Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             Myopterygii - myopterygians
                                               Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
                                                 Grade Teleostomi Bonaparte, 1836
                                                   Euteleostomi - bony vertebrates
                                                     Class Actinopterygii Woodward, 1891 - ray-finned fishes
                                                       [crown] Actinopteri Cope, 1871
                                                         Subclass Neopterygii Regan, 1923
                                                           Infraclass Teleostei Müller, 1845
                                                             Supercohort Teleocephala de Pinna, 1996
                                                               Clupeocephala
                                                                 Cohort Otomorpha E.O. Wiley & G.D. Johnson, 2010
                                                                   Subcohort Ostariophysi Sagemehl, 1885
                                                                     Section Otophysa (Rosen & Greenwood, 1970)
                                                                       Cypriniphysi
                                                                         Superorder Characiphysae (Fink & Fink, 1981)
                                                                           Order Characiformesᵀ Goodrich, 1909 - characins
                                                                             Suborder Characoideiᵀ
                                                                               Superfamily Characoideaᵀ
                                                                                 Family Characidaeᵀ - characins
                                                                                   Genus Knodus Eigenmann, 1911, incertae sedis
                                                                                     Knodus borki Zarske, 2008
                                                                                     Knodus breviceps (Eigenmann, 1908)
                                                                                     Knodus caquetae Fowler, 1945
                                                                                     Knodus chapadae (Fowler, 1906)
                                                                                     Knodus delta Géry, 1972
                                                                                     Knodus gamma Géry, 1972
                                                                                     Knodus heteresthes (Eigenmann, 1908)
                                                                                     Knodus hypopterus (Fowler, 1943)
                                                                                     Knodus megalops Myers, 1929
                                                                                     Knodus meridae Eigenmann, 1911
                                                                                     Knodus mizquae (Fowler, 1943)
                                                                                     Knodus moenkhausii (Eigenmann & Kennedy, 1903)
                                                                                     Knodus orteguasae (Fowler, 1943)
                                                                                     Knodus savannensis Géry, 1961
                                                                                     Knodus septentrionalis Géry, 1972
                                                                                     Knodus shinahota Ferreira & Carvajal, 2007
                                                                                     Knodus smithi (Fowler, 1913)
                                                                                     Knodus tiquiensis Ferreira & Lima, 2006
                                                                                     Knodus victoriae (Steindachner, 1907)