Also known as D x34
Where: Deadwood County, South Dakota (44.4° N, 103.7° 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
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 7403: authorized by Mark Patzkowsky, entered by Kyle Straub on 29.05.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Arcuolimbus convexus Palmer 1954 trilobite | |
Kingstonia walcotti trilobite | |
Tricrepicephalus coria trilobite | |
Dresbachia amata trilobite | |
Crepicephalus buttsimontanaensis trilobite
Coosina ariston Walcott 1916 trilobite
Coosia alethes Walcott 1916 trilobite | |
Coosella sp. Lochman 1936 trilobite
Coosella perplexa Palmer 1954 trilobite |