Searlesia cf. alveolata (SOWERBY)

Fossil mollusc, Searlesia cf. alveolata (SOWERBY) (gastropod); broken, worn and juvenile shells 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