Chelophyes Appendiculata
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Chelophyes Appendiculata
''Chelophyes'' is a genus of hydrozoans belonging to the family Diphyidae The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores (swimming bells) arranged one behind the other. The front one includes a somatocyst (extension of the gastrovascular system), while the hind one d .... Species: *'' Chelophyes appendiculata'' *'' Chelophyes contorta'' References Diphyidae Hydrozoan genera {{Siphonophorae-stub ...
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Hydrozoa
Hydrozoa (hydrozoans; ) are a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water. The colonies of the colonial species can be large, and in some cases the specialized individual animals cannot survive outside the colony. A few genera within this class live in freshwater habitats. Hydrozoans are related to jellyfish and corals and belong to the phylum Cnidaria. Some examples of hydrozoans are the freshwater jelly (''Craspedacusta sowerbyi''), freshwater polyps ('' Hydra''), ''Obelia'', Portuguese man o' war (''Physalia physalis''), chondrophores (Porpitidae), "air fern" (''Sertularia argentea''), and pink-hearted hydroids (''Tubularia''). Anatomy Most hydrozoan species include both a polyp (zoology), polypoid and a medusa (biology), medusoid stage in their lifecycles, although a number of them have only one or the other. For example, ''Hydra'' has no medusoid stage, while ''Liriope tetraphylla, Lir ...
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Diphyidae
The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores (swimming bells) arranged one behind the other. The front one includes a somatocyst (extension of the gastrovascular system), while the hind one does not. The somatocyst often contains an oil droplet for buoyancy control. A nectosac (central cavity with muscular walls) in each nectophore allows the organism to swim efficiently. Systematics The World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialis ... includes the following taxa in the family Diphyidae: *Subfamily Diphyinae Quoy & Gaimard, 1827 ** Genus '' Chelophyes'' Totton, 1932 *** '' Chelophyes appendiculata'' (Eschscholtz, 1829) *** '' Chelophyes contorta'' (Lens & van Riemsdijk, 1908) ** Genus '' Di ...
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Chelophyes Appendiculata
''Chelophyes'' is a genus of hydrozoans belonging to the family Diphyidae The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores (swimming bells) arranged one behind the other. The front one includes a somatocyst (extension of the gastrovascular system), while the hind one d .... Species: *'' Chelophyes appendiculata'' *'' Chelophyes contorta'' References Diphyidae Hydrozoan genera {{Siphonophorae-stub ...
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Chelophyes Contorta
''Chelophyes'' is a genus of hydrozoans belonging to the family Diphyidae. Species: *''Chelophyes appendiculata ''Chelophyes'' is a genus of hydrozoans belonging to the family Diphyidae The Diphyidae are a family of siphonophores. These are colonial siphonophores with two nectophores (swimming bells) arranged one behind the other. The front one include ...'' *'' Chelophyes contorta'' References Diphyidae Hydrozoan genera {{Siphonophorae-stub ...
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