porifera name definition
Definition of PORIFERA. : 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.ew Latin, from Latin porus pore + -i- + -fera, neuter plural of-fer-ferous. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis. Note that some information is displayed differently in the Unabridged.
poriferan. n. 1. (Animals) any invertebrate of the phylum Porifera, which comprises the sponges. adj. 2. (Animals) of, relating to, or belonging to the phylum Porifera.oun. 1. poriferan-primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies. parazoan, sponge. invertebrate-any animal lacking a backbone or notochord; the term is not used as a scientific classification.