From MarineSpecies Introduced Traits Wiki
phylum of small marine and freshwater colonial animals, which superficially resemble mosses, hence the common name of moss animals. A colony is composed of zooids each bearing a crown of ciliated tentacles (a lophophore), and living in a horny, calcareous or gelatinous case. (formerly) Bryozoa, bryozoans, Polyzoa.
- Lawrence, E. (2005). Henderson’s dictionary of biology. Pearson Education Limited, 13th ed., Harlow. 748 p.