Lucas Formation
Appearance
Lucas Formation | |
---|---|
Stratigraphic range: Middle Devonian | |
![]() 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.