[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Epitheliozoa Ax, 1996
       Eumetazoa Bütschli, 1910 - eumetazoans
         Triploblastica see [unranked] Bilateria Hatschek, 1888
           Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
             Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
               Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
                 Gnathifera Ahlrichs, 1995
                   1.1 Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
                   1.2 Phylum Gnathostomulida Ax, 1956 - gnathostomulids
                   2 Phylum Chaetognatha Leuckart, 1854 - chaetognaths