Dictionary > Porifera

Porifera

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.


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