Axinellida 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 in the subclass Heteroscleromorpha. The order contains the families

Axinellidae Axinellidae is a family of sponges in the order Axinellida. This family includes some photo-synthetic sponges that occur throughout the world's coral reefs. They are amongst the more common sponges seen in the aquarium trade but are usually not ...

Heteroxyidae Heteroxyidae is a family of sponges belonging to the order Axinellida. Genera: * ''Acanthoclada'' Bergquist, 1970 * ''Alloscleria'' Topsent, 1927 * ''Alveospongia'' Santos, Pinheiro, Hajdu & Van Soest, 2016 * ''Desmoxya'' * ''Didiscus'' Dendy, 1 ...

Raspailiidae Raspailiidae is a family of sponges belonging to the order Axinellida Axinellida is an order of demosponges in the subclass Heteroscleromorpha Heteroscleromorpha is a subclass of demosponges within the phylum Porifera Sponges, the me ...

, and

Stelligeridae Stelligeridae is a family of sponges belonging to the order Axinellida Axinellida is an order of demosponges in the subclass Heteroscleromorpha Heteroscleromorpha is a subclass of demosponges within the phylum Porifera Sponges, the m ...

References

* Morrow, C.; Picton, B.; Erpenbeck, D.; Boury-Esnault, N.; Maggs, C.; Allcock, A. (2012). Congruence between nuclear and mitochondrial genes in Demospongiae: A new hypothesis for relationships within the G4 clade (Porifera: Demospongiae). Molecular Phylogenetics and Evolution, 62(1), pages 174-190.,

External links

* *
Axinellida at the World Register of Marine Species (WoRMS)
Heteroscleromorpha Sponge orders {{demosponge-stub