Ptychodus atcoensis, Atco
Ptychodus atcoensis, Travis Co.
Coniacian, Cretaceous
Nov, 2021
Can be identified by the characteristic chevron ridge pattern.
Actually my first ever ptychodus. Took me a long time to figure out what it was since atcoensis is a rarer species. As a beginner, it turned me off of pinning down ptychodus species since I worried they might all be as difficult!
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Photo Information
- Taken with Apple iPhone 11
- Focal Length 4.3 mm
- Exposure Time 1/1287
- f Aperture f/1.8
- ISO Speed 32
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