Bull Lake (Tosi Mb), Cedar Ridge, Fremont County: Lopingian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pectinida
- Hunanopectinidae
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Monotis landerensis
Branson 1930
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Bivalvia
- Pectinida
- Deltopectinidae
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Aviculopecten alatus
Branson 1930
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(1 measurement) | ||||||||||
Bivalvia
- Ostreida
- Pinnidae
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Aviculopinna informal sp. B
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(1 measurement) | ||||||||||
= Meekopinna sagitta
Chronic 1952
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Yancey 1978 | |||||||||
Aviculopinna informal sp. A
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(1 measurement) | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming |
Coordinates: | 43.2° North, 109.2° West (view map) | ||
Paleocoordinates: | 14.2° North, 31.7° West | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | outcrop |
Time
Period: | Permian | Epoch: | Lopingian |
10 m.y. bin: | Permian 4 | ||
Key time interval: | Lopingian | ||
Age range of interval: | 259.51 - 251.902 m.y. ago |
Stratigraphy
Formation: | Phosphoria | Member: | Tosi | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Davydov et al. 2017 dated an ash bed in the upper Meade Peak Member at 260.57 ± 0.07 / 0.14 / 0.31 Ma, indicating that the Meade Peak is as young as uppermost Capitanian. |
Lithology and environment
Primary lithology: | not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 87156 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2009-03-08 17:54:23 | Last modified: | 2018-11-25 22:03:03 |
Access level: | the public | Released: | 2009-03-08 17:54:23 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
27437. | K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100 [M. Clapham/M. Clapham] |
Secondary references:
16473 | T. E. Yancey. 1978. Brachiopods and mollusca of the Lower Permian Arcturus Group, Nevada and Utah, Part 1: brachiopods, scaphopods, rostroconchs, and bivalves. Bulletins of American Paleontology 74(303):257-367 [P. Wagner/P. Wagner/M. Clapham] |