245 lines
29 KiB
XML
245 lines
29 KiB
XML
<document id="21AFD2FD086D433D4074D6837B083AFC" ID="10.11646/zootaxa.4126.2.2" ID-CLB-Dataset="38798" ID-DOI="10.11646/zootaxa.4126.2.2" ID-GBIF-Dataset="5c5304ea-13e7-4eb9-9ebf-d4d33acc5b32" ID-ISSN="1175-5326" ID-Zenodo-Dep="267371" ID-ZooBank="98FA0737-A117-487E-920F-BB03BC89D376" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1466145140804" checkinUser="plazi" docAuthor="Goodwin, Claire E., Berman, Jade, Janussen, Dorte, Göcke, Christian & Hendry, Katharine R." docDate="2016" docId="03D587C5F734FFD8FF24FB900D649D05" docLanguage="en" docName="zootaxa.4126.2.2.pdf" docOrigin="Zootaxa 4126 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Rossella antarctica Carter 1872" docType="treatment" docVersion="8" lastPageNumber="217" masterDocId="FFECFFBDF73DFFD2FFB3FFAA0C199A18" masterDocTitle="Hexactinellida (Porifera) from the Drake Passage (Southern Ocean) with a description of three new species" masterLastPageNumber="220" masterPageNumber="207" pageNumber="216" updateTime="1698663017348" updateUser="ExternalLinkService">
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<mods:mods id="0A5974BC0E804B7C544263D5EF1B5A8D" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="A148C0F31B5A912B84D01E43572B24FD">
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<mods:title id="9AB518582BA5AC53F19BC50D3532D7DE">Hexactinellida (Porifera) from the Drake Passage (Southern Ocean) with a description of three new species</mods:title>
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<mods:name id="5BF45BCB633CA89A0F9F76C803CB921A" type="personal">
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<mods:namePart id="4280C6DB75A8A1853F61F8F389022030">Goodwin, Claire E.</mods:namePart>
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<mods:roleTerm id="8083CB835AF0CDA4ABF4BB276894C694">Author</mods:roleTerm>
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<mods:namePart id="9ECEDDF1A9D34DF2CC53EA8FB3FC1122">Berman, Jade</mods:namePart>
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<mods:namePart id="60B3C3E490FED7F8E1568CD2E01021C9">Janussen, Dorte</mods:namePart>
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<mods:namePart id="F8061C1D71530FEAEFC482E7E5E2D91B">Göcke, Christian</mods:namePart>
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<mods:name id="DDAF9CB49FE343C23A3F64E4A5166CE2" type="personal">
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<mods:namePart id="9691DC00FE88D4BE5D346133C6A78BB5">Hendry, Katharine R.</mods:namePart>
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<mods:typeOfResource id="3D2F39ED3A31193FB06DCBEFF35217FC">text</mods:typeOfResource>
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<mods:title id="103678D3EF1EB9C2FC48975D1AFB6AB8">Zootaxa</mods:title>
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<mods:part id="73B39A00E8CB8F441DFF5C214589CA48">
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<mods:date id="2AD2CD7208F8386F91A4BAC2E06F7E00">2016</mods:date>
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<mods:detail id="1338F7B7C48D6DA1E8DD310F4FE46786" type="volume">
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<mods:number id="181EAE9EB6926D4EB278834AF6BD6393">4126</mods:number>
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<mods:identifier id="8AF1501CE52B3E240C7E4840CC35896D" type="CLB-Dataset">38798</mods:identifier>
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<mods:identifier id="E84CEE4128D875F6CCA4855135765C23" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="566E3F8C0DF8A7A807D9EFACC24A91F2" type="Zenodo-Dep">267371</mods:identifier>
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<treatment id="03D587C5F734FFD8FF24FB900D649D05" ID-DOI="http://doi.org/10.5281/zenodo.6055952" ID-GBIF-Taxon="120828645" ID-Zenodo-Dep="6055952" LSID="urn:lsid:plazi:treatment:03D587C5F734FFD8FF24FB900D649D05" httpUri="http://treatment.plazi.org/id/03D587C5F734FFD8FF24FB900D649D05" lastPageId="10" lastPageNumber="217" pageId="9" pageNumber="216">
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<subSubSection id="C3666558F734FFDBFF24FB900EB09F1E" pageId="9" pageNumber="216" type="nomenclature">
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<paragraph id="8BC336D3F734FFDBFF24FB900E029E4D" blockId="9.[151,539,1082,1109]" box="[151,539,1082,1109]" pageId="9" pageNumber="216">
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<heading id="D08B81BFF734FFDBFF24FB900E029E4D" bold="true" box="[151,539,1082,1109]" fontSize="11" level="1" pageId="9" pageNumber="216" reason="1">
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<taxonomicName id="4C7C4D50F734FFDBFF24FB900E029E4D" ID-CoL="4TFDN" authority="Carter 1872" authorityName="Carter" authorityYear="1872" box="[151,539,1082,1109]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="9" pageNumber="216" phylum="Porifera" rank="species" species="antarctica">
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<emphasis id="B908EAC1F734FFDBFF24FB900E029E4D" bold="true" box="[151,539,1082,1109]" pageId="9" pageNumber="216">
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<emphasis id="B908EAC1F734FFDBFF24FB900D649E4C" bold="true" box="[151,381,1082,1108]" italics="true" pageId="9" pageNumber="216">Rossella antarctica</emphasis>
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Carter 1872
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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="8BC336D3F734FFDBFF24FB2B0EB09F1E" blockId="9.[151,1437,1153,2006]" pageId="9" pageNumber="216">
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<emphasis id="B908EAC1F734FFDBFF24FB2B0D059E82" bold="true" box="[151,284,1153,1178]" pageId="9" pageNumber="216">Specimens.</emphasis>
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BELUM.Mc2015.284, cruise sample number NBP1103–DH95–sponge04, Sars Seamount
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<geoCoordinate id="EE485014F734FFDBFAC6FB2B0CEB9EA6" direction="south" orientation="latitude" pageId="9" pageNumber="216" precision="9" value="-59.729332">59° 43.76’S</geoCoordinate>
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,
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<geoCoordinate id="EE485014F734FFDBFF4EFB0F0D969EA6" box="[253,399,1189,1214]" direction="west" orientation="longitude" pageId="9" pageNumber="216" precision="9" value="-68.898834">68° 53.93’W</geoCoordinate>
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,
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<quantity id="4C849B36F734FFDBFE28FB0C0E0F9EA6" box="[411,534,1190,1214]" metricMagnitude="2" metricUnit="m" metricValue="7.8" metricValueMax="8.2" metricValueMin="7.4" pageId="9" pageNumber="216" unit="m" value="780.0" valueMax="820.0" valueMin="740.0">740–820m</quantity>
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, Hein Dredge. BELUM.Mc2015.329, cruise sample number NBP1103–TO104– sponge04 and BELUM.Mc2015.335, cruise sample number NBP1103–TO104–sponge10, both Sars Seamount
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<geoCoordinate id="EE485014F734FFDBFAC6FB630CE89F1E" direction="south" orientation="latitude" pageId="9" pageNumber="216" precision="9" value="-59.723835">59° 43.43’S</geoCoordinate>
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,
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<geoCoordinate id="EE485014F734FFDBFF4EFB470D949F1E" box="[253,397,1261,1286]" direction="west" orientation="longitude" pageId="9" pageNumber="216" precision="9" value="-68.75633">68° 45.38’W</geoCoordinate>
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,
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<quantity id="4C849B36F734FFDBFE2AFB470E0D9F1E" box="[409,532,1261,1286]" metricMagnitude="2" metricUnit="m" metricValue="6.95" metricValueMax="8.2" metricValueMin="5.7" pageId="9" pageNumber="216" unit="m" value="695.0" valueMax="820.0" valueMin="570.0">570–820m</quantity>
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, Otter Trawl.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3666558F734FFDBFF74FABB0F419D96" pageId="9" pageNumber="216" type="materials_examined">
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<paragraph id="8BC336D3F734FFDBFF74FABB0F489F56" blockId="9.[151,1437,1153,2006]" pageId="9" pageNumber="216">
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<emphasis id="B908EAC1F734FFDBFF74FABB0E449F32" bold="true" box="[199,605,1297,1322]" pageId="9" pageNumber="216">Comparative material examined.</emphasis>
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<taxonomicName id="4C7C4D50F734FFDBFDD9FAB80F199F31" box="[618,768,1298,1321]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="9" pageNumber="216" phylum="Porifera" rank="species" species="antarctica">
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<emphasis id="B908EAC1F734FFDBFDD9FAB80F199F31" box="[618,768,1298,1321]" italics="true" pageId="9" pageNumber="216">R. antarctica</emphasis>
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</taxonomicName>
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specimens from station the ANT XXIV/2
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<emphasis id="B908EAC1F734FFDBFABBFABB09089F32" bold="true" box="[1288,1297,1297,1322]" pageId="9" pageNumber="216">(</emphasis>
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SYSTCO I) expedition (
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<collectionCode id="ED6DAE16F734FFDBFEAFFA9C0D4F9F56" LSID="urn:lsid:biocol.org:col:34838" box="[284,342,1334,1358]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34838" name="Forschungsinstitut und Natur-Museum Senckenberg" pageId="9" pageNumber="216">SMF</collectionCode>
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11734, 11735, 11908–11915, 11916–11930).
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</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74FAF30F359FC6" blockId="9.[151,1437,1153,2006]" pageId="9" pageNumber="216">
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<emphasis id="B908EAC1F734FFDBFF74FAF30DD99F6A" bold="true" box="[199,448,1369,1394]" pageId="9" pageNumber="216">External appearance</emphasis>
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(
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<figureCitation id="13472A56F734FFDBFE7CFAF30E369F6A" box="[463,559,1369,1394]" captionStart="FIGURE 6" captionStartId="10.[151,250,1128,1150]" captionTargetBox="[151,1435,373,1106]" captionTargetId="figure@10.[151,1435,373,1107]" captionTargetPageId="10" captionText="FIGURE 6. Rossella antarctica: A. Collected specimen BELUM. Mc 2015.284; B. Specimen BELUM. Mc 2015.335; C. Rays of a calycocome from BELUM. Mc 2015.284 (scale bar 10 um); D. Microdiscohexaster from BELUM. Mc 2015.284 (scale bar 10 µm)." httpUri="https://zenodo.org/record/267377/files/figure.png" pageId="9" pageNumber="216">Figure 6</figureCitation>
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A, B). The three sponges are sacciform with a basal attachment and a terminal oscule. The largest specimen is
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<quantity id="4C849B36F734FFDBFE49FAD70E219F8E" box="[506,568,1405,1430]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="9" pageNumber="216" unit="cm" value="15.0">15cm</quantity>
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long and
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<quantity id="4C849B36F734FFDBFD14FAD40ECE9F8E" box="[679,727,1406,1430]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="9" pageNumber="216" unit="cm" value="9.0">9cm</quantity>
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wide and the smallest
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<quantity id="4C849B36F734FFDBFC65FAD7081F9F8E" box="[982,1030,1405,1430]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="9" pageNumber="216" unit="cm" value="5.0">5cm</quantity>
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long and
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<quantity id="4C849B36F734FFDBFBC6FAD408BC9F8E" box="[1141,1189,1406,1430]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="9" pageNumber="216" unit="cm" value="2.0">2cm</quantity>
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wide. All were cream coloured when collected and have a veil of projecting diactins which protrude up to
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<quantity id="4C849B36F734FFDBFB8CFA0B089D9FA2" box="[1087,1156,1441,1466]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="9" pageNumber="216" unit="cm" value="1.5">1.5cm</quantity>
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from the body. No dense velum of protruding pentactins is present in the specimens.
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</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74FA430D409C3E" blockId="9.[151,1437,1153,2006]" pageId="9" pageNumber="216">
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<emphasis id="B908EAC1F734FFDBFF74FA430D299C1A" bold="true" box="[199,304,1513,1538]" pageId="9" pageNumber="216">Spicules.</emphasis>
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Measurements are taken from
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<collectionCode id="ED6DAE16F734FFDBFD1EFA430F0B9C1A" box="[685,786,1513,1538]" httpUri="http://grbio.org/cool/2x42-q9ch" name="Ulster Museum, Belfast" pageId="9" pageNumber="216">BELUM</collectionCode>
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.Mc2015.284, figures are restricted to spicules of high taxonomic value.
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</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F99B0F849C76" blockId="9.[151,1437,1153,2006]" pageId="9" pageNumber="216">Dermal spined pentactin: Very large spicules – tangential rays of the one specimen measures were 3750/117 µm. The spicules are covered with large, fairly widely spaced spines.</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F9D308469C8A" blockId="9.[151,1437,1153,2006]" box="[199,1119,1657,1682]" pageId="9" pageNumber="216">Rough pentactin tangential ray 90–(122)–184 µm, proximal ray 80–(117)–110 µm</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F9370ED99CAE" blockId="9.[151,1437,1153,2006]" box="[199,704,1693,1718]" pageId="9" pageNumber="216">Rough hexactin diameter 149–(268)–403 µm</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F96B0E899CC2" blockId="9.[151,1437,1153,2006]" box="[199,656,1729,1754]" pageId="9" pageNumber="216">Oxyhexactin diameter 89–(115)–142 µm</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F94F0E979CE6" blockId="9.[151,1437,1153,2006]" box="[199,654,1765,1790]" pageId="9" pageNumber="216">Oxyhexaster diameter 86–(102)–116 µm</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F8A30CFE9D72" blockId="9.[151,1437,1153,2006]" pageId="9" pageNumber="216">
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Calycocome (
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<figureCitation id="13472A56F734FFDBFED2F8A30DD89D3A" box="[353,449,1801,1826]" captionStart="FIGURE 6" captionStartId="10.[151,250,1128,1150]" captionTargetBox="[151,1435,373,1106]" captionTargetId="figure@10.[151,1435,373,1107]" captionTargetPageId="10" captionText="FIGURE 6. Rossella antarctica: A. Collected specimen BELUM. Mc 2015.284; B. Specimen BELUM. Mc 2015.335; C. Rays of a calycocome from BELUM. Mc 2015.284 (scale bar 10 um); D. Microdiscohexaster from BELUM. Mc 2015.284 (scale bar 10 µm)." httpUri="https://zenodo.org/record/267377/files/figure.png" pageId="9" pageNumber="216">Figure 6</figureCitation>
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C) diameter 85–(99)–109 µm, number of secondary rays 4(5)6 µm, Complete ray length 43–(48)–55 µm, Primary ray length 6–(11)–13 µm, Centrum length 6–(10)–13 µm, Secondary ray length 20–(28)– 33 µm.
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</paragraph>
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<paragraph id="8BC336D3F734FFDBFF74F8DF0F419D96" blockId="9.[151,1437,1153,2006]" box="[199,856,1909,1934]" pageId="9" pageNumber="216">
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Microdiscohexaster (
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<figureCitation id="13472A56F734FFDBFE01F8DF0E0B9D96" box="[434,530,1909,1934]" captionStart="FIGURE 6" captionStartId="10.[151,250,1128,1150]" captionTargetBox="[151,1435,373,1106]" captionTargetId="figure@10.[151,1435,373,1107]" captionTargetPageId="10" captionText="FIGURE 6. Rossella antarctica: A. Collected specimen BELUM. Mc 2015.284; B. Specimen BELUM. Mc 2015.335; C. Rays of a calycocome from BELUM. Mc 2015.284 (scale bar 10 um); D. Microdiscohexaster from BELUM. Mc 2015.284 (scale bar 10 µm)." httpUri="https://zenodo.org/record/267377/files/figure.png" pageId="9" pageNumber="216">Figure 6</figureCitation>
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D) diameter) 22–(33)–36 µm
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</paragraph>
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</subSubSection>
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<subSubSection id="C3666558F734FFD8FF74F8330D649D05" lastPageId="10" lastPageNumber="217" pageId="9" pageNumber="216" type="discussion">
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<paragraph id="8BC336D3F734FFD8FF74F8330D0A9B58" blockId="9.[151,1437,1153,2006]" lastBlockId="10.[151,1436,151,320]" lastPageId="10" lastPageNumber="217" pageId="9" pageNumber="216">
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<emphasis id="B908EAC1F734FFDBFF74F8330D229DAA" bold="true" box="[199,315,1945,1970]" pageId="9" pageNumber="216">Remarks.</emphasis>
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This species differs from other
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<collectingCountry id="F36B7643F734FFDBFD67F8330F259DAA" box="[724,828,1945,1970]" name="Antarctica" pageId="9" pageNumber="216">Antarctic</collectingCountry>
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<taxonomicName id="4C7C4D50F734FFDBFCFFF8330FB29DAA" box="[844,939,1945,1970]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="9" pageNumber="216" phylum="Porifera" rank="genus">
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<emphasis id="B908EAC1F734FFDBFCFFF8330FB29DAA" box="[844,939,1945,1970]" italics="true" pageId="9" pageNumber="216">Rossella</emphasis>
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</taxonomicName>
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species by its distinctive spined dermal pentactins. It has relatively small (~100 µm) calycocomes with 3–8 secondary rays and primary and secondary rays of a similar length; this distinguishes it from many other species of
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<taxonomicName id="4C7C4D50F737FFD8FC3CFF3D0FF79AA8" box="[911,1006,151,176]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="10" pageNumber="217" phylum="Porifera" rank="genus">
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<emphasis id="B908EAC1F737FFD8FC3CFF3D0FF79AA8" box="[911,1006,151,176]" italics="true" pageId="10" pageNumber="217">Rossella</emphasis>
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</taxonomicName>
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which tend to have calycocomes with short primary and long secondary rays. The microdiscohexasters found in this species are characterised by the lack of a capitulum at the end of the primary rays, the secondary rays originate directly from the endings of the primary rays; this feature is shared only with
|
||
<taxonomicName id="4C7C4D50F737FFD8FDD2FEAF0FBA9B04" authority="Kirkpatrick 1907" authorityName="Kirkpatrick" authorityYear="1907" box="[609,931,260,285]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="10" pageNumber="217" phylum="Porifera" rank="species" species="levis">
|
||
<emphasis id="B908EAC1F737FFD8FDD2FEAF0EA39B05" box="[609,698,260,285]" italics="true" pageId="10" pageNumber="217">R. levis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFED4B22F737FFD8FD7DFEAE0F829B04" author="Kirkpatrick" box="[718,923,260,285]" pageId="10" pageNumber="217" refString="Kirkpatrick, R. (1907) Preliminary Report on the Monaxonellida of the National Antarctic Expedition. Annals and Magazine of Natural History, Series 7, 20 (117), 271 - 291. http: // dx. doi. org / 10.1080 / 00222930709487333" type="journal article" year="1907">Kirkpatrick 1907</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. See
|
||
<bibRefCitation id="EFED4B22F737FFD8FC59FEAE09399B04" author="Gocke" box="[1002,1312,260,285]" pageId="10" pageNumber="217" refString="Gocke, C. & Janussen, D. (2013) Hexactinellida of the genus Rossella, of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 102 - 122. http: // dx. doi. org / 10.11646 / zootaxa. 3692.1.6" type="journal article" year="2013">Göcke & Janussen (2013)</bibRefCitation>
|
||
for a full discussion.
|
||
</paragraph>
|
||
<caption id="DF03665BF737FFD8FF24FBC20CD19EA3" httpUri="https://zenodo.org/record/267377/files/figure.png" pageId="10" pageNumber="217" targetBox="[151,1435,373,1106]" targetPageId="10">
|
||
<paragraph id="8BC336D3F737FFD8FF24FBC20CD19EA3" blockId="10.[151,1436,1128,1211]" pageId="10" pageNumber="217">
|
||
<emphasis id="B908EAC1F737FFD8FF24FBC20D0B9E65" bold="true" box="[151,274,1128,1150]" pageId="10" pageNumber="217">FIGURE 6.</emphasis>
|
||
<taxonomicName id="4C7C4D50F737FFD8FEABFBC20E7E9E66" authority="A. Collected" authorityName="A. Collected" box="[280,615,1128,1150]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="10" pageNumber="217" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="B908EAC1F737FFD8FEABFBC20DC29E66" box="[280,475,1128,1150]" italics="true" pageId="10" pageNumber="217">Rossella antarctica</emphasis>
|
||
: A. Collected
|
||
</taxonomicName>
|
||
specimen BELUM.Mc2015.284; B. Specimen BELUM.Mc2015.335; C. Rays of a calycocome from BELUM.Mc2015.284 (scale bar 10um); D. Microdiscohexaster from BELUM.Mc2015.284 (scale bar 10 µm).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC336D3F737FFD8FF74FB4208949F75" blockId="10.[151,1437,1256,1821]" pageId="10" pageNumber="217">
|
||
The spicule dimensions of our specimens are generally in good correspondence with those given by
|
||
<bibRefCitation id="EFED4B22F737FFD8FF24FAA60D749F3D" author="Kirkpatrick" box="[151,365,1292,1317]" pageId="10" pageNumber="217" refString="Kirkpatrick, R. (1907) Preliminary Report on the Monaxonellida of the National Antarctic Expedition. Annals and Magazine of Natural History, Series 7, 20 (117), 271 - 291. http: // dx. doi. org / 10.1080 / 00222930709487333" type="journal article" year="1907">Kirkpatrick (1907)</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="EFED4B22F737FFD8FE19FAA60EC19F3D" author="Gocke" box="[426,728,1292,1317]" pageId="10" pageNumber="217" refString="Gocke, C. & Janussen, D. (2013) Hexactinellida of the genus Rossella, of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 102 - 122. http: // dx. doi. org / 10.11646 / zootaxa. 3692.1.6" type="journal article" year="2013">Göcke & Janussen (2013)</bibRefCitation>
|
||
. The dimensions of the middle piece of the calycocomes are longer (6–(10)–13 µm in our specimens,
|
||
<quantity id="4C849B36F737FFD8FDECFA9B0EBC9F51" box="[607,677,1328,1353]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" metricValueMax="10.16" metricValueMin="5.08" pageId="10" pageNumber="217" unit="in" value="3.0" valueMax="4.0" valueMin="2.0">2–4 in</quantity>
|
||
Kirkpatrick, 2.5–5.5 µm in
|
||
<bibRefCitation id="EFED4B22F737FFD8FC50FA9A08EC9F51" author="Gocke" box="[995,1269,1328,1353]" pageId="10" pageNumber="217" refString="Gocke, C. & Janussen, D. (2013) Hexactinellida of the genus Rossella, of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 102 - 122. http: // dx. doi. org / 10.11646 / zootaxa. 3692.1.6" type="journal article" year="2013">Göcke & Janussen 2013</bibRefCitation>
|
||
), however, this may be due to a variation in how these were measured, proportions in images look similar.
|
||
</paragraph>
|
||
<paragraph id="8BC336D3F737FFD8FF74FAD20D649D05" blockId="10.[151,1437,1256,1821]" pageId="10" pageNumber="217">
|
||
The genus
|
||
<taxonomicName id="4C7C4D50F737FFD8FEF2FAD20DB99F89" box="[321,416,1400,1425]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="10" pageNumber="217" phylum="Porifera" rank="genus">
|
||
<emphasis id="B908EAC1F737FFD8FEF2FAD20DB99F89" box="[321,416,1400,1425]" italics="true" pageId="10" pageNumber="217">Rossella</emphasis>
|
||
</taxonomicName>
|
||
is currently in a very problematic state as many of the described species are suspected to be synonyms. Attempts to install synonymies nevertheless were so far not fully successful (see
|
||
<bibRefCitation id="EFED4B22F737FFD8FB60FA360CCB9FC1" author="Barthel" pageId="10" pageNumber="217" refString="Barthel, D. & Tendal, O. S. (1994) Antarctic Hexactinellida. Synopses of the Antarctic Benthos No. 6. Koeltz Scientific Books, Champaign, 154 pp." type="book" year="1994">Barthel & Tendal 1994</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFED4B22F737FFD8FF6DFA6A0DEF9FC1" author="Gocke" box="[222,502,1472,1497]" pageId="10" pageNumber="217" refString="Gocke, C. & Janussen, D. (2013) Hexactinellida of the genus Rossella, of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 102 - 122. http: // dx. doi. org / 10.11646 / zootaxa. 3692.1.6" type="journal article" year="2013">Göcke & Janussen 2013</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C7C4D50F737FFD8FDB9FA6A0EFA9FC0" box="[522,739,1472,1497]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="10" pageNumber="217" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="B908EAC1F737FFD8FDB9FA6A0EFA9FC0" box="[522,739,1472,1497]" italics="true" pageId="10" pageNumber="217">Rossella antarctica</emphasis>
|
||
</taxonomicName>
|
||
nonetheless is a very well defined and accepted species. The species is widely distributed all around the Southern Ocean with
|
||
<collectingCountry id="F36B7643F737FFD8FC7BFA4E08299FE5" box="[968,1072,1508,1533]" name="Antarctica" pageId="10" pageNumber="217">Antarctic</collectingCountry>
|
||
records from the Amundsen/ Bellingshausen Sea,
|
||
<collectingCountry id="F36B7643F737FFD8FE36F9A20DF49C39" box="[389,493,1544,1569]" name="Antarctica" pageId="10" pageNumber="217">Antarctic</collectingCountry>
|
||
Peninsula and South
|
||
<collectingCountry id="F36B7643F737FFD8FD59F9A20FB19C39" box="[746,936,1544,1569]" name="United Kingdom" pageId="10" pageNumber="217">Shetland Islands</collectingCountry>
|
||
, East
|
||
<collectingCountry id="F36B7643F737FFD8FC43F9A208419C39" box="[1008,1112,1544,1569]" name="Antarctica" pageId="10" pageNumber="217">Antarctic</collectingCountry>
|
||
Dronning Maud Land, East
|
||
<collectingCountry id="F36B7643F737FFD8FF24F9860CE69C5D" box="[151,255,1580,1605]" name="Antarctica" pageId="10" pageNumber="217">Antarctic</collectingCountry>
|
||
Enderby Land, East
|
||
<collectingCountry id="F36B7643F737FFD8FE5FF9860E4D9C5D" box="[492,596,1580,1605]" name="Antarctica" pageId="10" pageNumber="217">Antarctic</collectingCountry>
|
||
Wilkes Land, the Ross Sea and the Weddell Sea. It has also been recorded from the sub-Antarctic from Kerguelen, Prince Edward Islands and
|
||
<collectingCountry id="F36B7643F737FFD8FC25F9FA08209C71" box="[918,1081,1616,1641]" name="South Georgia and the South Sandwich Islands" pageId="10" pageNumber="217">South Georgia</collectingCountry>
|
||
and from Namaqua (
|
||
<bibRefCitation id="EFED4B22F737FFD8FA99F9FA0D3C9C95" author="Barthel" pageId="10" pageNumber="217" refString="Barthel, D. & Tendal, O. S. (1994) Antarctic Hexactinellida. Synopses of the Antarctic Benthos No. 6. Koeltz Scientific Books, Champaign, 154 pp." type="book" year="1994">Barthel & Tendal 1994</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFED4B22F737FFD8FE82F9DE0E5D9C95" author="Gocke" box="[305,580,1652,1677]" pageId="10" pageNumber="217" refString="Gocke, C. & Janussen, D. (2013) Hexactinellida of the genus Rossella, of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 102 - 122. http: // dx. doi. org / 10.11646 / zootaxa. 3692.1.6" type="journal article" year="2013">Göcke & Janussen 2013</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFED4B22F737FFD8FDE3F9DF0F5A9C95" author="Van" box="[592,835,1652,1677]" pageId="10" pageNumber="217" refString="Van Soest, R. W. M., Boury-Esnault, N., Hooper, J. N. A., Rutzler, K., de Voogd, N. J., Alvarez de Glasby, B., Hajdu, E., Pisera, A. B., Manconi, R., Schoenberg, C., Janussen, D., Tabachnick, K. R., Klautau, M., Picton, B., Kelly, M., Vacelet, J., Dohrmann, M., Diaz, M. - C. & Cardenas, P. (2015) World Porifera database. Available from: http: // www. marinespecies. org / porifera (accessed 25 March 2015)" type="journal article" year="2015">
|
||
Van Soest
|
||
<emphasis id="B908EAC1F737FFD8FD75F9DC0EE69C95" box="[710,767,1652,1677]" italics="true" pageId="10" pageNumber="217">et al.</emphasis>
|
||
2015
|
||
</bibRefCitation>
|
||
). The Sars Seamount sites may be at the lower end of the depth range for this species, the majority of
|
||
<collectingCountry id="F36B7643F737FFD8FD71F9320F339CA9" box="[706,810,1688,1713]" name="Antarctica" pageId="10" pageNumber="217">Antarctic</collectingCountry>
|
||
specimens have been recorded between 90 and
|
||
<specimenCount id="9D7AFD5AF737FFD8FAE6F93209849CA9" box="[1365,1437,1688,1713]" pageId="10" pageNumber="217" type="generic">
|
||
<quantity id="4C849B36F737FFD8FAE6F93209819CA9" box="[1365,1432,1688,1713]" metricMagnitude="2" metricUnit="m" metricValue="6.0" pageId="10" pageNumber="217" unit="m" value="600.0">600m</quantity>
|
||
.
|
||
</specimenCount>
|
||
<bibRefCitation id="EFED4B22F737FFD8FF24F9160DA59CCD" author="Gocke" box="[151,444,1724,1749]" pageId="10" pageNumber="217" refString="Gocke, C. & Janussen, D. (2013) Hexactinellida of the genus Rossella, of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 102 - 122. http: // dx. doi. org / 10.11646 / zootaxa. 3692.1.6" type="journal article" year="2013">Göcke & Janussen (2013)</bibRefCitation>
|
||
note that during the SYSTCO-I expedition the deepest records of
|
||
<taxonomicName id="4C7C4D50F737FFD8FB1EF91409599CCD" box="[1197,1344,1726,1749]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="10" pageNumber="217" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="B908EAC1F737FFD8FB1EF91409599CCD" box="[1197,1344,1726,1749]" italics="true" pageId="10" pageNumber="217">R. antarctica</emphasis>
|
||
</taxonomicName>
|
||
were in
|
||
<quantity id="4C849B36F737FFD8FF24F94A0CCE9CE1" box="[151,215,1760,1785]" metricMagnitude="2" metricUnit="m" metricValue="6.0" pageId="10" pageNumber="217" unit="m" value="600.0">600m</quantity>
|
||
with deeper stations yielding no specimens. However,
|
||
<bibRefCitation id="EFED4B22F737FFD8FCF5F94A08429CE1" author="Barthel" box="[838,1115,1760,1785]" pageId="10" pageNumber="217" refString="Barthel, D. & Tendal, O. S. (1994) Antarctic Hexactinellida. Synopses of the Antarctic Benthos No. 6. Koeltz Scientific Books, Champaign, 154 pp." type="book" year="1994">Barthel & Tendal (1994)</bibRefCitation>
|
||
do note one record from off Patagonia in
|
||
<quantity id="4C849B36F737FFD8FE9AF8AF0D609D05" box="[297,377,1797,1821]" metricMagnitude="3" metricUnit="m" metricValue="1.1" pageId="10" pageNumber="217" unit="m" value="1100.0">1100m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |