D1608 CO: Whiterockian, Nevada
collected by J. Ross, Jr.
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Murchisoniina
- Murchisoniidae
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? Murchisonia sp.
d'Archiac and de Verneuil 1841
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Hormotoma? | ||||||||||
Gastropoda
- Euomphalina
- Macluritidae
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? Maclurites sp.
Le Sueur 1818
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see common names |
Geography
Country: | United States | State/province: | Nevada | County: | Nye |
Coordinates: | 39.0° North, 116.6° West (view map) | ||||
Paleocoordinates: | 5.8° South, 80.4° 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: | M? |
Age range of interval: | 470.00000 - 457.00000 m.y. ago |
Stratigraphy
Geological group: | Pogonip | Formation: | Antelope Valley | ||
Local section: | Ikes Canyon, Toquima Range | Local bed: | 320-323 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: crystalline; cephalopods | |||
Environment: | deep subtidal shelf | Tectonic setting: | passive margin |
Geology comments: middle shelf |
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 117 | ||
Database number: | 104463 | ||
Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
Modifier: | J. Marcot | Research group: | marine invertebrate |
Created: | 2011-02-07 12:04:21 | Last modified: | 2023-09-05 14:27:48 |
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] |