Trilobits from Formosa Reef, Ontario
Proteus (Crassiproetus) crassimarginatus Ptychoparid Trilobites Middle Devonian Amherstburg Formation Detroit River Group Formosa Reef Formosa, Ontario Some of these were generous gifts from Kane
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Photo Information
- Taken with Apple iPad mini
- Focal Length 3 mm
- Exposure Time 1/120
- f Aperture f/1.8
- ISO Speed 32
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