organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
         1 Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
         1.n.1 Phylum Rhynchocoela Schulze, 1850 see Phylum Nemertini
         1.n.2 Phylum Gnathostomulida Ax, 1956 - gnathostomulids
         1.n.3.1 Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771
         1.n.3.2 Phylum Entoprocta Nitsche, 1869 - entoprocts
         1.n.3.3.1 Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
         1.n.3.3.2 Phylum Gastrotricha Metschnikoff, 1864 - gastrotrichs
         1.n.3.3.3 Phylum Kinorhyncha Reinhard, 1887 - kinorhynchs
         1.n.3.3.4 Phylum Nematoda Gegenbaur, 1859 - round worms
         1.n.3.3.5 Phylum Nematomorpha Vejdovsky, 1886 - horsehair worms
         1.n.4.1 Phylum Mollusca Linnaeus, 1758 - molluscs
         1.n.4.2 Phylum Priapulida Delage & Hérouard, 1897 - priapulids
         1.n.4.3 Phylum Sipuncula Rafinesque, 1814 - peanut worms see Class Sipuncula
         1.n.4.3.n.1 Phylum Echiura Sedgwick, 1898 - spoon worms, echiurans see Class Echiura
         1.n.4.3.n.2 Phylum Pogonophora Johansson, 1937 - beard worms see Family Siboglinidae Caullery, 1914
         1.n.4.3.n.3 Phylum Annelida Lamarck, 1809 - segmented worms
         1.n.4.3.n.3.n.1 Phylum Pentastomida (Diesing, 1836) - pentastomids see Subclass Pentastomida Diesing, 1836
         1.n.4.3.n.3.n.2 Phylum Onychophora Grube, 1853 - velvet worms
         1.n.4.3.n.3.n.2.n Phylum Arthropoda Siebold, 1848 - arthropods
         1.n.4.3.n.3.n.3 Phylum Tardigrada Doyère, 1840 - tardigrades