Freshwater Sponges

a group of invertebrates of the order Cornacuspongida. There are as many as 28 genera of freshwater sponges. Particularly widespread are sponges of the family Spongillidae. Other important freshwater sponges are the Lubomirskiidae, Ochridospongia, and Potomolepidae. The last family is encountered in the freshwaters of Africa.