Gibbula cf. tumida (MONTAGU)

Fossil mollusc, Gibbula cf. tumida (MONTAGU) (gastropod, top shell); very worn apical fragment recovered from 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