156 lines
18 KiB
XML
156 lines
18 KiB
XML
<document id="0D116E52D44E3BE2F1B48B851D0D5F45" ID-CLB-Dataset="32747" ID-DOI="10.11646/zootaxa.4293.1.1" ID-GBIF-Dataset="dc2674e2-e260-4b6e-ad3a-731d610bccc5" ID-ISSN="1175-5326" ID-Zenodo-Dep="828475" ID-ZooBank="6FF96B5C-1F80-47ED-9962-19603DCBF550" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1500108894142" checkinUser="plazi" docAuthor="ÁLVARO L. PEÑA CANTERO" docDate="2017" docId="C84B87CACC35FF96E8DD00DF0A6EF15C" docLanguage="en" docName="zootaxa.4293.1.1.pdf.imf" docOrigin="Zootaxa 4293 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Staurotheca" docType="treatment" docVersion="19" lastPageNumber="36" masterDocId="3472FFB2CC16FFB5E84A00470F1FF553" masterDocTitle="Benthic hydroids (Cnidaria, Hydrozoa) from the Ross Sea (Antarctica) collected by the New Zealand Antarctic expedition BioRoss 2004 with RV Tangaroa" masterLastPageNumber="65" masterPageNumber="1" pageNumber="36" updateTime="1698465181473" updateUser="ExternalLinkService">
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<mods:titleInfo id="CA8BFEBC5D9F52AE89580DAD20149563">
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<mods:title id="9C0ABC18E948FFD44D059D4F46F4BDF7">Benthic hydroids (Cnidaria, Hydrozoa) from the Ross Sea (Antarctica) collected by the New Zealand Antarctic expedition BioRoss 2004 with RV Tangaroa</mods:title>
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<mods:name id="090B5CD1EFF3FBA8D0618694717CAA75" type="personal">
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<mods:namePart id="DCAB5C4156390C3F27F378EE44EA7B6D">ÁLVARO L. PEÑA CANTERO</mods:namePart>
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<mods:title id="94CCF41D99D601A5B8EA2FC58F925A6C">Zootaxa</mods:title>
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<mods:part id="1A82EEDB87B2AC1365AC439E30258B06">
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<mods:date id="F9E26AADE065ABFBF90101FBC38776FC">2017</mods:date>
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<mods:number id="C86957AD8492B53F5332CF43275BD01A">2017-07-14</mods:number>
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<mods:number id="C40670A65D6BE2AA71E8F3D00E9095BF">4293</mods:number>
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<mods:identifier id="5ADEE20022E13B734FF86CA2680BCBC8" type="DOI">10.11646/zootaxa.4293.1.1</mods:identifier>
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<treatment id="C84B87CACC35FF96E8DD00DF0A6EF15C" ID-DOI="http://doi.org/10.5281/zenodo.4386836" ID-GBIF-Taxon="132548854" ID-Zenodo-Dep="4386836" LSID="urn:lsid:plazi:treatment:C84B87CACC35FF96E8DD00DF0A6EF15C" httpUri="http://treatment.plazi.org/id/C84B87CACC35FF96E8DD00DF0A6EF15C" lastPageNumber="36" pageId="35" pageNumber="36">
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<subSubSection id="08F86557CC35FF96E8DD00DF0E00F580" pageId="35" pageNumber="36" type="nomenclature">
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<paragraph id="405D36DCCC35FF96E8DD00DF0E4DF5E1" blockId="35.[151,338,152,211]" box="[151,338,152,178]" pageId="35" pageNumber="36">
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<heading id="1B1581B0CC35FF96E8DD00DF0E4DF5E1" bold="true" box="[151,338,152,178]" fontSize="11" level="1" pageId="35" pageNumber="36" reason="1">
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<emphasis id="7296EACECC35FF96E8DD00DF0E4DF5E1" bold="true" box="[151,338,152,178]" pageId="35" pageNumber="36">
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<taxonomicName id="87E24D5FCC35FF96E8DD00DF0E37F5E1" box="[151,296,152,178]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="genus">
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<emphasis id="7296EACECC35FF96E8DD00DF0E37F5E1" bold="true" box="[151,296,152,178]" italics="true" pageId="35" pageNumber="36">Staurotheca</emphasis>
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</taxonomicName>
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sp.
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="405D36DCCC35FF96E8DD00FD0E00F580" blockId="35.[151,338,152,211]" box="[151,287,186,211]" pageId="35" pageNumber="36">
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(
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<figureCitation id="D8D92A59CC35FF96E8D500FD0FF2F580" box="[159,237,186,211]" captionStart="FIGURE 11" captionStartId="33.[151,250,1947,1969]" captionTargetBox="[220,1388,206,1913]" captionTargetId="figure@33.[187,1399,195,1923]" captionTargetPageId="33" captionText="FIGURE 11. Staurotheca pachyclada (Jäderholm, 1904): A – B, hydrothecae. Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997: C – E, hydrothecae. Staurotheca sp.: F – I hydrothecae. (A from Stn 124; B from Stn 17; C – E from Stn 19; F – H from Stn 53; I from Stn 67). Scale bar: 250 µm." httpUri="https://zenodo.org/record/828497/files/figure.png" pageId="35" pageNumber="36">Fig. 11</figureCitation>
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F–I)
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</paragraph>
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</subSubSection>
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<subSubSection id="08F86557CC35FF96E8DD01450CCCF46C" pageId="35" pageNumber="36" type="materials_examined">
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<paragraph id="405D36DCCC35FF96E8DD01450CCCF46C" blockId="35.[151,1437,258,1039]" pageId="35" pageNumber="36">
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<emphasis id="7296EACECC35FF96E8DD01450E9FF448" bold="true" box="[151,384,258,283]" pageId="35" pageNumber="36">Material examined.</emphasis>
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Stn 53, palmate colony
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<quantity id="871A9B39CC35FF96EADA01450DC0F449" box="[656,735,258,283]" metricMagnitude="-2" metricUnit="m" metricValue="8.5" pageId="35" pageNumber="36" unit="mm" value="85.0">85 mm</quantity>
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high, basibiont of
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<taxonomicName id="87E24D5FCC35FF96EBFB01450B4FF448" box="[945,1104,258,283]" class="Hydrozoa" family="Hebellidae" genus="Hebella" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="species" species="plana">
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<emphasis id="7296EACECC35FF96EBFB01450B4FF448" box="[945,1104,258,283]" italics="true" pageId="35" pageNumber="36">Hebella plana</emphasis>
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</taxonomicName>
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, and colony fragment
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<quantity id="871A9B39CC35FF96ED0701440A83F449" box="[1357,1436,259,283]" metricMagnitude="-2" metricUnit="m" metricValue="2.2" pageId="35" pageNumber="36" unit="mm" value="22.0">22 mm</quantity>
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long (NIWA 117545); Stn 67, one colony
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<quantity id="871A9B39CC35FF96EA2701610DA4F46D" box="[621,699,294,319]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="35" pageNumber="36" unit="mm" value="45.0">45 mm</quantity>
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high (MNCN 2.03/617).
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</paragraph>
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</subSubSection>
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<subSubSection id="08F86557CC35FF96E88D010D0E9FF7BC" pageId="35" pageNumber="36" type="description">
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<paragraph id="405D36DCCC35FF96E88D010D0C17F4D5" blockId="35.[151,1437,258,1039]" pageId="35" pageNumber="36">
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<emphasis id="7296EACECC35FF96E88D010D0E46F430" bold="true" box="[199,345,330,355]" pageId="35" pageNumber="36">Description.</emphasis>
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Colonies palmate, up to
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<quantity id="871A9B39CC35FF96EAD5010D0DE8F431" box="[671,759,330,355]" metricMagnitude="-2" metricUnit="m" metricValue="8.5" pageId="35" pageNumber="36" unit="mm" value="85.0">85 mm</quantity>
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high and basally polysiphonic, with closely-knit mesh appearance due to frequent branching and anastomoses.
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</paragraph>
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<paragraph id="405D36DCCC35FF96E88D01D50E09F70C" blockId="35.[151,1437,258,1039]" pageId="35" pageNumber="36">
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Hydrothecae arranged in decussate verticils of three, resulting in six longitudinal rows of hydrothecae; few basal branches with decussate pairs. Hydrotheca (
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<figureCitation id="D8D92A59CC35FF96EA8001F10C07F49C" box="[714,792,438,463]" captionStart="FIGURE 11" captionStartId="33.[151,250,1947,1969]" captionTargetBox="[220,1388,206,1913]" captionTargetId="figure@33.[187,1399,195,1923]" captionTargetPageId="33" captionText="FIGURE 11. Staurotheca pachyclada (Jäderholm, 1904): A – B, hydrothecae. Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997: C – E, hydrothecae. Staurotheca sp.: F – I hydrothecae. (A from Stn 124; B from Stn 17; C – E from Stn 19; F – H from Stn 53; I from Stn 67). Scale bar: 250 µm." httpUri="https://zenodo.org/record/828497/files/figure.png" pageId="35" pageNumber="36">Fig. 11</figureCitation>
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F–I) immersed into branch in about half, or even less, of its volume. Adcauline hydrothecal wall with significant free portion (
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<figureCitation id="D8D92A59CC35FF96EBEB019D0CEEF4A0" box="[929,1009,474,499]" captionStart="FIGURE 11" captionStartId="33.[151,250,1947,1969]" captionTargetBox="[220,1388,206,1913]" captionTargetId="figure@33.[187,1399,195,1923]" captionTargetPageId="33" captionText="FIGURE 11. Staurotheca pachyclada (Jäderholm, 1904): A – B, hydrothecae. Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997: C – E, hydrothecae. Staurotheca sp.: F – I hydrothecae. (A from Stn 124; B from Stn 17; C – E from Stn 19; F – H from Stn 53; I from Stn 67). Scale bar: 250 µm." httpUri="https://zenodo.org/record/828497/files/figure.png" pageId="35" pageNumber="36">Fig. 11</figureCitation>
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G). Abcauline wall straight or slightly convex basally, but concave distally (
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<figureCitation id="D8D92A59CC35FF96EA1F01B90DB7F744" box="[597,680,510,535]" captionStart="FIGURE 11" captionStartId="33.[151,250,1947,1969]" captionTargetBox="[220,1388,206,1913]" captionTargetId="figure@33.[187,1399,195,1923]" captionTargetPageId="33" captionText="FIGURE 11. Staurotheca pachyclada (Jäderholm, 1904): A – B, hydrothecae. Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997: C – E, hydrothecae. Staurotheca sp.: F – I hydrothecae. (A from Stn 124; B from Stn 17; C – E from Stn 19; F – H from Stn 53; I from Stn 67). Scale bar: 250 µm." httpUri="https://zenodo.org/record/828497/files/figure.png" pageId="35" pageNumber="36">Fig. 11</figureCitation>
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G, I). Hydrotheca cylindrical in lateral view (
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<figureCitation id="D8D92A59CC35FF96EC8D01B90A02F744" box="[1223,1309,510,535]" captionStart="FIGURE 11" captionStartId="33.[151,250,1947,1969]" captionTargetBox="[220,1388,206,1913]" captionTargetId="figure@33.[187,1399,195,1923]" captionTargetPageId="33" captionText="FIGURE 11. Staurotheca pachyclada (Jäderholm, 1904): A – B, hydrothecae. Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997: C – E, hydrothecae. Staurotheca sp.: F – I hydrothecae. (A from Stn 124; B from Stn 17; C – E from Stn 19; F – H from Stn 53; I from Stn 67). Scale bar: 250 µm." httpUri="https://zenodo.org/record/828497/files/figure.png" pageId="35" pageNumber="36">
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Fig.
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<date id="345C101CCC35FF96ED4B01B80A02F744" box="[1281,1309,511,535]" pageId="35" pageNumber="36" value="2011-01">11</date>
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</figureCitation>
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I), directed outwards at distal part. Hydrothecal aperture circular, directed downwards. Hydrotheca with mushroom-shaped diaphragm.
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</paragraph>
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<paragraph id="405D36DCCC35FF96E88D022D0E9FF7BC" blockId="35.[151,1437,258,1039]" pageId="35" pageNumber="36">
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<emphasis id="7296EACECC35FF96E88D022D0EC4F7D0" bold="true" box="[199,475,618,643]" pageId="35" pageNumber="36">Measurements (in µm).</emphasis>
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<emphasis id="7296EACECC35FF96E9AB022D0D6FF7D0" box="[481,624,618,643]" italics="true" pageId="35" pageNumber="36">Hydrothecae</emphasis>
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: abcauline wall 600–620, free part of adcauline wall 30–120, adnate part of adcauline wall 750, adcauline wall 690–780, diameter at aperture 210–220, maximum diameter ca. 320, diameter at diaphragm ca. 280.
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<emphasis id="7296EACECC35FF96EA5302F50D61F798" box="[537,638,690,715]" italics="true" pageId="35" pageNumber="36">Cnidome</emphasis>
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: larger microbasic mastigophores
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<date id="345C101CCC35FF96EC5102F40B63F799" box="[1051,1148,691,715]" pageId="35" pageNumber="36" value="1920-10-21">20–21 x</date>
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4.5, smaller microbasic mastigophores
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<date id="345C101CCC35FF96E90B02900E7BF7BD" box="[321,356,727,751]" pageId="35" pageNumber="36">9 x</date>
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3.
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</paragraph>
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</subSubSection>
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<subSubSection id="08F86557CC35FF96E88D02BD0A6EF15C" pageId="35" pageNumber="36" type="discussion">
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<paragraph id="405D36DCCC35FF96E88D02BD0B5DF6B8" blockId="35.[151,1437,258,1039]" pageId="35" pageNumber="36">
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<emphasis id="7296EACECC35FF96E88D02BD0E24F640" bold="true" box="[199,315,762,787]" pageId="35" pageNumber="36">Remarks.</emphasis>
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The material studied is morphologically close to
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<taxonomicName id="87E24D5FCC35FF96EB2702BC0CE0F640" box="[877,1023,762,787]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="species" species="glomulosa">
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<emphasis id="7296EACECC35FF96EB2702BC0CE0F640" box="[877,1023,762,787]" italics="true" pageId="35" pageNumber="36">S. glomulosa</emphasis>
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</taxonomicName>
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by the general shape and size of the hydrotheca. However, they differ because the hydrothecae are arranged in decussate pairs in
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<taxonomicName id="87E24D5FCC35FF96ECFE03580A59F664" box="[1204,1350,798,823]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="species" species="glomulosa">
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<emphasis id="7296EACECC35FF96ECFE03580A59F664" box="[1204,1350,798,823]" italics="true" pageId="35" pageNumber="36">S. glomulosa</emphasis>
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</taxonomicName>
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. It also differs from
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<taxonomicName id="87E24D5FCC35FF96E96903040EABF608" box="[291,436,834,859]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="species" species="dichotoma">
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<emphasis id="7296EACECC35FF96E96903040EABF608" box="[291,436,834,859]" italics="true" pageId="35" pageNumber="36">S. dichotoma</emphasis>
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</taxonomicName>
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by the distinctly smaller diameter of the hydrotheca (e.g., the diameter of the hydrothecal aperture is 273–332 µm in
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<taxonomicName id="87E24D5FCC35FF96E98503200D7CF62C" box="[463,611,870,895]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="species" species="dichotoma">
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<emphasis id="7296EACECC35FF96E98503200D7CF62C" box="[463,611,870,895]" italics="true" pageId="35" pageNumber="36">S. dichotoma</emphasis>
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</taxonomicName>
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, cf.
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<bibRefCitation id="24734B2DCC35FF96EAD203200CDBF62C" author="Pena" box="[664,964,870,895]" pageId="35" pageNumber="36" refString="Pena Cantero, A. L., Svoboda, A. & Vervoort, W. (1997 a) Species of Staurotheca Allman, 1888 (Cnidaria, Hydrozoa) from recent Antarctic expeditions with R. V. ' Polarstern', with the description of six new species. Journal of Natural History, 31, 329 - 381." type="journal article" year="1997" yearSuffix="a">
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Peña Cantero
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<emphasis id="7296EACECC35FF96EB7303200C6CF62C" box="[825,883,870,895]" italics="true" pageId="35" pageNumber="36">et al.</emphasis>
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||
1997a
|
||
</bibRefCitation>
|
||
). It could be conspecific with the species described as
|
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<taxonomicName id="87E24D5FCC35FF96E96103CD0D38F6F0" box="[299,551,906,931]" class="Hydrozoa" family="Sertulariidae" genus="Dictyocladium" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="36" phylum="Cnidaria" rank="species" species="fuscum">
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||
<emphasis id="7296EACECC35FF96E96103CD0D38F6F0" box="[299,551,906,931]" italics="true" pageId="35" pageNumber="36">Dictyocladium fuscum</emphasis>
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||
</taxonomicName>
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||
by
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<bibRefCitation id="24734B2DCC35FF96EA1F03CD0C96F6F0" author="Hickson" box="[597,905,906,931]" pageId="35" pageNumber="36" refString="Hickson, S. J. & Gravely, F. H. (1907) Coelenterata. II. Hydroid zoophytes. National Antarctic Expedition (S. S. Discovery) 1901 - 1904, Natural History, 3, 1 - 34, pls. 1 - 4." type="journal article" year="1907">Hickson & Gravely (1907)</bibRefCitation>
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, with which it agrees in the general shape and size of the hydrotheca and in the presence of decussate verticils of three hydrothecae. However, it would be necessary to examine the type material of that species before reaching a conclusion.
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</paragraph>
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<paragraph id="405D36DCCC35FF96E88D03B10A6EF15C" blockId="35.[151,1437,258,1039]" box="[199,1393,1014,1039]" pageId="35" pageNumber="36">
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<materialsCitation id="F08A3C81CC35FF96E88D03B10A6EF15C" ID-GBIF-Occurrence="1572325139" box="[199,1393,1014,1039]" elevation="286" location="Cape" pageId="35" pageNumber="36" specimenCount="1" stateProvince="Cape">
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<emphasis id="7296EACECC35FF96E88D03B10EE9F15C" bold="true" box="[199,502,1014,1039]" pageId="35" pageNumber="36">Ecology and distribution.</emphasis>
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The material was collected at depths between 197 and
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<elevation id="CBCFD1EFCC35FF96EC2A03B10BB6F15D" box="[1120,1193,1014,1039]" metricMagnitude="2" metricUnit="m" metricValue="2.86" pageId="35" pageNumber="36" unit="m" value="286.0">
|
||
<quantity id="871A9B39CC35FF96EC2A03B10BB6F15D" box="[1120,1193,1014,1039]" metricMagnitude="2" metricUnit="m" metricValue="2.86" pageId="35" pageNumber="36" unit="m" value="286.0">286 m</quantity>
|
||
</elevation>
|
||
, off
|
||
<collectingRegion id="8226F83ECC35FF96EC9603B00A09F15C" box="[1244,1302,1015,1039]" country="South Africa" name="Western Cape" pageId="35" pageNumber="36">Cape</collectingRegion>
|
||
Hallett.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |