Little Elk Creek 73 [Deadwood Fm] (Cambrian of the United States)

Also known as LEC 73

Where: Little Elek Creek County, South Dakota (44.3° N, 103.6° W: paleocoordinates 11.9° 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: deep subtidal ramp; 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 7284: authorized by Mark Patzkowsky, entered by Kyle Straub on 22.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
  - Llanoaspididae
Arcuolimbus convexus Palmer 1954 trilobite
 Ptychopariida - Crepicephalidae
Coosina ariston Walcott 1916 trilobite
Coosia alethes Walcott 1916 trilobite
 Ptychopariida - Kingstoniidae
Artiopoda
 Agnostida - Diplagnostidae