Littorina littorea (LINNÉ)

Fossil mollusc, Littorina littorea (LINNÉ) (gastropod, winkle); one drilled by Natica; 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