Wise Lake Formation, Rifle Hill Formation Echinoderms, Upper Mississippi Valle: Edenian, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Sivertsia sp.
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Rhombifera
- Pleurocystitidae
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Amecystis sp.
Ulrich and Kirk 1921
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Rhombifera
- Glyptocystidae
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Tanaocystis sp.
Sprinkle 1982
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Crinoidea
- Cupulocrinidae
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Quienquecaudex springeri
(Kolata 1975)
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Cupulocrinus aff. conjugans
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Cupulocrinus sp.
d'Orbigny 1849
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Crinoidea
- Porocrinida
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Carabocrinus sp.
Billings 1857
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Carabocrinus radiatus
Billings 1857
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Porocrinus pentagonius
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Porocrinus sp.
Billings 1857
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Crinoidea
- Merocrinidae
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Merocrinus sp.
Walcott 1884
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Crinoidea
- Homocrinida
- Homocrinidae
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Ectenocrinus simplex
(Hall 1847)
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| original and current combination Heterocrinus simplex | |||||||
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Crinoidea
- Calceocrinida
- Calceocrinidae
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Cremacrinus aff. punctatus
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Crinoidea
- Diplobathrida
- Rhodocrinitidae
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Rhaphanocrinus sp.
Wachsmuth and Springer 1885
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Glyptosphaeritida
- Eumorphocystidae
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Eumorphocystis sp.
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Edrioasteroidea
- Edrioblastoida
- Steganoblastidae
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Astrocystites sp.
Whiteaves 1897
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Cyclocystoidea
- Cyclocystoididae
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Cyclocystoides spp.
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Actinodiscus sp.
Smith and Paul 1982
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| 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 |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Middle Ordovician - Late/Upper Ordovician | *Local age/stage: | Edenian |
| Key time interval: | Edenian | ||
| Age range of interval: | 451.10000 - 450.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Galena | Formation: | Wise Lake | Member: | Rifle Hill |
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Rifle Hill Member = "Stewartville" Member | |||||
Lithology and environment
| Primary lithology: | dolomite |
| Includes fossils? | Y |
| Lithology description: Dolomite or dolomitic mottled limestone. Lithology from C. O. Leverson, A. J. Gerk, R. E. Sloan, & L. A. Bisagno. General section of the Middle and Late Ordovician strata of Northeastern Iowa, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, p.25-39. Edited by R. E. Sloan. | |
| 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: | 23492 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-15 14:27:22 | Last modified: | 2004-10-22 11:50:23 |
| Access level: | the public | Released: | 2002-07-15 14:27:22 |
| 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] |