Haplosclerida is an order of

demosponge Demosponges (Demospongiae) are the most diverse class in the phylum Porifera. They include 76.2% of all species of sponges with nearly 8,800 species worldwide (World Porifera Database). They are sponges with a soft body that covers a har ...

s. It contains the following families: *

Calcifibrospongiidae Calcifibrospongiidae is a family of Sponge, sponges belonging to the order Haplosclerida. The order Haplosclerida is distinguished by isodictyal skeleton (mesh shaped fibres). In general, Porifera are basal animals with bodies full of pores and chan ...

Hartman, 1979 * Callyspongiidae de Laubenfels, 1936 * Chalinidae Gray, 1867 * Niphatidae Van Soest, 1980 *

Petrosiidae Petrosiidae is a family of sponge Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channe ...

Van Soest, 1980 * Phloeodictyidae Carter, 1882

References

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