Longitude (deg): -5.0. Latitude (deg): 50.4. Longitude (deg/min): 5° 0' W. Latitude (deg/min): 50° 30' N. Vice county name: West Cornwall. Vice county no.: 1. Country: England. Stage: Dead shell. Identified by: Malcolm Storey. Comment: Many dead half-shells and fragments washed up on beach. Category: standard photograph or close-up. Real world width(mm): 0. Background: dark background. Photographic equipment used: Canon EOS400D digital SLR with Tamron SP AF Di 90mm Macro 1:1 lens.