Where: Logan County County, Kansas (39.0° N, 101.2° W: paleocoordinates 44.1° N, 68.9° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the MCZ

Collection methods: quarrying

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 117856: authorized by Roger Benson, entered by Roger Benson on 28.09.2011

Creative Commons license: CC BY (attribution)