(Petrosiidae) (Petrosiidae) is a biological family of the class Demospongiae and order Haplosclerida.
Acanthostrongylophora
Neopetrosia
Petrosia
Strongylophora
Xestospongia
Calcifibrospongiidae
Callyspongiidae
Chalinidae
Lubomirskiidae
Malawispongiidae
Metaniidae
Metschnikowiidae
Nepheliospongiidae
Niphatidae
Petrosiidae
Phloeodictyidae
Potamolepidae
Spongillidae