Coleraine Formation (Cretaceous of the United States)
Where: Itasca County County, Minnesota (47.4° N, 93.1° W: paleocoordinates 44.3° N, 52.8° W)
• coordinate based on political unit
When: Coleraine Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)
Environment/lithology: marine; lithified sandstone
• SLOAN (1964): "The Coleraine Formation in the Mesabi District (BERQUIST 1944) comprises iron-ore conglomerate, shale, and sandstone that form a thin irregular mantle over an uneven surface on the
•underlying Precambrian bedrock."
Size class: mesofossils
Primary reference: G. R. Case. 2001. A new selachian fauna from the Coleraine Formation (Upper Cretaceous/Cenomanian) of Minnesota . Palaeontographica Abteilung A 261(Lfg. 4-6):103-112 [J. Kriwet/W. Glaeser/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 61819: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 03.07.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Chondrichthyes | |
"Carcharias amonensis" = Haimirichia amonensis
"Carcharias amonensis" = Haimirichia amonensis Cappetta and Case 1975 mackerel shark | |
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark | |
"Cenocarcharias tenuiplicatus" = Eostriatolamia tenuiplicatus
"Cenocarcharias tenuiplicatus" = Eostriatolamia tenuiplicatus Cappetta and Case 1975 sand tiger shark | |
|
Squalicorax baharijensis Stromer 1927 crow shark | |
|
Protolamna gigantea n. sp. mackerel shark
Cretodus sp. Sokolov 1965 mackerel shark
Cretodus semiplicatus Agassiz 1843 mackerel shark | |
|
Onchopristis dunklei McNulty and Slaughter 1962 ray | |
"Hybodus rajkovichi n. sp." = Meristodonoides rajkovichi
"Hybodus rajkovichi n. sp." = Meristodonoides rajkovichi Case 2001 elasmobranch | |
|
Ischyodus sp. Egerton 1843 plownose chimaera | |