[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Subdivision Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Section Pseudocoelomata
             1 Phylum Entoprocta Nitsche, 1869 - entoprocts
             2 Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
             3 Phylum Gastrotricha Metschnikoff, 1864 - gastrotrichs
             4 Phylum Kinorhyncha Reinhard, 1887 - kinorhynchs
             5 Phylum Nematoda Gegenbaur, 1859 - round worms
             6 Phylum Nematomorpha Vejdovsky, 1886 - horsehair worms
             7 Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771