living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Sarcomastigophora Honigberg & Balamuth, 1963
           Subphylum Mastigophora Diesing, 1866 - flagellates
             Class Zoomastigophora see Class Zoomastigophorea
               Order Trichomonadida Kirby, 1947 - trichomonads
                 Family Trichomonadidae Chalmers & Pekkola, 1918
                   1 Subfamily Trichomonadinae Chalmers & Pekkola, 1918
                   2 Subfamily Tritrichomonadinae Honigberg, 1963 see Family Tritrichomonadidae Honigberg, 1963
                   3 Subfamily Trichomitopsinae G. Brugerolle, 1977
                   4 Subfamily Pentatrichomonoidinae B.M. Honigberg, 1963