423 lines
55 KiB
XML
423 lines
55 KiB
XML
<document id="28B7877F3ADFF31AA596D0DA60F3C866" ID-DOI="10.11646/zootaxa.3616.5.6" ID-GBIF-Dataset="3cf3be1d-d0f9-4cd7-960f-2fa21cef6561" ID-ISSN="1175-5326" ID-Zenodo-Dep="223636" ID-ZooBank="7C39A6E4-47C6-42D9-9F95-2931F94289FA" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460576675391" checkinUser="plazi" docAuthor="Husana, Daniel Edison M., Kase, Tomoki & Mendoza, Jose Christopher E." docDate="2013" docId="03D487ACFFA07C11FF1EFE897B4EA298" docLanguage="en" docName="zt03616p500.pdf" docOrigin="Zootaxa 3616 (5)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Elamena samalensis Husana, Kase & Mendoza, 2013, sp. nov." docType="treatment" docUuid="9A1D9BBA-9EE6-4AEB-889B-457D3FA3B579" docUuidSource="ZooBank" docVersion="9" lastPageNumber="500" masterDocId="FFEDFFD4FFA17C14FF89FFEE7E16A357" masterDocTitle="A new species of false spider crab of the genus Elamena H. Milne Edwards, 1837 (Crustacea: Decapoda: Brachyura: Hymenosomatidae), from Davao Gulf, Philippines" masterLastPageNumber="600" masterPageNumber="495" pageNumber="496" updateTime="1698323376982" updateUser="plazi">
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<mods:titleInfo id="298861D500840F287FD3EF97E4A92822">
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<mods:title id="1A0301D2B195656935F8905DFCDC53BB">A new species of false spider crab of the genus Elamena H. Milne Edwards, 1837 (Crustacea: Decapoda: Brachyura: Hymenosomatidae), from Davao Gulf, Philippines</mods:title>
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</mods:titleInfo>
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<mods:name id="3A30DDEC0A6E3B6A9675F6501416F921" type="personal">
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<mods:roleTerm id="941CEAAD43D24E28C69AA0E02D6EEC3E">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="5F251157A8322481689F5E617EF9E4C4">Husana, Daniel Edison M.</mods:namePart>
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</mods:name>
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<mods:name id="A59770D9B80F1C431DEADE2BA209F890" type="personal">
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<mods:roleTerm id="83D34E0B5A8E8A87ADD44C1311C64E9E">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="28BC88AD44DAACEAB11ACCD36797076A">Kase, Tomoki</mods:namePart>
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</mods:name>
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<mods:name id="6156DDA00331CAB306385C5566784883" type="personal">
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<mods:roleTerm id="C245CCE88EA71F5EF72DB4F4DE81EB34">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1D425FFE328EA07D302586886F152B8A">Mendoza, Jose Christopher E.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="8B76939007BAA7C386CEB5203BA789EF">text</mods:typeOfResource>
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<mods:title id="25A92E899058574A6FDE8FF4FDA621F4">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="4BE5D21B72EB65D280526BD03BAF1B6A">
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<mods:date id="B6814BB2D798EEFA81324BF9C7ADD11C">2013</mods:date>
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<mods:detail id="73CF18EAF63895BDC63E1E03774AECD2" type="volume">
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<mods:number id="8EF7D539BD73897AC503C8D950214270">3616</mods:number>
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</mods:detail>
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<mods:detail id="CF5253ADEAC84CB70B23888EF4843D67" type="issue">
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<mods:number id="21E50A65F2B93B6D4CB82462E5611494">5</mods:number>
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<mods:classification id="108884F3D75D3F51B3F25147ADA61060">journal article</mods:classification>
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<mods:identifier id="15C36D7D4FEAFF69292B6A216287D476" type="DOI">10.11646/zootaxa.3616.5.6</mods:identifier>
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<mods:identifier id="7DC5A84B4BEDC78C8688F7ED5EEBF697" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="416D4B3F5BC5F158D15873AA90299C09" type="Zenodo-Dep">223636</mods:identifier>
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<treatment id="03D487ACFFA07C11FF1EFE897B4EA298" ID-DOI="http://doi.org/10.5281/zenodo.6151337" ID-GBIF-Taxon="119560510" ID-Zenodo-Dep="6151337" LSID="urn:lsid:zoobank.org:act:9A1D9BBA-9EE6-4AEB-889B-457D3FA3B579" httpUri="http://treatment.plazi.org/id/03D487ACFFA07C11FF1EFE897B4EA298" lastPageId="5" lastPageNumber="500" pageId="1" pageNumber="496">
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<subSubSection id="C3676531FFA07C15FF1EFE897F04A2F5" pageId="1" pageNumber="496" type="nomenclature">
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<paragraph id="8BC236BAFFA07C15FF1EFE897FE2A2D6" blockId="1.[151,500,359,418]" box="[151,500,359,385]" pageId="1" pageNumber="496">
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<heading id="D08A81D6FFA07C15FF1EFE897FE2A2D6" bold="true" box="[151,500,359,385]" fontSize="11" level="1" pageId="1" pageNumber="496" reason="1">
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<emphasis id="B909EAA8FFA07C15FF1EFE897FE2A2D6" bold="true" box="[151,500,359,385]" pageId="1" pageNumber="496">
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||
<taxonomicName id="4C7D4D39FFA07C15FF1EFE897F99A2D6" ID-CoL="38YGZ" box="[151,399,359,385]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="496" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
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<emphasis id="B909EAA8FFA07C15FF1EFE897F99A2D6" bold="true" box="[151,399,359,385]" italics="true" pageId="1" pageNumber="496">Elamena samalensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23A57D3FFA07C15FE1FFE897FE2A2D6" box="[406,500,359,385]" pageId="1" pageNumber="496" 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="8BC236BAFFA07C15FF1EFE647F04A2F5" blockId="1.[151,500,359,418]" box="[151,274,394,418]" pageId="1" pageNumber="496">
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||
(
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<figureCitation id="13462A3FFFA07C15FF16FE647F1FA2F5" box="[159,265,394,418]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="2.[151,250,1944,1967]" captionStartId-1="3.[151,250,1178,1201]" captionStartId-2="4.[151,250,1287,1310]" captionTargetBox-0="[178,1412,221,1887]" captionTargetBox-1="[181,1419,203,1138]" captionTargetBox-2="[151,1435,409,1265]" captionTargetId-0="figure@2.[151,1436,195,1920]" captionTargetId-1="figure@3.[151,1436,193,1157]" captionTargetId-2="figure@4.[151,1436,409,1266]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionText-0="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." captionText-1="FIGURE 2. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. Right G 1, A, external (ventral) view; B, internal (dorsal) view; C, distal end, external view; and D, distal end, internal view. Scale bars: A, B = 1.0 mm; C, D = 0.2 mm." captionText-2="FIGURE 3. Elamena samalensis sp. nov., paratype, Ƥ, 5.5 × 4.8 mm (ZRC 2013.0095), Samal Is. Freshly-preserved coloration." httpUri-0="https://zenodo.org/record/223637/files/figure.png" httpUri-1="https://zenodo.org/record/223638/files/figure.png" httpUri-2="https://zenodo.org/record/223639/files/figure.png" pageId="1" pageNumber="496">Figs. 1–3</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C3676531FFA07C15FF1EFE3C7AE7A078" pageId="1" pageNumber="496" type="materials_examined">
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<paragraph id="8BC236BAFFA07C15FF1EFE3C7C7CA165" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">
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<emphasis id="B909EAA8FFA07C15FF1EFE3C7F97A2BC" bold="true" box="[151,385,466,491]" pageId="1" pageNumber="496">Material examined.</emphasis>
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<typeStatus id="54C68818FFA07C15FE00FE3C7FE2A2BD" box="[393,500,466,490]" pageId="1" pageNumber="496" type="holotype">Holotype</typeStatus>
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, 3, 4.7 ×
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<quantity id="4C859B5FFFA07C15FDE1FE3C7CA9A2BD" box="[616,703,466,490]" metricMagnitude="-3" metricUnit="m" metricValue="4.2" pageId="1" pageNumber="496" unit="mm" value="4.2">4.2 mm</quantity>
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(NMCR 39074), Samal Is., Davao Gulf, Mindanao,
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<collectingCountry id="F36A762AFFA07C15FA9EFE3C7B8EA2BD" box="[1303,1432,466,490]" name="Philippines" pageId="1" pageNumber="496">Philippines</collectingCountry>
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,
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<geoCoordinate id="EE49507DFFA07C15FF1EFE187F3DA159" box="[151,299,502,526]" direction="north" orientation="latitude" pageId="1" pageNumber="496" precision="1" value="6.9742165">6º 58.453’ N</geoCoordinate>
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,
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<geoCoordinate id="EE49507DFFA07C15FEBEFE187FF5A159" box="[311,483,502,526]" direction="east" orientation="longitude" pageId="1" pageNumber="496" precision="1" value="125.7245">125º 43.470’ E</geoCoordinate>
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, intertidal zone, coll. T. Haga & Walter,
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<date id="FFC3107AFFA07C15FC38FE187A75A159" box="[945,1123,502,526]" pageId="1" pageNumber="496" value="2007-03-14">14 March 2007</date>
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.
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<typeStatus id="54C68818FFA07C15FBE7FE197AC5A158" box="[1134,1235,503,527]" pageId="1" pageNumber="496" type="paratype">Paratype</typeStatus>
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, Ƥ, 5.5 ×
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<quantity id="4C859B5FFFA07C15FACCFE187B8AA159" box="[1349,1436,502,526]" metricMagnitude="-3" metricUnit="m" metricValue="4.8" pageId="1" pageNumber="496" unit="mm" value="4.8">4.8 mm</quantity>
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(ZRC 2013.0095), same data as
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<typeStatus id="54C68818FFA07C15FD89FDF47C70A165" box="[512,614,538,562]" pageId="1" pageNumber="496" type="holotype">holotype</typeStatus>
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.
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</paragraph>
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<paragraph id="8BC236BAFFA07C15FF4EFDD07AE7A078" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">
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<emphasis id="B909EAA8FFA07C15FF4EFDD07FC9A100" bold="true" box="[199,479,574,599]" pageId="1" pageNumber="496">Comparative material.</emphasis>
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<taxonomicName id="4C7D4D39FFA07C15FE64FDD07CF4A101" box="[493,738,574,598]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="496" phylum="Arthropoda" rank="species" species="simplidenta">
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<emphasis id="B909EAA8FFA07C15FE64FDD07CF4A101" box="[493,738,574,598]" italics="true" pageId="1" pageNumber="496">Elamena simplidenta</emphasis>
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</taxonomicName>
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Ng & Chuang, 1996:
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<typeStatus id="54C68818FFA07C15FB89FDD17A75A100" box="[1024,1123,575,599]" pageId="1" pageNumber="496" type="paratype">paratype</typeStatus>
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, Ƥ, 7.6 ×
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<quantity id="4C859B5FFFA07C15FB79FDD07B58A101" box="[1264,1358,574,598]" metricMagnitude="-3" metricUnit="m" metricValue="6.3" pageId="1" pageNumber="496" unit="mm" value="6.3">6.3 mm</quantity>
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(ZRC 1994.4231),
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<collectingCountry id="F36A762AFFA07C15FEA5FD8C7F95A12D" box="[300,387,610,634]" name="Indonesia" pageId="1" pageNumber="496">Ambon</collectingCountry>
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,
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<collectingCountry id="F36A762AFFA07C15FE1FFD8C7C10A12D" box="[406,518,610,634]" name="Indonesia" pageId="1" pageNumber="496">Moluccas</collectingCountry>
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,
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<collectingCountry id="F36A762AFFA07C15FD90FD8C7C9FA12D" box="[537,649,610,634]" name="Indonesia" pageId="1" pageNumber="496">Indonesia</collectingCountry>
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, coll. Snellius Expedition,
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<date id="FFC3107AFFA07C15FC5DFD8C7AB5A12D" box="[980,1187,610,634]" pageId="1" pageNumber="496" value="1930-09-10" valueMax="1930-09-17" valueMin="1930-09-10">10–17 Sep. 1930</date>
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.
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<taxonomicName id="4C7D4D39FFA07C15FB3CFD8D7F40A1C9" authority="Gravely, 1927: 2" authorityName="Gravely" authorityPageNumber="2" authorityYear="1927" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="496" phylum="Arthropoda" rank="species" species="cristatipes">
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<emphasis id="B909EAA8FFA07C15FB3CFD8D7B8DA12C" box="[1205,1435,611,635]" italics="true" pageId="1" pageNumber="496">Elamena cristatipes</emphasis>
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Gravely, 1927: 2
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</taxonomicName>
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Ƥ, 4.0 ×
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<quantity id="4C859B5FFFA07C15FE40FD687C35A1C9" box="[457,547,646,670]" metricMagnitude="-3" metricUnit="m" metricValue="4.7" pageId="1" pageNumber="496" unit="mm" value="4.7">4.7 mm</quantity>
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, 4.0 ×
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<quantity id="4C859B5FFFA07C15FDFFFD687CD8A1C9" box="[630,718,646,670]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="1" pageNumber="496" unit="mm" value="4.5">4.5 mm</quantity>
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(ZRC 1969.11.212-3), Batu Ferringhi, Penang,
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<collectingCountry id="F36A762AFFA07C15FB7DFD687B48A1C9" box="[1268,1374,646,670]" name="Malaysia" pageId="1" pageNumber="496">Malaysia</collectingCountry>
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, coll. University of Kuala Lumpur, 1966.
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<taxonomicName id="4C7D4D39FFA07C15FDB1FD457DC1A195" authority="Stimpson, 1858" authorityName="Stimpson" authorityYear="1858" box="[568,983,682,707]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="496" phylum="Arthropoda" rank="species" species="truncata">
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<emphasis id="B909EAA8FFA07C15FDB1FD457D12A194" box="[568,772,683,707]" italics="true" pageId="1" pageNumber="496">Elamena truncata</emphasis>
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(Stimpson, 1858)
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</taxonomicName>
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: 2 3, 7.7 ×
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<quantity id="4C859B5FFFA07C15FBFDFD447AD9A195" box="[1140,1231,682,706]" metricMagnitude="-3" metricUnit="m" metricValue="6.9" pageId="1" pageNumber="496" unit="mm" value="6.9">6.9 mm</quantity>
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||
, 8.1 × 7.0 mm, 2 ovigerous Ƥ, 9.6 × 8.0 mm, 8.4 ×
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<quantity id="4C859B5FFFA07C15FD91FD207C78A1B1" box="[536,622,718,742]" metricMagnitude="-3" metricUnit="m" metricValue="6.8" pageId="1" pageNumber="496" unit="mm" value="6.8">6.8 mm</quantity>
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(ZRC 1999.0048), Sumiyoshi, Tanegashima,
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<collectingCountry id="F36A762AFFA07C15FBFAFD217AA0A1B1" box="[1139,1206,719,742]" name="Japan" pageId="1" pageNumber="496">Japan</collectingCountry>
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, coll. M. Takeda,
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<date id="FFC3107AFFA07C15FA09FD207F1BA05D" pageId="1" pageNumber="496" value="1975-06-13">13 June 1975</date>
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||
.
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<taxonomicName id="4C7D4D39FFA07C15FE90FD1D7FD4A05C" box="[281,450,755,779]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="496" phylum="Arthropoda" rank="species" species="vesca">
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<emphasis id="B909EAA8FFA07C15FE90FD1D7FD4A05C" box="[281,450,755,779]" italics="true" pageId="1" pageNumber="496">Elamena vesca</emphasis>
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</taxonomicName>
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Ng & Richer de Forges, 1996:
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<typeStatus id="54C68818FFA07C15FCA3FD1D7D8FA05C" box="[810,921,755,779]" pageId="1" pageNumber="496" type="paratype">paratypes</typeStatus>
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, 1 Ƥ, 4.9 ×
|
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<quantity id="4C859B5FFFA07C15FBA8FD1C7A6CA05D" box="[1057,1146,754,778]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="1" pageNumber="496" unit="mm" value="4.5">4.5 mm</quantity>
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, 1 ovigerous Ƥ, 6.9 ×
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<quantity id="4C859B5FFFA07C15FAF0FD1C7ED5A078" metricMagnitude="-3" metricUnit="m" metricValue="6.2" pageId="1" pageNumber="496" unit="mm" value="6.2">6.2 mm</quantity>
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||
(ZRC 1994.4285), Marèe à Ouémo, Nouméa,
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<collectingCountry id="F36A762AFFA07C15FD58FCF67D97A078" box="[721,897,791,815]" name="New Caledonia" pageId="1" pageNumber="496">New Caledonia</collectingCountry>
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, coll. B. Richer de Forges, 1992.
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</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3676531FFA07C17FF4EFCD57C38A439" lastPageId="3" lastPageNumber="498" pageId="1" pageNumber="496" type="description">
|
||
<paragraph id="8BC236BAFFA07C15FF4EFCD57C11A7EB" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">
|
||
<emphasis id="B909EAA8FFA07C15FF4EFCD57F4FA003" bold="true" box="[199,345,827,852]" pageId="1" pageNumber="496">Description.</emphasis>
|
||
Carapace (
|
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<figureCitation id="13462A3FFFA07C15FE57FCD27C36A003" box="[478,544,828,852]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="1" pageNumber="496">Fig. 1</figureCitation>
|
||
A) subpentagonal, broader than long; dorsal surface deeply concave, gastrocardiac groove present but faint, with fine granules covering entire surface. Rostrum truncated, continuous with carapace; anterior margin medially convex; ventral keel partially visible from dorsal view, deep, triangular in lateral view, continuous with prominent interantennular septum; lateral margin of rostrum continuous with anterolateral margin of carapace. Anterolateral margin cristate, dorsally projecting, slightly sinuous, slightly concave near base of rostrum; first anterolateral tooth replaced by slight convexity; second anterolateral tooth moderately produced, angular. Posterolateral margin similarly cristate, dorsally projecting, generally convex, not well demarcated from posterior margin. Posterior carapace margin convex, similarly cristate, dorsally projecting. Postocular tooth distinct, triangular; suborbital region slightly swollen. Pterygostomian regions with 3 prominent lobiform crests, one anterior to base of cheliped coxa, one at anterolateral angle of buccal cavity, one in between largest. Subhepatic area swollen.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA07C15FF4EFB297C76A61B" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">Epistome length subequal to breadth, posterior margin thinly crested, sinuous, with median notch. Antennule developed, basal antennular segment with short, rounded antero-external protuberance; interantennular septum strong. Antennae directed anteriorly, antennal spines absent. Eyes well developed, eyestalks short, partially visible at anterolateral margin from dorsal view.</paragraph>
|
||
<paragraph id="8BC236BAFFA07C15FF4EFAB97AF4A68B" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">
|
||
Third maxillipeds (
|
||
<figureCitation id="13462A3FFFA07C15FE2EFAB97FFDA638" box="[423,491,1367,1391]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="1" pageNumber="496">Fig. 1</figureCitation>
|
||
E) covering entire buccal cavity when closed; exopod narrow, distal end almost reaching the distal external angle of merus, with distinct flagellum; ischium subquadrate, external margin shorter than internal margin, subequal to length of merus, forming continuous ridged external border with merus; merus subtriangular, with longitudinal ridge along submedian surface, inner margin filled by palp
|
||
<emphasis id="B909EAA8FFA07C15FB1FFA2B7ACDA68B" box="[1174,1243,1477,1500]" italics="true" pageId="1" pageNumber="496">in situ</emphasis>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA07C15FF4EFA097F3AA5D8" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">Male thoracic sternum wide, finely granular; sternites 1–3 fused, hidden by third maxillipeds, sunken toward buccal cavity; strong transverse ridge at junction of sternites 3, 4; border of sternite 4 with Milne Edwards aperture, distinctly convex; succeeding sternites triangular, slightly inflated; sternoabdominal cavity moderately deep, anterior tip reaching anterior border of sternite 4, without sutures, prominent press-button situated at level between sternites 5, 6.</paragraph>
|
||
<paragraph id="8BC236BAFFA07C15FF4EF9727B00A448" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">
|
||
Male chelipeds (
|
||
<figureCitation id="13462A3FFFA07C15FE0EF9727FDFA5E3" box="[391,457,1692,1716]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="1" pageNumber="496">Fig. 1</figureCitation>
|
||
G) almost symmetrical, robust; merus rounded in cross-section, with small tooth on dorso-distal end and protrusion on inner distal end; carpus rounded, distal inner angle blunt; chela with swollen palm, fingers equal in length, with pointed tips, distally curving inwards, no wide gape when closed, cutting edges lined with small teeth interspersed with much smaller teeth, with larger subproximal tooth on dactylus.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA07C15FF4EF8C27D9AA4F8" blockId="1.[151,1436,466,1968]" pageId="1" pageNumber="496">
|
||
P2-P5 (
|
||
<figureCitation id="13462A3FFFA07C15FE93F8C27F4EA413" box="[282,344,1836,1860]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="1" pageNumber="496">Fig. 1</figureCitation>
|
||
A & B) relatively slender, rounded except flattened dactyli, P3 longest, P5 shortest; meri, carpi of all legs with acute extension on distal end of anterior margins, surfaces lined with short, bristly setae; dactyli shorter than propodi, distal one-third gently curving inward, terminating in pointed claw; dorsal, ventral margins lined with long setae, with subdistal conical tooth on flexor margin.
|
||
</paragraph>
|
||
<caption id="DF026632FFA37C16FF1EF8767B6FA4BB" httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="2" pageNumber="497" targetBox="[178,1412,221,1887]" targetPageId="2">
|
||
<paragraph id="8BC236BAFFA37C16FF1EF8767B6FA4BB" blockId="2.[151,1436,1944,2028]" pageId="2" pageNumber="497">
|
||
<emphasis id="B909EAA8FFA37C16FF1EF8767F02A4F9" bold="true" box="[151,276,1944,1967]" pageId="2" pageNumber="497">FIGURE 1.</emphasis>
|
||
<taxonomicName id="4C7D4D39FFA37C16FE95F8767FFAA4F9" box="[284,492,1944,1966]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="497" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA37C16FE95F8767FFAA4F9" box="[284,492,1944,1966]" italics="true" pageId="2" pageNumber="497">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA37C16FE7DF8777C50A4F9" box="[500,582,1945,1966]" pageId="2" pageNumber="497" rank="species">
|
||
<emphasis id="B909EAA8FFA37C16FE7DF8777C50A4F9" bold="true" box="[500,582,1945,1966]" pageId="2" pageNumber="497">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P4, dorsal view; C, abdomen (pleotelson and somites 1–5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A–G = 1.0 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF026632FFA27C17FF1EFB747EFAA7B9" httpUri="https://zenodo.org/record/223638/files/figure.png" pageId="3" pageNumber="498" targetBox="[181,1419,203,1138]" targetPageId="3">
|
||
<paragraph id="8BC236BAFFA27C17FF1EFB747EFAA7B9" blockId="3.[151,1436,1178,1262]" pageId="3" pageNumber="498">
|
||
<emphasis id="B909EAA8FFA27C17FF1EFB747F04A7E7" bold="true" box="[151,274,1178,1201]" pageId="3" pageNumber="498">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C7D4D39FFA27C17FE91FB757FF0A7E6" box="[280,486,1179,1201]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA27C17FE91FB757FF0A7E6" box="[280,486,1179,1201]" italics="true" pageId="3" pageNumber="498">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA27C17FE65FB757C2AA7E7" box="[492,572,1179,1200]" pageId="3" pageNumber="498" rank="species">
|
||
<emphasis id="B909EAA8FFA27C17FE65FB757C2AA7E7" bold="true" box="[492,572,1179,1200]" pageId="3" pageNumber="498">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. Right G1, A, external (ventral) view; B, internal (dorsal) view; C, distal end, external view; and D, distal end, internal view. Scale bars: A, B = 1.0 mm; C, D = 0.2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC236BAFFA27C17FF4EFAF87F8BA6CE" blockId="3.[151,1437,1302,2010]" pageId="3" pageNumber="498">
|
||
Male abdomen 5-segmented, including pleotelson (
|
||
<figureCitation id="13462A3FFFA27C17FC8EFAF87D51A679" box="[775,839,1302,1326]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="3" pageNumber="498">Fig. 1</figureCitation>
|
||
C). Third, fourth abdominal somites fused, gradually narrowed over distal half with convex lateral margins; lateral margin of fifth abdominal somite concave; pleotelson triangular, apex acute, distinctly longer than fifth somite, with depressions on either side just above suture with fifth abdominal somite.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA27C17FF4EFA487A2CA6B6" blockId="3.[151,1437,1302,2010]" pageId="3" pageNumber="498">
|
||
G1 (
|
||
<figureCitation id="13462A3FFFA27C17FF77FA487F50A6E9" box="[254,326,1446,1470]" captionStart="FIGURE 2" captionStartId="3.[151,250,1178,1201]" captionTargetBox="[181,1419,203,1138]" captionTargetId="figure@3.[151,1436,193,1157]" captionTargetPageId="3" captionText="FIGURE 2. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. Right G 1, A, external (ventral) view; B, internal (dorsal) view; C, distal end, external view; and D, distal end, internal view. Scale bars: A, B = 1.0 mm; C, D = 0.2 mm." httpUri="https://zenodo.org/record/223638/files/figure.png" pageId="3" pageNumber="498">Fig. 2</figureCitation>
|
||
) with long, twisted shaft; proximal half directed medially then turning laterally, outwardly in winding S-shaped manner; with row of 7 stiff, subterminal setae on dorsal surface.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA27C17FF4EFA007C66A5C1" blockId="3.[151,1437,1302,2010]" pageId="3" pageNumber="498">
|
||
<emphasis id="B909EAA8FFA27C17FF4EFA007F8BA551" bold="true" box="[199,413,1518,1542]" pageId="3" pageNumber="498">
|
||
Female
|
||
<typeStatus id="54C68818FFA27C17FEA3FA007F8EA551" box="[298,408,1518,1542]" pageId="3" pageNumber="498" type="paratype">paratype</typeStatus>
|
||
.
|
||
</emphasis>
|
||
Carapace with swollen gastric region; second anterolateral teeth more distinct than in
|
||
<typeStatus id="54C68818FFA27C17FF1EF9FF7EEBA57E" box="[151,253,1553,1577]" pageId="3" pageNumber="498" type="holotype">holotype</typeStatus>
|
||
. Chelae not swollen and more slender, slight gap between finger, pollex present when closed. Thoracic sternum completely covering ventral area; small vulvae on medial fused plate of thoracic sternum, at level of sternite 4. Female abdomen wide, subcircular, covering entire thoracic sternum; abdomen 6-segmented, pleotelson triangular, apex convex, pleopods present.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA27C17FF4EF94F7EECA456" blockId="3.[151,1437,1302,2010]" pageId="3" pageNumber="498">
|
||
<emphasis id="B909EAA8FFA27C17FF4EF94F7F59A5ED" bold="true" box="[199,335,1697,1722]" pageId="3" pageNumber="498">Coloration.</emphasis>
|
||
Carapace color of
|
||
<taxonomicName id="4C7D4D39FFA27C17FDAEF94C7D1BA5ED" box="[551,781,1698,1722]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA27C17FDAEF94C7D1BA5ED" box="[551,781,1698,1722]" italics="true" pageId="3" pageNumber="498">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B909EAA8FFA27C17FC9CF94C7D79A5ED" bold="true" box="[789,879,1698,1722]" pageId="3" pageNumber="498">
|
||
<taxonomicNameLabel id="A23A57D3FFA27C17FC9CF94C7D79A5ED" box="[789,879,1698,1722]" pageId="3" pageNumber="498" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is dark brown while ambulatory legs of male are darker brown and yellowish brown in female (
|
||
<figureCitation id="13462A3FFFA27C17FD2FF9287CFDA589" box="[678,747,1734,1758]" captionStart="FIGURE 3" captionStartId="4.[151,250,1287,1310]" captionTargetBox="[151,1435,409,1265]" captionTargetId="figure@4.[151,1436,409,1266]" captionTargetPageId="4" captionText="FIGURE 3. Elamena samalensis sp. nov., paratype, Ƥ, 5.5 × 4.8 mm (ZRC 2013.0095), Samal Is. Freshly-preserved coloration." httpUri="https://zenodo.org/record/223639/files/figure.png" pageId="3" pageNumber="498">Fig. 3</figureCitation>
|
||
). Both sexes have white spots on the surface of legs in fresh material.
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA27C17FF4EF8E37C38A439" blockId="3.[151,1437,1302,2010]" pageId="3" pageNumber="498">
|
||
<emphasis id="B909EAA8FFA27C17FF4EF8E37C82A471" bold="true" box="[199,660,1805,1830]" pageId="3" pageNumber="498">Habitat and geographical distribution.</emphasis>
|
||
Intertidal to shallow subtidal, depth
|
||
<quantity id="4C859B5FFFA27C17FBB9F8E07A6FA471" box="[1072,1145,1806,1830]" metricMagnitude="0" metricUnit="m" metricValue="1.5" metricValueMax="3.0" metricValueMin="0.0" pageId="3" pageNumber="498" unit="m" value="1.5" valueMax="3.0" valueMin="0.0">0–3 m</quantity>
|
||
, under rocks in rocky and sandy substrate.
|
||
<taxonomicName id="4C7D4D39FFA27C17FEDDF8DC7C2CA41D" box="[340,570,1842,1866]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA27C17FEDDF8DC7C2CA41D" box="[340,570,1842,1866]" italics="true" pageId="3" pageNumber="498">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA27C17FDCAF8DC7C88A41D" box="[579,670,1842,1866]" pageId="3" pageNumber="498" rank="species">
|
||
<emphasis id="B909EAA8FFA27C17FDCAF8DC7C88A41D" bold="true" box="[579,670,1842,1866]" pageId="3" pageNumber="498">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is currently known only from its
|
||
<typeStatus id="54C68818FFA27C17FB96F8DC7A59A41D" box="[1055,1103,1842,1866]" pageId="3" pageNumber="498">type</typeStatus>
|
||
locality, Samal Island, in the Davao Gulf, Mindanao,
|
||
<collectingCountry id="F36A762AFFA27C17FE21F8B87C3CA439" box="[424,554,1878,1902]" name="Philippines" pageId="3" pageNumber="498">Philippines</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3676531FFA27C17FF4EF8947DF2A4C6" box="[199,996,1913,1938]" pageId="3" pageNumber="498" type="etymology">
|
||
<paragraph id="8BC236BAFFA27C17FF4EF8947DF2A4C6" blockId="3.[151,1437,1302,2010]" box="[199,996,1913,1938]" pageId="3" pageNumber="498">
|
||
<emphasis id="B909EAA8FFA27C17FF4EF8947F58A4C5" bold="true" box="[199,334,1914,1938]" pageId="3" pageNumber="498">Etymology.</emphasis>
|
||
This species is named after the
|
||
<typeStatus id="54C68818FFA27C17FD3AF8947CF5A4C5" box="[691,739,1914,1938]" pageId="3" pageNumber="498">type</typeStatus>
|
||
locality, Samal Island.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3676531FFA27C10FF4EF8707C63A233" lastPageId="4" lastPageNumber="499" pageId="3" pageNumber="498" type="discussion">
|
||
<paragraph id="8BC236BAFFA27C17FF4EF8707B8AA48D" blockId="3.[151,1437,1302,2010]" pageId="3" pageNumber="498">
|
||
<emphasis id="B909EAA8FFA27C17FF4EF8707F2DA4E1" bold="true" box="[199,315,1950,1974]" pageId="3" pageNumber="498">Remarks.</emphasis>
|
||
<taxonomicName id="4C7D4D39FFA27C17FECEF8707C27A4E1" box="[327,561,1950,1974]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA27C17FECEF8707C27A4E1" box="[327,561,1950,1974]" italics="true" pageId="3" pageNumber="498">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA27C17FDB4F8707C8AA4E1" box="[573,668,1950,1974]" pageId="3" pageNumber="498" rank="species">
|
||
<emphasis id="B909EAA8FFA27C17FDB4F8707C8AA4E1" bold="true" box="[573,668,1950,1974]" pageId="3" pageNumber="498">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is morphologically similar to members of the
|
||
<taxonomicName id="4C7D4D39FFA27C17FB44F8707B8AA4E1" box="[1229,1436,1950,1974]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="truncata">
|
||
<emphasis id="B909EAA8FFA27C17FB44F8707B8AA4E1" box="[1229,1436,1950,1974]" italics="true" pageId="3" pageNumber="498">Elamena truncata</emphasis>
|
||
</taxonomicName>
|
||
species-group (viz. Ng & Chuang 1996), such as
|
||
<taxonomicName id="4C7D4D39FFA27C17FD41F82D7A0BA48E" authority="Desmarest, 1823" authorityName="Desmarest" authorityYear="1823" box="[712,1053,1985,2010]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="mathoei">
|
||
<emphasis id="B909EAA8FFA27C17FD41F82D7D55A48D" box="[712,835,1986,2010]" italics="true" pageId="3" pageNumber="498">E. mathoei</emphasis>
|
||
(Desmarest, 1823)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C7D4D39FFA27C17FBA3F82D7B61A48E" authority="Stimpson, 1858" authorityName="Stimpson" authorityYear="1858" box="[1066,1399,1985,2010]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="498" phylum="Arthropoda" rank="species" species="truncata">
|
||
<emphasis id="B909EAA8FFA27C17FBA3F82D7ABFA48D" box="[1066,1193,1987,2010]" italics="true" pageId="3" pageNumber="498">E. truncata</emphasis>
|
||
(Stimpson, 1858)
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="B909EAA8FFA27C17FA0DF82D7B8AA48D" box="[1412,1436,1987,2010]" italics="true" pageId="3" pageNumber="498">E.</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA57C10FF1EFF767C63A233" blockId="4.[151,1436,151,356]" pageId="4" pageNumber="499">
|
||
<taxonomicName id="4C7D4D39FFA57C10FF1EFF767FD5A3F8" authority="Gordon, 1940" authorityName="Gordon" authorityYear="1940" box="[151,451,151,176]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="abrolhensis">
|
||
<emphasis id="B909EAA8FFA57C10FF1EFF767F0FA3E7" box="[151,281,152,176]" italics="true" pageId="4" pageNumber="499">abrolhensis</emphasis>
|
||
Gordon, 1940
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C7D4D39FFA57C10FD8CFF777D40A3F8" authority="Naruse, Mendoza" authorityName="Naruse, Mendoza" box="[517,854,151,176]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="panglao">
|
||
<emphasis id="B909EAA8FFA57C10FD8CFF777C95A3E7" box="[517,643,152,176]" italics="true" pageId="4" pageNumber="499">E. panglao</emphasis>
|
||
Naruse, Mendoza
|
||
</taxonomicName>
|
||
& Ng, 2008, in the general form of the carapace, where the rostrum is truncated rather than tapering, the carapace is subpentagonal, and the anterolateral margin of the carapace is slightly convex, and the junction of the anterolateral and posterolateral margins of the carapace (“posterior lateral angle” of Lucas 1980) is angular (see Gordon 1940; Lucas 1980; Ng & Chuang 1996; Naruse
|
||
<emphasis id="B909EAA8FFA57C10FA01FEEB7EBBA217" italics="true" pageId="4" pageNumber="499">et al</emphasis>
|
||
. 2008). It can be easily distinguished from these congeners, however, by the presence of only one subdistal tooth, rather than two, on the ambulatory dactyli.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF026632FFA57C10FF1EFAE97F13A66B" httpUri="https://zenodo.org/record/223639/files/figure.png" pageId="4" pageNumber="499" targetBox="[151,1435,409,1265]" targetPageId="4">
|
||
<paragraph id="8BC236BAFFA57C10FF1EFAE97F13A66B" blockId="4.[151,1436,1287,1340]" pageId="4" pageNumber="499">
|
||
<emphasis id="B909EAA8FFA57C10FF1EFAE97F0EA64A" bold="true" box="[151,280,1287,1310]" pageId="4" pageNumber="499">FIGURE 3.</emphasis>
|
||
<taxonomicName id="4C7D4D39FFA57C10FEACFAE97FECA64A" box="[293,506,1287,1309]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA57C10FEACFAE97FECA64A" box="[293,506,1287,1309]" italics="true" pageId="4" pageNumber="499">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA57C10FD8EFAE67C48A64A" box="[519,606,1288,1309]" pageId="4" pageNumber="499" rank="species">
|
||
<emphasis id="B909EAA8FFA57C10FD8EFAE67C48A64A" bold="true" box="[519,606,1288,1309]" pageId="4" pageNumber="499">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, paratype, Ƥ, 5.5 × 4.8 mm (ZRC 2013.0095), Samal Is. Freshly-preserved coloration.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C3676531FFA57C11FF4EFA877B4EA298" lastPageId="5" lastPageNumber="500" pageId="4" pageNumber="499" type="description">
|
||
<paragraph id="8BC236BAFFA57C11FF4EFA877ED5A268" blockId="4.[151,1436,1384,2021]" lastBlockId="5.[151,1437,151,463]" lastPageId="5" lastPageNumber="500" pageId="4" pageNumber="499">
|
||
<taxonomicName id="4C7D4D39FFA57C10FF4EFA877FBBA6D6" box="[199,429,1385,1409]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA57C10FF4EFA877FBBA6D6" box="[199,429,1385,1409]" italics="true" pageId="4" pageNumber="499">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA57C10FE3DFA877C18A6D6" box="[436,526,1385,1409]" pageId="4" pageNumber="499" rank="species">
|
||
<emphasis id="B909EAA8FFA57C10FE3DFA877C18A6D6" bold="true" box="[436,526,1385,1409]" pageId="4" pageNumber="499">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is most similar to
|
||
<taxonomicName id="4C7D4D39FFA57C10FD69FA847D94A6D6" box="[736,898,1385,1409]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FD69FA847D94A6D6" box="[736,898,1385,1409]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
Ng & Chuang, 1996, in the general form of the carapace, by having a small portion of the rostral keel visible in dorsal view, and in having only one subdistal tooth on the ambulatory dactylus. The latter condition is shared by only one other species,
|
||
<taxonomicName id="4C7D4D39FFA57C10FBD0FA5C7B8EA69F" authority="Gravely, 1927" authorityName="Gravely" authorityYear="1927" box="[1113,1432,1456,1481]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="cristatipes">
|
||
<emphasis id="B909EAA8FFA57C10FBD0FA5C7AFBA69E" box="[1113,1261,1458,1481]" italics="true" pageId="4" pageNumber="499">E. cristatipes</emphasis>
|
||
Gravely, 1927
|
||
</taxonomicName>
|
||
, although this species can easily be separated from the other two by the shape of its carapace and by the cristate anterior border of its ambulatory propodi (see Gravely 1927: pl. 21 fig. 24; Ng & Chuang 1996: fig. 7). The new species can be distinguished from
|
||
<taxonomicName id="4C7D4D39FFA57C10FD94F9F07CD6A562" box="[541,704,1565,1589]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FD94F9F07CD6A562" box="[541,704,1565,1589]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
by the following morphological features: 1) the rostrum is more projecting and more distinctly separated from the carapace anterolateral margin (
|
||
<figureCitation id="13462A3FFFA57C10FBA1F9AE7A71A50F" box="[1064,1127,1600,1624]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="4" pageNumber="499">Fig. 1</figureCitation>
|
||
A) (rostrum less projecting in
|
||
<taxonomicName id="4C7D4D39FFA57C10FF31F9887F48A52A" box="[184,350,1637,1661]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FF31F9887F48A52A" box="[184,350,1637,1661]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
; cf. Ng & Chuang 1996: fig. 11A); 2) the anterior margin of the rostrum is slightly convex medially (
|
||
<figureCitation id="13462A3FFFA57C10FE85F9667F58A5F7" box="[268,334,1672,1696]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="4" pageNumber="499">Fig. 1</figureCitation>
|
||
A) (straight in
|
||
<taxonomicName id="4C7D4D39FFA57C10FD8BF9647CBEA5F6" box="[514,680,1673,1697]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FD8BF9647CBEA5F6" box="[514,680,1673,1697]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
; cf. Ng & Chuang 1996: fig. 11B); 3) the anterior region of the epistome is relatively flat and the posterior region is more produced ventrally, i.e., thicker (
|
||
<figureCitation id="13462A3FFFA57C10FB05F9437ADCA592" box="[1164,1226,1709,1733]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="4" pageNumber="499">Fig. 1</figureCitation>
|
||
F) (anterior region forms a transverse ridge, posterior region less produced, i.e., thinner, in
|
||
<taxonomicName id="4C7D4D39FFA57C10FC5BF93C7A61A5BE" box="[978,1143,1745,1769]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FC5BF93C7A61A5BE" box="[978,1143,1745,1769]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
); 4) the finger tips of the chelae are simple, not bifurcate (
|
||
<figureCitation id="13462A3FFFA57C10FD9AF91B7C42A45A" box="[531,596,1781,1805]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="4" pageNumber="499">Fig. 1</figureCitation>
|
||
G) (bifurcate in
|
||
<taxonomicName id="4C7D4D39FFA57C10FC9FF9187DADA45A" box="[790,955,1781,1805]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FC9FF9187DADA45A" box="[790,955,1781,1805]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
; cf. Ng & Chuang 1996: fig.
|
||
<date id="FFC3107AFFA57C10FA90F91B7B57A45A" box="[1305,1345,1781,1805]" pageId="4" pageNumber="499" value="2011-01">11I</date>
|
||
); 5) the ambulatory legs are relatively longer and more slender, with merus length: carapace length ratio = 0.7, merus length: width ratio = 8.1 (
|
||
<figureCitation id="13462A3FFFA57C10FE5CF8D37C01A402" box="[469,535,1853,1877]" captionStart="FIGURE 1" captionStartId="2.[151,250,1944,1967]" captionTargetBox="[178,1412,221,1887]" captionTargetId="figure@2.[151,1436,195,1920]" captionTargetPageId="2" captionText="FIGURE 1. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. A, habitus, dorsal view; B, propodus and dactylus of right P 4, dorsal view; C, abdomen (pleotelson and somites 1 – 5); D, anterior region, ventral view; E, left third maxilliped, external view; F, epistome, anterior view; and G, left chela, external view. Scale bars: A – G = 1.0 mm." httpUri="https://zenodo.org/record/223637/files/figure.png" pageId="4" pageNumber="499">Fig. 1</figureCitation>
|
||
A) (relatively shorter and less slender in
|
||
<taxonomicName id="4C7D4D39FFA57C10FC76F8D07AB3A402" box="[1023,1189,1853,1877]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FC76F8D07AB3A402" box="[1023,1189,1853,1877]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
, with merus length: carapace length ratio = 0.6, merus length: width ratio = 5.0; cf. Ng & Chuang 1996: fig. 11G); and 6) the apex of the female pleotelson is convex (concave in
|
||
<taxonomicName id="4C7D4D39FFA57C10FD02F8687D38A4CA" box="[651,814,1925,1949]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FD02F8687D38A4CA" box="[651,814,1925,1949]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
; cf. Ng & Chuang 1996: fig. 11J). The male characters for
|
||
<taxonomicName id="4C7D4D39FFA57C10FF37F8447F49A496" box="[190,351,1961,1985]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="simplidenta">
|
||
<emphasis id="B909EAA8FFA57C10FF37F8447F49A496" box="[190,351,1961,1985]" italics="true" pageId="4" pageNumber="499">E. simplidenta</emphasis>
|
||
</taxonomicName>
|
||
are not known. The shape of the male abdomen of
|
||
<taxonomicName id="4C7D4D39FFA57C10FC13F8447A22A496" box="[922,1076,1961,1985]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA57C10FC13F8447A22A496" box="[922,1076,1961,1985]" italics="true" pageId="4" pageNumber="499">E. samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA57C10FBB2F8477A82A496" box="[1083,1172,1961,1985]" pageId="4" pageNumber="499" rank="species">
|
||
<emphasis id="B909EAA8FFA57C10FBB2F8477A82A496" bold="true" box="[1083,1172,1961,1985]" pageId="4" pageNumber="499">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is perhaps most similar to that of
|
||
<taxonomicName id="4C7D4D39FFA57C10FE8EF8207C44A4B2" authority="Gordon, 1940" authorityName="Gordon" authorityYear="1940" box="[263,594,1997,2021]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="499" phylum="Arthropoda" rank="species" species="abrolhensis">
|
||
<emphasis id="B909EAA8FFA57C10FE8EF8207FBCA4B2" box="[263,426,1997,2021]" italics="true" pageId="4" pageNumber="499">E. abrolhensis</emphasis>
|
||
Gordon, 1940
|
||
</taxonomicName>
|
||
, but the apex of the pleotelson of the former is more pointed and has two hollow depressions on either side just above the suture with the fifth abdominal somite, whereas the latter has a more rounded apex. Furthermore, the lateral margins of abdominal somites 3 and 4 are also convex in the new species, and those of the fifth abdominal somite are concave (lateral margins distally concave for abdominal somites 3 and 4 and convex for abdominal somite
|
||
<quantity id="4C859B5FFFA47C11FD5BFEEA7CE8A24B" box="[722,766,260,284]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="5" pageNumber="500" unit="in" value="5.0">5 in</quantity>
|
||
<taxonomicName id="4C7D4D39FFA47C11FC8FFEEB7DBEA24B" box="[774,936,260,284]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="500" phylum="Arthropoda" rank="species" species="abrolhensis">
|
||
<emphasis id="B909EAA8FFA47C11FC8FFEEB7DBEA24B" box="[774,936,260,284]" italics="true" pageId="5" pageNumber="500">E. abrolhensis</emphasis>
|
||
</taxonomicName>
|
||
) (cf. Gordon 1940: fig. 7c; Lucas 1980: fig.
|
||
<quantity id="4C859B5FFFA47C11FF1EFEC97EA3A268" box="[151,181,295,319]" metricMagnitude="-3" metricUnit="kg" metricValue="8.0" pageId="5" pageNumber="500" unit="g" value="8.0">8g</quantity>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BC236BAFFA47C11FF4EFEA27B4EA298" blockId="5.[151,1437,151,463]" pageId="5" pageNumber="500">
|
||
The shape of the G1 of
|
||
<taxonomicName id="4C7D4D39FFA47C11FE5BFEA27CAEA233" box="[466,696,332,356]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="500" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA47C11FE5BFEA27CAEA233" box="[466,696,332,356]" italics="true" pageId="5" pageNumber="500">Elamena samalensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B909EAA8FFA47C11FD36FEA27D0FA233" bold="true" box="[703,793,332,356]" pageId="5" pageNumber="500">
|
||
<taxonomicNameLabel id="A23A57D3FFA47C11FD36FEA27D0FA233" box="[703,793,332,356]" pageId="5" pageNumber="500" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="13462A3FFFA47C11FCA0FEA27D7BA233" box="[809,877,332,356]" captionStart="FIGURE 2" captionStartId="3.[151,250,1178,1201]" captionTargetBox="[181,1419,203,1138]" captionTargetId="figure@3.[151,1436,193,1157]" captionTargetPageId="3" captionText="FIGURE 2. Elamena samalensis sp. nov., holotype, ♂, 4.7 x 4.2 mm (NMCR 39074), Samal Is. Right G 1, A, external (ventral) view; B, internal (dorsal) view; C, distal end, external view; and D, distal end, internal view. Scale bars: A, B = 1.0 mm; C, D = 0.2 mm." httpUri="https://zenodo.org/record/223638/files/figure.png" pageId="5" pageNumber="500">Fig. 2</figureCitation>
|
||
) is closest to that of
|
||
<taxonomicName id="4C7D4D39FFA47C11FBD1FEA37AEFA233" box="[1112,1273,332,356]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="500" phylum="Arthropoda" rank="species" species="abrolhensis">
|
||
<emphasis id="B909EAA8FFA47C11FBD1FEA37AEFA233" box="[1112,1273,332,356]" italics="true" pageId="5" pageNumber="500">E. abrolhensis</emphasis>
|
||
</taxonomicName>
|
||
. Both of them are twisted forming an S-shape, but the twisting and curvature of the G1 of
|
||
<taxonomicName id="4C7D4D39FFA47C11FC77FE9F7A8CA2DF" box="[1022,1178,368,392]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="500" phylum="Arthropoda" rank="species" species="samalensis" status="sp. nov.">
|
||
<emphasis id="B909EAA8FFA47C11FC77FE9F7A8CA2DF" box="[1022,1178,368,392]" italics="true" pageId="5" pageNumber="500">E. samalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23A57D3FFA47C11FB2BFE9E7AE8A2DF" box="[1186,1278,368,392]" pageId="5" pageNumber="500" rank="species">
|
||
<emphasis id="B909EAA8FFA47C11FB2BFE9E7AE8A2DF" bold="true" box="[1186,1278,368,392]" pageId="5" pageNumber="500">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is tighter and more pronounced than that of
|
||
<taxonomicName id="4C7D4D39FFA47C11FE61FE7B7C9FA2FB" box="[488,649,404,428]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="500" phylum="Arthropoda" rank="species" species="abrolhensis">
|
||
<emphasis id="B909EAA8FFA47C11FE61FE7B7C9FA2FB" box="[488,649,404,428]" italics="true" pageId="5" pageNumber="500">E. abrolhensis</emphasis>
|
||
</taxonomicName>
|
||
(cf. Gordon 1940: fig. 7a; Lucas 1980: fig.
|
||
<date id="FFC3107AFFA47C11FBFBFE7A7A8CA2FB" box="[1138,1178,404,428]" pageId="5" pageNumber="500" value="2010-01">10I</date>
|
||
). In addition, the distal tip of the G1 of the new species has fewer subterminal setae (cf. Gordon 1940: fig. 7a; Lucas 1980: fig.
|
||
<date id="FFC3107AFFA47C11FAAAFE597B5DA298" box="[1315,1355,439,463]" pageId="5" pageNumber="500" value="2010-01">10I</date>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |