177 lines
27 KiB
XML
177 lines
27 KiB
XML
<document id="FFF2FFA5F88C554203EB86110F34ECF6" ID-CLB-Dataset="29057" ID-DOI="10.11646/zootaxa.4457.3.3" ID-GBIF-Dataset="1de8cca0-cd2f-4a31-aaf5-fac570f8cee5" ID-ISSN="1175-5326" ID-Zenodo-Dep="1457897" ID-ZooBank="463BBDB3-CBD9-43E3-9520-CDE336BC10ED" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1539267047488" checkinUser="plazi" docAuthor="Cantero, A. L. Peña & Molinero, A. González" docDate="2018" docId="B646223DFFCAD328FF241469FC3132A2" docLanguage="en" docName="zootaxa.4457.3.3.pdf" docOrigin="Zootaxa 4457 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Oswaldella tottoni Pena Cantero & Vervoort 1996" docType="treatment" docVersion="7" lastPageNumber="407" masterDocId="4A7F5A45FFC0D322FFB3162EFF983468" masterDocTitle="On several species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa), including the description of a new species" masterLastPageNumber="414" masterPageNumber="397" pageNumber="407" updateTime="1698577058480" updateUser="ExternalLinkService">
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<mods:title id="F7631D6737766C53EA7BFB287DB0181E">On several species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa), including the description of a new species</mods:title>
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<mods:namePart id="519C9C7BEC0E5AAD0BC88B619D298F22">Cantero, A. L. Peña</mods:namePart>
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<mods:roleTerm id="028F8072166C3537EE5BAAC73DBC237E">Author</mods:roleTerm>
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<mods:namePart id="201E6103C7A8FE961035443145561784">Molinero, A. González</mods:namePart>
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<mods:title id="6CBDD3424118BAF43F80E5F369B35128">Zootaxa</mods:title>
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<mods:part id="873B887E82BCC7BEB33F9C520EF7EC93">
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<mods:date id="44D24FD6DFF056A35B01BC76B8988899">2018</mods:date>
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<mods:number id="3852F244E92D2693E52D08B7CAAA000D">2018-08-09</mods:number>
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<mods:number id="C53403E247E5D1E15F0861228ECF2181">4457</mods:number>
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<treatment id="B646223DFFCAD328FF241469FC3132A2" ID-DOI="http://doi.org/10.5281/zenodo.5960856" ID-GBIF-Taxon="148692201" ID-Zenodo-Dep="5960856" LSID="urn:lsid:plazi:treatment:B646223DFFCAD328FF241469FC3132A2" httpUri="http://treatment.plazi.org/id/B646223DFFCAD328FF241469FC3132A2" lastPageNumber="407" pageId="10" pageNumber="407">
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<subSubSection id="76F5C0A0FFCAD328FF241469FF7336EB" pageId="10" pageNumber="407" type="nomenclature">
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<paragraph id="3E50932BFFCAD328FF241469FC9C360A" blockId="10.[151,772,583,643]" box="[151,772,583,610]" pageId="10" pageNumber="407">
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<heading id="65182447FFCAD328FF241469FC9C360A" bold="true" box="[151,772,583,610]" fontSize="11" level="1" pageId="10" pageNumber="407" reason="1">
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<taxonomicName id="F9EFE8A8FFCAD328FF241469FC9C360A" ID-CoL="6TCJN" authority="Pena Cantero & Vervoort, 1996" authorityName="Pena Cantero & Vervoort" authorityYear="1996" box="[151,772,583,610]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="10" pageNumber="407" phylum="Cnidaria" rank="species" species="tottoni">
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<emphasis id="0C9B4F39FFCAD328FF241469FC9C360A" bold="true" box="[151,772,583,610]" pageId="10" pageNumber="407">
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<emphasis id="0C9B4F39FFCAD328FF241469FEEA3609" bold="true" box="[151,370,583,609]" italics="true" pageId="10" pageNumber="407">Oswaldella tottoni</emphasis>
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Peña Cantero & Vervoort, 1996
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="3E50932BFFCAD328FF241444FF7336EB" blockId="10.[151,772,583,643]" box="[151,235,618,643]" pageId="10" pageNumber="407">
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(
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<figureCitation id="A6D48FAEFFCAD328FF2C1444FF7B36EB" box="[159,227,618,643]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="76F5C0A0FFCAD328FF24149CFD37374C" pageId="10" pageNumber="407" type="description">
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<paragraph id="3E50932BFFCAD328FF24149CFD45376E" blockId="10.[151,1436,690,804]" pageId="10" pageNumber="407">
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<taxonomicName id="F9EFE8A8FFCAD328FF24149CFD0736A0" authority="Pena CanTerO & VerVOOrT, 1996" authorityName="Pena Cantero & Vervoort" authorityYear="1996" box="[151,671,690,712]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="10" pageNumber="407" phylum="Cnidaria" rank="species" species="tottoni">
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<emphasis id="0C9B4F39FFCAD328FF24149CFECB36A0" box="[151,339,690,712]" italics="true" pageId="10" pageNumber="407">Oswaldella tottoni</emphasis>
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Peña CanTerO & VerVOOrT, 1996
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</taxonomicName>
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: 139–142, fig. 2; 1998: 37; 2004: 850; Peña CanTerO
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<emphasis id="0C9B4F39FFCAD328FB0F149DFB6836A0" box="[1212,1264,690,712]" italics="true" pageId="10" pageNumber="407">et al.</emphasis>
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, 1997: 380–383, fig. 12; Peña CanTerO & García CarrascOsa, 1998: 179; 1999: 214; Peña CanTerO & Marques, 1999: 85; GOnzález MOlinerO & Peña CanTerO, 2015: 439; Peña CanTerO, 2017: 60.
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</paragraph>
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<paragraph id="3E50932BFFCAD328FF241520FD37374C" blockId="10.[151,1436,690,804]" box="[151,687,782,804]" pageId="10" pageNumber="407">
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<taxonomicName id="F9EFE8A8FFCAD328FF241520FEC0374C" baseAuthorityName="Hartlaub" baseAuthorityYear="1904" box="[151,344,782,804]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="10" pageNumber="407" phylum="Cnidaria" rank="species" species="bifurca">
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<emphasis id="0C9B4F39FFCAD328FF241520FEC0374C" box="[151,344,782,804]" italics="true" pageId="10" pageNumber="407">Oswaldella bifurca</emphasis>
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</taxonomicName>
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—TOTTOn, 1930: 208–209, fig. 50.
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</paragraph>
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</subSubSection>
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<subSubSection id="76F5C0A0FFCAD328FF24157FFABE37E6" pageId="10" pageNumber="407" type="materials_examined">
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<paragraph id="3E50932BFFCAD328FF24157FFABE37E6" blockId="10.[151,1437,849,1738]" pageId="10" pageNumber="407">
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<materialsCitation id="8E879976FFCAD328FF24157FFABE37E6" ID-GBIF-Occurrence="1917076274" collectingDate="1998-02-16" collectionCode="ANT" country="Norway" elevation="245" latitude="-71.235" location="Norvegia" longLatPrecision="97" longitude="-12.461667" pageId="10" pageNumber="407" specimenCount="1">
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<emphasis id="0C9B4F39FFCAD328FF24157FFE113702" bold="true" box="[151,393,849,874]" pageId="10" pageNumber="407">Material examined.</emphasis>
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German Antarctic expedition
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<emphasis id="0C9B4F39FFCAD328FD4D157FFCEE3702" box="[766,886,849,874]" italics="true" pageId="10" pageNumber="407">Polarstern</emphasis>
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<collectionCode id="58FE0BEEFFCAD328FC36157CFC263702" box="[901,958,850,874]" country="0" httpUri="http://grbio.org/cool/1k5k-ghgz" name="Anguilla National Trust" pageId="10" pageNumber="407">ANT</collectionCode>
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XV/3, Stn 48-194,
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<collectingDate id="5A154C03FFCAD328FB0E157FFA003702" box="[1213,1432,849,874]" pageId="10" pageNumber="407" value="1998-02-16">
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<date id="4A51B5EBFFCAD328FB0E157FFA003702" box="[1213,1432,849,874]" pageId="10" pageNumber="407" value="1998-02-16">16 February 1998</date>
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</collectingDate>
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,
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<geoCoordinate id="5BDBF5ECFFCAD328FF241558FE9237E6" box="[151,266,886,910]" direction="south" orientation="latitude" pageId="10" pageNumber="407" precision="92" value="-71.235">71°14.1’S</geoCoordinate>
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,
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||
<geoCoordinate id="5BDBF5ECFFCAD328FEA51558FE0A37E6" box="[278,402,886,910]" direction="west" orientation="longitude" pageId="10" pageNumber="407" precision="92" value="-12.461667">12°27.7’W</geoCoordinate>
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(Kape
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<collectingCountry id="46F8D3BBFFCAD328FE57155BFDC937E6" box="[484,593,885,910]" name="Norway" pageId="10" pageNumber="407">Norvegia</collectingCountry>
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),
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<elevation id="B5C27418FFCAD328FDD7155BFD7D37E5" box="[612,741,885,910]" metricMagnitude="2" metricUnit="m" metricValue="2.45" metricValueMax="2.46" metricValueMin="2.44" pageId="10" pageNumber="407" unit="m" value="245.0" valueMax="246.0" valueMin="244.0">
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<quantity id="F9173ECEFFCAD328FDD7155BFD7D37E5" box="[612,741,885,910]" metricMagnitude="2" metricUnit="m" metricValue="2.45" metricValueMax="2.46" metricValueMin="2.44" pageId="10" pageNumber="407" unit="m" value="245.0" valueMax="246.0" valueMin="244.0">244–246 m</quantity>
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</elevation>
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, a few stems, up to
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<quantity id="F9173ECEFFCAD328FC711558FBB837E5" box="[962,1056,886,910]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" pageId="10" pageNumber="407" unit="mm" value="120.0">120 mm</quantity>
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high, with gonothecae.
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</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="76F5C0A0FFCAD328FF7415B7FCD8310A" pageId="10" pageNumber="407" type="description">
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<paragraph id="3E50932BFFCAD328FF7415B7FA053791" blockId="10.[151,1437,849,1738]" pageId="10" pageNumber="407">
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||
<emphasis id="0C9B4F39FFCAD328FF7415B7FEC137DA" bold="true" box="[199,345,921,946]" pageId="10" pageNumber="407">Description.</emphasis>
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Polysiphonic, branched stems up to
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||
<quantity id="F9173ECEFFCAD328FD4C15B4FCC637D9" box="[767,862,922,946]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" pageId="10" pageNumber="407" unit="mm" value="120.0">120 mm</quantity>
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high. Stems not divided into internodes, with two longitudinal series of cauline apophyses. Angle between cauline apophyses and stem ca. 45°. Cauline apophyses with two axillary nematophores, each emerging through a simple hole in perisarc (
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<figureCitation id="A6D48FAEFFCAD328FB9915CFFB193792" box="[1066,1153,993,1018]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6B</figureCitation>
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); no ‘mamelons’ present.
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</paragraph>
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<paragraph id="3E50932BFFCAD328FF74122BFC223156" blockId="10.[151,1437,849,1738]" pageId="10" pageNumber="407">
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Hydrocladia bifurcated (
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<figureCitation id="A6D48FAEFFCAD328FE68122BFDAE3076" box="[475,566,1029,1054]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6A</figureCitation>
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), only hydrocladia of second order present. Secondary hydrocladia distinctly bent inwards. First hydrocladial internode bifurcated (
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<figureCitation id="A6D48FAEFFCAD328FCB91207FC10302A" box="[778,904,1065,1090]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6A–B</figureCitation>
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), with two similar prongs; frequently without node between prongs and first internode of secondary hydrocladia (
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<figureCitation id="A6D48FAEFFCAD328FC601263FBAD300E" box="[979,1077,1101,1126]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6A</figureCitation>
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). Mesial-inferior nematophore emerging from a swelling at proximal third of internode (
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<figureCitation id="A6D48FAEFFCAD328FC9D125FFC3130E2" box="[814,937,1137,1162]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6C–E</figureCitation>
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), and provided with a reduced claw-shaped nematotheca (
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<figureCitation id="A6D48FAEFFCAD328FE8A12BBFE2030C6" box="[313,440,1173,1198]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6C–E</figureCitation>
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); first hydrocladial internode frequently without nematophore (
|
||
<figureCitation id="A6D48FAEFFCAD328FB1112BBFB6730C6" box="[1186,1279,1173,1198]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6B</figureCitation>
|
||
). Hydrotheca placed on distal half of internode (
|
||
<figureCitation id="A6D48FAEFFCAD328FD881297FD7D30BA" box="[571,741,1209,1234]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6A, C–D</figureCitation>
|
||
). Hydrotheca low, about as high as wide (
|
||
<figureCitation id="A6D48FAEFFCAD328FB541297FA0930BA" box="[1255,1425,1209,1234]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6A, C–D</figureCitation>
|
||
). Abcauline hydrothecal wall straight, but distinctly directed outwards (
|
||
<figureCitation id="A6D48FAEFFCAD328FC7F12F3FBB3309E" box="[972,1067,1245,1270]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6D</figureCitation>
|
||
). Hydrothecal aperture circular, perpendicular to longitudinal axis of internode (
|
||
<figureCitation id="A6D48FAEFFCAD328FD0D132FFC8F3172" box="[702,791,1281,1306]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6C</figureCitation>
|
||
) or leaned adcaudally (
|
||
<figureCitation id="A6D48FAEFFCAD328FB94132FFB1C3172" box="[1063,1156,1281,1306]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6D</figureCitation>
|
||
); rim even (
|
||
<figureCitation id="A6D48FAEFFCAD328FAA1132FFA093172" box="[1298,1425,1281,1306]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6C–D</figureCitation>
|
||
). Internode above hydrotheca with distinct longitudinal groove (
|
||
<figureCitation id="A6D48FAEFFCAD328FCE7130BFC353156" box="[852,941,1317,1342]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="3E50932BFFCAD328FF741367FCD8310A" blockId="10.[151,1437,849,1738]" box="[199,832,1353,1378]" pageId="10" pageNumber="407">
|
||
Gonotheca fusiform with subterminal aperture (
|
||
<figureCitation id="A6D48FAEFFCAD328FD6D1367FCAB310A" box="[734,819,1353,1378]" captionStart="FIGURE 6" captionStartId="12.[151,250,1921,1943]" captionTargetBox="[247,1339,193,1900]" captionTargetId="figure@12.[247,1339,193,1900]" captionTargetPageId="12" captionText="FIGURE 6. Oswaldella tottoni Peña CanTerO & VerVOOrT, 1996. A, hydrOcladial branching and dispOsiTiOn Of hydrOThecae; B, firsT hydrOcladial inTernOde and cauline apOphysis shOwing axillary nemaTOphOres; C–D, unfOrked hydrOcladial inTernOdes (C frOnTal View, D laTeral View); E, deTail Of mesial inferiOr nemaTOTheca; F, gOnOTheca. Scale bar: 200 µm (A), 100 µm (C–E), 20 µm (B, F)." httpUri="https://zenodo.org/record/1457909/files/figure.png" pageId="10" pageNumber="407">Fig. 6F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="76F5C0A0FFCAD328FF741343FDDB32CE" pageId="10" pageNumber="407" type="discussion">
|
||
<paragraph id="3E50932BFFCAD328FF741343FC4131C2" blockId="10.[151,1437,849,1738]" pageId="10" pageNumber="407">
|
||
<emphasis id="0C9B4F39FFCAD328FF741343FEA331EE" bold="true" box="[199,315,1389,1414]" pageId="10" pageNumber="407">Remarks.</emphasis>
|
||
The stems of this species are polysiphonic only at the base. Branching is also restricted to the most basal part, giving the aspect of rooted tufts with stems mostly unbranched.
|
||
</paragraph>
|
||
<paragraph id="3E50932BFFCAD328FF74139BFC8E3252" blockId="10.[151,1437,849,1738]" pageId="10" pageNumber="407">
|
||
The SEM study has confirmed the presence of two axillary nematophores on the cauline apophyses, as already known from previous descriptions (Peña Cantero & Vervoort 1996; Peña Cantero
|
||
<emphasis id="0C9B4F39FFCAD328FB8A13F4FBEA319A" box="[1081,1138,1497,1522]" italics="true" pageId="10" pageNumber="407">et al.</emphasis>
|
||
1997). The nematophores are not provided with the short collar-shaped nematotheca observed in other species of the genus (e.g.
|
||
<taxonomicName id="F9EFE8A8FFCAD328FA9713D0FA04327E" authorityName="Pena Cantero" authorityYear="2007" box="[1316,1436,1533,1558]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="10" pageNumber="407" phylum="Cnidaria" rank="species" species="laertesi">
|
||
<emphasis id="0C9B4F39FFCAD328FA9713D0FA04327E" box="[1316,1436,1533,1558]" italics="true" pageId="10" pageNumber="407">O. laertesi</emphasis>
|
||
</taxonomicName>
|
||
see fig. 9B in González Molinero & Peña Cantero 2015).
|
||
</paragraph>
|
||
<paragraph id="3E50932BFFCAD328FF74106BFDDB32CE" blockId="10.[151,1437,849,1738]" pageId="10" pageNumber="407">The groove present on the internode above the hydrotheca seems to be related to the mesial superior nematophore. The adcauline hydrothecal wall is practically adnate in its whole length, so the groove would facilitate the nematophore emergence.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="76F5C0A0FFCAD328FF74109FFC3132A2" box="[199,937,1713,1738]" pageId="10" pageNumber="407" type="distribution">
|
||
<paragraph id="3E50932BFFCAD328FF74109FFC3132A2" blockId="10.[151,1437,849,1738]" box="[199,937,1713,1738]" pageId="10" pageNumber="407">
|
||
<emphasis id="0C9B4F39FFCAD328FF74109FFEF832A2" bold="true" box="[199,352,1713,1738]" pageId="10" pageNumber="407">Distribution.</emphasis>
|
||
Circum-Antarctic (Peña Cantero & Vervoort 2004).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |