Willow Creek (CM): Middle Campanian - Late/Upper Campanian, Montana
collected by J. B. Hatcher 1903

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906
1 individual
CM 9401
    = ? Tyrannosaurus sp. Osborn 1905
Urban and Lamanna 2006
Reptilia
Deinosuchus hatcheri n. gen., n. sp. Holland 1909
Urban and Lamanna 2006 1 individual
CM 963
see common names

Geography
Country:United States State/province:Montana County:Fergus
Coordinates: 47.4° North, 109.7° West (view map)
Paleocoordinates:54.5° North, 76.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
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:83.60000 - 72.10000 m.y. ago
Stratigraphy
Geological group:Montana Formation:Judith River
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Associated major elements:some
Disassociated major elements:some
Fragmentation:occasional
Collection methods and comments
Collection methods:mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:CM
Collectors:J. B. Hatcher Collection dates:1903
Metadata
Database number:69624
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:G. Varnham Research group:vertebrate
Created:2007-02-28 12:20:13 Last modified:2022-02-02 04:03:32
Access level:the public Released:2007-02-28 12:20:13
Creative Commons license:CC BY
Reference information

Primary reference:

46207. J. S. McIntosh. 1981. Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of the Carnegie Museum of Natural History. Bulletin of Carnegie Museum of Natural History 18:1-67 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

23361ETE M. A. Urban and M. C. Lamanna. 2006. Evidence of a giant tyrannosaurid (Dinosauria: Theropoda) from the Upper Cretaceous (?Campanian) of Montana. Annals of Carnegie Museum 75(4):231-235 [M. Carrano/M. Carrano]