life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
     Kingdom Protoctista Hogg, 1860
       "Amitochondriates"
         Phylum Archaeprotista
           Class Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
             Order Trichomonadida Kirby, 1947 - trichomonads
               Family Trichomonadidae Chalmers & Pekkola, 1918
                 Genus Trichomitus Swezy, 1915
                 Genus Trichomonas Donné, 1836