Spisula cf. triangulata (WOOD) (?)

Fossil mollusc, Spisula cf. triangulata (WOOD) (?) (bivalve); hinge fragment of left valve. borehole from the Quaternary (Pleistocene, Early Pleistocene) deposits, Icenian Crag, of the Royal Society Borehole, Ludham, Norfolk, England examined by Dr Peter E.P. Norton, 1961