Genus: Delphodon SIMPSON, 1927
Etymology: Greek, delphys, "womb" (a common name used for mammals), and Greek, odon, "tooth."

Species: comptus (MARSH, 1889) SIMPSON, 1927
= Didelphodon comptus MARSH, 1889

Plesiotypes: USNM 2880, 2881

Locality: Wyoming.

Horizon: Laramie Formation.


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

Material: Right upper molar and exterior portion of right premolar.