 1872) (nomen dubium)
= Hyposaurus vebbi COPE, 1872 (sic)
= Diplosaurus vebbi (COPE, 1872) MARSH, 1877

Holotype: Number not given.

Locality: Brookville, Saline County, Kansas.

Horizon: Benton Formation, Kiowa shale.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Late Cretaceous.

Material: Anterior cervical vertebra.