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 Spirotrichea Bütschli, 1889
             Subclass Stichotrichia Small & Lynn, 1985
               Order Stichotrichidaᵀ Fauré-Fremiet, 1961
                 Family Kahliellidae Tuffrau, 1979
                   01 Genus Neogeneia Eigner, 1995
                   02 Genus Pseudokahliella Berger et al., 1985
                   03 Genus Kahliella Corliss, 1960
                   04 Genus Trachelochaeta Šrámek-Hušek, 1954
                   05 Genus Wallackia Foissner, 1977[1976]
                   06 Genus Paraurostyla Borror, 1972
                   07 Genus Parakahliella Berger et al., 1985
                   08 Genus Cladotricha Gaievskaia, 1925
                   09 Genus Parentocirrus Voss, 1997
                   10 Genus Engelmanniella Foissner, 1982
                   11 Genus Deviata Eigner, 1995