Yoldia semistriata (WOOD)

Fossil mollusc, Yoldia semistriata (WOOD) (bivalve &); worn shells, 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