moss animal
noun
- a sedentary colonial aquatic animal found chiefly in the sea, either encrusting rocks, seaweeds, or other surfaces, or forming stalked fronds. Each minute zooid filter-feeds by means of a crown of ciliated tentacles (lophophore). Also called bryozoan, polyzoan, ectoproct.
- Phylum Bryozoa (or Polyzoa, Ectoprocta)