Longitude (deg): -5.1. Latitude (deg): 55.5. Longitude (deg/min): 5° 10' W. Latitude (deg/min): 55° 40' N. Vice county name: Clyde Islands. Vice county no.: 100. Country: Scotland. Stage: Dead shell. Identified by: Malcolm Storey. Comment: dead shells and borings in washed-up driftwood. Shows: Left valve to left. Category: standard photograph or close-up. Image scaling: enlarged. Real world width(mm): 0. Photographic equipment used: Canon EOS400D digital SLR with Tamron SP AF Di 90mm Macro 1:1 lens.