Lower Member of the Shedhorn Formation, Wyoming: Wordian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
Osteichthyes indet. Huxley 1880
Lingulata - Lingulida - Discinidae
Orbiculoidea sp. d'Orbigny 1847
Orbiculoidea (Roemerella) utahensis (Meek 1877)
Lingulata - Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
Strophomenata - Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884
Strophomenata - Productida - Echinoconchidae
Bathymyonia sp.
Bathymyonia nevadensis (Meek 1877)
Rhynchonellata - Spiriferida - Spiriferellidae
Neospirifer pseudocameratus (Girty 1920)
Stenolaemata - Trepostomata
Trepostomata indet. Ulrich 1882
entered as "Terpostomata"
Stenolaemata - Fenestrata
Fenestrata indet. (Elias and Condra 1957)
Gastropoda - Bellerophontida - Bellerophontidae
Knightites (Retispira) sp. (Knight 1945)
Gastropoda - Bellerophontida - Euphemitidae
Euphemites sp. Warthin 1930
Bivalvia - Pectinida - Deltopectinidae
Aviculopecten cf. alternatus Branson 1930
Bivalvia - Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851
Bivalvia - Trigoniida - Schizodidae
Schizodus sp. King 1844
Bivalvia - Sanguinolitidae
Wilkingia sp. Wilson 1959
Bivalvia - Nuculanida - Polidevciidae
Polidevcia obesa (White 1879)
Anthozoa - Rugosa
Rugosa indet. Milne-Edwards and Haime 1850
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 43.0° North, 106.8° West (view map)
Paleocoordinates:13.9° North, 29.1° West
Basis of coordinate:based on political unit
Geographic resolution:basin
Time
Period: Permian Epoch: Guadalupian
Stage: Wordian 10 m.y. bin: Permian 4
Key time interval: Wordian
Age range of interval: 266.9 - 264.28 m.y. ago
Stratigraphy
Formation:Shedhorn Member:Lower
Stratigraphic resolution:member
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:Rugose corals found in this formation may be older than Shedhorn Formation.
Metadata
Database number:11226
Authorizer:A. Miller Enterer:C. Ferguson
Modifier:C. Ferguson Research group:marine invertebrate
Created:2001-07-26 11:48:14 Last modified:2006-07-13 15:29:52
Access level:the public Released:2001-07-26 11:48:14
Creative Commons license:CC BY
Reference information

Primary reference:

4145.1% 17920E. L. Yochelson and D. H. Van Sickle. 1968. Biostratigraphy of the Phosphoria, Park City, and Shedhorn Formations; Geology of Permian Rocks in the Western Phosphate Field. United States Geological Survey Professional Paper 313(D):572-660 [A. Miller/C. Ferguson/P. Wagner]