Coleraine Formation: Late/Upper Cenomanian, Minnesota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus rajkovichi n. sp.
Case 2001
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| recombined as Meristodonoides rajkovichi | |||||||
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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Onchopristis dunklei
McNulty and Slaughter 1962
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Chondrichthyes
- Lamniformes
- Haimirichiidae
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Carcharias amonensis
(Cappetta and Case 1975)
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| recombined as Haimirichia amonensis | |||||||
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Chondrichthyes
- Lamniformes
- Otodontidae
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Cretolamna appendiculata
(Agassiz 1835)
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| recombined as Cretalamna appendiculata | |||||||
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Chondrichthyes
- Lamniformes
- Pseudoscapanorhynchidae
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Protolamna gigantea n. sp.
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Cretodus sp.
Sokolov 1965
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Cretodus semiplicatus
(Agassiz 1843)
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Chondrichthyes
- Lamniformes
- Odontaspididae
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Cenocarcharias tenuiplicatus
(Cappetta and Case 1975)
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| recombined as Eostriatolamia tenuiplicatus | |||||||
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Chondrichthyes
- Lamniformes
- Anacoracidae
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Squalicorax baharijensis
(Stromer 1927)
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Chondrichthyes
- Chimaeriformes
- Callorhynchidae
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Ischyodus sp.
Egerton 1843
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Minnesota | County: | Itasca County |
| Coordinates: | 47.4° North, 93.1° West (view map) | ||||
| Paleocoordinates: | 44.3° North, 52.8° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Late/Upper Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Formation: | Coleraine |
Lithology and environment
| Primary lithology: | lithified sandstone |
| Lithology description: 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." | |
| Environment: | marine indet. |
Taphonomy
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 61819 | ||
| Authorizer: | J. Kriwet | Enterer: | W. Glaeser |
| Modifier: | W. Glaeser | Research group: | vertebrate |
| Created: | 2006-07-03 06:53:05 | Last modified: | 2007-08-20 11:11:21 |
| Access level: | the public | Released: | 2006-07-03 06:53:05 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17827. | 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] |
Secondary references:
| 25110 | G. R. Case. 1965. An Occurrence of the Sawfish, Onchopristis dunklei in the Upper Cretaceous of Minnesota. Journal of the Minnesota Academy of Science 32(3):183 [J. Kriwet/W. Glaeser] |