echinocorys gravesi 1-2
Echinocorys gravesi : urchin from the turonian chalk of normandy - Senneville sur Fécamp -Turonian - Cretaceous
Photo Information
- Taken with PENTAX PENTAX K-5 II
- Focal Length 50 mm
- Exposure Time 1/100
- f Aperture f/32.0
- ISO Speed 800
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