Spisula subtruncata (DA COSTA)

Fossil mollusc, Spisula subtruncata (DA COSTA) (bivalve); very worn hinge fragment, hand collected from the Quaternary (Pleistocene, Norwich Crag) deposits, of Sizewell 'A' Nuclear Power Station 1961 sample 'A5', Sizewell, Suffolk, England collected by Dr P. E. P. Norton, 1961