organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
  Count: 1k;12p;37c;157o;717f;2996g;586s; †2o;1g
     alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
    Count: 3p;17c;79o;361f;1087g;202s
       Phylum Ciliophora Doflein, 1901 - ciliates
      Count: [o] 10c;57o;258f;679g;1s
         Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
        Count: [o] 8c;52o;245f;647g;1s
           Class Litostomatea Small & Lynn, 1981
          Count: [o] 5o;26f;74g
             Subclass Haptoria Corliss, 1974
            Count: [f] 3o;16f;50g
               Order Haptoridaᵀ Corliss, 1974
              Count: [f] 13f;38g
                 Family Spathidiidae Kahl, 1929
                Count: 9g
                   1 Genus Bryophyllum Kahl, 1931
                  Count: -
                   2 Genus Perispira Stein, 1859
                  Count: -
                   3 Genus Myriokaryon Jankowski, 1973
                  Count: -
                   4 Genus Cranotheridium Schewiakoff, 1892
                  Count: -
                   5 Genus Protospathidium Dragesco & Dragesco-Kernéis, 1979
                  Count: -
                   6 Genus Spathidium Dujardin, 1841
                  Count: -
                   7 Genus Supraspathidium Foissner & Didier, 1981
                  Count: -
                   8 Genus Arcuospathidium Foissner, 1984
                  Count: -
                   9 Genus Epispathidium Foissner, 1984
                  Count: -