Definitions for "Bryozoans"
Aquatic, colonial animals with branching, mossy or fan-like growth. They resemble corals but have more complex nervous, muscular and digestive systems.
Also known as moss-animals. A group of small, aquatic colonial animals. Many possess well-developed calcareous skeletons that are commonly fan-shaped, stick-like or mound-like but may also be encrusting. Sometimes form significant components of reefs.
are minute invertebrate marine colonial creatures, that constructed their common home (skeleton) from calcium carbonate; they play an important role in Miocene reefs.