After Nelson, 1994, with Recent species from Froese & Pauly, 2001 [“The FishBase”]

<==o Hemiodontidae [Hemiodontidae: Hemiodontinae sensu Nelson, 1994] (ylähammastetrat)
   |-- Micromischodus sugillatus Roberts, 1971 [Micromischodontini] ()?
   |--o Anodus [Eigenmannina] [Anodontini] ()? [2]
   |  |-- A. elongatus Agassiz, 1829
   |  `-- A. orinocensis (Steindachner, 1887)
   |--o Hemiodontini ()? [2/19]
   |  |?- Pterohemiodus
   |  `--o Hemiodus [Hemiodopsis] ()? [18]
   |     |-- H. amazonum (Humboldt, 1821)
   |     |-- H. argenteus Pellegrin, 1908
   |     |-- H. atranalis (Fowler, 1940)
   |     |-- H. goeldii Steindachner, 1908
   |     |-- H. gracilis Günther, 1864 (punasulkapyrstö)
   |     |-- H. huraulti (Géry, 1964)
   |     |-- H. immaculatus Kner, 1858
   |     |-- H. microlepis Kner, 1858
   |     |-- H. orthonops Eigenmann & Kennedy, 1903
   |     |-- H. parnaguae Eigenmann & Henn, 1916
   |     |-- H. quadrimaculatus Pellegrin, 1908 (Barred hemiodus)
   |     |-- H. semitaeniatus Kner, 1858 (Halfline hemiodus)
   |     |-- H. sterni (Géry, 1964)
   |     |-- H. ternetzi Myers, 1927
   |     |-- H. thayeria Böhlke, 1955
   |     |-- H. tocantinensis Langeani, 1999
   |     |-- H. unimaculatus (Bloch, 1794)
   |     `-- H. vorderwinkleri (Géry, 1964)
   `--o Bivibranchini ()? [Nelson: 6] [FishBase: 7]
      |--o Argonectes ()? [2]
      |  |-- A. longiceps (Kner, 1858)
      |  `-- A. robertsi Langeani, 1998
      `--o Bivibranchia [Atomaster] ()? [5]
         |-- B. bimaculata Vari, 1985
         |-- B. fowleri (Steindachner, 1908)
         |-- B. notata Vari & Goulding, 1985
         |-- B. simulata Géry, Planquette & Le Bail, 1991
         `-- B. velox (Eigenmann & Myers, 1927)

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