Helderberg Group

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

The Helderberg Group is a geologic group in New York. It preserves fossils dating back to the Devonian period.