Atlantic Ocean: off Mauritania in the eastern Atlantic; in the western Atlantic, known from the continental slope and rise between 41? and 31?N, 65? and 78?W, from the Recife area and Mid-Atlantic Ridge between 35? and 45?N. Eastern Pacific: east of Prince Wales Island, Alaska (Ref. 26282) and British Columbia, Canada (Ref. 11980); to south of southern California (Ref. 36385).