
Shell up to 1½ inches, with three reddish-brown rays and concentric ridges. On one side shell slopes steeply, with slight concave outline on other side.
Found at Pembrey Beach, Carmarthenshire
Shell up to 1½ inches, with three reddish-brown rays and concentric ridges. On one side shell slopes steeply, with slight concave outline on other side.
Found at Pembrey Beach, Carmarthenshire