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 Postciliodesmatophora Gerassimova & Seravin, 1976 - desmates
           Class Karyorelictea Corliss, 1974
             Order Protoheterotrichida Nouzarède, 1977
               Family Geleiidae Kahl, 1933
                 1 Genus Avelia Nouzarède, 1977
                 2 Genus Geleia Kahl, 1933