Gibbula tumida (MONTAGU)

Fossil mollusc, Gibbula tumida (MONTAGU) (gastropod, top shell);apex only, 4 whorls remain, well preserved sculpture, found in borehole from the Quaternary (Pleistocene, Early Pleistocene) deposits, Icenian Crag, of the Royal Society Borehole, Ludham, Norfolk, England by Dr Peter E.P. Norton, 1961