Platteville Fm, Wisconsin: Caradoc, Wisconsin

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Primitella constricta
Anthozoa - Stauriida - Lambelasmatidae
Lambeophyllum profundum (Conrad 1843)
Gastropoda - Murchisoniina - Hormotomidae
Hormotoma gracilis (Hall 1847)
Gastropoda - Murchisoniina - Eotomariidae
Clathrospira spp.
Gastropoda - Murchisoniina - Lophospiridae
Ruedemannia lirata (Ulrich and Scofield 1897)
Lophospira serrulata (Salter 1859)
Gastropoda - Murchisoniina - Trochonematidae
Trochonema spp.
Gastropoda - Euomphalina - Holopeidae
Holopea spp.
Gastropoda - Euomphalina - Helicotomidae
Ophiletina sublaxa Ulrich and Scofield 1897
Gastropoda - Bellerophontida - Bucaniidae
Phragmolites triangularis (Ulrich and Scofield 1897)
Gastropoda - Bellerophontida - Bucanellidae
Bucanella sp. Meek 1871
Gastropoda - Bellerophontida - Sinuitidae
Sinuites "cancellatus" (Hall 1847)
Bivalvia - Nuculida - Praenuculidae
Praenucula ? spp.
Similodonta sp. Soot-Ryen 1964
Bivalvia - Cyrtodontida - Cyrtodontidae
Vanuxemia spp.
Strophomenata - Strophomenida - Furcitellidae
Oepikina minnesotensis (Winchell 1881)
Strophomenata - Strophomenida - Strophomenidae
Strophomena plattinensis Fenton 1928
Rhynchonellata - Atrypida - Protozygidae
Protozyga "nicolleti" (Winchell and Schuchert 1892)
recombined as Manespira nicolleti
Rhynchonellata - Orthida - Draboviidae
Pionodema conradi
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis concava
Rhynchonellata - Orthida - Plaesiomyidae
Campylorthis deflecta (Conrad 1843)
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rostricellula minnesotensis (Sardeson 1892)
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides anthonensis (Sardeson 1894)
recombined as Skenidioides anthonense
Stenolaemata - Trepostomida - Amplexoporidae
Amplexopora minnesotensis
Stenolaemata - Cryptostomata - Escharoporidae
Escharopora sp. Hall 1847
Stenolaemata - Cryptostomata - Rhinidictyidae
Stictopora trentonensis
Stenolaemata - Trepostomata - Halloporidae
Diplotrypa spp.
Stenolaemata - Trepostomata - Aisenvergiidae
Eridotrypa sp. Ulrich 1893
Ostracoda - Hollinocopida - Eurychilinidae
Eurychilina subradiata
Ostracoda - Leperditellocopida - Schmidtellidae
Schmidtella "crassimarginata" Ulrich 1890
Ostracoda - Palaeocopida - Leperditellidae
Leperditella germana
Ostracoda - Podocopida - Bairdiidae
Krausella spp.
Ostracoda - Leperditicopida - Leperditiidae
Eoleperditia fabulites
Trilobita - Phacopida - Cheiruridae
Ceraurus plattinensis
Trilobita - Asaphida - Asaphidae
Isotelus simplex (Raymond and Narraway 1910)
see common names

Geography
Country:United States State/province:Wisconsin
Coordinates: 43.3° North, 91.8° West (view map)
Paleocoordinates:19.7° South, 63.3° West
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
Key time interval:Caradoc
Age range of interval:458.40000 - 449.60000 m.y. ago
Stratigraphy
Formation:Platteville
Lithology and environment
Primary lithology: "limestone"
Secondary lithology: dolomite
Lithology description: crinkly or wavy limestone and dolomite beds and thin shale partings. The average Mifflin carbonate rock is a skeletal wackestone.
Environment:lagoonal/restricted shallow subtidal
Taphonomy
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:55651
Authorizer:M. Patzkowsky Enterer:A. Krug
Research group:marine invertebrate
Created:2005-11-02 06:20:43 Last modified:2005-11-02 08:20:44
Access level:the public Released:2005-11-02 06:20:43
Creative Commons license:CC BY
Reference information

Primary reference:
15027. P.W. Bretsky, S.S. Bretsky, and P.J. Schaefer. 1977. Molluscan and brachiopod dominated biofacies in the Platteville Formation (Middle Ordovician), upper Mississippi Valley. Bulletin of the Geological Society of Denmark 26:115-132 [M. Patzkowsky/A. Krug]