 Natura - nature
 Natura - nature
   actualia - actual entities
 actualia - actual entities
     Mundus Plinius - physical world
 Mundus Plinius - physical world
       naturalia - natural bodies
 naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
 Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
 Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
 Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
 Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
 Clade podiates Cavalier-Smith, 2012
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
 Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
 Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Protostomia Grobben, 1908
 Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Spiralia Schleip, 1929
 Superphylum Spiralia Schleip, 1929
                                           Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
 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 Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                                               Clade Trochozoa Beklemischev, 1944 - trochozoans
 Clade Trochozoa Beklemischev, 1944 - trochozoans
                                                 Phylum Annelida Lamarck, 1809 - segmented worms
 Phylum Annelida Lamarck, 1809 - segmented worms
                                                   Class Clitellata Michaelsen, 1919
 Class Clitellata Michaelsen, 1919
                                                     "oligochaetous Clitellata" [paraphyletic]
 "oligochaetous Clitellata" [paraphyletic]
                                                       Subclass Diplotesticulata
 Subclass Diplotesticulata
                                                         Superorder Metagynophora Jamieson, 1988 [monotypic]
 Superorder Metagynophora Jamieson, 1988 [monotypic]
                                                           Order Opisthopora
 Order Opisthopora
                                                             Suborder Crassiclitellata
 Suborder Crassiclitellata
                                                               Cohort Terrimegadrili Jamieson, 1988
 Cohort Terrimegadrili Jamieson, 1988
                                                                 Superfamily Megascolecoidea
 Superfamily Megascolecoidea
                                                                   Family Acanthodrilidae Claus, 1880
 Family Acanthodrilidae Claus, 1880
                                                                     Subfamily Benhamiinae
 Subfamily Benhamiinae
                                                                       Genus Millsonia Beddard, 1894
 Genus Millsonia Beddard, 1894
                                                                         Millsonia bouna Csuzdi, 2006
 Millsonia bouna Csuzdi, 2006