living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Sarcomastigophora Honigberg & Balamuth, 1963
           Mastigophora Diesing, 1866 - flagellates
             Zoomastigophora see Class Zoomastigophorea
               Hypermastigida Grassi, 1911 - hypermastigids see Class Hypermastigia
                 Trichonymphina see Order Trichonymphida Hartmann, 1911
                   Hoplonymphidae Light, 1926
                     Rhynchonympha Cleveland, Hall, Sanders & Collier, 1934