[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
     Class Euglenophyceae W. Schoenichen (1925) see Class Euglenoidea Bütschli, 1884
       Genus Euglena C.G. Ehrenberg, 1830
         Euglena viridis Ehrenberg