Genus: Listrognathosuchus BROCHU, 1997
Etymology: Greek, listron, “smoothing tool or spade,” Greek, gnathos, “jaw” and Greek, suchos, “Crocodile”: Spaded jawed crocodile.

Species: multidentatus (MOOK, 1930) BROCHU, 1997
Etymology: Latin, multi, "many" and Latin, dentatus, "toothed."
= Leidyosuchus multidentatus MOOK, 1930
= Diplocynodon multidentatus (MOOK, 1930)

Holotype: AMNH 5179

Locality: Torrejon Arroyo, New Mexico.

Horizon: Torrejon Beds.

Biostratigraphy:

Age: Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material: Lower jaws, 12 vertebrae, left ilium, left tibia, and several teeth.