Look Alikes
(
англиски
)
добавил Invertebrates of the Salish Sea
How to Distinguish from Similar Species: Several similar genera such as Campanularia and Clytia have cusps or undulations on the rim of the hydrotheca. Orthopyxis compressa and O. integra have smooth, non-annulated pedicels
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Comprehensive Description
(
англиски
)
добавил Invertebrates of the Salish Sea
Biology/Natural History: The colonies grow in a stolon. This hydroid retains its gametes. The larvae of the pycnogonid Tanystylum duospinum live parasitically on this species.
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Habitat
(
англиски
)
добавил Invertebrates of the Salish Sea
Sometimes found abundantly on kelp
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Distribution
(
англиски
)
добавил Invertebrates of the Salish Sea
Geographical Range: British Columbia to southern California.
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Habitat
(
англиски
)
добавил Invertebrates of the Salish Sea
Depth Range: 2-77 m.
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Comprehensive Description
(
англиски
)
добавил Invertebrates of the Salish Sea
As with all thecate hydroids, the hydranth of this species is partly enclosed by a hydrotheca. The hydrotheca is bell-shaped and deeper than wide, and able to contain the entire hydranth when it contracts. There is no operculum. The rim of the hydrotheca is smooth and a diaphragm exists in the lower part of the hydrotheca. The hydranths are on slender, annulated individual stalks connected to stolons. The colony produces small medusae that may or may not be released. The medusae have no stomach.
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Orthopyxis everta
(
холандски; фламански
)
добавил wikipedia NL
Orthopyxis everta is een hydroïdpoliep uit de familie Campanulariidae. De poliep komt uit het geslacht Orthopyxis. Orthopyxis everta werd in 1876 voor het eerst wetenschappelijk beschreven door Clark.
Bronnen, noten en/of referenties Geplaatst op:
11-12-2011
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen.
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Biology
(
англиски
)
добавил World Register of Marine Species
colonial
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
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