Etymology
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Porifera (n.)

"the sponges," as an animal division or class, 1843, Modern Latin, literally "bearing pores," neuter plural of porifer, from Latin porus "pore, opening" (see pore (n.)) + -fer "bearing" (from PIE root *bher- (1) "to carry"). So called for the numerous pores which perforate the body-wall. Related: Poriferal; poriferous.

updated on September 04, 2020

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Definitions of Porifera from WordNet

Porifera (n.)
coextensive with the subkingdom Parazoa: sponges;
Synonyms: phylum Porifera
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.