Spisula subtruncata (DA COSTA)

Fossil mollusc, Spisula subtruncata (DA COSTA) (bivalve); dorsal part of a juvenile 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