Cummingsville Formation Cephalopods, Minnesota: Shermanian, Minnesota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Onoceras douglassi
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Cephalopoda
- Orthocerida
- Proteoceratidae
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Orthoceras junceum
Hall 1847
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| recombined as Isorthoceras junceum | ||||||||||
| "Orthoceras" junceum | ||||||||||
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Cephalopoda
- Orthocerida
- Kionoceratidae
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Kionoceras decorahense
Flower 1952
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Polygrammoceras prestonense
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Cephalopoda
- Orthocerida
- Dawsonoceratidae
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? Metaspyroceras wisconsinense
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Michelinoceras multicameratum
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Michelinoceras sp.
Foerste 1932
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Orthoceras beltrami
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| "Orthoceras" beltrami | ||||||||||
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Cephalopoda
- Orthocerida
- Tripteroceratidae
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Tripteroceras planoconvexum
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Cephalopoda
- Endocerida
- Endoceratidae
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Cameroceras hennepini
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Cephalopoda
- Barrandeocerida
- Barrandeoceratidae
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Centrocyrtoceras rotundum
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Cephalopoda
- Ascocerida
- Probillingsitidae
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Probillingsites milleri
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Probillingsites welleri
Foerste 1928
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Cephalopoda
- Oncocerida
- Diestoceratidae
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Diestoceras clarkei
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Cephalopoda
- Oncocerida
- Valcouroceratidae
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? Manitoulinoceras wykoffense
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Cephalopoda
- Discosorida
- Westonoceratidae
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Teichertoceras cf. husseyi
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Westonoceras minnesotense
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Cephalopoda
- Cyrtocerinida
- Cyrtocerinidae
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Cyrtocerina schoolcrafti
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Cephalopoda
- Clinoceratidae
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Whitfieldoceras minimum
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Whitfieldoceras cf. exiguum
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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 |
| 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: | Cummingsville |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | "limestone" |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Alternating layers of limestone and 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. 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: | 23711 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-19 08:19:36 | Last modified: | 2004-10-22 12:03:29 |
| Access level: | the public | Released: | 2002-07-19 08:19:36 |
| 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] |