195 lines
26 KiB
XML
195 lines
26 KiB
XML
<document id="84397A50D131D8619D398DF6ACD31B57" ID-DOI="10.11646/zootaxa.3995.1.21" ID-GBIF-Dataset="810c1097-eff4-4262-acd6-1f76d05f1f83" ID-ISSN="1175-5326" ID-Zenodo-Dep="236857" ID-ZooBank="1D5CD052-9754-493C-836D-6A69756747D9" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461278201543" checkinUser="plazi" docAuthor="Oliver, P. Graham" docDate="2015" docId="3956C47FFFE0E327FF44FCA7FC57FECB" docLanguage="en" docName="zt03995p263.pdf" docOrigin="Zootaxa 3995 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Thyasira anassa Oliver, 2015, sp. nov." docType="treatment" docVersion="8" lastPageNumber="255" masterDocId="C56FBC07FFE3E323FFD3FFE5FF80FFD7" masterDocTitle="Deep-water Thyasiridae (Mollusca: Bivalvia) from the Oman Margin, Arabian Sea, new species and examples of endemism and cosmopolitanism" masterLastPageNumber="263" masterPageNumber="252" pageNumber="255" updateTime="1698613566852" updateUser="plazi">
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<mods:mods id="85D42EE9381FEB50411FAB2740812818" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="20F678E8C193180C8D868E224249F4BC">
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<mods:title id="5EDEB549FEEED34F77BDA1C66E3856AD">Deep-water Thyasiridae (Mollusca: Bivalvia) from the Oman Margin, Arabian Sea, new species and examples of endemism and cosmopolitanism</mods:title>
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<mods:name id="DEACE9C20FD8FED935809172F299EE93" type="personal">
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<mods:roleTerm id="47C0915567550B82932C89B365A7327C">Author</mods:roleTerm>
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<mods:namePart id="59DC4FA14D1DF0CE7A258C13E3E67D89">Oliver, P. Graham</mods:namePart>
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<mods:typeOfResource id="090CCA192A74367EA5485F0D99EADC03">text</mods:typeOfResource>
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<mods:title id="88708DB99717363ADD264F67C089BF75">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="87B547024CADCC00CF3114DD10BFD77A">
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<mods:date id="34626BFEB310E8777550A2EB21ED4B63">2015</mods:date>
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<mods:detail id="1E126791DA4248EA7B710FFF6BBD2E92" type="volume">
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<mods:number id="85B5BA0E6E97D69FB40F4581F4FD4CCB">3995</mods:number>
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<mods:detail id="2F0B61974CC6540311397E089EF60E75" type="issue">
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<mods:number id="0C58AAD2EEA741640DBEEFCC099B08EF">1</mods:number>
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<mods:classification id="AF8D218A575E22AE347DCADA818BD3CA">journal article</mods:classification>
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<mods:identifier id="DEF2CA541BDABB5FCFD704A42AE9AD36" type="DOI">10.11646/zootaxa.3995.1.21</mods:identifier>
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<mods:identifier id="E783E96A0C7F81168CD85E5E9FDCE6FF" type="GBIF-Dataset">810c1097-eff4-4262-acd6-1f76d05f1f83</mods:identifier>
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<mods:identifier id="5CF803155A7DDCA47DC34CF82A062A91" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="11CB2A8E776635D341FE5315E31D1FF0" type="Zenodo-Dep">236857</mods:identifier>
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<mods:identifier id="9BEAA6085C898FBE39B06BA50EB1016B" type="ZooBank">1D5CD052-9754-493C-836D-6A69756747D9</mods:identifier>
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</mods:mods>
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<treatment id="3956C47FFFE0E327FF44FCA7FC57FECB" ID-DOI="http://doi.org/10.5281/zenodo.6098575" ID-GBIF-Taxon="119640210" ID-Zenodo-Dep="6098575" LSID="urn:lsid:plazi:treatment:3956C47FFFE0E327FF44FCA7FC57FECB" httpUri="http://treatment.plazi.org/id/3956C47FFFE0E327FF44FCA7FC57FECB" lastPageId="4" lastPageNumber="255" pageId="3" pageNumber="255">
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<subSubSection id="F9E526E2FFE0E320FF44FCA7FE91FCA9" pageId="3" pageNumber="255" type="nomenclature">
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<paragraph id="B1407569FFE0E320FF44FCA7FE42FC8B" blockId="3.[151,450,834,894]" box="[151,450,834,860]" pageId="3" pageNumber="255">
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<heading id="EA08C205FFE0E320FF44FCA7FE42FC8B" bold="true" box="[151,450,834,860]" fontSize="11" level="1" pageId="3" pageNumber="255" reason="1">
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<emphasis id="838BA97BFFE0E320FF44FCA7FE42FC8B" bold="true" box="[151,450,834,860]" pageId="3" pageNumber="255">
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<taxonomicName id="76FF0EEAFFE0E320FF44FCA7FEDDFC8B" box="[151,349,834,860]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="species" species="anassa" status="sp. nov.">
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<emphasis id="838BA97BFFE0E320FF44FCA7FEDDFC8B" bold="true" box="[151,349,834,860]" italics="true" pageId="3" pageNumber="255">Thyasira anassa</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="98B81400FFE0E320FEB7FCA7FE42FC8B" box="[356,450,834,860]" pageId="3" pageNumber="255" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="B1407569FFE0E320FF44FC80FE91FCA9" blockId="3.[151,450,834,894]" box="[151,273,869,894]" pageId="3" pageNumber="255">
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<figureCitation id="29C469ECFFE0E320FF44FC80FE91FCA9" box="[151,273,869,894]" captionStart="FIGURE 2. A – C" captionStartId="4.[151,250,1822,1844]" captionTargetBox="[151,1436,337,1799]" captionTargetId="figure@4.[151,1436,337,1801]" captionTargetPageId="4" captionText="FIGURE 2. A – C, Thyasira anassa sp. nov. Holotype: A – B, external and internal of the left valve; C, gross anatomy viewed from the right side and right mantle removed; D – E, Channelaxinus investigatoris Smith, off Sri Lanka, National Museum of Wales, NMWZ 1955.158.11399; F – H, Thyasira acuticarinata Smith, reproduced from Annandale & Stewart, 1909. aa, anterior adductor muscle; au, auricle; aus auricular sinus; f, foot; id, inner demibranch; lbp, lateral body pouch; lun, lunule; me, mantle edge; od, outer demibranch; pa, posterior adductor muscle; ps, posterior sulcus; psn, posterior sinus; sms, submarginal sulcus; smsn, submarginal sinus." httpUri="https://zenodo.org/record/236859/files/figure.png" pageId="3" pageNumber="255">Figs 2A–C</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE0E320FF44FC48FB56FBE5" pageId="3" pageNumber="255" type="materials_examined">
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<paragraph id="B1407569FFE0E320FF44FC48FB56FBE5" blockId="3.[151,1437,941,2013]" pageId="3" pageNumber="255">
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<emphasis id="838BA97BFFE0E320FF44FC48FEC4FC11" bold="true" box="[151,324,941,966]" pageId="3" pageNumber="255">
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<typeStatus id="6E44CBCBFFE0E320FF44FC48FF52FC11" box="[151,210,941,966]" pageId="3" pageNumber="255">Type</typeStatus>
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material.
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</emphasis>
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<typeStatus id="6E44CBCBFFE0E320FE99FC48FE35FC11" box="[330,437,941,966]" pageId="3" pageNumber="255" type="holotype">Holotype</typeStatus>
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, single live collected specimen, Off Ras Madrakah, southern
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<collectingCountry id="C9E835F9FFE0E320FB8CFC4BFB26FC11" box="[1119,1190,942,966]" name="Oman" pageId="3" pageNumber="255">Oman</collectingCountry>
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, Discovery cruise 211 st. 12714#1,
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<geoCoordinate id="D4CB13AEFFE0E320FEF9FC37FE35FC3E" box="[298,437,978,1002]" direction="north" orientation="latitude" pageId="3" pageNumber="255" precision="9" value="19.179">19°10.74´N</geoCoordinate>
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<geoCoordinate id="D4CB13AEFFE0E320FE6DFC34FDC6FC3E" box="[446,582,977,1002]" direction="east" orientation="longitude" pageId="3" pageNumber="255" precision="9" value="58.338833">58°20.33´E</geoCoordinate>
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to
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<geoCoordinate id="D4CB13AEFFE0E320FDBEFC37FD78FC3E" box="[621,760,978,1002]" direction="north" orientation="latitude" pageId="3" pageNumber="255" precision="9" value="19.168333">19°10.10´N</geoCoordinate>
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<geoCoordinate id="D4CB13AEFFE0E320FCD3FC34FC0CFC3E" box="[768,908,977,1002]" direction="east" orientation="longitude" pageId="3" pageNumber="255" precision="9" value="59.325">59°19.50´E</geoCoordinate>
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,
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<quantity id="7607D88CFFE0E320FC4BFC34FB9BFC3E" box="[920,1051,977,1002]" metricMagnitude="2" metricUnit="m" metricValue="9.43" metricValueMax="9.67" metricValueMin="9.19" pageId="3" pageNumber="255" unit="m" value="943.0" valueMax="967.0" valueMin="919.0">919–967 m</quantity>
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, collected P.G. Oliver,
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<date id="C54153A9FFE0E320FACDFC37FF53FBD9" pageId="3" pageNumber="255" value="1994-10-28">28 October 1994</date>
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.
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<collectionCode id="D7EEEDACFFE0E320FF0CFC13FEABFBDA" box="[223,299,1014,1037]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="3" pageNumber="255">NMW</collectionCode>
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.Z. 1995.009.15.
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<typeStatus id="6E44CBCBFFE0E320FE3BFC13FDD8FBD9" box="[488,600,1014,1038]" pageId="3" pageNumber="255" type="paratype">Paratypes</typeStatus>
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, one fragmented valve and one shell. Discovery cruise 211 st. 12685#6,
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<geoCoordinate id="D4CB13AEFFE0E320FF44FBFFFEA1FBE6" box="[151,289,1050,1074]" direction="north" orientation="latitude" pageId="3" pageNumber="255" precision="9" value="19.314667">19°18.88´N</geoCoordinate>
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<geoCoordinate id="D4CB13AEFFE0E320FEFAFBFCFE32FBE6" box="[297,434,1049,1074]" direction="east" orientation="longitude" pageId="3" pageNumber="255" precision="9" value="58.257668">58°15.46´E</geoCoordinate>
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,
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<quantity id="7607D88CFFE0E320FE6DFBFCFD87FBE6" box="[446,519,1049,1074]" metricMagnitude="2" metricUnit="m" metricValue="6.88" pageId="3" pageNumber="255" unit="m" value="688.0">688 m</quantity>
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, collected P.G. Oliver,
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<date id="C54153A9FFE0E320FCD5FBFCFC46FBE5" box="[774,966,1049,1074]" pageId="3" pageNumber="255" value="1994-10-15">15 October 1994</date>
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.
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<collectionCode id="D7EEEDACFFE0E320FC04FBFFFBA3FBE6" box="[983,1059,1050,1073]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="3" pageNumber="255">NMW</collectionCode>
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.Z. 1995.009.16.
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE0E320FF14FBD8FD9BF8D3" pageId="3" pageNumber="255" type="description">
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<paragraph id="B1407569FFE0E320FF14FBD8FD5FFAA1" blockId="3.[151,1437,941,2013]" pageId="3" pageNumber="255">
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<emphasis id="838BA97BFFE0E320FF14FBD8FED9FB81" bold="true" box="[199,345,1085,1110]" pageId="3" pageNumber="255">Description.</emphasis>
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<emphasis id="838BA97BFFE0E320FEB3FBD8FE18FB81" box="[352,408,1085,1110]" italics="true" pageId="3" pageNumber="255">Shell</emphasis>
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(
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<figureCitation id="29C469ECFFE0E320FE7BFBD8FDAAFB81" box="[424,554,1085,1110]" captionStart="FIGURE 2. A – C" captionStartId="4.[151,250,1822,1844]" captionTargetBox="[151,1436,337,1799]" captionTargetId="figure@4.[151,1436,337,1801]" captionTargetPageId="4" captionText="FIGURE 2. A – C, Thyasira anassa sp. nov. Holotype: A – B, external and internal of the left valve; C, gross anatomy viewed from the right side and right mantle removed; D – E, Channelaxinus investigatoris Smith, off Sri Lanka, National Museum of Wales, NMWZ 1955.158.11399; F – H, Thyasira acuticarinata Smith, reproduced from Annandale & Stewart, 1909. aa, anterior adductor muscle; au, auricle; aus auricular sinus; f, foot; id, inner demibranch; lbp, lateral body pouch; lun, lunule; me, mantle edge; od, outer demibranch; pa, posterior adductor muscle; ps, posterior sulcus; psn, posterior sinus; sms, submarginal sulcus; smsn, submarginal sinus." httpUri="https://zenodo.org/record/236859/files/figure.png" pageId="3" pageNumber="255">Figs 2A–B</figureCitation>
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).
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<typeStatus id="6E44CBCBFFE0E320FDEDFBD8FD26FB81" box="[574,678,1085,1110]" pageId="3" pageNumber="255" type="holotype">Holotype</typeStatus>
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<quantity id="7607D88CFFE0E320FD7DFBDBFC94FB82" box="[686,788,1086,1110]" metricMagnitude="-2" metricUnit="m" metricValue="2.17" pageId="3" pageNumber="255" unit="mm" value="21.7">21.7 mm</quantity>
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in length,
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<quantity id="7607D88CFFE0E320FC5CFBDBFC74FB82" box="[911,1012,1086,1110]" metricMagnitude="-2" metricUnit="m" metricValue="2.07" pageId="3" pageNumber="255" unit="mm" value="20.7">20.7 mm</quantity>
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in height. Thin, fragile. Equivalve. ~ Inflated. ~Equilateral, beaks prosogyrous, just anterior of midline. Outline polygonal, slightly longer than high. Posterior dorsal margin long, sloping steeply, trisinuate with a distinct posterior sinus, sub-marginal sinus and auricular sinus; anterior dorsal margin long, slightly concave; anterior narrow, rounded, ventral curved. Posterior area deeply bi-sulcate. Posterior sulcus deep, demarcated by a sharp radial ridge. Sub-marginal sulcus long, narrow, sunken, with a high auricle extending ~half the length of sms. Lunule large, flattened, not depressed, defined by a weak ridge. Anterior slope slightly flattened set off by a weak radial ridge. Hinge edentulous. Sculpture of commarginal growth lines and weak ridges. Adductor muscle scars small, anterior elongate, ~half free from the pallial line; posterior oval set on the posterior angle.
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</paragraph>
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<paragraph id="B1407569FFE0E320FF44FA67FCD7F9A5" blockId="3.[151,1437,941,2013]" pageId="3" pageNumber="255">
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<emphasis id="838BA97BFFE0E320FF44FA67FF7BFA4E" box="[151,251,1410,1433]" italics="true" pageId="3" pageNumber="255">Anatomy</emphasis>
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(
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<figureCitation id="29C469ECFFE0E320FEDEFA64FEE6FA4D" box="[269,358,1409,1434]" captionStart="FIGURE 2. A – C" captionStartId="4.[151,250,1822,1844]" captionTargetBox="[151,1436,337,1799]" captionTargetId="figure@4.[151,1436,337,1801]" captionTargetPageId="4" captionText="FIGURE 2. A – C, Thyasira anassa sp. nov. Holotype: A – B, external and internal of the left valve; C, gross anatomy viewed from the right side and right mantle removed; D – E, Channelaxinus investigatoris Smith, off Sri Lanka, National Museum of Wales, NMWZ 1955.158.11399; F – H, Thyasira acuticarinata Smith, reproduced from Annandale & Stewart, 1909. aa, anterior adductor muscle; au, auricle; aus auricular sinus; f, foot; id, inner demibranch; lbp, lateral body pouch; lun, lunule; me, mantle edge; od, outer demibranch; pa, posterior adductor muscle; ps, posterior sulcus; psn, posterior sinus; sms, submarginal sulcus; smsn, submarginal sinus." httpUri="https://zenodo.org/record/236859/files/figure.png" pageId="3" pageNumber="255">Fig. 2C</figureCitation>
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) Mantle thin; edges un-fused except for the formation of a small exhalant aperture Anterior adductor scar slender, elongate and approximately 4 times longer than posterior adductor scar; free from mantle edge for about one-half of its ventral edge; posterior adductor muscle oval. Foot vermiform very long, tip noticeably expanded, heel obsolete, protractor muscles very slender. Labial palps small, with grooved lamellae leading to a short tubular portion leading to the mouth. Lateral body pouches large, arborescent, terminations forked and bluntly pointed. Ctenidium large, both demibranchs with fully reflected filaments; outer demibranch about half the depth of the inner demibranch. Filaments fleshy.
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</paragraph>
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<paragraph id="B1407569FFE0E320FF14F998FD9BF8D3" blockId="3.[151,1437,941,2013]" pageId="3" pageNumber="255">
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<emphasis id="838BA97BFFE0E320FF14F998FE47F941" bold="true" box="[199,455,1661,1686]" pageId="3" pageNumber="255">Habitat and ecology.</emphasis>
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Taken from soft, greenish mud on the upper slope in hypoxic conditions, the live collected
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<typeStatus id="6E44CBCBFFE0E320FED5F941FEE8F96A" box="[262,360,1700,1725]" pageId="3" pageNumber="255" type="holotype">holotype</typeStatus>
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from bottom water at a temperature of 9°C and an oxygen concentration of 0.27 ml l-1. The associated bivalve fauna was limited, the most frequent being the large lucinid
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<taxonomicName id="76FF0EEAFFE0E320FBD7F92CFB39F937" box="[1028,1209,1737,1760]" class="Bivalvia" family="Lucinidae" genus="Lucinoma" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="species" species="gagei">
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<emphasis id="838BA97BFFE0E320FBD7F92CFB39F937" box="[1028,1209,1737,1760]" italics="true" pageId="3" pageNumber="255">Lucinoma gagei</emphasis>
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</taxonomicName>
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along with the large nuculid
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<taxonomicName id="76FF0EEAFFE0E320FF21F909FD98F8D3" authority="Smith, 1892" authorityName="Smith" authorityYear="1892" box="[242,536,1772,1797]" class="Bivalvia" family="Nuculidae" genus="Acila" kingdom="Animalia" order="Nuculida" pageId="3" pageNumber="255" phylum="Mollusca" rank="species" species="fultoni">
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<emphasis id="838BA97BFFE0E320FF21F909FEFDF8D2" box="[242,381,1772,1797]" italics="true" pageId="3" pageNumber="255">Acila fultoni</emphasis>
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, Smith, 1892
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE0E320FF14F8F5FC10F89A" pageId="3" pageNumber="255" type="etymology">
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<paragraph id="B1407569FFE0E320FF14F8F5FC10F89A" blockId="3.[151,1437,941,2013]" pageId="3" pageNumber="255">
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<emphasis id="838BA97BFFE0E320FF14F8F5FECEF8FE" bold="true" box="[199,334,1808,1833]" pageId="3" pageNumber="255">Etymology.</emphasis>
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<taxonomicName id="76FF0EEAFFE0E320FE86F8F4FE6EF8FE" authority="Greek" authorityName="Greek" box="[341,494,1808,1833]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="species" species="anassa">
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<emphasis id="838BA97BFFE0E320FE86F8F4FE23F8FF" box="[341,419,1809,1832]" italics="true" pageId="3" pageNumber="255">anassa</emphasis>
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Greek
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</taxonomicName>
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“queen” (
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<bibRefCitation id="D56E0898FFE0E320FDB2F8F5FD6FF8FE" author="Brown" box="[609,751,1808,1833]" pageId="3" pageNumber="255" refString="Brown, R. W. (1956) Composition of Scientific Words. Smithsonian Institution Press, London and Washington, 882 pp." type="book" year="1956">Brown 1956</bibRefCitation>
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) for the elegance of the shell and memories of a certain card game, played at the Dove Marine Laboratory, that Roger never lost!
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE0E327FF14F8BDFC57FECB" lastPageId="4" lastPageNumber="256" pageId="3" pageNumber="255" type="discussion">
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<paragraph id="B1407569FFE0E327FF14F8BDFC57FECB" blockId="3.[151,1437,941,2013]" lastBlockId="4.[151,1436,151,285]" lastPageId="4" lastPageNumber="256" pageId="3" pageNumber="255">
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<emphasis id="838BA97BFFE0E320FF14F8BDFEBBF8A6" bold="true" box="[199,315,1880,1905]" pageId="3" pageNumber="255">Remarks.</emphasis>
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The deeply sulcate shell is reminiscent of polygonal species of
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<emphasis id="838BA97BFFE0E320FBE2F8BDFB35F8A7" box="[1073,1205,1880,1905]" italics="true" pageId="3" pageNumber="255">
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<taxonomicName id="76FF0EEAFFE0E320FBE2F8BDFB15F8A6" box="[1073,1173,1880,1905]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="genus">Thyasira</taxonomicName>
|
||
ss
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="76FF0EEAFFE0E320FB27F8BDFE35F843" authority="Valentich-Scott & Coan" authorityName="Valentich-Scott & Coan" class="Bivalvia" family="Thyasiridae" genus="Channelaxinus" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="genus">
|
||
<emphasis id="838BA97BFFE0E320FB27F8BDFA1CF8A6" box="[1268,1436,1880,1905]" italics="true" pageId="3" pageNumber="255">Channelaxinus</emphasis>
|
||
Valentich-Scott & Coan
|
||
</taxonomicName>
|
||
, 201
|
||
<emphasis id="838BA97BFFE0E320FE20F899FD81F843" box="[499,513,1916,1940]" italics="true" pageId="3" pageNumber="255">2</emphasis>
|
||
. In the Indian Ocean only two species warrant comparison:
|
||
<taxonomicName id="76FF0EEAFFE0E320FB27F899FE4AF86E" authority="Smith, 1895" authorityName="Smith" authorityYear="1895" class="Bivalvia" family="Thyasiridae" genus="Channelaxinus" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis id="838BA97BFFE0E320FB27F899FEB0F86F" italics="true" pageId="3" pageNumber="255">Channelaxinus investigatoris</emphasis>
|
||
<bibRefCitation id="D56E0898FFE0E320FEE8F845FE4AF86E" author="Smith" box="[315,458,1952,1977]" pageId="3" pageNumber="255" refString="Smith, E. A. (1895) Natural history notes from H. M. Indian Marine Survey Steamer ' Investigator', Commander C. F. Oldham, R. N. - Series II, No. 19. Report upon the Mollusca dredged in the Bay of Bengal and the Arabian Sea during the season 1893 - 94. Annals and Magazine of Natural History, 6 (16), 1 - 19." type="journal article" year="1895">Smith, 1895</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="29C469ECFFE0E320FE0DF845FDAAF86F" box="[478,554,1952,1977]" captionStart="FIGURE 2. A – C" captionStartId="4.[151,250,1822,1844]" captionTargetBox="[151,1436,337,1799]" captionTargetId="figure@4.[151,1436,337,1801]" captionTargetPageId="4" captionText="FIGURE 2. A – C, Thyasira anassa sp. nov. Holotype: A – B, external and internal of the left valve; C, gross anatomy viewed from the right side and right mantle removed; D – E, Channelaxinus investigatoris Smith, off Sri Lanka, National Museum of Wales, NMWZ 1955.158.11399; F – H, Thyasira acuticarinata Smith, reproduced from Annandale & Stewart, 1909. aa, anterior adductor muscle; au, auricle; aus auricular sinus; f, foot; id, inner demibranch; lbp, lateral body pouch; lun, lunule; me, mantle edge; od, outer demibranch; pa, posterior adductor muscle; ps, posterior sulcus; psn, posterior sinus; sms, submarginal sulcus; smsn, submarginal sinus." httpUri="https://zenodo.org/record/236859/files/figure.png" pageId="3" pageNumber="255">Figs 2</figureCitation>
|
||
D–E) and
|
||
<taxonomicName id="76FF0EEAFFE0E320FD7BF845FBCAF86E" authority="Smith, 1895" authorityName="Smith" authorityYear="1895" box="[680,1098,1952,1977]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" kingdom="Animalia" order="Lucinoida" pageId="3" pageNumber="255" phylum="Mollusca" rank="species" species="acuticarinata">
|
||
<emphasis id="838BA97BFFE0E320FD7BF845FC2FF86F" box="[680,943,1952,1977]" italics="true" pageId="3" pageNumber="255">Thyasira acuticarinata</emphasis>
|
||
<bibRefCitation id="D56E0898FFE0E320FC6FF845FBCAF86E" author="Smith" box="[956,1098,1952,1977]" pageId="3" pageNumber="255" refString="Smith, E. A. (1895) Natural history notes from H. M. Indian Marine Survey Steamer ' Investigator', Commander C. F. Oldham, R. N. - Series II, No. 19. Report upon the Mollusca dredged in the Bay of Bengal and the Arabian Sea during the season 1893 - 94. Annals and Magazine of Natural History, 6 (16), 1 - 19." type="journal article" year="1895">Smith, 1895</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="29C469ECFFE0E320FB8DF845FB2AF86F" box="[1118,1194,1952,1977]" captionStart="FIGURE 2. A – C" captionStartId="4.[151,250,1822,1844]" captionTargetBox="[151,1436,337,1799]" captionTargetId="figure@4.[151,1436,337,1801]" captionTargetPageId="4" captionText="FIGURE 2. A – C, Thyasira anassa sp. nov. Holotype: A – B, external and internal of the left valve; C, gross anatomy viewed from the right side and right mantle removed; D – E, Channelaxinus investigatoris Smith, off Sri Lanka, National Museum of Wales, NMWZ 1955.158.11399; F – H, Thyasira acuticarinata Smith, reproduced from Annandale & Stewart, 1909. aa, anterior adductor muscle; au, auricle; aus auricular sinus; f, foot; id, inner demibranch; lbp, lateral body pouch; lun, lunule; me, mantle edge; od, outer demibranch; pa, posterior adductor muscle; ps, posterior sulcus; psn, posterior sinus; sms, submarginal sulcus; smsn, submarginal sinus." httpUri="https://zenodo.org/record/236859/files/figure.png" pageId="3" pageNumber="255">Figs 2</figureCitation>
|
||
F–H). The former is strongly oblique with a deeply excavated ligament demarcated by a strong ridge and has a distinct flattened median zone, all such characters are absent in
|
||
<taxonomicName id="76FF0EEAFFE7E327FD9DFF7CFD39FF67" box="[590,697,153,176]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" kingdom="Animalia" order="Lucinoida" pageId="4" pageNumber="256" phylum="Mollusca" rank="species" species="anassa" status="sp. nov.">
|
||
<emphasis id="838BA97BFFE7E327FD9DFF7CFD39FF67" box="[590,697,153,176]" italics="true" pageId="4" pageNumber="256">T. anassa</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="98B81400FFE7E327FD12FF72FC9CFF67" box="[705,796,151,176]" pageId="4" pageNumber="256" rank="species">
|
||
<emphasis id="838BA97BFFE7E327FD12FF72FC9CFF67" bold="true" box="[705,796,151,176]" pageId="4" pageNumber="256">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
<taxonomicName id="76FF0EEAFFE7E327FCF6FF72FBA8FF67" box="[805,1064,151,176]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" kingdom="Animalia" order="Lucinoida" pageId="4" pageNumber="256" phylum="Mollusca" rank="species" species="acuticarinata">
|
||
<emphasis id="838BA97BFFE7E327FCF6FF72FBA8FF67" box="[805,1064,151,176]" italics="true" pageId="4" pageNumber="256">Thyasira acuticarinata</emphasis>
|
||
</taxonomicName>
|
||
is inequilateral with the anterior extended laterally, the auricle is low and does not extend above the submarginal sulcus; it has been taken only from the
|
||
<typeStatus id="6E44CBCBFFE7E327FF12FF05FF71FF2F" box="[193,241,224,248]" pageId="4" pageNumber="256">type</typeStatus>
|
||
locality off the east coast of
|
||
<collectingCountry id="C9E835F9FFE7E327FDEDFF3AFD2DFF2F" box="[574,685,223,248]" name="Sri Lanka" pageId="4" pageNumber="256">Sri Lanka</collectingCountry>
|
||
at
|
||
<quantity id="7607D88CFFE7E327FD01FF05FCA8FF20" box="[722,808,224,248]" metricMagnitude="3" metricUnit="m" metricValue="1.114" pageId="4" pageNumber="256" unit="m" value="1114.0">1114 m</quantity>
|
||
, while
|
||
<taxonomicName id="76FF0EEAFFE7E327FCA8FF05FBB5FF2F" box="[891,1077,224,248]" class="Bivalvia" family="Thyasiridae" genus="Channelaxinus" kingdom="Animalia" order="Lucinoida" pageId="4" pageNumber="256" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis id="838BA97BFFE7E327FCA8FF05FBB5FF2F" box="[891,1077,224,248]" italics="true" pageId="4" pageNumber="256">C. investigatoris</emphasis>
|
||
</taxonomicName>
|
||
has been found off the western coasts of
|
||
<collectingCountry id="C9E835F9FFE7E327FED2FEE1FEEEFECA" box="[257,366,260,285]" name="Sri Lanka" pageId="4" pageNumber="256">Sri Lanka</collectingCountry>
|
||
and southern
|
||
<collectingCountry id="C9E835F9FFE7E327FDDFFEE1FDC5FECA" box="[524,581,260,285]" name="India" pageId="4" pageNumber="256">India</collectingCountry>
|
||
at depths between 260 and
|
||
<quantity id="7607D88CFFE7E327FCAEFEE1FC53FECB" box="[893,979,260,284]" metricMagnitude="3" metricUnit="m" metricValue="1.114" pageId="4" pageNumber="256" unit="m" value="1114.0">1114 m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |