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
               Kinetoplastea Honigberg, 1963
                 Prokinetoplastina Vickerman, in Moreira et al., 2004
                   Genus Perkinsiella Hollande, 1981, nom. illeg.