eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
     Subkingdom Sarcomastigota Cavalier-Smith, 1983 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021
       Infrakingdom Sulcozoa Cavalier-Smith, 2012 [monotypic] see [unranked] dorsates Cavalier-Smith, 2021
         Phylum Sulcozoa Cavalier-Smith, 2012 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021
           Subphylum Planomonada Cavalier-Smith, 2021 [monotypic] see Class Planomonadea Cavalier-Smith, 2021
             Class Planomonadea Cavalier-Smith, 2021 [monotypic]
               Order Planomonadida Cavalier-Smith, 2008 - planomonads
                 Genus Fabomonas Glücksman, Snell & Cavalier-Smith, 2012