There are 7 endemic species in the North East Pacific (Gulf of Alaska, "P" station, British Columbia) (zone 24)
Aetideus divergens Bradford, 1971 (F,M)(presence in 1 zones) Azygokeras columbiae Koeller & Littlepage, 1976 (F,M)(presence in 1 zones) Bradyidius saanichi Park, 1966 (F,M)(presence in 1 zones) Chirundina alaskaensis (Tanaka, 1969) (F)(presence in 1 zones) Oncaea sp.1 [Heron & Frost, 2000] (F,M)(presence in 1 zones) Parastephos occatum Damkaer, 1971 (F,M)(presence in 1 zones) Tharybis fultoni Park, 1967 (F,M)(presence in 1 zones)
