Sneakover Limestone FS138 (Cambrian of the United States)

Where: Utah (39.7° N, 113.4° W: paleocoordinates 5.5° S, 87.0° W)

• coordinate stated in text

When: Candland Shale Member (Orr Formation), Furongian (497.0 - 485.4 Ma)

• Big Horse Limestone

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

• Medium to dark gray limestone with a few thin stromatolitic algal beds and a few bioclastic calcarenite beds

Size class: macrofossils

Preservation: cast

Collection methods: Fossils were collected from the Candland Shale member of the Orr formation, FS 138, 138ft 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 156451: authorized by Melanie Hopkins, entered by Shaun Mahmood on 21.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Agnostida - Agnostidae
Homagnostus sp. Howell 1935
 Ptychopariida - Phylacteridae
Aphelotoxon sp. Palmer 1965 trilobite
 Ptychopariida - Elviniidae
Dunderbergia ? bigranulosa Palmer 1960 trilobite
 Olenida - Pterocephaliidae
Cernuolimbus granulosus Palmer 1965 trilobite