Hadrosaur site, UCMP V-5916 (Cretaceous of the United States)

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

• "a cross-stratified sandstone"

Size class: macrofossils

Collected in 1959; reposited in the UCMP

Collection methods: surface (float),

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 57170: authorized by Matthew Carrano, entered by Kaitlin Maguire on 07.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Hadrosauridae
"cf. Anatosaurus sp." = Edmontosaurus
"cf. Anatosaurus sp." = Edmontosaurus Lambe 1917 hadrosaurine