Crinoid - Potomac River
By HynerpetonHunter
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A crinoid I found in Nanjemoy WMA at Purse SP. Found mixed up with some shark teeth from the Aquia Formation. I don't think there are any crinoids from those layers!
Photo Information
- Taken with Apple iPhone 6s
- Focal Length 4.2 mm
- Exposure Time 1/172
- f Aperture f/2.2
- ISO Speed 25
