Shell - opened - inner surfaces - pale background

Description:

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: "Dead, (mostly drilled) large paired shells washed up on beach, mostly on lower shore". Shows: Left shell on left. Category: standard photograph or close-up. Background: pale background. Photographic equipment used: Canon EOS400D dSLR + Sigma 50mm 1:1 macro lens.