Cheyenne River (AMNH) (Cretaceous of the United States)

Also known as Prodiplocynodon type site

Where: Niobrara County, Wyoming (44.8° N, 100.7° W: paleocoordinates 50.5° N, 74.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lance Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 1892; reposited in the AMNH

Collection methods: quarrying, mechanical,

• 1892 AMNH Expedition

Primary reference: C. C. Mook. 1941. A new crocodilian from the Lance Formation. American Museum Novitates 1128:1-5 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34494: authorized by Matthew Carrano, entered by Matthew Carrano on 03.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia -
Prodiplocynodon langi n. gen. n. sp.
Prodiplocynodon langi n. gen. n. sp. Mook 1941 crocodilian