Margin of shell - in water - showing tentacles

Description:

Longitude (deg): -2.4. Latitude (deg): 50.5. Longitude (deg/min): 2° 30' W. Latitude (deg/min): 50° 30' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Stage: Living animal. Identified by: Malcolm Storey. Comment: "living animal, on mud at low spring tide". Category: standard photograph or close-up. Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.