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 Phytomastigophora
               Order Euglenida Bütschli, 1884 - euglenids
                 1 Suborder Euglenina Bütschli, 1884
                 2 Suborder Eutreptiina Leedale, 1967
                 3 Suborder Rhabdomonadina Leedale, 1967 see Order Rhabdomonadida Leedale, 1967
                 4 Suborder Sphenomonadina Leedale, 1967
                 5 Suborder Heteronematina Leedale, 1967
                 6 Suborder Euglenamorphina Leedale, 1967