Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               "neokaryotes" - mitochondrial eukaryotes
                 "neozoa"
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Chromista Caval.-Sm. (1981) - chromists
                       Subkingdom Harosa Cavalier-Smith, 2010
                         Infrakingdom Rhizaria Cavalier-Smith, 2002
                           Phylum Cercozoa Cavalier-Smith, 1998
                             Subphylum Monadofilosaᵀ Cavalier-Smith, 1997
                               Class Sarcomonadea (T. Cavalier-Smith, 1993) T. Cavalier-Smith, 1995
                                 Order Cercomonadida Poche, 1913 - cercomonads
                                   1 ?Family Heteromitidae Kent, 1880
                                   2 Family Cercomonadidaeᵀ Kent, 1880