Kingdom Animalia Linnaeus, 1758 - animals
   01 Phylum Placozoa Grell, 1971
   02 Phylum Porifera Grant, 1836 - sponges
   03 Phylum Symplasma (Reiswig & Mackie, 1983) Bergquist, 1985 see Subphylum Symplasma Reiswig & Mackie, 1983
   04 Phylum †Archaeocyathida Okulitch, 1935
   05 Phylum †Tribrachidia
   06 Phylum †Trilobozoa Fedonkin, 1985 see Class Trilobozoa
   07 Phylum Cnidaria Hatschek, 1888 - cnidarians
   08 Phylum Ctenophora Eschscholtz, 1829 - comb jellies
   09 Phylum Nemertea Schultze, 1851 - ribbon worms
   10 Phylum Gnathostomulida Ax, 1956 - gnathostomulids
   11 Phylum Rhombozoa Krohn, 1839
   12 Phylum Orthonectida Giard, 1880 - orthonectids
   13 Phylum Gastrotricha Metschnikoff, 1864 - gastrotrichs
   14 Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
   15 Phylum Nemata Cobb, 1919 see Phylum Nematoda Gegenbaur, 1859
   16 Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771
   17 Phylum Cephalorhyncha Malakhov, 1980
   18 Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
   19 Phylum †Agmata E.L. Yochelson, 1977 see Order Volborthellida
   20 Phylum Mollusca Linnaeus, 1758 - molluscs
   21 Phylum Annelida Lamarck, 1809 - segmented worms
   22 Phylum Pogonophora Johansson, 1937 - beard worms see Family Siboglinidae Caullery, 1914
   23 Phylum Vestimentifera - vestimentiferans see Class Vestimentifera
   24 Phylum Echiura Sedgwick, 1898 - spoon worms, echiurans see Class Echiura
   25 Phylum Sipuncula Rafinesque, 1814 - peanut worms see Class Sipuncula
   26 Phylum Arthropoda Siebold, 1848 - arthropods
   27 Phylum Onychophora Grube, 1853 - velvet worms
   28 Phylum Tardigrada Doyère, 1840 - tardigrades
   29 Phylum Phoronida Hatschek, 1888 - phoronids
   30 Phylum Ectoprocta Nitsche, 1869 - ectoprocts see Phylum Bryozoa Ehrenberg, 1831
   31 Phylum Entoprocta Nitsche, 1869 - entoprocts
   32 Phylum Brachiopoda Duméril, 1806 - brachiopods
   33 Phylum Echinodermata Bruguière, 1789 - echinoderms
   34 Phylum Chaetognatha Leuckart, 1854 - chaetognaths
   35 Phylum Hemichordata Bateson, 1885 - hemichordates
   36 Phylum Chordata Bateson, 1885 - chordates