Trigonia costata (Hartmann 1843)
7cm. With both valves intact. Humphresianum Zone, Bajocian, Sissach, CH.
From the album:
Gastropods and Bivalves Worldwide
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Photo Information
- Taken with Canon Canon PowerShot SX230 HS
- Focal Length 5 mm
- Exposure Time 1/8
- f Aperture f/3.1
- ISO Speed 1600
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