Galena 130 [Deadwood Fm]: Dresbachian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida - Diplagnostidae
Pseudagnostina douvillei (Bergeron 1899)
40 individuals
Nahannagnostus nganasanicus (Rozova 1964)
1 individual
Agnostida - Agnostidae
Hadragnostus modestus (Lochman 1944)
1 individual
Kormagnostus seclusus (Walcott 1884)
1 individual
Trilobita - Llanoaspididae
Arcuolimbus convexus Palmer 1954
6 individuals
Trilobita - Ptychopariida - Lonchocephalidae
Terranovella dorsalis (Hall 1863)
3 individuals
Amiaspis erratica
4 individuals
Trilobita - Ptychopariida - Catillicephalidae
Pemphigaspis bullata
1 individual
Trilobita - Ptychopariida - Tricrepicephalidae
Tricrepicephalus coria
8 individuals
Trilobita - Ptychopariida - Kingstoniidae
Kingstonia walcotti
3 individuals
Blountia arion
3 individuals
Blountia eleanora
1 individual
Trilobita - Ptychopariida - Crepicephalidae
Crepicephalus auratus
3 individuals
Crepicephalus buttsimontanaensis
13 individuals
Uncaspis unca
13 individuals
Coosia alethes (Walcott 1916)
80 individuals
Trilobita - Ptychopariida - Marjumiidae
Coosella prolifica Lochman 1936
1 individual
Coosella perplexa (Palmer 1954)
4 individuals
Trilobita - Ptychopariida - Menomoniidae
Dresbachia amata
2 individuals
see common names

Geography
Country:United States State/province:South Dakota County:Galena
Coordinates: 44.3° North, 103.6° West (view map)
Paleocoordinates:11.9° South, 82.2° 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:Marjuman
Key time interval: Dresbachian Trilobite zone:  Crepicephalus
Age range of interval: 497 - 485.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Deadwood Member:lower
Stratigraphy comments: AGE: Dresbachian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Crepicephalus zone).
Lithology and environment
Primary lithology: "limestone"
Secondary lithology: sandstone
Environment:foreshore
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:all macrofossils
Collection methods:bulk,field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:G 130
Database number:8021
Authorizer:M. Patzkowsky Enterer:K. Straub
Modifier:A. Hendy Research group:marine invertebrate
Created:2000-06-13 16:27:09 Last modified:2009-06-12 01:55:12
Access level:the public Released:2000-06-13 16:27:09
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]