Ridge above Cottonwood Canon, West Humboldt Range: Anisian, Nevada
collected by Fortieth Parallel Expedition 1867-1869
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
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Orthoceras blakei
(Gabb 1864)
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| nomen dubium belonging to Orthoceratoidea | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada |
| Coordinates: | 40.4° North, 118.1° West (view map) | ||
| Paleocoordinates: | 11.0° North, 41.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Anisian | ||
| Age range of interval: | 247.20000 - 242.00000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified silty "limestone" |
| Includes fossils? | Y |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | Fortieth Parallel Expedition | Collection dates: | 1867-1869 |
Metadata
| Database number: | 142625 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2013-04-15 02:12:41 | Last modified: | 2013-04-14 11:12:41 |
| Access level: | the public | Released: | 2013-04-15 02:12:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 16190. | F. B. Meek. 1877. Part I. Palaeontology. Report of the Geological Exploration of the Fortieth Parallel 4:1-197 [P. Wagner/P. Wagner/M. Clapham] |