262 lines
35 KiB
XML
262 lines
35 KiB
XML
<document id="CEA7AC81DAF0A2045BEF042617CE77E9" ID-CLB-Dataset="29393" ID-DOI="10.11646/zootaxa.4462.3.4" ID-GBIF-Dataset="896825be-23b0-42c1-9c31-64d4f027b0b4" ID-ISSN="1175-5326" ID-Zenodo-Dep="1441701" ID-ZooBank="D9517A3B-9B8B-44A0-AAB7-9670A992D242" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1538404464640" checkinUser="plazi" docAuthor="Grave, Sammy De, Arjun, Charambilly Purushothaman & Raghavan, Rajeev" docDate="2018" docId="0395A375376322231BE98B81FABE4440" docLanguage="en" docName="zootaxa.4462.3.4.pdf" docOrigin="Zootaxa 4462 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Eurindicus Grave & Arjun & Raghavan 2018, gen. nov." docType="treatment" docVersion="7" lastPageNumber="369" masterDocId="FFACDB0D376122201B7E8B16FFBE4620" masterDocTitle="The discovery of Euryrhynchidae (Crustacea: Decapoda) in India, with the description of a new genus and species" masterLastPageNumber="378" masterPageNumber="367" pageNumber="369" updateTime="1698561186617" updateUser="ExternalLinkService">
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<mods:title id="9FC5D80FB923BAEA7E8C80D2A3013F0D">The discovery of Euryrhynchidae (Crustacea: Decapoda) in India, with the description of a new genus and species</mods:title>
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<mods:namePart id="8A0BB665C947471B4C94BB727982EE3C">Grave, Sammy De</mods:namePart>
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<mods:namePart id="B634BD030DA8D743CDA47002CE08FD95">Arjun, Charambilly Purushothaman</mods:namePart>
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<mods:namePart id="FE2C6B48A6FC5A072F70EE53ED0F77AD">Raghavan, Rajeev</mods:namePart>
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<mods:title id="0BF8B01BA65D1F6DA951F7D3F470821E">Zootaxa</mods:title>
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<mods:date id="EDC6439E62445FDCB4B456511182AFD6">2018</mods:date>
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<treatment id="0395A375376322231BE98B81FABE4440" ID-DOI="http://doi.org/10.5281/zenodo.5967856" ID-GBIF-Taxon="148425000" ID-Zenodo-Dep="5967856" LSID="urn:lsid:plazi:treatment:0395A375376322231BE98B81FABE4440" httpUri="http://treatment.plazi.org/id/0395A375376322231BE98B81FABE4440" lastPageId="3" lastPageNumber="369" pageId="2" pageNumber="369">
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<subSubSection id="C32641E8376322221BE98B81FE2D4692" box="[151,403,151,178]" pageId="2" pageNumber="369" type="nomenclature">
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<paragraph id="8B831263376322221BE98B81FE2D4692" blockId="2.[151,403,151,178]" box="[151,403,151,178]" pageId="2" pageNumber="369">
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<heading id="D0CBA50F376322221BE98B81FE2D4692" bold="true" box="[151,403,151,178]" fontSize="11" level="1" pageId="2" pageNumber="369" reason="1">
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<emphasis id="B948CE71376322221BE98B81FE2D4692" bold="true" box="[151,403,151,178]" pageId="2" pageNumber="369">
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<taxonomicName id="4C3C69E0376322221BE98B81FEA04691" ID-CoL="bb7db7f2-d624-4d2e-a17a-d04a7981e4bf" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[151,286,151,177]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B948CE71376322221BE98B81FEA04691" bold="true" box="[151,286,151,177]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27B730A376322221A5B8B8EFE2D4692" box="[293,403,152,178]" pageId="2" pageNumber="369" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C32641E8376322221BE98BC8FC4D46D4" box="[151,1011,222,244]" pageId="2" pageNumber="369" type="materials_examined">
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<paragraph id="8B831263376322221BE98BC8FC4D46D4" blockId="2.[151,1011,222,244]" box="[151,1011,222,244]" pageId="2" pageNumber="369">
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<emphasis id="B948CE71376322221BE98BC8FE9C46D4" bold="true" box="[151,290,222,244]" pageId="2" pageNumber="369">Type species.</emphasis>
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<taxonomicName id="4C3C69E0376322221A578BC8FDB046D4" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[297,526,222,244]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="species" species="bhugarbha" status="sp. nov.">
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<emphasis id="B948CE71376322221A578BC8FDB046D4" box="[297,526,222,244]" italics="true" pageId="2" pageNumber="369">Eurindicus bhugarbha</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27B730A37632222196A8BC8FDDA46D4" box="[532,612,222,244]" pageId="2" pageNumber="369" rank="species">
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<emphasis id="B948CE7137632222196A8BC8FDE146D4" bold="true" box="[532,607,222,244]" pageId="2" pageNumber="369">sp. nov</emphasis>
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.
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</taxonomicNameLabel>
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, by present designation and monotypy.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32641E8376322221BE98A37FBFC4416" pageId="2" pageNumber="369" type="diagnosis">
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<paragraph id="8B831263376322221BE98A37FBFC4416" blockId="2.[151,1437,289,2006]" pageId="2" pageNumber="369">
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<emphasis id="B948CE71376322221BE98A37FE1E471A" bold="true" box="[151,416,289,314]" pageId="2" pageNumber="369">Differential diagnosis.</emphasis>
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RoStrum Smooth, non-dentate on both dorSal and Ventral marginS; diSto-meSial region of ocular peduncleS not anteriorly produced. Fourth thoracic Sternite (maleS) without tranSVerSal ridge or tooth; fifth thoracic Sternite with well-deVeloped tranSVerSal ridge. Upper antennular flagellum biramouS; fuSed portion compriSed of three diViSionS; acceSSory ramuS with four diViSionS; aeSthetaScS on Sub-diStal and diStal diViSion. Third maxilliped with two arthrobranchS. CarpuS of third and fourth pereiopod without cuSpidate Setae on diStoVentral margin; carpuS of third to fifth pereiopod without cuSpidate Setae on dorSal margin. Male Second pleopod with endopod Spatulate, not modified into gonopod, appendix maSculina preSent. Uropodal exopodS with Single cuSpidate Seta on diareSiS, protopod with weakly deVeloped lateral extenSion.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32641E8376322231BB98957FABE4440" lastPageId="3" lastPageNumber="370" pageId="2" pageNumber="369" type="etymology">
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<paragraph id="8B831263376322221BB98957FD114482" blockId="2.[151,1437,289,2006]" pageId="2" pageNumber="369">
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<emphasis id="B948CE71376322221BB98957FEF0447A" bold="true" box="[199,334,577,602]" pageId="2" pageNumber="369">Etymology.</emphasis>
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<taxonomicName id="4C3C69E0376322221A1F8957FE62447A" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[353,476,577,602]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
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<emphasis id="B948CE71376322221A1F8957FE62447A" box="[353,476,577,602]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
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</taxonomicName>
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iS an arbitrary combination of ‘
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<emphasis id="B948CE713763222218F48954FC034479" box="[906,957,578,601]" italics="true" pageId="2" pageNumber="369">Eur-</emphasis>
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’ the firSt three letterS of the family
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<taxonomicName id="4C3C69E0376322221BE98973FEF3445E" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[151,333,613,638]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
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, and ‘-
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<emphasis id="B948CE71376322221AE28973FE53445E" box="[412,493,613,638]" italics="true" pageId="2" pageNumber="369">indicus</emphasis>
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’, from
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<collectingCountry id="F32B52F337632222193A8973FD3E445E" box="[580,640,613,638]" name="India" pageId="2" pageNumber="369">India</collectingCountry>
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, baSed on the geographic diStribution of the genuS, thiS being the firSt record of the family in
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<collectingCountry id="F32B52F3376322221AE4899FFE694482" box="[410,471,649,674]" name="India" pageId="2" pageNumber="369">India</collectingCountry>
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; gender maSculine.
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</paragraph>
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<paragraph id="8B831263376322221BB989BBFB194256" blockId="2.[151,1437,289,2006]" pageId="2" pageNumber="369">
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<emphasis id="B948CE71376322221BB989BBFE0044E6" bold="true" box="[199,446,685,710]" pageId="2" pageNumber="369">Systematic remarks.</emphasis>
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A number of morphological featureS eaSily allow the new genuS to be placed within
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<taxonomicName id="4C3C69E0376322221BE989C7FEF044CA" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[151,334,721,746]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
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. Notably, theSe are the Shape and form of the frontal region of the carapace, including the roStrum; the Shape of the eyeS; the form of the acceSSory ramuS of the upper antennular flagellum; the Shape and ornamentation of the telSon; the characteriStic tranSVerSe ridge on the fifth thoracic Sternite and the lower Surface of the palm and fixed finger of the firSt pereiopod with a well-deVeloped tuft of Serrate Setae. DeSpite the preSence of theSe putatiVe SynapomorphieS,
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<taxonomicName id="4C3C69E0376322221A808877FDC7455A" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[510,633,865,890]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B948CE71376322221A808877FDC7455A" box="[510,633,865,890]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27B730A3763222219FE8877FD54455A" box="[640,746,865,890]" pageId="2" pageNumber="369" rank="genus">
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<emphasis id="B948CE713763222219FE8877FD54455A" bold="true" box="[640,746,865,890]" pageId="2" pageNumber="369">gen. nov.</emphasis>
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</taxonomicNameLabel>
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occupieS an iSolated poSition within the family on account of the upper antennular flagellum and itS acceSSory ramuS being joined oVer three diViSionS (VS. one in all other genera), the preSence of a carpo-propodal bruSh, albeit reduced (VS. abSent in all other genera) and the welldeVeloped branchioStegal grooVe (VS. abSent or poorly deVeloped in all other genera). A further difference with all known genera iS the poorly deVeloped poStero-lateral expanSion on the protopod of the uropod (VS. well-deVeloped in all other genera). The new genuS alSo diSplayS a primitiVe gill formula with pleurobranchS on all ambulatory pereiopodS aS well aS two arthrobranchS on the third maxilliped, only Shared with the
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<collectingRegion id="49F8DC81376322221FDB8F2CFB624272" box="[1189,1244,1082,1106]" country="Cameroon" name="West" pageId="2" pageNumber="369">WeSt</collectingRegion>
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African Surface dwelling
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<taxonomicName id="4C3C69E0376322221A7E8F4BFE014256" authorityName="Powell" authorityYear="1976" box="[256,447,1117,1142]" class="Malacostraca" family="Euryrhynchidae" genus="Euryrhynchoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
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<emphasis id="B948CE71376322221A7E8F4BFE014256" box="[256,447,1117,1142]" italics="true" pageId="2" pageNumber="369">Euryrhynchoides</emphasis>
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</taxonomicName>
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(VS. fewer gillS in the other genera, See
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<bibRefCitation id="EFAD6F923763222218008F4BFB254256" box="[894,1179,1117,1142]" pageId="2" pageNumber="369" refId="ref5648" refString="Pachelle, P. P. G. & Tavares, M. (2018) The freshWater shrimp family Euryrhynchidae Holthuis, 1950 (Crustacea: Decapoda: Caridea) revisited, With a taxonomic revision of the genus Euryrhynchus Miers, 1878. Zootaxa, 4380 (1), 1 - 110. http: // dx. doi. org / 10.11646 / zootaxa. 4380.1" type="journal article">Pachelle & TaVareS 2018</bibRefCitation>
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).
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</paragraph>
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<paragraph id="8B831263376322221BB98F94FA2843B6" blockId="2.[151,1437,289,2006]" pageId="2" pageNumber="369">
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Due to the abSence of comprehenSiVe phylogenetic coVerage encompaSSing all genera, the exact SyStematic poSition of
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<taxonomicName id="4C3C69E0376322221A658FB3FE28429E" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[283,406,1189,1214]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B948CE71376322221A658FB3FE28429E" box="[283,406,1189,1214]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27B730A376322221AE18FB3FDB5429E" box="[415,523,1189,1214]" pageId="2" pageNumber="369" rank="genus">
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<emphasis id="B948CE71376322221AE18FB3FDB5429E" bold="true" box="[415,523,1189,1214]" pageId="2" pageNumber="369">gen. nov.</emphasis>
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</taxonomicNameLabel>
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within
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<taxonomicName id="4C3C69E037632222191B8FB3FCA6429E" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[613,792,1189,1214]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
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cannot herein be reSolVed. HoweVer, the morphological differenceS highlighted aboVe would indicate the genuS to be more likely to be baSal and perhapS moSt cloSely related to the WeSt African genuS
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<taxonomicName id="4C3C69E03763222219508FFBFD684326" authorityName="Powell" authorityYear="1976" box="[558,726,1261,1286]" class="Malacostraca" family="Euryrhynchidae" genus="Euryrhynchina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
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<emphasis id="B948CE713763222219508FFBFD684326" box="[558,726,1261,1286]" italics="true" pageId="2" pageNumber="369">Euryrhynchina</emphasis>
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</taxonomicName>
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with which it ShareS a number of potential SynapomorphieS (endopod of Second male pleopod Spatulate, low number of SpineS on uropodal diareSiS, abSence of Spiniform Setae on the dorSal margin of the dactyli of the third to fifth pereiopodS), although it differS SubStantially from that genuS in the branchial formula, the number of fuSed articleS, aS well aS the number and diSpoSition of the aeSthetaScS on the acceSSory ramuS of the antennular flagellum and the preSence of an appendix interna on the male firSt pleopod.
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</paragraph>
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<paragraph id="8B831263376322221BB98EB4FBC840B2" blockId="2.[151,1437,289,2006]" pageId="2" pageNumber="369">
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A number of preViouS StudieS haVe poStulated that the WeSt African freShwater family
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<taxonomicName id="4C3C69E0376322221FDE8EB7FAE8439A" authorityName="Borradaile" authorityYear="1915" box="[1184,1366,1441,1466]" class="Malacostraca" family="Desmocarididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">DeSmocarididae</taxonomicName>
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could be the SiSter-taxon to
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<taxonomicName id="4C3C69E0376322221AF98ED3FD8343FE" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[391,573,1477,1502]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
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, baSed on morphology (De
|
||
<bibRefCitation id="EFAD6F9237632222180F8ED0FC4943FE" box="[881,1015,1478,1502]" pageId="2" pageNumber="369" refId="ref4730" refString="De Grave, S. (2007) A neW species of Euryrhynchus Miers, With a discussion of the systematic position of the Euryrhynchidae Holthuis (Crustacea, Decapoda). Zoologischer Anzeiger, 246, 193 - 203. https: // doi. org / 10.1016 / j. jcz. 2007.06.002" type="journal article">GraVe 2007</bibRefCitation>
|
||
) aS well aS phylogeneticS (
|
||
<bibRefCitation id="EFAD6F92376322221E5C8ED3FF474022" pageId="2" pageNumber="369" refId="ref4405" refString="Bracken, H. D., De Grave, S. & Felder, D. L. (2009) Phylogeny of the infraorder Caridea based on mitochondrial and nuclear genes (Crustacea: Decapoda). In: Martin, J. W., Crandall, K. A. & Felder, D. L. (Eds.), Decapod Crustacean Phylogenetics. CRC Press, Boca Raton, pp. 281 - 305." type="book chapter">
|
||
Bracken
|
||
<emphasis id="B948CE71376322221EF68ED0FF134022" italics="true" pageId="2" pageNumber="369">et al</emphasis>
|
||
. 2009
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFAD6F92376322221A768EFCFE7D4022" box="[264,451,1513,1538]" pageId="2" pageNumber="369" refId="ref5305" refString="Kou, Q., Li, X., Chan, T. - Y., Chu, K. H. & Gan, Z. (2013) Molecular phylogeny of the superfamily Palaemonoidea (Crustacea: Decapoda: Caridea) based on mitochondrial and nuclear DNA reveals discrepancies With the current classification. Invertebrate Systematics, 27, 502 - 514. https: // doi. org / 10.1071 / IS 13005" type="journal article">
|
||
Kou
|
||
<emphasis id="B948CE71376322221A3C8EFCFEC94022" box="[322,375,1513,1538]" italics="true" pageId="2" pageNumber="369">et al</emphasis>
|
||
. 2013
|
||
</bibRefCitation>
|
||
; De GraVe
|
||
<emphasis id="B948CE713763222219358EFCFD3E4022" box="[587,640,1513,1538]" italics="true" pageId="2" pageNumber="369">et al</emphasis>
|
||
. 2015a). The preSence of a well-deVeloped branchioStegal grooVe in
|
||
<taxonomicName id="4C3C69E0376322221BE98D1BFEAC4006" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[151,274,1549,1574]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B948CE71376322221BE98D1BFEAC4006" box="[151,274,1549,1574]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27B730A376322221A618D1BFE314006" box="[287,399,1549,1574]" pageId="2" pageNumber="369" rank="genus">
|
||
<emphasis id="B948CE71376322221A618D1BFE314006" bold="true" box="[287,399,1549,1574]" pageId="2" pageNumber="369">gen. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
iS howeVer reminiScent of the poSt-antennular Suture in
|
||
<taxonomicName id="4C3C69E0376322221F3C8D1BFB454006" authorityName="Annandale & Kemp" authorityYear="1913" box="[1090,1275,1549,1574]" class="Malacostraca" family="Typhlocarididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Typhlocarididae</taxonomicName>
|
||
, with a clear potential for homology. Although the acceSSory ramuS of the upper antennular flagellum in
|
||
<taxonomicName id="4C3C69E0376322221FE68D27FAAD406A" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[1176,1299,1585,1610]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B948CE71376322221FE68D27FAAD406A" box="[1176,1299,1585,1610]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27B730A376322221E678D27FA3D406A" box="[1305,1411,1585,1610]" pageId="2" pageNumber="369" rank="genus">
|
||
<emphasis id="B948CE71376322221E678D27FA3D406A" bold="true" box="[1305,1411,1585,1610]" pageId="2" pageNumber="369">gen. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
iS clearly homologouS with that obSerVed in the other euryrhynchid genera, the fact that it iS joined oVer three diViSionS with the flagellum may further Support a cloSe relationShip to
|
||
<taxonomicName id="4C3C69E03763222218C78D6FFBCC40B2" authorityName="Annandale & Kemp" authorityYear="1913" box="[953,1138,1657,1682]" class="Malacostraca" family="Typhlocarididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Typhlocarididae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B831263376322231BB98D8BFABE4440" blockId="2.[151,1437,289,2006]" lastBlockId="3.[151,1437,151,608]" lastPageId="3" lastPageNumber="370" pageId="2" pageNumber="369">
|
||
<bibRefCitation id="EFAD6F92376322221BB98D8BFDA74096" box="[199,537,1693,1718]" pageId="2" pageNumber="369" refId="ref5988" refString="Sankolli, K. N. & Shenoy, S. (1979) On a neW genus and a neW species of a subterranean praWn Troglindicus phreaticus (Caridea, Palaemonidae). Bulletin of the Fisheries Faculty, Konkan Agricultural University, India, 1, 83 - 91." type="journal article">Sankolli and Shenoy (1979)</bibRefCitation>
|
||
deScribed a new genuS and SpecieS of Subterranean Shrimp,
|
||
<taxonomicName id="4C3C69E0376322221E718D8BFEB240FA" authorityName="Sankolli & Shenoy" authorityYear="1979" class="Malacostraca" family="Palaemonidae" genus="Troglindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="species" species="phreaticus">
|
||
<emphasis id="B948CE71376322221E718D8BFEB240FA" italics="true" pageId="2" pageNumber="369">Troglindicus phreaticus</emphasis>
|
||
</taxonomicName>
|
||
from a coaStal well in Ratnagiri, MaharaShtra State, which they aSSumed waS allied to the Cuban, Subterranean genuS
|
||
<taxonomicName id="4C3C69E0376322221A078DF3FD9E40DE" authorityName="Holthuis" authorityYear="1949" box="[377,544,1765,1790]" class="Malacostraca" family="Palaemonidae" genus="Troglocubanus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B948CE71376322221A078DF3FD9E40DE" box="[377,544,1765,1790]" italics="true" pageId="2" pageNumber="369">Troglocubanus</emphasis>
|
||
</taxonomicName>
|
||
<bibRefCitation id="EFAD6F923763222219568DF3FD6E40DE" box="[552,720,1765,1790]" pageId="2" pageNumber="369" refId="ref5173" refString="Holthuis, L. B. (1949) Note on the species of Palaemonetes (Crustacea Decapoda) found in the United States of America. Proceedings van de Koninklijke Nederlandsche Akademie van Wetenschappen, 52, 87 - 95." type="journal article">HolthuiS, 1949</bibRefCitation>
|
||
and thuS placed in
|
||
<taxonomicName id="4C3C69E03763222218CC8DF3FBED40DE" authorityName="Rafinesque" authorityYear="1815" box="[946,1107,1765,1790]" class="Malacostraca" family="Palaemonidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Palaemonidae</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EFAD6F92376322221F218DF3FABF40DE" box="[1119,1281,1765,1790]" pageId="2" pageNumber="369" refId="ref5753" refString="Pereira, G. (1997) A cladistic analysis of the freshWater shrimps of the family Palaemonidae (Crustacea, Decapoda, Caridea). Acta Biologica Fenezuelica, 17 (Supplement), 1 - 69." type="journal article">Pereira (1997)</bibRefCitation>
|
||
included thiS genuS in hiS cladiStic Study of
|
||
<taxonomicName id="4C3C69E03763222219608C1FFD054102" authorityName="Rafinesque" authorityYear="1815" box="[542,699,1801,1826]" class="Malacostraca" family="Palaemonidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Palaemonidae</taxonomicName>
|
||
<emphasis id="B948CE713763222219B58C1CFCFB4102" box="[715,837,1801,1826]" italics="true" pageId="2" pageNumber="369">sensu lato</emphasis>
|
||
and reSolVed the taxon to be cloSely related to
|
||
<taxonomicName id="4C3C69E0376322221BE98C3BFEF34166" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[151,333,1837,1862]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
|
||
, albeit in a baSally unreSolVed clade which alSo contained
|
||
<taxonomicName id="4C3C69E03763222218868C3BFB214166" authorityName="Holthuis" authorityYear="1949" box="[1016,1183,1837,1862]" class="Malacostraca" family="Palaemonidae" genus="Troglocubanus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B948CE713763222218868C3BFB214166" box="[1016,1183,1837,1862]" italics="true" pageId="2" pageNumber="369">Troglocubanus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3C69E0376322221FCE8C3BFF71414A" authority="Calman, 1909" authorityName="Calman" authorityYear="1909" class="Malacostraca" family="Typhlocarididae" genus="Typhlocaris" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B948CE71376322221FCE8C3BFA8A4166" box="[1200,1332,1837,1862]" italics="true" pageId="2" pageNumber="369">Typhlocaris</emphasis>
|
||
Calman, 1909
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C3C69E0376322221A7B8C44FECA4149" box="[261,372,1874,1897]" class="Malacostraca" family="Palaemonidae" genus="Creaseria" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B948CE71376322221A7B8C44FECA4149" box="[261,372,1874,1897]" italics="true" pageId="2" pageNumber="369">Creaseria</emphasis>
|
||
</taxonomicName>
|
||
<bibRefCitation id="EFAD6F92376322221A028C47FD98414A" box="[380,550,1873,1898]" pageId="2" pageNumber="369" refId="ref5215" refString="Holthuis, L. B. (1950) The Decapoda of the Siboga Expedition. Part X. The Palaemonidae collected by the Siboga and Snellius expeditions With remarks on other species. I. Subfamily Palaemoninae. Siboga Expeditie, 39 a 9, 1 - 268." type="journal article">HolthuiS, 1950</bibRefCitation>
|
||
. No further StudieS haVe examined the SyStematic poSition of thiS genuS, which waS herein undertaken giVen the geographic proximity and Similar habitat to the type locality of
|
||
<taxonomicName id="4C3C69E0376322221F998C63FADC41AE" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[1255,1378,1909,1934]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B948CE71376322221F998C63FADC41AE" box="[1255,1378,1909,1934]" italics="true" pageId="2" pageNumber="369">Eurindicus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27B730A376322221E158C63FF764192" pageId="2" pageNumber="369" rank="genus">
|
||
<emphasis id="B948CE71376322221E158C63FF764192" bold="true" pageId="2" pageNumber="369">gen. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
BaSed on a direct examination of four paratypeS (RMNH D 35320) it iS eVident that
|
||
<taxonomicName id="4C3C69E0376322221FDA8C8CFA894192" authorityName="Sankolli & Shenoy" authorityYear="1979" box="[1188,1335,1945,1970]" class="Malacostraca" family="Palaemonidae" genus="Troglindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="species" species="phreaticus">
|
||
<emphasis id="B948CE71376322221FDA8C8CFA894192" box="[1188,1335,1945,1970]" italics="true" pageId="2" pageNumber="369">T. phreaticus</emphasis>
|
||
</taxonomicName>
|
||
ShareS a number of putatiVe SynapomorphieS with
|
||
<taxonomicName id="4C3C69E03763222219038CABFC8D41F6" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[637,819,1981,2006]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="369" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
|
||
, notably the preSence of a well-deVeloped tranSVerSe ridge on the fifth thoracic Sternite, the well-deVeloped bruSh on the palm and fixed finger of the firSt pereiopod, a well-deVeloped poStero-lateral expanSion on the protopod of the uropod (leSS deVeloped in
|
||
<taxonomicName id="4C3C69E0376222231FDB8BAAFA9E46F5" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[1189,1312,188,213]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="370" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B948CE71376222231FDB8BAAFA9E46F5" box="[1189,1312,188,213]" italics="true" pageId="3" pageNumber="370">Eurindicus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27B730A376222231E568BAAFA2D46F5" box="[1320,1427,188,213]" pageId="3" pageNumber="370" rank="genus">
|
||
<emphasis id="B948CE71376222231E568BAAFA2D46F5" bold="true" box="[1320,1427,188,213]" pageId="3" pageNumber="370">gen. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
) and the Shape and ornamentation of the telSon, with itS typical euryrhynchid diStal margin. HoweVer, it iS noticeably different in the form of the acceSSory ramuS of the upper antennular flagellum, which conSiStS of 15 free, non-conical diViSionS with 2-3 pairS of aeSthetaScS on all diViSionS. Two further SimilaritieS Shared with
|
||
<taxonomicName id="4C3C69E0376222231E5F8A31FA224760" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[1313,1436,295,320]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="370" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B948CE71376222231E5F8A31FA224760" box="[1313,1436,295,320]" italics="true" pageId="3" pageNumber="370">Eurindicus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27B730A376222231BE98A5AFEBE4745" box="[151,256,332,357]" pageId="3" pageNumber="370" rank="genus">
|
||
<emphasis id="B948CE71376222231BE98A5AFEBE4745" bold="true" box="[151,256,332,357]" pageId="3" pageNumber="370">gen. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
are that the joined portion of the upper antennular flagellum conSiStS of three diViSionS and the preSence of a well-defined branchioStegal grooVe. It iS thuS SeemS eVident that
|
||
<taxonomicName id="4C3C69E03762222318E58A79FB9647A8" authorityName="Sankolli & Shenoy" authorityYear="1979" box="[923,1064,367,392]" class="Malacostraca" family="Palaemonidae" genus="Troglindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="370" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B948CE713762222318E58A79FB9647A8" box="[923,1064,367,392]" italics="true" pageId="3" pageNumber="370">Troglindicus</emphasis>
|
||
</taxonomicName>
|
||
iS phylogenetically cloSely allied to
|
||
<taxonomicName id="4C3C69E0376222231BC88A82FED2478D" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[182,364,404,429]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="370" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
|
||
. HoweVer, the genuS iS herein not formally tranSferred to that family, aS that would negate a further defining Synapomorphy of
|
||
<taxonomicName id="4C3C69E037622223195E8AA1FD6847F0" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[544,726,439,464]" class="Malacostraca" family="Euryrhynchidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="370" phylum="Arthropoda" rank="family">Euryrhynchidae</taxonomicName>
|
||
, notably the unique Shape of the acceSSory ramuS of the upper antennular flagellum. NeVertheleSS, aS a preViouSly SuggeSted Synapomorphy, the Single jointed diViSion in the upper antennular flagellum, waS negated by the diScoVery of
|
||
<taxonomicName id="4C3C69E037622223181E8AE9FC654438" authority="Grave & Arjun & Raghavan, 2018" authorityName="Grave & Arjun & Raghavan" authorityYear="2018" box="[864,987,511,536]" class="Malacostraca" family="Euryrhynchidae" genus="Eurindicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="370" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B948CE7137622223181E8AE9FC654438" box="[864,987,511,536]" italics="true" pageId="3" pageNumber="370">Eurindicus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27B730A37622223189B8AE9FBEF4438" box="[997,1105,511,536]" pageId="3" pageNumber="370" rank="genus">
|
||
<emphasis id="B948CE7137622223189B8AE9FBEF4438" bold="true" box="[997,1105,511,536]" pageId="3" pageNumber="370">gen. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, it iS unclear where the true circumScription of the family now lieS. GiVen the high leVel of morphological homoplaSieS at higher SyStematic leVelS within Caridea, thiS can only be fully reSolVed by a targeted molecular phylogenetic approach.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |