| Haplosclerida | |
|---|---|
| |
| Callyspongia crassa | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Subclass: | Heteroscleromorpha |
| Order: | Haplosclerida Topsent, 1928 |
| Families | |
|
See text | |
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
- ^ "WoRMS - World Register of Marine Species - Haplosclerida". www.marinespecies.org. Retrieved 2021-11-05.