chromalveolates see Supergroup Chromalveolata Adl et al., 2005
   Kingdom Protozoa Goldfuss, 1818 - protozoa
     Infrakingdom Alveolata Cavalier-Smith, 1991 see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Ciliophora Doflein, 1901 - ciliates
         Subphylum Postciliodesmatophora Gerassimova & Seravin, 1976 - desmates
           Class Heterotrichea Stein, 1859
             1 Genus Stentor Oken, 1815
             2 Genus Folliculina Lamarck, 1816
             3 Genus Blepharisma Perty, 1849
             4 Genus Condylostoma Bory de St. Vincent, 1826