Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] 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
             [Phylum Actinopoda Calkins, 1902]
               [Class Heliozoa]
                 1.0 [Order Desmothoraca]
                 3.0 [Order Sticholonchidea A. Hollande, M. Cachon & J. Valentin, 1967] see Order Taxopodida Fol, 1883