Unciola irrorata Say 1818

northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), Magdalen Islands (from Eastern Bradelle valley to the west, as far as Cape North, including the Cape Breton Channel), lower St. Lawrence estuary, Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway), middle North Shore (from Sept- Iles to Cape Whittle, including the Mingan Islands); lower North Shore; Cobscook Bay

infralittoral and circalittoral of the Gulf and estuary