D1373 CO: Whiterockian, Nevada
collected by J. Ross, Jr.
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Pterobranchia
- Graptoloidea
- Dicranograptidae
|
||||||||||
|
Dicellograptus cf. sextans
(Hall 1843)
|
Ross and Berry 1963 | |||||||||
|
Dicellograptus cf. divaricatus
(Hall 1859)
|
Ross and Berry 1963 | |||||||||
| Dicellograptus cf. divaricatus var. bicurvatus | ||||||||||
|
Bivalvia
- Solemyida
- Ctenodontidae
|
||||||||||
|
Ctenodonta sp.
Salter 1852
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Lincoln |
| Coordinates: | 37.3° North, 115.4° West (view map) | ||||
| Paleocoordinates: | 7.2° South, 81.7° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2-4 | ||
| Key time interval: | Whiterockian | Brachiopod zone: | N? |
| Age range of interval: | 470.00000 - 457.00000 m.y. ago |
Stratigraphy
| Geological group: | Pogonip | Formation: | Antelope Valley | Member: | Upper |
| Local section: | Pahranagat Range (Ross, 1966) | Local bed: | 120 ft | ||
| Local order: | bottom to top | ||||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Whiterockian; no formal stage | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" | ||
| Lithology description: medium-bedded; ta | |||
| Environment: | shallow subtidal indet. | Tectonic setting: | passive margin |
| Geology comments: carbonate platform | |||
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collectors: | J. Ross, Jr. |
Metadata
| Also known as: | SF 31 | ||
| Database number: | 104382 | ||
| Authorizer: | S. Finnegan, P. Wagner | Enterer: | S. Finnegan, P. Wagner |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2011-02-07 12:04:21 | Last modified: | 2023-09-05 17:33:12 |
| Access level: | the public | Released: | 2011-02-07 12:04:21 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 25411. | R. J., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner] |
Secondary references:
| 61787 | R. B. Ross and W. B. Berry. 1963. Ordovician Graptolites of the Basin Ranges in California, Nevada Utah, and Idaho. United States Geological Survey Bulletin 1134:1-163 [P. Wagner/P. Wagner] |