USNM731h, Hess Canyon, Glass Mountains: Roadian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Strophomenata
- Productida
- Cyclacanthariidae
|
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| Cooper and Grant 1977 | VR category | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Texas |
| Coordinates: | 30.4° North, 103.2° West (view map) | ||
| Paleocoordinates: | 3.9° North, 31.8° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Roadian | 10 m.y. bin: | Permian 3 |
| Key time interval: | Roadian | ||
| Age range of interval: | 274.4 - 266.9 m.y. ago |
Stratigraphy
| Formation: | Word | Member: | Willis Ranch |
| Stratigraphic resolution: | group of beds |
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 |
| Museum repositories: | USNM |
Metadata
| Database number: | 106041 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-03-01 15:51:54 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2011-03-01 15:51:54 |
| Creative Commons license: | CC0 |
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] |