Species: olseni MOOK, 1924
Etymology:
= Pristichampsus olseni (MOOK, 1924)

Holotype: AMNH 5178

Locality: North Fork of 10 mile Creek, Bighorn Basin, Wyoming.

Horizon: Wasatch Beds.

Biostratigraphy:

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

Material: Skull.

_____________________________________________________________________________________