Tatman Mountain (UM crocodilian) (Eocene of the United States)

Also known as Greybull River

Where: Park County, Wyoming (44.3° N, 108.6° W: paleocoordinates 49.1° N, 91.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• "Lower Beds of the Wasatch Eocene"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• none given

Size class: macrofossils

Collected in 1924; reposited in the UMMP

Primary reference: E. C. Case. 1925. Note on a new species of the Eocene crocodilian Allognathosuchus, A. wartheni. Contributions from the Museum of Geology, University of Michigan 2(5):93-97 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 76067: authorized by John Alroy, entered by John Alroy on 10.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia - Alligatoridae
Allognathosuchus wartheni n. sp. Case 1925 crocodilian
University of Michigan Number 8923 - type (skull)