Upper Member of the Shedhorn Formation, Wyoming: Wordian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Scapallina phosphoriensis
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Osteichthyes
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Osteichthyes indet.
Huxley 1880
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Strophomenata
- Productida
- Aulostegidae
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Sphenosteges hispidus
(Girty 1920)
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Rhynchonellata
- Spiriferinida
- Spiriferinidae
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Spiriferina cf. kentuckensis
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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Stenolaemata
- Trepostomata
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Trepostomata indet.
Ulrich 1882
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| entered as "Terpostomata" | ||||||||||
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Stenolaemata
- Fenestrata
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Fenestrata indet.
(Elias and Condra 1957)
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| synonym of Fenestelloidea | ||||||||||
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Bivalvia
- Nuculanida
- Polidevciidae
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Polidevcia obesa
(White 1879)
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Bivalvia
- Pectinida
- Deltopectinidae
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Aviculopecten cf. alternatus
Branson 1930
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| synonym of Cyrtorostra varicostata | ||||||||||
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Bivalvia
- Pectinida
- Aviculopectinidae
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Aviculopecten sp.
M'Coy 1851
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Bivalvia
- Pectinida
- Heteropectinidae
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Aviculopecten cf. vanvleeti
Beede 1902
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= Heteropecten cf. vanvleeti
Beede 1902
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Newell and Boyd 1995 | |||||||||
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Gastropoda
- Bellerophontida
- Euphemitidae
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? Warthia sp.
Waagen 1880
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Euphemites sp.
Warthin 1930
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Gastropoda
- Cycloneritida
- Trachyspiridae
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? Trachydomia sp. n. sp.
Meek and Worthen 1866
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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: | 266.90000 - 264.28000 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
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 11225 | ||
| Authorizer: | A. Miller, D. Bottjer | Enterer: | C. Ferguson, M. Clapham |
| Modifier: | C. Ferguson | Research group: | marine invertebrate |
| Created: | 2001-07-26 11:21:31 | Last modified: | 2006-07-13 15:28:32 |
| Access level: | the public | Released: | 2001-07-26 11:21:31 |
| 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] |
Secondary references:
| 11472 | N. D. Newell and D.W. Boyd. 1995. Pectinoid bivalves of the Permian-Triassic crisis. Bulletin of the American Museum of Natural History 227:1-95 [D. Bottjer/M. Clapham/M. Clapham] |