= Crocodylus ellotti COPE, 1875 non LEIDY, 1870

Locality: San Juan, New Mexico.

Horizon: Bridger Beds.

Biostratigraphy:

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

Material:

USNM 2594, USNM 2595 Cranial bones, teeth, etc.

= Alligator chamensis COPE, 1874
Etymology:
= Crocodilus chamensis (COPE, 1874) COPE, 1875

Holotype: USNM 2344

Locality: New Mexico.

Horizon: Wasatch beds.

Biostratigraphy:

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

Material: Premaxillary fragment and the roots of 1 large tooth and smaller adjoining teeth.

= Diplocynodus sphenops COPE, 1875
Etymology:
= Orthosaurus sphenops (COPE 1875)
= Crocodilus sphenops (COPE, 1875)

Holotype: USNM 1107

Locality: New Mexico.

Horizon: Wasatach Formation.

Biostratigraphy:

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

Material: Parts of frontal, parietal, articular, angular and surangular, cervical, lumbar, sacral and caudal centra.

Referred material:

Paratype: USNM 5364: Skull and lower jaw fragments, vertebrae, part of a humerus and isolated scutes.

= Crocodilus wheelerii COPE, 1875
Etymology:

Holotype: USNM 2593

Locality: Gallinas Creek, New Mexico.

Horizon: Wasatach Formation.

Biostratigraphy:

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

Material: Portions of parietal, frontal, nasal, premaxillary, quadrate, angular, surangular, and fragment of mandible.