The Lucas Formation is a geologic formation in U.S. states of Michigan and Ohio. It preserves fossils dating back to the middle Devonian period.
Fossil content
| Cnidarians | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Siphonophrentis | S. gigantea | [1] | A coral |  | |
References
- ^ 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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