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 Hemiodontoidea [monotypic]
Family Hemiodontidaeᵀ
Subfamily Hemiodontinaeᵀ
Tribe Hemiodontiniᵀ [monotypic]
Genus Hemiodusᵀ Müller, 1842
Hemiodus amazonum (Humboldt, 1821)
Hemiodus argenteus Pellegrin, 1908
Hemiodus atranalis (Fowler, 1940)
Hemiodus goeldii Steindachner, 1908
Hemiodus gracilis Günther, 1864
Hemiodus huraulti (Géry, 1964)
Hemiodus immaculatus Kner, 1858
Hemiodus jatuarana Langeani, 2004
Hemiodus microlepis Kner, 1858
Hemiodus orthonops Eigenmann & Kennedy, 1903
Hemiodus parnaguae Eigenmann & Henn, 1916
Hemiodus quadrimaculatus Pellegrin, 1908 - barred hemiodus
Hemiodus semitaeniatus Kner, 1859 - halfline hemiodus
Hemiodus sterni (Géry, 1964)
Hemiodus ternetzi Myers, 1927
Hemiodus thayeria Böhlke, 1955
Hemiodus tocantinensis Langeani, 1999
Hemiodus unimaculatus (Bloch, 1794)
Hemiodus vorderwinkleri (Géry, 1964)