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 Trichomonadidae Chalmers & Pekkola, 1918
            Count: [g] 8g
               Subfamily Trichomonadinaeᵀ Chalmers & Pekkola, 1918
              Count: [g] 4g
                 1 Genus Trichomitus Swezy, 1915
                Count: -
                 2 Genus Tetratrichomonas Parisi, 1910
                Count: -
                 3 Genus Trichomonas Donné, 1836
                Count: -
                 4 Genus Pentatrichomonas Mesnil, 1914
                Count: -