Where: Niobrara County, Wyoming (43.3° N, 104.6° W: paleocoordinates 49.7° N, 79.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Collection methods: surface (float), mechanical, sieve,

Primary reference: R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187 [J. Alroy/M. Sommers/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 57163: authorized by Matthew Carrano, entered by Kaitlin Maguire on 07.12.2005

Creative Commons license: CC BY (attribution)