Paleocene Brachycarcharias shark tooth from Potomac River, Maryland
Brachycarcharias lerichei (mackerel shark tooth)
Paleocene
Aquia Formation
Douglas Point
Potomac River
Charles Co., Maryland
- 1
Photo Information
- Taken with Canon Canon PowerShot A470
- Focal Length 6.3 mm
- Exposure Time 1/30
- f Aperture f/3.0
- ISO Speed 200
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