living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Bryozoa Ehrenberg, 1831 - bryozoans
           Class Gymnolaemata Allman, 1856
             Order Cheilostomata Busk, 1859 - cheilostomes
               Suborder Ascophora Findenegg, 1924
                 01 Family Umbonulidae Canu, 1904
                 02 Family Exochellidae Bassler, 1935
                 03 Family Metrarabdotosidae Vigneaux, 1949
                 04 Family Adeonidae Busk, 1884
                 05 Family Celleporariidae Harmer, 1957
                 06 Family Exechonellidae Harmer, 1957
                 07 Family Petraliidae Levinsen, 1909
                 08 Family Petraliellidae Harmer, 1957
                 09 Family Chlidoniopsidae Harmer, 1957
                 10 Family Arachnopusiidae Jullien, 1888
                 11 Family Chorizoporidae Vigneaux, 1949
                 12 Family Hippothoidae Busk, 1859
                 13 Family Cyclicoporidae Hincks, 1884
                 14 Family Euthyroididae
                 15 Family Savignyellidae Levinsen, 1909
                 16 Family Vittaticellidae
                 17 Family Pasytheidae Davis, 1934
                 18 Family Tetraplariidae Harmer, 1957
                 19 Family Watersiporidae Berning, 2006
                 20 Family Cryptosulidae Vigneaux, 1949
                 21 Family Hippoporinidae
                 22 Family Hippopodinidae Levinsen, 1909
                 23 Family Eurystomellidae Levinsen, 1909
                 24 Family Crepidacanthidae Levinsen, 1909
                 25 Family Smittinidae Levinsen, 1909
                 26 Family Escharellidae Levinsen, 1909
                 27 Family Lanceoporidae Harmer, 1957
                 28 Family Rhamphostomellidae G.A. Kluge, 1962
                 29 Family Phylactellidae Canu & Bassler, 1917
                 30 Family Teuchoporidae Neviani, 1895
                 31 Family Conescharellinidae Levinsen, 1909
                 32 Family Schizoporellidae Jullien, 1883
                 33 Family Gigantoporidae Bassler, 1935
                 34 Family Stomachetosellidae Canu & Bassler, 1917
                 35 Family Myriaporidae Gray, 1841
                 36 Family Cleidochasmatidae Cheetham & Sandberg, 1964
                 37 Family Microporellidae
                 38 Family Inversiulidae Vigneaux, 1949
                 39 Family Didymosellidae Brown, 1952
                 40 Family Porinidae D'Orbigny, 1852
                 41 Family Calwelliidae
                 42 Family Tessaradomidae Jullien, 1903
                 43 Family Adeonellidae Busk, 1884
                 44 Family Margarettidae Harmer, 1957
                 45 Family Actisecidae Harmer, 1957
                 46 Family Bifaxariidae Busk, 1884
                 47 Family Euthyrisellidae R.S. Bassler, 1953
                 48 Family Mamilloporidae Canu & Bassler, 1927
                 49 Family Orbituloporidae
                 50 Family Siphonicytaridae Harmer, 1957
                 51 Family Reteporidae Smitt, 1868
                 52 Family Celleporidae Busk, 1852
                 53 Family Buchneriidae
                 54 Family Lekythoporidae Levinsen, 1909