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

<==o Belontiidae [Polyacanthidae] (rihmakalat) [N: 13/34] [FB: 13/81]
   |--o Belontia [Belontiinae] (kampapyrstöt; combtail gouramies) [2]
   |  |-- B. hasselti (Cuvier, 1831) (Malay combtail)
   |  `-- B. signata (Günther, 1861) (Ceylonese combtail)
   |--o Macropodinae [non Macropodinae Gray, 1821, a subfamily of kenguroos] (taistelukalat; siamese fighting fishes, paradise fishes) [N: 7/20] [FB: 7/66]
   |  |-- Betta (taistelukalat) [47]
   |  |-- Ctenops nobilis McClelland, 1845 (Frail gourami)
   |  |--o Macropodus (paratiisikalat) [2]
   |  |  |-- M. chinensis (Bloch, 1790) (Roundtail paradisefish)
   |  |  `-- M. opercularis (Linnaeus, 1758) (paratiisikala; Paradise fish)
   |  |-- Malpulutta kretseri Deraniyagala, 1937 (Spotted gourami)
   |  |--o Parosphromenus [11]
   |  |  |-- P. allani Brown, 1987
   |  |  |-- P. anjunganensis Kottelat, 1991
   |  |  |-- P. bintan Kottelat & Ng, 1998
   |  |  |-- P. deissneri (Bleeker, 1859) (Licorice gourami)
   |  |  |-- P. filamentosus Vierke, 1981 (Spiketail gourami)
   |  |  |-- P. harveyi Brown, 1987
   |  |  |-- P. linkei Kottelat, 1991
   |  |  |-- P. nagyi Schaller, 1985
   |  |  |-- P. ornaticauda Kottelat, 1991
   |  |  |-- P. paludicola Tweedie, 1952
   |  |  `-- P. parvulus Vierke, 1979
   |  |--o Pseudosphromenus [2]
   |  |  |-- P. cupanus (Cuvier, 1831) (Spiketail paradisefish)
   |  |  `-- P. dayi (Engmann, 1909)
   |  `--o Trichopsis [3]
   |     |-- T. pumila (Arnold, 1936) (Pygmy gourami)
   |     |-- T. schalleri Ladiges, 1962 (Threestripe gourami)
   |     `-- T. vittata (Cuvier, 1831) (Talking gourami)
   `--o Trichosgasterinae (varsinaiset rihmakalat; gouramies) [N: 4/12] [4/13]]
      |--o Colisa [2]
      |  |-- C. fasciatus (Bloch & Schneider, 1801) (Banded gourami)
      |  `-- C. lalia (Hamilton, 1822) (kääpiörihmakala; Dwarf gourami)
      |-- Parasphaerichthys ocellatus Prashad & Mukerji, 1929 (Eyespot gourami)
      |--o Sphaerichthys [4]
      |  |-- S. acrostoma Vierke, 1979
      |  |-- S. osphromenoides Canestrini, 1860 (Chocolate gourami)
      |  |-- S. selatanensis Vierke, 1979
      |  `-- S. vaillanti Pellegrin, 1930
      `--o Trichogaster [6]
         |-- T. chuna (Hamilton, 1822) [Colisa chuna] (hunajarihmakala; Honey gourami)
         |-- T. labiosus Day, 1877 [Colisa labiosa] (huulirihmakala; Thick lipped gourami)
         |-- T. leerii (Bleeker, 1852) [T. leeri] (helmirihmakala; Pearl gourami)
         |-- T. microlepis (Günther, 1861) (Moonlight gourami)
         |-- T. pectoralis (Regan, 1910) (Snakeskin gourami)
         `-- T. trichopterus (Pallas, 1770) (sinirihmakala; Three spot gourami)

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