118 lines
14 KiB
XML
118 lines
14 KiB
XML
<document id="593C4F383B9E3B2C5E6E3415D208A25C" 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="3956C47FFFE5E325FF44FB6DFCEFF8D4" 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="Channelaxinus" docType="treatment" docVersion="8" lastPageNumber="258" 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="258" updateTime="1698613566852" updateUser="plazi">
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<mods:title id="C9BC03F6E4993462D5DD8052221A2419">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="55BCC93A67CCE2651742A3520FFA593F" type="personal">
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<mods:namePart id="8E04CB07E6C9A7958CBD99884E3E700A">Oliver, P. Graham</mods:namePart>
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<mods:title id="39C746F15D4DED3A3E9EB168E8572806">Zootaxa</mods:title>
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<mods:part id="68CD217FE61AA7E8A5800AE57A16C51F">
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<mods:date id="818B1ED59E9EABA9CBA12F461885BE5F">2015</mods:date>
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<mods:number id="68AAED8CB70AD8B0AB2E6B1774AACC51">3995</mods:number>
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<mods:identifier id="096E6825A13B1472EB9AD5CA015C85BB" type="DOI">10.11646/zootaxa.3995.1.21</mods:identifier>
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<treatment id="3956C47FFFE5E325FF44FB6DFCEFF8D4" ID-DOI="http://doi.org/10.5281/zenodo.6098581" ID-GBIF-Taxon="119640195" ID-Zenodo-Dep="6098581" LSID="urn:lsid:plazi:treatment:3956C47FFFE5E325FF44FB6DFCEFF8D4" httpUri="http://treatment.plazi.org/id/3956C47FFFE5E325FF44FB6DFCEFF8D4" lastPageNumber="258" pageId="6" pageNumber="258">
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<subSubSection id="F9E526E2FFE5E325FF44FB6DFE8FFB14" pageId="6" pageNumber="258" type="nomenclature">
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<paragraph id="B1407569FFE5E325FF44FB6DFD45FB75" blockId="6.[151,709,1160,1219]" box="[151,709,1160,1186]" pageId="6" pageNumber="258">
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<heading id="EA08C205FFE5E325FF44FB6DFD45FB75" bold="true" box="[151,709,1160,1186]" fontSize="11" level="1" pageId="6" pageNumber="258" reason="1">
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<emphasis id="838BA97BFFE5E325FF44FB6DFD45FB75" bold="true" box="[151,709,1160,1186]" pageId="6" pageNumber="258">
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<emphasis id="838BA97BFFE5E325FF44FB6DFEEEFB75" bold="true" box="[151,366,1160,1186]" italics="true" pageId="6" pageNumber="258">
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“
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<taxonomicName id="76FF0EEAFFE5E325FF76FB6DFEDFFB75" box="[165,351,1160,1186]" class="Bivalvia" family="Thyasiridae" genus="Channelaxinus" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="258" phylum="Mollusca" rank="genus">Channelaxinus</taxonomicName>
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”
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</emphasis>
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<taxonomicName id="76FF0EEAFFE5E325FEA6FB6DFD45FB75" authority="(Smith, 1895)" authorityName="Smith" authorityYear="1895" baseAuthorityName="Smith" baseAuthorityYear="1895" box="[373,709,1160,1186]" class="Bivalvia" family="Thyasiridae" genus="Cryptodon" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="6" pageNumber="258" phylum="Mollusca" rank="species" species="investigatoris">
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<emphasis id="838BA97BFFE5E325FEA6FB6DFD96FB75" bold="true" box="[373,534,1160,1186]" italics="true" pageId="6" pageNumber="258">investigatoris</emphasis>
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(
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<bibRefCitation id="D56E0898FFE5E325FDF5FB6DFD3DFB75" author="Smith" box="[550,701,1160,1186]" pageId="6" pageNumber="258" 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>
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)
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="B1407569FFE5E325FF44FB4FFE8FFB14" blockId="6.[151,709,1160,1219]" box="[151,271,1194,1219]" pageId="6" pageNumber="258">
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<figureCitation id="29C469ECFFE5E325FF44FB4FFF5BFB14" box="[151,219,1194,1219]" 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="6" pageNumber="258">Figs 2</figureCitation>
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D–E
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE5E325FF44FB17FD12FA84" pageId="6" pageNumber="258" type="materials_examined">
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<paragraph id="B1407569FFE5E325FF44FB17FD12FA84" blockId="6.[151,1437,1266,1795]" pageId="6" pageNumber="258">
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<emphasis id="838BA97BFFE5E325FF44FB17FE86FADC" bold="true" box="[151,262,1266,1291]" pageId="6" pageNumber="258">Material.</emphasis>
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One fragment, Discovery cruise 211 st. 12685#6,
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<geoCoordinate id="D4CB13AEFFE5E325FCE4FB16FC41FADD" box="[823,961,1267,1291]" direction="north" orientation="latitude" pageId="6" pageNumber="258" precision="9" value="19.314667">19°18.88´N</geoCoordinate>
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<geoCoordinate id="D4CB13AEFFE5E325FC1BFB17FBD2FADD" box="[968,1106,1266,1291]" direction="east" orientation="longitude" pageId="6" pageNumber="258" precision="9" value="58.257668">58°15.46´E</geoCoordinate>
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,
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<quantity id="7607D88CFFE5E325FB8EFB17FB25FADD" box="[1117,1189,1266,1291]" metricMagnitude="2" metricUnit="m" metricValue="6.88" pageId="6" pageNumber="258" unit="m" value="688.0">688 m</quantity>
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, collected P.G. Oliver,
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<date id="C54153A9FFE5E325FF44FAF3FEDCFAF8" box="[151,348,1302,1327]" pageId="6" pageNumber="258" value="1994-10-15">15 October 1994</date>
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,
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<collectionCode id="D7EEEDACFFE5E325FEB9FAF2FE36FAF9" box="[362,438,1303,1326]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="6" pageNumber="258">NMW</collectionCode>
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.Z. 1995.009.18:
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<date id="C54153A9FFE5E325FDA5FAF3FD12FAF8" box="[630,658,1302,1327]" pageId="6" pageNumber="258">5v</date>
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,
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<collectingCountry id="C9E835F9FFE5E325FD72FAF3FC95FAF8" box="[673,789,1302,1327]" name="Sri Lanka" pageId="6" pageNumber="258">Sri Lanka</collectingCountry>
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, Ex Investigator Expedition, no precise locality, Melvill Tomlin Collection,
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<collectionCode id="D7EEEDACFFE5E325FEA2FADFFE3BFA84" box="[369,443,1338,1363]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="6" pageNumber="258">NMW</collectionCode>
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.Z.1955.158.11399.
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE5E325FF14FABBFB62F9A4" pageId="6" pageNumber="258" type="description">
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<paragraph id="B1407569FFE5E325FF14FABBFB62F9A4" blockId="6.[151,1437,1266,1795]" pageId="6" pageNumber="258">
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<emphasis id="838BA97BFFE5E325FF14FABBFED1FAA0" bold="true" box="[199,337,1374,1399]" pageId="6" pageNumber="258">Description</emphasis>
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. To
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<quantity id="7607D88CFFE5E325FE57FABAFE54FAA1" box="[388,468,1375,1399]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="6" pageNumber="258" unit="mm" value="40.0">40 mm</quantity>
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in length. Robust. Equivalve. Strongly inequilateral, beaks, prosogyrous and close to the anterior. Outline obliquely polygonal. Anterior dorsal margin steeply sloping, straight; anterior very short, narrowly rounded; anterior ventral long and straight, ventral short curved; posterior ventral weakly sinuous; posterior deeply sinuous; posterior dorsal long and straight. Surface multi-contoured, lunule deeply excavated and bounded by a strong ridge, anterior slope very narrow as a flattened ridge; anterior median slope wide, flat; median slope narrow, as a flat ridge; posterior median area weakly sulcate; posterior sulcus very strong; submarginal sulcus sharply defined; auricle weakly developed not rising above submarginal sulcus. Hinge edentulous; ligament in a shallow depression ~two-thirds the length of the submarginal sulcus. Shell chalky white in colour.
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</paragraph>
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</subSubSection>
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<subSubSection id="F9E526E2FFE5E325FF14F99BFCEFF8D4" pageId="6" pageNumber="258" type="discussion">
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<paragraph id="B1407569FFE5E325FF14F99BFCEFF8D4" blockId="6.[151,1437,1266,1795]" pageId="6" pageNumber="258">
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<emphasis id="838BA97BFFE5E325FF14F99BFEB4F940" bold="true" box="[199,308,1662,1687]" pageId="6" pageNumber="258">Remarks</emphasis>
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. This distinctive species was collected by the Investigator expedition at three localities off the west coast of
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<collectingCountry id="C9E835F9FFE5E325FF2FF947FEECF96C" box="[252,364,1698,1723]" name="Sri Lanka" pageId="6" pageNumber="258">Sri Lanka</collectingCountry>
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between
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<quantity id="7607D88CFFE5E325FE0DF947FDECF96D" box="[478,620,1698,1723]" metricMagnitude="2" metricUnit="m" metricValue="6.87" metricValueMax="11.14" metricValueMin="2.6" pageId="6" pageNumber="258" unit="m" value="687.0" valueMax="1114.0" valueMin="260.0">260–1114 m</quantity>
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(
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<bibRefCitation id="D56E0898FFE5E325FDAEF947FC87F96C" author="Smith" box="[637,775,1698,1723]" pageId="6" pageNumber="258" 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>
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,
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<bibRefCitation id="D56E0898FFE5E325FCC6F947FCD0F96C" author="Smith" box="[789,848,1698,1723]" pageId="6" pageNumber="258" refString="Smith, E. A. (1896) Natural history notes from H. M. Indian Marine Survey Steamer ' Investigator', Commander C. F. Oldham, R. N. - Series II, No. 22. Descriptions of new Deep-sea Mollusca. Annals and Magazine of Natural History, 6 (18), 367 - 375." type="journal article" year="1896">1896</bibRefCitation>
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,
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<bibRefCitation id="D56E0898FFE5E325FC8DF947FC17F96C" author="Smith" box="[862,919,1698,1723]" pageId="6" pageNumber="258" refString="Smith, E. A. (1906) Natural history notes from H. M. Indian Marine Survey Steamer ' Investigator', Commander T. H. Heming, R. N. - Series III, No. 1. On Mollusca from the Bay of Bengal and the Arabian Sea. Annals and Magazine of Natural History, 7 (18), 245 - 264." type="journal article" year="1906">1906</bibRefCitation>
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) and at one locality off the east coast of
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<collectingCountry id="C9E835F9FFE5E325FAA8F947FF5DF908" name="Sri Lanka" pageId="6" pageNumber="258">Sri Lanka</collectingCountry>
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at
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<quantity id="7607D88CFFE5E325FED2F923FEC9F909" box="[257,329,1734,1759]" metricMagnitude="2" metricUnit="m" metricValue="7.859999999999999" pageId="6" pageNumber="258" unit="m" value="786.0">786 m</quantity>
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(
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<bibRefCitation id="D56E0898FFE5E325FE8AF923FE61F908" author="Smith" box="[345,481,1734,1759]" pageId="6" pageNumber="258" refString="Smith, E. A. (1904) Natural history notes from R. I. M. S. ' Investigator', - Series III, No. 10. On Mollusca from the Bay of Bengal and the Arabian Sea. Annals and Magazine of Natural History, 7 (14), 1 - 14." type="journal article" year="1904">Smith 1904</bibRefCitation>
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). The fragment collected off the
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<collectingCountry id="C9E835F9FFE5E325FC84F922FC1CF908" box="[855,924,1735,1759]" name="Oman" pageId="6" pageNumber="258">Oman</collectingCountry>
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margin at
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<quantity id="7607D88CFFE5E325FBC4F923FBDFF909" box="[1047,1119,1734,1759]" metricMagnitude="2" metricUnit="m" metricValue="6.88" pageId="6" pageNumber="258" unit="m" value="688.0">688 m</quantity>
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suggests that this species is associated with the hypoxic conditions found in the Arabian Sea.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |