Kalkberg Bivalve
Actinopteria communis
Pteriomorph Bivalve
Lower Devonian
Kalkberg Formation
Helderberg Group
Schoharie, N.Y.
- 1
Photo Information
- Taken with Apple iPad mini
- Focal Length 3 mm
- Exposure Time 1/161
- f Aperture f/1.8
- ISO Speed 20
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