Dubuque Formation Cephalopods, Minnesota: Edenian, Minnesota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras clarkei
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Endoceras gracillimum
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Endoceras atkinsonense
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Endoceras clermontense
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Endoceras kayi
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Endoceras thomasi
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Cephalopoda
- Clinoceratidae
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Whitfieldoceras minimum
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Cephalopoda
- Ascocerida
- Probillingsitidae
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Probillingsites milleri
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Probillingsites sp.
Foerste 1928
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Probillingsites welleri
Foerste 1928
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Cephalopoda
- Oncocerida
- Valcouroceratidae
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? Manitoulinoceras wykoffense
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Cephalopoda
- Barrandeocerida
- Barrandeoceratidae
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Centrocyrtoceras rotundum
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Cephalopoda
- Orthocerida
- Kionoceratidae
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Kionoceras decorahense
Flower 1952
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Cephalopoda
- Actinocerida
- Armenoceratidae
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Armenoceras clermontense
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Armenoceras iowense
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Cephalopoda
- Actinocerida
- Ormoceratidae
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? Ormoceras maquoketense
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Minnesota |
| Coordinates: | 45.0° North, 93.0° West (view map) | ||
| Paleocoordinates: | 17.9° South, 62.6° 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
| Formation: | Dubuque |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | argillaceous wackestone |
| Includes fossils? | Y |
| Lithology description: Lithology from W. F. Rice and E. P. Hedblom. 1987. Brachiopods and trilobites of the Sardeson Beds in the Twin Cities. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 :131-135. 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 |
| Taxonomic list comments:Faunal list compiled from: 1. Whitfield's (1882) report in volume 4 of Chamberlin's Geology of Wisconsin 2. Clarke's (1897) report in volume III part 2 of Winchell's Final Reports of the Minnesota Geological and Natural History Survey 3. Bassler's Index 4. Individual articles (Foerste, Flower, etc.) 5. Treatise, Part K 6. Author's personal field data. | |
Metadata
| Database number: | 23738 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-19 10:06:10 | Last modified: | 2004-10-22 12:04:26 |
| Access level: | the public | Released: | 2002-07-19 10:06:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6752. | J. A. Catalani. 1987. Biostratigraphy of the Middle and Late Ordovician cephalopods of the Upper Mississippi Valley area. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 187-189 [S. Holland/T. Hanson/S. Bruning] |