Hanson Cr. Community, Hanson Creek Fm., Wood Cone Peak: Ashgill, Nevada
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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originally entered as "? Sowerbyella sp." | ||||||||||
Thaerodonta sp.
Wang 1949
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena sp.
Rafinesque and De Blainville 1824
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Lepidocyclus sp.
Wang 1949
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2 species | ||||||||||
Rhynchonellata
- Orthida
- Plaesiomyidae
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Pionorthis occidentalis
Okulitch 1943
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanellidae indet.
Schuchert 1913
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dalmanellid brach. | ||||||||||
Rhynchonellata
- Orthida
- Platyorthidae
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Diceromyonia sp.
Wang 1949
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Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides sp.
Schuchert and Cooper 1931
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Trilobita
- Trinucleida
- Trinucleidae
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Cryptolithoides sp.
Whittington 1941
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Trilobita
- Asaphida
- Remopleurididae
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Hypodicranotus sp.
Whittington 1952
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Robergia sp.
Wiman 1905
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Trilobita
- Asaphida
- Asaphidae
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Isotelus sp.
Dekay 1824
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Trilobita
- Odontopleurida
- Odontopleuridae
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? Ceratocephala sp.
Warder 1838
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originally entered as "? Ceratocephala sp." | ||||||||||
Trilobita
- Corynexochida
- Styginidae
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? Stygina sp.
Salter 1853
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originally entered as "? Stygina sp." | ||||||||||
Trilobita
- Proetida
- Proetidae
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Proetidae indet.
Salter 1864
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proetid | ||||||||||
Trilobita
- Proetida
- Otarionidae
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Otarion sp.
Zenker 1833
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Trilobita
- Lichida
- Lichidae
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? Hemiarges sp.
Gürich 1901
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originally entered as "? Hemiarges sp." | ||||||||||
Trilobita
- Phacopida
- Calymenidae
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Calymenidae indet.
Milne-Edwards 1840
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calymenid | ||||||||||
Trilobita
- Phacopida
- Cheiruridae
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Ceraurinus sp.
Barton 1913
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Ceraurus sp.
Green 1832
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3 species | ||||||||||
Sphaerocoryphe sp.
Angelin 1854
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originally entered as "? Youngia sp." | ||||||||||
Trilobita
- Phacopida
- Encrinuridae
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Cybeloides sp.
Slocum 1913
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Encrinurus sp.
Emmrich 1844
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Trilobita
- Phacopida
- Pterygometopidae
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Calyptaulax sp.
Cooper 1930
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see common names |
Geography
Country: | United States | State/province: | Nevada |
Coordinates: | 39.4° North, 116.1° West (view map) | ||
Paleocoordinates: | 8.9° South, 131.3° West (Wright 2013) | ||
Basis of coordinate: | based on political unit |
Time
Period: | Ordovician | Epoch: | Late Ordovician |
10 m.y. bin: | Ordovician 5 | ||
*Period: | Late/Upper Ordovician | *Epoch: | Ashgill |
Key time interval: | Ashgill | ||
Age range of interval: | 449.5 - 443.1 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Hanson Creek | ||||
Stratigraphy comments: "U. Ord. (Cincinnatian; Ashgill)" |
Lithology and environment
Primary lithology: | "limestone" |
Environment: | offshore shelf |
Geology comments: "nodular, silty ls. outer shelf (BA5). non-orogenic miogeocline" |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Taxonomic list comments:"R.J. Rose Jr., T.B. Nolan, A.G. Harris, 1979. The Upper Ord. and Sil. Hanson Cr. Fm. of central NV. USGS Prof. Pap. 1126C" |
Metadata
Database number: | 359 | ||
Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
Modifier: | J. Ju | Research group: | marine invertebrate |
Collections that are a subset of this one: | |||
Created: | 1998-11-20 10:07:18 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 1998-11-20 10:07:18 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
61150. | R. J. Rose, Jr., T. B. Nolan, and A. G. Harris. 1979. The Upper Ord. and Sil. Hanson Cr. Fm. of central NV. U.S. Geological Survey Professional Paper 1126C [M. Uhen/J. Ju] |