Longitude (deg): -2.1. Latitude (deg): 50.6. Longitude (deg/min): 2° 10' 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: dead shells washed up on beach. Detail to note: traces of blue rays (still visible in the dry shell). 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.