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 Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Euglenophycota see Phylum Euglenophyta Pascher (1931)
           Class Euglenophyceae W. Schoenichen (1925) see Class Euglenoidea Bütschli, 1884
             Genus Hemistasia Griessmann, 1913
             1 Order Eutreptiales Leedale (1967) see Suborder Eutreptiina Leedale, 1967
             2 Order Euglenales Bütschli (1884) see Suborder Euglenina Bütschli, 1884
             3 Order Rhabdomonadales Leedale (1967) see Suborder Rhabdomonadina Leedale, 1967
             4 Order Sphenomonadales Leedale, 1967 see Suborder Sphenomonadina Leedale, 1967
             5 Order Heteronematales Leedale, 1967 see Suborder Heteronematina Leedale, 1967
             6 Order Euglenamorphales Leedale (1967) see Suborder Euglenamorphina Leedale, 1967