life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
     Kingdom Protoctista Hogg, 1860
       "alveolates" Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
         Phylum Ciliophora Doflein, 1901 - ciliates
           Subphylum Postciliodesmatophora Gerassimova & Seravin, 1976 - desmates
             Genus Gastrostyla Engelmann, 1862
             Genus Stentor Oken, 1815
             1 Class Karyorelictea Corliss, 1974
             2 Class Spirotrichea Bütschli, 1889