Zone 7, Copenhagen Fm., Mbr. C, Antelope Valley: Mohawkian, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
? Anaphilicas sp.
originally entered as "? Anaphilicas sp."
Pterobranchia - Graptoloidea - Climacograptidae
Climacograptus sp. Hall 1865
Strophomenata - Orthotetida - Triplesiidae
Oxoplecia sp. Wilson 1913
Strophomenata - Strophomenida - Bimuriidae
Bimuria sp. Ulrich and Cooper 1942
Strophomenata - Strophomenida - Sowerbyellidae
Eoplectodonta sp. Kozlowski 1929
Sowerbyella sp. Jones 1928
Strophomenata - Strophomenida - Leptestiidae
Bilobia sp. Cooper 1956
Strophomenata - Strophomenida - Leptellinidae
Leptellina sp. Ulrich and Cooper 1936
Strophomenata - Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
originally entered as "Skenoidioides sp."
Rhynchonellata - Orthida - Dalmanellidae
Cristiferina sp. Cooper 1956
synonym of Paucicrura
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Plectorthidae
Plectorthis sp. Hall and Clarke 1892
Ostracoda
Ostracoda indet. Latreille 1802
Trilobita - Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930
Trilobita - Trinucleida - Trinucleidae
Cryptolithoides sp. Whittington 1941
Trilobita - Asaphida - Asaphidae
Anataphrus sp. Whittington 1954
Isotelus sp. Dekay 1824
Trilobita - Asaphida - Remopleurididae
Hypodicranotus sp. Whittington 1952
originally entered as "Hypidocranotus sp."
see common names

Geography
Country:United States State/province:Nevada
Coordinates: 39.4° North, 116.3° West (view map)
Paleocoordinates:6.4° South, 76.8° West
Basis of coordinate:based on political unit
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Local age/stage:Blackriverian
Key time interval:Mohawkian
Age range of interval:457.00000 - 451.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Copenhagen Member:C
Stratigraphic resolution:group of beds
Stratigraphy comments: "Blackriverian"
Lithology and environment
Primary lithology: siltstone
Environment:offshore
Geology comments: "siltstone. outer shelf (BA5)"
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. Ross Jr. and F.C. Shaw, 1972. Distribution of the M. Ord. Copenhagen Fm. and its trilobites in Nevada. USGS Prof Pap.749. R.J. Ross, 1970. USGS Prof. Pap. 639."
Metadata
Database number:321
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:P. Wagner Research group:marine invertebrate
Created:1998-11-20 10:07:18 Last modified:2017-03-03 20:24:43
Access level:the public Released:1998-11-20 10:07:18
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]