French
DeutschLucas Formation
| Lucas Formation | |
|---|---|
| Stratigraphic range: Middle Devonian | |
_5_(48904937882).jpg) Lucas Dolomite (Middle Devonian; quarry near Junction, Ohio) | |
| Type | Formation |
| Unit of | Detroit River Group |
| Underlies | Anderdon Limestone and Dundee Formation |
| Overlies | Amherstburg Formation |
| Location | |
| Region | Michigan and Ohio |
| Country | United States |
The Lucas Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
Fossil content
[edit]| Cnidarians | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Siphonophrentis | S. gigantea | [1] | A coral |  | |
References
[edit]- ^ McCall, Christian R (16 October 2018). "Exceptional new fossil of Siphonophrentis gigantea". Retrieved 25 July 2022.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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 | This article about a specific stratigraphic formation in Michigan is a stub. You can help Wikipedia by expanding it. |