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Trilobites of the Sthenarocalymene celebra Assoc., Cook County, Illinois, USA
| Lat/Long (Decimal) | 41.6667,-88 |
|---|---|
| Co-ordinates Derivation | based on nearby landmark |
| Given Location | Illinois, United States |
| Mindat.org Region (for given coordinates) | Cook County, Illinois, USA |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| Trilobites of the Sthenarocalymene celebra Assoc., Lemont, IL | Mikulic D. G. (1999) | Racine Dolomite | General age of community stated as Racine Dolomite [and presumably equivalents?], Late Wenlock to Ludlow. | lime mudstone | 433.4 - 423 Ma Silurian |
| Trilobites of the Sthenarocalymene celebra Assoc., Sugar Run Dolo., Will Co., IL | Mikulic D. G. (1999) | Sugar Run Dolomite | General age of community stated as Racine Dolomite [and presumably equivalents?], Late Wenlock to Ludlow. | lime mudstone | 433.4 - 423 Ma Silurian |
| west side of the Sanitary and Ship Canal, Lemont | Paul C. R. C. (1971) | Joliet Dolomite | dolomite | 439 - 426.2 Ma Silurian |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
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