Left valve fragment - outer surface - white background

الوصف:

Longitude (deg): -1.9. Latitude (deg): 50.6. Longitude (deg/min): 1° 60' W. Latitude (deg/min): 50° 40' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Stage: Dead shell. Identified by: Malcolm Storey. Comment: "1 very old dead right (convex) valve and half a fresh left valve, washed up on the beach after storms". Category: standard photograph or close-up. Background: white background. Photographic equipment used: Canon EOS400D dSLR + Sigma 50mm 1:1 macro lens.