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 Colpodea Small & Lynn, 1981
             Order Colpodidaᵀ de Puytorac et al., 1974
               1 Family Grossglockneriidae Foissner, 1980
               2 Family Marynidae Poche, 1913
               3 Family Colpodidaeᵀ Bory de St. Vincent, 1826
               4 Family Hausmanniellidae Foissner, 1987
               5 Family Bardeliellidae Foissner, 1984