Fisher, 1905: 319; 1911: 231; Krieger & Wing, 2002: 86.
Occurrence: Alaska, Gulf of Alaska. 377–454 m.
Material examined: HOLOTYPE: USNM 22338, Guard Island, Behm Canal, Alexander Archipelago, Alaska, 55°N, 131°W, 377–454 m, coll. USFC Albatross, 9.vii.1903 (1 dry spec. R = 7.8, r = 3.9).