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
               [Bikonta]
                 ?[Supergroup Excavata Cavalier-Smith, 2002] see [unranked] Excavata Cavalier-Smith, 2002
                   [Phylum Parabasalia Honigberg, 1973] see Infraphylum Parabasalia Honigberg, 1973
                     [Class Tritrichomonadea Cepicka, Hampl & Kulda, 2010 [monotypic]] see Order Tritrichomonadida Cepicka, Hampl & Kulda, 2010