Chouteau Formation (Union Co. Illinois): Kinderhookian - Osagean, Illinois
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Proetida
- Phillipsiidae
|
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Thigriffides roundyi
(Girty 1926)
|
17 specimens | |||||||||
| originally entered as "Thigiffides roundyi" | ||||||||||
|
Griffithidella doris
(Hall 1860)
|
7 specimens | |||||||||
|
Griffithidella alternata
(Girty 1926)
|
3 specimens | |||||||||
|
Carbonocoryphe planucauda
Brezinski 1998
|
5 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Illinois | County: | Union |
| Coordinates: | 37.5° North, 89.2° West (view map) | ||||
| Paleocoordinates: | 23.6° South, 36.6° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| Stage: | Tournaisian | 10 m.y. bin: | Carboniferous 1 - Carboniferous 1-2 | *Epoch: | Tournaisian | *Local age/stage: | Late/Upper Kinderhookian - Osagean |
| Key time interval: | Kinderhookian - Osagean | ||
| Age range of interval: | 358.9 - 343.1 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Chouteau | ||||
| Stratigraphy comments: Late Kinderhookian and Osagean |
Lithology and environment
| Primary lithology: | "carbonate" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Trilobites only | |
Metadata
| Database number: | 9 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | C. Visaggi | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2004-03-11 16:25:08 |
| Access level: | the public | Released: | 2000-11-20 13:53:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1. | D. K. Brezinski. 1998. Trilobites from the Lower Mississippian starved basin facies of the southern United States. Journal of Paleontology 72(4):718-725 [J. Alroy/M. Sommers/M. Clapham] |