Hilltop, near Havasu Canyon, Toroweap Beta bed 4: Kungurian, Arizona

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Bellerophontida - Bellerophontidae
Bellerophon sp. de Montfort 1808
see common names

Geography
Country:United States State/province:Arizona
Coordinates: 36.2° North, 112.7° West (view map)
Paleocoordinates:10.3° North, 36.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Permian Epoch:Cisuralian
Stage:Kungurian 10 m.y. bin:Permian 2
Key time interval:Kungurian
Age range of interval:283.50000 - 273.01000 m.y. ago
Stratigraphy
Formation:Toroweap
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:yellow lithified "limestone"
Lithology description: Limestone; yellow, massive beds weathering to rough surfaces, alternating with gray, hard, smooth beds (2-4 feet thick); locally fossiliferous
Environment:open shallow subtidal
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Grand Canyon National Park Museum (types or all now at USNM)
Metadata
Database number:148751
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2013-07-25 11:40:17 Last modified:2013-11-25 13:02:06
Access level:the public Released:2013-07-25 11:40:17
Creative Commons license:CC BY
Reference information

Primary reference:
21651. E. D. McKee. 1938. The environment and history of the Toroweap and Kaibab Formations of northern Arizona and southern Utah. Carnegie Institution of Washington Publication 492:1-268 [G. Webster/G. Webster/M. Clapham]