organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
  Count: 1k;12p;37c;157o;717f;2996g;586s; †2o;1g
     flagellated protists
    Count: 2p;5c;16o;45f;366g; †1g
       Phylum Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
      Count: [g] 2c;4o;20f;81g
         Class Trichomonada see Class Trichomonadea Kirby, 1947
        Count: -
           Order Trichomonadida Kirby, 1947 - trichomonads
          Count: -
             Family Monocercomonadidae Kirby, 1944
            Count: [g] 12g
               Subfamily Monocercomonadinae Kirby, 1944 see Family Monocercomonadidae Kirby, 1944
              Count: [g] 4g
                 Genus Trichomastix Blochmann, 1884 see Genus Tetratrichomastix Mackinnon, 1913
                Count: -