Where: Niobrara County, Wyoming (43.2° N, 104.5° W: paleocoordinates 49.6° N, 79.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by AMNH, J. B. Hatcher in 1892; reposited in the AMNH, UNSM

Collection methods: quarrying, mechanical

Primary reference: C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180016: authorized by Paul Barrett, entered by Terri Cleary on 06.07.2016

Creative Commons license: CC BY (attribution)