Species: acutidens GIBBES, 1851(nomen nudum)
Etymology:
= Holcodus columbiensis GIBBES, 1850 (nomen nudum)
= Holcodus acutidens GIBBES, 1851
= Mosasaurus acutidens (GIBBES, 1851) MARSH, 1872

Lectotype: ANSP 8594

Locality: Alabama.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Tooth.