D 829 CO: Whiterockian, Nevada
collected by J. Ross, Jr.
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ostracoda
- Leperditellocopida
- Aparchitidae
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Aparchitidae indet.
Jones 1901
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"Aparchitid" | ||||||||||
Trilobita
- Phacopida
- Pterygometopidae
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Calliops sp.
Delo 1935
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= Calyptaulax aff. angusta
Cooper 1953
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Ross and Barnes 1967 | |||||||||
Trilobita
- Asaphida
- Remopleurididae
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Remopleurides sp.
Portlock 1843
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Trilobita
- Asaphida
- Asaphidae
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? Isotelus sp.
Dekay 1824
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Strophomenata
- Strophomenida
- Strophomenidae
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? Strophomena sp.
Rafinesque and De Blainville 1824
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Strophomenata
- Strophomenida
- Leptellinidae
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Leptellina occidentalis
Ulrich and Cooper 1938
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recombined as Leptellina (Leptellina) occidentalis | ||||||||||
Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides oklahomensis
Cooper 1956
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Rhynchonellata
- Orthida
- Plectorthidae
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? Desmorthis sp.
Ulrich and Cooper 1936
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= Desmorthis planus n. sp.
Ross and Barnes 1967
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Ross and Barnes 1967 | |||||||||
Lingulata
- Lingulida
- Paterulidae
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Paterula sp.
Barrande 1879
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Gastropoda
- Murchisoniina
- Lophospiridae
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? Lophospira sp.
Whitfield 1886
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see common names |
Geography
Country: | United States | State/province: | Nevada | County: | Nye |
Coordinates: | 36.9° North, 116.7° West (view map) | ||||
Paleocoordinates: | 6.4° South, 82.4° 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 | Zone: | O? |
Age range of interval: | 470.00000 - 457.00000 m.y. ago |
Stratigraphy
Geological group: | Pogonip | Formation: | Antelope Valley | ||
Local section: | N side Meiklejohn Peak | Local bed: | 530-550 below base of massive unit of the Eureka ft | ||
Local order: | top to bottom | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Whiterockian |
Lithology and environment
Primary lithology: | lithified "limestone" | ||
Lithology description: thin-bedded; medium-bedded; thin to medium bedded | |||
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: | surface (float),field collection |
Reason for describing collection: | biostratigraphic analysis |
Collectors: | J. Ross, Jr. |
Metadata
Also known as: | SF 141 | ||
Database number: | 104282 | ||
Authorizer: | S. Finnegan, J. Marcot | Enterer: | S. Finnegan, J. Marcot |
Modifier: | J. Marcot | Research group: | marine invertebrate |
Created: | 2011-02-07 12:04:21 | Last modified: | 2023-09-05 14:23:55 |
Access level: | the public | Released: | 2011-02-07 12:04:21 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
25410. | R. J. Ross, Jr. and C. R. Longwell. 1964. Middle and Lower Ordovician Formations in Southernmost Nevada and Adjacent California. United States Geological Survey Bulletin 1180-C:C1-C101 [S. Finnegan/S. Finnegan/J. Marcot] |
Secondary references:
25413 | R. J., J.r. Ross and H. B. Barnes. 1967. Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States. United States Geological Survey Professional Paper 523-D:D1-D4 [S. Finnegan/S. Finnegan/P. Wagner] |