What is "polyzoa"

Polyzoa \Pol`y*zo"a\, n. pl. [NL., fr. Gr. poly`s many + zo^,on an animal.] (Zo["o]l.) Same as Bryozoa. See Illust. under Bryozoa, and Phylactol[ae]mata.

Polyzoon \Pol`y*zo"["o]n\, n.; pl. Polyzoa. [NL. See Polyzoan.] (Zo["o]l.) One of the individual zooids forming the compound organism of a polyzoan.

Bryozoa \Bry`o*zo"a\, n. pl. [NL., fr. Gr. ? moss + ? animal.] (Zo["o]l.) A class of Molluscoidea, including minute animals which by budding form compound colonies; -- called also Polyzoa.

Note: They are often coralike in form and appearance, each small cell containing an individual zooid. Other species grow in delicate, flexible, branched forms, resembling moss, whence the name. Some are found in fresh water, but most are marine. The three principal divisions are Ectoprocta, Entoprocta, and Pterobranchia. See Cyclostoma, Chilostoma, and Phylactolema.

n. 1 (plural of polyzoon English)Category:English plurals, tiny animals that form compound colonies 2 (context zoology English) The class of molluscs that the above belong to

n. marine or freshwater animals that form colonies of zooids [syn: Bryozoa, phylum Bryozoa]

1. n. 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 [syn: bryozoan, sea mat, sea moss, moss animal]

2. [also: polyzoa (pl)]

See polyzoan

Polyzoa is a genus of ascidian tunicates in the family Styelidae. In old literature it was used as the name of the Phylum Bryozoa.

Species within the genus Polyzoa include:

• Polyzoa atlantica Sanamyan et al., 2009
• Polyzoa exigua Kott, 1990
• Polyzoa insularis Millar, 1967
• Polyzoa minor Monniot, 1970
• Polyzoa nodosa Kott, 1990
• Polyzoa opuntia Lesson, 1830
• Polyzoa pacifica Tokioka, 1951
• Polyzoa translucida Ritter & Forsyth, 1917
• Polyzoa vesiculiphora Tokioka, 1951
• Polyzoa violacea (Oka, 1915)

Species names currently considered to be synonyms:

• Polyzoa coccinea (Cunningham, 1871): synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa depressa (Oka, 1926): synonym of Polyzoa violacea (Oka, 1915)
• Polyzoa falclandica Michaelsen, 1900: synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa falklandica Michaelsen, 1900: synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa gordiana Michaelsen, 1900: synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa herdmani Michaelsen, 1900: synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa lennoxensis Michaelsen, 1900: synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa pictonis Michaelsen, 1900: synonym of Polyzoa opuntia Lesson, 1830
• Polyzoa reticulata (Herdman, 1886): synonym of Chorizocormus reticulatus Herdman, 1886
• Polyzoa sagamiana Tokioka, 1953: synonym of Polyzoa violacea (Oka, 1915)