Yen locality B4: Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Vertebrata indet.
Lamarck 1801
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| vertebrate specimen Gazin field no. 74-41 | ||||||||||
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Gastropoda
- Heterostropha
- Planorbidae
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Australorbis spectabilis
(Meek 1860)
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Gastropoda
- Viviparidae
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Viviparus wyomingensis
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Sweetwater |
| Coordinates: | 41.1° North, 109.9° West (view map) | ||||
| Paleocoordinates: | 45.1° North, 96.2° 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: | Bridger | ||||
| Stratigraphy comments: no formation given in original publication, but area now mapped as Bridger Formation. In or above Lone Tree white layer. |
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: | 191225 | ||
| Authorizer: | P. Holroyd | Enterer: | P. Holroyd | Research group: | freshwater,vertebrate |
| Created: | 2018-01-17 00:00:33 | Last modified: | 2018-01-17 00:00:33 |
| Access level: | the public | Released: | 2018-01-17 00:00:33 |
| 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] |