Sardeson Collection, Dubuque Formation, Illinois, Iowa: Edenian, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Orthida
- Dalmanellidae
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? Onniella porrecta
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Paucicrura corpulenta
(Sardeson 1892)
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Rhynchonellata
- Orthida
- Heterorthidae
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? Eremotrema emacerata
(Hall 1860)
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| recombined as Heterorthina emacerata | ||||||||||
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Austinella kankakensis
(McChesney 1861)
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Plaesiomys proavita
(Winchell and Schuchert 1892)
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Rhynchonellata
- Orthida
- Glyptorthidae
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Glyptorthis bellarugosa
(Conrad 1843)
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Lepidocyclus capax
(Conrad 1842)
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| recombined as Hiscobeccus capax | ||||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella minnesotensis
(Sardeson 1892)
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena cf. fluctuosa
Billings 1860
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| recombined as Nasutimena fluctuosa | ||||||||||
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Strophomena trilobita
(Owen 1852)
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| recombined as Strophomena trilobata | ||||||||||
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Strophomenata
- Strophomenida
- Furcitellidae
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Megamyonia unicostata
(Meek and Worthen 1868)
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina nitans
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Rafinesquina deltoidea
(Conrad 1838)
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Strophomenata
- Orthotetida
- Triplesiidae
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Oxoplecia ulrichi
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea pelopea
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Lingulata
- Lingulida
- Pseudolingulidae
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? Pseudolingula iowensis
(Owen 1844)
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Lingulata
- Lingulida
- Lingulasmatidae
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Lingula philomela
Billings 1865
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| recombined as Lingulasma philomela | ||||||||||
| "Lingula" philomela | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Isotelus iowensis
(Owen 1852)
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Isotelus susae
(Whitfield 1882)
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Isotelus gigas
(Dekay 1824)
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| recombined as Asaphus gigas | ||||||||||
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Trilobita
- Corynexochida
- Illaenidae
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Bumastus orbicaudatus
(Billings 1859)
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Trilobita
- Phacopida
- Calymenidae
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Flexicalymene senaria
(Conrad 1841)
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| recombined as Flexicalymene (Flexicalymene) senaria | ||||||||||
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Trilobita
- Phacopida
- Cheiruridae
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Ceraurinus icarus
(Billings 1860)
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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 |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Middle Ordovician - Late/Upper Ordovician | *Local age/stage: | Edenian |
| Key time interval: | Edenian | Graptolite zone: | Amplexograptus manitoulinensis |
| 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. | |
| Environment: | carbonate indet. |
| Geology comments: Environmental call by T. Hanson. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 23809 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2002-07-21 18:57:55 | Last modified: | 2018-03-24 01:05:23 |
| Access level: | the public | Released: | 2002-07-21 18:57:55 |
| 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] |