organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     flagellated protists
       residual free-living and predatory heterotrophic flagellates
         Family Kathablepharidae Vørs, 1992, orth. zool.
           1 Genus Kathablepharis Skuja, 1939
           2 Genus Leucocryptos Butcher, 1967
           3 Genus Platychilomonas Larsen & Patterson, 1990