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entoproct

[en-tuh-prokt] /ˈɛn təˌprɒkt/
noun, Zoology
1.
any of various sessile, chiefly marine, mosslike animals of the phylum Entoprocta (formerly a subphylum of Bryophyta), occasionally solitary polyps but usually forming branching colonies, each individual polyp having an almost closed ring of tentacles within which lie the mouth and anus.
adjective
2.
belonging or pertaining to the phylum Entoprocta.
Also called endoproct.
Compare ectoproct.
Origin
1935-1940
1935-40; see Entoprocta
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Article for entoproct

Entoprocta

any member of the phylum Entoprocta, a group of aquatic invertebrate animals, composed of more than 100 species. Entoprocts occur throughout the world, primarily in marine habitats, although one genus, Urnatella, is a freshwater form. Entoprocts may either exist singly or form colonies of communicating members, called zooids, by budding. The zooids measure only about 0.4 to 5 mm (0.016 to 0.2 inch) in height. Each of them has a stalk (peduncle), which may be jointed, that attaches to shells, seaweed, or to other animals, such as sponges, bryozoans, hydroids, and segmented worms, that produce water currents

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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