Rhynchostreon columbum
Rhynchostreon columbum (Lamarck, 1819), Calcários Apinhoados da Costa D'Arnes formation, Upper Cenomanian, Portugal.
50 mm.
ps. two valves articulate
From the album:
Cenomanian-Turonian Gastropods and Bivalves.
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Photo Information
- Taken with Canon Canon EOS 550D
- Focal Length 55 mm
- Exposure Time 1/100
- f Aperture f/5.6
- ISO Speed 3200
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