Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Class Osteichthyes Huxley, 1880 [paraphyletic] - bony fishes
see [unranked] Euteleostomi
Subclass Actinopterygii Woodward, 1891 - ray-finned fishes
see Class Actinopterygii Woodward, 1891
Infraclass Neopterygii Regan, 1923
see Subclass Neopterygii Regan, 1923
Division Teleostei Müller, 1845
see Infraclass Teleostei Müller, 1845
Subdivision Euteleostei Greenwood et al., 1966
see Cohort Euteleosteomorpha (Greenwood et al., 1966)
Order Salmoniformes Rafinesque, 1810 - trouts
Suborder Argentinoidei Bertelsen, 1958
Family Bathylagidae - deepsea smelts
see Subfamily Bathylaginae