Hypermarginata found at Bernier Island on large purple geordia sponge in 43m on low limestone reef.

51.5mm with a nice white dorsum and carmel base.  Has an algal inclusion as seen by the photo, slight nacre disturbance on the base, not as obvious in hand.

Great peice for the zoila enthusiast, will send insitu photos of the shell on a usb stick.

Collected by licensed specimen shell diver.