organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Ciliophora Doflein, 1901 - ciliates
         Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
           Class Litostomatea Small & Lynn, 1981
             Subclass Haptoria Corliss, 1974
               Order Pleurostomatida Schewiakoff, 1896
                 Family Litonotidae Kent, 1882
                   1 Genus Loxophyllum Dujardin, 1841
                   2 Genus Siroloxophyllum Foissner & Leipe, 1995
                   3 Genus Litonotus Wrzesniowski, 1870
                   4 Genus Acineria Dujardin, 1841