436 lines
49 KiB
XML
436 lines
49 KiB
XML
<document id="03EA26EB35AC0D27D1078993CD3831E3" ID-DOI="10.11646/zootaxa.3619.3.3" ID-GBIF-Dataset="2719c069-24fe-4cd6-967d-aea11f80e344" ID-ISSN="1175-5326" ID-Zenodo-Dep="221852" ID-ZooBank="92C07D63-F2F5-4898-A7FE-4937F4D5A043" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460577976854" checkinUser="plazi" docAuthor="Cavalcanti, Fernanda F., Rapp, Hans Tore & Klautau, Michelle" docDate="2013" docId="038E706DEC077453FF172D1DC6B2FC93" docLanguage="en" docName="zt03619p314.pdf" docOrigin="Zootaxa 3619 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leucascus albus Cavalcanti, Rapp & Klautau, 2013, sp. nov." docType="treatment" docVersion="10" lastPageNumber="297" masterDocId="FFB70815EC147445FF802B45C42DFF87" masterDocTitle="Taxonomic revision of Leucascus Dendy, 1892 (Porifera: Calcarea) with revalidation of Ascoleucetta Dendy & Frederick, 1924 and description of three new species" masterLastPageNumber="314" masterPageNumber="275" pageNumber="294" updateTime="1698323617962" updateUser="plazi">
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<mods:mods id="CCFA6260F7236D04CCA9E58A23D09F07" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="6A4B73080DD71E21C220E2C884B8D4A7">
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<mods:title id="44613C07445D89738EFB7FA819DD6C9B">Taxonomic revision of Leucascus Dendy, 1892 (Porifera: Calcarea) with revalidation of Ascoleucetta Dendy & Frederick, 1924 and description of three new species</mods:title>
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</mods:titleInfo>
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<mods:name id="B4008C0B0D96735DC3FB15996CACC84B" type="personal">
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<mods:role id="20E3AEC0C2AFB61A9ABF61C9277520C5">
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<mods:roleTerm id="3B5D2F7811063413E0666245EC7B2673">Author</mods:roleTerm>
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<mods:namePart id="D34198329E9A2D75CA7578A02CA64C9C">Cavalcanti, Fernanda F.</mods:namePart>
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</mods:name>
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<mods:name id="916B9053DAF9E9A9B702D88A284DD96B" type="personal">
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<mods:roleTerm id="1ABBB29FAF5601B8C9CD0386CA28B497">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="5BFF60515AF775B117AC9713AA3205CF">Rapp, Hans Tore</mods:namePart>
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</mods:name>
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<mods:name id="D04CAC8775E20880B3A64CB484270AF0" type="personal">
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<mods:roleTerm id="47C4BE4A667DA1BB476A5DF4BF570610">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="36AE08321944E0CE295EC29E6BE65A59">Klautau, Michelle</mods:namePart>
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<mods:typeOfResource id="800379E983DAA0D4E49A4B8E0C532EF2">text</mods:typeOfResource>
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<mods:title id="335CC3E1EE759E3BB7C69C5600725158">Zootaxa</mods:title>
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<mods:part id="8E0833F63311C1E993961D4DBB61629B">
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<mods:date id="6C56F76289B96C4E1E3AB1DBC274A92D">2013</mods:date>
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<mods:detail id="E13E65097F085EB9CFC81C8FF59F75B6" type="volume">
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<mods:number id="1A6B09F58D8F35CD6C99943D395E76AB">3619</mods:number>
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<mods:number id="EE572CA15CE1DE80F57E0E5E404DA19E">3</mods:number>
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<mods:classification id="1B9A165F86F49852858021A6EA41FA31">journal article</mods:classification>
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<mods:identifier id="7CEA80A3563D37AB03EDB33EDB3C9C78" type="DOI">10.11646/zootaxa.3619.3.3</mods:identifier>
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<mods:identifier id="97ECE167AC598989528D10D4D8E55103" type="GBIF-Dataset">2719c069-24fe-4cd6-967d-aea11f80e344</mods:identifier>
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<mods:identifier id="DCA6674BB26B080E54068D8DC402728C" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="35AA364ED86D7112F3D8625F087C77A0" type="Zenodo-Dep">221852</mods:identifier>
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<treatment id="038E706DEC077453FF172D1DC6B2FC93" ID-DOI="http://doi.org/10.5281/zenodo.6153192" ID-GBIF-Taxon="119560646" ID-Zenodo-Dep="6153192" LSID="urn:lsid:plazi:treatment:038E706DEC077453FF172D1DC6B2FC93" httpUri="http://treatment.plazi.org/id/038E706DEC077453FF172D1DC6B2FC93" lastPageId="22" lastPageNumber="297" pageId="19" pageNumber="294">
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<subSubSection id="C33D92F0EC077456FF172D1DC5EEF9F5" box="[151,451,1624,1650]" pageId="19" pageNumber="294" type="nomenclature">
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||
<paragraph id="8B98C17BEC077456FF172D1DC5EEF9F5" blockId="19.[151,451,1624,1650]" box="[151,451,1624,1650]" pageId="19" pageNumber="294">
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||
<heading id="D0D07617EC077456FF172D1DC5EEF9F5" bold="true" box="[151,451,1624,1650]" fontSize="11" level="1" pageId="19" pageNumber="294" reason="1">
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<emphasis id="B9531D69EC077456FF172D1DC5EEF9F5" bold="true" box="[151,451,1624,1650]" pageId="19" pageNumber="294">
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<taxonomicName id="4C27BAF8EC077456FF172D1DC573F9F5" ID-CoL="6PS9M" box="[151,350,1624,1650]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="19" pageNumber="294" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
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<emphasis id="B9531D69EC077456FF172D1DC573F9F5" bold="true" box="[151,350,1624,1650]" italics="true" pageId="19" pageNumber="294">Leucascus albus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A260A012EC077456FEE52D1DC5EEF9F5" box="[357,451,1624,1650]" pageId="19" pageNumber="294" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C33D92F0EC077456FF172DDDC71DF937" box="[151,816,1688,1712]" pageId="19" pageNumber="294" type="etymology">
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<paragraph id="8B98C17BEC077456FF172DDDC71DF937" blockId="19.[151,1436,1688,2036]" box="[151,816,1688,1712]" pageId="19" pageNumber="294">
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<emphasis id="B9531D69EC077456FF172DDDC535F937" box="[151,280,1688,1712]" italics="true" pageId="19" pageNumber="294">Etymology:</emphasis>
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Latin
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<taxonomicName id="4C27BAF8EC077456FEE12DDDC5B0F937" box="[353,413,1688,1712]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="19" pageNumber="294" phylum="Porifera" rank="species" species="albus">
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<emphasis id="B9531D69EC077456FEE12DDDC5B0F937" box="[353,413,1688,1712]" italics="true" pageId="19" pageNumber="294">albus</emphasis>
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</taxonomicName>
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: white. Describing the colour alive.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33D92F0EC077456FF472DF8C717F89B" pageId="19" pageNumber="294" type="diagnosis">
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<paragraph id="8B98C17BEC077456FF472DF8C6A6F97F" blockId="19.[151,1436,1688,2036]" pageId="19" pageNumber="294">
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<emphasis id="B9531D69EC077456FF472DF8C56CF953" box="[199,321,1725,1748]" italics="true" pageId="19" pageNumber="294">Diagnosis:</emphasis>
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Colour alive is white. Microdiactines are present in the skeleton. Atrial skeleton composed of the same proportion of triactines and tetractines.
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</paragraph>
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<paragraph id="8B98C17BEC077456FF472C40C717F89B" blockId="19.[151,1436,1688,2036]" box="[199,826,1796,1820]" pageId="19" pageNumber="294">
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<emphasis id="B9531D69EC077456FF472C40C623F89B" box="[199,526,1796,1820]" italics="true" pageId="19" pageNumber="294">
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Synonym:
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<taxonomicName id="4C27BAF8EC077456FEBC2C40C623F89B" authority="Muricy et al. 1991: 1187" authorityName="Muricy et al." authorityPageNumber="1187" authorityYear="1991" box="[316,526,1796,1820]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="19" pageNumber="294" phylum="Porifera" rank="species" species="simplex">Leucascus simplex</taxonomicName>
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</emphasis>
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: Muricy
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<emphasis id="B9531D69EC077456FDF52C40C68AF89B" box="[629,679,1796,1820]" italics="true" pageId="19" pageNumber="294">et al</emphasis>
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. 1991: 1187.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33D92F0EC077451FF472C6CC1BBF84B" lastPageId="20" lastPageNumber="295" pageId="19" pageNumber="294" type="materials_examined">
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<paragraph id="8B98C17BEC077456FF472C6CC50EF857" blockId="19.[151,1436,1688,2036]" pageId="19" pageNumber="294">
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<emphasis id="B9531D69EC077456FF472C6CC544F8C7" box="[199,361,1832,1856]" italics="true" pageId="19" pageNumber="294">
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<typeStatus id="549C7FD9EC077456FF472C6CC4D4F8C7" box="[199,249,1833,1856]" pageId="19" pageNumber="294">Type</typeStatus>
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material:
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</emphasis>
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UFRJPOR 5252 (
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<typeStatus id="549C7FD9EC077456FDBB2C6DC68FF8C7" box="[571,674,1832,1856]" pageId="19" pageNumber="294" type="holotype">holotype</typeStatus>
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; Enseada, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC077456FB142C6DC0F1F8C7" box="[1172,1244,1832,1856]" name="Brazil" pageId="19" pageNumber="294">Brazil</collectingCountry>
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; coll. G. Muricy;
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<date id="FF99E7BBEC077456FF172C09C508F8E3" box="[151,293,1868,1892]" pageId="19" pageNumber="294" value="1986-12-06">06/XII/1986</date>
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; colour
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<emphasis id="B9531D69EC077456FE082C08C5F4F8E3" box="[392,473,1869,1892]" italics="true" pageId="19" pageNumber="294">in vivo</emphasis>
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: white), UFRJPOR 3126 (
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<typeStatus id="549C7FD9EC077456FC972C09C750F8E3" box="[791,893,1868,1892]" pageId="19" pageNumber="294" type="paratype">paratype</typeStatus>
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; Ponta do Anequim, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC077456FF782C35C56DF80F" box="[248,320,1904,1928]" name="Brazil" pageId="19" pageNumber="294">Brazil</collectingCountry>
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; coll. E. Hajdu;
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<date id="FF99E7BBEC077456FE7D2C35C6A7F80F" box="[509,650,1904,1928]" pageId="19" pageNumber="294" value="1988-12-26">26/XII/1988</date>
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; depth:
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<quantity id="4CDF6C9EEC077456FD672C35C709F80F" box="[743,804,1904,1928]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="19" pageNumber="294" unit="m" value="12.0">12 m</quantity>
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; colour
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<emphasis id="B9531D69EC077456FC022C34C7E2F80F" box="[898,975,1905,1928]" italics="true" pageId="19" pageNumber="294">in vivo</emphasis>
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: white), and UFRJPOR 5089 (
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<typeStatus id="549C7FD9EC077456FAB22C35C1B5F80F" box="[1330,1432,1904,1928]" pageId="19" pageNumber="294" type="paratype">paratype</typeStatus>
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; Ponta do Anequim, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC077456FD7B2CD1C76EF82B" box="[763,835,1940,1964]" name="Brazil" pageId="19" pageNumber="294">Brazil</collectingCountry>
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; coll. E. Hajdu;
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<date id="FF99E7BBEC077456FB802CD1C0A3F82B" box="[1024,1166,1940,1964]" pageId="19" pageNumber="294" value="1988-12-26">26/XII/1988</date>
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; depth:
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<quantity id="4CDF6C9EEC077456FB6A2CD1C105F82B" box="[1258,1320,1940,1964]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="19" pageNumber="294" unit="m" value="12.0">12 m</quantity>
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; colour
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<emphasis id="B9531D69EC077456FA062CD0C4EBF857" italics="true" pageId="19" pageNumber="294">in vivo</emphasis>
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: white).
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</paragraph>
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<paragraph id="8B98C17BEC077456FF472C98C708F873" blockId="19.[151,1436,1688,2036]" box="[199,805,2012,2036]" pageId="19" pageNumber="294">
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<emphasis id="B9531D69EC077456FF472C98C572F873" box="[199,351,2012,2036]" italics="true" pageId="19" pageNumber="294">
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<typeStatus id="549C7FD9EC077456FF472C98C4D6F873" box="[199,251,2013,2036]" pageId="19" pageNumber="294">Type</typeStatus>
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locality:
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</emphasis>
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Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC077456FD592C99C70CF873" box="[729,801,2012,2036]" name="Brazil" pageId="19" pageNumber="294">Brazil</collectingCountry>
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.
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</paragraph>
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<caption id="DF5891F3EC007451FF172DECC686F97B" httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="20" pageNumber="295" targetBox="[158,1428,184,1689]" targetPageId="20">
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<paragraph id="8B98C17BEC007451FF172DECC686F97B" blockId="20.[151,1436,1705,1788]" pageId="20" pageNumber="295">
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<emphasis id="B9531D69EC007451FF172DECC50CF939" bold="true" box="[151,289,1705,1728]" pageId="20" pageNumber="295">FIGURE 12.</emphasis>
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<taxonomicName id="4C27BAF8EC007451FEAA2DEFC5FEF938" box="[298,467,1705,1727]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="20" pageNumber="295" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
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<emphasis id="B9531D69EC007451FEAA2DEFC5FEF938" box="[298,467,1705,1727]" italics="true" pageId="20" pageNumber="295">Leucascus albus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A260A012EC007451FE5B2DEFC60BF938" box="[475,550,1706,1727]" pageId="20" pageNumber="295" rank="species">sp. nov</taxonomicNameLabel>
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(UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine.
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</paragraph>
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</caption>
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<paragraph id="8B98C17BEC007451FF472C61C1BBF84B" blockId="20.[151,1436,1828,2032]" pageId="20" pageNumber="295">
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<emphasis id="B9531D69EC007451FF472C61C638F8BB" box="[199,533,1828,1852]" italics="true" pageId="20" pageNumber="295">Additional analysed material:</emphasis>
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UFRJPOR 5055 (Gruta Azul, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC007451FB742C61C117F8BB" box="[1268,1338,1828,1852]" name="Brazil" pageId="20" pageNumber="295">Brazil</collectingCountry>
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; coll. N. Boury-Esnault;
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<date id="FF99E7BBEC007451FEC72C02C5E4F8D8" box="[327,457,1863,1887]" pageId="20" pageNumber="295" value="1987-06-13">13/VI/1987</date>
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; colour
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<emphasis id="B9531D69EC007451FDA52C0CC65CF8E7" box="[549,625,1865,1888]" italics="true" pageId="20" pageNumber="295">in vivo</emphasis>
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: white), UFRJPOR 5061 (Gruta Azul, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC007451FF172C29C4F0F803" box="[151,221,1900,1924]" name="Brazil" pageId="20" pageNumber="295">Brazil</collectingCountry>
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; coll. N. Boury-Esnault;
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<date id="FF99E7BBEC007451FE732C29C658F803" box="[499,629,1900,1924]" pageId="20" pageNumber="295" value="1987-06-13">13/VI/1987</date>
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; colour
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<emphasis id="B9531D69EC007451FD4F2C28C734F803" box="[719,793,1901,1924]" italics="true" pageId="20" pageNumber="295">in vivo</emphasis>
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: white), UFRJPOR 5092 (Enseadinha, Ilha de Cabo Frio, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC007451FD972CCAC670F820" box="[535,605,1935,1959]" name="Brazil" pageId="20" pageNumber="295">Brazil</collectingCountry>
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; coll. E. Hajdu;
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<date id="FF99E7BBEC007451FC9D2CCAC7B3F820" box="[797,926,1935,1959]" pageId="20" pageNumber="295" value="1988-03-07">07/III/1988</date>
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; colour
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<emphasis id="B9531D69EC007451FC7C2CD4C064F82F" box="[1020,1097,1937,1960]" italics="true" pageId="20" pageNumber="295">in vivo</emphasis>
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: white), and UFRJPOR 5117 (Racha de Nossa Senhora, Arraial do Cabo, Rio de Janeiro,
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<collectingCountry id="F33081EBEC007451FCA52CF1C746F84B" box="[805,875,1972,1996]" name="Brazil" pageId="20" pageNumber="295">Brazil</collectingCountry>
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; coll. E. Hajdu;
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<date id="FF99E7BBEC007451FB9B2CF1C0B7F84B" box="[1051,1178,1972,1996]" pageId="20" pageNumber="295" value="1988-03-17">17/III/1988</date>
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; colour
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<emphasis id="B9531D69EC007451FB722CF0C117F84B" box="[1266,1338,1973,1996]" italics="true" pageId="20" pageNumber="295">in vivo</emphasis>
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: white).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33D92F0EC007450FF472C9CC1BFFC00" lastPageId="21" lastPageNumber="296" pageId="20" pageNumber="295" type="description">
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<paragraph id="8B98C17BEC007450FF472C9CC147FE9B" blockId="20.[151,1436,1828,2032]" lastBlockId="21.[151,1436,151,572]" lastPageId="21" lastPageNumber="296" pageId="20" pageNumber="295">
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<emphasis id="B9531D69EC007451FF472C9CC579F877" box="[199,340,2009,2032]" italics="true" pageId="20" pageNumber="295">Description:</emphasis>
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Colour in both alive and preserved specimens is white. The cormus is lobate and covered by a thin membrane (
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<figureCitation id="131CDDFEEC017450FED12BD2C5EFFF28" box="[337,450,151,175]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="21" pageNumber="296">Figure 12</figureCitation>
|
||
A). Below this membrane there is a mesh of tightly anastomosed tubes. The surface is smooth. Oscula are numerous and surrounded by the same membrane that covers the cormus. The atrial cavity is wide and covered by a membrane. The
|
||
<typeStatus id="549C7FD9EC017450FDEA2B9AC6E1FF70" box="[618,716,223,247]" pageId="21" pageNumber="296" type="holotype">holotype</typeStatus>
|
||
measures
|
||
<date id="FF99E7BBEC017450FCC92B9AC75DFF70" box="[841,880,223,247]" pageId="21" pageNumber="296">3 x</date>
|
||
<quantity id="4CDF6C9EEC017450FCFA2B9AC798FF70" box="[890,949,223,247]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="21" pageNumber="296" unit="cm" value="1.0">1 cm</quantity>
|
||
(base x height), but there are some other fragments together with the largest one. It is attached to the calcareous algae
|
||
<taxonomicName id="4C27BAF8EC017450FC752A40C0B3FE9B" box="[1013,1182,260,284]" family="Corallinaceae" genus="Jania" higherTaxonomySource="CoL" kingdom="Plantae" order="Cryptonemiales" pageId="21" pageNumber="296" phylum="Rhodophyta" rank="species" species="ungulata">
|
||
<emphasis id="B9531D69EC017450FC752A40C0B3FE9B" box="[1013,1182,260,284]" italics="true" pageId="21" pageNumber="296">Jania ungulata</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C27BAF8EC017450FB542A40C14FFE9B" box="[1236,1378,260,284]" family="Corallinaceae" genus="Jania" higherTaxonomySource="CoL" kingdom="Plantae" order="Cryptonemiales" pageId="21" pageNumber="296" phylum="Rhodophyta" rank="species" species="adhaerens">
|
||
<emphasis id="B9531D69EC017450FB542A40C14FFE9B" box="[1236,1378,260,284]" italics="true" pageId="21" pageNumber="296">J. adhaerens</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF472A62C7FDFDBB" blockId="21.[151,1436,151,572]" pageId="21" pageNumber="296">
|
||
Skeleton composed of triactines, tetractines, and microdiactines. All these spicule
|
||
<typeStatus id="549C7FD9EC017450FBF42A6DC082FEC7" box="[1140,1199,296,320]" pageId="21" pageNumber="296">types</typeStatus>
|
||
can be found in any region of the sponge, but they vary in abundance. Microdiactines are extremely rare. They were found protruding from the cortex (
|
||
<figureCitation id="131CDDFEEC017450FED82A2AC5E7FE00" box="[344,458,367,391]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="21" pageNumber="296">Figure 12</figureCitation>
|
||
B), inserted in the tubes, and also in some atrial sections. In the cortical skeleton, the triactines are the most abundant spicules (
|
||
<figureCitation id="131CDDFEEC017450FDE92AD1C6F4FE2B" box="[617,729,404,428]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="21" pageNumber="296">Figure 12</figureCitation>
|
||
C). This category is also the main component of the skeleton of the tubes, although tetractines are also present, pointing their apical actines into the lumen (
|
||
<figureCitation id="131CDDFEEC017450FB3A2AF2C101FE48" box="[1210,1324,439,463]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="21" pageNumber="296">Figure 12</figureCitation>
|
||
D). In the atrium, both triactines and tetractines are present, and none of them appear to be more abundant (
|
||
<figureCitation id="131CDDFEEC017450FA8A2A99C151FE73" box="[1290,1404,476,500]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="21" pageNumber="296">Figure 12</figureCitation>
|
||
E). Small triactines and tetractines can be found all along the sponge body. These spicules were considered as juveniles, but as they were abundant, measurements were taken (
|
||
<tableCitation id="C6A5F4C0EC017450FCEC2961C7EFFDBB" box="[876,962,548,572]" captionStart="TABLE 8" captionStartId="21.[151,239,619,643]" captionText="TABLE 8. Spicules measurements (µm) of the type specimens of Leucascus albus sp. nov. (H: holotype; P: paratype)." pageId="21" pageNumber="296">Table 8</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF5891F3EC017450FF17292EC1ABFD04" box="[151,1414,619,643]" pageId="21" pageNumber="296">
|
||
<paragraph id="8B98C17BEC017450FF17292EC1ABFD04" blockId="21.[151,1414,619,643]" box="[151,1414,619,643]" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF17292EC527FD04" bold="true" box="[151,266,619,643]" pageId="21" pageNumber="296">TABLE 8.</emphasis>
|
||
Spicules measurements (µm) of the type specimens of
|
||
<taxonomicName id="4C27BAF8EC017450FCD82929C025FD04" box="[856,1032,620,643]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="21" pageNumber="296" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
|
||
<emphasis id="B9531D69EC017450FCD82929C025FD04" box="[856,1032,620,643]" italics="true" pageId="21" pageNumber="296">Leucascus albus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A260A012EC017450FB8E2929C04CFD04" box="[1038,1121,620,643]" pageId="21" pageNumber="296" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(H: holotype; P: paratype).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B98C17BEC017450FF4629E7C1AEFD3F" blockId="21.[160,1427,674,1772]" box="[198,1411,674,697]" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF4629E7C1AEFD3F" bold="true" box="[198,1411,674,697]" pageId="21" pageNumber="296">Spicules/ Specimens Actine Length (µm) Width (µm) N</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FDD22989C116FD65" blockId="21.[160,1427,674,1772]" box="[594,1339,716,738]" pageId="21" pageNumber="296">Min Mean SD Max Min Mean SD Max</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF2029B0C4D1FC8C" blockId="21.[160,1427,674,1772]" box="[160,252,757,779]" pageId="21" pageNumber="296">Triactine</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF46285AC1BFFCB3" blockId="21.[160,1427,674,1772]" box="[198,1426,799,821]" pageId="21" pageNumber="296">UFRJPOR 5252 (H) 80.6 90.1 4.3 98.8 7.8 8.8 0.7 10.4 30</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF46280CC1BFFCD9" blockId="21.[160,1427,674,1772]" box="[198,1426,840,863]" pageId="21" pageNumber="296">UFRJPOR 3126 (P) 80.6 93.5 7.3 109.2 7.8 8.2 0.6 9.1 30</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462837C1BFFC00" blockId="21.[160,1427,674,1772]" box="[198,1426,881,904]" pageId="21" pageNumber="296">UFRJPOR 5089 (P) 78.0 90.6 6.1 109.2 7.8 8.0 0.6 10.4 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF4628DEC1BFFB84" pageId="21" pageNumber="296" type="materials_examined">
|
||
<paragraph id="8B98C17BEC017450FF4628DEC1BEFC37" blockId="21.[160,1427,674,1772]" box="[198,1427,922,945]" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF4628DEC1BEFC37" bold="true" box="[198,1427,922,945]" pageId="21" pageNumber="296">All specimens 79.7 91.4 5.9 105.7 7.8 8.3 0.6 10.0 –</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF202881C563FC5D" blockId="21.[160,1427,674,1772]" box="[160,334,964,986]" pageId="21" pageNumber="296">Juvenile triactine</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF4628ABC1BFFB84" blockId="21.[160,1427,674,1772]" box="[198,1426,1005,1028]" pageId="21" pageNumber="296">UFRJPOR 5252 (H) 26.0 43.8 8.2 57.2 5.2 7.7 0.6 9.1 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF462F52C1BFFBD1" pageId="21" pageNumber="296" type="description">
|
||
<paragraph id="8B98C17BEC017450FF462F52C1BFFBAB" blockId="21.[160,1427,674,1772]" box="[198,1426,1047,1069]" pageId="21" pageNumber="296">UFRJPOR 3126 (P) 23.4 40.1 9.2 59.8 5.2 7.2 0.8 7.8 30</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462F04C1BFFBD1" blockId="21.[160,1427,674,1772]" box="[198,1426,1088,1111]" pageId="21" pageNumber="296">UFRJPOR 5089 (P) 31.2 48.5 7.5 59.8 6.5 7.7 0.4 7.8 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF262F2FC1BFFB55" pageId="21" pageNumber="296" type="materials_examined">
|
||
<paragraph id="8B98C17BEC017450FF262F2FC1BEFBF8" blockId="21.[160,1427,674,1772]" box="[166,1427,1129,1152]" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF262F2FC1BEFBF8" bold="true" box="[166,1427,1129,1152]" pageId="21" pageNumber="296">All specimens 26.9 44.1 8.3 58.9 5.6 7.5 0.6 8.2 –</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF202FD6C633FB2E" blockId="21.[160,1427,674,1772]" box="[160,542,1171,1193]" pageId="21" pageNumber="296">Tetractine Basal</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462FF8C1BFFB55" blockId="21.[160,1427,674,1772]" box="[198,1426,1212,1235]" pageId="21" pageNumber="296">UFRJPOR 5252 (H) 78.0 89.4 5.9 98.8 7.8 8.3 0.6 9.1 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF462FA3C1BFFAA2" pageId="21" pageNumber="296" type="description">
|
||
<paragraph id="8B98C17BEC017450FF462FA3C1BFFB7C" blockId="21.[160,1427,674,1772]" box="[198,1426,1253,1276]" pageId="21" pageNumber="296">UFRJPOR 3126 (P) 83.2 92.2 4.9 104.0 7.8 7.9 0.4 9.1 30</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462E55C1BFFAA2" blockId="21.[160,1427,674,1772]" box="[198,1426,1295,1318]" pageId="21" pageNumber="296">UFRJPOR 5089 (P) 78.0 87.3 4.4 96.2 7.8 7.8 0.0 7.8 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF462E7CC1BFFA26" pageId="21" pageNumber="296" type="materials_examined">
|
||
<paragraph id="8B98C17BEC017450FF462E7CC1BEFAC9" blockId="21.[160,1427,674,1772]" box="[198,1427,1336,1359]" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF462E7CC1BEFAC9" bold="true" box="[198,1427,1336,1359]" pageId="21" pageNumber="296">All specimens 79.7 89.6 5.1 99.7 7.8 8.0 0.3 8.7 –</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FE612E27C609FAFF" blockId="21.[160,1427,674,1772]" box="[481,548,1378,1400]" pageId="21" pageNumber="296">Apical</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462EC9C1BFFA26" blockId="21.[160,1427,674,1772]" box="[198,1426,1419,1442]" pageId="21" pageNumber="296">UFRJPOR 5252 (H) 31.2 46.5 7.0 57.2 2.6 4.2 0.7 5.2 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF462EF0C1BFFA74" pageId="21" pageNumber="296" type="description">
|
||
<paragraph id="8B98C17BEC017450FF462EF0C1BFFA4D" blockId="21.[160,1427,674,1772]" box="[198,1426,1460,1483]" pageId="21" pageNumber="296">UFRJPOR 3126 (P) 33.8 47.1 9.5 78.0 2.6 4.2 0.6 5.2 30</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462E9BC1BFFA74" blockId="21.[160,1427,674,1772]" box="[198,1426,1502,1524]" pageId="21" pageNumber="296">UFRJPOR 5089 (P) 33.8 45.3 6.0 59.8 3.9 3.9 0.2 5.2 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF462D42C1BFF9E8" pageId="21" pageNumber="296" type="materials_examined">
|
||
<paragraph id="8B98C17BEC017450FF462D42C1BEF99A" blockId="21.[160,1427,674,1772]" box="[198,1427,1543,1566]" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF462D42C1BEF99A" bold="true" box="[198,1427,1543,1566]" pageId="21" pageNumber="296">All specimens 32.9 46.3 7.5 65.0 3.0 4.1 0.5 5.2 –</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF202D75C574F9C1" blockId="21.[160,1427,674,1772]" box="[160,345,1584,1606]" pageId="21" pageNumber="296">Juvenile tetractine</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462D1FC1BFF9E8" blockId="21.[160,1427,674,1772]" box="[198,1426,1626,1648]" pageId="21" pageNumber="296">UFRJPOR 5252 (H) Basal 39.0 55.4 9.1 80.6 7.8 7.8 0.2 9.1 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017450FF462DC1C1BFF945" pageId="21" pageNumber="296" type="description">
|
||
<paragraph id="8B98C17BEC017450FF462DC1C1BFF91E" blockId="21.[160,1427,674,1772]" box="[198,1426,1667,1690]" pageId="21" pageNumber="296">UFRJPOR 3126 (P) 31.2 50.4 9.2 70.2 5.2 7.7 0.9 9.1 30</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462DE8C1BFF945" blockId="21.[160,1427,674,1772]" box="[198,1426,1708,1731]" pageId="21" pageNumber="296">UFRJPOR 5089 (P) 28.6 54.2 10.4 70.2 5.2 7.2 0.8 7.8 30</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC017453FF462D93C508FE00" lastPageId="22" lastPageNumber="297" pageId="21" pageNumber="296" type="materials_examined">
|
||
<paragraph id="8B98C17BEC017453FF462D93C5B4FF37" blockId="21.[160,1427,674,1772]" lastBlockId="22.[151,1436,151,788]" lastPageId="22" lastPageNumber="297" pageId="21" pageNumber="296">
|
||
<emphasis id="B9531D69EC017450FF462D93C1BEF96C" bold="true" box="[198,1427,1749,1772]" pageId="21" pageNumber="296">All specimens 32.9 53.3 9.6 73.7 6.1 7.6 0.6 8.7 –</emphasis>
|
||
<emphasis id="B9531D69EC027453FF472BDDC508FF37" box="[199,293,152,176]" italics="true" pageId="22" pageNumber="297">Spicules</emphasis>
|
||
(
|
||
<tableCitation id="C6A5F4C0EC027453FEB32BD2C5AAFF28" box="[307,391,151,175]" captionStart="TABLE 8" captionStartId="21.[151,239,619,643]" captionText="TABLE 8. Spicules measurements (µm) of the type specimens of Leucascus albus sp. nov. (H: holotype; P: paratype)." pageId="22" pageNumber="297">Table 8</tableCitation>
|
||
):
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC017450FF462C6CC1BEF83D" pageId="21" pageNumber="296">
|
||
<table id="F92733DBEC018BBAFF462C6DC1BEF83C" box="[198,1427,1832,1979]" gridcols="11" gridrows="4" pageId="21" pageNumber="296">
|
||
<tr id="3517C339EC018BBAFF462C6DC1BEF8B8" box="[198,1427,1832,1855]" gridrow="0" pageId="21" pageNumber="296">
|
||
<th id="76C6AA45EC018BBAFF462C6DC5B8F8B8" box="[198,405,1832,1855]" gridcol="0" gridrow="0" pageId="21" pageNumber="296">UFRJPOR 5252 (H)</th>
|
||
<th id="76C6AA45EC018BBAFE612C6DC608F8B8" box="[481,549,1832,1855]" gridcol="1" gridrow="0" pageId="21" pageNumber="296">Apical</th>
|
||
<th id="76C6AA45EC018BBAFDE12C6DC6A0F8B8" box="[609,653,1832,1855]" gridcol="2" gridrow="0" pageId="21" pageNumber="296">31.2</th>
|
||
<th id="76C6AA45EC018BBAFD602C6DC721F8B8" box="[736,780,1832,1855]" gridcol="3" gridrow="0" pageId="21" pageNumber="296">47.6</th>
|
||
<th id="76C6AA45EC018BBAFCB72C6DC77AF8B8" box="[823,855,1832,1855]" gridcol="4" gridrow="0" pageId="21" pageNumber="296">6.4</th>
|
||
<th id="76C6AA45EC018BBAFC0F2C6DC796F8B8" box="[911,955,1832,1855]" gridcol="5" gridrow="0" pageId="21" pageNumber="296">57.2</th>
|
||
<th id="76C6AA45EC018BBAFB802C6DC00DF8B8" box="[1024,1056,1832,1855]" gridcol="6" gridrow="0" pageId="21" pageNumber="296">3.9</th>
|
||
<th id="76C6AA45EC018BBAFBFF2C6DC0B2F8B8" box="[1151,1183,1832,1855]" gridcol="7" gridrow="0" pageId="21" pageNumber="296">4.8</th>
|
||
<th id="76C6AA45EC018BBAFB492C6DC0C4F8B8" box="[1225,1257,1832,1855]" gridcol="8" gridrow="0" pageId="21" pageNumber="296">0.6</th>
|
||
<th id="76C6AA45EC018BBAFAAE2C6DC163F8B8" box="[1326,1358,1832,1855]" gridcol="9" gridrow="0" pageId="21" pageNumber="296">5.2</th>
|
||
<th id="76C6AA45EC018BBAFAF92C6DC1BEF8B8" box="[1401,1427,1832,1855]" gridcol="10" gridrow="0" pageId="21" pageNumber="296">30</th>
|
||
</tr>
|
||
<tr id="3517C339EC018BBAFF462C17C1BEF8EE" box="[198,1427,1874,1897]" gridrow="1" pageId="21" pageNumber="296" rowspan-1="1">
|
||
<th id="76C6AA45EC018BBAFF462C17C5B8F8EE" box="[198,405,1874,1897]" gridcol="0" gridrow="1" pageId="21" pageNumber="296">UFRJPOR 3126 (P)</th>
|
||
<td id="76C6AA45EC018BBAFDE12C17C6A0F8EE" box="[609,653,1874,1897]" gridcol="2" gridrow="1" pageId="21" pageNumber="296">18.2</td>
|
||
<td id="76C6AA45EC018BBAFD602C17C721F8EE" box="[736,780,1874,1897]" gridcol="3" gridrow="1" pageId="21" pageNumber="296">34.7</td>
|
||
<td id="76C6AA45EC018BBAFCB72C17C77AF8EE" box="[823,855,1874,1897]" gridcol="4" gridrow="1" pageId="21" pageNumber="296">8.0</td>
|
||
<td id="76C6AA45EC018BBAFC0F2C17C796F8EE" box="[911,955,1874,1897]" gridcol="5" gridrow="1" pageId="21" pageNumber="296">49.4</td>
|
||
<td id="76C6AA45EC018BBAFB802C17C00DF8EE" box="[1024,1056,1874,1897]" gridcol="6" gridrow="1" pageId="21" pageNumber="296">2.6</td>
|
||
<td id="76C6AA45EC018BBAFBFF2C17C0B2F8EE" box="[1151,1183,1874,1897]" gridcol="7" gridrow="1" pageId="21" pageNumber="296">4.0</td>
|
||
<td id="76C6AA45EC018BBAFB492C17C0C4F8EE" box="[1225,1257,1874,1897]" gridcol="8" gridrow="1" pageId="21" pageNumber="296">0.5</td>
|
||
<td id="76C6AA45EC018BBAFAAE2C17C163F8EE" box="[1326,1358,1874,1897]" gridcol="9" gridrow="1" pageId="21" pageNumber="296">5.2</td>
|
||
<td id="76C6AA45EC018BBAFAF92C17C1BEF8EE" box="[1401,1427,1874,1897]" gridcol="10" gridrow="1" pageId="21" pageNumber="296">22</td>
|
||
</tr>
|
||
<tr id="3517C339EC018BBAFF462C3EC1BEF815" box="[198,1427,1915,1938]" gridrow="2" pageId="21" pageNumber="296" rowspan-1="1">
|
||
<th id="76C6AA45EC018BBAFF462C3EC5B8F815" box="[198,405,1915,1938]" gridcol="0" gridrow="2" pageId="21" pageNumber="296">UFRJPOR 5089 (P)</th>
|
||
<td id="76C6AA45EC018BBAFDE12C3EC6A0F815" box="[609,653,1915,1938]" gridcol="2" gridrow="2" pageId="21" pageNumber="296">52.0</td>
|
||
<td id="76C6AA45EC018BBAFD602C3EC721F815" box="[736,780,1915,1938]" gridcol="3" gridrow="2" pageId="21" pageNumber="296">55.9</td>
|
||
<td id="76C6AA45EC018BBAFCB72C3EC77AF815" box="[823,855,1915,1938]" gridcol="4" gridrow="2" pageId="21" pageNumber="296">5.5</td>
|
||
<td id="76C6AA45EC018BBAFC0F2C3EC796F815" box="[911,955,1915,1938]" gridcol="5" gridrow="2" pageId="21" pageNumber="296">59.8</td>
|
||
<td id="76C6AA45EC018BBAFB802C3EC00DF815" box="[1024,1056,1915,1938]" gridcol="6" gridrow="2" pageId="21" pageNumber="296">3.9</td>
|
||
<td id="76C6AA45EC018BBAFBFF2C3EC0B2F815" box="[1151,1183,1915,1938]" gridcol="7" gridrow="2" pageId="21" pageNumber="296">4.5</td>
|
||
<td id="76C6AA45EC018BBAFB492C3EC0C4F815" box="[1225,1257,1915,1938]" gridcol="8" gridrow="2" pageId="21" pageNumber="296">0.9</td>
|
||
<td id="76C6AA45EC018BBAFAAE2C3EC163F815" box="[1326,1358,1915,1938]" gridcol="9" gridrow="2" pageId="21" pageNumber="296">5.2</td>
|
||
<td id="76C6AA45EC018BBAFAF92C3EC1BEF815" box="[1401,1427,1915,1938]" gridcol="10" gridrow="2" pageId="21" pageNumber="296">0 2</td>
|
||
</tr>
|
||
<tr id="3517C339EC018BBAFF462CE1C1BEF83C" box="[198,1427,1956,1979]" gridrow="3" pageId="21" pageNumber="296" rowspan-1="1">
|
||
<th id="76C6AA45EC018BBAFF462CE1C5B8F83C" box="[198,405,1956,1979]" gridcol="0" gridrow="3" pageId="21" pageNumber="296">All specimens</th>
|
||
<td id="76C6AA45EC018BBAFDE12CE1C6A0F83C" box="[609,653,1956,1979]" gridcol="2" gridrow="3" pageId="21" pageNumber="296">33.8</td>
|
||
<td id="76C6AA45EC018BBAFD602CE1C721F83C" box="[736,780,1956,1979]" gridcol="3" gridrow="3" pageId="21" pageNumber="296">46.1</td>
|
||
<td id="76C6AA45EC018BBAFCB72CE1C77AF83C" box="[823,855,1956,1979]" gridcol="4" gridrow="3" pageId="21" pageNumber="296">6.6</td>
|
||
<td id="76C6AA45EC018BBAFC0F2CE1C796F83C" box="[911,955,1956,1979]" gridcol="5" gridrow="3" pageId="21" pageNumber="296">55.5</td>
|
||
<td id="76C6AA45EC018BBAFB802CE1C00DF83C" box="[1024,1056,1956,1979]" gridcol="6" gridrow="3" pageId="21" pageNumber="296">3.5</td>
|
||
<td id="76C6AA45EC018BBAFBFF2CE1C0B2F83C" box="[1151,1183,1956,1979]" gridcol="7" gridrow="3" pageId="21" pageNumber="296">4.4</td>
|
||
<td id="76C6AA45EC018BBAFB492CE1C0C4F83C" box="[1225,1257,1956,1979]" gridcol="8" gridrow="3" pageId="21" pageNumber="296">0.7</td>
|
||
<td id="76C6AA45EC018BBAFAAE2CE1C163F83C" box="[1326,1358,1956,1979]" gridcol="9" gridrow="3" pageId="21" pageNumber="296">5.2</td>
|
||
<td id="76C6AA45EC018BBAFAF92CE1C1BEF83C" box="[1401,1427,1956,1979]" gridcol="10" gridrow="3" pageId="21" pageNumber="296">–</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC027453FF472BF9C16AFF53" blockId="22.[151,1436,151,788]" box="[199,1351,188,212]" pageId="22" pageNumber="297">
|
||
(
|
||
<emphasis id="B9531D69EC027453FF502BF8C4F5FF53" box="[208,216,189,212]" italics="true" pageId="22" pageNumber="297">i</emphasis>
|
||
) Triactines (
|
||
<figureCitation id="131CDDFEEC027453FEE52BF9C5F8FF53" box="[357,469,188,212]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="22" pageNumber="297">Figure 12</figureCitation>
|
||
F): Regular. Actines are cylindrical to slightly conical, straight, with blunt tips;
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC027453FF472B9AC4FAFEB8" blockId="22.[151,1436,151,788]" pageId="22" pageNumber="297">
|
||
(
|
||
<emphasis id="B9531D69EC027453FF502BA4C4CDFF7F" box="[208,224,225,248]" italics="true" pageId="22" pageNumber="297">ii</emphasis>
|
||
) Tetractines (
|
||
<figureCitation id="131CDDFEEC027453FEFF2B9AC5DCFF70" box="[383,497,223,247]" captionStart="FIGURE 13" captionStartId="22.[151,250,1344,1367]" captionTargetBox="[159,1428,831,1323]" captionTargetId="figure@22.[158,1429,831,1323]" captionTargetPageId="22" captionText="FIGURE 13. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Tetractine; B, Apical actine of a tetractine with spines (SEM)." httpUri="https://zenodo.org/record/221865/files/figure.png" pageId="22" pageNumber="297">Figure 13</figureCitation>
|
||
A): Regular. They are similar to the triactines, but have an apical actine which is thinner and shorter than the basal ones. It is commonly curved near the tip and has small spines (
|
||
<figureCitation id="131CDDFEEC027453FA852A41C1ACFE9B" box="[1285,1409,260,284]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="22" pageNumber="297">Figures 12</figureCitation>
|
||
D, 13B);
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC027453FF472A09C508FE00" blockId="22.[151,1436,151,788]" pageId="22" pageNumber="297">
|
||
(
|
||
<emphasis id="B9531D69EC027453FF502A08C4CAFEE3" box="[208,231,333,356]" italics="true" pageId="22" pageNumber="297">iii</emphasis>
|
||
) Microdiactine (
|
||
<figureCitation id="131CDDFEEC027453FE242A09C639FEE3" box="[420,532,332,356]" captionStart="FIGURE 12" captionStartId="20.[151,250,1705,1728]" captionTargetBox="[158,1428,184,1689]" captionTargetId="figure@20.[158,1429,184,1689]" captionTargetPageId="20" captionText="FIGURE 12. Leucascus albus sp. nov (UFRJPOR 5252, holotype). A, Preserved specimen; B, Jagged microdiactine in the sponge surface (arrow); C, Cortical membrane; D, Apical actines with curved tips (in detail; arrow) projected into the lumen of a choanocyte tube; E, Atrial membrane; F, Triactine." httpUri="https://zenodo.org/record/221864/files/figure.png" pageId="22" pageNumber="297">Figure 12</figureCitation>
|
||
B): Only fragments were found. They were jagged or smooth. The tips could not be observed.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC027453FF472AD1C793FD4B" pageId="22" pageNumber="297" type="discussion">
|
||
<paragraph id="8B98C17BEC027453FF472AD1C5C8FDE7" blockId="22.[151,1436,151,788]" pageId="22" pageNumber="297">
|
||
<emphasis id="B9531D69EC027453FF472AD1C5D6FE2B" box="[199,507,404,428]" italics="true" pageId="22" pageNumber="297">
|
||
Remarks:
|
||
<taxonomicName id="4C27BAF8EC027453FEBE2AD0C5D6FE2B" box="[318,507,404,428]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="albus" status="sp. nov.">Leucascus albus</taxonomicName>
|
||
</emphasis>
|
||
<taxonomicNameLabel id="A260A012EC027453FD862AD0C64FFE2B" box="[518,610,405,428]" pageId="22" pageNumber="297" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is the only species of the genus
|
||
<taxonomicName id="4C27BAF8EC027453FC712AD0C048FE2B" box="[1009,1125,405,428]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="genus">
|
||
<emphasis id="B9531D69EC027453FC712AD0C048FE2B" box="[1009,1125,405,428]" italics="true" pageId="22" pageNumber="297">Leucascus</emphasis>
|
||
</taxonomicName>
|
||
with microdiactines in its skeleton. It is the second species of the genus
|
||
<taxonomicName id="4C27BAF8EC027453FD382AFCC700FE57" box="[696,813,441,464]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="genus">
|
||
<emphasis id="B9531D69EC027453FD382AFCC700FE57" box="[696,813,441,464]" italics="true" pageId="22" pageNumber="297">Leucascus</emphasis>
|
||
</taxonomicName>
|
||
described to the Brazilian coast (the first one was
|
||
<taxonomicName id="4C27BAF8EC027453FA052AFCC4F3FE73" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="roseus">
|
||
<emphasis id="B9531D69EC027453FA052AFCC4F3FE73" italics="true" pageId="22" pageNumber="297">L. roseus</emphasis>
|
||
</taxonomicName>
|
||
). The main differences between these species is the colour alive, which is pink in
|
||
<taxonomicName id="4C27BAF8EC027453FB032A98C0C4FE73" box="[1155,1257,477,500]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="roseus">
|
||
<emphasis id="B9531D69EC027453FB032A98C0C4FE73" box="[1155,1257,477,500]" italics="true" pageId="22" pageNumber="297">L. roseus</emphasis>
|
||
</taxonomicName>
|
||
and white in
|
||
<taxonomicName id="4C27BAF8EC027453FA052A98C4F9FD9F" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
|
||
<emphasis id="B9531D69EC027453FA052A98C4F9FD9F" italics="true" pageId="22" pageNumber="297">L. albus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A260A012EC027453FF5A2945C51EFD90" box="[218,307,512,535]" pageId="22" pageNumber="297" rank="species">sp. nov.</taxonomicNameLabel>
|
||
, the surface of the tubes, which is hispidate in
|
||
<taxonomicName id="4C27BAF8EC027453FCB82944C7BCFD9F" box="[824,913,512,536]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
|
||
<emphasis id="B9531D69EC027453FCB82944C7BCFD9F" box="[824,913,512,536]" italics="true" pageId="22" pageNumber="297">L. albus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A260A012EC027453FC182945C7C3FD90" box="[920,1006,512,535]" pageId="22" pageNumber="297" rank="species">sp. nov.</taxonomicNameLabel>
|
||
and smooth in
|
||
<taxonomicName id="4C27BAF8EC027453FB182944C0D0FD9F" box="[1176,1277,513,536]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="roseus">
|
||
<emphasis id="B9531D69EC027453FB182944C0D0FD9F" box="[1176,1277,513,536]" italics="true" pageId="22" pageNumber="297">L. roseus</emphasis>
|
||
</taxonomicName>
|
||
, and the atrial skeleton, which is composed mainly of tetractines in
|
||
<taxonomicName id="4C27BAF8EC027453FC952960C7ADFDBB" box="[789,896,549,572]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="roseus">
|
||
<emphasis id="B9531D69EC027453FC952960C7ADFDBB" box="[789,896,549,572]" italics="true" pageId="22" pageNumber="297">L. roseus</emphasis>
|
||
</taxonomicName>
|
||
and of the same proportion of triactines and tetractines in
|
||
<taxonomicName id="4C27BAF8EC027453FEAD290CC5A5FDE7" box="[301,392,584,608]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
|
||
<emphasis id="B9531D69EC027453FEAD290CC5A5FDE7" box="[301,392,584,608]" italics="true" pageId="22" pageNumber="297">L. albus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A260A012EC027453FE0F290CC5C8FDE7" box="[399,485,585,608]" pageId="22" pageNumber="297" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</paragraph>
|
||
<paragraph id="8B98C17BEC027453FF472928C793FD4B" blockId="22.[151,1436,151,788]" pageId="22" pageNumber="297">
|
||
In the past, specimens from Arraial do Cabo were erroneously identified as
|
||
<taxonomicName id="4C27BAF8EC027453FB992928C15BFD03" authority="Muricy et al. 1991" authorityName="Muricy et al." authorityYear="1991" box="[1049,1398,620,644]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="simplex">
|
||
<emphasis id="B9531D69EC027453FB992928C0A1FD03" box="[1049,1164,620,644]" italics="true" pageId="22" pageNumber="297">L. simplex</emphasis>
|
||
(Muricy
|
||
<emphasis id="B9531D69EC027453FB762928C10AFD03" box="[1270,1319,620,644]" italics="true" pageId="22" pageNumber="297">et al</emphasis>
|
||
. 1991)
|
||
</taxonomicName>
|
||
. In fact,
|
||
<taxonomicName id="4C27BAF8EC027453FF4E29D4C50AFD2F" box="[206,295,656,680]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="albus" status="sp. nov.">
|
||
<emphasis id="B9531D69EC027453FF4E29D4C50AFD2F" box="[206,295,656,680]" italics="true" pageId="22" pageNumber="297">L. albus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A260A012EC027453FEAE29D5C5A9FD20" box="[302,388,656,679]" pageId="22" pageNumber="297" rank="species">sp. nov.</taxonomicNameLabel>
|
||
differs from
|
||
<taxonomicName id="4C27BAF8EC027453FD9629D4C6A4FD2F" box="[534,649,656,680]" class="Calcarea" family="Leucascidae" genus="Leucascus" kingdom="Animalia" order="Clathrinida" pageId="22" pageNumber="297" phylum="Porifera" rank="species" species="simplex">
|
||
<emphasis id="B9531D69EC027453FD9629D4C6A4FD2F" box="[534,649,656,680]" italics="true" pageId="22" pageNumber="297">L. simplex</emphasis>
|
||
</taxonomicName>
|
||
in several characters, such as the presence of a membrane surrounding the oscula, microdiactines, and skeleton with more abundant tetractines.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33D92F0EC027453FF47299DC6B2FC93" pageId="22" pageNumber="297" type="distribution">
|
||
<paragraph id="8B98C17BEC027453FF47299DC6B2FC93" blockId="22.[151,1436,151,788]" pageId="22" pageNumber="297">
|
||
<emphasis id="B9531D69EC027453FF47299DC574FD77" box="[199,345,728,752]" italics="true" pageId="22" pageNumber="297">Distribution:</emphasis>
|
||
South-West Atlantic Ocean. Arraial do Cabo, Rio de Janeiro,
|
||
<collectingCountry id="F33081EBEC027453FBC22992C0A7FD68" box="[1090,1162,727,751]" name="Brazil" pageId="22" pageNumber="297">Brazil</collectingCountry>
|
||
. Spalding
|
||
<emphasis id="B9531D69EC027453FA89299CC112FD77" box="[1289,1343,728,752]" italics="true" pageId="22" pageNumber="297">et al</emphasis>
|
||
. (2007) corresponding ecoregion: Southeastern
|
||
<collectingCountry id="F33081EBEC027453FDD329B9C6B6FC93" box="[595,667,764,788]" name="Brazil" pageId="22" pageNumber="297">Brazil</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |