After Nelson, 1994 and Froese & Pauly, 2001

<==o Ateleopodiformes (Jellynose fishes; nuijapääkalat)
   `--o Ateleopodidae (Jellynose fishes; nuijapäät)
      |--o Atelopus
      |  |-- A. indicus Alcock, 1891
      |  |-- A. japonicus Bleeker, 1854 (japaninnuijapää)
      |  |-- A. natalensis Regan, 1921
      |  |-- A. purpureus Tanaka, 1915
      |  `-- A. tanabensis Tanaka, 1918
      |-- Guentherus altivelis Osório, 1917 (Highfin tadpole fish; purjenuijapää)
      |--o Ijimaia
      |  |-- I. antillarum Howell Rivero, 1935
      |  |-- I. dofleini Sauter, 1905
      |  |-- I. loppei Roule, 1922 (Loppe's tadpole fish)
      |  `-- I. plicatellus (Gilbert, 1905) (Deep water ateleopid fish)
      `-- Parateleopus microstomus Smith & Radcliffe, 1912

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