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 Postciliodesmatophora Gerassimova & Seravin, 1976 - desmates
           Class Karyorelictea Corliss, 1974
             Order Protostomatida Small & Lynn, 1985
               1 Family Kentrophoridae Jankowski, 1980
               2 Family Trachelocercidae Kent, 1881