Oliver County (Cretaceous of the United States)

Where: Oliver County, North Dakota (47.1° N, 101.3° W: paleocoordinates 44.8° N, 56.2° W)

• coordinate estimated from map

When: Cannonball Member (Lance Formation), Cretaceous (145.0 - 66.0 Ma)

• Cannonball marine member

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: M. Leriche. 1942. Contribution a l'etude des faunes ichthyologiques marines des terrains tertiaires de la plaine cotiere Atlantique et du centre des Etats-Unis. Memoires de la Societe Geologique de France (Nouvelle Serie) 45:1-111 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 84018: authorized by Mark Uhen, entered by Mark Uhen on 15.09.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Myliobatidae
Myliobatis sp. Cuvier 1816 eagle ray
 Lamniformes - Lamnidae
Lamna mediavia Leriche 1942 mackerel shark
 Lamniformes - Odontaspididae
Odontaspis macrota Agassiz 1843 sand tiger shark