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 Hypermastigida Grassi, 1911 - hypermastigids see Class Hypermastigia
                 Suborder Trichonymphina see Order Trichonymphida Hartmann, 1911
                   1 Family Hoplonymphidae Light, 1926
                   2 Family Staurojoeninidae Grassi, 1917
                   3 Family Eucomonymphidae Cleveland, Hall, Sanders & Collier, 1934 see Family Teranymphidae Koidzumi, 1921
                   4 Family Trichonymphidae Kent, 1880
                   5 Family Teranymphidae Koidzumi, 1921
                   6 Family Spirotrichosomidae Hollande & Carruette-Valentin, 1971
                   7 Family Holomastigotidae Janicki, 1915 see Family Holomastigotoididae Copeland, 1956