Stewartville Dolomite Cephalopods, Iowa and Minnesota: Late/Upper Ordovician, Iowa, Minnesota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Actinocerida - Gonioceratidae
Lambeoceras sp. Foerste 1917
Cephalopoda - Orthocerida - Proteoceratidae
Ephippiorthoceras sp. Foerste 1924
Cephalopoda - Endocerida - Endoceratidae
Endoceras sp. Hall 1847
Cephalopoda - Ascocerida - Probillingsitidae
Probillingsites sp. Foerste 1928
Cephalopoda - Discosorida - Westonoceratidae
Westonoceras sp. Foerste 1924
Cephalopoda - Apsidoceratidae
Charactoceras sp. Foerste 1924
see common names

Geography
Country:United States State/province:Iowa, Minnesota
Coordinates: 43.5° North, 94.0° West (view map)
Paleocoordinates:18.2° South, 62.6° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Period:Late/Upper Ordovician
Key time interval:Late/Upper Ordovician
Age range of interval:458.40000 - 443.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Stewartville
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: dolomite
Includes fossils?Y
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:species names
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:24169
Authorizer:S. Holland Enterer:T. Hanson
Modifier:T. Hanson Research group:marine invertebrate
Created:2002-08-01 12:48:30 Last modified:2003-01-06 19:52:44
Access level:the public Released:2002-08-01 12:48:30
Creative Commons license:CC BY
Reference information

Primary reference:
6817. A. K. Miller, W. Youngquist, and C. Collinson. 1954. Ordovician cephalopod fauna of Baffin Island. Geological Society of America Memoir 62:1-234 [S. Holland/T. Hanson/T. Hanson]