Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Spiralia Schleip, 1929
                                           Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                             Clade Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                                               Clade Trochozoa Beklemischev, 1944 - trochozoans
                                                 Phylum Annelida Lamarck, 1809 - segmented worms
                                                   Class Clitellata Michaelsen, 1919
                                                     "oligochaetous Clitellata" [paraphyletic]
                                                       Subclass Tubificata Jamieson, 1988
                                                         Order Tubificidaᵀ
                                                           Family Naididae Ehrenberg, 1828 - naidids
                                                             Subfamily Tubificinae Vejdovský, 1876
                                                               Genus Tubifexᵀ Lamarck, 1816
                                                                 01 Tubifex bazikalovae Chekanovskaya
                                                                 02 Tubifex costatus Claparède, 1863
                                                                 03 Tubifex fissidens Holmquist, 1983
                                                                 04 Tubifex hubsugulensis Semernoy, 1980
                                                                 05 Tubifex ignotus (Štolc, 1886)
                                                                 06 Tubifex longipenis Brinkhurst, 1965
                                                                 07 Tubifex minutus Cekanovskaja, 1975
                                                                 08 Tubifex nerthus Michaelsen, 1908
                                                                 09 Tubifex newaensis (Michaelsen, 1903)
                                                                 10 Tubifex newfei Pickavance & Cook, 1971
                                                                 11 Tubifex pseudogaster (Dahl, 1960)
                                                                 12 Tubifex tubifex (Müller, 1774)