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
                 Family Loxocephalidae A.W. Jankowski, 1964
                   1 Genus Balanonema Kahl, 1931, nom. nud.
                   2 Genus Cardiostomatella Corliss, 1960
                   3 Genus Paraloxocephalus Small & Lynn, 1985
                   4 Genus Loxocephalus Eberhard, 1862
                   5 Genus Paradexiotricha Grolière, 1975
                   6 Genus Paratetrahymena Thompson, 1963
                   7 Genus Dexiotricha Stokes, 1885