125 lines
15 KiB
XML
125 lines
15 KiB
XML
<document id="81802F1EBE2DBCAF77434D940F6C4B7B" ID-CLB-Dataset="29821" ID-DOI="10.11646/zootaxa.4441.1.7" ID-GBIF-Dataset="0535eaeb-2e3b-4b6d-9ced-58a61fd02e03" ID-ISSN="1175-5326" ID-Zenodo-Dep="1301927" ID-ZooBank="2D48BC12-329C-4476-BF43-4648B4807E3B" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1529995343642" checkinUser="plazi" docAuthor="Peña Cantero, Álvaro L. & Marzal, Marina Fresneda" docDate="2018" docId="03AC2855FF87FFB8E7FE799C6A5A2F73" docLanguage="en" docName="zootaxa.4441.1.7.pdf" docOrigin="Zootaxa 4441 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Schizotricha nana Pena Cantero, Svoboda & Vervoort 1996" docType="treatment" docVersion="7" lastPageNumber="133" masterDocId="FF95502DFF8BFFB4E769790B69262D0D" masterDocTitle="Benthic hydroids (Cnidaria: Hydrozoa) from off George V Coast (East Antarctica)" masterLastPageNumber="136" masterPageNumber="121" pageNumber="133" updateTime="1698551282154" updateUser="ExternalLinkService">
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<mods:title id="EC7A857D19FCC5AD1570BFA8E685A20C">Benthic hydroids (Cnidaria: Hydrozoa) from off George V Coast (East Antarctica)</mods:title>
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<mods:namePart id="C5C26F52352356896362719D8AEF064E">Peña Cantero, Álvaro L.</mods:namePart>
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<mods:roleTerm id="0AA31A3ECD87119EF09E185E1668E0B8">Author</mods:roleTerm>
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<mods:namePart id="B79BC47A817969CC9214B83DC67F849B">Marzal, Marina Fresneda</mods:namePart>
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<mods:typeOfResource id="CFECF59642FC23CB2668B50E52D3AD3B">text</mods:typeOfResource>
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<mods:title id="BB5CBE0ADF312A99D3A8DC6F8C503E63">Zootaxa</mods:title>
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<mods:part id="245E74D3A1EB78A0867F0A7CB7C85AEA">
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<mods:date id="7ED527DF0CF211871EF3D72A4CFCF321">2018</mods:date>
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<mods:number id="23B981A0E4EDCD5F119A6CD70C20C0D8">2018-06-26</mods:number>
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<mods:number id="EE193B138D8C6B9E85324F57A0645871">4441</mods:number>
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<treatment id="03AC2855FF87FFB8E7FE799C6A5A2F73" ID-DOI="http://doi.org/10.5281/zenodo.6494466" ID-GBIF-Taxon="146019697" ID-Zenodo-Dep="6494466" LSID="urn:lsid:plazi:treatment:03AC2855FF87FFB8E7FE799C6A5A2F73" httpUri="http://treatment.plazi.org/id/03AC2855FF87FFB8E7FE799C6A5A2F73" lastPageNumber="133" pageId="12" pageNumber="133">
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<subSubSection id="C31FCAC8FF87FFB8E7FE799C69D92DDE" pageId="12" pageNumber="133" type="nomenclature">
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<paragraph id="8BBA9943FF87FFB8E7FE799C6AA62DBF" blockId="12.[151,896,151,211]" box="[151,896,151,178]" pageId="12" pageNumber="133">
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<heading id="D0F22E2FFF87FFB8E7FE799C6AA62DBF" bold="true" box="[151,896,151,178]" fontSize="11" level="1" pageId="12" pageNumber="133" reason="1">
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<taxonomicName id="4C05E2C0FF87FFB8E7FE799C6AA62DBF" authority="Pena Cantero, Svoboda & Vervoort, 1996" authorityName="Pena Cantero, Svoboda & Vervoort" authorityYear="1996" box="[151,896,151,178]" class="Hydrozoa" family="Halopterididae" genus="Schizotricha" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="12" pageNumber="133" phylum="Cnidaria" rank="species" species="nana">
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<emphasis id="B9714551FF87FFB8E7FE799C6AA62DBF" bold="true" box="[151,896,151,178]" pageId="12" pageNumber="133">
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<emphasis id="B9714551FF87FFB8E7FE799C68522DBC" bold="true" box="[151,372,151,177]" italics="true" pageId="12" pageNumber="133">Schizotricha nana</emphasis>
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Peña Cantero,
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<bibRefCitation id="EF94E4B2FF87FFB8E55D79936AA62DBF" box="[564,896,152,178]" pageId="12" pageNumber="133" refId="ref7481" refString="Pena Cantero, A. L., Svoboda, A. & Vervoort, w. (1996) Species of Schizotricha Allman, 1883 (Cnidaria, Hydrozoa) from recent antarctic expeditions with R. V. '' Polarstern' ', with the description of a new species. Zoologische Mededelingen, Leiden, 70, 411 - 435." type="journal article">Svoboda & Vervoort, 1996</bibRefCitation>
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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="8BBA9943FF87FFB8E7FE79B169D92DDE" blockId="12.[151,896,151,211]" box="[151,255,186,211]" pageId="12" pageNumber="133">
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(
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<figureCitation id="133E85C6FF87FFB8E7F679B169D02DDE" box="[159,246,186,211]" captionStart="FIGURE 3" captionStartId="8.[151,250,1779,1801]" captionTargetBox="[222,1377,215,1749]" captionTargetId="figure@8.[183,1407,188,1769]" captionTargetPageId="8" captionText="FIGURE 3. Staurotheca antarctica Hartlaub, 1904: A, hydrothecae. Staurotheca nonscripta Peña Cantero, Svoboda & Vervoort, 1997: B, hydrotheca. Staurotheca pachyclada (Jäderholm, 1904): C, hydrotheca. Antarctoscyphus spiralis (Hickson & Gravely, 1907): D, internode with hydrotheca showing intrathecal cusps (arrow). Symplectoscyphus glacialis (Jäderholm, 1904): E, internode with hydrotheca. Halecium interpolatum Ritchie, 1907: F, incipient stem with distal hydrotheca (arrow pointing to characteristic long and straight basal part of internode). Abietinella operculata (Jäderholm, 1903): G, hydrotheca (arrow pointing to disc-shaped operculum) and nematotheca (arrow). Schizotricha nana Peña Cantero, Svoboda & Vervoort, 1996: H, unforked hydrocladial internodes showing hydrothecae and nematothecae. Oswaldella erratum Peña Cantero & Vervoort, 1997: I, hydrocladial internode showing hydrotheca and mesial inferior nematotheca (arrow). Scale bars: 200 µm." httpUri="https://zenodo.org/record/1301933/files/figure.png" pageId="12" pageNumber="133">Fig. 3H</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C31FCAC8FF87FFB8E7FE78096A442C15" box="[151,866,258,280]" pageId="12" pageNumber="133" type="description">
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<paragraph id="8BBA9943FF87FFB8E7FE78096A442C15" blockId="12.[151,866,258,280]" box="[151,866,258,280]" pageId="12" pageNumber="133">
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<taxonomicName id="4C05E2C0FF87FFB8E7FE780968692C15" authorityName="Pena Cantero, Svoboda & Vervoort" authorityYear="1996" box="[151,335,258,280]" class="Hydrozoa" family="Halopterididae" genus="Schizotricha" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="12" pageNumber="133" phylum="Cnidaria" rank="species" species="nana">
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<emphasis id="B9714551FF87FFB8E7FE780968692C15" box="[151,335,258,280]" italics="true" pageId="12" pageNumber="133">Schizotricha nana</emphasis>
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</taxonomicName>
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—Peña Cantero & Vervoort, 1999: 367 (synonymy).
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</paragraph>
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</subSubSection>
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<subSubSection id="C31FCAC8FF87FFB8E7FE784E6C562C53" box="[151,1392,325,350]" pageId="12" pageNumber="133" type="materials_examined">
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<paragraph id="8BBA9943FF87FFB8E7FE784E6C562C53" blockId="12.[151,1436,325,638]" box="[151,1392,325,350]" pageId="12" pageNumber="133">
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<emphasis id="B9714551FF87FFB8E7FE784E68D42C50" bold="true" box="[151,498,325,350]" pageId="12" pageNumber="133">
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Material examined.
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<emphasis id="B9714551FF87FFB8E6EE784E68D42C50" bold="true" box="[391,498,325,349]" italics="true" pageId="12" pageNumber="133">63EV314</emphasis>
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</emphasis>
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, several stem fragments up to
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<quantity id="4CFD34A6FF87FFB8E420784E6A802C50" box="[841,934,325,350]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="12" pageNumber="133" unit="mm" value="250.0">250 mm</quantity>
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long, with gonothecae (IK–2009–0483).
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</paragraph>
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</subSubSection>
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<subSubSection id="C31FCAC8FF87FFB8E7AE78626BBD2CE3" pageId="12" pageNumber="133" type="discussion">
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<paragraph id="8BBA9943FF87FFB8E7AE78626BBD2CE3" blockId="12.[151,1436,325,638]" pageId="12" pageNumber="133">
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<emphasis id="B9714551FF87FFB8E7AE7862681D2C8F" bold="true" box="[199,315,361,386]" pageId="12" pageNumber="133">Remarks.</emphasis>
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Species easily distinguishable amongst the Antarctic species of the genus by the low, as high as wide, hydrothecae (
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<figureCitation id="133E85C6FF87FFB8E61E788668F52CAB" box="[375,467,397,422]" captionStart="FIGURE 3" captionStartId="8.[151,250,1779,1801]" captionTargetBox="[222,1377,215,1749]" captionTargetId="figure@8.[183,1407,188,1769]" captionTargetPageId="8" captionText="FIGURE 3. Staurotheca antarctica Hartlaub, 1904: A, hydrothecae. Staurotheca nonscripta Peña Cantero, Svoboda & Vervoort, 1997: B, hydrotheca. Staurotheca pachyclada (Jäderholm, 1904): C, hydrotheca. Antarctoscyphus spiralis (Hickson & Gravely, 1907): D, internode with hydrotheca showing intrathecal cusps (arrow). Symplectoscyphus glacialis (Jäderholm, 1904): E, internode with hydrotheca. Halecium interpolatum Ritchie, 1907: F, incipient stem with distal hydrotheca (arrow pointing to characteristic long and straight basal part of internode). Abietinella operculata (Jäderholm, 1903): G, hydrotheca (arrow pointing to disc-shaped operculum) and nematotheca (arrow). Schizotricha nana Peña Cantero, Svoboda & Vervoort, 1996: H, unforked hydrocladial internodes showing hydrothecae and nematothecae. Oswaldella erratum Peña Cantero & Vervoort, 1997: I, hydrocladial internode showing hydrotheca and mesial inferior nematotheca (arrow). Scale bars: 200 µm." httpUri="https://zenodo.org/record/1301933/files/figure.png" pageId="12" pageNumber="133">Fig. 3H</figureCitation>
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). Only
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<taxonomicName id="4C05E2C0FF87FFB8E54378866AC92CAB" authority="Pena Cantero 1998" authorityName="Pena Cantero" authorityYear="1998" box="[554,1007,397,422]" class="Hydrozoa" family="Halopterididae" genus="Schizotricha" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="12" pageNumber="133" phylum="Cnidaria" rank="species" species="falcata">
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<emphasis id="B9714551FF87FFB8E54378866A2B2CA8" box="[554,781,397,421]" italics="true" pageId="12" pageNumber="133">Schizotricha falcata</emphasis>
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<bibRefCitation id="EF94E4B2FF87FFB8E47F78856AC92CAB" box="[790,1007,398,422]" pageId="12" pageNumber="133" refId="ref6756" refString="Pena Cantero, A. L. (1998) Two new antarctic species of the genus Schizotricha Allman, 1883 (Cnidaria, Hydrozoa). Polar Biology, 19 (2), 77 - 84. https: // doi. org / 10.1007 / s 003000050217" type="journal article">Peña Cantero 1998</bibRefCitation>
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</taxonomicName>
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also has low hydrothecae, but in this species stems are unbranched and there are no ahydrothecate internodes;
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<taxonomicName id="4C05E2C0FF87FFB8E36878BA6D7C2CC4" authorityName="Pena Cantero, Svoboda & Vervoort" authorityYear="1996" box="[1025,1114,433,457]" class="Hydrozoa" family="Halopterididae" genus="Schizotricha" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="12" pageNumber="133" phylum="Cnidaria" rank="species" species="nana">
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<emphasis id="B9714551FF87FFB8E36878BA6D7C2CC4" box="[1025,1114,433,457]" italics="true" pageId="12" pageNumber="133">S. nana</emphasis>
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</taxonomicName>
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is characterized by having branched stems and ahydrothecate internodes.
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</paragraph>
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</subSubSection>
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<subSubSection id="C31FCAC8FF87FFB8E7AE78F26B002F3B" pageId="12" pageNumber="133" type="description">
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<paragraph id="8BBA9943FF87FFB8E7AE78F26B002F3B" blockId="12.[151,1436,325,638]" pageId="12" pageNumber="133">
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<emphasis id="B9714551FF87FFB8E7AE78F268C82F1F" bold="true" box="[199,494,505,530]" pageId="12" pageNumber="133">Measurements (in µm).</emphasis>
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<emphasis id="B9714551FF87FFB8E69678F26BA42F1C" box="[511,642,505,529]" italics="true" pageId="12" pageNumber="133">Hydrotheca</emphasis>
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: height 145.2±26.8 (n=21), range 110–200; diameter at aperture 137.1±23.2 (n=17), range 100–180.
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</paragraph>
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</subSubSection>
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<subSubSection id="C31FCAC8FF87FFB8E7AE7B4A6A5A2F73" pageId="12" pageNumber="133" type="biology_ecology">
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<paragraph id="8BBA9943FF87FFB8E7AE7B4A6A5A2F73" blockId="12.[151,1436,325,638]" pageId="12" pageNumber="133">
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<emphasis id="B9714551FF87FFB8E7AE7B4A68D92F57" bold="true" box="[199,511,577,602]" pageId="12" pageNumber="133">Ecology and distribution.</emphasis>
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Our material was collected at depths from
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<quantity id="4CFD34A6FF87FFB8E3617B4A6D8B2F54" box="[1032,1197,577,601]" metricMagnitude="2" metricUnit="m" metricValue="4.279999999999999" metricValueMax="4.33" metricValueMin="4.2299999999999995" pageId="12" pageNumber="133" unit="m" value="428.0" valueMax="433.0" valueMin="423.0">423 to 433 m</quantity>
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, with gonothecae in January. Circum-Antarctic distribution (
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<bibRefCitation id="EF94E4B2FF87FFB8E53F7B6D6A562F73" box="[598,880,613,638]" pageId="12" pageNumber="133" refId="ref7481" refString="Pena Cantero, A. L., Svoboda, A. & Vervoort, w. (1996) Species of Schizotricha Allman, 1883 (Cnidaria, Hydrozoa) from recent antarctic expeditions with R. V. '' Polarstern' ', with the description of a new species. Zoologische Mededelingen, Leiden, 70, 411 - 435." type="journal article">
|
||
Peña Cantero
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<emphasis id="B9714551FF87FFB8E59C7B6D6A0B2F70" box="[757,813,613,637]" italics="true" pageId="12" pageNumber="133">et al.</emphasis>
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1996
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</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |