USNM722d, Long Valley: Wuchiapingian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Productida
- Productellidae
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Echinauris magna
Cooper and Grant 1975
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Cooper and Grant 1977 | VR category | |||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada |
| Coordinates: | 39.5° North, 115.5° West (view map) | ||
| Paleocoordinates: | 13.9° North, 37.6° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Wuchiapingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wuchiapingian | ||
| Age range of interval: | 259.51 - 254.14 m.y. ago |
Stratigraphy
| Formation: | Phosphoria | Member: | Franson | ||
| 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: | lithified "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 105813 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-02-25 16:59:46 | Last modified: | 2018-11-25 22:11:11 |
| Access level: | the public | Released: | 2011-02-25 16:59:46 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11454. | G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham] |
Secondary references:
| 11407 | G. A. Cooper and R. E. Grant. 1977. Permian Brachiopods of West Texas, VI. Smithsonian Contributions to Paleobiology 32:3161-3370 [T. Olszewski/K. Tracy/M. Clapham] |