234 lines
28 KiB
XML
234 lines
28 KiB
XML
<document id="B2C8F9EAD74424D7961C2E846EFEF82C" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629851220340" checkinUser="felipe" docAuthor="Hou, Z. & Li, S." docDate="2004" docId="03AA878AC432FFCABFC0275AFBB1FB09" docLanguage="en" docName="JNatHist.38.21.2733-2757.pdf" docOrigin="Journal of Natural History 38" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Gammarus shenmuensis Hou & Li 2004, n. sp." docType="treatment" docVersion="3" lastPageNumber="2741" masterDocId="FF93FFF2C430FFC3BE21224FFFFFFF86" masterDocTitle="Three new species of Gammarus from Shaanxi, China (Crustacea: Amphipoda: Gammaridae)" masterLastPageNumber="2757" masterPageNumber="2733" pageNumber="2734" updateTime="1699121385602" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:mods id="71839810EDBB35AABCA6E4E8E403110E" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="D96991AD23C765FE065B5A86D0AF3FB6">
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<mods:title id="B514D7B631468307ADD5F51558839ED5">Three new species of Gammarus from Shaanxi, China (Crustacea: Amphipoda: Gammaridae)</mods:title>
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</mods:titleInfo>
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<mods:name id="1BEE792E0087F547F4ECF7C291C8668F" type="personal">
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<mods:role id="B669D31C96EA4E4A76DF79C5DA93E94A">
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<mods:roleTerm id="F47DE1424A558C7F14A684C3F63229E1">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="06F8764630142ECE8A9B8BE7CF4EEBE9">Hou, Z.</mods:namePart>
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</mods:name>
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<mods:name id="33727862EAFB11B0B9D5E6D74836C308" type="personal">
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<mods:role id="89E61DD61FE0B7E8D2F37DDB78069285">
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<mods:roleTerm id="1A418A96E0D6112CDB325EE910B22282">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="87681EFC50B4094177FC85666F21EC9C">Li, S.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="3C8E3D8B99C42A74885BB8CD03DE05DE">text</mods:typeOfResource>
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<mods:titleInfo id="1C8439CE1E5AA8CB1AAE15E5EFA8B1B9">
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<mods:title id="0272E622C72E2EDC8E6F0E55AF40CD0C">Journal of Natural History</mods:title>
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</mods:titleInfo>
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<mods:part id="B74E5224CA80C0A2A5A3F43038A858B6">
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<mods:date id="4FEDAF08E066CEE2C3EA944EE75EB1C7">2004</mods:date>
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<mods:detail id="76D2FA0B90532AB76B9B52BAB29D7880" type="volume">
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<mods:number id="488B0890F6DB833A0910CA2C4058E301">38</mods:number>
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</mods:detail>
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<mods:extent id="3D9B9C5F025F16055C1B1470E18CB5CA" unit="page">
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<mods:start id="90105633ACE007AA8461742305B9565D">2733</mods:start>
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<mods:end id="81F72324A232A970E07E025CF066005B">2757</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:classification id="89540FB2934189EC430DF53520F601E3">journal article</mods:classification>
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<mods:identifier id="AD49416C303A8E397C220E40EA4A0816" type="ISSN">1464-5262</mods:identifier>
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</mods:mods>
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<treatment id="03AA878AC432FFCABFC0275AFBB1FB09" ID-DOI="http://doi.org/10.5281/zenodo.5252822" ID-Zenodo-Dep="5252822" LSID="urn:lsid:plazi:treatment:03AA878AC432FFCABFC0275AFBB1FB09" httpUri="http://treatment.plazi.org/id/03AA878AC432FFCABFC0275AFBB1FB09" lastPageId="9" lastPageNumber="2741" pageId="2" pageNumber="2734">
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<subSubSection id="C3196517C432FFC1BFC0275AFD2EFACA" pageId="2" pageNumber="2734" type="nomenclature">
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<paragraph id="8BBC369CC432FFC1BFC0275AFCC8FAAB" blockId="2.[481,823,1301,1325]" box="[481,823,1301,1325]" pageId="2" pageNumber="2734">
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<heading id="D0F481F0C432FFC1BFC0275AFCC8FAAB" box="[481,823,1301,1325]" centered="true" fontSize="10" level="2" pageId="2" pageNumber="2734" reason="5">
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<taxonomicName id="4C034D1FC432FFC1BFC0275AFD13FAAB" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[481,748,1301,1325]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="2" pageNumber="2734" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">
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<emphasis id="B977EA8EC432FFC1BFC0275AFD13FAAB" bold="true" box="[481,748,1301,1325]" italics="true" pageId="2" pageNumber="2734">Gammarus shenmuensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24457F5C432FFC1BCD7275AFCC8FAAB" box="[758,823,1301,1325]" pageId="2" pageNumber="2734" rank="species">n. sp.</taxonomicNameLabel>
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</heading>
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</paragraph>
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<paragraph id="8BBC369CC432FFC1BC69277BFD2EFACA" blockId="2.[584,721,1332,1356]" box="[584,721,1332,1356]" pageId="2" pageNumber="2734">(figures 1–5)</paragraph>
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</subSubSection>
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<subSubSection id="C3196517C432FFCABEE32724FBB1FB09" lastPageId="9" lastPageNumber="2741" pageId="2" pageNumber="2734" type="materials_examined">
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<paragraph id="8BBC369CC432FFC1BEE32724FDEAF985" blockId="2.[154,1111,1387,1732]" pageId="2" pageNumber="2734">
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||
<emphasis id="B977EA8EC432FFC1BEE32724FE53FA05" box="[194,428,1387,1411]" italics="true" pageId="2" pageNumber="2734">Material examined.</emphasis>
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<materialsCitation id="3B6B3CC1C432FFC1BFE32724FC2EFA25" collectingDate="1995-05-29" county="Shenmu County" location="Doumaogou" pageId="2" pageNumber="2734" specimenCount="1" stateProvince="Shaanxi" typeStatus="holotype">
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One male (
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<typeStatus id="54B8883EC432FFC1BC7F273FFD36FA07" box="[606,713,1392,1409]" pageId="2" pageNumber="2734" type="holotype">HOLOTYPE</typeStatus>
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), a spring from
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<location id="8EDC6047C432FFC1BD9E2724FBADFA05" LSID="urn:lsid:plazi:treatment:03AA878AC432FFCABFC0275AFBB1FB09:8EDC6047C432FFC1BD9E2724FBADFA05" box="[959,1106,1387,1411]" county="Shenmu County" name="Doumaogou" pageId="2" pageNumber="2734" stateProvince="Shaanxi">Doumaogou</location>
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,
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<collectingCounty id="62DD4E10C432FFC1BEBB27C4FEA5FA25" box="[154,346,1419,1443]" pageId="2" pageNumber="2734">Shenmu County</collectingCounty>
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(38.8
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<emphasis id="B977EA8EC432FFC1BF8027C4FE54FA25" bold="true" box="[417,427,1419,1443]" pageId="2" pageNumber="2734">‡</emphasis>
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N, 110.4
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<emphasis id="B977EA8EC432FFC1BC3227C4FDE2FA25" bold="true" box="[531,541,1419,1443]" pageId="2" pageNumber="2734">‡</emphasis>
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E),
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<collectingRegion id="49C7F87EC432FFC1BC6F27C4FCE1FA25" box="[590,798,1419,1443]" country="China" name="Shaanxi" pageId="2" pageNumber="2734">Shaanxi Province</collectingRegion>
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,
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<date id="FFBD105CC432FFC1BD1027C4FC2EFA25" box="[817,977,1419,1443]" pageId="2" pageNumber="2734" value="1995-05-29">
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<collectingDate id="EFF9E9B4C432FFC1BD1027C4FC2EFA25" box="[817,977,1419,1443]" pageId="2" pageNumber="2734" value="1995-05-29">29 May 1995</collectingDate>
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</date>
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</materialsCitation>
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.
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<materialsCitation id="3B6B3CC1C432FFC1BDC227C4FDEEF985" collectingDate="1995-05-25" county="Jingbian County" location="Baiyushan Mt" municipality="Four" pageId="2" pageNumber="2734" specimenCount="2" specimenCount-female="2" stateProvince="Shaanxi" typeStatus="paratype">
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One male and
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<specimenCount id="9D05FD15C432FFC1BEF427E4FE9CFA45" box="[213,355,1451,1475]" pageId="2" pageNumber="2734" type="female">five females</specimenCount>
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(
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<typeStatus id="54B8883EC432FFC1BF5D27FFFE10FA47" box="[380,495,1456,1473]" pageId="2" pageNumber="2734" type="paratype">PARATYPES</typeStatus>
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), the same collection data.
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<collectingMunicipality id="6BD8ACE6C432FFC1BD7627E4FC6FFA45" box="[855,912,1451,1475]" pageId="2" pageNumber="2734">Four</collectingMunicipality>
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males and
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<specimenCount id="9D05FD15C432FFC1BA0C27E4FF17FA65" pageId="2" pageNumber="2734" type="female">one female</specimenCount>
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, a spring from
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<location id="8EDC6047C432FFC1BFED2784FD81FA65" LSID="urn:lsid:plazi:treatment:03AA878AC432FFCABFC0275AFBB1FB09:8EDC6047C432FFC1BFED2784FD81FA65" box="[460,638,1483,1507]" county="Jingbian County" municipality="Four" name="Baiyushan Mt" pageId="2" pageNumber="2734" stateProvince="Shaanxi">Baiyushan Mt</location>
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,
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<collectingCounty id="62DD4E10C432FFC1BCB92784FC9CFA65" box="[664,867,1483,1507]" pageId="2" pageNumber="2734">Jingbian County</collectingCounty>
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(37.5
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<emphasis id="B977EA8EC432FFC1BD902784FC44FA65" bold="true" box="[945,955,1483,1507]" pageId="2" pageNumber="2734">‡</emphasis>
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N, 108.8
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<emphasis id="B977EA8EC432FFC1BA0B2784FBCBFA65" bold="true" box="[1066,1076,1483,1507]" pageId="2" pageNumber="2734">‡</emphasis>
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E),
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<collectingRegion id="49C7F87EC432FFC1BEBB27A4FE98F985" box="[154,359,1515,1539]" country="China" name="Shaanxi" pageId="2" pageNumber="2734">Shaanxi Province</collectingRegion>
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,
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<date id="FFBD105CC432FFC1BF5427A4FDEEF985" box="[373,529,1515,1539]" pageId="2" pageNumber="2734" value="1995-05-25">
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<collectingDate id="EFF9E9B4C432FFC1BF5427A4FDEEF985" box="[373,529,1515,1539]" pageId="2" pageNumber="2734" value="1995-05-25">25 May 1995</collectingDate>
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</date>
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8BBC369CC432FFC1BEE32443FBAAF9A2" blockId="2.[154,1111,1387,1732]" box="[194,1109,1548,1572]" pageId="2" pageNumber="2734">
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<emphasis id="B977EA8EC432FFC1BEE32443FEBDF9A2" box="[194,322,1548,1572]" italics="true" pageId="2" pageNumber="2734">Etymology.</emphasis>
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This new species is named after its
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<typeStatus id="54B8883EC432FFC1BCD02443FCDEF9A2" box="[753,801,1548,1572]" pageId="2" pageNumber="2734">type</typeStatus>
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locality, Shenmu County.
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</paragraph>
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<paragraph id="8BBC369CC432FFC1BEE32463FC23F942" blockId="2.[154,1111,1387,1732]" pageId="2" pageNumber="2734">
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<emphasis id="B977EA8EC432FFC1BEE32463FEC9F9C2" box="[194,310,1580,1604]" italics="true" pageId="2" pageNumber="2734">Diagnosis.</emphasis>
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Antennae 1 and 2 stout, poorly setose (figure 2A, B). Gnathopods 1 and 2 of male without medial spine on propodus palm margin (figure 2C–F), propodus palm of gnathopod 1 not oblique (figure 2D, F). Pereopods 5–7 stout (figure 4A–C). Outer ramus of uropod 2 marginally bare (figure 5F). Article 2 of outer ramus in uropod 3 reaching one-third of article 1 (figure 3D, H).
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</paragraph>
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<caption id="DF7C6614C433FFC0BEBE242EFDE1F941" pageId="3" pageNumber="2735" startId="3.[159,175,1633,1655]" targetBox="[175,1098,172,1609]" targetPageId="3">
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<paragraph id="8BBC369CC433FFC0BEBE242EFDE1F941" blockId="3.[159,1115,1633,1735]" pageId="3" pageNumber="2735">
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FIG. 1.
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<taxonomicName id="4C034D1FC433FFC0BED9242EFE1AF9F0" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[248,485,1633,1654]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="3" pageNumber="2735" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">
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||
<emphasis id="B977EA8EC433FFC0BED9242EFE1AF9F0" box="[248,485,1633,1654]" italics="true" pageId="3" pageNumber="2735">Gammarus shenmuensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24457F5C433FFC0BFCC242EFDD8F9F1" box="[493,551,1633,1655]" pageId="3" pageNumber="2735" rank="species">n. sp.</taxonomicNameLabel>
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, male, 6.3 mm. (A) Left mandible; (B) epimeral plates; (C) head; (D) urosomites (dorsal view); (E) lower lip; (F) upper lip; (G) maxilla 2; (H) outer plate of right maxilla 1; (I) palp of right maxilla 1; (J) maxilliped; (K) left maxilla 1; (L) right mandible.
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</paragraph>
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</caption>
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<caption id="DF7C6614C434FFC7BEB82430FD56F94C" pageId="4" pageNumber="2736" startId="4.[153,169,1663,1685]" targetBox="[161,1108,166,1634]" targetPageId="4">
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<paragraph id="8BBC369CC434FFC7BEB82430FD56F94C" blockId="4.[153,1110,1663,1738]" pageId="4" pageNumber="2736">
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FIG. 2.
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<taxonomicName id="4C034D1FC434FFC7BED22430FE17F912" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[243,488,1663,1684]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="4" pageNumber="2736" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">
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<emphasis id="B977EA8EC434FFC7BED22430FE17F912" box="[243,488,1663,1684]" italics="true" pageId="4" pageNumber="2736">Gammarus shenmuensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24457F5C434FFC7BFD92430FDC4F913" box="[504,571,1663,1685]" pageId="4" pageNumber="2736" rank="species">n. sp.</taxonomicNameLabel>
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, male, 6.3 mm. (A) Antenna 1; (B) antenna 2; (C) gnathopod 2; (D) gnathopod 1; (E) propodus of gnathopod 2; (F) propodus of gnathopod 1; (G) urosomites (lateral view).
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</paragraph>
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</caption>
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<caption id="DF7C6614C435FFC6BEBE2433FE86F94E" pageId="5" pageNumber="2737" startId="5.[159,175,1660,1682]" targetBox="[164,1112,165,1633]" targetPageId="5">
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<paragraph id="8BBC369CC435FFC6BEBE2433FE86F94E" blockId="5.[159,1116,1660,1736]" pageId="5" pageNumber="2737">
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FIG. 3.
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<taxonomicName id="4C034D1FC435FFC6BED82432FE13F914" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[249,492,1661,1682]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="5" pageNumber="2737" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">
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<emphasis id="B977EA8EC435FFC6BED82432FE13F914" box="[249,492,1661,1682]" italics="true" pageId="5" pageNumber="2737">Gammarus shenmuensis</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A24457F5C435FFC6BFDB2433FDC7F914" box="[506,568,1660,1682]" pageId="5" pageNumber="2737" rank="species">n. sp.</taxonomicNameLabel>
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(A–D) male; (E–H) female. (A) Pereopod 4; (B) pereopod 3; (C) uropod 1; (D) uropod 3; (E) pleopod 2; (F) pleopod 3; (G) pleopod 1; (H) uropod 3.
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</paragraph>
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||
</caption>
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||
<caption id="DF7C6614C436FFC5BEBB24CAFDF9F956" pageId="6" pageNumber="2738" startId="6.[154,170,1669,1691]" targetBox="[156,1109,164,1643]" targetPageId="6">
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||
<paragraph id="8BBC369CC436FFC5BEBB24CAFDF9F956" blockId="6.[154,1111,1669,1744]" pageId="6" pageNumber="2738">
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FIG. 4.
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<taxonomicName id="4C034D1FC436FFC5BED524CAFE18F91C" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[244,487,1669,1690]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="6" pageNumber="2738" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">
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||
<emphasis id="B977EA8EC436FFC5BED524CAFE18F91C" box="[244,487,1669,1690]" italics="true" pageId="6" pageNumber="2738">Gammarus shenmuensis</emphasis>
|
||
</taxonomicName>
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||
<taxonomicNameLabel id="A24457F5C436FFC5BFD424CAFDCAF91D" box="[501,565,1669,1691]" pageId="6" pageNumber="2738" rank="species">n. sp.</taxonomicNameLabel>
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, male, 6.3 mm. (A) Pereopod 6; (B) pereopod 5; (C) pereopod 7; (D) telson; (E) dactylus of pereopod 5; (F) dactylus of pereopod 6; (G) dactylus of pereopod 7.
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</paragraph>
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</caption>
|
||
<caption id="DF7C6614C437FFC4BEBE24C9FC63F954" pageId="7" pageNumber="2739" startId="7.[159,175,1670,1692]" targetBox="[163,1115,166,1644]" targetPageId="7">
|
||
<paragraph id="8BBC369CC437FFC4BEBE24C9FC63F954" blockId="7.[159,1116,1670,1746]" pageId="7" pageNumber="2739">
|
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FIG. 5.
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<taxonomicName id="4C034D1FC437FFC4BED824C8FE15F91A" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[249,490,1671,1692]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="2739" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">
|
||
<emphasis id="B977EA8EC437FFC4BED824C8FE15F91A" box="[249,490,1671,1692]" italics="true" pageId="7" pageNumber="2739">Gammarus shenmuensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A24457F5C437FFC4BFD424C9FDCDF91A" box="[501,562,1670,1692]" pageId="7" pageNumber="2739" rank="species">n. sp.</taxonomicNameLabel>
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(A–E, G) female; (F) male. (A) Gnathopod 1; (B) gnathopod 2; (C) propodus of gnathopod 1; (D) propodus of gnathopod 1 (inner face); (E) propodus of gnathopod 2; (F) uropod 2; (G) uropod 1.
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</paragraph>
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</caption>
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<paragraph id="8BBC369CC438FFCBBEE322E1FD96FE0E" blockId="8.[154,1111,173,1732]" pageId="8" pageNumber="2740">
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||
<emphasis id="B977EA8EC438FFCBBEE322E1FEB6FF40" box="[194,329,174,198]" italics="true" pageId="8" pageNumber="2740">Description.</emphasis>
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Male (
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<typeStatus id="54B8883EC438FFCBBF8022E2FDF6FF43" box="[417,521,173,197]" pageId="8" pageNumber="2740" type="holotype">holotype</typeStatus>
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||
, IZCAS-I-A0045)
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<quantity id="4CFB9B79C438FFCBBCC522E2FCC5FF43" box="[740,826,173,197]" metricMagnitude="-3" metricUnit="m" metricValue="6.3" pageId="8" pageNumber="2740" unit="mm" value="6.3">6.3 mm</quantity>
|
||
. Eyes medium and oval (figure 1C). Inferior antennal sinus deep (figure 1C). Antenna 1 (figure 2A): peduncular articles 1–3 length ratio 1:0.55:0.36, article 1 stout; primary flagellum with 13 articles, most articles with aesthetascs; accessory flagellum with two articles. Antenna 2 (figure 2B): peduncular article 4 about as long as article 5, both bearing two to three groups of setae on ventral margin; flagellum with eight articles, each article setose, calceoli absent.
|
||
</paragraph>
|
||
<paragraph id="8BBC369CC438FFCBBEE323DEFDFBFC88" blockId="8.[154,1111,173,1732]" pageId="8" pageNumber="2740">
|
||
Upper lip convex, with minute setae (figure 1F). Left mandible (figure 1A): incisor with five teeth; lacinia mobilis with four weak dentitions; molar triturative; article 2 of palp about 1.12 times as long as article 3, bearing five short and four long setae; article 3 with three A-setae, two B-setae, a row of D-setae and three E-setae (according to
|
||
<bibRefCitation id="EF924B6DC438FFCBBC00205CFD5BFDAD" author="COLE, G. A." box="[545,676,531,555]" pageId="8" pageNumber="2740" pagination="68 - 83" refId="ref6032" refString="COLE, G. A., 1980, The mandibular palps of North American freshwater species of Gammarus, Crustaceana, 6 (Suppl.), 68 - 83." type="journal article" year="1980">Cole, 1980</bibRefCitation>
|
||
). Right mandible (figure 1L): incisor with four teeth; lacinia mobilis bifurcate, with many teeth; molar with one long seta. Lower lip (figure 1E): inner lobe absent. Maxilla 1 (figure 1H, I, K): inner plate bearing 11 plumose setae; outer plate with 11 serrated spines; article 2 of left palp bearing five sharp spines and one seta; article 2 of right palp bearing five blunt spines and one seta. Maxilla 2 (figure 1G): inner plate with nine plumose setae on inner surface. Maxilliped (figure 1J): inner plate with three stout spines and one subdistal spine.
|
||
</paragraph>
|
||
<paragraph id="8BBC369CC438FFCBBEE32158FDA4FC36" blockId="8.[154,1111,173,1732]" pageId="8" pageNumber="2740">Coxal plates 1–3 subrectangular (figures 2C, D, 3B), bearing three setae and one seta on anterior and posterior corners, respectively. Coxal plate 4 excavated (figure 3A), with one seta on anterior corner and four setae on posterior margin, respectively. Coxal plates 5–7 shallow (figure 4A–C), bearing two setae on posterior margin. Coxal gills 2–7 sac-like.</paragraph>
|
||
<paragraph id="8BBC369CC438FFCBBEE321F7FCDEFBB5" blockId="8.[154,1111,173,1732]" pageId="8" pageNumber="2740">Gnathopod 1 (figure 2D, F): palm of propodus not steeply oblique, bearing four spines on posterior corner. Gnathopod 2 (figure 2C, E): carpus and propodus elongate, palm of propodus truncate, bearing four spines on inner margin. Both gnathopods without medial palmar spine on propodus.</paragraph>
|
||
<paragraph id="8BBC369CC438FFCBBEE32674FEA8FABC" blockId="8.[154,1111,173,1732]" pageId="8" pageNumber="2740">Pereopods 3–4 poorly setose (figure 3A, B), with straight setae on posterior margin, carpus shorter than merus and propodus. Pereopods 5–7 stout (figure 4A– C, E–G), progressively longer. Anterior margin of bases weakly convex, bearing one or two long setae and three to five spines; posterior margin nearly straight in pereopods 5 and 6, processed in pereopod 7, with about 10 short setae on posterior margin. Merus to propodus mainly with two to three groups of spines on anterior margins. Dactylus bearing one plumose seta on outer margin and one or two setae at hinge of nail.</paragraph>
|
||
<paragraph id="8BBC369CC438FFCBBEE3270DFE24FA79" blockId="8.[154,1111,173,1732]" pageId="8" pageNumber="2740">Epimeral plates 1–3 progressively acuminate posteriorly (figure 1B), bearing setules on posterior margin. Epimeral plate 1 with six setae on ventral margin; epimeral plate 2 with two short spines on ventral margin; epimeral plate 3 bearing one spine on ventral margin. Pleopods 1–3 subequal (figure 3E–G), peduncle with some setae, bearing two retinaculae accompanied by one or two setae; both rami fringed with plumose setae.</paragraph>
|
||
<paragraph id="8BBC369CC438FFCABEE32448FF20FE81" blockId="8.[154,1111,173,1732]" lastBlockId="9.[159,1116,174,1167]" lastPageId="9" lastPageNumber="2741" pageId="8" pageNumber="2740">Urosomites 1–3 with long spines dorsally (figures 1D, 2G). Uropod 1 (figure 3C): peduncle bearing one basofacial spine, with marginal spines; outer ramus with one spine on each side; inner ramus with one spine on inner margin. Uropod 2 (figure 5F): peduncle with marginal spines; outer ramus marginally bare; inner ramus with one marginal spine. Uropod 3 (figure 3D): inner ramus 0.62 times as long as article 1 of outer ramus, bearing two distal spines; article 1 of outer ramus with groups of spines on outer margin, article 2 about 0.35 times as long as article 1; both rami with some plumose setae.</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE62340FD52FEC1" blockId="9.[159,1116,174,1167]" pageId="9" pageNumber="2741">Telson cleft (figure 4D), each lobe with two distal spines and one short basofacial spine accompanied by some setae.</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE6231FFD08FE6F" blockId="9.[159,1116,174,1167]" pageId="9" pageNumber="2741">
|
||
<emphasis id="B977EA8EC439FFCABEE6231FFEA8FEEE" box="[199,343,336,360]" italics="true" pageId="9" pageNumber="2741">Dimorphism.</emphasis>
|
||
Female,
|
||
<quantity id="4CFB9B79C439FFCABFF62300FDD2FEE1" box="[471,557,335,359]" metricMagnitude="-3" metricUnit="m" metricValue="6.1" pageId="9" pageNumber="2741" unit="mm" value="6.1">6.1 mm</quantity>
|
||
. Gnathopod 1 (figure 5A, C, D) similar to gnathopod 2, carpus and propodus in length ratio 1:1.13, palm of propodus oblique, bearing seven sharp spines on posterior corner. Gnathopod 2 (figure 5B, E): carpus about as long as propodus, parallel-sided; palm of propodus transverse, bearing one sharp spine on posterior corner.
|
||
</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE623BEFF20FD6B" blockId="9.[159,1116,174,1167]" pageId="9" pageNumber="2741">Pereopods 3–4 bearing some straight setae on posterior margins, carpus shorter than adjacent articles of merus and propodus, especially in pereopod 4. Uropod 3 (figure 3H): peduncle with one dorsal spine and some setae; inner ramus 0.66 times as long as article 1 of outer ramus, bearing one lateral spine and one distal spine; article 1 of outer ramus with two marginal spines and two pairs of distal spines, article 2 elongate, reaching one-third of article 1; both margins of inner ramus and inner margin of outer ramus with some plumose setae.</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE620BAFD84FC8B" blockId="9.[159,1116,174,1167]" box="[199,635,757,781]" pageId="9" pageNumber="2741">Oostegites present on pereopods 2–5.</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE6215AFC18FCAB" blockId="9.[159,1116,174,1167]" box="[199,999,789,813]" pageId="9" pageNumber="2741">
|
||
<emphasis id="B977EA8EC439FFCABEE6215AFED9FCAB" box="[199,294,789,813]" italics="true" pageId="9" pageNumber="2741">Habitat.</emphasis>
|
||
Individuals of this species were found in mountain springs.
|
||
</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE6217AFE45FBC9" blockId="9.[159,1116,174,1167]" pageId="9" pageNumber="2741">
|
||
<emphasis id="B977EA8EC439FFCABEE6217AFDADFCCB" box="[199,594,821,845]" italics="true" pageId="9" pageNumber="2741">
|
||
Remarks.
|
||
<taxonomicName id="4C034D1FC439FFCABF63217AFDADFCCB" authority="Hou & Li, 2004" authorityName="Hou & Li" authorityYear="2004" box="[322,594,821,845]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="shenmuensis" status="sp. nov.">Gammarus shenmuensis</taxonomicName>
|
||
</emphasis>
|
||
<taxonomicNameLabel id="A24457F5C439FFCABC42217AFD56FCCB" box="[611,681,821,845]" pageId="9" pageNumber="2741" rank="species">n. sp.</taxonomicNameLabel>
|
||
is similar to species of the genus
|
||
<taxonomicName id="4C034D1FC439FFCABEBE2119FDD9FCEB" authority="Martynov, 1924" authorityName="Martynov" authorityYear="1924" box="[159,550,853,878]" class="Malacostraca" family="Pontogammaridae" genus="Stenogammarus" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B977EA8EC439FFCABEBE2119FEAEFCE8" box="[159,337,854,878]" italics="true" pageId="9" pageNumber="2741">Stenogammarus</emphasis>
|
||
<bibRefCitation id="EF924B6DC439FFCABF42211AFDD9FCEB" author="MARTYNOV, A. V." box="[355,550,853,877]" pageId="9" pageNumber="2741" pagination="1 - 115" refId="ref6832" refString="MARTYNOV, A. V., 1924, Etudes sur les Crustacees de mer du basin du bas Don et leur distribution ethologique, Akedemiia Nauk SSSR, Leningrad, Ezhegodnik Zoologicheskogo Muzeja, 25, 1 - 115, pl. 1." type="journal article" year="1924">Martynov, 1924</bibRefCitation>
|
||
</taxonomicName>
|
||
, in subequal gnathopods 1 and 2, propodus palm without medial spine; outer ramus of uropod 2 with few spines; article 2 of outer ramus of uropod 3 elongate, attaining one-third of article 1.
|
||
<taxonomicName id="4C034D1FC439FFCABDC221D8FED9FC49" authorityName="Hou & Li" authorityYear="2004" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="shenmuensis">
|
||
<emphasis id="B977EA8EC439FFCABDC221D8FED9FC49" italics="true" pageId="9" pageNumber="2741">Gammarus shenmuensis</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C034D1FC439FFCABFC221F8FD09FC49" box="[483,758,951,975]" class="Malacostraca" family="Pontogammaridae" genus="Stenogammarus" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B977EA8EC439FFCABFC221F8FD6AFC49" box="[483,661,951,975]" italics="true" pageId="9" pageNumber="2741">Stenogammarus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
in peduncular article 2 of antenna 1 being about half the length of article 1 (peduncular article 2 of antenna 1 being less than one-third of article
|
||
<quantity id="4CFB9B79C439FFCABCD521B9FCD6FB88" box="[756,809,1014,1038]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="9" pageNumber="2741" unit="in" value="1.0">1 in</quantity>
|
||
<taxonomicName id="4C034D1FC439FFCABD1A21B8FBAFFB88" box="[827,1104,1014,1039]" class="Malacostraca" family="Pontogammaridae" genus="Stenogammarus" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B977EA8EC439FFCABD1A21B8FC12FB89" box="[827,1005,1015,1039]" italics="true" pageId="9" pageNumber="2741">Stenogammarus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
); urosomites with dorsal spines and setae (scarcely setulate or weakly spinose in
|
||
<taxonomicName id="4C034D1FC439FFCABEBE2678FE51FBC9" box="[159,430,1079,1103]" class="Malacostraca" family="Pontogammaridae" genus="Stenogammarus" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B977EA8EC439FFCABEBE2678FEAEFBC9" box="[159,337,1079,1103]" italics="true" pageId="9" pageNumber="2741">Stenogammarus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BBC369CC439FFCABEE62618FBB1FB09" blockId="9.[159,1116,174,1167]" pageId="9" pageNumber="2741">
|
||
<taxonomicName id="4C034D1FC439FFCABEE62618FE36FBE9" authorityName="Hou & Li" authorityYear="2004" box="[199,457,1111,1135]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="shenmuensis">
|
||
<emphasis id="B977EA8EC439FFCABEE62618FE36FBE9" box="[199,457,1111,1135]" italics="true" pageId="9" pageNumber="2741">Gammarus shenmuensis</emphasis>
|
||
</taxonomicName>
|
||
differs from other
|
||
<taxonomicName id="4C034D1FC439FFCABC822618FC92FBE8" box="[675,877,1110,1135]" class="Malacostraca" family="Gammaridae" genus="Gammarus" kingdom="Animalia" order="Tanaidacea" pageId="9" pageNumber="2741" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B977EA8EC439FFCABC822618FCE6FBE9" box="[675,793,1111,1135]" italics="true" pageId="9" pageNumber="2741">Gammarus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
by subequal gnathopods 1 and 2, propodus without medial palmar spine; article 2 of uropod 3 elongate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |