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:
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Calcifibrospongiidae Hartman, 1979
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Callyspongiidae de Laubenfels, 1936
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Chalinidae Gray, 1867
*
Niphatidae Van Soest, 1980
*
Petrosiidae Van Soest, 1980
*
Phloeodictyidae Carter, 1882
References
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