organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Coelomata see [unranked] Coelomates Hyman, 1951
           Series Protostoma
             Phylum Annelida Lamarck, 1809 - segmented worms
               Genus Aphrodite Leske, 1775 see Genus Aphrodita Linnaeus, 1758
               Genus Chaetopterus Cuvier, 1830
               Genus Eunice Cuvier, 1817
               Genus Hirudo Linnaeus, 1758
               Genus Lumbricus Linnaeus, 1758
               Genus Macrobdella Verrill, 1872
               Genus Megascolides McCoy, 1878
               Genus Myzostoma Leuckart, 1829 see Genus Myzostomum Leuckart, 1827
               Genus Nereis Linnaeus, 1758
               Genus Tubifex Lamarck, 1816
               1 Class Polychaeta Grube, 1850 - polychaetes
               2 Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata
               3 Class Hirudinea Lamarck, 1818 - leeches see Subclass Hirudinida
               4 Class Myzostomaria see Order Myzostomida