Niobrara county, Lance Formation (1892 AMNH expedition) (Cretaceous of the United States)

Where: Niobrara County County, Wyoming (42.8° N, 104.4° W: paleocoordinates 49.2° N, 79.4° W)

• coordinate based on political unit

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

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by AMNH in 1892; reposited in the AMNH

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 118466: authorized by Roger Benson, entered by Roger Benson on 14.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Chamopsiidae
"Chamops denticulatus" = Leptochamops denticulatus, Chamops segnis
"Chamops denticulatus" = Leptochamops denticulatus Gilmore 1928 squamates
AMNH 112, 113 (partial dentaries)
Chamops segnis Marsh 1892 squamates
AMNH 111, 988 (maxilla, dentary)