east of Wallace (PROXY) (Cretaceous of the United States)

Also known as Dolichorhynchops osborni type locality

Where: Logan County County, Kansas (38.9° N, 101.6° W: paleocoordinates 42.4° N, 68.1° W)

• coordinate based on nearby landmark

When: Smoky Hill Chalk Member (Niobrara Formation), Santonian (86.3 - 83.6 Ma)

• Hesperornis Zone of the Smoky Hill Chalk Member, Niobrara Formation (early Campanian), Logan County, Kansas by C. Sternberg (Carpenter, 1996).

• bed-level stratigraphic resolution

Environment/lithology: marine; chalk

Size class: macrofossils

Collected by George Stenberg in 1900

Collection methods: quarrying, surface (in situ)

• KUVP collection

Primary reference: K. Carpenter. 1996. A review of short-necked plesiosaurs of the Western Interior, North America. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 201(2):259-287 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117851: authorized by Roger Benson, entered by Roger Benson on 27.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Plesiosauria - Polycotylidae
Dolichorhynchops osborni n. gen. n. sp.
Dolichorhynchops osborni n. gen. n. sp. Williston 1902 plesiosaur
KUVP 1300 (holotype skeleton with skull)