Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                       Elopocephala see Supercohort Teleocephala de Pinna, 1996
                         Clupeocephala
                           Subdivision Ostarioclupeomorpha Arratia, 1997 see Cohort Otomorpha E.O. Wiley & G.D. Johnson, 2010
                             Superorder Ostariophysi Jordan & Evermann, 1896 see Subcohort Ostariophysi Sagemehl, 1885
                               Series Otophysi Rosen & Greenwood, 1970 see Section Otophysa (Rosen & Greenwood, 1970)
                                 Cypriniphysi
                                   Order Cypriniformes Rafinesque, 1810 - carps
                                     Superfamily Cobitoidea Swainson, 1839
                                       Family Balitoridae Swainson, 1839 - hillstream and river loaches
                                         Subfamily Balitorinae - flat loaches see Family Balitoridae Swainson, 1839
                                           Genus Sewellia Hora, 1932