Ordovician Gastropod internal mold from Brechin, Ontario
Trochonema sp. (internal mold)
Upper Ordovician
Verulam Formation
James Dick Quarry
Brechin, Ontario
Photo Information
- Taken with Apple iPad mini 2
- Focal Length 3.3 mm
- Exposure Time 1/24
- f Aperture f/2.4
- ISO Speed 160
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