Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order Poecilosclerida Topsent, 1928
         1 Family Myxillidae Lundbeck, 1905
         2 Family Tedaniidae Ridley & Dendy, 1886
         3 Family Cladorhizidae Dendy, 1922
         4 Family Amphilectidae de Laubenfels, 1936 see Family Esperiopsidae Hentschel, 1923
         5 Family Latrunculiidae Topsent, 1922
         6 Family Acarniidae de Laubenfels, 1936 see Family Myxillidae Lundbeck, 1905
         7 Genus †Oppligera de Laubenfels, 1955
         8 Genus †Makiyama de Laubenfels, 1955