1. Marine or freshwater animals that form colonies of zooids
   "polyzoa colonies can be found encrusting rocks in many coastal areas";
   - Bryozoa, phylum Bryozoa

1. Sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
   "polyzoans are sometimes called moss animals due to their appearance";
   - bryozoan, sea mat, sea moss, moss animal

Type of: invertebrate, phylum

Part of: animal kingdom, Animalia, kingdom Animalia

Encyclopedia: Polyzoa