Porifera

From Biology-Online Dictionary | Biology-Online Dictionary

porifera

(Science: zoology) A grand division of the invertebrata, including the sponges; called also spongiae, Spongida, and spongiozoa. The principal divisions are Calcispongiae, keratosa or fibrospongiae, and silicea.

Origin: NL, fr. L. Porus pore _ ferre to bear.