Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Euglenida Bütschli, 1884
                 1 Heteronematina Leedale, 1967
                 2 Euglenea Bütschli, 1884
                 3 Aphagea Cavalier-Smith, 1993