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 Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans
             Subclass Scuticociliatia (E.B. Small, 1967)
               Order Philasterida Small, 1967
                 01 Family Thigmophryidae Chatton & Lwoff, 1926
                 02 Family Urozonidae Grolière, 1975
                 03 Family Cinetochilidae Perty, 1852
                 04 Family Loxocephalidae A.W. Jankowski, 1964
                 05 Family Pseudocohnilembidae Evans & Thompson, 1964
                 06 Family Uronematidae Thompson, 1964
                 07 Family Entorhipidiidae Madsen, 1931
                 08 Family Entodiscidae Jankowski, 1973
                 09 Family Cryptochilidae Berger, in Corliss, 1979
                 10 Family Cohnilembidae Kahl, 1933
                 11 Family Philasteridaeᵀ Kahl, 1931
                 12 Family Thyrophylacidae Berger, in Corliss, 1961
                 13 Family Paralembidae Corliss & de Puytorac, in Small & Lynn, 1985
                 14 Family Orchitophryidae Cépède, 1910
                 15 Family Parauronematidae Small & Lynn, 1985