281 lines
30 KiB
XML
281 lines
30 KiB
XML
<document id="582EA4D1227B0E31BB328AA2AF6E9309" ID-DOI="10.11646/zootaxa.4033.2.1" ID-GBIF-Dataset="5f83c37c-162d-42a0-9698-f35278de98b8" ID-ISSN="1175-5326" ID-Zenodo-Dep="241610" ID-ZooBank="46694533-415A-4469-866E-B968502198A7" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461296405288" checkinUser="plazi" docAuthor="Sirenko, Boris" docDate="2015" docId="038887DABA061C25FF481154FB87FDEE" docLanguage="en" docName="zt04033p202.pdf" docOrigin="Zootaxa 4033 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leptochiton lascrusesi Sirenko, 2015, n. sp." docType="treatment" docVersion="9" lastPageNumber="170" masterDocId="FFB1FFA2BA161C36FFDF150FFF98FF8E" masterDocTitle="Shallow and deep-sea chitons of the genus Leptochiton Gray, 1847 (Mollusca: Polyplacophora: Lepidopleurida) from Peruvian and Chilean waters" masterLastPageNumber="202" masterPageNumber="151" pageNumber="167" updateTime="1698616597089" updateUser="plazi">
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<mods:titleInfo id="6A68A5D9311D190F5B464F45DD30431E">
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<mods:title id="F6113102E2DDC3B4BBE40232B109D4CB">Shallow and deep-sea chitons of the genus Leptochiton Gray, 1847 (Mollusca: Polyplacophora: Lepidopleurida) from Peruvian and Chilean waters</mods:title>
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</mods:titleInfo>
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<mods:name id="8BAE2FA46E0B4B9EE932CAFF9D682B59" type="personal">
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<mods:role id="F2E6242814B47268DDBD97791BEAECC0">
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<mods:roleTerm id="EE65DDA96BAB12E0EA2D900EFB2626E4">Author</mods:roleTerm>
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<mods:namePart id="127BEF3CBDDC12CF12E9814E27D8C572">Sirenko, Boris</mods:namePart>
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<mods:typeOfResource id="38292A967AA9728A9A8DB530FFC5B699">text</mods:typeOfResource>
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<mods:title id="EAC64C2006E9797FC43DECEFB7692B1E">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="1B3B5753E2792F543AC77FBBCB1975E8">
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<mods:date id="FE9B02A40514F72100FABEEE4C3A0EF3">2015</mods:date>
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<mods:detail id="B8A9D3FDAD9A69B8E7F05B47CF368A68" type="volume">
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<mods:number id="2B425C9EC8648A6234D154055E94574F">4033</mods:number>
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</mods:detail>
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<mods:detail id="ED6CC18AC54E290F5930A5B6F5B8F7F1" type="issue">
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<mods:number id="83C221C1E7626F1492E1386B1291BFF2">2</mods:number>
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<mods:classification id="F09AD54B1365436AAB3FC9E23B752615">journal article</mods:classification>
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<mods:identifier id="81E5BE263C4DD7F7BBE3C6368A493558" type="DOI">10.11646/zootaxa.4033.2.1</mods:identifier>
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<mods:identifier id="F8E1B91092249CD85C2366173D9E8D0B" type="GBIF-Dataset">5f83c37c-162d-42a0-9698-f35278de98b8</mods:identifier>
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<mods:identifier id="A8CD427FD7167748156D033724039B75" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="674188C4CB150AB23A186871745991E9" type="Zenodo-Dep">241610</mods:identifier>
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<mods:identifier id="6308231BC5DEDEA5BA3D0C463EF64781" type="ZooBank">46694533-415A-4469-866E-B968502198A7</mods:identifier>
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</mods:mods>
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<treatment id="038887DABA061C25FF481154FB87FDEE" ID-DOI="http://doi.org/10.5281/zenodo.5687235" ID-GBIF-Taxon="119642615" ID-Zenodo-Dep="5687235" LSID="urn:lsid:plazi:treatment:038887DABA061C25FF481154FB87FDEE" httpUri="http://treatment.plazi.org/id/038887DABA061C25FF481154FB87FDEE" lastPageId="19" lastPageNumber="170" pageId="16" pageNumber="167">
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<subSubSection id="C33B6547BA061C26FF481154FF78FAAF" pageId="16" pageNumber="167" type="nomenclature">
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||
<paragraph id="8B9E36CCBA061C26FF481154FE68FBFB" blockId="16.[151,496,1115,1174]" box="[151,496,1115,1141]" pageId="16" pageNumber="167">
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||
<heading id="D0D681A0BA061C26FF481154FE68FBFB" bold="true" box="[151,496,1115,1141]" fontSize="11" level="1" pageId="16" pageNumber="167" reason="1">
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||
<emphasis id="B955EADEBA061C26FF481154FE68FBFB" bold="true" box="[151,496,1115,1141]" pageId="16" pageNumber="167">
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<taxonomicName id="4C214D4FBA061C26FF481154FE3EFBFB" ID-CoL="3TLXW" box="[151,422,1115,1141]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="16" pageNumber="167" phylum="Mollusca" rank="species" species="lascrusesi" status="sp. nov.">
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<emphasis id="B955EADEBA061C26FF481154FE3EFBFB" bold="true" box="[151,422,1115,1141]" italics="true" pageId="16" pageNumber="167">Leptochiton lascrusesi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A26657A5BA061C26FE721154FE68FBFB" box="[429,496,1115,1141]" pageId="16" pageNumber="167" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B9E36CCBA061C26FF481172FEBFFB18" blockId="16.[151,496,1115,1174]" box="[151,295,1149,1174]" pageId="16" pageNumber="167">
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||
(
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<figureCitation id="131A2A49BA061C26FF401172FE87FB18" box="[159,287,1149,1174]" captionStart-0="FIGURE 20" captionStart-1="FIGURE 21" captionStart-2="FIGURE 22" captionStartId-0="23.[151,250,1804,1826]" captionStartId-1="24.[151,250,1544,1566]" captionStartId-2="25.[151,250,1906,1928]" captionTargetBox-0="[159,1420,201,1770]" captionTargetBox-1="[157,1424,200,1515]" captionTargetBox-2="[218,1368,202,1855]" captionTargetId-0="figure@23.[150,1436,193,1783]" captionTargetId-1="figure@24.[150,1437,193,1523]" captionTargetId-2="figure@25.[202,1376,193,1878]" captionTargetPageId-0="23" captionTargetPageId-1="24" captionTargetPageId-2="25" captionText-0="FIGURE 20. Leptochiton lascrusesi n. sp. Holotype, (ZISP 2207). Chile, Las Cruses, BL— 4.0 mm. A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve IV, ventral view; F. Valve II, detail of tegmentum surface of central area; G. Valve VIII, detail of tegmentum surface of antemucronal area; H. Valve VIII, lateral view." captionText-1="FIGURE 21. Leptochiton lascrusesi n. sp. Holotype, (ZISP 2207). Chile, Las Cruses, BL— 4.0 mm. A. Dorsal, marginal and ventral scales and needles; B. Sutural needles and dorsal scales; C. Sutural, dorsal, marginal and ventral scales and needles; D. Dorsal and ventral scales and marginal needles and scales." captionText-2="FIGURE 22. Leptochiton lascrusesi n. sp. Holotype, (ZISP 2207). BL— 4.0 mm (A – G, K, L) and paratype BL— 3.2 mm (H – J), Chile, Las Cruses. A. Sutural needle; B. Dorsal scales; C. Marginal needle; D, E. Marginal scales; F. Ventral scale in middle part; G. Ventral scale near margin, ventral view; H. Central and first lateral teeth; I. Major lateral tooth; J. Head of major lateral tooth; K. Aesthete group in central area; L. Valve V, rostral view. Scale bar 100 µm (A – J) and 1.0 mm (L)." httpUri-0="https://zenodo.org/record/241630/files/figure.png" httpUri-1="https://zenodo.org/record/241631/files/figure.png" httpUri-2="https://zenodo.org/record/241632/files/figure.png" pageId="16" pageNumber="167">Figs 20–22</figureCitation>
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)
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</paragraph>
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<paragraph id="8B9E36CCBA061C26FF4811CFFF78FAAF" blockId="16.[151,1437,1216,2033]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF4811CFFF7BFB57" bold="true" box="[151,227,1216,1241]" pageId="16" pageNumber="167">
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<typeStatus id="549A886EBA061C26FF4811CFFF47FB57" box="[151,223,1216,1241]" pageId="16" pageNumber="167">Types</typeStatus>
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.
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</emphasis>
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<typeStatus id="549A886EBA061C26FF3011CFFECFFB57" box="[239,343,1216,1241]" pageId="16" pageNumber="167" type="holotype">Holotype</typeStatus>
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<emphasis id="B955EADEBA061C26FEBB11CFFEF5FB57" bold="true" box="[356,365,1216,1241]" pageId="16" pageNumber="167">(</emphasis>
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ZISP 2207), now disarticulated consisting of SEM stub of valves I, II V, IV, VIII, part of perinotum and radula, mount of part of perinotum and radula and vial with other valves, and 1
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<typeStatus id="549A886EBA061C26FB3011EAFAD7FB73" box="[1263,1359,1253,1277]" pageId="16" pageNumber="167" type="paratype">paratype</typeStatus>
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(ZISP 2208).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA061C26FF181023FCE4FACB" box="[199,892,1324,1349]" pageId="16" pageNumber="167" type="materials_examined">
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<paragraph id="8B9E36CCBA061C26FF181023FCE4FACB" blockId="16.[151,1437,1216,2033]" box="[199,892,1324,1349]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF181023FEFDFACB" bold="true" box="[199,357,1324,1349]" pageId="16" pageNumber="167">
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<typeStatus id="549A886EBA061C26FF181023FE9AFACB" box="[199,258,1324,1349]" pageId="16" pageNumber="167">Type</typeStatus>
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locality.
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</emphasis>
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<collectingCountry id="F336765CBA061C26FEB31023FE34FACB" box="[364,428,1324,1349]" name="Chile" pageId="16" pageNumber="167">Chile</collectingCountry>
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, Las Cruses
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<geoCoordinate id="EE15500BBA061C26FDE61022FD00FACB" box="[569,664,1325,1349]" direction="south" orientation="latitude" pageId="16" pageNumber="167" precision="925" value="-33.5">33°30’S</geoCoordinate>
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,
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<geoCoordinate id="EE15500BBA061C26FD7C1022FC9BFACB" box="[675,771,1325,1349]" direction="east" orientation="longitude" pageId="16" pageNumber="167" precision="925" value="71.61667">71°37’E</geoCoordinate>
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, intertidal.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA061C26FF18105FFDEFFAE7" box="[199,631,1360,1385]" pageId="16" pageNumber="167" type="etymology">
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<paragraph id="8B9E36CCBA061C26FF18105FFDEFFAE7" blockId="16.[151,1437,1216,2033]" box="[199,631,1360,1385]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF18105FFED6FAE7" bold="true" box="[199,334,1360,1385]" pageId="16" pageNumber="167">Etymology.</emphasis>
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Named after
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<typeStatus id="549A886EBA061C26FE39105EFD8EFAE7" box="[486,534,1361,1385]" pageId="16" pageNumber="167">type</typeStatus>
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locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA061C26FF18107BFC5DFA03" box="[199,965,1396,1421]" pageId="16" pageNumber="167" type="materials_examined">
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<paragraph id="8B9E36CCBA061C26FF18107BFC5DFA03" blockId="16.[151,1437,1216,2033]" box="[199,965,1396,1421]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF18107BFE28FA03" bold="true" box="[199,432,1396,1421]" pageId="16" pageNumber="167">Material examined.</emphasis>
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The
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<typeStatus id="549A886EBA061C26FE35107AFD82FA03" box="[490,538,1397,1421]" pageId="16" pageNumber="167">type</typeStatus>
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material, leg. B. Sirenko,
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<date id="FF9F100CBA061C26FC9E107AFC59FA03" box="[833,961,1397,1421]" pageId="16" pageNumber="167" value="2008-11-22">22.11.2008</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA061C26FF181097FD50FA3F" box="[199,712,1432,1457]" pageId="16" pageNumber="167" type="distribution">
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<paragraph id="8B9E36CCBA061C26FF181097FD50FA3F" blockId="16.[151,1437,1216,2033]" box="[199,712,1432,1457]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF181097FEF8FA3F" bold="true" box="[199,352,1432,1457]" pageId="16" pageNumber="167">Distribution.</emphasis>
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Only known from
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<typeStatus id="549A886EBA061C26FDE81096FDFFFA3F" box="[567,615,1433,1457]" pageId="16" pageNumber="167">type</typeStatus>
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locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA061C26FF1810B3FE60F906" pageId="16" pageNumber="167" type="diagnosis">
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<paragraph id="8B9E36CCBA061C26FF1810B3FE60F906" blockId="16.[151,1437,1216,2033]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF1810B3FED9FA5B" bold="true" box="[199,321,1468,1493]" pageId="16" pageNumber="167">Diagnosis.</emphasis>
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Animal very small, elongate oval. Valves with low elevation, carinated, not beaked, tail valve with mucro in its anterior portion. Tegmentum sculptured with flattened oval granules arranged in longitudinal rows in central areas of intermediate valves and in antemucronal area of tail valve. In other areas granules arranged without any order. Each granule with one megalaesthete and two micraesthetes in front of megalaesthete. Dorsal scales broad with 10–12 distinct riblets. Sutural needles similar to marginal needles, but longer. Major lateral teeth of radula with narrow single cusp.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA061C25FF18139BFC18FF79" lastPageId="19" lastPageNumber="170" pageId="16" pageNumber="167" type="description">
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<paragraph id="8B9E36CCBA061C26FF18139BFD2DF8B2" blockId="16.[151,1437,1216,2033]" pageId="16" pageNumber="167">
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<emphasis id="B955EADEBA061C26FF18139BFEC1F923" bold="true" box="[199,345,1684,1709]" pageId="16" pageNumber="167">Description.</emphasis>
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<typeStatus id="549A886EBA061C26FEBF139BFE50F923" box="[352,456,1684,1709]" pageId="16" pageNumber="167" type="holotype">Holotype</typeStatus>
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4.0 x
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<quantity id="4CD99B29BA061C26FDCD139AFDF4F922" box="[530,620,1685,1709]" metricMagnitude="-3" metricUnit="m" metricValue="2.7" pageId="16" pageNumber="167" unit="mm" value="2.7">2.7 mm</quantity>
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. Shell lowly elevated (dorsal elevation ratio in valve V 0.28), carinated, not beaked. Colour of tegmentum white. Head valve semicircular. Intermediate valves rectangular, valve II with convex anterior margin, other valves with anterior and posterior margins nearly straight, side margin rounded, lateral area not raised. Size of tail valve equal to head, mucro situated anteriorly, slope of short antemucronal area convex, slope of posterior area slightly concave.
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</paragraph>
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<paragraph id="8B9E36CCBA061C26FF181246FD51F87F" blockId="16.[151,1437,1216,2033]" pageId="16" pageNumber="167">Tegmentum sculptured with oval flattened granules (40–50 µm). On head valve, lateral areas of intermediate valves and postmucronal area of tail valve granules arranged quincuncially. Central area of intermediate valves and antemucronal area of tail valve with longitudinal chains of flattened granules. 26 rows of granules in central area of valve V. Each granule with one megalaesthete and two micraesthetes in front of each megalaesthete. Megalaesthete (8 µm) double the size of micraesthetes (3–4 µm).</paragraph>
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<caption id="DF5E6644BA071C27FF48127CFCA6F86B" httpUri="https://zenodo.org/record/241624/files/figure.png" pageId="17" pageNumber="168" targetBox="[177,1399,210,1880]" targetPageId="17">
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||
<paragraph id="8B9E36CCBA071C27FF48127CFCA6F86B" blockId="17.[151,1436,1907,2021]" pageId="17" pageNumber="168">
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<emphasis id="B955EADEBA071C27FF48127CFE87F807" bold="true" box="[151,287,1907,1929]" pageId="17" pageNumber="168">FIGURE 14.</emphasis>
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<taxonomicName id="4C214D4FBA071C27FEF9127CFC99F807" authority="Schwabe & Sellanes, 2010" authorityName="Schwabe & Sellanes" authorityYear="2010" box="[294,769,1907,1929]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="17" pageNumber="168" phylum="Mollusca" rank="species" species="laurae">
|
||
<emphasis id="B955EADEBA071C27FEF9127CFE70F807" box="[294,488,1907,1929]" italics="true" pageId="17" pageNumber="168">Leptochiton laurae</emphasis>
|
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Schwabe & Sellanes, 2010
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</taxonomicName>
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, (ZISP 2264). Beagle Channel, RV Victor Hensen, st.1045, BL— 11.0 mm.
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<emphasis id="B955EADEBA071C27FF22129DFE97F826" bold="true" box="[253,271,1938,1960]" pageId="17" pageNumber="168">A</emphasis>
|
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. Sutural needle;
|
||
<emphasis id="B955EADEBA071C27FE64129DFE73F826" bold="true" box="[443,491,1938,1960]" pageId="17" pageNumber="168">B, C</emphasis>
|
||
. Dorsal scales;
|
||
<emphasis id="B955EADEBA071C27FD53129DFD06F826" bold="true" box="[652,670,1938,1960]" pageId="17" pageNumber="168">D</emphasis>
|
||
. Dorsal needle;
|
||
<emphasis id="B955EADEBA071C27FC9B129DFCF7F826" bold="true" box="[836,879,1938,1960]" pageId="17" pageNumber="168">E, F</emphasis>
|
||
. Marginal needles;
|
||
<emphasis id="B955EADEBA071C27FBE7129DFBFFF826" bold="true" box="[1080,1127,1938,1960]" pageId="17" pageNumber="168">G, H</emphasis>
|
||
. Ventral scales;
|
||
<emphasis id="B955EADEBA071C27FACF129DFA82F826" bold="true" box="[1296,1306,1938,1960]" pageId="17" pageNumber="168">I</emphasis>
|
||
. Central and first lateral teeth of radula;
|
||
<emphasis id="B955EADEBA071C27FE7612BFFE4DF848" bold="true" box="[425,469,1968,1990]" pageId="17" pageNumber="168">J, K</emphasis>
|
||
. Heads of major lateral tooth;
|
||
<emphasis id="B955EADEBA071C27FCD612BFFC82F848" bold="true" box="[777,794,1968,1990]" pageId="17" pageNumber="168">L</emphasis>
|
||
. Valve V, rostral view;
|
||
<emphasis id="B955EADEBA071C27FBD912BFFB86F848" bold="true" box="[1030,1054,1968,1990]" pageId="17" pageNumber="168">M</emphasis>
|
||
. Valve VIII, lateral view;
|
||
<emphasis id="B955EADEBA071C27FAFA12BFFAAFF848" bold="true" box="[1317,1335,1968,1990]" pageId="17" pageNumber="168">N</emphasis>
|
||
. Aesthete group in central area. Scale bar 100 µm (A–K) and 1.0 mm (L, M).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF5E6644BA041C24FF48138EFB14F95A" httpUri="https://zenodo.org/record/241625/files/figure.png" pageId="18" pageNumber="169" targetBox="[163,1421,183,1646]" targetPageId="18">
|
||
<paragraph id="8B9E36CCBA041C24FF48138EFB14F95A" blockId="18.[151,1436,1665,1748]" pageId="18" pageNumber="169">
|
||
<emphasis id="B955EADEBA041C24FF48138EFE87F919" bold="true" box="[151,287,1665,1687]" pageId="18" pageNumber="169">FIGURE 15.</emphasis>
|
||
<taxonomicName id="4C214D4FBA041C24FEF9138EFC99F919" authority="Schwabe & Sellanes, 2010" authorityName="Schwabe & Sellanes" authorityYear="2010" box="[294,769,1665,1687]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="18" pageNumber="169" phylum="Mollusca" rank="species" species="laurae">
|
||
<emphasis id="B955EADEBA041C24FEF9138EFE70F919" box="[294,488,1665,1687]" italics="true" pageId="18" pageNumber="169">Leptochiton laurae</emphasis>
|
||
Schwabe & Sellanes, 2010
|
||
</taxonomicName>
|
||
, (ZISP 2264). Beagle Channel, RV Victor Hensen, st.1045, BL— 11.0 mm.
|
||
<emphasis id="B955EADEBA041C24FF2113AFFE88F938" bold="true" box="[254,272,1696,1718]" pageId="18" pageNumber="169">A</emphasis>
|
||
. Valve I, dorsal view;
|
||
<emphasis id="B955EADEBA041C24FE2713AFFD91F938" bold="true" box="[504,521,1696,1718]" pageId="18" pageNumber="169">B</emphasis>
|
||
. Valve V, dorsal view;
|
||
<emphasis id="B955EADEBA041C24FD2713AFFC92F938" bold="true" box="[760,778,1696,1718]" pageId="18" pageNumber="169">C</emphasis>
|
||
. Valve VIII, dorsal view;
|
||
<emphasis id="B955EADEBA041C24FBC913AFFBB0F938" bold="true" box="[1046,1064,1696,1718]" pageId="18" pageNumber="169">D</emphasis>
|
||
. Valve IV, ventral view;
|
||
<emphasis id="B955EADEBA041C24FAF813AFFAA0F938" bold="true" box="[1319,1336,1696,1718]" pageId="18" pageNumber="169">E</emphasis>
|
||
. Valve V, detail of tegmentum surface of central area;
|
||
<emphasis id="B955EADEBA041C24FD8913B1FDFBF95A" bold="true" box="[598,611,1726,1748]" pageId="18" pageNumber="169">F</emphasis>
|
||
. Valve VIII, lateral view;
|
||
<emphasis id="B955EADEBA041C24FCB213B1FCE6F95A" bold="true" box="[877,894,1726,1748]" pageId="18" pageNumber="169">G</emphasis>
|
||
. Central portion of radula.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9E36CCBA041C24FF1813F3FCFCF8B7" blockId="18.[151,1437,1788,2029]" pageId="18" pageNumber="169">Articulamentum weakly developed, apophyses short and wide, rounded triangular in valve II and rounded trapezoidal in valve III–VIII. Apophyses wider than jugal sinus.</paragraph>
|
||
<paragraph id="8B9E36CCBA041C24FF18124BFDDEF862" blockId="18.[151,1437,1788,2029]" pageId="18" pageNumber="169">
|
||
Girdle very narrow, dorsally densely covered with bluntly pointed scales (45
|
||
<date id="FF9F100CBA041C24FB98124AFBE3F8D3" box="[1095,1147,1860,1885]" pageId="18" pageNumber="169" value="1950-10">x 50</date>
|
||
µm) with 10–12 distinct riblets. Intersegmental area with long needles (190
|
||
<date id="FF9F100CBA041C24FD351266FC86F80F" box="[746,798,1896,1921]" pageId="18" pageNumber="169" value="1916-10">x 16</date>
|
||
µm). Similar but shorter needles (140
|
||
<date id="FF9F100CBA041C24FB391266FA83F80E" box="[1254,1307,1896,1920]" pageId="18" pageNumber="169" value="2013-10">x 13</date>
|
||
µm) along margin. Margin with two kind of elongate pointed scales (59–
|
||
<date id="FF9F100CBA041C24FCB61283FC1DF82B" box="[873,901,1932,1957]" pageId="18" pageNumber="169" value="1967-10-13" valueMax="1967-10-18" valueMin="1967-10-13">67</date>
|
||
x 13–18 µm) either with two or three riblets. Ventrally girdle covered with elongate, smooth, bluntly pointed scales (
|
||
<date id="FF9F100CBA041C24FC0E12BFFBB4F846" box="[977,1068,1968,1993]" pageId="18" pageNumber="169" value="1955-10-18">55 x 18</date>
|
||
µm), next to margin with three short riblets in their distal ventral part.
|
||
</paragraph>
|
||
<paragraph id="8B9E36CCBA051C25FF181598FC4FFF5A" blockId="19.[151,1436,151,608]" pageId="19" pageNumber="170">
|
||
Radula of
|
||
<typeStatus id="549A886EBA051C25FE9A1597FE3DFF3E" box="[325,421,152,176]" pageId="19" pageNumber="170" type="paratype">paratype</typeStatus>
|
||
(BL—
|
||
<quantity id="4CD99B29BA051C25FE241597FDCEFF3E" box="[507,598,152,176]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="19" pageNumber="170" unit="mm" value="3.2">3.2 mm</quantity>
|
||
)
|
||
<quantity id="4CD99B29BA051C25FDB51598FD5DFF21" box="[618,709,151,176]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="19" pageNumber="170" unit="mm" value="1.5">1.5 mm</quantity>
|
||
long with 120 transverse rows of mature teeth. Central teeth rectangular, major lateral teeth with short unidentate sharply pointed cusp.
|
||
</paragraph>
|
||
<paragraph id="8B9E36CCBA051C25FF1815D0FC18FF79" blockId="19.[151,1436,151,608]" box="[199,896,223,248]" pageId="19" pageNumber="170">
|
||
<typeStatus id="549A886EBA051C25FF1815D0FEB7FF76" box="[199,303,223,248]" pageId="19" pageNumber="170" type="holotype">Holotype</typeStatus>
|
||
with 7 gills per side arranged from valve VI to anus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33B6547BA051C25FF18140BFB87FDEE" pageId="19" pageNumber="170" type="discussion">
|
||
<paragraph id="8B9E36CCBA051C25FF18140BFB87FDEE" blockId="19.[151,1436,151,608]" pageId="19" pageNumber="170">
|
||
<emphasis id="B955EADEBA051C25FF18140BFEA3FE93" bold="true" box="[199,315,260,285]" pageId="19" pageNumber="170">Remarks.</emphasis>
|
||
The new species differs from
|
||
<taxonomicName id="4C214D4FBA051C25FD4D140BFCF7FE93" box="[658,879,260,285]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="linseae">
|
||
<emphasis id="B955EADEBA051C25FD4D140BFCF7FE93" box="[658,879,260,285]" italics="true" pageId="19" pageNumber="170">Leptochiton linseae</emphasis>
|
||
</taxonomicName>
|
||
in having 10–12 ribs in dorsal scales (16–17 ribs in
|
||
<taxonomicName id="4C214D4FBA051C25FF681426FEBFFECE" box="[183,295,295,320]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="linseae">
|
||
<emphasis id="B955EADEBA051C25FF681426FEBFFECE" box="[183,295,295,320]" italics="true" pageId="19" pageNumber="170">L. linseae</emphasis>
|
||
</taxonomicName>
|
||
), carinated valves (rounded in
|
||
<taxonomicName id="4C214D4FBA051C25FD491426FC9FFECE" box="[662,775,295,320]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="linseae">
|
||
<emphasis id="B955EADEBA051C25FD491426FC9FFECE" box="[662,775,295,320]" italics="true" pageId="19" pageNumber="170">L. linseae</emphasis>
|
||
</taxonomicName>
|
||
), an unidentate cusp of major lateral tooth of the radula (tridentate in
|
||
<taxonomicName id="4C214D4FBA051C25FEEF1442FE06FEEB" box="[304,414,332,357]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="linseae">
|
||
<emphasis id="B955EADEBA051C25FEEF1442FE06FEEB" box="[304,414,332,357]" italics="true" pageId="19" pageNumber="170">L. linseae</emphasis>
|
||
</taxonomicName>
|
||
) and more distinct longitudinal rows on the central area of the valves (vague longitudinal rows in
|
||
<taxonomicName id="4C214D4FBA051C25FF2B147EFEF9FE06" box="[244,353,367,392]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="linseae">
|
||
<emphasis id="B955EADEBA051C25FF2B147EFEF9FE06" box="[244,353,367,392]" italics="true" pageId="19" pageNumber="170">L. linseae</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<taxonomicName id="4C214D4FBA051C25FEA51460FDE0FE06" box="[378,632,367,392]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="lascrusesi">
|
||
<emphasis id="B955EADEBA051C25FEA51460FDE0FE06" box="[378,632,367,392]" italics="true" pageId="19" pageNumber="170">Leptochiton lascrusesi</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C214D4FBA051C25FCCF147EFC22FE06" box="[784,954,367,392]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="kerguelensis">
|
||
<emphasis id="B955EADEBA051C25FCCF147EFC22FE06" box="[784,954,367,392]" italics="true" pageId="19" pageNumber="170">L. kerguelensis</emphasis>
|
||
</taxonomicName>
|
||
in having three aesthete pores per granule (one pore in
|
||
<taxonomicName id="4C214D4FBA051C25FEFB149AFE54FE23" box="[292,460,404,429]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="kerguelensis">
|
||
<emphasis id="B955EADEBA051C25FEFB149AFE54FE23" box="[292,460,404,429]" italics="true" pageId="19" pageNumber="170">L. kerguelensis</emphasis>
|
||
</taxonomicName>
|
||
), 10–12 ribs on dorsal scales (8–9 ribs in
|
||
<taxonomicName id="4C214D4FBA051C25FC41149AFBDFFE23" box="[926,1095,404,429]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="kerguelensis">
|
||
<emphasis id="B955EADEBA051C25FC41149AFC35FE22" box="[926,941,405,428]" italics="true" pageId="19" pageNumber="170">L</emphasis>
|
||
.
|
||
<emphasis id="B955EADEBA051C25FC63149BFBDFFE23" box="[956,1095,404,429]" italics="true" pageId="19" pageNumber="170">kerguelensis</emphasis>
|
||
</taxonomicName>
|
||
), carinated valves (rounded or subcarinated in
|
||
<taxonomicName id="4C214D4FBA051C25FE8C14B6FD99FE5E" box="[339,513,439,464]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="kerguelensis">
|
||
<emphasis id="B955EADEBA051C25FE8C14B6FD99FE5E" box="[339,513,439,464]" italics="true" pageId="19" pageNumber="170">L. kerguelensis</emphasis>
|
||
</taxonomicName>
|
||
), an unidentate cusp of the major lateral tooth of the radula (bidentate in
|
||
<taxonomicName id="4C214D4FBA051C25FA5A14B6FEBAFE7B" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="kerguelensis">
|
||
<emphasis id="B955EADEBA051C25FA5A14B6FEBAFE7B" italics="true" pageId="19" pageNumber="170">L. kerguelensis</emphasis>
|
||
</taxonomicName>
|
||
), distinct longitudinal ribs of granules on the central area (striated surface of tegmentum in
|
||
<taxonomicName id="4C214D4FBA051C25FA5A14D2FEBAFD96" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="kerguelensis">
|
||
<emphasis id="B955EADEBA051C25FA5A14D2FEBAFD96" italics="true" pageId="19" pageNumber="170">L. kerguelensis</emphasis>
|
||
</taxonomicName>
|
||
). The new species differs from
|
||
<taxonomicName id="4C214D4FBA051C25FD5C170EFD67FD96" box="[643,767,511,536]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="medinae">
|
||
<emphasis id="B955EADEBA051C25FD5C170EFD67FD96" box="[643,767,511,536]" italics="true" pageId="19" pageNumber="170">L. medinae</emphasis>
|
||
</taxonomicName>
|
||
in having three aesthete pores in each granule (five pores in
|
||
<taxonomicName id="4C214D4FBA051C25FF48172AFE8FFDB3" box="[151,279,548,573]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="medinae">
|
||
<emphasis id="B955EADEBA051C25FF48172AFE8FFDB3" box="[151,279,548,573]" italics="true" pageId="19" pageNumber="170">L. medinae</emphasis>
|
||
</taxonomicName>
|
||
), 10–12 ribs on dorsal scales (6 ribs in
|
||
<taxonomicName id="4C214D4FBA051C25FD2A172AFCEDFDB3" box="[757,885,548,573]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="medinae">
|
||
<emphasis id="B955EADEBA051C25FD2A172AFCEDFDB3" box="[757,885,548,573]" italics="true" pageId="19" pageNumber="170">L. medinae</emphasis>
|
||
</taxonomicName>
|
||
), carinated valves (rounded in
|
||
<taxonomicName id="4C214D4FBA051C25FB39172AFAFEFDB3" box="[1254,1382,548,573]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="medinae">
|
||
<emphasis id="B955EADEBA051C25FB39172AFAFEFDB3" box="[1254,1382,548,573]" italics="true" pageId="19" pageNumber="170">L. medinae</emphasis>
|
||
</taxonomicName>
|
||
), an unidentate cusp of the major lateral tooth of the radula (bidentate in
|
||
<taxonomicName id="4C214D4FBA051C25FC4D1746FB96FDEE" box="[914,1038,583,608]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="19" pageNumber="170" phylum="Mollusca" rank="species" species="medinae">
|
||
<emphasis id="B955EADEBA051C25FC4D1746FB96FDEE" box="[914,1038,583,608]" italics="true" pageId="19" pageNumber="170">L. medinae</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |