12 Callochiton septemvalvis

12 Callochiton septemvalvis

Girdle has single white band each side of sutures between valves i/ii and vii/viii. Surface of valves appears waxy and very finely granulose (Kaas & Van Belle, 2003) when out of water. Needles on dark brown parts of the girdle are obscure. Cornwall, England, January 2013. © D. Fenwick.