Posterior tooth
Hard to see any striations, but it may be Cretodus sp. : http://www.thefossilforum.com/index.php?/gallery/image/51613-‘button-nose’-posterior-cretodus-crassidens-south-dakota/&browse=1
Photo Information
- Taken with Apple iPhone SE (1st generation)
- Focal Length 4.2 mm
- Exposure Time 1/15
- f Aperture f/2.2
- ISO Speed 200
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