Mount Washington summit, Eau Claire: Dresbachian, Wisconsin

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
Chippewaella patellitheca n. gen., n. sp. Gunderson 1993
Trilobita
Trilobita indet. Walch 1771
see common names

Geography
Country:United States State/province:Wisconsin County:Eau Claire
Coordinates: 44.8° North, 91.5° West (view map)
Paleocoordinates:20.1° South, 79.5° West
Geographic resolution:local area
Time
Period:Cambrian Epoch:Furongian
10 m.y. bin:Cambrian 5
*Period:Late/Upper Cambrian *Epoch:Early/Lower Merioneth
*International age/stage:Maentwrogian
Key time interval:Dresbachian Trilobite zone: Crepicephalus
Age range of interval:497.00000 - 485.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: AGE: Dresbachian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Crepicephalus zone).
Lithology and environment
Primary lithology: lithified sandstone
Lithology description: sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:cast
Collection methods and comments
Collection methods:bulk,field collection
Collection size:2 specimens
Reason for describing collection:taxonomic analysis
Collection method comments: Collected during the summer of 1978 and stored at the Geology Musuem, Unviversity of Wisconsin - Madison, Department of Geology and Geophysics.
Metadata
Database number:8233
Authorizer:M. Patzkowsky Enterer:P. Borkow
Modifier:A. Hendy Research group:marine invertebrate
Created:2000-06-30 12:38:12 Last modified:2009-06-12 11:51:45
Access level:the public Released:2000-06-30 12:38:12
Creative Commons license:CC BY
Reference information

Primary reference:
566. G. O. Gunderson. 1993. New genus of Late Cambrian gastropod. Journal of Paleontology 67(6):1083-1084 [M. Patzkowsky/P. Borkow/J. Alroy]