Little Elk Creek 91-93 (Cambrian of the United States)

Also known as LEC 91-93

Where: Little Elk Creek County, South Dakota (44.3° N, 103.6° W: paleocoordinates 11.9° S, 82.3° W)

• small collection-level geographic resolution

When: Aphelaspis zone, lower Member (Deadwood Formation), Steptoean (497.0 - 493.5 Ma)

Environment/lithology: foreshore; siltstone and carbonate

Preservation: cast

Collection methods: bulk,

Primary reference: J. H. Stitt and P. J. Perfetta. 2000. Trilobites, Biostratigraphy, and Lithostratigraphy of the Crepicephalus and Aphelaspis zones, Lower Deadwood formation (Marjuman and Steptoean Stages, Upper Cambrian), Black Hills, South Dakota. Journal of Paleontology 74(2):199-223 [M. Patzkowsky/K. Straub/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7293: authorized by Mark Patzkowsky, entered by Kyle Straub on 22.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Cheilocephalidae
Cheilocephalus brevilobus Walcott 1916 trilobite
 Ptychopariida - Kingstoniidae
Blountia bristolensis Resser 1938 trilobite
 Ptychopariida - Lonchocephalidae
Glaphyraspis parva Walcott 1899 trilobite
 Olenida - Aphelaspidae