World Porifera Database

Phylum Porifera Lower animals porifera Introduction to Porifera Phylum Porifera is an exclusive classification of aquatic animals It belongs to the Animalia kingdom with a sponge-like structure As porifera They can inhabit all marine and freshwater areas, stretching from the poles to the equator Approximately 4 out of 5 Porifera species live in shallow marine

porifera The Porifera are said to contain the greatest variety of sterols found in any invertebrate phylum In most sponges the predominant sterols have a Δ5,7