348 lines
38 KiB
XML
348 lines
38 KiB
XML
<document id="BB4A919BA8E285A7F9434DB189DBECED" 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="038887DABA331C1FFF48135EFC58FE06" 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 macleani Sirenko, 2015, n. sp." docType="treatment" docVersion="9" lastPageNumber="190" 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="188" updateTime="1698616597089" updateUser="plazi">
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<mods:mods id="6D2BE3C1BAA54C65B1161D9DFC34061E" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="969E90A4C7D32CFFB38D9AFE1CD513AE">
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<mods:title id="06D243F8858E1956B0478086CAC18991">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="D43A78C2241D5DCA9CEA58CD4169A60C" type="personal">
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<mods:roleTerm id="A0570AF604A26FEE8D0D9569D9DF34C3">Author</mods:roleTerm>
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<mods:namePart id="F68D07BFC6B9365A0504B7EF7710C64E">Sirenko, Boris</mods:namePart>
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<mods:typeOfResource id="DE7B7E59117AEE5E86A875FA0C08B4E6">text</mods:typeOfResource>
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<mods:title id="2C8219EE5CE2EC39C60349F1D64C25E6">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="AC59FB36663D1180E7C7A22BE30AAC9D">
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<mods:date id="8126A08D6D1EB296F04B61B3963C9F56">2015</mods:date>
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<mods:detail id="1752077B750AF3979D09453F97BE7F87" type="volume">
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<mods:number id="AEC58B7B0A801743E6953B234D55EABE">4033</mods:number>
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</mods:detail>
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<mods:detail id="38EB4DE76779C5444C1CAE949C3C37D8" type="issue">
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<mods:number id="8F8C7CFE4CE8697A5F1B29608D604148">2</mods:number>
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<mods:extent id="BD21D654F2EB6475E8ADCCA257B225C7" unit="page">
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<mods:start id="BA922B592EBDD99C20E5EF38A51BE0F7">151</mods:start>
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<mods:end id="D98320D7128F43A5380986EC1FFC7DD3">202</mods:end>
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<mods:classification id="0DA2DC85D8CA9C5CE0B8DFA878454CF9">journal article</mods:classification>
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<mods:identifier id="6A93D614E174D0E6A1428A2C1881F91C" type="DOI">10.11646/zootaxa.4033.2.1</mods:identifier>
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<mods:identifier id="6C1669704AA0FB76938AC0AEB4587878" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="075DD707A9F90C3A9EB5D29B40037F5C" type="Zenodo-Dep">241610</mods:identifier>
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<mods:identifier id="7166EE233C4780D377C4C7C358C9E359" type="ZooBank">46694533-415A-4469-866E-B968502198A7</mods:identifier>
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</mods:mods>
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<treatment id="038887DABA331C1FFF48135EFC58FE06" ID-DOI="http://doi.org/10.5281/zenodo.5687243" ID-GBIF-Taxon="119642622" ID-Zenodo-Dep="5687243" LSID="urn:lsid:plazi:treatment:038887DABA331C1FFF48135EFC58FE06" httpUri="http://treatment.plazi.org/id/038887DABA331C1FFF48135EFC58FE06" lastPageId="41" lastPageNumber="190" pageId="37" pageNumber="188">
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<subSubSection id="C33B6547BA331C13FF48135EFA04F976" pageId="37" pageNumber="188" type="nomenclature">
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<paragraph id="8B9E36CCBA331C13FF48135EFE7FF9E5" blockId="37.[151,487,1617,1677]" box="[151,487,1617,1643]" pageId="37" pageNumber="188">
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<heading id="D0D681A0BA331C13FF48135EFE7FF9E5" bold="true" box="[151,487,1617,1643]" fontSize="11" level="1" pageId="37" pageNumber="188" reason="1">
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<emphasis id="B955EADEBA331C13FF48135EFE7FF9E5" bold="true" box="[151,487,1617,1643]" pageId="37" pageNumber="188">
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<taxonomicName id="4C214D4FBA331C13FF48135EFE05F9E5" ID-CoL="3TLYC" box="[151,413,1617,1643]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="37" pageNumber="188" phylum="Mollusca" rank="species" species="macleani" status="sp. nov.">
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<emphasis id="B955EADEBA331C13FF48135EFE05F9E5" bold="true" box="[151,413,1617,1643]" italics="true" pageId="37" pageNumber="188">Leptochiton macleani</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A26657A5BA331C13FE7A135EFE7FF9E5" box="[421,487,1617,1643]" pageId="37" pageNumber="188" 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="8B9E36CCBA331C13FF48137BFEBFF903" blockId="37.[151,487,1617,1677]" box="[151,295,1652,1677]" pageId="37" pageNumber="188">
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||
(
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<figureCitation id="131A2A49BA331C13FF40137BFE87F903" box="[159,287,1652,1677]" captionStart-0="FIGURE 34" captionStart-1="FIGURE 35" captionStart-2="FIGURE 36" captionStartId-0="38.[151,250,1587,1609]" captionStartId-1="39.[151,250,1327,1349]" captionStartId-2="40.[151,250,1910,1932]" captionTargetBox-0="[160,1426,188,1556]" captionTargetBox-1="[160,1424,202,1291]" captionTargetBox-2="[172,1419,203,1872]" captionTargetId-0="figure@38.[150,1436,179,1566]" captionTargetId-1="figure@39.[150,1436,193,1305]" captionTargetId-2="figure@40.[151,1435,193,1889]" captionTargetPageId-0="38" captionTargetPageId-1="39" captionTargetPageId-2="40" captionText-0="FIGURE 34. Leptochiton mcleani n. sp. Holotype, (ZISP 2221). Peru-Chile Trench, RV Akademik Kurchatov, st. 240, BL— 10.0 mm. A. Valve I, dorsal view; B. Valve V, dorsal view; C. Valve VIII, dorsal view; D. Valve VI, ventral view; E. Valve V, detail of tegmentum surface of central area; F. Valve VIII, lateral view; G. Valve V, rostral view." captionText-1="FIGURE 35. Leptochiton mcleani n. sp. Holotype, (ZISP 2221). Peru-Chile Trench, RV Akademik Kurchatov, st. 240, BL— 10.0 mm. A, C. Dorsal and ventral scales; B, D. Central portion of radula." captionText-2="FIGURE 36. Leptochiton mcleani n. sp. Holotype, (ZISP 2221). Peru-Chile Trench, RV Akademik Kurchatov, st. 240, BL— 10.0 mm. A. Sutural needle; B. Dorsal scale; C. Marginal needle; D. Ventral scale; E. Central and first lateral teeth; F. Heads of major lateral tooth; G. Aesthete group in central area. Scale bar 100 µm (A – F)." httpUri-0="https://zenodo.org/record/241644/files/figure.png" httpUri-1="https://zenodo.org/record/241645/files/figure.png" httpUri-2="https://zenodo.org/record/241646/files/figure.png" pageId="37" pageNumber="188">Figs 34–36</figureCitation>
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)
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</paragraph>
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<paragraph id="8B9E36CCBA331C13FF4813B3FA04F976" blockId="37.[151,1436,1724,2037]" pageId="37" pageNumber="188">
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<emphasis id="B955EADEBA331C13FF4813B3FF7BF95B" bold="true" box="[151,227,1724,1749]" pageId="37" pageNumber="188">
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<typeStatus id="549A886EBA331C13FF4813B3FF47F95B" box="[151,223,1724,1749]" pageId="37" pageNumber="188">Types</typeStatus>
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.
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</emphasis>
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<typeStatus id="549A886EBA331C13FF3513B3FECAF95B" box="[234,338,1724,1749]" pageId="37" pageNumber="188" type="holotype">Holotype</typeStatus>
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(ZISP 2221), now disarticulated consisting of SEM stub of valves I, V, VI, VIII, part of perinotum and radula, mount of part of perinotum and radula and vial with other valves, and two
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<typeStatus id="549A886EBA331C13FB8B13EFFB27F976" box="[1108,1215,1760,1784]" pageId="37" pageNumber="188" type="paratype">paratypes</typeStatus>
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(ZISP 2222, 2223).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA331C13FF18120BFE84F8CE" pageId="37" pageNumber="188" type="materials_examined">
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<paragraph id="8B9E36CCBA331C13FF18120BFE84F8CE" blockId="37.[151,1436,1724,2037]" pageId="37" pageNumber="188">
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<emphasis id="B955EADEBA331C13FF18120BFEFDF893" bold="true" box="[199,357,1796,1821]" pageId="37" pageNumber="188">
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<typeStatus id="549A886EBA331C13FF18120BFE9AF893" box="[199,258,1796,1821]" pageId="37" pageNumber="188">Type</typeStatus>
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locality.
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</emphasis>
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Peru-Chile Trench, RV Akademik Kurchatov, cruise 4, st.240,
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<geoCoordinate id="EE15500BBA331C13FBF8120BFB3CF893" box="[1063,1188,1796,1821]" direction="south" orientation="latitude" pageId="37" pageNumber="188" precision="15" value="-23.833334">23°50’0’’S</geoCoordinate>
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,
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<geoCoordinate id="EE15500BBA331C13FB6F120BFAADF893" box="[1200,1333,1796,1821]" direction="west" orientation="longitude" pageId="37" pageNumber="188" precision="15" value="-71.1">71°06’0’’W</geoCoordinate>
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,
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<quantity id="4CD99B29BA331C13FA9F120BFA00F892" box="[1344,1432,1796,1821]" metricMagnitude="3" metricUnit="m" metricValue="4.6" pageId="37" pageNumber="188" unit="m" value="4600.0">4600 m</quantity>
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,
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<date id="FF9F100CBA331C13FF481228FE81F8CE" box="[151,281,1831,1856]" pageId="37" pageNumber="188" value="1968-09-23">23.09.1968</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA331C13FF181243FCD4F806" pageId="37" pageNumber="188" type="etymology">
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<paragraph id="8B9E36CCBA331C13FF181243FCD4F806" blockId="37.[151,1436,1724,2037]" pageId="37" pageNumber="188">
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<emphasis id="B955EADEBA331C13FF181243FED6F8EB" bold="true" box="[199,334,1868,1893]" pageId="37" pageNumber="188">Etymology.</emphasis>
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After my colleague Dr. James H. McLean, Los Angeles County Museum, Los Angeles,
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<collectingCountry id="F336765CBA331C13FAE61242FA0FF8EA" box="[1337,1431,1868,1892]" name="United States of America" pageId="37" pageNumber="188">U. S. A.</collectingCountry>
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, who is a skilled taxonomist of marine gastropods and chitons.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B6547BA331C13FF18129BFB60F87B" pageId="37" pageNumber="188" type="materials_examined">
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||
<paragraph id="8B9E36CCBA331C13FF18129BFB60F87B" blockId="37.[151,1436,1724,2037]" pageId="37" pageNumber="188">
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||
<emphasis id="B955EADEBA331C13FF18129BFE21F823" bold="true" box="[199,441,1940,1965]" pageId="37" pageNumber="188">Material examined.</emphasis>
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<typeStatus id="549A886EBA331C13FE17129BFDABF823" box="[456,563,1940,1965]" pageId="37" pageNumber="188" type="holotype">Holotype</typeStatus>
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||
, BL—
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||
<quantity id="4CD99B29BA331C13FD56129BFD7AF822" box="[649,738,1940,1964]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="37" pageNumber="188" unit="mm" value="10.0">10 mm</quantity>
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; RV Akademik Kurchatov, cruise 4, st. 554,
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||
<geoCoordinate id="EE15500BBA331C13FAC5129BFA0FF823" box="[1306,1431,1940,1965]" direction="south" orientation="latitude" pageId="37" pageNumber="188" precision="15" value="-22.083334">22°05’0’’S</geoCoordinate>
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||
,
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||
<geoCoordinate id="EE15500BBA331C13FF4812B7FE84F85F" box="[151,284,1976,2001]" direction="west" orientation="longitude" pageId="37" pageNumber="188" precision="15" value="-71.433334">71°26’0’’W</geoCoordinate>
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||
<quantity id="4CD99B29BA331C13FEF212B7FE15F85E" box="[301,397,1976,2000]" metricMagnitude="3" metricUnit="m" metricValue="3.9799999999999995" pageId="37" pageNumber="188" unit="m" value="3980.0">3980 m</quantity>
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||
,
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||
<typeStatus id="549A886EBA331C13FE7C12B6FD9BF85F" box="[419,515,1977,2001]" pageId="37" pageNumber="188" type="paratype">paratype</typeStatus>
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||
(
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<collectionCode id="ED30AE09BA331C13FDC412B7FDCEF85E" box="[539,598,1976,2000]" httpUri="http://grbio.org/cool/vmfx-g997" name="Zoological Institute, Russian Academy of Sciences" pageId="37" pageNumber="188">ZISP</collectionCode>
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||
2222), BL—
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||
<quantity id="4CD99B29BA331C13FCDE12B7FCC3F85E" box="[769,859,1976,2000]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="37" pageNumber="188" unit="mm" value="10.0">10 mm</quantity>
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||
; RV Akademik Alexander Karpinskiy, st. 155,
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||
<geoCoordinate id="EE15500BBA331C13FF4812D3FEBAF87A" box="[151,290,2012,2036]" direction="south" orientation="latitude" pageId="37" pageNumber="188" precision="15" value="-10.0525">10°03’09’’S</geoCoordinate>
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||
,
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||
<geoCoordinate id="EE15500BBA331C13FEF212D3FE27F87B" box="[301,447,2012,2037]" direction="west" orientation="longitude" pageId="37" pageNumber="188" precision="15" value="-86.18445">86°11’04’’W</geoCoordinate>
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||
,
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<quantity id="4CD99B29BA331C13FE1412D3FDBAF87A" box="[459,546,2012,2037]" metricMagnitude="3" metricUnit="m" metricValue="4.255" pageId="37" pageNumber="188" unit="m" value="4255.0">4255 m</quantity>
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,
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||
<typeStatus id="549A886EBA331C13FDF112D2FD16F87B" box="[558,654,2013,2037]" pageId="37" pageNumber="188" type="paratype">paratype</typeStatus>
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||
(
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<collectionCode id="ED30AE09BA331C13FD4212D3FD40F87A" box="[669,728,2012,2036]" httpUri="http://grbio.org/cool/vmfx-g997" name="Zoological Institute, Russian Academy of Sciences" pageId="37" pageNumber="188">ZISP</collectionCode>
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2223), BL—
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||
<quantity id="4CD99B29BA331C13FCAE12D3FC58F87A" box="[881,960,2012,2036]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="37" pageNumber="188" unit="mm" value="17.0">17 mm</quantity>
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||
, 0 9.1987, leg.
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||
<collectingCountry id="F336765CBA331C13FBBB12D3FBE3F87A" box="[1124,1147,2012,2036]" name="Iceland" pageId="37" pageNumber="188">O</collectingCountry>
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||
. Alexeeva.
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||
</paragraph>
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||
</subSubSection>
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||
<caption id="DF5E6644BA301C10FF48133CFBFCF909" httpUri="https://zenodo.org/record/241644/files/figure.png" pageId="38" pageNumber="189" targetBox="[160,1426,188,1556]" targetPageId="38">
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||
<paragraph id="8B9E36CCBA301C10FF48133CFBFCF909" blockId="38.[151,1436,1587,1671]" pageId="38" pageNumber="189">
|
||
<emphasis id="B955EADEBA301C10FF48133CFE82F9C7" bold="true" box="[151,282,1587,1609]" pageId="38" pageNumber="189">FIGURE 34</emphasis>
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||
.
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||
<taxonomicName id="4C214D4FBA301C10FEF7133CFE60F9C7" box="[296,504,1587,1609]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="38" pageNumber="189" phylum="Mollusca" rank="species" species="mcleani" status="sp. nov.">
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||
<emphasis id="B955EADEBA301C10FEF7133CFE60F9C7" box="[296,504,1587,1609]" italics="true" pageId="38" pageNumber="189">Leptochiton mcleani</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B955EADEBA301C10FDDE133CFDA3F9C7" bold="true" box="[513,571,1587,1609]" pageId="38" pageNumber="189">
|
||
<taxonomicNameLabel id="A26657A5BA301C10FDDE133CFDA3F9C7" box="[513,571,1587,1609]" pageId="38" pageNumber="189" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
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||
Holotype, (ZISP 2221). Peru-Chile Trench, RV Akademik Kurchatov, st.240, BL— 10.0 mm.
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<emphasis id="B955EADEBA301C10FF21135DFE88F9E6" bold="true" box="[254,272,1618,1640]" pageId="38" pageNumber="189">A</emphasis>
|
||
. Valve I, dorsal view;
|
||
<emphasis id="B955EADEBA301C10FE27135DFD91F9E6" bold="true" box="[504,521,1618,1640]" pageId="38" pageNumber="189">B</emphasis>
|
||
. Valve V, dorsal view;
|
||
<emphasis id="B955EADEBA301C10FD28135DFC91F9E6" bold="true" box="[759,777,1618,1640]" pageId="38" pageNumber="189">C</emphasis>
|
||
. Valve VIII, dorsal view;
|
||
<emphasis id="B955EADEBA301C10FBCB135DFBBEF9E6" bold="true" box="[1044,1062,1618,1640]" pageId="38" pageNumber="189">D</emphasis>
|
||
. Valve VI, ventral view;
|
||
<emphasis id="B955EADEBA301C10FAF7135DFAA1F9E6" bold="true" box="[1320,1337,1618,1640]" pageId="38" pageNumber="189">E</emphasis>
|
||
. Valve V, detail of tegmentum surface of central area;
|
||
<emphasis id="B955EADEBA301C10FD89137EFDFBF909" bold="true" box="[598,611,1649,1671]" pageId="38" pageNumber="189">F</emphasis>
|
||
. Valve VIII, lateral view;
|
||
<emphasis id="B955EADEBA301C10FCB2137EFCE6F909" bold="true" box="[877,894,1649,1671]" pageId="38" pageNumber="189">G</emphasis>
|
||
. Valve V, rostral view.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C33B6547BA301C10FF1813BCFD46F945" box="[199,734,1715,1740]" pageId="38" pageNumber="189" type="distribution">
|
||
<paragraph id="8B9E36CCBA301C10FF1813BCFD46F945" blockId="38.[151,1436,1715,2028]" box="[199,734,1715,1740]" pageId="38" pageNumber="189">
|
||
<emphasis id="B955EADEBA301C10FF1813BCFEF8F942" bold="true" box="[199,352,1715,1740]" pageId="38" pageNumber="189">Distribution.</emphasis>
|
||
Peru-Chile Trench,
|
||
<quantity id="4CD99B29BA301C10FD9B13BCFD46F945" box="[580,734,1715,1740]" metricMagnitude="3" metricUnit="m" metricValue="4.29" metricValueMax="4.6" metricValueMin="3.9799999999999995" pageId="38" pageNumber="189" unit="m" value="4290.0" valueMax="4600.0" valueMin="3980.0">3980–4600 m</quantity>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33B6547BA301C10FF1813D8FD3BF8D2" pageId="38" pageNumber="189" type="diagnosis">
|
||
<paragraph id="8B9E36CCBA301C10FF1813D8FD3BF8D2" blockId="38.[151,1436,1715,2028]" pageId="38" pageNumber="189">
|
||
<emphasis id="B955EADEBA301C10FF1813D8FED9F97E" bold="true" box="[199,321,1751,1776]" pageId="38" pageNumber="189">Diagnosis.</emphasis>
|
||
Animal of small size. Shell low, subcarinated. Head valve wider than tail valve. Mucro central, indistinct. Tegmentum with granules of irregular shape arranged quincuncially. Each granule with one megalaesthete and two micraesthetes in front. Dorsal scales sharply pointed with one riblet. Major lateral teeth of radula has unidentate head. Nine gills per side.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33B6547BA301C11FF181268FC92F94D" lastPageId="39" lastPageNumber="190" pageId="38" pageNumber="189" type="description">
|
||
<paragraph id="8B9E36CCBA301C10FF181268FAF3F865" blockId="38.[151,1436,1715,2028]" pageId="38" pageNumber="189">
|
||
<emphasis id="B955EADEBA301C10FF181268FEC1F80E" bold="true" box="[199,345,1895,1920]" pageId="38" pageNumber="189">Description.</emphasis>
|
||
<typeStatus id="549A886EBA301C10FE801268FE5FF80E" box="[351,455,1895,1920]" pageId="38" pageNumber="189" type="holotype">Holotype</typeStatus>
|
||
10.0 x
|
||
<quantity id="4CD99B29BA301C10FDC31267FDEDF8F1" box="[540,629,1896,1920]" metricMagnitude="-3" metricUnit="m" metricValue="4.9" pageId="38" pageNumber="189" unit="mm" value="4.9">4.9 mm</quantity>
|
||
. Valves subcarinated, moderately elevated (elevation ratio
|
||
<quantity id="4CD99B29BA301C10FAD51267FAC0F80E" box="[1290,1368,1895,1920]" metricMagnitude="-3" metricUnit="m" metricValue="9.906" pageId="38" pageNumber="189" unit="in" value="0.39">0.39 in</quantity>
|
||
valve V), not beaked. Color of tegmentum white. Head valve semicircular, wider than tail valve. Intermediate valves rectangular, lateral areas slightly raised, anterior margin convex, posterior margin straight, not beaked. Length of tail valve shorter than half the width, mucro indistinct, antemucronal and postmucronal slopes weekly convex.
|
||
</paragraph>
|
||
<caption id="DF5E6644BA311C11FF481020FC1DFAED" httpUri="https://zenodo.org/record/241645/files/figure.png" pageId="39" pageNumber="190" targetBox="[160,1424,202,1291]" targetPageId="39">
|
||
<paragraph id="8B9E36CCBA311C11FF481020FC1DFAED" blockId="39.[151,1436,1327,1379]" pageId="39" pageNumber="190">
|
||
<emphasis id="B955EADEBA311C11FF481020FE82FACB" bold="true" box="[151,282,1327,1349]" pageId="39" pageNumber="190">FIGURE 35</emphasis>
|
||
.
|
||
<taxonomicName id="4C214D4FBA311C11FEF71020FE60FACB" box="[296,504,1327,1349]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="mcleani" status="sp. nov.">
|
||
<emphasis id="B955EADEBA311C11FEF71020FE60FACB" box="[296,504,1327,1349]" italics="true" pageId="39" pageNumber="190">Leptochiton mcleani</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B955EADEBA311C11FDDE1020FDA3FACB" bold="true" box="[513,571,1327,1349]" pageId="39" pageNumber="190">
|
||
<taxonomicNameLabel id="A26657A5BA311C11FDDE1020FDA3FACB" box="[513,571,1327,1349]" pageId="39" pageNumber="190" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Holotype, (ZISP 2221). Peru-Chile Trench, RV Akademik Kurchatov, st.240, BL— 10.0 mm.
|
||
<emphasis id="B955EADEBA311C11FF221042FEB6FAED" bold="true" box="[253,302,1357,1379]" pageId="39" pageNumber="190">A, C</emphasis>
|
||
. Dorsal and ventral scales;
|
||
<emphasis id="B955EADEBA311C11FD991042FDEEFAED" bold="true" box="[582,630,1357,1379]" pageId="39" pageNumber="190">B, D</emphasis>
|
||
. Central portion of radula.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9E36CCBA311C11FF181083FA8AFA49" blockId="39.[151,1436,1419,2020]" pageId="39" pageNumber="190">Tegmentum uniformly sculptured with quincuncially arranged granules of irregular shape, each granule with one megalaesthete and two micraesthetes in front, all three aesthete pores of approximately equal size.</paragraph>
|
||
<paragraph id="8B9E36CCBA311C11FF1810DCFC51FA62" blockId="39.[151,1436,1419,2020]" box="[199,969,1491,1516]" pageId="39" pageNumber="190">Articulamentum well developed, apophyses small, widely separated.</paragraph>
|
||
<paragraph id="8B9E36CCBA311C11FF1810F9FADCF9D9" blockId="39.[151,1436,1419,2020]" pageId="39" pageNumber="190">
|
||
Girdle very narrow (about
|
||
<quantity id="4CD99B29BA311C11FE2D10F8FDD0F981" box="[498,584,1527,1551]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="39" pageNumber="190" unit="mm" value="0.3">0.3 mm</quantity>
|
||
near valve V, 6.5 % of body width), dorsally covered with elongate, sharply pointed scales (
|
||
<date id="FF9F100CBA311C11FE911314FE35F9BA" box="[334,429,1563,1588]" pageId="39" pageNumber="190" value="1985-10-26">85 x 26</date>
|
||
µm) with one distinct riblet. Intersegmental areas with long needles (180
|
||
<date id="FF9F100CBA311C11FAFB1313FAC2F9BA" box="[1316,1370,1563,1588]" pageId="39" pageNumber="190" value="1916-10">x 16</date>
|
||
µm). Marginal needles 151
|
||
<date id="FF9F100CBA311C11FE4F134FFE59F9D9" box="[400,449,1598,1623]" pageId="39" pageNumber="190" value="1915-10">x 15</date>
|
||
µm. Ventrally, the girdle is covered with elongate smooth scales (107
|
||
<date id="FF9F100CBA311C11FB09134FFA9FF9D9" box="[1238,1287,1599,1623]" pageId="39" pageNumber="190" value="1928-10">x 28</date>
|
||
µm).
|
||
</paragraph>
|
||
<paragraph id="8B9E36CCBA311C11FF18136CFE0BF911" blockId="39.[151,1436,1419,2020]" pageId="39" pageNumber="190">
|
||
Radula of
|
||
<typeStatus id="549A886EBA311C11FEE4136CFE05F9F2" box="[315,413,1635,1660]" pageId="39" pageNumber="190" type="holotype">holotype</typeStatus>
|
||
<quantity id="4CD99B29BA311C11FE7C136CFE61F9F5" box="[419,505,1635,1659]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" pageId="39" pageNumber="190" unit="mm" value="3.8">3.8 mm</quantity>
|
||
long, with 26 transverse rows of mature teeth, central teeth oval, major lateral teeth with unidentate heads.
|
||
</paragraph>
|
||
<paragraph id="8B9E36CCBA311C11FF1813A4FC92F94D" blockId="39.[151,1436,1419,2020]" box="[199,778,1707,1732]" pageId="39" pageNumber="190">Nine gills per side arranged from valve VII to anus.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33B6547BA311C1FFF1813C1FC58FE06" lastPageId="41" lastPageNumber="192" pageId="39" pageNumber="190" type="discussion">
|
||
<paragraph id="8B9E36CCBA311C1FFF1813C1FC58FE06" blockId="39.[151,1436,1419,2020]" lastBlockId="41.[151,1436,151,392]" lastPageId="41" lastPageNumber="192" pageId="39" pageNumber="190">
|
||
<emphasis id="B955EADEBA311C11FF1813C1FEA3F969" bold="true" box="[199,315,1742,1767]" pageId="39" pageNumber="190">Remarks.</emphasis>
|
||
<taxonomicName id="4C214D4FBA311C11FE9B13C1FDA2F969" box="[324,570,1742,1767]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="macleani" status="sp. nov.">
|
||
<emphasis id="B955EADEBA311C11FE9B13C1FDA2F969" box="[324,570,1742,1767]" italics="true" pageId="39" pageNumber="190">Leptochiton macleani</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A26657A5BA311C11FD9A13C1FD1FF969" box="[581,647,1742,1767]" pageId="39" pageNumber="190" rank="species">
|
||
<emphasis id="B955EADEBA311C11FD9A13C1FD1FF969" bold="true" box="[581,647,1742,1767]" pageId="39" pageNumber="190">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is similar to
|
||
<emphasis id="B955EADEBA311C11FCF913DFFE82F882" italics="true" pageId="39" pageNumber="190">
|
||
<taxonomicName id="4C214D4FBA311C11FCF913DFFC31F969" box="[806,937,1742,1767]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="belknapi">L. belknapi</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C214D4FBA311C11FC6713DFFBA0F969" box="[952,1080,1742,1767]" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="alveolus">L. alveolus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C214D4FBA311C11FB9813DFFB4FF969" box="[1095,1239,1744,1767]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="giganteus">L. giganteus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C214D4FBA311C11FB3A13DFFAEFF969" box="[1253,1399,1744,1767]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="sigwartae">L. sigwartae</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C214D4FBA311C11FA5913DFFE82F882" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="halistreptus">L. halistreptus</taxonomicName>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C214D4FBA311C11FE8513FBFD98F882" box="[346,512,1779,1804]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="mutschkeae">
|
||
<emphasis id="B955EADEBA311C11FE8513FBFD98F882" box="[346,512,1779,1804]" italics="true" pageId="39" pageNumber="190">L. mutschkeae</emphasis>
|
||
</taxonomicName>
|
||
. It differs from
|
||
<taxonomicName id="4C214D4FBA311C11FD1913FBFCD1F882" box="[710,841,1779,1804]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="belknapi">
|
||
<emphasis id="B955EADEBA311C11FD1913FBFCD1F882" box="[710,841,1779,1804]" italics="true" pageId="39" pageNumber="190">L. belknapi</emphasis>
|
||
</taxonomicName>
|
||
in having one rib on the dorsal scales (two in
|
||
<taxonomicName id="4C214D4FBA311C11FA5A13FBFF6FF8A1" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="belknapi">
|
||
<emphasis id="B955EADEBA311C11FA5A13FBFF6FF8A1" italics="true" pageId="39" pageNumber="190">L. belknapi</emphasis>
|
||
</taxonomicName>
|
||
), an indistinct mucro (distinct in
|
||
<taxonomicName id="4C214D4FBA311C11FDAE1217FD77F8A1" box="[625,751,1814,1839]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="belknapi">
|
||
<emphasis id="B955EADEBA311C11FDAE1217FD77F8A1" box="[625,751,1814,1839]" italics="true" pageId="39" pageNumber="190">L. belknapi</emphasis>
|
||
</taxonomicName>
|
||
) and the absence of a small inner denticle on the cusp of the major lateral radula tooth (large outer and small inner denticle in
|
||
<taxonomicName id="4C214D4FBA311C11FCAA1233FC6BF8DA" box="[885,1011,1851,1876]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="belknapi">
|
||
<emphasis id="B955EADEBA311C11FCAA1233FC6BF8DA" box="[885,1011,1851,1876]" italics="true" pageId="39" pageNumber="190">L. belknapi</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<taxonomicName id="4C214D4FBA311C11FBD41234FB68F8DA" box="[1035,1264,1851,1876]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="mcleani">
|
||
<emphasis id="B955EADEBA311C11FBD41234FB68F8DA" box="[1035,1264,1851,1876]" italics="true" pageId="39" pageNumber="190">Leptochiton mcleani</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C214D4FBA311C11FA5A1233FF6CF8F9" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="alveolus">
|
||
<emphasis id="B955EADEBA311C11FA5A1233FF6CF8F9" italics="true" pageId="39" pageNumber="190">L. alveolus</emphasis>
|
||
</taxonomicName>
|
||
in having three pores in the aesthete group (five in
|
||
<taxonomicName id="4C214D4FBA311C11FC91126FFC53F8F9" box="[846,971,1886,1911]" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="alveolus">
|
||
<emphasis id="B955EADEBA311C11FC91126FFC53F8F9" box="[846,971,1886,1911]" italics="true" pageId="39" pageNumber="190">L. alveolus</emphasis>
|
||
</taxonomicName>
|
||
), one rib on the dorsal scales (two in
|
||
<taxonomicName id="4C214D4FBA311C11FA5A126FFF6CF812" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="alveolus">
|
||
<emphasis id="B955EADEBA311C11FA5A126FFF6CF812" italics="true" pageId="39" pageNumber="190">L. alveolus</emphasis>
|
||
</taxonomicName>
|
||
), an indistinct mucro (distinct in
|
||
<taxonomicName id="4C214D4FBA311C11FD42128BFCB8F812" box="[669,800,1923,1948]" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="alveolus">
|
||
<emphasis id="B955EADEBA311C11FD42128BFCB8F812" box="[669,800,1923,1948]" italics="true" pageId="39" pageNumber="190">L. alveolus</emphasis>
|
||
</taxonomicName>
|
||
) and a subcarinated shell (rounded in
|
||
<taxonomicName id="4C214D4FBA311C11FAD7128BFA13F812" box="[1288,1419,1923,1948]" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="alveolus">
|
||
<emphasis id="B955EADEBA311C11FAD7128BFA13F812" box="[1288,1419,1923,1948]" italics="true" pageId="39" pageNumber="190">L. alveolus</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<taxonomicName id="4C214D4FBA311C11FF4812A9FE1AF831" box="[151,386,1958,1983]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="mcleani">
|
||
<emphasis id="B955EADEBA311C11FF4812A9FE1AF831" box="[151,386,1958,1983]" italics="true" pageId="39" pageNumber="190">Leptochiton mcleani</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C214D4FBA311C11FDF712A7FD21F831" box="[552,697,1960,1983]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="sigwartae">
|
||
<emphasis id="B955EADEBA311C11FDF712A7FD21F831" box="[552,697,1960,1983]" italics="true" pageId="39" pageNumber="190">L. sigwartae</emphasis>
|
||
</taxonomicName>
|
||
in having three pores in the aesthete group (five pores in
|
||
<taxonomicName id="4C214D4FBA311C11FA5A12A7FE9DF86D" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="sigwartae">
|
||
<emphasis id="B955EADEBA311C11FA5A12A7FE9DF86D" italics="true" pageId="39" pageNumber="190">L. sigwartae</emphasis>
|
||
</taxonomicName>
|
||
), an indistinct mucro (distinct in
|
||
<taxonomicName id="4C214D4FBA311C11FD4812C3FCBBF86D" box="[663,803,1996,2019]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="39" pageNumber="190" phylum="Mollusca" rank="species" species="sigwartae">
|
||
<emphasis id="B955EADEBA311C11FD4812C3FCBBF86D" box="[663,803,1996,2019]" italics="true" pageId="39" pageNumber="190">L. sigwartae</emphasis>
|
||
</taxonomicName>
|
||
), a tail valve narrower than the head valve (tail valve distinctly wider than head valve in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFDFD1596FD35FF3E" box="[546,685,153,176]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="sigwartae">
|
||
<emphasis id="B955EADEBA3F1C1FFDFD1596FD35FF3E" box="[546,685,153,176]" italics="true" pageId="41" pageNumber="192">L. sigwartae</emphasis>
|
||
</taxonomicName>
|
||
), one rib on the dorsal scales (two in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFB8A1596FB7AFF3E" box="[1109,1250,153,176]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="sigwartae">
|
||
<emphasis id="B955EADEBA3F1C1FFB8A1596FB7AFF3E" box="[1109,1250,153,176]" italics="true" pageId="41" pageNumber="192">L. sigwartae</emphasis>
|
||
</taxonomicName>
|
||
) and a low shell (high shell in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFEEA15B2FE5AFF5A" box="[309,450,189,212]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="sigwartae">
|
||
<emphasis id="B955EADEBA3F1C1FFEEA15B2FE5AFF5A" box="[309,450,189,212]" italics="true" pageId="41" pageNumber="192">L. sigwartae</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<taxonomicName id="4C214D4FBA3F1C1FFE0415B3FD5AFF5B" box="[475,706,188,213]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="mcleani">
|
||
<emphasis id="B955EADEBA3F1C1FFE0415B3FD5AFF5B" box="[475,706,188,213]" italics="true" pageId="41" pageNumber="192">Leptochiton mcleani</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C214D4FBA3F1C1FFC8615B2FC62FF5B" box="[857,1018,188,213]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="mutschkeae">
|
||
<emphasis id="B955EADEBA3F1C1FFC8615B2FC62FF5B" box="[857,1018,188,213]" italics="true" pageId="41" pageNumber="192">L. mutschkeae</emphasis>
|
||
</taxonomicName>
|
||
in having three pores in the aesthete group (five pores in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFEA515EEFD82FF76" box="[378,538,223,248]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="mutschkeae">
|
||
<emphasis id="B955EADEBA3F1C1FFEA515EEFD82FF76" box="[378,538,223,248]" italics="true" pageId="41" pageNumber="192">L. mutschkeae</emphasis>
|
||
</taxonomicName>
|
||
), one rib on the dorsal scales (two in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFC6215EEFBC6FF76" box="[957,1118,223,248]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="mutschkeae">
|
||
<emphasis id="B955EADEBA3F1C1FFC6215EEFBC6FF76" box="[957,1118,223,248]" italics="true" pageId="41" pageNumber="192">L. mutschkeae</emphasis>
|
||
</taxonomicName>
|
||
) and shorter granules on the tegmentum (elongated granules in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFDEA140AFD44FE93" box="[565,732,260,285]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="mutschkeae">
|
||
<emphasis id="B955EADEBA3F1C1FFDEA140AFD44FE93" box="[565,732,260,285]" italics="true" pageId="41" pageNumber="192">L. mutschkeae</emphasis>
|
||
</taxonomicName>
|
||
). The new species differs from
|
||
<taxonomicName id="4C214D4FBA3F1C1FFBB9140AFB6FFE92" box="[1126,1271,261,284]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="giganteus">
|
||
<emphasis id="B955EADEBA3F1C1FFBB9140AFB6FFE92" box="[1126,1271,261,284]" italics="true" pageId="41" pageNumber="192">L. giganteus</emphasis>
|
||
</taxonomicName>
|
||
in having an indistinct mucro (distinct in
|
||
<taxonomicName id="4C214D4FBA3F1C1FFE351426FDE2FECE" box="[490,634,297,320]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="giganteus">
|
||
<emphasis id="B955EADEBA3F1C1FFE351426FDE2FECE" box="[490,634,297,320]" italics="true" pageId="41" pageNumber="192">L. giganteus</emphasis>
|
||
</taxonomicName>
|
||
), a wider jugal sinus and a shorter antemucronal area.
|
||
<taxonomicName id="4C214D4FBA3F1C1FFAC91428FE82FEEB" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="halistreptus">
|
||
<emphasis id="B955EADEBA3F1C1FFAC91428FE82FEEB" italics="true" pageId="41" pageNumber="192">Leptochiton halistreptus</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C214D4FBA3F1C1FFE721442FDBBFEEB" box="[429,547,332,357]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="41" pageNumber="192" phylum="Mollusca" rank="species" species="mcleani">
|
||
<emphasis id="B955EADEBA3F1C1FFE721442FDBBFEEB" box="[429,547,332,357]" italics="true" pageId="41" pageNumber="192">L. mcleani</emphasis>
|
||
</taxonomicName>
|
||
by having an extensive row of gills arranged from the anus to valve V, two ribs on the ventral scales and a tail valve which is wider than the head valve.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |