ammonites
banner
Gateway to the Paleobiology Database
Near Connant Creek, Rattlesnake Hills (Plesiopleurodon type locality) (Cretaceous of the United States)

Also known as Near Connanp Creek (mispelling by Carpenter 1996)

Where: Natrona County County, Wyoming (43.0° N, 108.0° W: paleocoordinates 43.4° N, 68.5° W)

• coordinate based on unpublished field data

When: Belle Fourche Member ('Hailey Shales' Formation), Early/Lower Cenomanian (99.7 - 94.3 Ma)

• Carpenter states Belle Fourch Shales, but Carnegie Museum collections data says Hailey Shales Formation

Environment/lithology: marine; concretionary, black lithology not reported

Size class: macrofossils

Reposited in the CM

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 117845: authorized by Roger Benson, entered by Roger Benson on 27.09.2011

Creative Commons license: CC BY (attribution)