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
                                   Characiphysi Fink & Fink, 1981 see Superorder Characiphysae (Fink & Fink, 1981)
                                     Order Characiformes Goodrich, 1909 - characins
                                       Suborder Characoidei
                                         Superfamily Characoidea
                                           Family Characidae - characins
                                             01 Genus Astyanax Baird & Girard, 1854, incertae sedis
                                             02 Genus Bramocharax Gill, 1877, incertae sedis
                                             03 Genus Bryconamericus Eigenmann, 1907, incertae sedis
                                             04 Genus Bryconops Kner, 1858, incertae sedis
                                             05 Genus Creagrutus Günther, 1864, incertae sedis
                                             06 Genus Engraulisoma Castro, 1981, incertae sedis [monotypic]
                                             07 Genus Exodon Müller & Troschel, 1844, incertae sedis [monotypic]
                                             08 Genus Gymnocharacinus Steindachner, 1903, incertae sedis [monotypic]
                                             09 Genus Gymnocorymbus Eigenmann, 1908, incertae sedis
                                             10 Genus Hemibrycon Günther, 1864, incertae sedis
                                             11 Genus Hemigrammus Gill, 1858, incertae sedis
                                             12 Genus Hyphessobrycon Eigenmann, 1908, incertae sedis
                                             13 Genus Inpaichthys Gery & Junk, 1977, incertae sedis [monotypic]
                                             14 Genus Jupiaba Zanata, 1997, incertae sedis
                                             15 Genus Knodus Eigenmann, 1911, incertae sedis
                                             16 Genus Lignobrycon Eigenmann & Myers, 1929, incertae sedis [monotypic]
                                             17 Genus Moenkhausia Eigenmann, 1903, incertae sedis
                                             18 Genus Oligosarcus Günther, 1864, incertae sedis
                                             19 Genus Paracheirodon Gèry, 1960, incertae sedis
                                             20 Genus Paragoniates Steindachner, 1877, incertae sedis [monotypic]
                                             21 Genus Prionobrama Fowler, 1913, incertae sedis
                                             22 Genus Pristella Eigenmann, 1908, incertae sedis [monotypic]
                                             23 Genus Probolodus Eigenmann, 1911, incertae sedis [monotypic]
                                             24 Genus Rachoviscus Myers, 1926, incertae sedis
                                             25 Genus Salminus Agassiz, 1829, incertae sedis
                                             26 Genus Stygichthys Brittan & Bohlke, 1965, incertae sedis [monotypic]
                                             27 Genus Triportheus Cope, 1872, incertae sedis
                                             28 Genus Tyttobrycon Gery, 1973, incertae sedis
                                             29 Genus Xenagoniates Myers, 1942, incertae sedis [monotypic]
                                             30 Subfamily Agoniatinae [monotypic]
                                             31 Subfamily Clupeacharacinae [monotypic]
                                             32 Subfamily Iguanodectinae
                                             33 Subfamily Bryconinae
                                             34 Subfamily Serrasalminae - piranhas and allies
                                             35 Subfamily Aphyocharacinae [monotypic]
                                             36 Subfamily Characinae
                                             37 Subfamily Stethaprioninae
                                             38 Subfamily Tetragonopterinae Lundberg, 1997 [monotypic]
                                             39 Subfamily Rhoadsiinae
                                             40 Subfamily Cheirodontinae
                                             41 Subfamily Glandulocaudinae