Maxey Composite for Spence Shale: Divide this (Cambrian of the United States)

Also known as Was Spence Shale Mbr., Langston Fm., SE. Idaho/N. Utah

Where: Idaho (42.2° N, 112.3° W)

• Paleocoordinates: 31.5° N, 129.3° W (Wright 2013)

• coordinate based on political unit

• basin-level geographic resolution

When: ? Glossopleura trilobite zone, Spence Shale Member (Langston Formation), Delamaran (511.2 - 506.5 Ma)

• "Glossopleura zone?", which is the top of the Delamaran (PJW; was Merioneth).

• member-level stratigraphic resolution

Environment/lithology: marine; gray, green limestone and shale

• "green sh. and ls (finely xtalline, dark grey); richly fossiliferous. inner detrital to mid carbonate. pre-orogenic geosyncline. BA3"

Size classes: macrofossils, mesofossils

Primary reference: G. B. Maxey. 1958. Lower and Middle Cambrian stratigraphy in northern Utah and southeastern Idaho. Geological Society of America Bulletin 69(6):1-647 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 207: authorized by Jack Sepkoski, entered by Mike Sommers on 21.03.1999

Creative Commons license: CC0 (CC0)

Taxonomic list

• "Maxet, 1958"
Show authors, comments, and common names
 Selkirkiimorpha - Selkirkiidae
Selkirkia sp.
Selkirkia sp. Walcott 1911
Artiopoda
 Agnostida - Eodiscidae
Pagetia sp.
Pagetia sp. Walcott 1916
 Agnostida - Agnostidae
Agnostus sp.
Agnostus sp. Brongniart 1822
Trilobita
 Corynexochida - Dorypygidae
Olenoides sp., "Taxioura sp." = Ogygopsis, Kootenia sp.
Olenoides sp. Meek 1877 trilobite
"Taxioura sp." = Ogygopsis Walcott 1889 trilobite
Kootenia sp. Walcott 1899 trilobite
 Corynexochida - Oryctocephalidae
Oryctocephalus sp., Oryctocare sp.
Oryctocephalus sp. Walcott 1886 trilobite
Oryctocare sp. Tomashpolskaya 1961 trilobite
 Corynexochida - Zacanthoididae
Zacanthoides sp., "Vistoia sp." = Vanuxemella, Albertella sp.
Zacanthoides sp. Walcott 1888 trilobite
"Vistoia sp." = Vanuxemella Walcott 1916 trilobite
Albertella sp. Walcott 1908 trilobite
 Corynexochida - Dolichometopidae
Poliella sp., Glossopleura sp., Clavaspidella sp., Bathyuriscus sp.
Poliella sp. Walcott 1916 trilobite
Glossopleura sp. Poulsen 1927 trilobite
Clavaspidella sp. Poulson 1927 trilobite
Bathyuriscus sp. Meek 1873 trilobite
 Ptychopariida - Ptychopariidae
Pachyaspis sp., "Spencia sp." = Spencia, "Stauroholcus sp." = Spencia
Pachyaspis sp. Resser 1938 trilobite
"Spencia sp." = Spencia Resser 1939 trilobite
"Stauroholcus sp." = Spencia Resser 1939 trilobite
 Ptychopariida - Alokistocaridae
Alokistocare sp., "Ehmaniella sp." = Ehmaniella, "Clappaspis sp." = Ehmaniella, Bythicheilus sp., Elrathia sp., Chancia sp., Alokistocarella sp.
Alokistocare sp. Lorenz 1906 trilobite
"Ehmaniella sp." = Ehmaniella Resser 1937 trilobite
"Clappaspis sp." = Ehmaniella Resser 1937 trilobite
Bythicheilus sp. Resser 1939 trilobite
Elrathia sp. Walcott 1924 trilobite
Chancia sp. Walcott 1924 trilobite
Alokistocarella sp. Resser 1938 trilobite
  - Utiidae
Utia sp.
Utia sp. Walcott 1924 trilobite
Hyolitha
 Orthothecida - Orthothecidae
Orthotheca sp.
Orthotheca sp. Novak 1886
 Hyolithida - Hyolithidae
Hyolithes sp.
Hyolithes sp. d'Eichwald 1840
Lingulata
 Lingulida - Obolidae
Lingulella sp.
Lingulella sp. Salter 1866
 Lingulida - Acrothelidae
Acrothele sp.
Acrothele sp. Linnarsson 1876
Paterinata
 Paterinida - Paterinidae
"Iphidella sp." = Micromitra
"Iphidella sp." = Micromitra Meek 1873
Rhynchonellata
 Orthida - Bohemiellidae
Wimanella sp.
Wimanella sp. Walcott 1908
Eocrinoidea
 Gogiida - Eocrinidae
"Eocrinus sp." = Gogia
"Eocrinus sp." = Gogia Walcott 1917