D 1873 CO: Mohawkian, Nevada
collected by J. Ross, Jr.
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sp.
Jones 1928
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Strophomenata
- Strophomenida
- Leptellinidae
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? Leptellina sp.
Ulrich and Cooper 1936
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small | ||||||||||
Rhynchonellata
- Orthida
- Hesperorthidae
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? Hesperorthis sp.
Schuchert and Cooper 1931
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Trilobita
- Phacopida
- Pterygometopidae
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Calyptaulax sp.
Cooper 1930
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Trilobita
- Asaphida
- Asaphidae
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Anataphrus sp.
Whittington 1954
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nov | ||||||||||
= Anataphrus martinensis
Ross and Shaw 1972
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Ross and Shaw 1972 | |||||||||
Isotelus sp.
Dekay 1824
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= Isotelus copenhagenensis
Ross and Shaw 1972
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Ross and Shaw 1972 | |||||||||
Trilobita
- Asaphida
- Remopleurididae
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Hypodicranotus sp.
Whittington 1952
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see common names |
Geography
Country: | United States | State/province: | Nevada | County: | Eureka |
Coordinates: | 39.2° North, 116.3° West (view map) | ||||
Paleocoordinates: | 6.5° South, 77.0° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 4-5 | ||
Key time interval: | Mohawkian | Trilobite zone: | |
Age range of interval: | 457.00000 - 451.10000 m.y. ago |
Stratigraphy
Formation: | Copenhagen | Member: | C |
Local section: | Antelope Valley Composite | Local bed: | 272 ft |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | lithified siltstone | ||
Lithology description: calcareous | |||
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 205 | ||
Database number: | 104490 | ||
Authorizer: | S. Finnegan, M. Hopkins | Enterer: | S. Finnegan, M. Hopkins |
Modifier: | S. Finnegan | Research group: | marine invertebrate |
Created: | 2011-02-07 12:04:21 | Last modified: | 2011-04-01 12:09:34 |
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:
34728 | R. J., J.r. Ross and F. C. Shaw. 1972. Distribution of the Middle Ordovician Copenhagen Formation and its trilobites in Nevada. United States Geological Survey Professional Paper 749:1-33 [M. Hopkins/M. Hopkins/P. Wagner] |