Order
Haplosclerida
Haplosclerida
3 species in this taxon
order of sponges Haplosclerida (Haplosclerida) is an order comprising closely related families of organisms. It contains 3 families with 3 known species. This includes the family groups Chalinidae, Petrosiidae, and Phloeodictyidae. It belongs to Demospongiae (Demospongiae).