Steamboat pass shale LC 135 (Cambrian of the United States)

Where: Utah (38.7° N, 113.4° W)

• Paleocoordinates: 30.8° N, 119.6° W (Wright 2013)

• coordinate stated in text

When: Steamboat Pass Shale Member (Orr Formation), Furongian (497.0 - 486.9 Ma)

• Little horse canyon

Environment/lithology: marine; lithified, gray, silty limestone

• Calcisilitite with some interbedded calcarenite, dar-gray, silty, thin-bedded, 10% exposure

Size class: macrofossils

Preservation: cast

Collection methods: Fossils were collected from the Steamboat Pass Shale member of the Orr formation, LC 135, 135ft from base of the formation

Primary reference: L. F. Hintze and A. R. Palmer. 1976. Upper Cambrian Orr Formation: Its Subdivisions and Correlatives in Western Utah. Geological Survey Bulletin 1405-G [M. Hopkins/S. Mahmood]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 156433: authorized by Melanie Hopkins, entered by Shaun Mahmood on 21.05.2014

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Ptychopariida - Elviniidae
Elburgia intermedia
Elburgia intermedia Palmer 1965 trilobite
 Ptychopariida - Phylacteridae
Aphelotoxon acuminata
Aphelotoxon acuminata Palmer 1960 trilobite
 Olenida - Pterocephaliidae
Prehousia diverta
Prehousia diverta Palmer 1965 trilobite