Partial Echinoid from the New Jersey Cretaceous
Catopygus? Partial Echinoid (1/2 inch) Upper Cretaceous Merchantville Formation Matawan Group Matawan, N.J.
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Photo Information
- Taken with samsung SM-J737A
- Focal Length 3.7 mm
- Exposure Time 1/40
- f Aperture f/1.7
- ISO Speed 160
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