Hanson Cr. Community, Hanson Creek Fm., Wood Cone Peak: Ashgill, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Lepidocyclus sp.
Wang 1949
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| 2 species | ||||||||||
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Pionorthis occidentalis
Okulitch 1943
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| recombined as Dinorthis occidentalis | ||||||||||
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Rhynchonellata
- Orthida
- Platyorthidae
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Diceromyonia sp.
Wang 1949
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanellidae indet.
Schuchert 1913
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| dalmanellid brach. | ||||||||||
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Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides sp.
Schuchert and Cooper 1931
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena sp.
Rafinesque and De Blainville 1824
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Strophomenata
- Strophomenida
- Sowerbyellidae
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? Sowerbyella sp.
Jones 1928
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| originally entered as "? Sowerbyella sp." | ||||||||||
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Thaerodonta sp.
Wang 1949
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| synonym of Eochonetes | ||||||||||
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Sceptropora faculum
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Trilobita
- Proetida
- Otarionidae
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Otarion sp.
Zenker 1833
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Trilobita
- Proetida
- Proetidae
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Proetidae indet.
Salter 1864
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| proetid | ||||||||||
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Trilobita
- Corynexochida
- Styginidae
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? Stygina sp.
Salter 1853
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| originally entered as "? Stygina sp." | ||||||||||
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Trilobita
- Odontopleurida
- Odontopleuridae
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? Ceratocephala sp.
Warder 1838
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| originally entered as "? Ceratocephala sp." | ||||||||||
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Trilobita
- Lichida
- Lichidae
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? Hemiarges sp.
Gürich 1901
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| originally entered as "? Hemiarges sp." | ||||||||||
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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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Anataphrus sp.
Whittington 1954
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Trilobita
- Phacopida
- Calymenidae
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Calymenidae indet.
Milne-Edwards 1840
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| calymenid | ||||||||||
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Trilobita
- Phacopida
- Pterygometopidae
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Calyptaulax sp.
Cooper 1930
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Trilobita
- Phacopida
- Cheiruridae
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Sphaerocoryphe sp.
Angelin 1854
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Ceraurus sp.
Green 1832
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| 3 species | ||||||||||
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Ceraurinus sp.
Barton 1913
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? Youngia sp.
Lindström 1885
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| originally entered as "? Youngia sp." | ||||||||||
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Trilobita
- Phacopida
- Encrinuridae
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Cybeloides sp.
Slocum 1913
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Encrinurus sp.
Emmrich 1844
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada |
| Coordinates: | 39.4° North, 116.1° West (view map) | ||
| Paleocoordinates: | 6.8° South, 74.3° West | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 5 | ||
| *Period: | Late/Upper Ordovician | *Epoch: | Ashgill |
| Key time interval: | Ashgill | ||
| Age range of interval: | 449.60000 - 443.80000 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: | 2017-01-07 17:24:30 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
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] |