Also known as DC 71
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: Crepicephalus trilobite zone, lower Member (Deadwood Formation), Dresbachian (497.0 - 485.4 Ma)
• AGE: Dresbachian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Crepicephalus zone).
Environment/lithology: transition zone or lower shoreface; limestone and sandstone
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 7375: authorized by Mark Patzkowsky, entered by Kyle Straub on 23.05.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Kingstonia bealesoides trilobite
Kingstonia scrinium trilobite
Ankoura triangularis trilobite
Blountia sp. Walcott 1916 trilobite
Blountia eleanora trilobite | |
Tricrepicephalus coria trilobite
Tricrepicephalus tripunctatus trilobite | |
Terranovella dorsalis Hall 1863 trilobite | |
Crepicephalus snowyenis trilobite
Coosina ariston Walcott 1916 trilobite
Coosia alethes Walcott 1916 trilobite | |
Coosella sp. Lochman 1936 trilobite | |
Blountiella cordilleria trilobite | |
Artiopoda | |
Hadragnostus modestus Lochman 1944 | |
Pseudagnostina douvillei Bergeron 1899 |