Astarte borealis (SCHUMACHER) (?)

Fossil mollusc, Astarte borealis SCHUMACHER (?) (bivalve); apical parts of two left valves, good preservation, hand collected from the Pleistocene (Serripes Zone, horizon 19) deposits, of Tjörnes, Kambsgjá, Tjörnes, Iceland collected by P E P Norton, July 1969