- sponge, poriferan, parazoan - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
--1 is a kind of subkingdom; invertebrate; subkingdom; invertebrate
--1 is a member of --1 has members: Porifera, phylum Porifera
--1 has particulars: glass sponge