Pitman Butte: Middle Campanian - Late/Upper Campanian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Chondrichthyes - Lamniformes - Archaeolamnidae
Plicatolamna arcuata (Woodward 1894)
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]