Maquoketa Formation, Clermont Member Gastropoda and Monoplacophora, Minnesota: Maysvillian, Minnesota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Tergomya
- Archinacellida
- Archinacellidae
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| "Archinacella" deleta | ||||||||||
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Gastropoda
- Bellerophontida
- Sinuitidae
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unclassified
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Gastropoda
- Bellerophontida
- Bucaniidae
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Gastropoda
- Murchisoniina
- Hormotomidae
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Gastropoda
- Murchisoniina
- Lophospiridae
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| [entered as Lophospira quadricucata] | ||||||||||
| Wagner 2023 | ||||||||||
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Gastropoda
- Murchisoniina
- Straparollinidae
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Gastropoda
- Murchisoniina
- Eotomariidae
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Gastropoda
- Murchisoniina
- Subulitidae
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Bivalvia
- Cyrtodontida
- Cyrtodontidae
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Matheria sp.
Billings 1858
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Bivalvia
- Myalinida
- Ambonychiidae
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Orthodesma sp.
Hall and Whitfield 1875
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Prolobella sp.
Ulrich 1894
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Bivalvia
- Nuculanida
- Malletiidae
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Bivalvia
- Nuculanida
- Cucullellidae
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Bivalvia
- Nuculida
- Praenuculidae
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Similodonta sp.
Soot-Ryen 1964
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Minnesota |
| Coordinates: | 46.0° North, 94.0° West (view map) | ||
| Paleocoordinates: | 11.9° South, 116.1° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | basin |
Time
| Period: | Ordovician | Epoch: | Late Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Late/Upper Ordovician | *Local age/stage: | Maysvillian |
| Key time interval: | Maysvillian | ||
| Age range of interval: | 450.2 - 449.6 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | "limestone" |
| Includes fossils? | Y |
| Lithology description: Shaly limestone. Lithology from F. M. Swain. 1987. Middle and Upper Ordovician Ostracoda of Minnesota and Iowa. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 :99-101. 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,survey of museum collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: "[B]ased on a review of the Sardeson Collection at the University of Minnesota, Weiss (1953), Ulrich and Scofield (1895), the unpublished work of Levorson and Gerk, and the list in Stauffer and Thiel (1941)." | |
Metadata
| Database number: | 23607 | ||
| Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
| Modifier: | T. Hanson | Research group: | marine invertebrate |
| Created: | 2002-07-17 12:36:26 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2002-07-17 12:36:26 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 6737. | R. E. Sloan and G. F. Webers. 1987. Stratigraphic ranges of Middle and Late Ordovician Gastropoda and Monoplacophora of Minnesota. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 183-186 [S. Holland/T. Hanson/S. Bruning] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |