ammonites
Premolar Site (Cretaceous of the United States)

Also known as UCMP V-5625

Where: Niobrara County, Wyoming (43.2° N, 104.5° W: paleocoordinates 49.7° N, 79.3° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Lance Formation, Lancian (70.6 - 65.5 Ma)

Environment/lithology: terrestrial

Size class: mesofossils

Reposited in the UCMP

Primary reference: W. A. Clemens. 1964. Fossil mammals of the type Lance Formation, Wyoming. Part I. Introduction and Marsupialia. University of California Publications in Geological Sciences 48:1-105 [J. Alroy/J. Alroy/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14609: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matt Carrano

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)