Box Elder Creek 89: Steptoean, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Olenida - Aphelaspidae
Aphelaspis haguei
13 individuals
Trilobita - Ptychopariida - Kingstoniidae
Blountia bristolensis
4 individuals
Trilobita - Ptychopariida - Lonchocephalidae
Glaphyraspis parva (Walcott 1899)
2 individuals
see common names

Geography
Country:United States State/province:South Dakota County:Box Elder Creek
Coordinates: 44.2° North, 103.6° West (view map)
Paleocoordinates:11.9° South, 82.3° West
Geographic resolution:small collection
Time
Period:Cambrian Epoch:Furongian
10 m.y. bin:Cambrian 5
*Period:Late/Upper Cambrian *Epoch:Merioneth
*Local age/stage:Steptoean
Key time interval:Steptoean Zone: Aphelaspis
Age range of interval:497.00000 - 493.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Deadwood Member:lower
Lithology and environment
Primary lithology: "limestone"
Secondary lithology: sandstone
Environment:foreshore
Taphonomy
Modes of preservation:body,cast
Collection methods and comments
Collection excludes:all macrofossils
Collection methods:bulk,field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:BEC 89
Database number:7397
Authorizer:M. Patzkowsky Enterer:K. Straub
Research group:marine invertebrate
Created:2000-05-29 17:30:32 Last modified:2001-08-30 17:52:51
Access level:the public Released:2000-11-20 13:53:34
Creative Commons license:CC BY
Reference information

Primary reference:
450. 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]