[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Supergroup Excavata Cavalier-Smith, 2002 see [unranked] Excavata Cavalier-Smith, 2002
       Euglenozoa Cavalier-Smith, 1981 see Phylum Euglenozoa Cavalier-Smith, 1981
         Euglenida Bütschli, 1884
           Euglenea Bütschli, 1884
             Genus Euglena C.G. Ehrenberg, 1830