Two complete dorsal valves, one showing the exterior and one the interior aspect, together with another almost complete dorsal valve showing the interior. All three valves hsow the radial ornament, concentric growth lines and wide hinge line. The two valves showing the interior aspect also show the teeth sockets well. From Onny River, Shropshire, England.
Size: 28mm x 43mm x 23mm x 38mm
Size: 28mm x 43mm x 23mm x 38mm