Kingdom Animalia Linnaeus, 1758 - animals
   01 Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
   02 Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   03 Phylum Placozoa Grell, 1971
   04 Phylum Monoblastozoa see Phylum Mesozoa van Beneden, 1876
   05 Phylum Rhombozoa Krohn, 1839
   06 Phylum Orthonectida Giard, 1880 - orthonectids
   07 Phylum Porifera Grant, 1836 - sponges
   08 Phylum Cnidaria Hatschek, 1888 - cnidarians
   09 Phylum Ctenophora Eschscholtz, 1829 - comb jellies
   10 Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
   11 Phylum Nemertea Schultze, 1851 - ribbon worms
   12 Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
   13 Phylum Gastrotricha Metschnikoff, 1864 - gastrotrichs
   14 Phylum Kinorhyncha Reinhard, 1887 - kinorhynchs
   15 Phylum Nematoda Gegenbaur, 1859 - round worms
   16 Phylum Nematomorpha Vejdovsky, 1886 - horsehair worms
   17 Phylum Priapula - priapulans see Phylum Priapulida Delage & Hérouard, 1897
   18 Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771
   19 Phylum Entoprocta Nitsche, 1869 - entoprocts
   20 Phylum Gnathostomulida Ax, 1956 - gnathostomulids
   21 Phylum Loricifera Kristensen, 1983 - loriciferans
   22 Phylum Annelida Lamarck, 1809 - segmented worms
   23 Phylum Sipuncula Rafinesque, 1814 - peanut worms see Class Sipuncula
   24 Phylum Echiura Sedgwick, 1898 - spoon worms, echiurans see Class Echiura
   25 Phylum Pogonophora Johansson, 1937 - beard worms see Family Siboglinidae Caullery, 1914
   26 Phylum Vestimentifera - vestimentiferans see Class Vestimentifera
   27 Phylum Arthropoda Siebold, 1848 - arthropods
   28 Phylum Onychophora Grube, 1853 - velvet worms
   29 Phylum Tardigrada Doyère, 1840 - tardigrades
   30 Phylum Pentastomida (Diesing, 1836) - pentastomids see Subclass Pentastomida Diesing, 1836
   31 Phylum Mollusca Linnaeus, 1758 - molluscs
   32 Phylum Phoronida Hatschek, 1888 - phoronids
   33 Phylum Ectoprocta Nitsche, 1869 - ectoprocts see Phylum Bryozoa Ehrenberg, 1831
   34 Phylum Brachiopoda Duméril, 1806 - brachiopods
   35 Phylum Echinodermata Bruguière, 1789 - echinoderms
   36 Phylum Chaetognatha Leuckart, 1854 - chaetognaths
   37 Phylum Hemichordata Bateson, 1885 - hemichordates
   38 Phylum Chordata Bateson, 1885 - chordates