Abra alba (WOOD)

Fossil mollusc, Abra alba (WOOD) (bivalve); umbone fragments with chondrophores, some quite fresh, 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