Polecat Bench: Lance (Cretaceous of the United States)

Where: Park County County, Wyoming (44.4° N, 107.6° W: paleocoordinates 51.4° N, 82.2° W)

• coordinate estimated from map

When: Lance Formation, Lancian (70.6 - 66.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the YPM

Primary reference: N. R. Longrich, B.-A. S. Bhullar, and J. A. Gauthier. 2012. Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary. Proceedings of the National Academy of Sciences 109(52):21396-21401 [R. Benson/R. Benson/T. Liebrecht]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 137531: authorized by Roger Benson, entered by Roger Benson on 17.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Chamopsiidae
Socognathus brachyodon n. sp. Longrich et al. 2012 lizard
YPM PU 16724 (holotype), YPM-PU 21375, both dentaries