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Haplosclerida 
Summary
Haplosclerida is an order of demosponges. It contains the following families:[1]
- Calcifibrospongiidae Hartman, 1979
- Callyspongiidae de Laubenfels, 1936
- Chalinidae Gray, 1867
- Niphatidae Van Soest, 1980
- Petrosiidae Van Soest, 1980
- Phloeodictyidae Carter, 1882
| Haplosclerida | |
|---|---|
| |
| Callyspongia crassa | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Subclass: | Heteroscleromorpha |
| Order: | HaploscleridaTopsent, 1928
Families
See text
References
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