Ampharete acutifrons (Grube 1860)

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

bathyal, infralittoral and circalittoral of the Gulf and estuary

In Krüger et al (2022: 361) the following prior usages/records of the species are indicated as being misidentified as A acutifrons: Hessle 1917; Annenkova 1929; Hartmann-Schröder 1971, 1996; Day 1973; Bick and Gosselck 1985; Holthe 1986; Jirkov 2001; Parapar et al. 2012. These usages are not re-identified, pagination is not given, and geographic locations of the misidentifications are not given.