(Demospongiae) (Demospongiae) is a biological class of the kingdom Animalia and phylum Porifera.
Agelasida
Astrophorida
Chondrosida
Dendroceratida
Dictyoceratida
Hadromerida
Halichondrida
Halisarcida
Haplosclerida
Lithistida
Poecilosclerida
Spirophorida
Verongida
Verticillitida
Calcarea
Demospongiae
Hexactinellida
Homoscleromorpha