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 Prostomatea Schewiakoff, 1896
             Order Prorodontida Corliss, 1974
               Family Colepidae Ehrenberg, 1838
                 1 Genus Tiarina Bergh, 1881
                 2 Genus Plagiopogon Stein, 1859
                 3 Genus Macrocoleps Obolkina, 1995
                 4 Genus Coleps Nitzsch, 1827
                 5 Genus Planicoleps Dragesco & Dragesco-Kernéis, 1991