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 Diplotesticulata
                                                         Superorder Metagynophora Jamieson, 1988 [monotypic]
                                                           Order Opisthopora
                                                             Suborder Crassiclitellata
                                                               Cohort Terrimegadrili Jamieson, 1988
                                                                 Superfamily Megascolecoidea
                                                                   Family Octochaetidae Michaelsen, 1900
                                                                     Genus Eutyphoeus Michaelsen, 1900
                                                                       Eutyphoeus coaltoni Michaelsen, 1907
                                                                       Eutyphoeus comillahnus Michaelsen, 1907
                                                                       Eutyphoeus gammiei (Beddard, 1888)
                                                                       Eutyphoeus gigas (Stephenson, 1917)
                                                                       Eutyphoeus incommodus (Beddard, 1901)
                                                                       Eutyphoeus masoni (Bourne, 1889)
                                                                       Eutyphoeus nicholsoni (Beddard, 1901)
                                                                       Eutyphoeus orientalis (Beddard, 1883)
                                                                       Eutyphoeus quadripapillatus Michaelsen, 1907
                                                                       Eutyphoeus scutarius Michaelsen, 1907