living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Annelida Lamarck, 1809 - segmented worms
           Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata
             Order Haplotaxida
               Suborder Lumbricina see Suborder Crassiclitellata
                 Superfamily Megascolecoidea
                   Family Megascolecidae Rosa, 1891
                     Subfamily Octochaetinae Michaelsen, 1900 see Family Octochaetidae Michaelsen, 1900
                       Genus Megascolides McCoy, 1878
                         Megascolides australis McCoy, 1878