Wikipedia
Haplosclerida
The Haplosclerida are an order of demosponges. This order includes both freshwater and marine species. It contains the following suborders and families:
- Suborder Haplosclerina
- Family Callyspongiidae de Laubenfels, 1936
- Family Chalinidae Gray, 1867
- Family Niphatidae Van Soest, 1980
- Suborder Petrosina
- Family Calcifibrospongiidae Hartman, 1979
- Family Petrosiidae Van Soest, 1980
- Family Phloeodictyidae Carter, 1882
- Suborder Spongillina
- Family Lubomirskiidae Rezvoi, 1936
- Family Malawispongiidae Manconi & Pronzato, 2002
- Family Metaniidae Volkmer-Ribeiro, 1986
- Family Metschnikowiidae Czerniawsky, 1880
- Family Palaeospongillidae Volkmer-Ribeiro & Reitner, 1991
- Family Potamolepidae Brien, 1967
- Family Spongillidae Gray, 1867
- Family Spongillina incertae sedis Manconi & Pronzato, 2002