255 lines
34 KiB
XML
255 lines
34 KiB
XML
<document id="71D10D4A00C638C1BAF1C29791DA63BD" ID="10.11646/zootaxa.4231.3.4SLASH10133" ID-CLB-Dataset="36567" ID-DOI="10.11646/zootaxa.4231.3.4" ID-GBIF-Dataset="a12ece36-7000-40b7-b10d-c42d8f4ae990" ID-ISSN="1175-5326" ID-Zenodo-Dep="291302" ID-ZooBank="218A3EB6-901B-4D44-9940-E63E651810EE" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1486974584112" checkinUser="plazi" docAuthor="Poore, Gary C. B." docDate="2017" docId="0396CF17680BFFF41DD730DDFD9CFD1D" docLanguage="en" docName="zootaxa.4231.3.4SLASH10133.pdf" docOrigin="Zootaxa 4231 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Eiconaxius vaubani Poore, 2017, sp. nov." docType="treatment" docVersion="9" lastPageNumber="375" masterDocId="FFAFB76F6803FFFF1D40314EFF9BFFD1" masterDocTitle="Synonymy and problematic species of Eiconaxius Spence Bate, 1888, with descriptions of new species (Crustacea: Decapoda: Axiidea: Axiidae)" masterLastPageNumber="376" masterPageNumber="364" pageNumber="372" updateTime="1698436828311" updateUser="ExternalLinkService">
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<mods:titleInfo id="376A71DEBF5327197E86E67DDD948423">
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<mods:title id="FAE1575959A85003046B314CB4E8BE20">Synonymy and problematic species of Eiconaxius Spence Bate, 1888, with descriptions of new species (Crustacea: Decapoda: Axiidea: Axiidae)</mods:title>
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<mods:name id="13C5268F0E49852A0C253DDE8B85A44C" type="personal">
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<mods:roleTerm id="A171474E70895E376E99792951A4C71B">Author</mods:roleTerm>
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<mods:namePart id="8523EAF3BD8E8C63984C45F5D9C88507">Poore, Gary C. B.</mods:namePart>
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<mods:typeOfResource id="9C5D0A587277469C2D8CCC24DD12695C">text</mods:typeOfResource>
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<mods:title id="568B1AA3A25360DDB683D6B3DD2336C0">Zootaxa</mods:title>
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<mods:part id="DF169D2317653331291AD5C70DA33A6A">
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<mods:date id="D3079DBFE2A7A546FBC8036DF93428D4">2017</mods:date>
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<mods:number id="C1313ED11974F0BDC6619C5641CF85E8">4231</mods:number>
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<mods:detail id="5DC3EF2E2D2C0C4C6210C419BCB11CC2" type="issue">
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<mods:number id="69D935A8E47E1269A79F53390BDC6690">3</mods:number>
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<mods:end id="71BCB2C6036906F3DF4B524E51AAE777">376</mods:end>
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<mods:classification id="8EA2728D5EF91D4ECC73E796CC527453">journal article</mods:classification>
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<mods:identifier id="A33C6B7127BB5E20261521FD97D42624" type="CLB-Dataset">36567</mods:identifier>
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<mods:identifier id="373DEEA822861FD9A5961CE44D63893E" type="DOI">10.11646/zootaxa.4231.3.4</mods:identifier>
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<mods:identifier id="F6109F8DCBC2692C269A9B6324981C62" type="GBIF-Dataset">a12ece36-7000-40b7-b10d-c42d8f4ae990</mods:identifier>
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<mods:identifier id="9C44A49D972116762DC1DAB5137A7292" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="8A961F2F49C9BC24D6CDF741B1B41EA6" type="Zenodo-Dep">291302</mods:identifier>
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<treatment id="0396CF17680BFFF41DD730DDFD9CFD1D" ID-DOI="http://doi.org/10.5281/zenodo.6035701" ID-GBIF-Taxon="127694886" ID-Zenodo-Dep="6035701" LSID="urn:lsid:plazi:treatment:0396CF17680BFFF41DD730DDFD9CFD1D" httpUri="http://treatment.plazi.org/id/0396CF17680BFFF41DD730DDFD9CFD1D" lastPageId="11" lastPageNumber="375" pageId="8" pageNumber="372">
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<subSubSection id="C3252D8A680BFFF71DD730DDFE90FE1E" pageId="8" pageNumber="372" type="nomenclature">
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<paragraph id="8B807E01680BFFF71DD730DDFE76FE7F" blockId="8.[151,493,403,463]" box="[151,493,403,430]" pageId="8" pageNumber="372">
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<heading id="D0C8C96D680BFFF71DD730DDFE76FE7F" bold="true" box="[151,493,403,430]" fontSize="11" level="1" pageId="8" pageNumber="372" reason="1">
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<emphasis id="B94BA213680BFFF71DD730DDFE76FE7F" bold="true" box="[151,493,403,430]" pageId="8" pageNumber="372">
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<taxonomicName id="4C3F0582680BFFF71DD730DDFE12FE7C" ID-CoL="259616a5-4924-464c-8ca0-de5a050ae0b9" box="[151,393,403,429]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="372" phylum="Arthropoda" rank="species" species="vaubani" status="sp. nov.">
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<emphasis id="B94BA213680BFFF71DD730DDFE12FE7C" bold="true" box="[151,393,403,429]" italics="true" pageId="8" pageNumber="372">Eiconaxius vaubani</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2781F68680BFFF71CD030DAFE76FE7F" box="[400,493,404,430]" pageId="8" pageNumber="372" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B807E01680BFFF71DD730F8FE90FE1E" blockId="8.[151,493,403,463]" box="[151,267,438,463]" pageId="8" pageNumber="372">
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(
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<figureCitation id="13046284680BFFF71DDF30F8FE99FE1E" box="[159,258,438,463]" captionStart-0="FIGURE 4" captionStart-1="FIGURE 5" captionStart-2="FIGURE 6" captionStartId-0="8.[151,250,1440,1462]" captionStartId-1="9.[151,250,1716,1738]" captionStartId-2="10.[151,250,1881,1903]" captionTargetBox-0="[151,1436,911,1418]" captionTargetId-0="figure@8.[151,1436,911,1418]" captionTargetPageId-0="8" captionText-0="FIGURE 4. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, b, habitus. c, d, mesial views of major and minor chelipeds respectively. e, f, lateral views of major and minor chelipeds respectively. Photos by N. Mollaret, MNHN." captionText-1="FIGURE 5. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, habitus. b, anterior dorsal carapace, left antennule and antenna peduncles. c, thoracic sternites 5 – 8, coxae of pereopods 2 – 5 (p 1 – p 2), pleonal sternites 1, 2, pleopod 1 (pl 1), attachment site of pleopod 2 (pl 2). d, telson, right uropod. e, f, right pereopod 1 (major cheliped), lateral and mesial views. g, h, left pereopod 1 (minor cheliped), lateral and mesial views. Scale bar = 1 mm (except b)." captionText-2="FIGURE 6. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, b, pereopod 2 with details of fingers. c, d, pereopod 3 with detail of dactylus. e, f, pereopod 4 with detail of dactylus. g, h, pereopod 5 with detail of dactylus. i, pleopod 2. Scale bar = 1 mm (except details)." httpUri-0="https://zenodo.org/record/291303/files/figure.png" pageId="8" pageNumber="372">Figs 4–6</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C3252D8A680BFFF71DD730B0FB35FDEA" pageId="8" pageNumber="372" type="materials_examined">
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<paragraph id="8B807E01680BFFF71DD730B0FB35FDEA" blockId="8.[151,1436,510,859]" pageId="8" pageNumber="372">
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<materialsCitation id="3B57745C680BFFF71DD730B0FB35FDEA" ID-GBIF-Occurrence="1434499402" collectionCode="MNHN, IU-" collectorName="RV Vauban & Tabachnik" country="Madagascar" elevation="255" latitude="-26.348333" location="Madagascar" longLatPrecision="834" longitude="47.35" pageId="8" pageNumber="372" specimenCode="IU-2016-8133" specimenCount="2" typeStatus="holotype">
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<emphasis id="B94BA213680BFFF71DD730B0FEDBFDC6" bold="true" box="[151,320,510,535]" pageId="8" pageNumber="372">
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<typeStatus id="5484C0A3680BFFF71DD730B0FF49FDC6" box="[151,210,510,535]" pageId="8" pageNumber="372">Type</typeStatus>
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material
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</emphasis>
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.
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<typeStatus id="5484C0A3680BFFF71C1130B0FE26FDC6" box="[337,445,510,535]" pageId="8" pageNumber="372" type="holotype">Holotype</typeStatus>
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:
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<collectingCountry id="F3283E91680BFFF71C8A30B0FDCFFDC6" box="[458,596,510,535]" name="Madagascar" pageId="8" pageNumber="372">Madagascar</collectingCountry>
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. Off SE coast,
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<geoCoordinate id="EE0B18C6680BFFF71E4530B0FCEFFDC6" box="[773,884,510,535]" direction="south" orientation="latitude" pageId="8" pageNumber="372" precision="92" value="-26.348333">25°80.9'S</geoCoordinate>
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,
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<geoCoordinate id="EE0B18C6680BFFF71EC230B1FC46FDC6" box="[898,989,511,535]" direction="east" orientation="longitude" pageId="8" pageNumber="372" precision="925" value="47.35">47°21'E</geoCoordinate>
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,
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<quantity id="4CC7D3E4680BFFF71EAC30B0FBACFDC7" box="[1004,1079,510,535]" metricMagnitude="2" metricUnit="m" metricValue="2.55" pageId="8" pageNumber="372" unit="m" value="255.0">
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<elevation id="00129932680BFFF71EAC30B0FBACFDC7" box="[1004,1079,510,535]" metricMagnitude="2" metricUnit="m" metricValue="2.55" pageId="8" pageNumber="372" unit="m" value="255.0">255 m</elevation>
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</quantity>
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,
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<collectorName id="26CA1BD7680BFFF7190630B1FB53FDC7" box="[1094,1224,510,534]" pageId="8" pageNumber="372">
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RV
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<emphasis id="B94BA213680BFFF7193430B0FB53FDC7" box="[1140,1224,510,534]" italics="true" pageId="8" pageNumber="372">Vauban</emphasis>
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</collectorName>
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stn 65,
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<collectorName id="26CA1BD7680BFFF7186830B0FA07FDC6" box="[1320,1436,510,535]" pageId="8" pageNumber="372">Tabachnik</collectorName>
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colln, 1994, in external canal of hexactinellid sponge,
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<collectionCode id="ED2EE6C4680BFFF71FB6336DFCD0FDEB" box="[758,843,547,570]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="8" pageNumber="372">MNHN</collectionCode>
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<specimenCode id="DB99D67A680BFFF71E13336CFC68FDEA" box="[851,1011,546,571]" collectionCode="IU-" pageId="8" pageNumber="372">
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<collectionCode id="ED2EE6C4680BFFF71E13336CFCE1FDEA" box="[851,890,546,571]" pageId="8" pageNumber="372">IU-</collectionCode>
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2016-8133
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</specimenCode>
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(male,
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<quantity id="4CC7D3E4680BFFF71908336DFB39FDEA" box="[1096,1186,547,571]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" pageId="8" pageNumber="372" unit="mm" value="3.8">3.8 mm</quantity>
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).
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</materialsCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C3252D8A680BFFF51D873308FB7FFDC9" lastPageId="10" lastPageNumber="374" pageId="8" pageNumber="372" type="description">
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<paragraph id="8B807E01680BFFF71D873308FBA3FC8A" blockId="8.[151,1436,510,859]" pageId="8" pageNumber="372">
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||
<emphasis id="B94BA213680BFFF71D873308FDB5FD8E" bold="true" box="[199,558,582,607]" pageId="8" pageNumber="372">
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Description of male
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<typeStatus id="5484C0A3680BFFF71C883308FDB5FD8E" box="[456,558,582,607]" pageId="8" pageNumber="372" type="holotype">holotype</typeStatus>
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</emphasis>
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. Carapace smooth. Rostrum 0.2 times length of carapace length, concave dorsally, apex depressed below level of median carina, tapering to acute tip from lateral base of eyes, median distal ridge vertical-oblique, with small tooth, lateral margins converging, meeting median anterior rostral ridge at their most elevated level, unarmed, continuous with lateral gastric carinae. Lateral gastric carina unarmed, reaching about halfway to cervical groove. Submedian gastric carina smooth, obsolete, together converging on sharp median corner. Median gastric carina an obsolete broad triangular plate. Pleuron 1 triangular; pleuron 2 oblique-truncate, posteroventrally with sharp angle; pleura 3–4 truncate, posteroventrally acutely produced, each with minute anteroventral tooth; pleuron 6 subacute; pleonite 6 dorsal posterior margin smooth.
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</paragraph>
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<caption id="DF402E89680BFFF71DD734EEFAB5FA05" httpUri="https://zenodo.org/record/291303/files/figure.png" pageId="8" pageNumber="372" targetBox="[151,1436,911,1418]" targetPageId="8">
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<paragraph id="8B807E01680BFFF71DD734EEFAB5FA05" blockId="8.[151,1435,1440,1492]" pageId="8" pageNumber="372">
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<emphasis id="B94BA213680BFFF71DD734EEFE97FA64" bold="true" box="[151,268,1440,1462]" pageId="8" pageNumber="372">FIGURE 4</emphasis>
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.
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<taxonomicName id="4C3F0582680BFFF71C5834EFFE7BFA64" box="[280,480,1440,1462]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="372" phylum="Arthropoda" rank="species" species="vaubani" status="sp. nov.">
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<emphasis id="B94BA213680BFFF71C5834EFFE7BFA64" box="[280,480,1440,1462]" italics="true" pageId="8" pageNumber="372">Eiconaxius vaubani</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2781F68680BFFF71CA634EEFDACFA64" box="[486,567,1440,1461]" pageId="8" pageNumber="372" rank="species">
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<emphasis id="B94BA213680BFFF71CA634EEFDACFA64" bold="true" box="[486,567,1440,1461]" pageId="8" pageNumber="372">sp. nov.</emphasis>
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</taxonomicNameLabel>
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Holotype, MNHN IU-2016-8133. a, b, habitus. c, d, mesial views of major and minor chelipeds respectively. e, f, lateral views of major and minor chelipeds respectively. Photos by N. Mollaret, MNHN.
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</paragraph>
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</caption>
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<paragraph id="8B807E01680BFFF71D8734B2FC15F951" blockId="8.[151,1437,1532,2024]" pageId="8" pageNumber="372">Eyestalk, little more than half length of rostrum; cornea unpigmented. Antennular peduncle reaching to end of antennal article 4; article 1 unarmed. Antennal article 1 unarmed; article 2 stylocerite a vertical blade, reaching to midpoint of article 4; scaphocerite a vertical blade, reaching just beyond end of article 4; articles 3 and 4 unarmed. Maxilliped 3 endopod missing on both sides, with elongate exopod.</paragraph>
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<paragraph id="8B807E01680BFFF71D8737C2FB30F8E5" blockId="8.[151,1437,1532,2024]" pageId="8" pageNumber="372">Major cheliped ischium lower margin irregularly toothed; merus lower margin with 1 small distal tooth, upper margin convex; carpus lower margin with 1 distal tooth; propodus upper margin length 1.25 times greatest height; upper margin smooth, ending in 2 short carinae, lower margin smooth; fixed finger 0.4 times as long as upper palm, cutting edge with irregular rounded teeth, most prominent over proximal third; dactylus upper margin strongly convex, with double carinae, cutting edge irregular, most prominent tooth truncate near apex.</paragraph>
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<paragraph id="8B807E01680BFFF61D873671FDDDFF04" blockId="8.[151,1437,1532,2024]" lastBlockId="9.[151,1436,151,213]" lastPageId="9" lastPageNumber="373" pageId="8" pageNumber="372">Minor cheliped more slender than major; ischium lower margin with small distal tooth; merus upper margin convex, lower margin with 3 small teeth; carpus lower margin with 1 distal tooth; propodus upper margin length 1.2 times greatest height; upper margin smooth, lower margin smooth, lateral face with oblique ridge running on to fixed finger and ending in 2 blunt teeth; mesial face with oblique curved ridge running on to fixed finger and ending in blunt tooth, distal margin (dactylus articulation) oblique, with 2 minute teeth laterally, with 2 small teeth mesially; fixed finger third length of upper palm, cutting edge with irregular teeth; dactylus tapering, cutting edge with basal tubercle, otherwise smooth.</paragraph>
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<caption id="DF402E89680AFFF61DD737FAFB16F8F7" pageId="9" pageNumber="373">
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<paragraph id="8B807E01680AFFF61DD737FAFB16F8F7" blockId="9.[151,1436,1716,1830]" pageId="9" pageNumber="373">
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<emphasis id="B94BA213680AFFF61DD737FAFE89F918" bold="true" box="[151,274,1716,1738]" pageId="9" pageNumber="373">FIGURE 5</emphasis>
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.
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<taxonomicName id="4C3F0582680AFFF61C6537FBFE6FF918" box="[293,500,1716,1738]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="373" phylum="Arthropoda" rank="species" species="vaubani" status="sp. nov.">
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<emphasis id="B94BA213680AFFF61C6537FBFE6FF918" box="[293,500,1716,1738]" italics="true" pageId="9" pageNumber="373">Eiconaxius vaubani</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2781F68680AFFF61CBF37FAFDCEF918" box="[511,597,1716,1737]" pageId="9" pageNumber="373" rank="species">
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<emphasis id="B94BA213680AFFF61CBF37FAFDCEF918" bold="true" box="[511,597,1716,1737]" pageId="9" pageNumber="373">sp. nov.</emphasis>
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</taxonomicNameLabel>
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Holotype, MNHN IU-2016-8133. a, habitus. b, anterior dorsal carapace, left antennule and antenna peduncles. c, thoracic sternites 5–8, coxae of pereopods 2–5 (p1–p2), pleonal sternites 1, 2, pleopod 1 (pl1), attachment site of pleopod 2 (pl2). d, telson, right uropod. e, f, right pereopod 1 (major cheliped), lateral and mesial views. g, h, left pereopod 1 (minor cheliped), lateral and mesial views. Scale bar = 1 mm (except b).
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</paragraph>
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</caption>
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<paragraph id="8B807E01680AFFF51D873603FAF2FF26" blockId="9.[151,1436,1869,2038]" lastBlockId="10.[151,1436,151,645]" lastPageId="10" lastPageNumber="374" pageId="9" pageNumber="373">Pereopod 2 ischium lower margin unarmed; merus lower margin unarmed; carpus 1.2 times length of propodus upper margin; propodus upper margin 1.3 times as long as dactylus. Pereopod 3 merus unarmed, widest at midpoint, 3.3 times as long as wide; propodus 2.0 times as long as dactylus, with 6 transverse rows of 2 or 3 spiniform setae; dactylus ovate, with 7 marginal spiniform setae along oblique margin, plus unguis, 13 facial spiniform setae in rows of 8 and 4. Pereopod 4 merus unarmed, parallel-sided, 5.2 times as long as wide; dactylus ovate, with 7 spiniform setae along oblique margin, plus unguis, 16 facial setae in irregular rows of 9 and 7. Pereopod 5 propodus 2.3 times as long as dactylus, simple, distally densely setose, with 1 distal spiniform seta; dactylus spatulate, with 7 spiniform setae along oblique margin, plus unguis, 4 facial spiniform setae in 1 row.</paragraph>
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<paragraph id="8B807E016809FFF51D87304AFB5FFEEE" blockId="10.[151,1436,151,645]" pageId="10" pageNumber="374">Pleopod 1 a simple elongate article. Pleopods 2–5 each with appendix interna 0.3 length of endopod. Pleopod 2 of male appendix masculina 0.9 times as long as appendix interna, broader, with terminal setae.</paragraph>
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<paragraph id="8B807E016809FFF51D873002FB7FFDC9" blockId="10.[151,1436,151,645]" pageId="10" pageNumber="374">Telson 1.1 times as long as wide, widest proximally, then tapering evenly to 0.7 of maximum width, lateral margin with irregular small teeth, distal margin a shallow obtuse angle between weak distolateral teeth, with pair of distolateral spiniform setae, with posteromedian spine; dorsal face with 3 pairs of small spines. Uropodal endopod 2.0 times as long as wide, elongate-oval, with 11 teeth along anterior margin, most distal ones larger and produced beyond curved posterior margin. Uropodal exopod 1.45 times as long as wide, oval with c. 15 small irregular teeth on anterior margin, last tooth distal, with apical spiniform setae, posterior margin convex, smooth.</paragraph>
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</subSubSection>
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||
<subSubSection id="C3252D8A6809FFF51D87336AFB4CFDED" box="[199,1239,548,573]" pageId="10" pageNumber="374" type="etymology">
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<paragraph id="8B807E016809FFF51D87336AFB4CFDED" blockId="10.[151,1436,151,645]" box="[199,1239,548,573]" pageId="10" pageNumber="374">
|
||
<emphasis id="B94BA2136809FFF51D87336AFEDDFDEC" bold="true" box="[199,326,548,573]" pageId="10" pageNumber="374">Etymology</emphasis>
|
||
. The species is named for the French oceanographic research vessel, RV
|
||
<emphasis id="B94BA2136809FFF5193C336AFB4BFDED" box="[1148,1232,548,572]" italics="true" pageId="10" pageNumber="374">Vauban</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3252D8A6809FFF51D873309FF67FD54" pageId="10" pageNumber="374" type="distribution">
|
||
<paragraph id="8B807E016809FFF51D873309FF67FD54" blockId="10.[151,1436,151,645]" pageId="10" pageNumber="374">
|
||
<emphasis id="B94BA2136809FFF51D873309FEC2FDB1" bold="true" box="[199,345,583,608]" pageId="10" pageNumber="374">Distribution</emphasis>
|
||
. Off
|
||
<collectingCountry id="F3283E916809FFF51CD73309FDBBFDB1" box="[407,544,583,608]" name="Madagascar" pageId="10" pageNumber="374">Madagascar</collectingCountry>
|
||
, SE coast,
|
||
<quantity id="4CC7D3E46809FFF51FDF3309FD70FD8E" box="[671,747,583,608]" metricMagnitude="2" metricUnit="m" metricValue="2.55" pageId="10" pageNumber="374" unit="m" value="255.0">255 m</quantity>
|
||
; in canal of hexactinellid sponge (known only from the
|
||
<typeStatus id="5484C0A36809FFF5182C3306FA07FDB1" box="[1388,1436,584,608]" pageId="10" pageNumber="374">type</typeStatus>
|
||
locality).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF402E896809FFF51DD73617FE69F87D" pageId="10" pageNumber="374">
|
||
<paragraph id="8B807E016809FFF51DD73617FE69F87D" blockId="10.[151,1436,1881,1964]" pageId="10" pageNumber="374">
|
||
<emphasis id="B94BA2136809FFF51DD73617FE8BF8BF" bold="true" box="[151,272,1881,1903]" pageId="10" pageNumber="374">FIGURE 6</emphasis>
|
||
.
|
||
<taxonomicName id="4C3F05826809FFF51C603614FE76F8BF" box="[288,493,1881,1903]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="374" phylum="Arthropoda" rank="species" species="vaubani" status="sp. nov.">
|
||
<emphasis id="B94BA2136809FFF51C603614FE76F8BF" box="[288,493,1881,1903]" italics="true" pageId="10" pageNumber="374">Eiconaxius vaubani</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2781F686809FFF51CB63617FDD0F8BF" box="[502,587,1881,1902]" pageId="10" pageNumber="374" rank="species">
|
||
<emphasis id="B94BA2136809FFF51CB63617FDD0F8BF" bold="true" box="[502,587,1881,1902]" pageId="10" pageNumber="374">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
Holotype, MNHN IU-2016-8133. a, b, pereopod 2 with details of fingers. c, d, pereopod 3 with detail of dactylus. e, f, pereopod 4 with detail of dactylus. g, h, pereopod 5 with detail of dactylus. i, pleopod 2. Scale bar = 1 mm (except details).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C3252D8A6808FFF41D8731D9FD9CFD1D" pageId="11" pageNumber="375" type="discussion">
|
||
<paragraph id="8B807E016808FFF41D8731D9FB73FD55" blockId="11.[151,1437,151,717]" pageId="11" pageNumber="375">
|
||
<emphasis id="B94BA2136808FFF41D8731D9FEAFFF61" bold="true" box="[199,308,151,176]" pageId="11" pageNumber="375">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="4C3F05826808FFF41C0331D6FDBAFF61" box="[323,545,152,176]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="species" species="vaubani">
|
||
<emphasis id="B94BA2136808FFF41C0331D6FDBAFF61" box="[323,545,152,176]" italics="true" pageId="11" pageNumber="375">Eiconaxius vaubani</emphasis>
|
||
</taxonomicName>
|
||
is an atypical species of
|
||
<taxonomicName id="4C3F05826808FFF41E7E31D6FC21FF7E" box="[830,954,152,175]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF41E7E31D6FC21FF7E" box="[830,954,152,175]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
but shares with all others no suture on the uropodal exopodal, no supraocular spines and submedian gastric carinae, an unarmed lateral gastric carina, swollen chelipeds and spatulate dactylus on pereopod 5, pleopods 3–5 with appendices internae and an appendix masculina on the male pleopod 2. It differs from all other species most obviously in the shape of the rostrum, chelipeds and pereopod 4. The apex of the rostrum of typical species of
|
||
<taxonomicName id="4C3F05826808FFF41E7F3066FC27FEEE" box="[831,956,296,319]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF41E7F3066FC27FEEE" box="[831,956,296,319]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
is formed of the confluence of its lateral margins (e.g.,
|
||
<figureCitation id="130462846808FFF41C7E3002FE13FEB5" box="[318,392,332,357]" captionStart="FIGURE 2" captionStartId="5.[151,250,1720,1742]" captionText="FIGURE 2. Eiconaxius parvus Spence Bate, 1888. Male, MNHN IU- 2016 - 8025. a, habitus. b, dorsal anterior carapace, right antennule, antenna peduncles. c, telson, right uropod. d, major cheliped, lateral. e, major cheliped propodus, dactylus, mesial. f, minor cheliped, lateral. g, minor cheliped propodus, dactylus, mesial. Female, MNHN IU- 2016 - 8026. h, major cheliped propodus, dactylus, lateral. i, minor cheliped propodus, dactylus, lateral. j, minor cheliped propodus, dactylus, mesial. k, telson. Scale bar = 1 mm." pageId="11" pageNumber="375">Figs 2</figureCitation>
|
||
a, b). The rostrum of
|
||
<taxonomicName id="4C3F05826808FFF41FC63003FC98FEB5" box="[646,771,332,356]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="species" species="vaubani">
|
||
<emphasis id="B94BA2136808FFF41FC63003FC98FEB5" box="[646,771,332,356]" italics="true" pageId="11" pageNumber="375">E. vaubani</emphasis>
|
||
</taxonomicName>
|
||
is produced anteroventrally beyond the confluence of its lateral margins (
|
||
<figureCitation id="130462846808FFF41C0F3021FE03FE59" box="[335,408,367,392]" captionStart="FIGURE 4" captionStartId="8.[151,250,1440,1462]" captionTargetBox="[151,1436,911,1418]" captionTargetId="figure@8.[151,1436,911,1418]" captionTargetPageId="8" captionText="FIGURE 4. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, b, habitus. c, d, mesial views of major and minor chelipeds respectively. e, f, lateral views of major and minor chelipeds respectively. Photos by N. Mollaret, MNHN." httpUri="https://zenodo.org/record/291303/files/figure.png" pageId="11" pageNumber="375">Figs 4</figureCitation>
|
||
a, b, 5a, b). The fixed finger of the minor cheliped of
|
||
<taxonomicName id="4C3F05826808FFF41EBB303FFBEEFE59" box="[1019,1141,368,392]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="species" species="vaubani">
|
||
<emphasis id="B94BA2136808FFF41EBB303FFB97FE59" box="[1019,1036,369,392]" italics="true" pageId="11" pageNumber="375">E</emphasis>
|
||
.
|
||
<emphasis id="B94BA2136808FFF4195B303EFBEEFE59" box="[1051,1141,368,392]" italics="true" pageId="11" pageNumber="375">vaubani</emphasis>
|
||
</taxonomicName>
|
||
is triangular with a broad base as in typical
|
||
<taxonomicName id="4C3F05826808FFF41C2D30DBFE71FE7D" box="[365,490,405,428]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF41C2D30DBFE71FE7D" box="[365,490,405,428]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
but is one third of the length of the upper palm (
|
||
<figureCitation id="130462846808FFF4197730DAFB1FFE7D" box="[1079,1156,404,429]" captionStart="FIGURE 4" captionStartId="8.[151,250,1440,1462]" captionTargetBox="[151,1436,911,1418]" captionTargetId="figure@8.[151,1436,911,1418]" captionTargetPageId="8" captionText="FIGURE 4. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, b, habitus. c, d, mesial views of major and minor chelipeds respectively. e, f, lateral views of major and minor chelipeds respectively. Photos by N. Mollaret, MNHN." httpUri="https://zenodo.org/record/291303/files/figure.png" pageId="11" pageNumber="375">Figs 4</figureCitation>
|
||
,
|
||
<figureCitation id="130462846808FFF419D430DAFB3BFE7C" box="[1172,1184,404,429]" captionStart="FIGURE 3" captionStartId="6.[151,250,1478,1500]" captionText="FIGURE 3. Eiconaxius parvus Spence Bate, 1888. Male, MNHN IU- 2016 - 8025. a, maxilliped 3. b, pereopod 2. c, d, pereopod 3 with detail of dactylus. e, f, pereopod 4 with detail of dactylus. g, h, pereopod 5 with detail of dactylus. Scale bar = 2 mm (except details)." pageId="11" pageNumber="375">3</figureCitation>
|
||
e–h) whereas in most
|
||
<taxonomicName id="4C3F05826808FFF41DD730F6FE8FFE1E" box="[151,276,440,463]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF41DD730F6FE8FFE1E" box="[151,276,440,463]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
the fixed finger is as long or longer than the palm. Two species of
|
||
<taxonomicName id="4C3F05826808FFF4195B30F6FB0CFE1E" box="[1051,1175,440,463]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF4195B30F6FB0CFE1E" box="[1051,1175,440,463]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
are exceptional in this regard: the fixed finger of
|
||
<taxonomicName id="4C3F05826808FFF41C8F3093FD70FE24" authority="Kensley, 1996" authorityName="Kensley" authorityYear="1996" box="[463,747,476,501]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="species" species="kimbla">
|
||
<emphasis id="B94BA2136808FFF41C8F3093FDA5FE25" box="[463,574,476,500]" italics="true" pageId="11" pageNumber="375">E. kimbla</emphasis>
|
||
<bibRefCitation id="EFAE03F06808FFF41F073092FD70FE24" author="Kensley" box="[583,747,476,501]" pageId="11" pageNumber="375" refString="Kensley, B. (1996) New thalassinidean shrimp from the Pacific Ocean (Crustacea: Decapoda: Axiidae and Calocarididae). Bulletin of Marine Science, 59, 469 - 489. Avaliable from: https: // repository. si. edu / handle / 10088 / 10978 (Accessed 10 Feb. 2017)" type="journal article" year="1996">Kensley, 1996</bibRefCitation>
|
||
</taxonomicName>
|
||
(male pleopod 1 absent), and of
|
||
<taxonomicName id="4C3F05826808FFF419313093FA07FE25" authority="Sakai, 2011" authorityName="Sakai" authorityYear="2011" box="[1137,1436,476,501]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="species" species="heinrichi">
|
||
<emphasis id="B94BA2136808FFF419313093FB62FE25" box="[1137,1273,476,500]" italics="true" pageId="11" pageNumber="375">E. heinrichi</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAE03F06808FFF4184B3092FA0EFE25" author="Sakai" box="[1291,1429,476,501]" pageId="11" pageNumber="375" refString="Sakai, K. (2011) Axioidea of the world and a reconsideration of the Callianassoidea (Decapoda, Thalassinidea, Callianassida). Crustaceana Monographs, 13, 1 - 616." type="journal article" year="2011">Sakai, 2011</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
(male pleopod 1 present) are significantly shorter than the upper palm. The merus of pereopod 4 of
|
||
<taxonomicName id="4C3F05826808FFF41846334FFA1AFDC9" box="[1286,1409,512,536]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="species" species="vaubani">
|
||
<emphasis id="B94BA2136808FFF41846334FFA8CFDC9" box="[1286,1303,513,536]" italics="true" pageId="11" pageNumber="375">E</emphasis>
|
||
.
|
||
<emphasis id="B94BA2136808FFF41867334EFA1AFDC9" box="[1319,1409,512,536]" italics="true" pageId="11" pageNumber="375">vaubani</emphasis>
|
||
</taxonomicName>
|
||
is narrower and 1.4 times as long as the meri of pereopods 2 and 3 (
|
||
<figureCitation id="130462846808FFF41E2F336AFC28FDEC" box="[879,947,548,573]" captionStart="FIGURE 6" captionStartId="10.[151,250,1881,1903]" captionText="FIGURE 6. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, b, pereopod 2 with details of fingers. c, d, pereopod 3 with detail of dactylus. e, f, pereopod 4 with detail of dactylus. g, h, pereopod 5 with detail of dactylus. i, pleopod 2. Scale bar = 1 mm (except details)." pageId="11" pageNumber="375">Fig. 6</figureCitation>
|
||
) whereas in other species of
|
||
<taxonomicName id="4C3F05826808FFF419B6336BFAE8FDED" box="[1270,1395,549,572]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF419B6336BFAE8FDED" box="[1270,1395,549,572]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
the meri of pereopods 2–4 are of similar proportions and lengths. The male pleopod 1 is a simple article (
|
||
<figureCitation id="130462846808FFF418013309FA1DFDB1" box="[1345,1414,583,608]" captionStart="FIGURE 5" captionStartId="9.[151,250,1716,1738]" captionText="FIGURE 5. Eiconaxius vaubani sp. nov. Holotype, MNHN IU- 2016 - 8133. a, habitus. b, anterior dorsal carapace, left antennule and antenna peduncles. c, thoracic sternites 5 – 8, coxae of pereopods 2 – 5 (p 1 – p 2), pleonal sternites 1, 2, pleopod 1 (pl 1), attachment site of pleopod 2 (pl 2). d, telson, right uropod. e, f, right pereopod 1 (major cheliped), lateral and mesial views. g, h, left pereopod 1 (minor cheliped), lateral and mesial views. Scale bar = 1 mm (except b)." pageId="11" pageNumber="375">Fig. 5</figureCitation>
|
||
c) whereas, except for at least the five species listed above, it is absent in most species of
|
||
<taxonomicName id="4C3F05826808FFF419253323FB7AFD55" box="[1125,1249,621,644]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF419253323FB7AFD55" box="[1125,1249,621,644]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B807E016808FFF41D8733C1FD9CFD1D" blockId="11.[151,1437,151,717]" pageId="11" pageNumber="375">
|
||
While it is tempting to erect a new genus for this species doing so would lead to probable paraphyly of those species remaining in
|
||
<taxonomicName id="4C3F05826808FFF41CC433FBFD9BFD1D" box="[388,512,693,716]" class="Malacostraca" family="Axiidae" genus="Eiconaxius" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="375" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B94BA2136808FFF41CC433FBFD9BFD1D" box="[388,512,693,716]" italics="true" pageId="11" pageNumber="375">Eiconaxius</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |