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
? Sowerbyella sp. Jones 1928
originally entered as "? Sowerbyella sp."
Thaerodonta sp. Wang 1949
Strophomenata - Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
2 species
Rhynchonellata - Orthida - Plaesiomyidae
Rhynchonellata - Orthida - Dalmanellidae
Dalmanellidae indet. Schuchert 1913
dalmanellid brach.
Rhynchonellata - Orthida - Platyorthidae
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
Stenolaemata - Cryptostomata - Arthrostylidae
Trilobita - Trinucleida - Trinucleidae
Cryptolithoides sp. Whittington 1941
Trilobita - Asaphida - Remopleurididae
Hypodicranotus sp. Whittington 1952
Robergia sp. Wiman 1905
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
Trilobita - Odontopleurida - Odontopleuridae
originally entered as "? Ceratocephala sp."
Trilobita - Corynexochida - Styginidae
? Stygina sp. Salter 1853
originally entered as "? Stygina sp."
Trilobita - Proetida - Proetidae
Proetidae indet. Salter 1864
proetid
Trilobita - Proetida - Otarionidae
Otarion sp. Zenker 1833
Trilobita - Lichida - Lichidae
? Hemiarges sp. Gürich 1901
originally entered as "? Hemiarges sp."
Trilobita - Phacopida - Calymenidae
Calymenidae indet. Milne-Edwards 1840
calymenid
Trilobita - Phacopida - Cheiruridae
Ceraurinus sp. Barton 1913
Ceraurus sp. Green 1832
3 species
Sphaerocoryphe sp. Angelin 1854
originally entered as "? Youngia sp."
Trilobita - Phacopida - Encrinuridae
Cybeloides sp. Slocum 1913
Encrinurus sp. Emmrich 1844
Trilobita - Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930
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:78048, 78050, 78051, 78053
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]