USGS 8527, Colina Ridge, Tombstone Hills: Kungurian, Arizona

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Euomphalina - Omphalotrochidae
Omphalotrochus cochisensis Yochelson 1956
3 specimens
Gastropoda - Bellerophontida - Euphemitidae
Euphemitopsis subpapillosa (White 1876)
Yochelson 1960 4 specimens
Gastropoda - Bellerophontida - Bellerophontidae
Bellerophon (Bellerophon) parvicristus Yochelson 1960
Yochelson 1960 1 specimen
see common names

Geography
Country:United States State/province:Arizona
Coordinates: 31.6° North, 110.0° West (view map)
Paleocoordinates:5.5° North, 37.9° 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
Geological group:Naco Formation:Colina
Stratigraphic resolution:group of beds
Stratigraphy comments: Upper part.
Lithology and environment
Primary lithology: lithified "limestone"
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:121361
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2011-12-02 16:43:40 Last modified:2013-11-25 13:02:06
Access level:the public Released:2011-12-02 16:43:40
Creative Commons license:CC BY
Reference information

Primary reference:
11481. E. L. Yochelson. 1956. Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. Bulletin of the American Museum of Natural History 110(3):173-276 [D. Bottjer/M. Clapham/M. Clapham]

Secondary references:

11477 E. L. Yochelson. 1960. Permian Gastropoda of the southwestern United States. 3. Bellerophontacea and Patellacea. Bulletin of the American Museum of Natural History 119(4):208-293 [D. Bottjer/M. Clapham/M. Clapham]