Pitman Butte: Middle Campanian - Late/Upper Campanian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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Chondrichthyes
- Lamniformes
- Archaeolamnidae
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Plicatolamna arcuata
(Woodward 1894)
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synonym of Archaeolamna kopingensis | |||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Blaine |
Coordinates: | 48.1° North, 106.3° West (view map) | ||||
Paleocoordinates: | 54.4° North, 72.0° West | ||||
Basis of coordinate: | based on nearby landmark |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Middle Campanian - Late/Upper Campanian | ||
Age range of interval: | 83.50000 - 70.60000 m.y. ago |
Stratigraphy
Formation: | Judith River |
Lithology and environment
Primary lithology: | "siliciclastic" |
Environment: | deltaic indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 69178 | ||
Authorizer: | J. Kriwet | Enterer: | W. Glaeser |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2007-02-20 12:12:24 | Last modified: | 2022-03-31 04:57:37 |
Access level: | the public | Released: | 2007-02-20 12:12:24 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
19785. | G. R. Case. 1978. A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica Abteilung A 160(Lfg. 1-6):176-205 [J. Kriwet/W. Glaeser/M. Carrano] |