Yen locality B5: Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Heterostropha
- Vertiginidae
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Vertigo arenula
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Gastropoda
- Heterostropha
- Lymnaeidae
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Lymnaea similis
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Lymnaea vetusta
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Lymnaea sp.
Lamarck 1799
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Gastropoda
- Heterostropha
- Physidae
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Physa cf. bridgerensis
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Physa cf. pleromatis
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Gastropoda
- Heterostropha
- Planorbidae
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Australorbis spectabilis
(Meek 1860)
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see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Natrona |
Coordinates: | 43.4° North, 107.4° West (view map) | ||||
Paleocoordinates: | 47.0° North, 93.1° West | ||||
Basis of coordinate: | stated in text |
Time
Period: | Paleogene | Epoch: | Eocene |
10 m.y. bin: | Cenozoic 2 | ||
Key time interval: | Bridgerian | ||
Age range of interval: | 50.50000 - 46.20000 m.y. ago |
Stratigraphy
Formation: | Wind River | ||||
Stratigraphy comments: no formation given in original publication, but area now mapped as Wind River Formation; age interpreted as Bridgerian based on molluscans |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 191226 | ||
Authorizer: | P. Holroyd | Enterer: | P. Holroyd | Research group: | freshwater |
Created: | 2018-01-17 00:06:13 | Last modified: | 2018-01-17 00:06:13 |
Access level: | the public | Released: | 2018-01-17 00:06:13 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
64495. | T.-C. Yen. 1948. Eocene fresh-water Mollusca from Wyoming. Journal of Paleontology 22(5):634-640 [P. Holroyd/P. Holroyd] |