Lower Member of the Shedhorn Formation, Wyoming: Wordian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
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Osteichthyes indet.
Huxley 1880
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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Orbiculoidea (Roemerella) utahensis
(Meek 1877)
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Lingulata
- Lingulida
- Lingulidae
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Lingula sp.
BruguiƩre 1797
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Strophomenata
- Orthotetida
- Derbyiidae
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Derbyia sp.
Waagen 1884
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Strophomenata
- Productida
- Echinoconchidae
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Bathymyonia sp.
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Bathymyonia nevadensis
(Meek 1877)
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Rhynchonellata
- Spiriferida
- Spiriferellidae
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Neospirifer pseudocameratus
(Girty 1920)
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Stenolaemata
- Trepostomata
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Trepostomata indet.
Ulrich 1882
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entered as "Terpostomata" | ||||||||||
Stenolaemata
- Fenestrata
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Fenestrata indet.
(Elias and Condra 1957)
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Gastropoda
- Bellerophontida
- Bellerophontidae
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Knightites (Retispira) sp.
(Knight 1945)
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Gastropoda
- Bellerophontida
- Euphemitidae
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Euphemites sp.
Warthin 1930
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Bivalvia
- Pectinida
- Deltopectinidae
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Aviculopecten cf. alternatus
Branson 1930
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Bivalvia
- Pectinida
- Aviculopectinidae
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Aviculopecten sp.
M'Coy 1851
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Bivalvia
- Trigoniida
- Schizodidae
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Schizodus sp.
King 1844
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Bivalvia
- Sanguinolitidae
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Wilkingia sp.
Wilson 1959
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Bivalvia
- Nuculanida
- Polidevciidae
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Polidevcia obesa
(White 1879)
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Anthozoa
- Rugosa
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Rugosa indet.
Milne-Edwards and Haime 1850
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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 |
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% 17920 | E. 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] |