Quimbys Mill Formation Gastropoda and Monoplacophora, Illinois and Iowa: Blackriveran, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Euomphalina
- Holopeidae
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Holopea ampla
Ulrich and Scofield 1897
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Holopea insignis
Ulrich and Scofield 1897
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Holopea concinnula
Ulrich and Scofield 1897
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Holopea rotunda
Ulrich and Scofield 1897
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Gastropoda
- Euomphalina
- Helicotomidae
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Helicotoma planulata
Salter 1859
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Ophiletina sublaxa
Ulrich and Scofield 1897
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Gastropoda
- Euomphalina
- Lesueurillidae
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Ecculiomphalus beloitensis
(Ulrich and Scofield 1897)
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recombined as Lesueurilla beloitensis | ||||||||||
Gastropoda
- Euomphalina
- Macluritidae
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Maclurites bigsbyi
(Hall 1861)
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recombined as Maclurina bigsbyi | ||||||||||
Maclurites depressus
(Ulrich and Scofield 1897)
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Maclurites nitidus
(Ulrich and Scofield 1897)
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[entered as Maclurites nitidis] | ||||||||||
Gastropoda
- Euomphalina
- Raphistomatidae
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Raphistoma sp.
Hall 1847
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Gastropoda
- Murchisoniina
- Hormotomidae
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Hormotoma gracilis
(Hall 1847)
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Hormotoma subangulata
Ulrich and Scofield 1897
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Gastropoda
- Murchisoniina
- Eotomariidae
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Eotomaria supracingulata
(Billings 1857)
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recombined as Paraliospira supracingulata | ||||||||||
Clathrospira conica
Ulrich and Scofield 1897
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Clathrospira subconica
(Hall 1847)
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Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira conradana
Ulrich and Scofield 1897
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synonym of Lophospira ventricosa | ||||||||||
Lophospira perangulata
(Hall 1847)
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Lophospira decursa
Ulrich and Scofield 1897
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Lophospira serratula
(Salter 1859)
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= Lophospira serrulata
Salter 1859
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Wagner 2023 | |||||||||
Lophospira helicteres
(Salter 1859)
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recombined as Eunema helicteres | ||||||||||
Lophospira bicincta
(Hall 1847)
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= Eunema centralis
Ulrich and Scofield 1897
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Wagner 2023 | |||||||||
Gastropoda
- Murchisoniina
- Subulitidae
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Fusispira spicula
Sardeson 1892
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Gastropoda
- Bellerophontida
- Bucaniidae
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Bucania emmonsi
Ulrich and Scofield 1897
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recombined as Loxobucania emmonsi | ||||||||||
Bucania minnesotensis
Ulrich and Scofield 1897
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recombined as Loxobucania minnesotensis | ||||||||||
Bucania halli
Ulrich and Scofield 1897
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Bucania sublata
Ulrich and Scofield 1897
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Phragmolites fimbriatus
(Ulrich and Scofield 1897)
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recombined as Phragmolites fimbriata | ||||||||||
Phragmolites triangularis
(Ulrich and Scofield 1897)
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Salpingostoma buelli
(Whitfield 1878)
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Gastropoda
- Bellerophontida
- Plectonotidae
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Tetranota macra
Ulrich and Scofield 1897
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Tetranota wisconsinensis
(Whitfield 1878)
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Tetranota obsoleta
Ulrich and Scofield 1897
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Tetranota sexcarinata
Ulrich and Scofield 1897
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Gastropoda
- Bellerophontida
- Temnodiscidae
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Tropidodiscus subacutus
(Ulrich and Scofield 1897)
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recombined as Alaskadiscus subacutus | ||||||||||
Gastropoda
- Bellerophontida
- Pterothecidae
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Pterotheca attenuata
(Hall 1861)
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Gastropoda
- Bellerophontida
- Sinuitidae
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Sinuites rectangularis
(Ulrich and Scofield 1897)
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Tergomya
- Archinacellida
- Archinacellidae
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Archinacella deleta
(Sardeson 1892)
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"Archinacella" deleta | ||||||||||
Tergomya
- Tryblidiida
- Tryblidiidae
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Triblydium excertum
(Sardeson 1892)
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original and current combination Tryblidium exserta | ||||||||||
"Triblydium" excertum | ||||||||||
Tergomya
- Scenellidae
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Scenella spp. n. sp.
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"Scenella" n. sp. spp. | ||||||||||
Scenella compressa
Ulrich and Scofield 1897
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"Scenella" compressa | ||||||||||
Bivalvia
- Modiomorphida
- Modiomorphidae
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Endodesma sp.
Ulrich 1894
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synonym of Cymatonota | ||||||||||
Whiteavesia sp.
Ulrich 1893
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Bivalvia
- Pholadomyida
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Sphenolium sp.
Miller 1889
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Bivalvia
- Myalinida
- Ambonychiidae
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Cleionychia sp.
Ulrich 1892
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Ambonychiopsis sp.
Isberg 1934
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Bivalvia
- Cyrtodontida
- Cyrtodontidae
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Cyrtodonta sp.
Billings 1858
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Vanuxemia sp.
Billings 1858
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Cyrtodontula sp.
Tomlin 1931
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Bivalvia
- Colpomyida
- Colpomyidae
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Eurymya plana
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Bivalvia
- Nuculida
- Cardiolariidae
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Deceptrix sp.
Fuchs 1919
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta sp.
Salter 1852
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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 |
10 m.y. bin: | Ordovician 4-5 | ||
*Period: | Middle Ordovician - Late/Upper Ordovician | *Local age/stage: | Blackriveran |
Key time interval: | Blackriveran | ||
Age range of interval: | 457.00000 - 449.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Quimbys Mill |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | "limestone" |
Includes fossils? | Y |
Lithology description: "12 to 14 feet thick . . . medium to thin beds of limestone and dolomite separated by thin shale laminae." 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. | |
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: | 23620 | ||
Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
Modifier: | S. Holland | Research group: | marine invertebrate |
Created: | 2002-07-17 16:23:44 | Last modified: | 2004-10-22 11:29:31 |
Access level: | the public | Released: | 2002-07-17 16:23:44 |
Creative Commons license: | CC BY |
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] |