organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     flagellated protists
       Phylum Euglenozoa Cavalier-Smith, 1981
         Class Euglenoidea Bütschli, 1884
           Order Euglenida Bütschli, 1884 - euglenids
             1 Suborder Eutreptiina Leedale, 1967
             2 Suborder Euglenina Bütschli, 1884
             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