379 lines
47 KiB
XML
379 lines
47 KiB
XML
<document id="1F2BC31BAB7D66F7A1CDC688F4AEB3E6" ID-CLB-Dataset="7950" ID-DOI="10.11646/zootaxa.4878.3.3" ID-GBIF-Dataset="b9c711ba-146d-447b-ac2d-e1a0fcce0053" ID-ISSN="1175-5326" ID-Zenodo-Dep="4425178" ID-ZooBank="B660B3B2-7D4A-44C4-92C9-4BE24A1EA950" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1610040207257" checkinUser="plazi" docAuthor="Sirenko, Boris I." docDate="2020" docId="039487CEF01AFFA6FF5DFF11FEA4F8DD" docLanguage="en" docName="zootaxa.4878.3.3.pdf" docOrigin="Zootaxa 4878 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leptochiton spiniferus Sirenko 2020, n. sp." docType="treatment" docVersion="8" lastPageNumber="494" masterDocId="FFADFFB6F003FFBDFFCAFF86FFD6FF91" masterDocTitle="New shelf and bathyal Philippine leptochitons (Mollusca: Polyplacophora Lepidopleurida)" masterLastPageNumber="500" masterPageNumber="467" pageNumber="492" updateTime="1698923802988" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:titleInfo id="58B20155721C75A3CBF34EE681916868">
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<mods:title id="37B1B992C9C124EFFF2E7912B6935067">New shelf and bathyal Philippine leptochitons (Mollusca: Polyplacophora Lepidopleurida)</mods:title>
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<mods:name id="FFBB0E259DAB2B2F3E85687C0CC6FBF0" type="personal">
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<mods:namePart id="BF0923B3FFD581950E83C69B93DD82C4">Sirenko, Boris I.</mods:namePart>
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<mods:title id="06D1EC7419ADC61DAE133681373051A6">Zootaxa</mods:title>
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<mods:part id="8E2E9EFBC14E0A584212F49D280F8C6B">
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<mods:date id="CCB755505EF7233A99F51272C934D554">2020</mods:date>
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<mods:number id="E6D0ACD52E0D98FC95052F936B54832D">2020-11-16</mods:number>
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<mods:number id="FF08D2B68F060FBCCA5B1310BF5F664B">4878</mods:number>
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<mods:identifier id="5773F981B4563379A57C6D7522AFDE72" type="DOI">10.11646/zootaxa.4878.3.3</mods:identifier>
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<treatment id="039487CEF01AFFA6FF5DFF11FEA4F8DD" ID-DOI="http://doi.org/10.5281/zenodo.4426192" ID-GBIF-Taxon="180324279" ID-Zenodo-Dep="4426192" LSID="urn:lsid:plazi:treatment:039487CEF01AFFA6FF5DFF11FEA4F8DD" httpUri="http://treatment.plazi.org/id/039487CEF01AFFA6FF5DFF11FEA4F8DD" lastPageId="27" lastPageNumber="494" pageId="25" pageNumber="492">
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<subSubSection id="C3276553F01AFFA4FF5DFF11FE24FF20" box="[151,498,151,178]" pageId="25" pageNumber="492" type="nomenclature">
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<paragraph id="8B8236D8F01AFFA4FF5DFF11FE24FF20" blockId="25.[151,498,151,213]" box="[151,498,151,178]" pageId="25" pageNumber="492">
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<heading id="D0CA81B4F01AFFA4FF5DFF11FE24FF20" bold="true" box="[151,498,151,178]" fontSize="11" level="1" pageId="25" pageNumber="492" reason="1">
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<emphasis id="B949EACAF01AFFA4FF5DFF11FE24FF20" bold="true" box="[151,498,151,178]" pageId="25" pageNumber="492">
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<taxonomicName id="4C3D4D5BF01AFFA4FF5DFF11FE7FFF20" ID-CoL="e5a389aa-e385-429b-979d-02165ee2b02e" authority="Sirenko, 2020" authorityName="Sirenko" authorityYear="2020" box="[151,425,151,178]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="25" pageNumber="492" phylum="Mollusca" rank="species" species="spiniferus" status="sp. nov.">
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<emphasis id="B949EACAF01AFFA4FF5DFF11FE7FFF20" bold="true" box="[151,425,151,178]" italics="true" pageId="25" pageNumber="492">Leptochiton spiniferus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27A57B1F01AFFA4FE7AFF11FE24FF20" box="[432,498,151,177]" pageId="25" pageNumber="492" rank="species">n. sp.</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="C3276553F01AFFA4FF5DFF3DFEF8FF44" box="[151,302,187,213]" pageId="25" pageNumber="492" type="description">
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<paragraph id="8B8236D8F01AFFA4FF5DFF3DFEF8FF44" blockId="25.[151,498,151,213]" box="[151,302,187,213]" pageId="25" pageNumber="492">
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(
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<figureCitation id="13062A5DF01AFFA4FF55FF3DFEF0FF44" box="[159,294,187,213]" captionStart-0="FIGURE 28" captionStart-1="FIGURE 29" captionStart-2="FIGURE 30" captionStart-3="FIGURE 31" captionStart-4="FIGURE 32" captionStartId-0="25.[151,250,1485,1509]" captionStartId-1="26.[151,250,1615,1639]" captionStartId-2="28.[151,250,1305,1329]" captionStartId-3="28.[151,250,1962,1986]" captionStartId-4="29.[151,250,1530,1554]" captionTargetBox-0="[163,1427,451,1419]" captionTargetBox-1="[157,1429,159,1582]" captionTargetBox-2="[156,1429,187,1278]" captionTargetBox-3="[155,1432,1394,1934]" captionTargetBox-4="[162,1436,189,1505]" captionTargetId-0="figure-248@25.[151,1435,438,1449]" captionTargetId-1="figure-79@26.[151,1436,151,1588]" captionTargetId-2="figure-21@28.[151,1436,181,1282]" captionTargetId-3="figure-59@28.[151,1436,1390,1938]" captionTargetId-4="figure-16@29.[151,1436,181,1506]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionTargetPageId-2="28" captionTargetPageId-3="28" captionTargetPageId-4="29" captionText-0="FIGURE 28. Leptochiton spiniferus n. sp., Philippines, holotype (MNHN-IM-2013-67050), BL 2.2 mm: A. Whole specimen, dorsal view; B. Whole specimen, lateral view; C, D. Position of sutural needles." captionText-1="FIGURE 29. Leptochiton spiniferus n. sp., Philippines, holotype (MNHN-IM-2013-67050), BL 2.2 mm: A. Valve III, dorsal view; B. Valve VII, dorsal view; C. Valve VIII, dorsal view; D. Valve III, rostral view; E. Valve III, detail of tegmentum in central area; F. Valve VII, detail of tegmentum in central area; G. Valve VIII, lateral view." captionText-2="FIGURE 30. Leptochiton spiniferus n. sp., Philippines, holotype (MNHN-IM-2013-67050), BL 2.2 mm: A. Dorsal, marginal and ventral scales; B. Dorsal and marginal scales and marginal needles; C. Dorsal scales; D. Sutural needles and dorsal scales." captionText-3="FIGURE 31. Leptochiton spiniferus n. sp., Philippines holotype (MNHN-IM-2013-67050), BL 2.2 mm: A. Radula; B. Central and first lateral teeth of radula." captionText-4="FIGURE 32. Leptochiton spiniferus n. sp., Philippines (MNHN-IM-2013-67050), BL 2.2 mm: A. Sutural needle; B. Dorsal scale; C. Marginal needle; D. marginal scale; E. Ventral scale near margin; F. Ventral scale from middle hyponotum; G. Head of major lateral tooth of radula; H. Central and first lateral teeth of radula; I. Aesthete group; J. Position of sutural needles. Scale bars (A, B-I) 100 µm, (J) 1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4425242" figureDoi-1="http://doi.org/10.5281/zenodo.4425244" figureDoi-2="http://doi.org/10.5281/zenodo.4425246" figureDoi-3="http://doi.org/10.5281/zenodo.4425248" figureDoi-4="http://doi.org/10.5281/zenodo.4425252" httpUri-0="https://zenodo.org/record/4425242/files/figure.png" httpUri-1="https://zenodo.org/record/4425244/files/figure.png" httpUri-2="https://zenodo.org/record/4425246/files/figure.png" httpUri-3="https://zenodo.org/record/4425248/files/figure.png" httpUri-4="https://zenodo.org/record/4425252/files/figure.png" pageId="25" pageNumber="492">Figs. 28–32</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C3276553F01AFFA4FF5DFE85FEF0FE3C" pageId="25" pageNumber="492" type="materials_examined">
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<paragraph id="8B8236D8F01AFFA4FF5DFE85FDE8FEF4" blockId="25.[151,1436,259,429]" pageId="25" pageNumber="492">
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||
<emphasis id="B949EACAF01AFFA4FF5DFE85FE93FE8C" bold="true" box="[151,325,259,285]" pageId="25" pageNumber="492">Type material.</emphasis>
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<materialsCitation id="3B553C85F01AFFA4FE86FE85FDE8FEF4" ID-GBIF-Occurrence="3044017302" collectionCode="III, VII, VIII" pageId="25" pageNumber="492" specimenCount="1" typeStatus="holotype">
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<typeStatus id="5486887AF01AFFA4FE86FE85FE62FE8C" box="[332,436,259,285]" pageId="25" pageNumber="492" type="holotype">Holotype</typeStatus>
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(MNHN-IM-2013-67050), specimens damaged (head valve missing), now disarticulated consisting of valves
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<collectionCode id="ED2CAE1DF01AFFA4FEB7FEAEFE4DFED3" box="[381,411,296,322]" pageId="25" pageNumber="492">III</collectionCode>
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,
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<collectionCode id="ED2CAE1DF01AFFA4FE55FEAEFE1FFED3" box="[415,457,296,322]" pageId="25" pageNumber="492">VII</collectionCode>
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||
,
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||
<collectionCode id="ED2CAE1DF01AFFA4FE1FFEAEFDDEFED3" box="[469,520,296,322]" pageId="25" pageNumber="492">VIII</collectionCode>
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, part of perinotum and radula, mount of part of perinotum and radula mounted on SEM stub and vial with other valves;.
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</materialsCitation>
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</paragraph>
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<paragraph id="8B8236D8F01AFFA4FF0DFEE9FEF0FE3C" blockId="25.[151,1436,259,429]" pageId="25" pageNumber="492">
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||
<materialsCitation id="3B553C85F01AFFA4FF0DFEE9FEF5FE3C" ID-GBIF-Occurrence="3044017328" collectingDate="2004-03-07" collectorName="Balicasag Id." country="Philippines" elevation="85" latitude="9.61" location="Philippines" longLatPrecision="129" longitude="123.75667" pageId="25" pageNumber="492" specimenCount="1" typeStatus="holotype">
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||
<emphasis id="B949EACAF01AFFA4FF0DFEE9FEB8FE18" bold="true" box="[199,366,367,393]" pageId="25" pageNumber="492">
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||
<typeStatus id="5486887AF01AFFA4FF0DFEE9FED4FE18" box="[199,258,367,393]" pageId="25" pageNumber="492">Type</typeStatus>
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locality.
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||
</emphasis>
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||
<collectingCountry id="F32A7648F01AFFA4FEB6FEE9FE2BFE18" box="[380,509,367,393]" name="Philippines" pageId="25" pageNumber="492">Philippines</collectingCountry>
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||
,
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||
<collectorName id="26C8530EF01AFFA4FDDAFEE9FD7BFE18" box="[528,685,367,393]" pageId="25" pageNumber="492">Balicasag Id.</collectorName>
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||
,
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||
<geoCoordinate id="EE09501FF01AFFA4FD0BFEE9FCFDFE18" box="[705,811,367,393]" degrees="9" direction="north" minutes="36.6" orientation="latitude" pageId="25" pageNumber="492" precision="92" value="9.61">9°36.6’N</geoCoordinate>
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||
,
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||
<geoCoordinate id="EE09501FF01AFFA4FCF4FEE9FC14FE1B" box="[830,962,367,394]" degrees="123" direction="east" minutes="45.4" orientation="longitude" pageId="25" pageNumber="492" precision="92" value="123.75667">123°45.4’E</geoCoordinate>
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||
,
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||
<quantity id="4CC59B3DF01AFFA4FC1FFEE9FB96FE1B" box="[981,1088,367,394]" metricMagnitude="1" metricUnit="m" metricValue="8.5" metricValueMax="9.0" metricValueMin="8.0" pageId="25" pageNumber="492" unit="m" value="85.0" valueMax="90.0" valueMin="80.0">
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<elevation id="0010D1EBF01AFFA4FC1FFEE9FB96FE1B" box="[981,1088,367,394]" metricMagnitude="1" metricUnit="m" metricValue="8.5" metricValueMax="9.0" metricValueMin="8.0" pageId="25" pageNumber="492" unit="m" value="85.0" valueMax="90.0" valueMin="80.0">80–90 m</elevation>
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</quantity>
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||
(PANGLAO 2004, stn L45,
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||
<date id="FF831018F01AFFA4FF5DFE15FECCFE3C" box="[151,282,403,429]" pageId="25" pageNumber="492" value="2004-03-07">
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<collectingDate id="EFC7E9F0F01AFFA4FF5DFE15FECCFE3C" box="[151,282,403,429]" pageId="25" pageNumber="492" value="2004-03-07">03.07.2004</collectingDate>
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||
</date>
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||
)
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||
</materialsCitation>
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||
.
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||
</paragraph>
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||
</subSubSection>
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||
<caption id="DF426650F01AFFA4FF5DFA4BFC14F998" ID-DOI="http://doi.org/10.5281/zenodo.4425242" ID-Zenodo-Dep="4425242" httpUri="https://zenodo.org/record/4425242/files/figure.png" pageId="25" pageNumber="492" startId="25.[151,250,1485,1509]" targetBox="[163,1427,451,1419]" targetPageId="25">
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<paragraph id="8B8236D8F01AFFA4FF5DFA4BFC14F998" blockId="25.[151,1437,1485,1545]" pageId="25" pageNumber="492">
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||
<emphasis id="B949EACAF01AFFA4FF5DFA4BFEF6FA74" bold="true" box="[151,288,1485,1509]" pageId="25" pageNumber="492">FIGURE 28.</emphasis>
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<taxonomicName id="4C3D4D5BF01AFFA4FEEDFA4BFDDDFA74" authority="Sirenko, 2020" authorityName="Sirenko" authorityYear="2020" box="[295,523,1485,1509]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="25" pageNumber="492" phylum="Mollusca" rank="species" species="spiniferus" status="sp. nov.">
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<emphasis id="B949EACAF01AFFA4FEEDFA4BFDDDFA74" box="[295,523,1485,1509]" italics="true" pageId="25" pageNumber="492">Leptochiton spiniferus</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A27A57B1F01AFFA4FDD8FA4BFD9DFA75" box="[530,587,1485,1509]" pageId="25" pageNumber="492" rank="species">
|
||
<emphasis id="B949EACAF01AFFA4FDD8FA4BFD93FA74" bold="true" box="[530,581,1485,1509]" pageId="25" pageNumber="492">n. sp</emphasis>
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||
.
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||
</taxonomicNameLabel>
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||
, Philippines, holotype (MNHN-IM-2013-67050), BL 2.2 mm: A. Whole specimen, dorsal view; B. Whole specimen, lateral view; C, D. Position of sutural needles.
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</paragraph>
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||
</caption>
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||
<subSubSection id="C3276553F01AFFA4FF0DF9DDFB37F9E4" box="[199,1249,1627,1654]" pageId="25" pageNumber="492" type="etymology">
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||
<paragraph id="8B8236D8F01AFFA4FF0DF9DDFB37F9E4" blockId="25.[151,1436,1627,2014]" box="[199,1249,1627,1654]" pageId="25" pageNumber="492">
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||
<emphasis id="B949EACAF01AFFA4FF0DF9DDFE98F9E4" bold="true" box="[199,334,1627,1653]" pageId="25" pageNumber="492">Etymology.</emphasis>
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From the Latin spiniferus to bear prinkle, referring to the intersegmental needles.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C3276553F01AFFA4FF0DF9F9FD85F908" box="[199,595,1663,1689]" pageId="25" pageNumber="492" type="materials_examined">
|
||
<paragraph id="8B8236D8F01AFFA4FF0DF9F9FD85F908" blockId="25.[151,1436,1627,2014]" box="[199,595,1663,1689]" pageId="25" pageNumber="492">
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||
<emphasis id="B949EACAF01AFFA4FF0DF9F9FE67F908" bold="true" box="[199,433,1663,1689]" pageId="25" pageNumber="492">Material examined.</emphasis>
|
||
The
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||
<typeStatus id="5486887AF01AFFA4FE23F9F9FD99F908" box="[489,591,1663,1689]" pageId="25" pageNumber="492" type="holotype">holotype</typeStatus>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3276553F01AFFA4FF0DF925FD1CF92C" box="[199,714,1699,1726]" pageId="25" pageNumber="492" type="distribution">
|
||
<paragraph id="8B8236D8F01AFFA4FF0DF925FD1CF92C" blockId="25.[151,1436,1627,2014]" box="[199,714,1699,1726]" pageId="25" pageNumber="492">
|
||
<emphasis id="B949EACAF01AFFA4FF0DF925FEB7F92C" bold="true" box="[199,353,1699,1725]" pageId="25" pageNumber="492">Distribution.</emphasis>
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||
Known only from the
|
||
<typeStatus id="5486887AF01AFFA4FDAAF925FD10F92C" box="[608,710,1699,1725]" pageId="25" pageNumber="492" type="holotype">holotype</typeStatus>
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||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3276553F01AFFA4FF0DF941FC1AF804" pageId="25" pageNumber="492" type="diagnosis">
|
||
<paragraph id="8B8236D8F01AFFA4FF0DF941FC1AF804" blockId="25.[151,1436,1627,2014]" pageId="25" pageNumber="492">
|
||
<emphasis id="B949EACAF01AFFA4FF0DF941FE94F970" bold="true" box="[199,322,1735,1761]" pageId="25" pageNumber="492">Diagnosis.</emphasis>
|
||
Small, oval, shell rounded. Tail valve mucro anterior. Tegmentum sculptured with small, aciniform granules arranged in quincunx. Dorsal scales bent, obtusely pointed, with thickened base and 9–11 longitudinal partly double ribs. There are 2–3 long (up to
|
||
<quantity id="4CC59B3DF01AFFA4FD41F889FD32F8BB" box="[651,740,1807,1834]" metricMagnitude="-1" metricUnit="m" metricValue="3.1" pageId="25" pageNumber="492" unit="mm" value="310.0">310 µm</quantity>
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||
), bent intersegmental needles arranged under posterior margin of valves in middle between apex and side margin of valve. Marginal elements of two
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||
<typeStatus id="5486887AF01AFFA4FBB9F8B2FB64F8DF" box="[1139,1202,1844,1870]" pageId="25" pageNumber="492">types</typeStatus>
|
||
: long ribbed needles and long ribbed sharply pointed scales. Central tooth of radula small, somewhat pinched in the middle and pointed in base; major lateral tooth with a strong cusp bearing one sharp denticle.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3276553F01AFFA6FF0DF819FD50FD60" lastPageId="27" lastPageNumber="494" pageId="25" pageNumber="492" type="description">
|
||
<paragraph id="8B8236D8F01AFFA4FF0DF819FC58F84C" blockId="25.[151,1436,1627,2014]" pageId="25" pageNumber="492">
|
||
<emphasis id="B949EACAF01AFFA4FF0DF819FE8FF828" bold="true" box="[199,345,1951,1977]" pageId="25" pageNumber="492">Description.</emphasis>
|
||
Small (probably adult), BL about 2.0 mm, oval, moderately elevated (elevation ratio in valve III 0.40). Valves rounded, not beaked. Color of tegmentum dirty white.
|
||
</paragraph>
|
||
<caption id="DF426650F019FFA7FF5DF9C9FBD6F93E" ID-DOI="http://doi.org/10.5281/zenodo.4425244" ID-Zenodo-Dep="4425244" httpUri="https://zenodo.org/record/4425244/files/figure.png" pageId="26" pageNumber="493" startId="26.[151,250,1615,1639]" targetBox="[157,1429,159,1582]" targetPageId="26">
|
||
<paragraph id="8B8236D8F019FFA7FF5DF9C9FBD6F93E" blockId="26.[151,1437,1615,1712]" pageId="26" pageNumber="493">
|
||
<emphasis id="B949EACAF019FFA7FF5DF9C9FEF7F9F6" bold="true" box="[151,289,1615,1639]" pageId="26" pageNumber="493">FIGURE 29.</emphasis>
|
||
<taxonomicName id="4C3D4D5BF019FFA7FEE2F9C9FDDBF9F6" authority="Sirenko, 2020" authorityName="Sirenko" authorityYear="2020" box="[296,525,1615,1639]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="26" pageNumber="493" phylum="Mollusca" rank="species" species="spiniferus" status="sp. nov.">
|
||
<emphasis id="B949EACAF019FFA7FEE2F9C9FDDBF9F6" box="[296,525,1615,1639]" italics="true" pageId="26" pageNumber="493">Leptochiton spiniferus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B949EACAF019FFA7FDDFF9C9FD99F9F6" bold="true" box="[533,591,1615,1639]" pageId="26" pageNumber="493">
|
||
<taxonomicNameLabel id="A27A57B1F019FFA7FDDFF9C9FD99F9F6" box="[533,591,1615,1639]" pageId="26" pageNumber="493" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, Philippines, holotype (MNHN-IM-2013-67050), BL 2.2 mm: A. Valve III, dorsal view; B. Valve VII, dorsal view; C. Valve VIII, dorsal view; D. Valve III, rostral view; E. Valve III, detail of tegmentum in central area; F. Valve VII, detail of tegmentum in central area; G. Valve VIII, lateral view.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFF11FDFCFE8C" blockId="27.[151,1437,151,1869]" pageId="27" pageNumber="494">Intermediate valves broadly rectangular, short and wide, anterior margin weakly concave in pleural area, posterior margin nearly straight, not beaked, lateral margins rounded. Lateral areas weakly raised. Tail valve high, transversely elliptical with anterior mucro, anterior margin weakly concave, antemucronal area short, convex, postmucronal area deeply concave.</paragraph>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFEA1FE0BFEF4" blockId="27.[151,1437,151,1869]" pageId="27" pageNumber="494">Tegmentum sculptured with small, aciniform granules arranged in quincunx. Each granule has one megalaesthete and 6–8 micraesthetes.</paragraph>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFEE9FB07FE18" blockId="27.[151,1437,151,1869]" box="[199,1233,367,393]" pageId="27" pageNumber="494">Articulamentum well developed, white; apophyses small, triangular and widely separated.</paragraph>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFE15FF1BFD14" blockId="27.[151,1437,151,1869]" pageId="27" pageNumber="494">
|
||
Girdle very narrow, covered with wide, bent, obtusely pointed dorsal scales (48–50 x
|
||
<quantity id="4CC59B3DF018FFA6FB59FE14FB36FE3C" box="[1171,1248,402,429]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="27" pageNumber="494" unit="mm" value="50.0">50 µm</quantity>
|
||
), with thickened base and 9–11 longitudinal partly double ribs. Intersegmental areas deeply penetrated between valves with 2–3 long (310 x 17 μm), smooth bent needles. Needles arranged under posterior margin of valves in middle between apex and side margin of valve. Marginal elements of two kind: long ribbed needles (140 x
|
||
<quantity id="4CC59B3DF018FFA6FB59FE79FB0BFD88" box="[1171,1245,511,537]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="27" pageNumber="494" unit="mm" value="10.0">10 µm</quantity>
|
||
) and long ribbed sharply pointed scales (80 x
|
||
<quantity id="4CC59B3DF018FFA6FE20FDA4FDEDFDAC" box="[490,571,546,573]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="27" pageNumber="494" unit="mm" value="15.0">15 µm</quantity>
|
||
). Two rows of large ventral scales near margin have 5–7 short, weak ribs on the distal half at scales’ ventral side, remaining ventral scales shorter, smooth and obtusely pointed (50 x 16 μm).
|
||
</paragraph>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFD09FA8CFD5C" blockId="27.[151,1437,151,1869]" pageId="27" pageNumber="494">
|
||
Radula
|
||
<quantity id="4CC59B3DF018FFA6FEEEFD09FEA9FD38" box="[292,383,655,681]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="27" pageNumber="494" unit="mm" value="0.7">0.7 mm</quantity>
|
||
long with 38 transverse rows of mature teeth. Central tooth of radula small, somewhat pinched in the middle and pointed at base; major lateral tooth with strong cusp bearing one sharp denticle.
|
||
</paragraph>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFD51FD50FD60" blockId="27.[151,1437,151,1869]" box="[199,646,727,753]" pageId="27" pageNumber="494">Gills not counted as specimen was dry.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3276553F018FFA6FF0DFD7DFEA4F8DD" pageId="27" pageNumber="494" type="discussion">
|
||
<paragraph id="8B8236D8F018FFA6FF0DFD7DFE19FC7C" blockId="27.[151,1437,151,1869]" pageId="27" pageNumber="494">
|
||
<emphasis id="B949EACAF018FFA6FF0DFD7DFEEBFC84" bold="true" box="[199,317,763,789]" pageId="27" pageNumber="494">Remarks.</emphasis>
|
||
The new species has an unique feature: The intersegmental areas are deeply penetrated between valves with 2–3 long, smooth bent, calcareous needles. The needles are arranged beneath the posterior margin of the valves in the middle between apex and side margin of valve. This feature combined with the aciniform granules well distinguishes
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE6AFCE1FD76FC10" authority="Sirenko, 2020" authorityName="Sirenko" authorityYear="2020" box="[416,672,871,897]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="spiniferus" status="sp. nov.">
|
||
<emphasis id="B949EACAF018FFA6FE6AFCE1FD76FC10" box="[416,672,871,897]" italics="true" pageId="27" pageNumber="494">Leptochiton spiniferus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27A57B1F018FFA6FD6DFCE1FD35FC10" box="[679,739,871,897]" pageId="27" pageNumber="494" rank="species">n. sp.</taxonomicNameLabel>
|
||
from all other known species of genus
|
||
<taxonomicName id="4C3D4D5BF018FFA6FB6BFCE1FAFCFC10" authorityName="Gray" authorityYear="1847" box="[1185,1322,871,897]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B949EACAF018FFA6FB6BFCE1FAFCFC10" box="[1185,1322,871,897]" italics="true" pageId="27" pageNumber="494">Leptochiton</emphasis>
|
||
</taxonomicName>
|
||
including those of the subgenus
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE53FC0DFD36FC34" authority="Nierstrasz, 1905" authorityName="Nierstrasz" authorityYear="1905" box="[409,736,906,933]" class="Polyplacophora" family="Leptochitonidae" genus="Pilsbryella" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B949EACAF018FFA6FE53FC0DFDC1FC34" box="[409,535,907,933]" italics="true" pageId="27" pageNumber="494">Pilsbryella</emphasis>
|
||
<bibRefCitation id="EFAC4B29F018FFA6FDD5FC0DFD36FC34" author="Nierstrasz, H. F." box="[543,736,906,933]" pageId="27" pageNumber="494" pagination="1 - 112" refId="ref11484" refString="Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls. 1 - 8." type="journal article" year="1905">Nierstrasz, 1905</bibRefCitation>
|
||
</taxonomicName>
|
||
. The only species of the latter subgenus
|
||
<taxonomicName id="4C3D4D5BF018FFA6FB7CFC0DFAE9FC34" authorityName="Gray" authorityYear="1847" box="[1206,1343,907,933]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B949EACAF018FFA6FB7CFC0DFAE9FC34" box="[1206,1343,907,933]" italics="true" pageId="27" pageNumber="494">Leptochiton</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicName id="4C3D4D5BF018FFA6FA8DFC0DFE67FC58" authority="(Nierstrasz, 1905)" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P">
|
||
(
|
||
<emphasis id="B949EACAF018FFA6FA9BFC0DFAB4FC35" box="[1361,1378,907,932]" italics="true" pageId="27" pageNumber="494">P</emphasis>
|
||
.)
|
||
<emphasis id="B949EACAF018FFA6FAB1FC0DFF0DFC59" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAC4B29F018FFA6FF20FC29FE7FFC58" author="Nierstrasz, H. F." box="[234,425,942,969]" pageId="27" pageNumber="494" pagination="1 - 112" refId="ref11484" refString="Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls. 1 - 8." type="journal article" year="1905">Nierstrasz, 1905</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
has silky hairs but they do not extend as far to the apex as the intersegmental calcareous needles of the new species.
|
||
</paragraph>
|
||
<paragraph id="8B8236D8F018FFA6FF0DFC71FEA4F8DD" blockId="27.[151,1437,151,1869]" pageId="27" pageNumber="494">
|
||
I am sure that
|
||
<taxonomicName id="4C3D4D5BF018FFA6FEA1FC71FE2DFB80" authority="Sirenko, 2020" authorityName="Sirenko" authorityYear="2020" box="[363,507,1015,1041]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="spiniferus" status="sp. nov.">
|
||
<emphasis id="B949EACAF018FFA6FEA1FC71FE2DFB80" box="[363,507,1015,1041]" italics="true" pageId="27" pageNumber="494">L. spiniferus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27A57B1F018FFA6FDC8FC71FD96FB80" box="[514,576,1015,1041]" pageId="27" pageNumber="494" rank="species">n. sp.</taxonomicNameLabel>
|
||
differs from
|
||
<taxonomicName id="4C3D4D5BF018FFA6FD1DFC71FC57FB81" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[727,897,1015,1041]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FD1DFC71FD31FB81" box="[727,743,1015,1040]" italics="true" pageId="27" pageNumber="494">L</emphasis>
|
||
. (
|
||
<emphasis id="B949EACAF018FFA6FD35FC71FCC3FB81" box="[767,789,1015,1040]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FCEFFC71FC57FB81" box="[805,897,1015,1040]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
. If we take both descriptions (
|
||
<bibRefCitation id="EFAC4B29F018FFA6FB14FC71FA41FB80" author="Nierstrasz, H. F." box="[1246,1431,1014,1041]" pageId="27" pageNumber="494" pagination="1 - 112" refId="ref11484" refString="Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls. 1 - 8." type="journal article" year="1905">Nierstrasz 1905</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFAC4B29F018FFA6FF5DFB9DFE7EFBA4" author="Kaas, P & Van Belle, R. A." box="[151,424,1050,1077]" pageId="27" pageNumber="494" refId="ref11172" refString="Kaas, P & Van Belle, R. A. (1985) Monograph of living chitons. 1. Order Neoloricata: Lepidopleurina. E. J. Brill / W., Backhuys, Leiden, 240 pp." type="book" year="1985">Kaas & Van Belle 1985</bibRefCitation>
|
||
) as a basis, the differences between the two species are more than sufficient. The sculpture of the tegmentum, the scales and the spicules of the perinotum differ considerably from each other. Moreover, the head of major lateral teeth of the radula, the calcareous needles and chitinous hairs between the valves differentiate both taxa from each other. But I think that type lot of
|
||
<taxonomicName id="4C3D4D5BF018FFA6FC44FB01FBE1FB31" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[910,1079,1159,1185]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FC44FB01FC48FB31" box="[910,926,1159,1184]" italics="true" pageId="27" pageNumber="494">L</emphasis>
|
||
. (
|
||
<emphasis id="B949EACAF018FFA6FC7CFB01FC1DFB31" box="[950,971,1159,1184]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FC11FB01FBE1FB31" box="[987,1079,1159,1184]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
contains different species: The
|
||
<typeStatus id="5486887AF018FFA6FF5DFB2DFED6FB54" box="[151,256,1195,1221]" pageId="27" pageNumber="494" type="lectotype">lectotype</typeStatus>
|
||
(st. 88) represents
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE13FB2DFD51FB55" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[473,647,1195,1221]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FE13FB2DFE26FB55" box="[473,496,1195,1220]" italics="true" pageId="27" pageNumber="494">L.</emphasis>
|
||
(
|
||
<emphasis id="B949EACAF018FFA6FDCAFB2DFDC7FB55" box="[512,529,1195,1220]" italics="true" pageId="27" pageNumber="494">P</emphasis>
|
||
.)
|
||
<emphasis id="B949EACAF018FFA6FDE2FB2DFD51FB55" box="[552,647,1195,1220]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B949EACAF018FFA6FD4DFB2DFD5AFB55" box="[647,652,1195,1220]" italics="true" pageId="27" pageNumber="494">,</emphasis>
|
||
but two
|
||
<typeStatus id="5486887AF018FFA6FD25FB2DFC43FB54" box="[751,917,1195,1221]" pageId="27" pageNumber="494" type="paralectotype">paralectotypes</typeStatus>
|
||
(st. 12) are juveniles of
|
||
<emphasis id="B949EACAF018FFA6FB62FB2DFA86FB54" box="[1192,1360,1195,1221]" italics="true" pageId="27" pageNumber="494">
|
||
<taxonomicName id="4C3D4D5BF018FFA6FB62FB2DFA9BFB54" baseAuthorityName="Sirenko" baseAuthorityYear="1992" box="[1192,1357,1195,1221]" class="Polyplacophora" family="Nierstraszellidae" genus="Nierstraszella" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">Nierstraszella</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
I have studied these
|
||
<typeStatus id="5486887AF018FFA6FEF8FB49FE0EFB78" box="[306,472,1231,1257]" pageId="27" pageNumber="494" type="paralectotype">paralectotypes</typeStatus>
|
||
of
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE36FB49FD73FB79" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[508,677,1231,1257]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FE36FB49FDDAFB79" box="[508,524,1231,1256]" italics="true" pageId="27" pageNumber="494">L</emphasis>
|
||
. (
|
||
<emphasis id="B949EACAF018FFA6FDEEFB49FDEFFB79" box="[548,569,1231,1256]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FD83FB49FD73FB79" box="[585,677,1231,1256]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
. The
|
||
<typeStatus id="5486887AF018FFA6FD2FFB49FC98FB78" box="[741,846,1231,1257]" pageId="27" pageNumber="494" type="lectotype">lectotype</typeStatus>
|
||
and both
|
||
<typeStatus id="5486887AF018FFA6FC74FB49FBB2FB78" box="[958,1124,1231,1257]" pageId="27" pageNumber="494" type="paralectotype">paralectotypes</typeStatus>
|
||
formed the base for the description of the species
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE6EFB75FD9AFA9D" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[420,588,1267,1293]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FE6EFB75FD9AFA9D" box="[420,588,1267,1293]" italics="true" pageId="27" pageNumber="494">L. (P.) setigera</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFAC4B29F018FFA6FDBCFB75FCEBFA9C" author="Nierstrasz, H. F." box="[630,829,1266,1293]" pageId="27" pageNumber="494" pagination="1 - 112" refId="ref11484" refString="Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls. 1 - 8." type="journal article" year="1905">Nierstrasz (1905)</bibRefCitation>
|
||
and by
|
||
<bibRefCitation id="EFAC4B29F018FFA6FC5DFB75FB6FFA9C" author="Kaas, P & Van Belle, R. A." box="[919,1209,1266,1293]" pageId="27" pageNumber="494" refId="ref11172" refString="Kaas, P & Van Belle, R. A. (1985) Monograph of living chitons. 1. Order Neoloricata: Lepidopleurina. E. J. Brill / W., Backhuys, Leiden, 240 pp." type="book" year="1985">Kaas & Van Belle (1985)</bibRefCitation>
|
||
. However, the
|
||
<typeStatus id="5486887AF018FFA6FAA8FB75FEDDFAA0" pageId="27" pageNumber="494" type="paralectotype">paralectotypes</typeStatus>
|
||
belong to the genus
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE35FA91FD76FAA0" baseAuthorityName="Sirenko" baseAuthorityYear="1992" box="[511,672,1303,1329]" class="Polyplacophora" family="Nierstraszellidae" genus="Nierstraszella" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B949EACAF018FFA6FE35FA91FD76FAA0" box="[511,672,1303,1329]" italics="true" pageId="27" pageNumber="494">Nierstraszella</emphasis>
|
||
</taxonomicName>
|
||
, most likely to
|
||
<taxonomicName id="4C3D4D5BF018FFA6FC9DFA91FBC4FAA0" box="[855,1042,1303,1329]" class="Polyplacophora" family="Nierstraszellidae" genus="Nierstraszella" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="andamanicus">
|
||
<emphasis id="B949EACAF018FFA6FC9DFA91FBC4FAA0" box="[855,1042,1303,1329]" italics="true" pageId="27" pageNumber="494">N. andamanicus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFAC4B29F018FFA6FBE8FA91FAEFFAA0" author="Kaas, P & Van Belle, R. A." box="[1058,1337,1302,1329]" pageId="27" pageNumber="494" refId="ref11172" refString="Kaas, P & Van Belle, R. A. (1985) Monograph of living chitons. 1. Order Neoloricata: Lepidopleurina. E. J. Brill / W., Backhuys, Leiden, 240 pp." type="book" year="1985">Kaas & Van Belle 1985</bibRefCitation>
|
||
, figs 74, 1–4, 6–9). This identification of the
|
||
<typeStatus id="5486887AF018FFA6FDFBFABDFD01FAC4" box="[561,727,1339,1365]" pageId="27" pageNumber="494" type="paralectotype">paralectotypes</typeStatus>
|
||
is based on the 1) arrangement of false tegmentum granules in quincunciale pattern, 2) subcarinated valves, 3) elongated dorsal spicules-scales, 4) a tridentate cusp of the major lateral tooth, which is typical for juvenile individuals of
|
||
<taxonomicName id="4C3D4D5BF018FFA6FCEAFA05FBA3FA0C" authority="(Sirenko 1992)" baseAuthorityName="Sirenko" baseAuthorityYear="1992" box="[800,1141,1411,1437]" class="Polyplacophora" family="Nierstraszellidae" genus="Nierstraszella" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B949EACAF018FFA6FCEAFA05FC17FA0C" box="[800,961,1411,1437]" italics="true" pageId="27" pageNumber="494">Nierstraszella</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAC4B29F018FFA6FC1AFA05FBB8FA0C" author="Sirenko, B. I." box="[976,1134,1411,1437]" pageId="27" pageNumber="494" pagination="81 - 90" refId="ref11932" refString="Sirenko, B. I. (1992) Nierstraszellidae fam. nov. - a new family of chitons (Polyplacophora, Lepidopleurida) from the bathyal Western Pacific. Ruthenica, 2, 81 - 90." type="journal article" year="1992">Sirenko 1992</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and 5) the
|
||
<typeStatus id="5486887AF018FFA6FB3DFA05FA4AFA0C" box="[1271,1436,1411,1437]" pageId="27" pageNumber="494" type="paralectotype">paralectotypes</typeStatus>
|
||
were found on a piece of sunken wood which is very typical for
|
||
<emphasis id="B949EACAF018FFA6FC5AFA21FBEFFA50" box="[912,1081,1447,1473]" italics="true" pageId="27" pageNumber="494">
|
||
<taxonomicName id="4C3D4D5BF018FFA6FC5AFA21FBE3FA50" baseAuthorityName="Sirenko" baseAuthorityYear="1992" box="[912,1077,1447,1473]" class="Polyplacophora" family="Nierstraszellidae" genus="Nierstraszella" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="genus">Nierstraszella</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
The new species
|
||
<taxonomicName id="4C3D4D5BF018FFA6FAC1FA21FA4AFA50" authorityName="Sirenko" authorityYear="2020" box="[1291,1436,1447,1473]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="spiniferus">
|
||
<emphasis id="B949EACAF018FFA6FAC1FA21FA4AFA50" box="[1291,1436,1447,1473]" italics="true" pageId="27" pageNumber="494">L. spiniferus</emphasis>
|
||
</taxonomicName>
|
||
can be compared with those parts of the descriptions and figures given by
|
||
<bibRefCitation id="EFAC4B29F018FFA6FC3AFA4DFB73FA74" author="Nierstrasz, H. F." box="[1008,1189,1482,1509]" pageId="27" pageNumber="494" pagination="1 - 112" refId="ref11484" refString="Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls. 1 - 8." type="journal article" year="1905">Nierstrasz 1905</bibRefCitation>
|
||
(p. 11–13, Taf. I, fig. 7, Taf. III, figs 60–63) and
|
||
<bibRefCitation id="EFAC4B29F018FFA6FE1AFA69FD09F998" author="Kaas, P & Van Belle, R. A." box="[464,735,1518,1545]" pageId="27" pageNumber="494" refId="ref11172" refString="Kaas, P & Van Belle, R. A. (1985) Monograph of living chitons. 1. Order Neoloricata: Lepidopleurina. E. J. Brill / W., Backhuys, Leiden, 240 pp." type="book" year="1985">Kaas & Van Belle 1985</bibRefCitation>
|
||
(p. 161–163, fig. 74.
|
||
<emphasis id="B949EACAF018FFA6FC18FA69FC36F998" box="[978,992,1519,1545]" italics="true" pageId="27" pageNumber="494">5</emphasis>
|
||
) which refer to the
|
||
<typeStatus id="5486887AF018FFA6FB0FFA69FAF8F998" box="[1221,1326,1519,1545]" pageId="27" pageNumber="494" type="lectotype">lectotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C3D4D5BF018FFA6FA9CFA69FF25F9BD" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FA9CFA69FABBF999" box="[1366,1389,1519,1544]" italics="true" pageId="27" pageNumber="494">L.</emphasis>
|
||
(
|
||
<emphasis id="B949EACAF018FFA6FAB4FA69FA45F999" box="[1406,1427,1519,1544]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FF5DF995FF25F9BD" box="[151,243,1555,1580]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
. The new species differs from
|
||
<taxonomicName id="4C3D4D5BF018FFA6FD9CF995FCD6F9BD" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[598,768,1555,1581]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FD9CF995FDBBF9BD" box="[598,621,1555,1580]" italics="true" pageId="27" pageNumber="494">L.</emphasis>
|
||
(
|
||
<emphasis id="B949EACAF018FFA6FDB4F995FD45F9BD" box="[638,659,1555,1580]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FD6EF995FCD6F9BD" box="[676,768,1555,1580]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
by having aciniform granules of the tegmentum (vs round granules in
|
||
<taxonomicName id="4C3D4D5BF018FFA6FED4F9B1FE1FF9C1" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[286,457,1591,1617]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FED4F9B1FEE0F9C1" box="[286,310,1591,1616]" italics="true" pageId="27" pageNumber="494">L.</emphasis>
|
||
(
|
||
<emphasis id="B949EACAF018FFA6FE8DF9B1FE8AF9C1" box="[327,348,1591,1616]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FEA7F9B1FE1FF9C1" box="[365,457,1591,1616]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
) and calcareous intersegmental needles (vs. chitinous hairs in
|
||
<taxonomicName id="4C3D4D5BF018FFA6FB56F9B1FA91F9C1" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[1180,1351,1591,1617]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FB56F9B1FB62F9C1" box="[1180,1204,1591,1616]" italics="true" pageId="27" pageNumber="494">L.</emphasis>
|
||
(
|
||
<emphasis id="B949EACAF018FFA6FB0FF9B1FB0DF9C1" box="[1221,1243,1591,1616]" italics="true" pageId="27" pageNumber="494">P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FB21F9B1FA91F9C1" box="[1259,1351,1591,1616]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<bibRefCitation id="EFAC4B29F018FFA6FAABF9B1FEFAF9E4" author="Nierstrasz, H. F." pageId="27" pageNumber="494" pagination="1 - 112" refId="ref11484" refString="Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls. 1 - 8." type="journal article" year="1905">Nierstrasz (1905)</bibRefCitation>
|
||
clearly distinguished spines and hairs (“Gürtel stark mit Stacheln besetzt und überdies mit Haaren versehen...” page 13, translated: “girdle strongly covered by spines and also by hairs…”), he characterized the hairs as being chitinous (“Diese Haare sind chitinös und von brauner Farbe.” page 11; translated: “These hairs are chitinous and of brown color.”). Therefore, these hairs cannot be considered to represent hard spines. By the way, two species of chitons:
|
||
<taxonomicName id="4C3D4D5BF018FFA6FE6EF96DFC30F894" authority="Sigwart & Sirenko, 2012" authorityName="Sigwart & Sirenko" authorityYear="2012" box="[420,998,1771,1797]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="longisetosus">
|
||
<emphasis id="B949EACAF018FFA6FE6EF96DFD14F894" box="[420,706,1771,1797]" italics="true" pageId="27" pageNumber="494">Leptochiton longisetosus</emphasis>
|
||
<bibRefCitation id="EFAC4B29F018FFA6FD02F96DFC30F894" author="Sigwart, J. D. & Sirenko, B. I." box="[712,998,1771,1797]" pageId="27" pageNumber="494" pagination="1 - 38" refId="ref11832" refString="Sigwart, J. D. & Sirenko, B. I. (2012) Deep-sea chitons from sunken wood in the West Pacific (Mollusca: Polyplacophora: Lepidopleurida): taxonomy, distribution, and seven new species. Zootaxa, 3195 (1), 1 - 38. https: // doi. org / 10.11646 / zootaxa. 3195.1.1" type="journal article" year="2012">Sigwart & Sirenko, 2012</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C3D4D5BF018FFA6FBD7F96DFA4AF894" authority="Sigwart & Sirenko, 2012" authorityName="Sigwart & Sirenko" authorityYear="2012" box="[1053,1436,1771,1797]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="dykei">
|
||
<emphasis id="B949EACAF018FFA6FBD7F96DFBA1F894" box="[1053,1143,1771,1797]" italics="true" pageId="27" pageNumber="494">L. dykei</emphasis>
|
||
<bibRefCitation id="EFAC4B29F018FFA6FBB5F96DFA4AF894" author="Sigwart, J. D. & Sirenko, B. I." box="[1151,1436,1771,1797]" pageId="27" pageNumber="494" pagination="1 - 38" refId="ref11832" refString="Sigwart, J. D. & Sirenko, B. I. (2012) Deep-sea chitons from sunken wood in the West Pacific (Mollusca: Polyplacophora: Lepidopleurida): taxonomy, distribution, and seven new species. Zootaxa, 3195 (1), 1 - 38. https: // doi. org / 10.11646 / zootaxa. 3195.1.1" type="journal article" year="2012">Sigwart & Sirenko, 2012</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFAC4B29F018FFA6FF55F889FE60F8B8" author="Sigwart, J. D. & Sirenko, B. I." box="[159,438,1807,1833]" pageId="27" pageNumber="494" pagination="1 - 38" refId="ref11832" refString="Sigwart, J. D. & Sirenko, B. I. (2012) Deep-sea chitons from sunken wood in the West Pacific (Mollusca: Polyplacophora: Lepidopleurida): taxonomy, distribution, and seven new species. Zootaxa, 3195 (1), 1 - 38. https: // doi. org / 10.11646 / zootaxa. 3195.1.1" type="journal article" year="2012">Sigwart & Sirenko 2012</bibRefCitation>
|
||
) have long silky intersegmental bristles very similar to the hairs described by Nierstrasz for
|
||
<taxonomicName id="4C3D4D5BF018FFA6FF0AF8B5FEB8F8DD" baseAuthorityName="Nierstrasz" baseAuthorityYear="1905" box="[192,366,1843,1869]" class="Polyplacophora" family="Leptochitonidae" genus="Leptochiton" kingdom="Animalia" order="Lepidopleurida" pageId="27" pageNumber="494" phylum="Mollusca" rank="species" species="setigera" subGenus="P.">
|
||
<emphasis id="B949EACAF018FFA6FF0AF8B5FF06F8DD" box="[192,208,1843,1868]" italics="true" pageId="27" pageNumber="494">L</emphasis>
|
||
.
|
||
<emphasis id="B949EACAF018FFA6FF14F8B5FF2BF8DC" box="[222,253,1843,1869]" italics="true" pageId="27" pageNumber="494">(P.</emphasis>
|
||
)
|
||
<emphasis id="B949EACAF018FFA6FEC4F8B5FEB8F8DD" box="[270,366,1843,1868]" italics="true" pageId="27" pageNumber="494">setigera</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B949EACAF018FFA6FEA4F8B5FEA4F8DD" box="[366,370,1843,1868]" italics="true" pageId="27" pageNumber="494">.</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |