Shell - outer surface - white background

Description :

Longitude (deg): -1.1. Latitude (deg): 51.4. Longitude (deg/min): 1° 10' W. Latitude (deg/min): 51° 30' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Dead shell. Identified by: Malcolm Storey. Comment: Dead shells found beside fishing lake. Shows: left valve. Category: standard photograph or close-up. Background: white background. Orientation: "Left, or facing to left". Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.