Also known as DC 74

Where: Rapid City County, South Dakota (44.1° N, 103.2° W: paleocoordinates 12.2° S, 82.5° W)

• small collection-level geographic resolution

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

Environment/lithology: transition zone or lower shoreface; limestone

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 7376: authorized by Mark Patzkowsky, entered by Kyle Straub on 23.05.2000

Creative Commons license: CC BY (attribution)