Elliptical Astarte

Gulf of St. Lawrence (unspecified region), Saguenay Fjord, northern Gaspe Waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: Eastern Bradelle valley), downstream part of middle St. Lawrence estuary, lower St. Lawrence estuary, Magdalen Islands (from eastern Bradelle valley to the west, as far as Cape North, including the Cape Breton Channel), lower North Shore; Cobscook Bay

bathyal, infralittoral and circalittoral of the Gulf and estuary