Oxoplecia zone, middle of "argillite member" Copenhagen Fm.: Caradoc, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
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Crinoidea indet.
Miller 1821
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| crinoid fragments | ||||||||||
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Gastropoda
- Murchisoniina
- Lophospiridae
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Loxoplocus sp.
Fischer 1885
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= Lophospiridae indet.
Wenz 1938
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Wagner 2023 | |||||||||
| Lophospira, Eunema or Paupospira | ||||||||||
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Dinorthis sp.
Hall and Clarke 1892
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Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis sp.
Schuchert and Cooper 1931
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Rhynchonellata
- Orthida
- Dalmanellidae
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Resserella sp.
Bancroft 1928
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena sp.
Rafinesque and De Blainville 1824
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| 2 species | ||||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina sp.
Hall and Clarke 1892
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Strophomenata
- Strophomenida
- Furcitellidae
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Oepikina sp.
(Salmon 1942)
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| original and current combination Opikina | ||||||||||
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Microtrypa sp.
Wilson 1945
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| synonym of Trigrammaria | ||||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sp.
Jones 1928
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Eoplectodonta sp.
Kozlowski 1929
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Strophomenata
- Orthotetida
- Triplesiidae
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Oxoplecia sp.
Wilson 1913
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abundant category | |||||||||
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Stenolaemata
- Trepostomata
- Halloporidae
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Diplotrypa sp.
Nicholson 1879
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Prasopora sp.
Nicholson and Etheridge 1877
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Anthozoa
- Stauriida
- Streptelasmatidae
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Streptelasma sp.
Hall 1847
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Eureka |
| Coordinates: | 40.0° North, 116.3° West (view map) | ||||
| Paleocoordinates: | 6.2° South, 76.3° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| *Period: | Middle Ordovician | *Epoch: | Caradoc |
| Key time interval: | Caradoc | ||
| Age range of interval: | 458.40000 - 449.60000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Copenhagen | Member: | B | ||
| Stratigraphy comments: "M. Ord. middle 150' of 'argillite member'", Bed/horizon is middle and 150 ft. |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
| Geology comments: "bioclastic calcarenites and finer ls and calcareous qtz ss intercalated with argillites" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"Webb, 1958" | |
Metadata
| Database number: | 420 | ||
| Authorizer: | J. Sepkoski, P. Wagner | Enterer: | M. Sommers, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1998-12-03 15:50:51 | Last modified: | 2018-05-09 12:28:46 |
| Access level: | the public | Released: | 1998-12-03 15:50:51 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 60936. | G. W. Webb. 1958. Middle Ordovician stratigraphy in eastern Nevada and western Utah. AAPG Bulletin 42(10):2335-2377 [M. Uhen/J. Ju/J. Ju] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |