302 lines
35 KiB
XML
302 lines
35 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/BDJ.10.e95101" ID-Pensoft-Pub="1314-2828-10-e95101" ID-Pensoft-UUID="F55B0BF787A95221BBD544985D0FF165" ModsDocID="1314-2828-10-e95101" checkinTime="1667915758706" checkinUser="pensoft" docAuthor="Gan, Zhibin & Li, Xinzheng" docDate="2022" docId="FD94F682BB81560FAF89870D1CB81760" docLanguage="en" docName="BiodivDatJour 10: e95101" docOrigin="Biodiversity Data Journal 10" docPubDate="2022-11-07" docSource="http://dx.doi.org/10.3897/BDJ.10.e95101" docTitle="Nematocarcinus exilis" docType="treatment" docVersion="1" id="F55B0BF787A95221BBD544985D0FF165" lastPageNumber="95101" masterDocId="F55B0BF787A95221BBD544985D0FF165" masterDocTitle="First records of three Nematocarcinus species (Crustacea, Decapoda, Nematocarcinidae) in the deep-waters of the north-western Pacific" masterLastPageNumber="95101" masterPageNumber="95101" pageNumber="95101" updateTime="1667915758706" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>First records of three Nematocarcinus species (Crustacea, Decapoda, Nematocarcinidae) in the deep-waters of the north-western Pacific</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Gan, Zhibin</mods:namePart>
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<mods:affiliation>Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China & Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Li, Xinzheng</mods:namePart>
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<mods:affiliation>Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China & University of Chinese Academy of Sciences, Beijing, China & Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China & Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China</mods:affiliation>
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<mods:nameIdentifier type="email">lixzh@qdio.ac.cn</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Biodiversity Data Journal</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-11-07</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>10</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>95101</mods:start>
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<mods:end>95101</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/BDJ.10.e95101</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/BDJ.10.e95101</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2828-10-e95101</mods:identifier>
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<mods:identifier type="Pensoft-UUID">F55B0BF787A95221BBD544985D0FF165</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760" httpUri="http://treatment.plazi.org/id/FD94F682BB81560FAF89870D1CB81760" lastPageNumber="95101" pageId="0" pageNumber="95101">
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<subSubSection pageId="0" pageNumber="95101" type="nomenclature">
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<paragraph pageId="0" pageNumber="95101">
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<taxonomicName LSID="FD94F682-BB81-560F-AF89-870D1CB81760" authority="(Spence Bate, 1888)" baseAuthorityName="Spence Bate" baseAuthorityYear="1888" class="Malacostraca" family="Nematocarcinidae" genus="Nematocarcinus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nematocarcinus exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">Nematocarcinus exilis (Spence Bate, 1888)</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95101" type="reference_group">
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<paragraph pageId="0" pageNumber="95101">
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<taxonomicName authorityName="Spence Bate" authorityYear="1888" class="Malacostraca" family="Nematocarcinidae" genus="Stochasmus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Stochasmus exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">Stochasmus exilis</taxonomicName>
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:
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<bibRefCitation author="Spence-Bate, C. S." journalOrPublisher="Johnson Reprint Corporation, New York" pageId="0" pageNumber="95101" refId="B8134993" refString="Spence-Bate, C. S., 1888. Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76. Johnson Reprint Corporation, New York" title="Report on the scientific results of the voyage of H. M. S. Challenger during the years 1873 - 76" year="1888">Spence-Bate (1888)</bibRefCitation>
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, p. 822-824, pl. 82, fig. 14.
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</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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<taxonomicName baseAuthorityName="Spence Bate" baseAuthorityYear="1888" class="Malacostraca" family="Nematocarcinidae" genus="Nematocarcinus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nematocarcinus exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">Nematocarcinus exilis</taxonomicName>
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:
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<bibRefCitation author="Crosnier, A." journalOrPublisher="Faune Trop ORSTOM" pageId="0" pageNumber="95101" pagination="7 - 409" refId="B8135024" refString="Crosnier, A., Forest, J., 1973. Les crevettes profondes de l'Atlantique oriental tropical. Faune Trop ORSTOM 19: 7 - 409" title="Les crevettes profondes de l'Atlantique oriental tropical" volume="19" year="1973">Crosnier and Forest (1973)</bibRefCitation>
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, p. 116-123, fig. 32d, e; 33d, e, f;
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<bibRefCitation author="Abello, P." journalOrPublisher="Mesogee" pageId="0" pageNumber="95101" pagination="97 - 102" refId="B8134733" refString="Abello, P., Valladares, F. J., 1988. Bathyal decapod crustaceans of the Catalan Sea (northwestern Mediterranean). Mesogee 48: 97 - 102" title="Bathyal decapod crustaceans of the Catalan Sea (northwestern Mediterranean)" volume="48" year="1988">Abello and Valladares (1988)</bibRefCitation>
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, p. 100, fig. 4;
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<bibRefCitation author="Turkay, M." journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="95101" pagination="1787 - 1794" refId="B8135006" refString="Turkay, M., 1998. Notes on the Mediterranean nematocarcinid shrimps (Crustacea: Decapoda: Caridea). Journal of Natural History 32: 1787 - 1794" title="Notes on the Mediterranean nematocarcinid shrimps (Crustacea: Decapoda: Caridea)" volume="32" year="1998">Turkay (1998)</bibRefCitation>
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, p. 1787-1794, fig. 2;
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Prospekt Nauki, Sankt-Peterburg" pageId="0" pageNumber="95101" refId="B8134894" refString="Burukovsky, R. N., 2012. Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology. Prospekt Nauki, Sankt-Peterburg" title="Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology" year="2012">Burukovsky (2012)</bibRefCitation>
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, p. 108-112, fig. 35.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95101" type="materials_examined">
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<paragraph pageId="0" pageNumber="95101">Materials</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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<materialsCitation accessionNumber="OP093560, OP093561, OP089177, OP089178" collectingDate="2021-08-06" collectingMethod="pipet of ROV" collectorName="Identification, Zhibin Gan, Crosnier, Forest, Abello, Valladares, Turkay, Burukovsky, Event, St. DY, Coll. Gan, Record Level, Sample Repository" county="Second Institute of Oceanography" determinerName="Zhibin Gan" elevation="1956" latitude="16.931303" location="Taxon" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" pageId="0" pageNumber="95101" specimenCount="2" specimenCount-female="1" specimenCount-male="1" typeStatus="Other material">
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<emphasis bold="true" pageId="0" pageNumber="95101">Type status:</emphasis>
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<materialsCitation accessionNumber="OP093560, OP093561, OP089177, OP089178" collectingDate="2021-08-06" collectingMethod="pipet of ROV" collectorName="Identification, Zhibin Gan, Crosnier, Forest, Abello, Valladares, Turkay, Burukovsky, Event, St. DY, Coll. Gan, Record Level, Sample Repository" county="Second Institute of Oceanography" determinerName="Zhibin Gan" elevation="1956" latitude="16.931303" location="Taxon" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" specimenCount="2" specimenCount-female="1" specimenCount-male="1" typeStatus="Other material">
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<typeStatus pageId="0" pageNumber="95101">Other material</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="95101">Occurrence:</emphasis>
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individualCount:
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<specimenCount pageId="0" pageNumber="95101" type="generic">2</specimenCount>
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; sex:
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<specimenCount type="female">1 female</specimenCount>
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(DY59-I-ROV08),
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<specimenCount type="male">1 male</specimenCount>
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(DY59-I-ROV05); lifeStage:
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<specimenType pageId="0" pageNumber="95101">
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adult (female CL 21.0 mm, male CL
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.21" unit="mm" value="12.1">12.1 mm</quantity>
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)
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</specimenType>
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; reproductiveCondition: non-reproductive; establishmentMeans: wild; preparations: whole animal (ETOH), DNA extract; disposition: in collection; associatedSequences:
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<accessionNumber isEnumeration="true">OP093560, OP093561, OP089177, OP089178</accessionNumber>
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; occurrenceID:
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<uuid>6517D2A7-0EA0-5DCF-88CF-EBE8761F09E5</uuid>
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;
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<emphasis bold="true" pageId="0" pageNumber="95101">
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:113D28A683F6A2EF87AAEFC0D6CFA22E" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Taxon">Taxon</location>
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:
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</emphasis>
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scientificNameID: urn:lsid:marinespecies.org:taxname:107574; scientificName:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:5124A710E00C240585B07B1EF5465248" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Nematocarcinus">Nematocarcinus</location>
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exilis (Spence-Bate, 1888); order:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:50ECDD7D1F7D80A56444DED0D49BAA4D" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Decapoda">Decapoda</location>
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; family:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:0081F923E4D12185D1937ACDE9E3D5B4" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Nematocarcinidae">Nematocarcinidae</location>
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; genus:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:BB0EF39B6E5516B4E2C1F504CB103A42" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Nematocarcinus">Nematocarcinus</location>
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; specificEpithet: exilis; scientificNameAuthorship: (Spence Bate, 1888); taxonomicStatus: accepted;
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<emphasis bold="true" pageId="0" pageNumber="95101">
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:C021503F93E87A6C6E21951B5C66861E" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Location">Location</location>
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:
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</emphasis>
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higherGeography:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:993BA026BF0CCFD2FF7260A24F91ADE4" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="northwestern Pacific">northwestern Pacific</location>
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; waterBody:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:E3C2E5147D5EE4BD14CC12343C3880D0" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="Pacific Ocean">Pacific Ocean</location>
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; locality:
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<location LSID="urn:lsid:plazi:treatment:FD94F682BB81560FAF89870D1CB81760:4577F18B11E38FF2F96E5E4580E8E0A5" county="Second Institute of Oceanography" latitude="16.931303" longLatPrecision="1" longitude="134.91786" municipality="Kyushu-Palau Ridge area" name="the Kyushu-Palau Ridge area" pageId="0" pageNumber="95101">
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the
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<collectingMunicipality>Kyushu-Palau Ridge area</collectingMunicipality>
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</location>
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; verbatimDepth:
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<quantity metricMagnitude="3" metricUnit="m" metricValue="1.956" unit="m" value="1956.0">
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<elevation metricMagnitude="3" metricUnit="m" metricValue="1.956" unit="m" value="1956.0">1956 m</elevation>
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</quantity>
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(DY59-I-ROV08),
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<quantity metricMagnitude="3" metricUnit="m" metricValue="2.666" unit="m" value="2666.0">
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<elevation metricMagnitude="3" metricUnit="m" metricValue="2.666" unit="m" value="2666.0">2666 m</elevation>
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</quantity>
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(DY59-I-ROV05); verbatimCoordinates:
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<geoCoordinate degrees="13.330868" direction="north" orientation="latitude" precision="1" value="13.330868">13.330868°N</geoCoordinate>
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,
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<geoCoordinate degrees="134.548018" direction="east" orientation="longitude" precision="1" value="134.54802">134.548018°E</geoCoordinate>
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(DY59-I-ROV08);
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<geoCoordinate degrees="16.931303" direction="north" orientation="latitude" precision="1" value="16.931303">16.931303°N</geoCoordinate>
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,
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<geoCoordinate degrees="134.917863" direction="east" orientation="longitude" precision="1" value="134.91786">134.917863°E</geoCoordinate>
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(DY59-I-ROV08);
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<emphasis bold="true" pageId="0" pageNumber="95101">
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<collectorName>Identification</collectorName>
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:
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</emphasis>
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identifiedBy:
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<determinerName pageId="0" pageNumber="95101">
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<collectorName>Zhibin Gan</collectorName>
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</determinerName>
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; dateIdentified:
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<collectingDate value="2021-08-06">06/08/2021</collectingDate>
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; identificationReferences:
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<collectorName>Crosnier</collectorName>
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and
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<collectorName>Forest</collectorName>
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, 1973;
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<collectorName>Abello</collectorName>
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and
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<collectorName>Valladares</collectorName>
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, 1988;
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<collectorName>Turkay</collectorName>
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, 1998;
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<collectorName>Burukovsky</collectorName>
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, 2012;
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<emphasis bold="true" pageId="0" pageNumber="95101">
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<collectorName>Event</collectorName>
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:
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</emphasis>
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samplingProtocol:
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<collectingMethod pageId="0" pageNumber="95101">pipet of ROV</collectingMethod>
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; eventDate:
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<collectingDate value="2020-07-20">20/07/2020</collectingDate>
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,
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<collectingDate value="2020-08-02">02/08/2020</collectingDate>
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; fieldNumber:
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<collectorName>St. DY</collectorName>
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59-I-ROV05,
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<collectorName>St. DY</collectorName>
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59-I-ROV08; fieldNotes:
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<collectorName>Coll. Gan</collectorName>
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;
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<emphasis bold="true" pageId="0" pageNumber="95101">
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<collectorName>Record Level</collectorName>
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:
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</emphasis>
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language: en; collectionID: SRSIO20080316; institutionCode:
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<collectorName>Sample Repository</collectorName>
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of the
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<collectingCounty>Second Institute of Oceanography</collectingCounty>
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(SRSIO)
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</materialsCitation>
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95101" type="description">
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<paragraph pageId="0" pageNumber="95101">Description</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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Body moderately slender, integument moderately soft, surface smooth. Rostrum nearly straight, slightly upturned at tip and concave in middle. Rostrum of female specimen over-reaching distal end of antennular peduncle by one-third of its length, reaching to distal one-third of scaphocerite, about half-length of carapace (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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A and Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F8134696" captionText="Figure 2. Photographs: A Nematocarcinus evansi Burukovsky, 2000, MBM 189203, female; B Nematocarcinus undulatipes Spence Bate, 1888, MBM 189205, female; C Nematocarcinus exilis (Spence Bate, 1888), SRSIO 20080316, female; D Nematocarcinus exilis (Spence Bate, 1888), SRSIO 20080316, male." figureDoi="10.3897/BDJ.10.e95101.figure2" httpUri="https://binary.pensoft.net/fig/756727" pageId="0" pageNumber="95101">2</figureCitation>
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C); dorsal margin armed with 32 subequal teeth, including 23 on rostrum proper and nine on carapace posterior to orbital margin, distal four teeth basally sub-articulated, others all articulated; apex somewhat trifurcated (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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B); ventral margin unarmed. Rostrum of male specimen slightly over-reaching distal end of antennular peduncle, only reaching to mid-length of scaphocerite, about 0.37 times as long as carapace (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F8134696" captionText="Figure 2. Photographs: A Nematocarcinus evansi Burukovsky, 2000, MBM 189203, female; B Nematocarcinus undulatipes Spence Bate, 1888, MBM 189205, female; C Nematocarcinus exilis (Spence Bate, 1888), SRSIO 20080316, female; D Nematocarcinus exilis (Spence Bate, 1888), SRSIO 20080316, male." figureDoi="10.3897/BDJ.10.e95101.figure2" httpUri="https://binary.pensoft.net/fig/756727" pageId="0" pageNumber="95101">2</figureCitation>
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D); dorsal margin armed with 25 subequal teeth, including 18 on rostrum proper and seven on carapace posterior to orbital margin, distal four teeth basally sub-articulated, others all articulated; apex bifid (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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C). Antennal and pterygostomian teeth well developed.
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</paragraph>
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<paragraph pageId="0" pageNumber="95101">Eyes normally developed; cornea wider than eye stalk.</paragraph>
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<paragraph pageId="0" pageNumber="95101">Third maxilliped reaching to distal quarter of scaphocerite; ultimate segment 0.76 times as long as penultimate segment, not markedly broadened at middle, armed with slender apical spinule; antepenultimate segment subequal in length to distal two segments combined, armed with 8-9 spines on lateral margin and two distal spines; exopod reaching to distal two-fifths of antepenultimate segment.</paragraph>
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<paragraph pageId="0" pageNumber="95101">First pereiopod slender, overreaching end of scaphocerite by distal one-sixth of carpus; ischium with four ventrolateral spines, merus with 1-2 ventrolateral spines; ischium of second pereiopod with one distolateral spine, merus with 6-9 ventrolateral spines; ischium of third pereiopod with one distolateral spine, merus with 6-7 ventrolateral spines; ischium of fourth pereiopod with 0-1 distolateral spine, merus with 5-6 ventrolateral spines; ischium of fifth pereiopod unarmed, merus with 1-5 ventrolateral spines.</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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Posterodorsal margin of third pleomere rounded, continuation of its sides forming an angle slightly larger than 120° (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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D). Pleura of fifth pleomere with distinct bump on inner sides, terminating by a prominent tooth (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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E-F).
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</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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Ventral organ at sixth pleomere formed by two single rows of long plumose setae and two spots; setae rows nearly parallel, extending to end of spots; spots 2.47-2.61 times as long as wide, distance between spots about 2.05 times spots width (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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G).
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</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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Telson armed with seven pairs of dorsolateral spines, two pairs of distal spines, without accessory spine (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F8134692" captionText="Figure 3. Nematocarcinus exilis (Spence-Bate, 1888), SRSIO 20080316. A female, anterior part of carapace and cephalic appendages, lateral view; B female, distal part of rostrum, lateral view; C male, distal part of rostrum, lateral view; D female, pleomere 3 - 4, dorsal view; E female, left pleura of fifth pleomere, lateral view; F same, inner view; G female, sixth abdominal somite, ventral view; H female, telson, dorsal view. Scales: 1.0 mm." figureDoi="10.3897/BDJ.10.e95101.figure3" httpUri="https://binary.pensoft.net/fig/740914" pageId="0" pageNumber="95101">3</figureCitation>
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H).
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</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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Colour, crimson red in female, faint red in male (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F8134696" captionText="Figure 2. Photographs: A Nematocarcinus evansi Burukovsky, 2000, MBM 189203, female; B Nematocarcinus undulatipes Spence Bate, 1888, MBM 189205, female; C Nematocarcinus exilis (Spence Bate, 1888), SRSIO 20080316, female; D Nematocarcinus exilis (Spence Bate, 1888), SRSIO 20080316, male." figureDoi="10.3897/BDJ.10.e95101.figure2" httpUri="https://binary.pensoft.net/fig/756727" pageId="0" pageNumber="95101">2</figureCitation>
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C-D).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95101" type="distribution">
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<paragraph pageId="0" pageNumber="95101">Distribution</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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Previously known in the eastern Atlantic from 62°17'N to Morocco and Canary Is-lands (900-2300 m) and the Mediterranean Sea at depths between 1033-4765 m. (
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<bibRefCitation author="Crosnier, A." journalOrPublisher="Faune Trop ORSTOM" pageId="0" pageNumber="95101" pagination="7 - 409" refId="B8135024" refString="Crosnier, A., Forest, J., 1973. Les crevettes profondes de l'Atlantique oriental tropical. Faune Trop ORSTOM 19: 7 - 409" title="Les crevettes profondes de l'Atlantique oriental tropical" volume="19" year="1973">Crosnier and Forest 1973</bibRefCitation>
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,
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Zoologicheskii Zhurnal" pageId="0" pageNumber="95101" pagination="940 - 944" refId="B8135033" refString="Burukovsky, R. N., 2002. Taxonomy of shrimps of the genus Nematocarcinus (Decapoda, Nematocarcinidae). On N. exilis taxonomy status. Zoologicheskii Zhurnal 81: 940 - 944" title="Taxonomy of shrimps of the genus Nematocarcinus (Decapoda, Nematocarcinidae). On N. exilis taxonomy status" volume="81" year="2002">Burukovsky 2002b</bibRefCitation>
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,
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<bibRefCitation author="Komai, T." journalOrPublisher="Crustacean Research" pageId="0" pageNumber="95101" pagination="28 - 41" refId="B8134984" refString="Komai, T., Collins, P., 2009. Two species of caridean shrimps (Decapoda: Hippolytidae and Nematocarcinidae) newly recorded from hydrothermal vents on the Manus Basin, southwestern Pacific. Crustacean Research 38: 28 - 41" title="Two species of caridean shrimps (Decapoda: Hippolytidae and Nematocarcinidae) newly recorded from hydrothermal vents on the Manus Basin, southwestern Pacific" volume="38" year="2009">Komai and Collins 2009</bibRefCitation>
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,
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Prospekt Nauki, Sankt-Peterburg" pageId="0" pageNumber="95101" refId="B8134894" refString="Burukovsky, R. N., 2012. Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology. Prospekt Nauki, Sankt-Peterburg" title="Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology" year="2012">Burukovsky 2012</bibRefCitation>
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). Presently recorded from the Kyushu-Palau Ridge, north-western Pacific.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95101" type="remarks">
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<paragraph pageId="0" pageNumber="95101">Remarks</paragraph>
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<paragraph pageId="0" pageNumber="95101">
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At present, approximately 74.5% of
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<taxonomicName class="Malacostraca" family="Nematocarcinidae" genus="Nematocarcinus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nematocarcinus" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="95101">Nematocarcinus</emphasis>
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</taxonomicName>
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species occur in the Indo-west Pacific origin, but only three species,
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. ensifer" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="ensifer">
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<emphasis italics="true" pageId="0" pageNumber="95101">N. ensifer</emphasis>
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</taxonomicName>
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(SI Smith, 1882),
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. faxoni" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="faxoni">
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<emphasis italics="true" pageId="0" pageNumber="95101">N. faxoni</emphasis>
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</taxonomicName>
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Burukovsky, 2001 and
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. tenuipes" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="tenuipes">
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<emphasis italics="true" pageId="0" pageNumber="95101">N. tenuipes</emphasis>
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</taxonomicName>
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(also occurring in the Indian Ocean), are distributed both in the Atlantic and Pacific Oceans (
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Prospekt Nauki, Sankt-Peterburg" pageId="0" pageNumber="95101" refId="B8134894" refString="Burukovsky, R. N., 2012. Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology. Prospekt Nauki, Sankt-Peterburg" title="Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology" year="2012">Burukovsky 2012</bibRefCitation>
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). Under these conditions, we were hesitant to identify the present specimens as
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">
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<emphasis italics="true" pageId="0" pageNumber="95101">N. exilis</emphasis>
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</taxonomicName>
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at first. However, the features of the present specimens, such as a relatively long rostrum extending beyond the distal end of the antennular peduncle, but falling short of the distal margin of the scaphocerite, continuation of the posterodorsal margin of the third pleomere forming an obtuse angle, pleura of the fifth pleomere with a distinct protuberance on inner sides and arrangement of the spots and setae rows of the distoventral organ, coincide with the re-descriptions of
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">
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<emphasis italics="true" pageId="0" pageNumber="95101">N. exilis</emphasis>
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</taxonomicName>
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by
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Zoologicheskii Zhurnal" pageId="0" pageNumber="95101" pagination="940 - 944" refId="B8135033" refString="Burukovsky, R. N., 2002. Taxonomy of shrimps of the genus Nematocarcinus (Decapoda, Nematocarcinidae). On N. exilis taxonomy status. Zoologicheskii Zhurnal 81: 940 - 944" title="Taxonomy of shrimps of the genus Nematocarcinus (Decapoda, Nematocarcinidae). On N. exilis taxonomy status" volume="81" year="2002">Burukovsky (2002b)</bibRefCitation>
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and
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Prospekt Nauki, Sankt-Peterburg" pageId="0" pageNumber="95101" refId="B8134894" refString="Burukovsky, R. N., 2012. Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology. Prospekt Nauki, Sankt-Peterburg" title="Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology" year="2012">Burukovsky (2012)</bibRefCitation>
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.
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<bibRefCitation author="Komai, T." journalOrPublisher="Crustacean Research" pageId="0" pageNumber="95101" pagination="28 - 41" refId="B8134984" refString="Komai, T., Collins, P., 2009. Two species of caridean shrimps (Decapoda: Hippolytidae and Nematocarcinidae) newly recorded from hydrothermal vents on the Manus Basin, southwestern Pacific. Crustacean Research 38: 28 - 41" title="Two species of caridean shrimps (Decapoda: Hippolytidae and Nematocarcinidae) newly recorded from hydrothermal vents on the Manus Basin, southwestern Pacific" volume="38" year="2009">Komai and Collins (2009)</bibRefCitation>
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reported a closely related species,
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">N. sp. aff. exilis</taxonomicName>
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from the Manus Basin of the south-western Pacific, based on a subadult female. By comparison between the present specimens and the Manus specimen, a number of differences could be found, such as the characters of the rostrum (over-reaching distal end of antennular peduncle by one-third of its length in female, all dorsal teeth articulated or sub-articulated, rostrum apex trifurcated or bifid versus only reaching distal end of antennular peduncle in female, only posteriormost three dorsal teeth articulated, rostrum apex simple), the antepenultimate segment of the third maxilliped (8-9 lateral spines versus 12), the pleuron of the fifih pleomere (armed with prominent posteroventral tooth versus tiny posteroventral tooth), the telson (armed with seven pairs of dorsolateral spines versus five) and the most important, the distoventral organs of the sixth pleomere (setae rows extending to the distal end of spots versus only reaching the anterior ends of the spots), based on which
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Prospekt Nauki, Sankt-Peterburg" pageId="0" pageNumber="95101" refId="B8134894" refString="Burukovsky, R. N., 2012. Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology. Prospekt Nauki, Sankt-Peterburg" title="Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology" year="2012">Burukovsky (2012)</bibRefCitation>
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considered the Manus specimen to be a novel species that differed from
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="N. exilis" order="Decapoda" pageId="0" pageNumber="95101" phylum="Arthropoda" rank="species" species="exilis">
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<emphasis italics="true" pageId="0" pageNumber="95101">N. exilis</emphasis>
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</taxonomicName>
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. In view of the differences discussed above, we agree with the inference of
|
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<bibRefCitation author="Burukovsky, R. N." journalOrPublisher="Prospekt Nauki, Sankt-Peterburg" pageId="0" pageNumber="95101" refId="B8134894" refString="Burukovsky, R. N., 2012. Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology. Prospekt Nauki, Sankt-Peterburg" title="Deep sea shrimps of the family Nematocarcinidae: history of study, systematic, distribution, and biology" year="2012">Burukovsky (2012)</bibRefCitation>
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that the Manus specimen may represent a species unknown to science. However, just as
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<bibRefCitation author="Komai, T." journalOrPublisher="Crustacean Research" pageId="0" pageNumber="95101" pagination="28 - 41" refId="B8134984" refString="Komai, T., Collins, P., 2009. Two species of caridean shrimps (Decapoda: Hippolytidae and Nematocarcinidae) newly recorded from hydrothermal vents on the Manus Basin, southwestern Pacific. Crustacean Research 38: 28 - 41" title="Two species of caridean shrimps (Decapoda: Hippolytidae and Nematocarcinidae) newly recorded from hydrothermal vents on the Manus Basin, southwestern Pacific" volume="38" year="2009">Komai and Collins (2009)</bibRefCitation>
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pointed out that the Manus specimen was a subadult female, more materials are need to clarify its taxonomic status. Partial sequences of COI and 16S rRNA genes of the present specimens were deposited in GenBank for further confirmation (OP093560, OP093561, OP089177, OP089178).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |