Phacoides borealis (LINNÉ) (?)

Fossil mollusc, Phacoides borealis (LINNÉ) (?) (bivalve); broken apex of a worn right valve, hand collected from the Quaternary (Pleistocene, Norwich Crag) deposits, of Wangford Hill Farm gravel pit, Wangford Hill farm, Wangford, Suffolk, England collected by P E P Norton, 1969