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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 44.6° N, 71.5° W)

• coordinate based on nearby landmark

When: Hesperornis other zone, Smoky Hill Chalk Member (Niobrara Formation), Early/Lower Campanian (84.9 - 70.6 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)