Planorbis (Anisus) cf. leucostoma (MILLET)

Fossil mollusc, Planorbis (Anisus) cf. leucostoma (MILLET) (gastropod); good shell (slight damage), hand collected from the Quaternary deposits, of Sizewell 'B' Nuclear Power Station 1970 sample '1', Sizewell, Suffolk, England collected by Dr P.E.P. Norton, 1970