158 lines
18 KiB
XML
158 lines
18 KiB
XML
<document id="C2E78FB0059978D25FB95DBDFA5E64AC" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630025151356" checkinUser="felipe" docAuthor="Ng, Diana G. B. Chia Peter K. L." docDate="2000" docId="03E01E5BFF8BF35A518072B7811168E8" docLanguage="en" docName="JNatHist.34.1.15-56.pdf" docOrigin="Journal of Natural History 34" docStyle="DocumentStyle:B6EF65DE5B4D2965D4D236BA736D172F.2:JNatHist.2000-2002.journal_article.2cover" docStyleId="B6EF65DE5B4D2965D4D236BA736D172F" docStyleName="JNatHist.2000-2002.journal_article.2cover" docStyleVersion="2" docTitle="Eumedonus intermedius Ng 2000, n. sp." docType="treatment" docVersion="3" lastPageNumber="29" masterDocId="FFD96623FF9BF34A500D7327836F6D10" masterDocTitle="A revision of Eumedonus H. Milne Edwards, 1834 and Gonatonotus White, 1847 (Crustacea: Decapoda: Brachyura: Eumedonidae), two genera of crabs symbiotic with sea urchins" masterLastPageNumber="56" masterPageNumber="15" pageNumber="29" updateTime="1699137442969" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:titleInfo id="A462A9DDF2FE79B7463ED4DC2039CB2D">
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<mods:title id="639B4CB5A1FE62F2CFFE18B0EA1302FC">A revision of Eumedonus H. Milne Edwards, 1834 and Gonatonotus White, 1847 (Crustacea: Decapoda: Brachyura: Eumedonidae), two genera of crabs symbiotic with sea urchins</mods:title>
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<mods:name id="D776A8090C55E9101708E75E63835A0D" type="personal">
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<mods:roleTerm id="00B438E510DB80737548B92D4286686F">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="0D025F9E369D5068AB290AA169FB2031">Ng, Diana G. B. Chia Peter K. L.</mods:namePart>
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<mods:typeOfResource id="F7F36ACBFBDAB7C12929C23B297641A1">text</mods:typeOfResource>
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<mods:titleInfo id="1241A15931C84330B6E263536AD9E53D">
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<mods:title id="BC5065290B236F2F2967971C042EEA24">Journal of Natural History</mods:title>
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</mods:titleInfo>
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<mods:part id="93EFCA77657BD8CA11DC2525595E8C65">
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<mods:date id="E76B3C4BA751B214135A5086E871C7AB">2000</mods:date>
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<mods:detail id="70AC99AB2C46A4B7616F54DCF18ADDA0" type="volume">
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<mods:number id="7FBBF632FA99FABDEA3AA92D4F623D18">34</mods:number>
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</mods:detail>
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<mods:extent id="30B0E5FEE04F5469DC5CA46979BBA0FC" unit="page">
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<mods:start id="DBE1D15B055838AED8371704D1D41BA8">15</mods:start>
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<mods:end id="35E29F607C75899D2FD7FC5775E80A3A">56</mods:end>
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<mods:classification id="6F5CFEC12087EB3B84A9ACB4313A18FF">journal article</mods:classification>
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<mods:identifier id="B3105EFC136C4B902FB04A1685A3E159" type="ISSN">1464-5262</mods:identifier>
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</mods:mods>
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<treatment id="03E01E5BFF8BF35A518072B7811168E8" ID-DOI="http://doi.org/10.5281/zenodo.5280533" ID-Zenodo-Dep="5280533" LSID="urn:lsid:plazi:treatment:03E01E5BFF8BF35A518072B7811168E8" httpUri="http://treatment.plazi.org/id/03E01E5BFF8BF35A518072B7811168E8" lastPageNumber="29" pageId="16" pageNumber="29">
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<subSubSection id="C353FCC6FF8BF35A518072B781136CD8" pageId="16" pageNumber="29" type="nomenclature">
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<paragraph id="8BF6AF4DFF8BF35A518072B781B56CB7" blockId="16.[397,730,400,456]" box="[397,730,400,424]" pageId="16" pageNumber="29">
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<heading id="D0BE1821FF8BF35A518072B781B56CB7" box="[397,730,400,424]" centered="true" fontSize="10" level="2" pageId="16" pageNumber="29" reason="3">
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<taxonomicName id="4C49D4CEFF8BF35A518072B781FC6CB8" ID-CoL="3CD9S" authority="Ng, 2000" authorityName="Ng" authorityYear="2000" box="[397,659,400,424]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="intermedius" status="sp. nov.">
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<emphasis id="B93D735FFF8BF35A518072B781FC6CB8" bold="true" box="[397,659,400,424]" italics="true" pageId="16" pageNumber="29">Eumedonus intermedius</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A20ECE24FF8BF35A529172B781B56CB7" box="[668,730,400,423]" pageId="16" pageNumber="29" rank="species">n. sp.</taxonomicNameLabel>
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</heading>
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A51E6729781136CD8" blockId="16.[397,730,400,456]" box="[491,636,432,456]" pageId="16" pageNumber="29">(®gures 8, 9)</paragraph>
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</subSubSection>
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<subSubSection id="C353FCC6FF8BF35A507272C3811168E8" pageId="16" pageNumber="29" type="materials_examined">
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<paragraph id="8BF6AF4DFF8BF35A507272C381F76F2B" blockId="16.[86,1042,484,1528]" pageId="16" pageNumber="29">
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<emphasis id="B93D735FFF8BF35A507272C382396CEC" box="[127,342,484,508]" italics="true" pageId="16" pageNumber="29">Material examined</emphasis>
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.
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<materialsCitation id="3B21A510FF8BF35A516772C281F76F2B" collectingDate="1960-02" collectionCode="MNHN, ORSTOM" collectorName="A. Crosnier" country="Madagascar" elevation="30" location="Mitsio Island" longitude="-12.4" pageId="16" pageNumber="29" specimenCode="AC45" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54F211EFFF8BF35A516772C282B36CEC" box="[362,476,484,508]" pageId="16" pageNumber="29" type="holotype">HOLOTYPE</typeStatus>
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: female (
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<geoCoordinate id="EE7DC98AFF8BF35A525972C381F26CEB" box="[596,669,484,508]" degrees="12.4" direction="west" orientation="longitude" pageId="16" pageNumber="29" precision="5555" value="-12.4">12.4Ö</geoCoordinate>
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<quantity id="4CB102A8FF8BF35A529372C381936CEC" box="[670,764,484,508]" metricMagnitude="-2" metricUnit="m" metricValue="1.27" pageId="16" pageNumber="29" unit="mm" value="12.7">12.7 mm</quantity>
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) (
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<collectionCode id="ED583788FF8BF35A531072C280166CEC" box="[797,889,485,508]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="16" pageNumber="29">MNHN</collectionCode>
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),
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<collectionCode id="ED583788FF8BF35A539772C3877D6CEC" box="[922,1042,484,508]" country="Bolivia" httpUri="http://grbio.org/cool/mdr4-z094" name="Office de la Recherche scientifique et Technique Outre-mer" pageId="16" pageNumber="29">ORSTOM</collectionCode>
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number
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<specimenCode id="DBEF0736FF8BF35A50BB712383976F0C" box="[182,248,516,540]" collectionCode="AC" country="USA" lsid="urn:lsid:biocol.org:col:12582" name="Amherst College, Beneski Museum of Natural History" pageId="16" pageNumber="29" type="University or college">AC45</specimenCode>
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,
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<collectingCountry id="F35EEFDDFF8BF35A510A712382FF6F0C" box="[263,400,516,540]" name="Madagascar" pageId="16" pageNumber="29">Madagascar</collectingCountry>
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, northwest coast
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<location id="8E96F996FF8BF35A52517123819C6F0C" LSID="urn:lsid:plazi:treatment:03E01E5BFF8BF35A518072B7811168E8:8E96F996FF8BF35A52517123819C6F0C" box="[604,755,516,540]" country="Madagascar" longitude="-12.4" name="Mitsio Island" pageId="16" pageNumber="29">Mitsio Island</location>
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,
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<quantity id="4CB102A8FF8BF35A5309712380556F0C" box="[772,826,516,540]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="16" pageNumber="29" unit="m" value="30.0">
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<elevation id="0064487EFF8BF35A5309712380556F0C" box="[772,826,516,540]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="16" pageNumber="29" unit="m" value="30.0">30 m</elevation>
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</quantity>
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, trawl, sand, likely on echinoderms, coll.
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<collectorName id="26BCCA9BFF8BF35A5159710482B56F2B" box="[340,474,547,571]" pageId="16" pageNumber="29">A. Crosnier</collectorName>
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,
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<date id="FFF7898DFF8BF35A51E6710481FE6F2B" box="[491,657,547,571]" pageId="16" pageNumber="29" value="1960-02">
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<collectingDate id="EFB37065FF8BF35A51E6710481FE6F2B" box="[491,657,547,571]" pageId="16" pageNumber="29" value="1960-02">February 1960</collectingDate>
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</date>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A5072716481A66F6B" blockId="16.[86,1042,484,1528]" pageId="16" pageNumber="29">
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<emphasis id="B93D735FFF8BF35A5072716483986F4B" box="[127,247,579,603]" italics="true" pageId="16" pageNumber="29">Etymology</emphasis>
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. The name is derived from Latin for`intermediate’, alluding to the proximity of the species to
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<taxonomicName id="4C49D4CEFF8BF35A519C714481466F6B" authorityName="MacGilchrist" authorityYear="1905" box="[401,553,611,635]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="granulosus">
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<emphasis id="B93D735FFF8BF35A519C714481466F6B" box="[401,553,611,635]" italics="true" pageId="16" pageNumber="29">G. granulosus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C49D4CEFF8BF35A526B714381AC6F6B" authorityName="Alcock" authorityYear="1895" box="[614,707,611,635]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="zebra">
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<emphasis id="B93D735FFF8BF35A526B714381AC6F6B" box="[614,707,611,635]" italics="true" pageId="16" pageNumber="29">E. zebra</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A507371A3820A6EEA" blockId="16.[86,1042,484,1528]" pageId="16" pageNumber="29">
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<emphasis id="B93D735FFF8BF35A507371A383856F8B" box="[126,234,644,667]" italics="true" pageId="16" pageNumber="29">Diagnosis</emphasis>
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. Carapace pentagonal, rostrum long, length 1.2 times width, tip of rostrum not deēxed; surfaces of carapace, chelipeds and ambulatory legs covered with numerous tall and prominent granules; dorsal surface of carapace not pileiferous. Lateral carapac e teeth very sharp, tip usually directed obliquely forwards; base of tooth not as stout and thick. Antero-external angle of merus of maxilliped 3 not auriculiform. Chelipeds granulose; dorsal margin of palm with distinct lamelliform crests; carpus with distinct spine on distal inner angle; median and inner proximal of merus with strong teeth; inner surface of basis-ischium with a tooth. Anterior margins of all ambulatory meri and carpi distinctly cristate; anterior margin of last ambulatory merus appearing serrated; posterior margins of all meri with two distinct parallel crests; dactylus of leg 1 not much longer than those on other legs. G1 and G2 not known.
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A50727725805C69A9" blockId="16.[86,1042,484,1528]" pageId="16" pageNumber="29">
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<emphasis id="B93D735FFF8BF35A50727725838E690A" box="[127,225,1026,1050]" italics="true" pageId="16" pageNumber="29">Remarks</emphasis>
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. The present specimen was collected with many specimens of
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<taxonomicName id="4C49D4CEFF8BF35A53B9772583F6692A" authorityName="MacGilchrist" authorityYear="1905" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="granulosus">
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<emphasis id="B93D735FFF8BF35A53B9772583F6692A" italics="true" pageId="16" pageNumber="29">G. granulosus</emphasis>
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</taxonomicName>
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from
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<collectingCountry id="F35EEFDDFF8BF35A50E47705821D692A" box="[233,370,1058,1082]" name="Madagascar" pageId="16" pageNumber="29">Madagascar</collectingCountry>
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. It was distinctive in having highly crested anterior and posterior margins on all the ambulatory meri and carpi (®gure 9E, G). Except for this character,
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<taxonomicName id="4C49D4CEFF8BF35A510B774582C66969" authorityName="Ng" authorityYear="2000" box="[262,425,1121,1145]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="intermedius">
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<emphasis id="B93D735FFF8BF35A510B774582C66969" box="[262,425,1121,1145]" italics="true" pageId="16" pageNumber="29">E. intermedius</emphasis>
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</taxonomicName>
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is similar to
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<taxonomicName id="4C49D4CEFF8BF35A52477746818B6969" authorityName="MacGilchrist" authorityYear="1905" box="[586,740,1121,1145]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="granulosus">
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<emphasis id="B93D735FFF8BF35A52477746818B6969" box="[586,740,1121,1145]" italics="true" pageId="16" pageNumber="29">G. granulosus</emphasis>
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</taxonomicName>
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in many aspects, viz. the long and slender rostrum, tall and prominent granules on all surfaces, and the nonauriculiform antero-external angle of the merus of maxilliped 3.
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A507277E580C36849" blockId="16.[86,1042,484,1528]" pageId="16" pageNumber="29">
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In some aspects,
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<taxonomicName id="4C49D4CEFF8BF35A514C77E5828E69C9" authorityName="Ng" authorityYear="2000" box="[321,481,1217,1241]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="intermedius">
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<emphasis id="B93D735FFF8BF35A514C77E5828E69C9" box="[321,481,1217,1241]" italics="true" pageId="16" pageNumber="29">E. intermedius</emphasis>
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</taxonomicName>
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is also similar to
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<taxonomicName id="4C49D4CEFF8BF35A52A177E5806769C9" authorityName="Alcock" authorityYear="1895" box="[684,776,1217,1241]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="zebra">
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<emphasis id="B93D735FFF8BF35A52A177E5806769C9" box="[684,776,1217,1241]" italics="true" pageId="16" pageNumber="29">E. zebra</emphasis>
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</taxonomicName>
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, viz. the highly cristate anterior and posterior margins of all ambulatory legs and the pointed and sharp lateral carapace teeth. However,
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<taxonomicName id="4C49D4CEFF8BF35A51C3762581016809" authorityName="Ng" authorityYear="2000" box="[462,622,1281,1305]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="intermedius">
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<emphasis id="B93D735FFF8BF35A51C3762581016809" box="[462,622,1281,1305]" italics="true" pageId="16" pageNumber="29">E. intermedius</emphasis>
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</taxonomicName>
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di ers from
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<taxonomicName id="4C49D4CEFF8BF35A5309762580306809" authorityName="Alcock" authorityYear="1895" box="[772,863,1281,1305]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="zebra">
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<emphasis id="B93D735FFF8BF35A5309762580306809" box="[772,863,1281,1305]" italics="true" pageId="16" pageNumber="29">E. zebra</emphasis>
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</taxonomicName>
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in being highly tuberculated on all surfaces, possessing a non-auriculiform antero-external angle of the merus of maxilliped 3, and having a longer and more slender rostrum.
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A50727646839168C8" blockId="16.[86,1042,484,1528]" pageId="16" pageNumber="29">
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Thus, it appears that
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<taxonomicName id="4C49D4CEFF8BF35A519E764581556869" authorityName="Ng" authorityYear="2000" box="[403,570,1377,1401]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="intermedius">
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<emphasis id="B93D735FFF8BF35A519E764581556869" box="[403,570,1377,1401]" italics="true" pageId="16" pageNumber="29">E. intermedius</emphasis>
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</taxonomicName>
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is intermediate between
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<taxonomicName id="4C49D4CEFF8BF35A5379764580B86869" authorityName="Alcock" authorityYear="1895" box="[884,983,1377,1401]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="zebra">
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<emphasis id="B93D735FFF8BF35A5379764580B86869" box="[884,983,1377,1401]" italics="true" pageId="16" pageNumber="29">E. zebra</emphasis>
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</taxonomicName>
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and
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<emphasis id="B93D735FFF8BF35A505B76A683836889" box="[86,236,1409,1433]" italics="true" pageId="16" pageNumber="29">
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<taxonomicName id="4C49D4CEFF8BF35A505B76A6838F6889" box="[86,224,1409,1433]" class="Malacostraca" family="Pilumnidae" genus="Gonatonotus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="granulosu">G. granulosu</taxonomicName>
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s
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</emphasis>
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. Both the latter two species are also found in
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<collectingCountry id="F35EEFDDFF8BF35A52E476A6801B6889" box="[745,884,1409,1433]" name="Madagascar" pageId="16" pageNumber="29">Madagascar</collectingCountry>
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and probably live in similar habitats. Undoubtedly, more specimens are required to better de®ne
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<taxonomicName id="4C49D4CEFF8BF35A505B76E6839868C8" authorityName="Ng" authorityYear="2000" box="[86,247,1472,1496]" class="Malacostraca" family="Pilumnidae" genus="Eumedonus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="29" phylum="Arthropoda" rank="species" species="intermedius">
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<emphasis id="B93D735FFF8BF35A505B76E6839868C8" box="[86,247,1472,1496]" italics="true" pageId="16" pageNumber="29">E. intermedius</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BF6AF4DFF8BF35A507376C7811168E8" blockId="16.[86,1042,484,1528]" box="[126,638,1504,1528]" pageId="16" pageNumber="29">
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<emphasis id="B93D735FFF8BF35A507376C7826B68E8" box="[126,260,1504,1528]" italics="true" pageId="16" pageNumber="29">Distribution</emphasis>
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. Known only from
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<collectingCountry id="F35EEFDDFF8BF35A51E176C7811A68E8" box="[492,629,1504,1528]" name="Madagascar" pageId="16" pageNumber="29">Madagascar</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |