Phylum Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
Count: [*] 6c;7o;16f;90g;15s [10 Dec 2023]
   Class Trichomonadea Kirby, 1947
  Count: [*] 2o;4f;15g;5s
     Order Honigbergiellida Cepicka, Hampl & Kulda, 2010 see Suborder Honigbergiellina Čepička et al., 2010
    Count: [*] 3f;7g;3s
       Family Hexamastigidae Cepicka, Hampl & Kulda, 2010
      Count: [*] 2g;3s
         Genus Tetratrichomastix Mackinnon, 1913 see Genus Hexamastix Alexeieff, 1912
        Count: -