| Harrylock Formation | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation |
| Location | |
| Country |  Ireland |
The Harrylock Formation is a geologic formation in Ireland. It preserves fossils dating back to the Devonian period.
| Harrylock Formation | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation |
| Location | |
| Country | Ireland |
The Harrylock Formation is a geologic formation in Ireland. It preserves fossils dating back to the Devonian period.
Color key
| Notes Uncertain or tentative taxa are in small text; |
| Plants of the Harrylock Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Callixylon [1] | C. seamrogia | A progymnosperm tree | ||||
The Lucas Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
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