Multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera.

synonym: subkingdom Parazoa.

Polish: nietkankowce, nibytkankowce, przedtkankowce

Primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies.

synonyms: poriferan, sponge.

Dutch: sponzen, spons
Polish: gąbka