Locality ICS-1044 (Cambrian of the United States)

Where: Lincoln County, Nevada (37.8° N, 114.6° W: paleocoordinates 3.5° S, 95.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bolbolenellus euryparia trilobite zone, C-Shale Member (Pioche Shale Formation), Dyeran (515.3 - 511.2 Ma)

• Was Lenian. Was Olenellus zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

• shale interval

Size class: mesofossils

Preservation: cast, replaced with silica

Collection methods: chemical,

• Includes all trilobites and supplementary information on brachiopods used to prove lack of significant erosional relief.

Primary reference: A. R. Palmer. 1998. Terminal Early Cambrian extinction of the Olenellina: documentation from the Pioche Formation, Nevada. Journal of Paleontology 72(4):650-672 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9820: authorized by Mark Patzkowsky, entered by Phil Borkow on 23.01.2001, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920
Lingulata
 Lingulida - Acrothelidae
Eothele sp. Rowell 1980
 Selkirkiimorpha - Selkirkiidae
Selkirkia sp. Walcott 1911
 Tuzoida - Tuzoiidae
Tuzoia sp. Walcott 1912
 Radiodonta - Anomalocarididae
Trilobita
 Corynexochida - Oryctocephalidae
Oryctocephalinae indet. Beecher 1897 trilobite
"Oryctocephalinae sp. indet."
Oryctocephalites palmeri Sundberg and McCollum 1997 trilobite
 Redlichiida - Biceratopsidae
Bolbolenellus brevispinus n. sp. Palmer 1998 trilobite
7 articulated exoskeletons, 2 incomplete articulated exoskeletons, and over 50 cephala
Nephrolenellus geniculatus n. sp. Palmer 1998 trilobite
46 articulated exoskeletons and over 50 cephala
 Redlichiida - Olenellidae
Olenellus gilberti White 1874 trilobite
50 articulated exoskeletons and 50 disarticulated exoskeletons
Olenellus howelli White 1874 trilobite
1 complete individual