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
             Suborder Euglenina Bütschli, 1884
               01 Genus Euglena C.G. Ehrenberg, 1830
               02 Genus Euglenocapsa Steinecke, 1931
               03 Genus Khawkinea Jahn & McKibben, 1937
               04 Genus Astasia Dujardin, 1830
               05 Genus Cyclidiopsis Korschikov, 1917
               06 Genus Trachelomonas Ehrenberg, 1833
               07 Genus Strombomonas Deflandre, 1930
               08 Genus Ascoglena Stein, 1878
               09 Genus Klebsina Silva, 1961
               10 Genus Klebsiella Pascher, 1931 see Genus Klebsina Silva, 1961
               11 Genus Colacium Ehrenberg, [1834]
               12 Genus Phacus Dujardin, 1841
               13 Genus Hyalophacus Pringsheim, 1936
               14 Genus Lepocinclis Perty, 1849
               15 Genus Cryptoglena Ehrenberg, 1832