Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Porifera Grant, 1836 - sponges
     Class Demospongiae Sollas, 1885 - demosponges
       Order Haplosclerida Topsent, 1928
         Suborder Spongillina Manconi & Pronzato, 2002 - freshwater sponges see Order Spongillida Cárdenas, Pérez & Boury-Esnault, 2012
           1 Family Lubomirskiidae Rezvoi, 1936
           2 Family Malawispongiidae Manconi & Pronzato, 2002
           3 Family Metaniidae Volkmer-Ribeiro, 1986
           4 Family Metschnikowiidae Czerniawsky, 1880 [monotypic]
           5 Family Potamolepidae Brien, 1967
           6 Family Spongillidae Gray, 1867