Genus: Diplotomodon LEIDY, 1868 (nomen dubium)
Etymology: Greek, diplo- “double”, Greek, tomo, “cut”, and Greek, odon, “tooth”, Double cutting tooth.
= Tomodon LEIDY, 1865 non DUMERIL & BIBRON, 1853 (Tomodonno species name given, Squamata, Colubridae)
Etymology: Greek, tomo, “cut”, and Greek, odon, “tooth.”

Species: horrificus (LEIDY, 1865) LEIDY, 1868 (nomen dubium)
Etymology: Latin, horrificus, "awful, horrible, dreadful."
= Tomodon horrificus LEIDY, 1865 (nomen dubium)

Holotype: ANSP 9680

Locality: Mullica Hill, Gloucester County, New Jersey.

Horizon: Either from Navesink, Monmouth Group or Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Tooth.