Porifera Porifera Members of the Phylum Porifera are commonly called sponges. Sponges are multicellular animals that belong to the Phylum Porifera.
Sponges have many pores, holes and channels in their bodies.
The spongocoel is the internal cavity of a sponge. Food and oxygen are taken into the sponge through pores, into the s pongocoel . The osculum of a sponge is a large pore that allows water to flow out of the body of the sponge. Commercial bath sponges are made of the spongin skeleton fibers of a sponge with all living material removed. Some sponges have hard, mineralized skeletons called spicules .