Porifera
plural noun
Po·rif·era
pəˈrif(ə)rə,
pōˈr-
: a phylum of primitive invertebrate animals comprising the sponges and having a cellular grade of construction without true tissue or organ formation but with the body permeated by canals and chambers through which a current of water flows and passes in its course through one or more cavities lined with choanocytes
poriferal
adjective
-rəl
poriferan
adjective or noun
-rən
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Merriam-Webster unabridged
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