Also known as T 1
Where: Terrry County, South Dakota (44.3° N, 103.8° W: paleocoordinates 11.8° S, 82.3° 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 8082: authorized by Mark Patzkowsky, entered by Kyle Straub on 15.06.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Kingstonia walcotti trilobite | |
Crepicephalus buttsimontanaensis trilobite
Coosia alethes Walcott 1916 trilobite | |
Terranovella dorsalis Hall 1863 trilobite | |
Artiopoda | |
Nahannagnostus nganasanicus Rozova 1964
Pseudagnostina douvillei Bergeron 1899 |