Bryozoan - A minute animal of the phylum Bryzoa, commonly called moss animals because the colonies they form and live in resemble small clumps of moss.
Any member of the phylum Bryozoa, which consists of tiny moss-like water animals that live in colonies.
sessile aquatic animal forming mosslike colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
a tiny, invertebrate marine animal that can live its entire life on a single grain of sand
A small aquatic colonial invertebrate. Forms commonly found as fossils may resemble small twigs.
Twig-like or fan-shaped fossils that are actually the colonial skeletons of tiny marine organisms (Image).
A tiny marine invertebrate that forms a crust-like colony; colonies of bryozoans may look like scaly sheets on seaweed.