Spisula subtruncata (DA COSTA) (?)

Fossil mollusc, Spisula subtruncata (DA COSTA) (?) (bivalve); broken worn shells, hand collected from the Quaternary (Pleistocene, Norwich Crag) deposits, of Sizewell 'B' Nuclear Power Station, 1970 sample '4', Sizewell, Suffolk, England collected by P E P Norton, 1970