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Internal anatomy of <I>Haliclystus antarcticus</I> (Cnidaria, Staurozoa) with a discussion on histological features used in staurozoan taxonomy

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dc.contributor.author Miranda, Lucília S. en
dc.contributor.author Collins, Allen Gilbert en
dc.contributor.author Marques, Antonio C. en
dc.date.accessioned 2014-01-13T16:22:55Z
dc.date.available 2014-01-13T16:22:55Z
dc.date.issued 2013
dc.identifier.citation Miranda, Lucília S., Collins, Allen Gilbert, and Marques, Antonio C. 2013. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F21738">Internal anatomy of Haliclystus antarcticus (Cnidaria, Staurozoa) with a discussion on histological features used in staurozoan taxonomy</a>." <em>Journal of Morphology</em>. 247 (12):1365&ndash;1383. <a href="https://doi.org/10.1002/jmor.20185">https://doi.org/10.1002/jmor.20185</a> en
dc.identifier.issn 0362-2525
dc.identifier.uri http://hdl.handle.net/10088/21738
dc.description.abstract Stauromedusae have relatively few macromorphological characters, making both their taxonomy and identification difficult. For this reason, histological characters are also employed in the taxonomy of the group. This study presents a detailed description of the histomorphology of Haliclystus antarcticus Pfeffer, 1889 (Cnidaria, Staurozoa). We make new observations for the species and for the class, and address functional, taxonomical, and evolutionary aspects of staurozoan histo-anatomy. A complete reconstruction of H. antarcticus body plan is used to guide a more detailed observation, based on light microscopy, of structures rarely cited in the literature, such as the intertentacular lobules, the ostia between adjacent perradial pockets, and the male and female gonadal vesicles. Two possible regions of nematocyst formation are hypothesized and discussed. We also provide a review of the current use of histological characters in the taxonomy of the group. Understanding the body plan of stauromedusae is a challenge, because each single individual presents characters found in medusae and in polyps of other medusozoans. Comprehensive histological descriptions are important to establish relations of homology within Staurozoa and Cnidaria, providing crucial data on their evolution. J. Morphol., 2013. © 2013 Wiley Periodicals, Inc. en
dc.relation.ispartof Journal of Morphology en
dc.title Internal anatomy of <I>Haliclystus antarcticus</I> (Cnidaria, Staurozoa) with a discussion on histological features used in staurozoan taxonomy en
dc.type Journal Article en
dc.identifier.srbnumber 117114
dc.identifier.doi 10.1002/jmor.20185
rft.jtitle Journal of Morphology
rft.volume 247
rft.issue 12
rft.spage 1365
rft.epage 1383
dc.description.SIUnit NH-Vertebrate Zoology en
dc.description.SIUnit NMNH en
dc.description.SIUnit Peer-reviewed en
dc.citation.spage 1365
dc.citation.epage 1383


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