Where: Oliver County, North Dakota (47.1° N, 101.3° W: paleocoordinates 52.8° N, 74.2° W)
• coordinate estimated from map
When: Cannonball Member (Lance Formation), Late/Upper Maastrichtian (70.6 - 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 | |
Myliobatis sp. Cuvier 1816 eagle ray | |
Odontaspis macrota Agassiz 1838 sand tiger shark | |
Lamna mediavia Leriche 1942 mackerel shark |