Guttenberg Formation Echinoderms, Upper Mississippi Valley: Rocklandian - Kirkfieldian, Illinois, Iowa

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Paleocrinus angulatus
Pyrgocystites sardesoni
Edrioasteroidea - Hemicystitidae
Hemicystites curtus
Hemicystites paulianus
Edrioasteroidea - Isorophida - Agelacrinitidae
Agelacrinites sp. Vanuxem 1842
Cyclocystoidea - Cyclocystoididae
Cyclocystoides sp. Salter and Billings 1858
Stylophora - Mitrata
Ateleocystites guttenbergensis
Willmanocystis denticulatus
Rhombifera - Pleurocystitidae
Amecystis woodi Broadhead and Strimple 1975
Pleurocystites squamosus Billings 1874
Crinoidea - Cupulocrinidae
Cupulocrinus jewetti
Cupulocrinus levorsoni
Crinoidea - Porocrinida
Carabocrinus dicyclicus
Carabocrinus magnificus
Porocrinus pentagonius
Crinoidea - Dendrocrinida - Dendrocrinidae
Dendrocrinus sp. Hall 1852
Grenprisia billingsi
Crinoidea - Calceocrinida - Calceocrinidae
Cremacrinus punctatus
Cremacrinus guttenbergensis Kolata 1975
Crinoidea - Homocrinida - Cincinnaticrinidae
Isotomocrinus tenuis Billings 1857
original and current combination Cincinnaticrinus varibrachialus
Crinoidea - Monobathrida - Glyptocrinidae
Periglyptocrinus spinuliferus
Pycnocrinus gerki
Pycnocrinus multibrachialis
Crinoidea - Diplobathrida - Rhodocrinitidae
Archaeocrinus sp. Wachsmuth and Springer 1881
Crinoidea - Reteocrinidae
Reteocrinus rocktonensis
Asteroidea - Hadrosida - Urasterellidae
Promopalaeaster wilsoni (Raymond 1912)
synonym of Pegoasterella pompom
see common names

Geography
Country:United States State/province:Illinois, Iowa
Coordinates: 42.0° North, 90.5° West (view map)
Paleocoordinates:21.3° South, 63.6° 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:Rocklandian - Kirkfieldian
Key time interval:Rocklandian - Kirkfieldian
Age range of interval:457.00000 - 449.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Galena Formation:Guttenberg
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:gray "limestone"
Secondary lithology: carbonaceous "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: "Gray lithographic limestone interbedded with carbonaceous shale." Lithology from O. L. Karklins. 1987. Bryozoa from Rocklandian (Middle Ordovician) rocks of the Upper Mississippi Valley region. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 :173-176. R. E. Sloan, ed.
Environment:carbonate indet.
Geology comments: Environmental call by T. Hanson.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:23457
Authorizer:S. Holland Enterer:T. Hanson
Modifier:T. Hanson Research group:marine invertebrate
Created:2002-07-15 10:21:32 Last modified:2003-07-18 18:05:03
Access level:the public Released:2002-07-15 10:21:32
Creative Commons license:CC BY
Reference information

Primary reference:
6707. D. R. Kolata, J. C. Brower, and T. J. Frest. 1987. Upper Mississippi Valley Champlainian and Cincinnatian echinoderms. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 179-181 [S. Holland/T. Hanson/T. Hanson]