Large Grammysia (bivalve) from Madison Co., NY.
Grammysia bisculata (bivalve)
Middle Devonian
Upper Ludlowville Formation
Hamilton Group
Geer Road quarry
Lebanon, NY.
collected 8/24/15
Found this, one of my largest Grammysias, lying loose in the talus.
Photo Information
- Taken with Canon Canon PowerShot A470
- Focal Length 6.3 mm
- Exposure Time 1/20
- f Aperture f/3.0
- ISO Speed 200
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