Helderberg Group
The Helderberg Group is a geologic group in New York. It preserves fossils dating back to the Devonian period.
| Helderberg Group Stratigraphic range: Silurian-Early Devonian | |
|---|---|
| Type | Group |
| Underlies | Onondaga Limestone and Oriskany Formation |
| Overlies | Keyser Formation |
| Location | |
| Region | New York |
| Country | United States |
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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