6 mi S of Sheridan (Cretaceous of the United States)

Where: Sheridan County, Kansas (39.4° N, 100.5° W: paleocoordinates 37.2° N, 58.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cretaceous (145.0 - 66.0 Ma)

Environment/lithology: marine; yellow chalk

Size class: macrofossils

Primary reference: E. D. Cope. 1869. On Some Species of Pythonomorpha from the Cretaceous Beds of Kansas and New Mexico. Proceedings of the American Philosophical Society 11(81):574-584 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 199541: authorized by Alex Dunhill, entered by Bethany Allen on 29.01.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Mosasauridae
Clidastes cineriarum n. sp., "Liodon mudgei n. sp." = Platecarpus tympaniticus
Clidastes cineriarum n. sp. Cope 1870 mosasaur
"Liodon mudgei n. sp." = Platecarpus tympaniticus Cope 1869 mosasaur