Hell Creek (Cretaceous of the United States)

Also known as Styxosaurus snowii type locality

Where: Logan County County, Kansas (38.8° N, 100.7° W: paleocoordinates 44.3° N, 70.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hesperornis other zone, Smoky Hill Chalk Member (Niobrara Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Judge E. P. West, University of Kansas in 1890

Collection methods: quarrying

Primary reference: S. W. Williston. 1890. A new plesiosaur from the Niobrara Cretaceous of Kansas. Transactions of the Kansas Academy of Science 12:174-178 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116624: authorized by Roger Benson, entered by Roger Benson on 10.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Elasmosauridae
"Cimoliasaurus snowii n. gen. n. sp." = Styxosaurus snowii
"Cimoliasaurus snowii n. gen. n. sp." = Styxosaurus snowii Williston 1890 elasmosaur
KUVP 1301 (holotype)