
1) Animal order 2) Order siphonophora
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https://www.crosswordclues.com/clue/siphonophora

• (n. pl.) An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others as reproductive zooids. See Illust. under Physallia, and Porpita.Siphonophora: words in the def...
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http://thinkexist.com/dictionary/meaning/siphonophora/

(from the article `cnidarian`) ...and dactylozooids project through pores in surface of skeleton. Reduced, acraspedote (lacking a velum) nonfeeding medusae are released. ... ...dactylozooids, tentacleless polyps heavily armed with nematocysts that seem primarily concerned with defense. Gonozooids develop reproductive ... [2 related a...
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http://www.britannica.com/eb/a-z/s/101

<zoology> An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others as reproductive zooids. ... Origin: NL, fr. Gr. A siphon + to bear. ... Source: Websters Dictio...
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http://www.encyclo.co.uk/local/20973
Si`pho·noph'o·ra noun plural [ New Latin , from Greek ......... a siphon + ............ to bear.]
(Zoology) An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming or...
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http://www.encyclo.co.uk/webster/S/109

Siphonophora is an order of Hydrozoa. They are pelagic, colonial animals which show marked polymorphism.
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http://www.probertencyclopaedia.com/browse/BSA.HTM

[
n] - marine colonial hydrozoans
Found on
http://www.webdictionary.co.uk/definition.php?query=Siphonophora
order Siphonophora noun marine colonial hydrozoans
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https://www.encyclo.co.uk/local/20974
No exact match found.