A very fine complete specimen with both valves. It features the characteristic highly-elongated (15 mm), curved, suberect umbo of the pedicle valve. The external ornament of wavy radial costae and concentric growth lines, show well and the anterior commissure is plane. From Leighton Buzzard, Bedfordshire.
Size: 38 mm x 14 mm
Size: 38 mm x 14 mm