UNSM loc. 176, south end of Deep Spring Valley, White-Inyo Mountains: Dyeran, California
collected by C. D. Walcott and F. B. Weeks 1896
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Obolellata
- Obolellida
- Obolellidae
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Trilobita
- Redlichiida
- Olenellidae
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Trilobita
- Redlichiida
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Inyo |
| Coordinates: | 37.3° North, 118.1° West (view map) | ||||
| Paleocoordinates: | 32.7° North, 141.8° West (Wright 2013) | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 | ||
| Key time interval: | Dyeran | ||
| Age range of interval: | 515.3 - 509.7 m.y. ago |
Stratigraphy
| Formation: | Poleta |
Lithology and environment
| Primary lithology: | "shale" | ||
| Secondary lithology: | "limestone" | ||
| Lithology description: "Shales and interbedded lime- stones between massive limestone containing Archxocyathus" | |||
| Environment: | carbonate indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | C. D. Walcott and F. B. Weeks | Collection dates: | 1896 |
Metadata
| Database number: | 226617 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2022-07-17 11:54:57 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2022-07-17 11:54:57 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 13472. | C. D. Walcott. 1912. Cambrian Brachiopoda. United States Geological Survey Monograph 51(1-2) [A. Miller/A. Hendy/A. Hendy] |