Prosser Limestone Pelecypods, Upper Mississippi Valley: Shermanian, Minnesota, Illinois, Iowa

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Grammysiidae
Cuneamya sp. Hall and Whitfield 1875
Bivalvia - Megalodontida - Plethocardiidae
Plethocardia sp.
Bivalvia - Modiomorphida - Modiomorphidae
Modiolopsis sp. Hall 1847
Saffordia sp. Ulrich 1894
Prolobella sp. Ulrich 1894
Endodesma sp. Ulrich 1894
synonym of Cymatonota
Orthodesma sp. Hall and Whitfield 1875
Modiolodon sp. Ulrich 1894
Bivalvia - Modiomorphida - Allodesmatidae
Allodesma sp. Ulrich 1894
Bivalvia - Pholadomyida - Pholadomyidae
Rhytimya sp. Ulrich 1893
Bivalvia - Pholadomyida
Sphenolium sp. Miller 1889
Bivalvia - Lyrodesmatidae
Lyrodesma sp. Conrad 1841
Bivalvia - Myalinida - Ambonychiidae
Cleionychia sp. Ulrich 1892
Ambonychiopsis sp. Isberg 1934
Bivalvia - Cyrtodontida - Cyrtodontidae
Cyrtodonta sp. Billings 1858
Vanuxemia sp. Billings 1858
Cyrtodontula sp. Tomlin 1931
Matheria sp. Billings 1858
Bivalvia - Nuculanida - Cucullellidae
Nuculites sp. Conrad 1841
Bivalvia - Nuculida - Praenuculidae
Similodonta sp. Soot-Ryen 1964
Bivalvia - Nuculida - Cardiolariidae
Deceptrix sp. Fuchs 1919
Bivalvia - Solemyida - Ctenodontidae
Ctenodonta sp. Salter 1852
see common names

Geography
Country:United States State/province:Minnesota, Illinois, Iowa
Coordinates: 42.5° North, 91.0° West (view map)
Paleocoordinates:20.7° South, 63.5° West
Basis of coordinate:estimated from map
Geographic resolution:basin
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Period:Middle Ordovician - Late/Upper Ordovician *Local age/stage:Shermanian
Key time interval:Shermanian
Age range of interval:457.00000 - 449.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Prosser Limestone
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: "limestone"
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:survey of museum collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: "Where possible, stratigraphic information is taken from museum labels; where this is not possible, it is taken from Bassler (1915)."
Metadata
Database number:23552
Authorizer:S. Holland Enterer:T. Hanson
Modifier:S. Holland Research group:marine invertebrate
Created:2002-07-16 14:57:13 Last modified:2004-10-22 11:58:29
Access level:the public Released:2002-07-16 14:57:13
Creative Commons license:CC BY
Reference information

Primary reference:

6733. J., J.r. Pojeta. 1987. Ordovician pelecypods from the Upper Mississippi Valley. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 182-182 [S. Holland/T. Hanson/P. Wagner]