eukaryotes see Domain Eukaryota Chatton, 1925
Count: [*] 5k;19p;46c;38o;14f;97g;2s
   Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
  Count: [*] 11p;36c;22o;11f;93g;1s
     Subkingdom Sarcomastigota Cavalier-Smith, 1983 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021
    Count: [*] 5p;19c;11o;6f;37g [28 Dec 2023]
       Infrakingdom Sulcozoa Cavalier-Smith, 2012 [monotypic] see [unranked] dorsates Cavalier-Smith, 2021
      Count: [*] 1p;4c;4o;10g [18 Dec 2023]
         Phylum Sulcozoa Cavalier-Smith, 2012 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021
        Count: [*] 4c;4o;10g [18 Dec 2023]
           Subphylum Varisulca Cavalier-Smith, 2012 [sister group to excluded taxa] see [unranked] Varisulca Cavalier-Smith, 2012
          Count: [*] 3c;3o;6g [18 Dec 2023]
             Class Hilomonadea Cavalier-Smith, 2008 [monotypic]
            Count: [*] 1o;2g [18 Dec 2023]
               Order Rigifilida Cavalier-Smith, 2012
              Count: [*] 2g [18 Dec 2023]
                 1 Genus Rigifila Yabuki & Cavalier-Smith, 2012
                Count: -
                 2 Genus Micronuclearia Mikrjukov & Mylnikov, 2001
                Count: -