Dubuque Formation Gastropoda and Monoplacophora, Illinois and Iowa: Edenian, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira quadrisulcata
Ulrich and Scofield 1897
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| [entered as Lophospira quadricucata] | ||||||||||
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= Eunema quadrisulcata
Ulrich and Scofield 1897
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Wagner 2023 | |||||||||
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Hormotoma major
(Hall 1852)
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| recombined as Lophospira major | ||||||||||
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Gastropoda
- Murchisoniina
- Loxonematidae
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Hormotoma trentonensis
Ulrich and Scofield 1897
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| recombined as Omospira trentonensis | ||||||||||
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Gastropoda
- Murchisoniina
- Eotomariidae
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Liospira micula
(Hall and Whitney 1862)
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Gastropoda
- Murchisoniina
- Phanerotrematidae
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Plethospira semele
(Hall 1861)
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| recombined as Brachytomaria semele | ||||||||||
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Gastropoda
- Murchisoniina
- Hormotomidae
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Hormotoma gracilis
(Hall 1847)
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Michelia oehlerti
(Ulrich and Scofield 1897)
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| recombined as Hormotoma oehlerti | ||||||||||
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Lophospira angustina
(Ulrich and Scofield 1897)
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| recombined as Hormotoma minnesotensis | ||||||||||
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Gastropoda
- Murchisoniina
- Subulitidae
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Fusispira intermedia
Ulrich and Scofield 1897
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Fusispira subbrevis
Ulrich and Scofield 1897
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Fusispira angustus
(Ulrich and Scofield 1897)
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| original and current combination Fusispira angusta | ||||||||||
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Fusispira subfusiformis
(Hall 1847)
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Fusispira inflata
(Meek and Worthen 1870)
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Fusispira ventricosa
Hall 1872
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Gastropoda
- Bellerophontida
- Sinuitidae
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Sinuites cancellatus
(Hall 1847)
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Gastropoda
- Euomphalina
- Ophiletidae
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Ecculiomphalus subrotundus
(Ulrich and Scofield 1897)
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| recombined as Lytospira subrotunda | ||||||||||
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Gastropoda
- Euomphalina
- Helicotomidae
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Ophiletina sublaxa
Ulrich and Scofield 1897
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Gastropoda
- Euomphalina
- Lesueurillidae
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Ecculiomphalus owenanus
(Meek and Worthen 1868)
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| recombined as Eccyliopterus owenanus | ||||||||||
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites crassus
(Ulrich and Scofield 1897)
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| recombined as Maclurites crassa | ||||||||||
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Maclurites subrotunda
(Whitfield 1878)
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Maclurites cuneata
(Whitfield 1878)
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Maclurites manitobensis
(Whiteaves 1890)
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| recombined as Maclurina manitobensis | ||||||||||
| 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 | |||
Lithology and environment
| Primary lithology: | argillaceous wackestone |
| Includes fossils? | Y |
| Lithology description: 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. | |
| 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: | 23680 | ||
| Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-18 15:52:58 | Last modified: | 2004-10-22 12:03:12 |
| Access level: | the public | Released: | 2002-07-18 15:52:58 |
| 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] |