Little Elk Creek 51 [Deadwood Fm] (Cambrian of the United States)

Also known as LEC 51

Where: Little Elk 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 (501.0 - 485.4 Ma)

• AGE: Dresbachian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Crepicephalus zone).

Environment/lithology: shoreface; 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 7199: authorized by Mark Patzkowsky, entered by Kyle Straub on 10.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
  - Llanoaspididae
Arcuolimbus convexus Palmer 1954 trilobite
 Ptychopariida - Menomoniidae
 Ptychopariida - Tricrepicephalidae
Meteoraspis metra Walcott 1890 trilobite
 Ptychopariida - Kingstoniidae
Komaspidella lata Rasetti 1961 trilobite
Blountia janei trilobite
 Ptychopariida - Catillicephalidae
 Ptychopariida - Marjumiidae
Coosella onusta trilobite
 Ptychopariida - Crepicephalidae
Coosia alethes Walcott 1916 trilobite
Uncaspis limbata trilobite
Coosina ariston Walcott 1916 trilobite
 Olenida - Asaphiscidae
Artiopoda
 Agnostida -
 Agnostida - Diplagnostidae
 Agnostida - Agnostidae
Kormagnostus seclusus Walcott 1884