[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Porifera Grant, 1836 - sponges
     Class Demospongiae Sollas, 1885 - demosponges
       Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
         Order Poecilosclerida Topsent, 1928
           Suborder Myxillina Hajdu, van Soest & Hooper, 1994
             1 Family Tedaniidae Ridley & Dendy, 1886
             2 Family Myxillidae Lundbeck, 1905
             3 Family Iotrochotidae Dendy, 1922
             4 Family Crambeidae Lévi, 1963
             5 Family Desmacididae Schmidt, 1870
             6 Family Dendoricellidae Hentschel, 1923
             7 Family Coelosphaeridae Dendy, 1922
             8 Family Crellidae Dendy, 1922
             9 Family Hymedesmiidae Topsent, 1928