USGS D4445: Middle Cenomanian, Colorado
collected by G. R. Scott

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
Bivalvia - Pectinida - Plicatulidae
Plicatula arenaria
Bivalvia - Pectinida - Anomiidae
Anomia sp. Linnaeus 1758
Bivalvia - Pectinida - Pectinidae
Camptonectes sp. Meek 1864
Bivalvia - Myalinida - Inoceramidae
Inoceramus eulessanus
Cephalopoda - Ammonitida - Binneyitidae
Borissjakoceras compressum
Cephalopoda - Ammonitida - Acanthoceratidae
Euomphaloceras cf. cunningtoni (Sharpe 1855)
Calycoceras (Conlinoceras) gilberti Cobban and Scott 1972
Gastropoda - Aporrhaidae
Arrhoges modesta
see common names

Geography
Country:United States State/province:Colorado County:Pueblo
Coordinates: 38.2° North, 104.7° West (view map)
Paleocoordinates:38.1° North, 67.3° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Cenomanian 10 m.y. bin: Cretaceous 5
Key time interval: Middle Cenomanian
Age range of interval: 100.5 - 93.9 m.y. ago
Stratigraphy
Formation:Greenhorn Limestone Member:Thatcher Limestone
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate 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
Metadata
Database number:200669
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2019-04-12 21:28:23 Last modified:2019-04-12 21:28:23
Access level:the public Released:2019-04-12 21:28:23
Creative Commons license:CC BY
Reference information

Primary reference:
36104.fossil record W. A. Cobban and G. R. Scott. 1972. Stratigraphy and ammonite fauna and the Graneros Shale and Greenhorn Limestone near Pueblo, Colorado. United States Geological Survey Professional Paper. United States Geological Survey Professional Paper 645:1-108 [L. Bulot/L. Bulot]