Elrathia kingii community, Wheeler Shale (Cambrian of the United States)

Where: Utah (39.4° N, 111.6° W: paleocoordinates 5.7° S, 91.9° W)

• coordinate based on political unit

When: Wheeler Shale Formation, St Davids (509.0 - 497.0 Ma)

• "mid to upper M.Camb"

Environment/lithology: offshore shelf; shale

• "ocean facing shelf, below wave base (BA5). non-tectonic mio-geocline."

Size class: macrofossils

Primary reference: R. A. Robinson. 1971. Additional Middle Cambrian trilobites from the Wheeler Shale of Utah. Journal of Paleontology 45:796-804 [M. Uhen/J. Ju/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 216: authorized by Jack Sepkoski, entered by Mike Sommers on 21.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "R.C. Bright. 1956. A paleoecologic and biometric study of the M.Camb. trilobite Elrathia kingii (Meek). J.Paleo 33:83-98. An early paleoecologic study but high quality. R.A. Robinson,1971. Additional M.Camb. trilobites from the Wheeler Shale of Utah. J.Paleo 45:796-804."
Show authors, comments, and common names
Demospongiae
 Protomonaxonida - Choiidae
Choia sp.
Choia sp. Walcott 1920 demosponge
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia sp.
Protospongia sp. Salter 1864 glass sponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp.
Chancelloria sp. Walcott 1920
Crustacea
 Canadaspidida - Canadaspididae
? Canadaspis sp.
? Canadaspis sp. Novozhilov in Orlov 1960
originally entered as "? Canadaspis sp."
Deuteropoda
 Hymenocarina - Pseudoarctolepidae
Pseudoarctolepis sp.
Trilobita
 Asaphida - Asaphidae
Asaphiscus sp.
Asaphiscus sp. Meek 1873 trilobite
 Ptychopariida - Menomoniidae
Bolaspidella sp.
Bolaspidella sp. Resser 1937 trilobite
2 species
 Ptychopariida - Alokistocaridae
Chancia sp., Alokistocare sp., Elrathia sp., Jenkinsonia sp.
Chancia sp. Walcott 1924 trilobite
Alokistocare sp. Lorenz 1906 trilobite
Elrathia sp. Walcott 1924 trilobite
Jenkinsonia sp. Robison 1971 trilobite
 Ptychopariida - Marjumiidae
Modocia sp.
Modocia sp. Walcott 1924 trilobite
 Ptychopariida - Kingstoniidae
Brachyaspidion sp.
Brachyaspidion sp. Miller 1936 trilobite
originally entered as "Brachyaspiden sp."
 Ptychopariida - Ptychopariidae
"Elrathina sp." = Ptychoparella
"Elrathina sp." = Ptychoparella Poulson 1927 trilobite
 Corynexochida - Dolichometopidae
Bathyuriscus sp.
Bathyuriscus sp. Meek 1873 trilobite
 Corynexochida - Dorypygidae
Olenoides sp.
Olenoides sp. Meek 1877 trilobite
 Corynexochida - Zacanthoididae
Zacanthoides sp.
Zacanthoides sp. Walcott 1888 trilobite
Artiopoda
 Agnostida - Peronopsidae
Peronopsis sp.
Peronopsis sp. Corda 1847
2 species
 Agnostida - Diplagnostidae
Baltagnostus sp.
Baltagnostus sp. Lochmann 1944
 Agnostida - Agnostidae
Agnostus sp.
Agnostus sp. Brongniart 1822
 Agnostida - Ptychagnostidae
Ptychagnostus sp.
Ptychagnostus sp. Jaekel 1909
Lingulata
 Acrotretida - Acrotretidae
Linnarssonia sp., Acrotreta sp.
Linnarssonia sp. Walcott 1885
Acrotreta sp. Kutorga 1848
 Lingulida - Obolidae
Obolus sp., Lingulella sp.
Obolus sp. Eichwald 1829
Lingulella sp. Salter 1866
 Lingulida - Acrothelidae
Acrothele sp.
Acrothele sp. Linnarsson 1876
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp.
Hyolithes sp. d'Eichwald 1840
Eocrinoidea
 Gogiida - Eocrinidae
Gogia sp.
Gogia sp. Walcott 1917