491 lines
53 KiB
XML
491 lines
53 KiB
XML
<document id="C89874A09C571D0962B5DF4163F097E0" ID-DOI="10.11646/zootaxa.3692.1.9" ID-GBIF-Dataset="d25e52db-f40f-4f8c-ab29-564c489de9c7" ID-ISSN="1175-5326" ID-Zenodo-Dep="218976" ID-ZooBank="9DF47E82-8FED-434D-8CB1-81DCBCCB2951" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460652897039" checkinUser="plazi" docAuthor="Rapp, Hans Tore, Göcke, Christian, Tendal, Ole Secher & Janussen, Dorte" docDate="2013" docId="362787948A250C6FFF0AF9AF503C8FB5" docLanguage="en" docName="zt03692p159.pdf" docOrigin="Zootaxa 3692 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leucetta delicata" docType="treatment" docVersion="9" lastPageNumber="156" masterDocId="CA1EFFEC8A200C68FF9DFFD9534E8A5F" masterDocTitle="Two new species of calcareous sponges (Porifera: Calcarea) from the deep Antarctic Eckström Shelf and a revised list of species found in Antarctic waters" masterLastPageNumber="159" masterPageNumber="149" pageNumber="154" updateTime="1698344111411" updateUser="plazi">
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<mods:title id="D0A9B52E5ACE97CDC665954520C58C40">Two new species of calcareous sponges (Porifera: Calcarea) from the deep Antarctic Eckström Shelf and a revised list of species found in Antarctic waters</mods:title>
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<mods:name id="1F933867E30D9369C355B533899AD45E" type="personal">
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<mods:roleTerm id="DB84649F87536D7E4A6BE6336CEF49A7">Author</mods:roleTerm>
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<mods:namePart id="EA6B9B86340C465221689206335FD4BB">Rapp, Hans Tore</mods:namePart>
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<mods:namePart id="DAF7BCFB6CE36FE8EC840865D5708ECE">Göcke, Christian</mods:namePart>
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<mods:roleTerm id="58D6D8053B3239FAB166CF1741C4DA8A">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="04551C225A8479814D79DC3659ACB4CF">Tendal, Ole Secher</mods:namePart>
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</mods:name>
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<mods:namePart id="4262481B32256072C1BFBC8F97079BE3">Janussen, Dorte</mods:namePart>
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<mods:title id="27EFBCA41CA0D5D0D33832F64CFD237E">Zootaxa</mods:title>
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<mods:date id="91420DCEE6A6A9E83CB8D5AABAB47716">2013</mods:date>
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<mods:number id="D0D6B3286724B2D8B1F2339374DDCDEB">3692</mods:number>
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<mods:classification id="D4CFC5DB1032F1C0980AB4C7F72EA11F">journal article</mods:classification>
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<mods:identifier id="11D4B92E76C2B8AFCA3A25EE4CACBCD2" type="DOI">10.11646/zootaxa.3692.1.9</mods:identifier>
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<mods:identifier id="FC5A0E55B98DC9DA234F90369501015B" type="Zenodo-Dep">218976</mods:identifier>
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<treatment id="362787948A250C6FFF0AF9AF503C8FB5" ID-DOI="http://doi.org/10.5281/zenodo.5672238" ID-GBIF-Taxon="119573273" ID-Zenodo-Dep="5672238" LSID="urn:lsid:plazi:treatment:362787948A250C6FFF0AF9AF503C8FB5" httpUri="http://treatment.plazi.org/id/362787948A250C6FFF0AF9AF503C8FB5" lastPageId="7" lastPageNumber="156" pageId="5" pageNumber="154">
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<subSubSection id="F69465098A250C6DFF0AF9AF52268CEE" pageId="5" pageNumber="154" type="nomenclature">
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<paragraph id="BE3136828A250C6DFF0AF9AF528F8CCF" blockId="5.[151,449,1654,1713]" box="[151,449,1654,1680]" pageId="5" pageNumber="154">
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<heading id="E57981EE8A250C6DFF0AF9AF528F8CCF" bold="true" box="[151,449,1654,1680]" fontSize="11" level="1" pageId="5" pageNumber="154" reason="1">
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||
<emphasis id="8CFAEA908A250C6DFF0AF9AF528F8CCF" bold="true" box="[151,449,1654,1680]" pageId="5" pageNumber="154">
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||
<taxonomicName id="798E4D018A250C6DFF0AF9AF522A8CCF" ID-CoL="6PRLG" box="[151,356,1654,1680]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="5" pageNumber="154" phylum="Porifera" rank="species" species="delicata">
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<emphasis id="8CFAEA908A250C6DFF0AF9AF522A8CCF" bold="true" box="[151,356,1654,1680]" italics="true" pageId="5" pageNumber="154">Leucetta delicata</emphasis>
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</taxonomicName>
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sp nov.
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="BE3136828A250C6DFF0AF94052268CEE" blockId="5.[151,449,1654,1713]" box="[151,360,1689,1713]" pageId="5" pageNumber="154">
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(
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<figureCitation id="26B52A078A250C6DFF03F94053B18CEE" box="[158,255,1689,1713]" captionStart="FIGURE 3" captionStartId="6.[151,250,1861,1884]" captionTargetBox="[151,1436,589,1840]" captionTargetId="figure@6.[151,1436,589,1840]" captionTargetPageId="6" captionText="FIGURE 3. Leucetta delicata sp. nov. A. Preserved Holotype (SMF 11868). os = osculum. B. Spicules from L. delicata sp. nov. Bottom left: rte = regular tetractine with very short apical actine. Remaining spicules: rtri = regular triactines of variable size. C. Cross section of the body wall. cx = cortex. ca = canal. atr = atrium. D. Cross section of the cortical region. cx = cortex. cch and arrow = choanocyte chamber (scale bar as in E). E. Cross section of the atrial region. atr = atrium." httpUri="https://zenodo.org/record/218979/files/figure.png" pageId="5" pageNumber="154">Figure 3</figureCitation>
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,
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<tableCitation id="F30C03398A250C6DFE91F94052118CEE" box="[268,351,1689,1713]" captionStart="TABLE 3" captionStartId="7.[151,239,399,423]" captionTargetBox="[159,1348,482,670]" captionTargetPageId="7" captionText="TABLE 3. Spicule measurements of holotype of Leucetta delicata sp. nov. Measurements are given as minimum, mean and maximum values. σ = standard deviation. n = number of spicules measured." httpUri="http://table.plazi.org/id/EAF1660A8A270C6FFF0AFE5650A18B98" pageId="5" pageNumber="154" tableUuid="EAF1660A8A270C6FFF0AFE5650A18B98">Table 3</tableCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="F69465098A250C6DFF0AF93B50398D1E" pageId="5" pageNumber="154" type="materials_examined">
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<paragraph id="BE3136828A250C6DFF0AF93B50D38D42" blockId="5.[151,1436,1761,2037]" pageId="5" pageNumber="154">
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<emphasis id="8CFAEA908A250C6DFF0AF93B52738CA5" bold="true" box="[151,317,1761,1786]" pageId="5" pageNumber="154">
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<typeStatus id="613588208A250C6DFF0AF93B539C8CA5" box="[151,210,1762,1786]" pageId="5" pageNumber="154">Type</typeStatus>
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locality:
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</emphasis>
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Eckström Shelf, Eastern Weddell Sea,
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<taxonomicName id="798E4D018A250C6DFC91F93850CA8CA6" box="[780,900,1761,1785]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="5" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
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<collectingCountry id="C69976128A250C6DFC91F93850CA8CA6" box="[780,900,1761,1785]" name="Antarctica" pageId="5" pageNumber="154">Antarctica</collectingCountry>
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</taxonomicName>
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. SYSTCO station 71/48-1 at
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<geoCoordinate id="DBBA50458A250C6DFB7DF938563C8CA6" box="[1248,1394,1761,1785]" direction="south" orientation="latitude" pageId="5" pageNumber="154" precision="9" value="-70.399">70° 23.94' S</geoCoordinate>
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,
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<geoCoordinate id="DBBA50458A250C6DFA1FF93853B38D42" direction="west" orientation="longitude" pageId="5" pageNumber="154" precision="9" value="-8.319">8° 19.14' W</geoCoordinate>
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,
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<quantity id="79769B678A250C6DFE95F8DC522A8D42" box="[264,356,1797,1821]" metricMagnitude="2" metricUnit="m" metricValue="6.021" pageId="5" pageNumber="154" unit="m" value="602.1">602.1 m</quantity>
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depth to
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<geoCoordinate id="DBBA50458A250C6DFE51F8DC51198D42" box="[460,599,1797,1821]" direction="south" orientation="latitude" pageId="5" pageNumber="154" precision="9" value="-70.39816">70° 23.89' S</geoCoordinate>
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,
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<geoCoordinate id="DBBA50458A250C6DFDFEF8DC51A78D42" box="[611,745,1797,1821]" direction="west" orientation="longitude" pageId="5" pageNumber="154" precision="9" value="-8.311167">8° 18.67' W</geoCoordinate>
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,
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<quantity id="79769B678A250C6DFD69F8DC501E8D42" box="[756,848,1797,1821]" metricMagnitude="2" metricUnit="m" metricValue="5.952" pageId="5" pageNumber="154" unit="m" value="595.2">595.2 m</quantity>
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depth.
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</paragraph>
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<paragraph id="BE3136828A250C6DFF5AF8F350398D1E" blockId="5.[151,1436,1761,2037]" box="[199,887,1833,1858]" pageId="5" pageNumber="154">
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<emphasis id="8CFAEA908A250C6DFF5AF8F352398D1D" bold="true" box="[199,375,1833,1858]" pageId="5" pageNumber="154">
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<typeStatus id="613588208A250C6DFF5AF8F3524C8D1D" box="[199,258,1834,1858]" pageId="5" pageNumber="154">Type</typeStatus>
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material:
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</emphasis>
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<typeStatus id="613588208A250C6DFEE3F8F052A88D1E" box="[382,486,1833,1857]" pageId="5" pageNumber="154" type="holotype">Holotype</typeStatus>
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SMF 11868, from the
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<typeStatus id="613588208A250C6DFD7BF8F350588D1D" box="[742,790,1834,1858]" pageId="5" pageNumber="154">type</typeStatus>
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locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="F69465098A250C6DFF5AF89456528D3A" box="[199,1308,1869,1893]" pageId="5" pageNumber="154" type="etymology">
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<paragraph id="BE3136828A250C6DFF5AF89456528D3A" blockId="5.[151,1436,1761,2037]" box="[199,1308,1869,1893]" pageId="5" pageNumber="154">
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<emphasis id="8CFAEA908A250C6DFF5AF894521F8D3A" bold="true" box="[199,337,1869,1893]" pageId="5" pageNumber="154">Etymology:</emphasis>
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Named from the easily compressible and delicate structure of this species of
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<emphasis id="8CFAEA908A250C6DFB29F89756528D3A" box="[1204,1308,1870,1893]" italics="true" pageId="5" pageNumber="154">
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<taxonomicName id="798E4D018A250C6DFB29F89756568D3A" box="[1204,1304,1870,1893]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="5" pageNumber="154" phylum="Porifera" rank="genus">Leucetta</taxonomicName>
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.
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="F69465098A250C6EFF5AF8A852368AA8" lastPageId="6" lastPageNumber="155" pageId="5" pageNumber="154" type="materials_examined">
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<paragraph id="BE3136828A250C6EFF5AF8A852368AA8" blockId="5.[151,1436,1761,2037]" lastBlockId="6.[151,1437,151,535]" lastPageId="6" lastPageNumber="155" pageId="5" pageNumber="154">
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<emphasis id="8CFAEA908A250C6DFF5AF8A851768DD5" bold="true" box="[199,568,1905,1930]" pageId="5" pageNumber="154">Additional material examined:</emphasis>
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BMNH25.11.1.35a.
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<taxonomicName id="798E4D018A250C6DFCB8F8A850B98DD6" box="[805,1015,1905,1929]" class="Calcarea" family="Leucettidae" genus="Pericharax" kingdom="Animalia" order="Clathrinida" pageId="5" pageNumber="154" phylum="Porifera" rank="species" species="carteri">
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<emphasis id="8CFAEA908A250C6DFCB8F8A850B98DD6" box="[805,1015,1905,1929]" italics="true" pageId="5" pageNumber="154">Pericharax carteri</emphasis>
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</taxonomicName>
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<taxonomicName id="798E4D018A250C6DFC62F8AB56D68DD6" authority="Polejaeff, 1883" authorityName="Polejaeff" authorityYear="1883" box="[1023,1432,1905,1929]" pageId="5" pageNumber="154" rank="variety" variety="homorrhaphis">
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var.
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<emphasis id="8CFAEA908A250C6DFBACF8A857818DD6" box="[1073,1231,1905,1929]" italics="true" pageId="5" pageNumber="154">homorrhaphis</emphasis>
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(Polejaeff, 1883)
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</taxonomicName>
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. Challenger collection.
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<collectingCountry id="C69976128A250C6DFE33F84C51C48DF2" box="[430,650,1941,1965]" name="Saint Helena, Ascension and Tristan da Cunha" pageId="5" pageNumber="154">Tristan da Cunha</collectingCountry>
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.
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<collectingCountry id="C69976128A250C6DFD3CF84C50438DF2" box="[673,781,1941,1965]" name="Antarctica" pageId="5" pageNumber="154">Antarctic</collectingCountry>
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. Discovery Collection. BMNH 10.2.7.1a.
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<taxonomicName id="798E4D018A250C6DFABEF84C52A08D8E" authority="Haeckel, 1872" authorityName="Haeckel" authorityYear="1872" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="5" pageNumber="154" phylum="Porifera" rank="species" species="microrhaphis">
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<emphasis id="8CFAEA908A250C6DFABEF84C52638D8E" italics="true" pageId="5" pageNumber="154">Leucandra microrhaphis</emphasis>
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Haeckel, 1872
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</taxonomicName>
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.
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<collectingCountry id="C69976128A250C6DFD99F86051228D8E" box="[516,620,1977,2001]" name="Antarctica" pageId="5" pageNumber="154">Antarctic</collectingCountry>
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<collectingCountry id="C69976128A250C6DFDE0F860519C8D8E" box="[637,722,1977,2001]" name="Belgium" pageId="5" pageNumber="154">Belgica</collectingCountry>
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Expedition. BMNH07.8.6.65a.
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<taxonomicName id="798E4D018A250C6DFBC6F860562F8D8E" box="[1115,1377,1977,2001]" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="5" pageNumber="154" phylum="Porifera" rank="species" species="primigenia">
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<emphasis id="8CFAEA908A250C6DFBC6F860562F8D8E" box="[1115,1377,1977,2001]" italics="true" pageId="5" pageNumber="154">Leucandra primigenia</emphasis>
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</taxonomicName>
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<taxonomicName id="798E4D018A250C6DFAEFF863528E8DAA" authority="Jenkin, 1908" authorityName="Jenkin" authorityYear="1908" pageId="5" pageNumber="154" rank="variety" variety="leptoraphis">
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var.
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<emphasis id="8CFAEA908A250C6DFF0AF80452598DAA" box="[151,279,2013,2037]" italics="true" pageId="5" pageNumber="154">leptoraphis</emphasis>
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(Jenkin, 1908)
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</taxonomicName>
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(now defined as
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<taxonomicName id="798E4D018A250C6DFD1EF80757D28DAA" authority="Cavalcanti et al. 2013" authorityName="Cavalcanti et al." authorityYear="2013" box="[643,1180,2013,2037]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="5" pageNumber="154" phylum="Porifera" rank="species" species="leptoraphis">
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<emphasis id="8CFAEA908A250C6DFD1EF80750308DAA" box="[643,894,2013,2037]" italics="true" pageId="5" pageNumber="154">Leucascus leptoraphis</emphasis>
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(Cavalcanti
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<emphasis id="8CFAEA908A250C6DFB93F807570E8DAA" box="[1038,1088,2013,2037]" italics="true" pageId="5" pageNumber="154">et al</emphasis>
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||
. 2013))
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</taxonomicName>
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. SMF 10359.
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<taxonomicName id="798E4D018A250C6EFAA6F80752B48AF0" authority="Rapp et al., 2011" authorityName="Rapp et al." authorityYear="2011" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" lastPageId="6" lastPageNumber="155" order="Clathrinida" pageId="5" pageNumber="154" phylum="Porifera" rank="species" species="weddelliana">
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<emphasis id="8CFAEA908A250C6EFAA6F807526E8AEF" italics="true" lastPageId="6" lastPageNumber="155" pageId="5" pageNumber="154">Leucetta weddelliana</emphasis>
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Rapp
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<emphasis id="8CFAEA908A260C6EFEECFF4052EB8AEF" box="[369,421,152,176]" italics="true" pageId="6" pageNumber="155">et al</emphasis>
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., 2011
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</taxonomicName>
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. ANDEEP II Expedition. Weddell Sea.
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<taxonomicName id="798E4D018A260C6EFC4DFF4057E38AEF" box="[976,1197,153,176]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="6" pageNumber="155" phylum="Porifera" rank="species" species="antarctica">
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||
<emphasis id="8CFAEA908A260C6EFC4DFF4057E38AEF" box="[976,1197,153,176]" italics="true" pageId="6" pageNumber="155">Leucetta antarctica</emphasis>
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</taxonomicName>
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. EASIZ Expedition. Weddell Sea, st. nr ps 39/29,
|
||
<date id="CA3010428A260C6EFE7AFF6551258A8B" box="[487,619,188,212]" pageId="6" pageNumber="155" value="1996-02-22">22.02.1996</date>
|
||
., 17°S31.7’W,
|
||
<quantity id="79769B678A260C6EFC89FF6550DB8A8B" box="[788,917,188,212]" metricMagnitude="2" metricUnit="m" metricValue="5.1049999999999995" metricValueMax="5.18" metricValueMin="5.029999999999999" pageId="6" pageNumber="155" unit="m" value="510.5" valueMax="518.0" valueMin="503.0">503–518 m</quantity>
|
||
depth (Identified as
|
||
<taxonomicName id="798E4D018A260C6EFB1FFF6556308A8B" box="[1154,1406,188,212]" class="Calcarea" family="Leucettidae" genus="Pericharax" kingdom="Animalia" order="Clathrinida" pageId="6" pageNumber="155" phylum="Porifera" rank="species" species="pyriformis">
|
||
<emphasis id="8CFAEA908A260C6EFB1FFF6556308A8B" box="[1154,1406,188,212]" italics="true" pageId="6" pageNumber="155">Pericharax pyriformis</emphasis>
|
||
</taxonomicName>
|
||
in Barthel
|
||
<emphasis id="8CFAEA908A260C6EFF6DFF3852668AA7" box="[240,296,224,248]" italics="true" pageId="6" pageNumber="155">et al.</emphasis>
|
||
1997).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F69465098A260C6FFF5AFEDA51EC8961" lastPageId="7" lastPageNumber="156" pageId="6" pageNumber="155" type="description">
|
||
<paragraph id="BE3136828A260C6EFF5AFEDA50C98848" blockId="6.[151,1437,151,535]" pageId="6" pageNumber="155">
|
||
<emphasis id="8CFAEA908A260C6EFF5AFEDA52158B43" bold="true" box="[199,347,259,284]" pageId="6" pageNumber="155">Description:</emphasis>
|
||
The
|
||
<typeStatus id="613588208A260C6EFE0EFEDD52BB8B43" box="[403,501,260,284]" pageId="6" pageNumber="155" type="holotype">holotype</typeStatus>
|
||
is an ovoid and massive tube reaching
|
||
<quantity id="79769B678A260C6EFC34FEDD50BA8B43" box="[937,1012,260,284]" metricMagnitude="-2" metricUnit="m" metricValue="2.2" pageId="6" pageNumber="155" unit="cm" value="2.2">2.2 cm</quantity>
|
||
in height and
|
||
<quantity id="79769B678A260C6EFB0EFEDD57908B43" box="[1171,1246,260,284]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="6" pageNumber="155" unit="cm" value="1.2">1.2 cm</quantity>
|
||
in width. Colour in life and in alcohol is beige (
|
||
<figureCitation id="26B52A078A260C6EFE60FEFE51118B60" box="[509,607,295,319]" captionStart="FIGURE 3" captionStartId="6.[151,250,1861,1884]" captionTargetBox="[151,1436,589,1840]" captionTargetId="figure@6.[151,1436,589,1840]" captionTargetPageId="6" captionText="FIGURE 3. Leucetta delicata sp. nov. A. Preserved Holotype (SMF 11868). os = osculum. B. Spicules from L. delicata sp. nov. Bottom left: rte = regular tetractine with very short apical actine. Remaining spicules: rtri = regular triactines of variable size. C. Cross section of the body wall. cx = cortex. ca = canal. atr = atrium. D. Cross section of the cortical region. cx = cortex. cch and arrow = choanocyte chamber (scale bar as in E). E. Cross section of the atrial region. atr = atrium." httpUri="https://zenodo.org/record/218979/files/figure.png" pageId="6" pageNumber="155">Figure 3</figureCitation>
|
||
A). Surface is smooth. Consistence is soft and compressible. The single apical osculum is naked. Below the osculum there is a small atrial cavity, smooth to slightly echinated because of single actines of choanosomal triactines piercing the atrial wall (may be an artefact due to collection or fixation). Numerous exhalant canals are dispersed in the atrium. The aquiferous system is leuconoid and the skeleton is disorganized, as typical in the genus. The cortex and the atrial walls are thin (
|
||
<figureCitation id="26B52A078A260C6EFC6AFE6E571B8B90" box="[1015,1109,439,463]" captionStart="FIGURE 3" captionStartId="6.[151,250,1861,1884]" captionTargetBox="[151,1436,589,1840]" captionTargetId="figure@6.[151,1436,589,1840]" captionTargetPageId="6" captionText="FIGURE 3. Leucetta delicata sp. nov. A. Preserved Holotype (SMF 11868). os = osculum. B. Spicules from L. delicata sp. nov. Bottom left: rte = regular tetractine with very short apical actine. Remaining spicules: rtri = regular triactines of variable size. C. Cross section of the body wall. cx = cortex. ca = canal. atr = atrium. D. Cross section of the cortical region. cx = cortex. cch and arrow = choanocyte chamber (scale bar as in E). E. Cross section of the atrial region. atr = atrium." httpUri="https://zenodo.org/record/218979/files/figure.png" pageId="6" pageNumber="155">Figure 3</figureCitation>
|
||
D–E), while the choanosome is thick. Triactines are the dominating spicules while very rare tetractines are found sparsely scattered in the choanosome. Sub-cortical spaces are present but poorly developed.
|
||
</paragraph>
|
||
<caption id="EAF1660A8A260C6EFF0AF89C57828DE7" httpUri="https://zenodo.org/record/218979/files/figure.png" pageId="6" pageNumber="155" targetBox="[151,1436,589,1840]" targetPageId="6">
|
||
<paragraph id="BE3136828A260C6EFF0AF89C57828DE7" blockId="6.[151,1437,1861,1976]" pageId="6" pageNumber="155">
|
||
<emphasis id="8CFAEA908A260C6EFF0AF89C525A8D04" bold="true" box="[151,276,1861,1884]" pageId="6" pageNumber="155">FIGURE 3.</emphasis>
|
||
<taxonomicName id="798E4D018A260C6EFE81F89E52828D03" box="[284,460,1862,1884]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="6" pageNumber="155" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A260C6EFE81F89E52828D03" box="[284,460,1862,1884]" italics="true" pageId="6" pageNumber="155">Leucetta delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A260C6EFE49F89F51698D04" bold="true" box="[468,551,1862,1883]" pageId="6" pageNumber="155">
|
||
<taxonomicNameLabel id="97C957EB8A260C6EFE49F89F51698D04" box="[468,551,1862,1883]" pageId="6" pageNumber="155" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A. Preserved Holotype (SMF 11868). os = osculum. B. Spicules from
|
||
<taxonomicName id="798E4D018A260C6EFA95F89E563B8D03" box="[1288,1397,1862,1884]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="6" pageNumber="155" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A260C6EFA95F89E563B8D03" box="[1288,1397,1862,1884]" italics="true" pageId="6" pageNumber="155">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A260C6EFAE0F89F538D8D25" bold="true" pageId="6" pageNumber="155">
|
||
<taxonomicNameLabel id="97C957EB8A260C6EFAE0F89F538D8D25" pageId="6" pageNumber="155" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Bottom left: rte = regular tetractine with very short apical actine. Remaining spicules: rtri = regular triactines of variable size. C. Cross section of the body wall. cx = cortex. ca = canal. atr = atrium. D. Cross section of the cortical region. cx = cortex. cch and arrow = choanocyte chamber (scale bar as in E). E. Cross section of the atrial region. atr = atrium.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="BE3136828A270C6FFF5AFF4E52218B43" blockId="7.[151,1436,151,357]" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFF5AFF4E527C8AEF" bold="true" box="[199,306,151,176]" pageId="7" pageNumber="156">Spicules:</emphasis>
|
||
Triactines: They are regular, equiradiate and equiangular. Actines are conical, with gradually tapering and sharply pointed tips. The size is variable, but the majority of the bigger spicules are tangentially arranged in the cortex. Some larger triactines can also be found in the choanosome (299-392-505 µm x 23.4 µm) (
|
||
<tableCitation id="F30C03398A270C6FFF03FEDD53BB8B43" box="[158,245,260,284]" captionStart="TABLE 3" captionStartId="7.[151,239,399,423]" captionTargetBox="[159,1348,482,670]" captionTargetPageId="7" captionText="TABLE 3. Spicule measurements of holotype of Leucetta delicata sp. nov. Measurements are given as minimum, mean and maximum values. σ = standard deviation. n = number of spicules measured." httpUri="http://table.plazi.org/id/EAF1660A8A270C6FFF0AFE5650A18B98" pageId="7" pageNumber="156" tableUuid="EAF1660A8A270C6FFF0AFE5650A18B98">Table 3</tableCitation>
|
||
,
|
||
<figureCitation id="26B52A078A270C6FFE9CFEDD522F8B43" box="[257,353,260,284]" captionStart="FIGURE 3" captionStartId="6.[151,250,1861,1884]" captionTargetBox="[151,1436,589,1840]" captionTargetId="figure@6.[151,1436,589,1840]" captionTargetPageId="6" captionText="FIGURE 3. Leucetta delicata sp. nov. A. Preserved Holotype (SMF 11868). os = osculum. B. Spicules from L. delicata sp. nov. Bottom left: rte = regular tetractine with very short apical actine. Remaining spicules: rtri = regular triactines of variable size. C. Cross section of the body wall. cx = cortex. ca = canal. atr = atrium. D. Cross section of the cortical region. cx = cortex. cch and arrow = choanocyte chamber (scale bar as in E). E. Cross section of the atrial region. atr = atrium." httpUri="https://zenodo.org/record/218979/files/figure.png" pageId="7" pageNumber="156">Figure 3</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="BE3136828A270C6FFF5AFEFE57F48B3B" blockId="7.[151,1436,151,357]" pageId="7" pageNumber="156">
|
||
Tetractines: The basal system of these spicules is similar to those of the triactines. Apical actines are very short and irregular (134-213-309 µm x 13.1 µm, apical actine up to 15 µm long) (
|
||
<tableCitation id="F30C03398A270C6FFC74FE9557718B3B" box="[1001,1087,332,356]" captionStart="TABLE 3" captionStartId="7.[151,239,399,423]" captionTargetBox="[159,1348,482,670]" captionTargetPageId="7" captionText="TABLE 3. Spicule measurements of holotype of Leucetta delicata sp. nov. Measurements are given as minimum, mean and maximum values. σ = standard deviation. n = number of spicules measured." httpUri="http://table.plazi.org/id/EAF1660A8A270C6FFF0AFE5650A18B98" pageId="7" pageNumber="156" tableUuid="EAF1660A8A270C6FFF0AFE5650A18B98">Table 3</tableCitation>
|
||
,
|
||
<figureCitation id="26B52A078A270C6FFBD1FE9557E58B3B" box="[1100,1195,332,356]" captionStart="FIGURE 3" captionStartId="6.[151,250,1861,1884]" captionTargetBox="[151,1436,589,1840]" captionTargetId="figure@6.[151,1436,589,1840]" captionTargetPageId="6" captionText="FIGURE 3. Leucetta delicata sp. nov. A. Preserved Holotype (SMF 11868). os = osculum. B. Spicules from L. delicata sp. nov. Bottom left: rte = regular tetractine with very short apical actine. Remaining spicules: rtri = regular triactines of variable size. C. Cross section of the body wall. cx = cortex. ca = canal. atr = atrium. D. Cross section of the cortical region. cx = cortex. cch and arrow = choanocyte chamber (scale bar as in E). E. Cross section of the atrial region. atr = atrium." httpUri="https://zenodo.org/record/218979/files/figure.png" pageId="7" pageNumber="156">Figure 3</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="EAF1660A8A270C6FFF0AFE5650A18B98" ID-Table-UUID="EAF1660A8A270C6FFF0AFE5650A18B98" httpUri="http://table.plazi.org/id/EAF1660A8A270C6FFF0AFE5650A18B98" pageId="7" pageNumber="156" targetBox="[159,1348,482,670]" targetIsTable="true" targetPageId="7">
|
||
<paragraph id="BE3136828A270C6FFF0AFE5650A18B98" blockId="7.[151,1435,399,455]" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFF0AFE5652478BF8" bold="true" box="[151,265,399,423]" pageId="7" pageNumber="156">TABLE 3.</emphasis>
|
||
Spicule measurements of holotype of
|
||
<taxonomicName id="798E4D018A270C6FFD3AFE49502E8BF8" box="[679,864,400,423]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFD3AFE49502E8BF8" box="[679,864,400,423]" italics="true" pageId="7" pageNumber="156">Leucetta delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFCFBFE5650F28BF8" bold="true" box="[870,956,399,423]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFCFBFE5650F28BF8" box="[870,956,399,423]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Measurements are given as minimum, mean and maximum values. σ = standard deviation. n = number of spicules measured.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="BE3136828A270C6FFF02FE3B567688C2" pageId="7" pageNumber="156">
|
||
<table id="CC8EC4228A27F397FF02FE3B560A88C1" box="[159,1348,482,670]" gridcols="6" gridrows="5" pageId="7" pageNumber="156">
|
||
<tr id="00BE34C08A27F397FF02FE3B560A8BA6" box="[159,1348,482,505]" gridrow="0" pageId="7" pageNumber="156" rowspan-2="1" rowspan-3="1" rowspan-5="1">
|
||
<th id="436F5DBC8A27F397FF02FE3B52688BA6" box="[159,294,482,505]" gridcol="0" gridrow="0" pageId="7" pageNumber="156">Spicule</th>
|
||
<th id="436F5DBC8A27F397FD9FFE3B51FA8BA6" box="[514,692,482,505]" gridcol="1" gridrow="0" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFD9FFE3A51108BA6" bold="true" box="[514,606,482,505]" pageId="7" pageNumber="156">Length (</emphasis>
|
||
Μ
|
||
<emphasis id="8CFAEA908A270C6FFDF0FE3B51C48BA6" bold="true" box="[621,650,482,505]" pageId="7" pageNumber="156">m)</emphasis>
|
||
</th>
|
||
<th id="436F5DBC8A27F397FB80FE3B579C8BA6" box="[1053,1234,482,505]" gridcol="4" gridrow="0" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFBADFE3B57CD8BA6" bold="true" box="[1072,1155,482,505]" pageId="7" pageNumber="156">Width (</emphasis>
|
||
Μ
|
||
<emphasis id="8CFAEA908A270C6FFB0FFE3B57E18BA6" bold="true" box="[1170,1199,482,505]" pageId="7" pageNumber="156">m)</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="00BE34C08A27F397FF02FDD2560A887D" box="[159,1348,523,546]" gridrow="1" pageId="7" pageNumber="156" rowspan-0="1">
|
||
<td id="436F5DBC8A27F397FD9FFDD251FA887D" box="[514,692,523,546]" gridcol="1" gridrow="1" pageId="7" pageNumber="156">min max</td>
|
||
<td id="436F5DBC8A27F397FC8DFDD25009887D" box="[784,839,523,546]" gridcol="2" gridrow="1" pageId="7" pageNumber="156">mean</td>
|
||
<td id="436F5DBC8A27F397FC0AFDD2509F887D" box="[919,977,523,546]" gridcol="3" gridrow="1" pageId="7" pageNumber="156">s</td>
|
||
<td id="436F5DBC8A27F397FB80FDD2579C887D" box="[1053,1234,523,546]" gridcol="4" gridrow="1" pageId="7" pageNumber="156">mean s</td>
|
||
<td id="436F5DBC8A27F397FAB6FDD2560A887D" box="[1323,1348,523,546]" gridcol="5" gridrow="1" pageId="7" pageNumber="156">n</td>
|
||
</tr>
|
||
<tr id="00BE34C08A27F397FF02FDEC560A8814" box="[159,1348,565,587]" gridrow="2" pageId="7" pageNumber="156">
|
||
<th id="436F5DBC8A27F397FF02FDEC52688814" box="[159,294,565,587]" gridcol="0" gridrow="2" pageId="7" pageNumber="156">Triactines</th>
|
||
<td id="436F5DBC8A27F397FD9FFDEC51FA8814" box="[514,692,565,587]" gridcol="1" gridrow="2" pageId="7" pageNumber="156">299 505</td>
|
||
<td id="436F5DBC8A27F397FC8DFDEC50098814" box="[784,839,565,587]" gridcol="2" gridrow="2" pageId="7" pageNumber="156">392</td>
|
||
<td id="436F5DBC8A27F397FC0AFDEC509F8814" box="[919,977,565,587]" gridcol="3" gridrow="2" pageId="7" pageNumber="156">±42.6</td>
|
||
<td id="436F5DBC8A27F397FB80FDEC579C8814" box="[1053,1234,565,587]" gridcol="4" gridrow="2" pageId="7" pageNumber="156">23.4 ±3.9</td>
|
||
<td id="436F5DBC8A27F397FAB6FDEC560A8814" box="[1323,1348,565,587]" gridcol="5" gridrow="2" pageId="7" pageNumber="156">50</td>
|
||
</tr>
|
||
<tr id="00BE34C08A27F397FF02FD87560A882B" box="[159,1348,606,628]" gridrow="3" pageId="7" pageNumber="156">
|
||
<th id="436F5DBC8A27F397FF02FD875268882B" box="[159,294,606,628]" gridcol="0" gridrow="3" pageId="7" pageNumber="156">Tetractines</th>
|
||
<td id="436F5DBC8A27F397FD9FFD8751FA882B" box="[514,692,606,628]" gridcol="1" gridrow="3" pageId="7" pageNumber="156">134 309</td>
|
||
<td id="436F5DBC8A27F397FC8DFD875009882B" box="[784,839,606,628]" gridcol="2" gridrow="3" pageId="7" pageNumber="156">213</td>
|
||
<td id="436F5DBC8A27F397FC0AFD87509F882B" box="[919,977,606,628]" gridcol="3" gridrow="3" pageId="7" pageNumber="156">±62.5</td>
|
||
<td id="436F5DBC8A27F397FB80FD87579C882B" box="[1053,1234,606,628]" gridcol="4" gridrow="3" pageId="7" pageNumber="156">13.1 ±1.7</td>
|
||
<td id="436F5DBC8A27F397FAB6FD87560A882B" box="[1323,1348,606,628]" gridcol="5" gridrow="3" pageId="7" pageNumber="156">9</td>
|
||
</tr>
|
||
<tr id="00BE34C08A27F397FF02FD51560A88C1" box="[159,1348,648,670]" gridrow="4" pageId="7" pageNumber="156">
|
||
<th id="436F5DBC8A27F397FF02FD51526888C1" box="[159,294,648,670]" gridcol="0" gridrow="4" pageId="7" pageNumber="156">Apical actine</th>
|
||
<td id="436F5DBC8A27F397FD9FFD5151FA88C1" box="[514,692,648,670]" gridcol="1" gridrow="4" pageId="7" pageNumber="156">- 15</td>
|
||
<td id="436F5DBC8A27F397FC8DFD51500988C1" box="[784,839,648,670]" gridcol="2" gridrow="4" pageId="7" pageNumber="156">-</td>
|
||
<td id="436F5DBC8A27F397FC0AFD51509F88C1" box="[919,977,648,670]" gridcol="3" gridrow="4" pageId="7" pageNumber="156">-</td>
|
||
<td id="436F5DBC8A27F397FB80FD51579C88C1" box="[1053,1234,648,670]" gridcol="4" gridrow="4" pageId="7" pageNumber="156">- -</td>
|
||
<td id="436F5DBC8A27F397FAB6FD51560A88C1" box="[1323,1348,648,670]" gridcol="5" gridrow="4" pageId="7" pageNumber="156">2</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="BE3136828A270C6FFF5AFD0651EC8961" blockId="7.[151,1436,734,1515]" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFF5AFD0652BF88A8" bold="true" box="[199,497,734,759]" pageId="7" pageNumber="156">Molecular identification:</emphasis>
|
||
A ITS1-5.8S-ITS2 sequence of the
|
||
<typeStatus id="613588208A270C6FFC15FD0750A488A9" box="[904,1002,734,758]" pageId="7" pageNumber="156" type="holotype">holotype</typeStatus>
|
||
has been deposited in GenBank under the accession number
|
||
<accessionNumber id="A1DDAB618A270C6FFE0AFCDB51588945" box="[407,534,770,794]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/KC874654" pageId="7" pageNumber="156">KC874654</accessionNumber>
|
||
. BLAST search confirmed the poriferan origin of the sequence, with
|
||
<taxonomicName id="798E4D018A270C6FFAA1FCDD52FA8961" authority="Dendy, 1913" authorityName="Dendy" authorityYear="1913" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="chagosensis">
|
||
<emphasis id="8CFAEA908A270C6FFAA1FCDD52508961" italics="true" pageId="7" pageNumber="156">Leucetta chagosensis</emphasis>
|
||
Dendy, 1913
|
||
</taxonomicName>
|
||
as the closest match.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F69465098A270C6FFF5AFC9350C9893D" box="[199,903,842,867]" pageId="7" pageNumber="156" type="distribution">
|
||
<paragraph id="BE3136828A270C6FFF5AFC9350C9893D" blockId="7.[151,1436,734,1515]" box="[199,903,842,867]" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFF5AFC93522C893C" bold="true" box="[199,354,842,867]" pageId="7" pageNumber="156">Distribution:</emphasis>
|
||
Weddell Sea, known only from the
|
||
<typeStatus id="613588208A270C6FFD6BFC925068893C" box="[758,806,843,867]" pageId="7" pageNumber="156">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F69465098A270C6FFF5AFCB6503C8FB5" pageId="7" pageNumber="156" type="discussion">
|
||
<paragraph id="BE3136828A270C6FFF5AFCB6503C8FB5" blockId="7.[151,1436,734,1515]" pageId="7" pageNumber="156">
|
||
<emphasis id="8CFAEA908A270C6FFF5AFCB6527389D8" bold="true" box="[199,317,879,903]" pageId="7" pageNumber="156">Remarks:</emphasis>
|
||
Five species of
|
||
<taxonomicName id="798E4D018A270C6FFE6AFCA9511689D8" box="[503,600,880,903]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="genus">
|
||
<emphasis id="8CFAEA908A270C6FFE6AFCA9511689D8" box="[503,600,880,903]" italics="true" pageId="7" pageNumber="156">Leucetta</emphasis>
|
||
</taxonomicName>
|
||
are at present known from
|
||
<collectingCountry id="C69976128A270C6FFC0CFCB750B789D9" box="[913,1017,878,902]" name="Antarctica" pageId="7" pageNumber="156">Antarctic</collectingCountry>
|
||
waters, namely
|
||
<taxonomicName id="798E4D018A270C6FFB29FCA9539C89F5" authority="Dendy, 1918" authorityName="Dendy" authorityYear="1918" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="8CFAEA908A270C6FFB29FCA9560A89D9" box="[1204,1348,879,903]" italics="true" pageId="7" pageNumber="156">L. antarctica</emphasis>
|
||
Dendy, 1918
|
||
</taxonomicName>
|
||
;
|
||
<taxonomicName id="798E4D018A270C6FFF42FC4D515289F5" authority="Brondsted, 1931" authorityName="Brondsted" authorityYear="1931" box="[223,540,914,939]" class="Calcarea" family="Dendyidae" genus="Soleneiscus" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="apicalis">
|
||
<emphasis id="8CFAEA908A270C6FFF42FC4D521989F4" box="[223,343,915,939]" italics="true" pageId="7" pageNumber="156">L. apicalis</emphasis>
|
||
Brøndsted, 1931
|
||
</taxonomicName>
|
||
;
|
||
<taxonomicName id="798E4D018A270C6FFDB4FC4D502589F5" authority="Jenkin, 1908" authorityName="Jenkin" authorityYear="1908" box="[553,875,914,939]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="gelatinosa">
|
||
<emphasis id="8CFAEA908A270C6FFDB4FC4D51F389F4" box="[553,701,915,939]" italics="true" pageId="7" pageNumber="156">L. gelatinosa</emphasis>
|
||
(Jenkin, 1908)
|
||
</taxonomicName>
|
||
;
|
||
<taxonomicName id="798E4D018A270C6FFCE5FC4D57F589F5" authority="Burton, 1932" authorityName="Burton" authorityYear="1932" box="[888,1211,914,939]" class="Calcarea" family="Leucettidae" genus="Pericharax" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="pyriformis">
|
||
<emphasis id="8CFAEA908A270C6FFCE5FC4D574289F4" box="[888,1036,915,939]" italics="true" pageId="7" pageNumber="156">L. pyriformis</emphasis>
|
||
(Burton, 1932)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="798E4D018A270C6FFB69FC4D52148991" authority="Rapp et al., 2011" authorityName="Rapp et al." authorityYear="2011" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="weddelliana">
|
||
<emphasis id="8CFAEA908A270C6FFB69FC4D56D289F4" box="[1268,1436,915,939]" italics="true" pageId="7" pageNumber="156">L. weddelliana</emphasis>
|
||
Rapp
|
||
<emphasis id="8CFAEA908A270C6FFF44FC6152448991" box="[217,266,950,975]" italics="true" pageId="7" pageNumber="156">et al</emphasis>
|
||
., 2011
|
||
</taxonomicName>
|
||
. Recent work on
|
||
<taxonomicName id="798E4D018A270C6FFD83FC6151318990" box="[542,639,952,975]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="genus">
|
||
<emphasis id="8CFAEA908A270C6FFD83FC6151318990" box="[542,639,952,975]" italics="true" pageId="7" pageNumber="156">Leucetta</emphasis>
|
||
</taxonomicName>
|
||
, including the status of
|
||
<taxonomicName id="798E4D018A270C6FFC11FC6157718991" box="[908,1087,950,975]" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="microrhaphis">
|
||
<emphasis id="8CFAEA908A270C6FFC11FC6157718991" box="[908,1087,950,975]" italics="true" pageId="7" pageNumber="156">L. microrhaphis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="798E4D018A270C6FFBEAFC6156418991" box="[1143,1295,951,975]" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="primigenia">
|
||
<emphasis id="8CFAEA908A270C6FFBEAFC6156418991" box="[1143,1295,951,975]" italics="true" pageId="7" pageNumber="156">L. primigenia</emphasis>
|
||
</taxonomicName>
|
||
has resulted in more limited distribution of these species and they are no longer considered part of the
|
||
<collectingCountry id="C69976128A270C6FFB75FC03561E89AD" box="[1256,1360,986,1010]" name="Antarctica" pageId="7" pageNumber="156">Antarctic</collectingCountry>
|
||
fauna (Valderrama
|
||
<emphasis id="8CFAEA908A270C6FFEB5FBD9522F8E49" box="[296,353,1022,1047]" italics="true" pageId="7" pageNumber="156">et al.</emphasis>
|
||
2009). Material representing species previously published as
|
||
<taxonomicName id="798E4D018A270C6FFB85FBD957368E48" box="[1048,1144,1024,1047]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="genus">
|
||
<emphasis id="8CFAEA908A270C6FFB85FBD957368E48" box="[1048,1144,1024,1047]" italics="true" pageId="7" pageNumber="156">Leucetta</emphasis>
|
||
</taxonomicName>
|
||
spp or species potentially representing
|
||
<taxonomicName id="798E4D018A270C6FFEB4FBFD52C48E64" box="[297,394,1060,1083]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="genus">
|
||
<emphasis id="8CFAEA908A270C6FFEB4FBFD52C48E64" box="[297,394,1060,1083]" italics="true" pageId="7" pageNumber="156">Leucetta</emphasis>
|
||
</taxonomicName>
|
||
from adjacent waters were studied to avoid confusion with
|
||
<taxonomicName id="798E4D018A270C6FFBB0FBFD57EB8E64" box="[1069,1189,1059,1083]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFBB0FBFD57EB8E64" box="[1069,1189,1059,1083]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFB30FBFA56498E64" bold="true" box="[1197,1287,1059,1083]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFB30FBFA56498E64" box="[1197,1287,1059,1083]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(listed under “additional material examined”). Our
|
||
<taxonomicName id="798E4D018A270C6FFDD7FB91518A8E01" box="[586,708,1094,1119]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFDD7FB91518A8E01" box="[586,708,1094,1119]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFD53FB9E50648E00" bold="true" box="[718,810,1095,1119]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFD53FB9E50648E00" box="[718,810,1095,1119]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
bears the strongest similarities to
|
||
<taxonomicName id="798E4D018A270C6FFB25FB9156048E01" box="[1208,1354,1095,1119]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="8CFAEA908A270C6FFB25FB9156048E01" box="[1208,1354,1095,1119]" italics="true" pageId="7" pageNumber="156">L. antarctica</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="798E4D018A270C6FFA18FB91526E8EDC" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="weddelliana">
|
||
<emphasis id="8CFAEA908A270C6FFA18FB91526E8EDC" italics="true" pageId="7" pageNumber="156">L. weddelliana</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="798E4D018A270C6FFEADFBB552978EDC" box="[304,473,1131,1155]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="weddelliana">
|
||
<emphasis id="8CFAEA908A270C6FFEADFBB552978EDC" box="[304,473,1131,1155]" italics="true" pageId="7" pageNumber="156">L. weddelliana</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="798E4D018A270C6FFD89FBB551C08EDC" box="[532,654,1131,1155]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFD89FBB551C08EDC" box="[532,654,1131,1155]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFD04FBB251BB8EDC" bold="true" box="[665,757,1131,1155]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFD04FBB251BB8EDC" box="[665,757,1131,1155]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
both have triactines of very variable size, and the spicules cannot be divided into specific size classes. However, the triactines in
|
||
<taxonomicName id="798E4D018A270C6FFC54FB49570A8EF9" box="[969,1092,1166,1191]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFC54FB49570A8EF9" box="[969,1092,1166,1191]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFBD3FB5657EF8EF9" box="[1102,1185,1167,1190]" pageId="7" pageNumber="156" rank="species">sp. nov</taxonomicNameLabel>
|
||
are almost two times bigger than in
|
||
<emphasis id="8CFAEA908A270C6FFEC8FB6D51438E94" box="[341,525,1203,1227]" italics="true" pageId="7" pageNumber="156">
|
||
<taxonomicName id="798E4D018A270C6FFEC8FB6D51448E94" box="[341,522,1203,1227]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="weddelliana">L. weddelliana</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
In addition
|
||
<taxonomicName id="798E4D018A270C6FFD2CFB6D507C8E94" box="[689,818,1203,1227]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFD2CFB6D507C8E94" box="[689,818,1203,1227]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFCDFFB6A50EB8E94" bold="true" box="[834,933,1203,1227]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFCDFFB6A50EB8E94" box="[834,933,1203,1227]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
presents rare tetractines dispersed in its choanoskeleton.
|
||
<taxonomicName id="798E4D018A270C6FFEC7FB0151758EB1" box="[346,571,1239,1263]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="8CFAEA908A270C6FFEC7FB0151758EB1" box="[346,571,1239,1263]" italics="true" pageId="7" pageNumber="156">Leucetta antarctica</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="798E4D018A270C6FFD1DFB0151B18EB1" box="[640,767,1238,1263]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFD1DFB0151B18EB1" box="[640,767,1238,1263]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFC90FB0E50208EB0" bold="true" box="[781,878,1239,1263]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFC90FB0E50208EB0" box="[781,878,1239,1263]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
have triactines that are similar. However, the maximum size of triactines in
|
||
<taxonomicName id="798E4D018A270C6FFE71FB2551328F4C" box="[492,636,1276,1299]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="8CFAEA908A270C6FFE71FB2551328F4C" box="[492,636,1276,1299]" italics="true" pageId="7" pageNumber="156">L. antarctica</emphasis>
|
||
</taxonomicName>
|
||
is around 360
|
||
<date id="CA3010428A270C6FFCBEFB22501B8F4D" box="[803,853,1274,1298]" pageId="7" pageNumber="156" value="1935-10">x 35</date>
|
||
µm (Dendy 1918), while the average size is around 390
|
||
<date id="CA3010428A270C6FFF5AFAC653B68F69" box="[199,248,1310,1334]" pageId="7" pageNumber="156" value="1923-10">x 23</date>
|
||
µm in
|
||
<taxonomicName id="798E4D018A270C6FFEDBFAF952F38F69" box="[326,445,1310,1335]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFEDBFAF952F38F69" box="[326,445,1310,1335]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFE59FAC651538F68" bold="true" box="[452,541,1311,1335]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFE59FAC651538F68" box="[452,541,1311,1335]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
No tetractines have been found in
|
||
<taxonomicName id="798E4D018A270C6FFC3DFAF957618F69" box="[928,1071,1311,1335]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="8CFAEA908A270C6FFC3DFAF957618F69" box="[928,1071,1311,1335]" italics="true" pageId="7" pageNumber="156">L. antarctica</emphasis>
|
||
</taxonomicName>
|
||
, and while the tips of the actines are sharply pointed in
|
||
<taxonomicName id="798E4D018A270C6FFE12FA9D51498F04" box="[399,519,1347,1371]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFE12FA9D51498F04" box="[399,519,1347,1371]" italics="true" pageId="7" pageNumber="156">L. delicata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFD91FA9A51128F05" box="[524,604,1347,1370]" pageId="7" pageNumber="156" rank="species">sp. nov</taxonomicNameLabel>
|
||
they are slightly blunt in
|
||
<taxonomicName id="798E4D018A270C6FFCE4FA9D57498F04" box="[889,1031,1348,1371]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="antarctica">
|
||
<emphasis id="8CFAEA908A270C6FFCE4FA9D57498F04" box="[889,1031,1348,1371]" italics="true" pageId="7" pageNumber="156">L. antarctica</emphasis>
|
||
</taxonomicName>
|
||
. In ongoing molecular phylogenetic analyses based on the D2 region of 28S as well as the entire region comprising the two spacers (ITS1 and ITS2) and the
|
||
<geoCoordinate id="DBBA50458A270C6FFF6BFA5352678FFD" box="[246,297,1418,1442]" direction="south" orientation="latitude" pageId="7" pageNumber="156" precision="5555" value="-5.8">5.8S</geoCoordinate>
|
||
ribosomal DNA, comprising a high number of clathrinid taxa,
|
||
<taxonomicName id="798E4D018A270C6FFB92FA55579A8FFC" box="[1039,1236,1419,1443]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="delicata" status="sp. nov.">
|
||
<emphasis id="8CFAEA908A270C6FFB92FA55579A8FFC" box="[1039,1236,1419,1443]" italics="true" pageId="7" pageNumber="156">Leucetta delicata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="8CFAEA908A270C6FFB42FA5256728FFC" bold="true" box="[1247,1340,1419,1443]" pageId="7" pageNumber="156">
|
||
<taxonomicNameLabel id="97C957EB8A270C6FFB42FA5256728FFC" box="[1247,1340,1419,1443]" pageId="7" pageNumber="156" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
clusters within a well-defined group also containing
|
||
<taxonomicName id="798E4D018A270C6FFD11FA69507F8F99" box="[652,817,1454,1479]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="species" species="chagosensis">
|
||
<emphasis id="8CFAEA908A270C6FFD11FA69507F8F99" box="[652,817,1454,1479]" italics="true" pageId="7" pageNumber="156">L. chagosensis</emphasis>
|
||
</taxonomicName>
|
||
and with an unidentified
|
||
<collectingCountry id="C69976128A270C6FFBC9FA7757F28F99" box="[1108,1212,1454,1478]" name="Antarctica" pageId="7" pageNumber="156">Antarctic</collectingCountry>
|
||
species of
|
||
<taxonomicName id="798E4D018A270C6FFAA1FA6956D28F98" box="[1340,1436,1456,1479]" class="Calcarea" family="Leucettidae" genus="Leucetta" kingdom="Animalia" order="Clathrinida" pageId="7" pageNumber="156" phylum="Porifera" rank="genus">
|
||
<emphasis id="8CFAEA908A270C6FFAA1FA6956D28F98" box="[1340,1436,1456,1479]" italics="true" pageId="7" pageNumber="156">Leucetta</emphasis>
|
||
</taxonomicName>
|
||
as the most closely related species (Klautau
|
||
<emphasis id="8CFAEA908A270C6FFD1BFA0D51F08FB4" box="[646,702,1491,1515]" italics="true" pageId="7" pageNumber="156">et al.</emphasis>
|
||
in preparation).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |