Aloidis gibba (OLIVI)

Fossil mollusc, Aloidis gibba (OLIVI) (bivalve); very badly worn and encrusted shell, hand collected from the Quaternary (Pleistocene, Norwich Crag) deposits, of Sizewell 1961 'A' Nuclear Power Station, sample A5, Sizewell, Suffolk, England collected by Dr P. E. P. Norton, 1961