Bivalves from the Severn Formation, MD.
Cyprimeria alta Verneridae Bivalve Upper Cretaceous Severn Formation Monmouth Group Brightseat, MD. a generous gift from HistorianMichael
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Photo Information
- Taken with Apple iPad mini
- Focal Length 3 mm
- Exposure Time 1/60
- f Aperture f/1.8
- ISO Speed 160
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