Species: affinis MARSH, 1871
Etymology:

Holotype: YPM 1345

Locality: Grizzly Buttes, near Fort Bridger, probably in Sec. 28, T 14N, R 115W, Bridger Basin, Uinta County, Wyoming.

Horizon: Bridger Formation.

Biostratigraphy:

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

Material: Skull, lower jaw

Referred material:

BUFFRENIL & BUFFETAUT, 1981

Locality: Henry's Fork Hill, Uinta County, Wyoming.

Horizon: Horizon C4, Bridger beds.

Biostratigraphy:

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

Material:

YPM 511: Posterior half of a skull.

 

MOOK

Locality: Henry's Fork Hill, Uinta County, Wyoming.

Horizon: Horizon C4, Bridger beds.

Biostratigraphy:

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

Material:

AMNH 6177, 6176, 1719: Skulls.

 

ZONNEVELD, GUNNELL & BARTELS, 2000

Locality: Little Muddy I (BB114), Green River Basin, Wyoming.

Horizon: Wasatach Formation, Wasatchian.

Biostratigraphy:

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

Material:

Unnumbered: Teeth, osteoderms and postcrania.

 

Locality: Little Muddy II (BB110), Green River Basin, Wyoming.

Horizon: Wasatach Formation, Wasatchian.

Biostratigraphy:

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

Material:

Unnumbered: Teeth, osteoderms and postcrania.

 

Locality: Little Muddy VI (BB012, 036, 069, 070, 074, 076, 077), Green River Basin, Wyoming.

Horizon: Green River Formation.

Biostratigraphy:

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

Material:

Unnumbered: Teeth, osteoderms and postcrania.

 

Unnumbered.

Locality: Little Muddy VII (BB035, 037, 044), Green River Basin, Wyoming.

Horizon: Bridger Formation.

Biostratigraphy:

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

Material:

Unnumbered: Teeth, osteoderms and postcrania.

 

= Crocodilus liodon MARSH, 1871
Etymology:

Holotype: YPM 1350

Locality: Grizzly Buttes, near Fort Bridger, probably in Sec. 28, T 14N, R 115W, Bridger Basin, Uinta County, Wyoming.

Horizon: Bridger Formation.

Biostratigraphy:

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

Material: Imperfect skeleton.

Referred material:

COPE, 1875

Locality: New Mexico.

Horizon: Wasatch beds.

Biostratigraphy:

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

Material:

Number: Not given: Skull fragments and vertebrae.

 

= Crocodilus brevicollis MARSH, 1871 (nomen dubium)
Etymology:

Holotype: YPM 1349

Locality: Grizzly Buttes, near Fort Bridger, probably in Sec. 28, T 14N, R 115W, Bridger Basin, Uinta County, Wyoming.

Horizon: Bridger Formation.

Biostratigraphy:

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

Material: 6 presacral vertebrae.

 

= Crocodilus grinnelli MARSH, 1871
Etymology:

Holotype: YPM 1344

Locality: Marsh's Fork, Bridger Basin, Wyoming.

Horizon:

Biostratigraphy:

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

Material: Incomplete skeleton.

 

= Crocodilus grinnelli herpichanus TROXELL, 1925
Etymology:

Holotype: YPM 300

Locality: Bridger Basin, Wyoming.

Horizon:

Biostratigraphy:

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

Material: Dorsal vertebrae, pelvis, right humerus, ulna, radius, metacarpals, left femur, left tibia, left fibula, and metatarsals.

_____________________________________________________________________________________

Species: acer COPE, 1882
Etymology:

Holotype: American Museum Cope Collections NO. 1240

Locality: Utah.

Horizon: Manti Beds.

Biostratigraphy:

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

Material: Skull.