USGS Mesozoic D1352, Middle Park: Late/Upper Campanian, Colorado
collected by G.R. Scott, W.A. Cobban 1957

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Nostoceratidae
Didymoceras draconis (Stephenson 1941)
Cephalopoda - Ammonitida - Baculitidae
Baculites cuneatus Cobban 1962
see common names

Geography
Country:United States State/province:Colorado County:Grand
Coordinates: 40.2° North, 106.4° West (view map)
Paleocoordinates:47.0° North, 76.0° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Late/Upper Campanian Ammonoid zone: Baculites cuneatus
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Formation:Pierre Shale
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:concretionary lithified siltstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:G.R. Scott, W.A. Cobban Collection dates:1957
Metadata
Database number:178536
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2016-05-06 23:52:49 Last modified:2016-05-06 23:52:49
Access level:the public Released:2016-05-06 23:52:49
Creative Commons license:CC BY
Reference information

Primary reference:
59075. W. J. Kennedy, W. A. Cobban, and G. R. Scott. 2000. Heteromorph ammonites from the Upper Campanian (Upper Cretaceous) Baculites cuneatus and Baculites reesidei zones of the Pierre Shale in Colorado, USA. Acta Geologica Polonica 50:1-20 [M. Clapham/M. Clapham]