Also known as C 1
Where: Central City County, South Dakota (44.3° N, 103.8° W: paleocoordinates 11.8° S, 82.2° 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: foreshore; 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 7402: authorized by Mark Patzkowsky, entered by Kyle Straub on 29.05.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Hadragnostus modestus Lochman 1944 | |
Pseudagnostina douvillei Bergeron 1899 | |
Trilobita | |
Crepicephalus buttsimontanaensis trilobite
Crepicephalus deadwoodensis trilobite
Coosia alethes Walcott 1916 trilobite | |
Coosella onusta trilobite | |
Tricrepicephalus coria trilobite | |
Kingstonia walcotti trilobite
Blountia arion trilobite
Blountia eleanora trilobite
Blountia sp. Walcott 1916 trilobite | |
Terranovella dorsalis Hall 1863 trilobite
Amiaspis erratica trilobite |