Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order Haplosclerida Topsent, 1928
         1 Family Spongillidae Gray, 1867
         2 Family Haliclonidae de Laubenfels, 1932 see Family Chalinidae Gray, 1867
         3 Family Petrosiidae van Soest, 1980
         4 Family Desmacidontidae de Laubenfels, 1955 see Family Desmacididae Schmidt, 1870
         5 Genus †Esperites Carter, 1871
         6 Genus †Eurydiscites Sollas, 1880