Zone 7, Copenhagen Fm., Mbr. C, Antelope Valley (Ordovician of the United States)

Where: Nevada (39.4° N, 116.3° W: paleocoordinates 6.4° S, 76.8° W)

• coordinate based on political unit

When: C Member (Copenhagen Formation), Mohawkian (457.3 - 451.0 Ma)

• "Blackriverian"

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; siltstone

• "siltstone. outer shelf (BA5)"

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 321: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "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."
Show authors, comments, and common names
unclassified
  -
? Anaphilicas sp.
? Anaphilicas sp.
originally entered as "? Anaphilicas sp."
Trilobita
 Phacopida - Pterygometopidae
Calyptaulax sp.
Calyptaulax sp. Cooper 1930 trilobite
 Asaphida - Remopleurididae
Hypodicranotus sp.
Hypodicranotus sp. Whittington 1952 trilobite
originally entered as "Hypidocranotus sp."
 Asaphida - Asaphidae
Anataphrus sp., Isotelus sp.
Anataphrus sp. Whittington 1954 trilobite
Isotelus sp. Dekay 1824 trilobite
 Trinucleida - Trinucleidae
Cryptolithoides sp.
Cryptolithoides sp. Whittington 1941 trilobite
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Rhynchonellata
 Protorthida - Skenidiidae
Skenidioides sp.
Skenidioides sp. Schuchert and Cooper 1931
originally entered as "Skenoidioides sp."
 Orthida - Dalmanellidae
"Cristiferina sp." = Paucicrura
"Cristiferina sp." = Paucicrura Cooper 1956
 Orthida - Hesperorthidae
Hesperorthis sp.
Hesperorthis sp. Schuchert and Cooper 1931
 Orthida - Plectorthidae
Plectorthis sp.
Plectorthis sp. Hall and Clarke 1892
Strophomenata
 Orthotetida - Triplesiidae
Oxoplecia sp.
Oxoplecia sp. Wilson 1913
 Strophomenida - Strophomenidae
Strophomena sp.
Strophomena sp. Rafinesque and De Blainville 1824
 Strophomenida - Sowerbyellidae
Eoplectodonta sp., Sowerbyella sp.
Eoplectodonta sp. Kozlowski 1929
Sowerbyella sp. Jones 1928
 Strophomenida - Leptellinidae
Leptellina sp.
Leptellina sp. Ulrich and Cooper 1936
 Strophomenida - Leptestiidae
Bilobia sp.
Bilobia sp. Cooper 1956
 Strophomenida - Bimuriidae
Bimuria sp.
Bimuria sp. Ulrich and Cooper 1942
Pterobranchia
 Graptoloidea - Climacograptidae
Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid