186 lines
29 KiB
XML
186 lines
29 KiB
XML
<document id="FF00BEAA1AA2988FDB3822FE0C5BC9C3" ID-DOI="10.5281/zenodo.178168" ID-GBIF-Dataset="f5c613e7-5354-4881-bc30-8fa4954d34c8" ID-ISSN="1175-5326" ID-Zenodo-Dep="178168" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459884681511" checkinUser="plazi" docAuthor="Almeida, Alexandre Oliveira De, Guerrazzi, Maria Cec Lia & Coelho, Petr Ȏ Nio Alves" docDate="2007" docId="E218B402FFEF5169FF73F9B44DBDCF2A" docLanguage="en" docName="zt01553p045.pdf" docOrigin="Zootaxa 1553" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Elamena gordonae Monod 1956" docType="treatment" docVersion="8" lastPageNumber="30" masterDocId="1E21CC7AFFF35174FFE4FF8E4C06C900" masterDocTitle="Stomatopod and decapod crustaceans from Camamu Bay, state of Bahia, Brazil" masterLastPageNumber="45" masterPageNumber="1" pageNumber="29" updateTime="1698227730966" updateUser="plazi">
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<mods:title id="F85804AA9F4B5EBCC7B33FF5CEF17F47">Stomatopod and decapod crustaceans from Camamu Bay, state of Bahia, Brazil</mods:title>
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<mods:namePart id="D78D05B37A55210EAC78A56A1F3A6051">Almeida, Alexandre Oliveira De</mods:namePart>
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<mods:namePart id="F857C8E9710D6168C00F77969D05E402">Guerrazzi, Maria Cec Lia</mods:namePart>
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<mods:namePart id="417261635D0E87661283C2C6910F4B5B">Coelho, Petr Ȏ Nio Alves</mods:namePart>
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<mods:date id="2A4A596AB4CE7789E3E18638BBE053AB">2007</mods:date>
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<mods:identifier id="806994C5C6F2FAC38FF29B01A3D9B0F5" type="DOI">10.5281/zenodo.178168</mods:identifier>
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<mods:identifier id="0CFAF344A82DDAADB88DC6EDD537D7EC" type="ISSN">1175-5326</mods:identifier>
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<treatment id="E218B402FFEF5169FF73F9B44DBDCF2A" ID-DOI="http://doi.org/10.5281/zenodo.3506966" ID-GBIF-Taxon="119371241" ID-Zenodo-Dep="3506966" LSID="urn:lsid:plazi:treatment:E218B402FFEF5169FF73F9B44DBDCF2A" httpUri="http://treatment.plazi.org/id/E218B402FFEF5169FF73F9B44DBDCF2A" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29">
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<subSubSection id="22AB569FFFEF5168FF73F9B44CE9CF77" pageId="28" pageNumber="29" type="nomenclature">
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<paragraph id="6A0E0514FFEF5168FF73F9B44E2ECF54" blockId="28.[151,552,1594,1655]" box="[151,552,1594,1620]" pageId="28" pageNumber="29">
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<heading id="3146B278FFEF5168FF73F9B44E2ECF54" bold="true" box="[151,552,1594,1620]" fontSize="11" level="1" pageId="28" pageNumber="29" reason="1">
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<taxonomicName id="ADB17E97FFEF5168FF73F9B44E2ECF54" ID-CoL="38YGH" authority="Monod, 1956" authorityName="Monod" authorityYear="1956" box="[151,552,1594,1620]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="gordonae">
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<emphasis id="58C5D906FFEF5168FF73F9B44E2ECF54" bold="true" box="[151,552,1594,1620]" pageId="28" pageNumber="29">
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<emphasis id="58C5D906FFEF5168FF73F9B44D7BCF54" bold="true" box="[151,381,1594,1620]" italics="true" pageId="28" pageNumber="29">Elamena gordonae</emphasis>
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<bibRefCitation id="0E2078E5FFEF5168FE60F9B44E2ECF54" author="Monod" box="[388,552,1594,1620]" pageId="28" pageNumber="42" refString="Monod, T. (1956) Hippidea et Brachyura ouest-africains. Memoires de l'Institut Francais d'Afrique Noire, 45, 1 - 674." type="journal article" year="1956">Monod, 1956</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="6A0E0514FFEF5168FF73F9D34CE9CF77" blockId="28.[151,552,1594,1655]" box="[151,239,1629,1655]" pageId="28" pageNumber="29">
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(
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<figureCitation id="F28A1991FFEF5168FF7BF9D34CE3CF77" box="[159,229,1629,1655]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="28" pageNumber="29">Fig. 7</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="22AB569FFFEF5168FF73F9234E48CEDF" pageId="28" pageNumber="29" type="materials_examined">
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<paragraph id="6A0E0514FFEF5168FF73F9234841CE17" blockId="28.[151,1437,1709,2015]" pageId="28" pageNumber="29">
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<emphasis id="58C5D906FFEF5168FF73F9234D73CFC6" box="[151,373,1709,1734]" italics="true" pageId="28" pageNumber="29">Material examined</emphasis>
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(N=2). 1f,
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<date id="1E0F23D4FFEF5168FE1EF9234E82CFC7" box="[506,644,1709,1735]" pageId="28" pageNumber="29" value="2004-09-25">25/IX/2004</date>
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, St. 0 5 (
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<collectionCode id="0CA09DD1FFEF5168FD06F9234F59CFC7" box="[738,863,1709,1735]" httpUri="http://grbio.org/cool/yhj1-k4hf" name="Museu de Zoologia da Universidade Estadual de Santa Cruz" pageId="28" pageNumber="29">MZUESC</collectionCode>
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#718); 1f,
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<date id="1E0F23D4FFEF5168FC32F9234872CFC7" box="[982,1140,1709,1735]" pageId="28" pageNumber="29" value="2004-08-29">29/VIII/2004</date>
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, St. 0 5 (
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<collectionCode id="0CA09DD1FFEF5168FB36F9234949CFC7" box="[1234,1359,1709,1735]" httpUri="http://grbio.org/cool/yhj1-k4hf" name="Museu de Zoologia da Universidade Estadual de Santa Cruz" pageId="28" pageNumber="29">MZUESC</collectionCode>
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#719).
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<emphasis id="58C5D906FFEF5168FF23F95B4D58CFEE" box="[199,350,1749,1774]" italics="true" pageId="28" pageNumber="29">Distribution.</emphasis>
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Western Atlantic –
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<collectingCountry id="12A64584FFEF5168FDA3F95B4E89CFEF" box="[583,655,1749,1775]" name="Brazil" pageId="28" pageNumber="29">Brazil</collectingCountry>
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(Sergipe). Eastern Atlantic – from
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<collectingCountry id="12A64584FFEF5168FBCFF95B4886CFEF" box="[1067,1152,1749,1775]" name="Guinea-Bissau" pageId="28" pageNumber="29">Guinea</collectingCountry>
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to
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<collectingCountry id="12A64584FFEF5168FB41F95B4939CFEF" box="[1189,1343,1749,1775]" name="Sierra Leone" pageId="28" pageNumber="29">Sierra Leone</collectingCountry>
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. Pacific – Northeast
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<collectingCountry id="12A64584FFEF5168FEC2F9734D97CE17" box="[294,401,1789,1815]" name="Australia" pageId="28" pageNumber="29">Australia</collectingCountry>
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(
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<bibRefCitation id="0E2078E5FFEF5168FE44F9734E3ACE17" author="Monod" box="[416,572,1789,1815]" pageId="28" pageNumber="42" refString="Monod, T. (1956) Hippidea et Brachyura ouest-africains. Memoires de l'Institut Francais d'Afrique Noire, 45, 1 - 674." type="journal article" year="1956">Monod 1956</bibRefCitation>
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;
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<bibRefCitation id="0E2078E5FFEF5168FDADF9734ED2CE17" author="Lucas" box="[585,724,1789,1815]" pageId="28" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas 1980</bibRefCitation>
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;
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<bibRefCitation id="0E2078E5FFEF5168FD04F973483DCE17" author="Coelho" box="[736,1083,1789,1815]" pageId="28" pageNumber="40" refString="Coelho Filho, P. A. & Coelho, P. A. (2002) Ocorrencia de Elamena gordonae Monod, 1956 no Oceano Atlantico Ocidental (Crustacea, Decapoda, Hymenosomatidae). Resumos do XXIV Congresso Brasileiro de Zoologia, 124." type="journal article" year="2002">Coelho Filho & Coelho 2002</bibRefCitation>
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).
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</paragraph>
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<paragraph id="6A0E0514FFEF5168FF23F8AB4E48CEDF" blockId="28.[151,1437,1709,2015]" pageId="28" pageNumber="29">
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<emphasis id="58C5D906FFEF5168FF23F8AB4D92CE3E" box="[199,404,1829,1854]" italics="true" pageId="28" pageNumber="29">Ecological notes.</emphasis>
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Known from few specimens around the world, and very little is known about its ecology.
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<typeStatus id="B50ABBB6FFEF5168FF2BF8C34D0FCE67" box="[207,265,1869,1895]" pageId="28" pageNumber="29">Type</typeStatus>
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material was collected between
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<quantity id="AD49A8F1FFEF5168FD62F8C34EE8CE67" box="[646,750,1869,1895]" metricMagnitude="1" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="28" pageNumber="29" unit="m" value="35.0" valueMax="40.0" valueMin="30.0">30–40 m</quantity>
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off the West Africa coast (
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<bibRefCitation id="0E2078E5FFEF5168FBC3F8C348C2CE67" author="Monod" box="[1063,1220,1869,1895]" pageId="28" pageNumber="42" refString="Monod, T. (1956) Hippidea et Brachyura ouest-africains. Memoires de l'Institut Francais d'Afrique Noire, 45, 1 - 674." type="journal article" year="1956">Monod 1956</bibRefCitation>
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). Australian material was collected at 10 fathoms in Queensland (
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<bibRefCitation id="0E2078E5FFEF5168FD2CF8FB4F50CE8F" author="Lucas" box="[712,854,1909,1935]" pageId="28" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas 1980</bibRefCitation>
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). Material from Sergipe,
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<collectingCountry id="12A64584FFEF5168FB98F8FB48C0CE8F" box="[1148,1222,1909,1935]" name="Brazil" pageId="28" pageNumber="29">Brazil</collectingCountry>
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, was obtained at a depth of
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<quantity id="AD49A8F1FFEF5168FF1BF8134D3BCEB7" box="[255,317,1949,1975]" metricMagnitude="1" metricUnit="m" metricValue="1.3" pageId="28" pageNumber="29" unit="m" value="13.0">13 m</quantity>
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, on hard bottom associated with sponges and hydrocorals (
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<bibRefCitation id="0E2078E5FFEF5168FC0BF813494ACEB7" author="Coelho" box="[1007,1356,1949,1975]" pageId="28" pageNumber="40" refString="Coelho Filho, P. A. & Coelho, P. A. (2002) Ocorrencia de Elamena gordonae Monod, 1956 no Oceano Atlantico Ocidental (Crustacea, Decapoda, Hymenosomatidae). Resumos do XXIV Congresso Brasileiro de Zoologia, 124." type="journal article" year="2002">Coelho Filho & Coelho 2002</bibRefCitation>
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).
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<emphasis id="58C5D906FFEF5168FF23F84B4E06CEDE" box="[199,512,1989,2014]" italics="true" pageId="28" pageNumber="29">Previous records in Bahia.</emphasis>
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None.
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</paragraph>
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</subSubSection>
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<subSubSection id="22AB569FFFEE5169FF23FF164DBDCF2A" pageId="29" pageNumber="30" type="discussion">
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<paragraph id="6A0E0514FFEE5169FF23FF164F2CCA32" blockId="29.[151,1437,152,1578]" pageId="29" pageNumber="30">
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<emphasis id="58C5D906FFEE5169FF23FF164D33C9B1" box="[199,309,152,177]" italics="true" pageId="29" pageNumber="30">Remarks.</emphasis>
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The material examined by us was composed of two ovigerous females, which show some morphological variation from to each other. One of the specimens (3.4 x 2.9 mm CL x CW) (MZUESC#719) (
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<figureCitation id="F28A1991FFEE5169FA89FF4E4CA3C802" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Fig. 7</figureCitation>
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A) has a general morphology in agreement with the diagnosis provided by
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<bibRefCitation id="0E2078E5FFEE5169FBEEFF6648AFC802" author="Lucas" box="[1034,1193,232,258]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas (1980)</bibRefCitation>
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. The dorsal carapace surface is convex, and its shape is very similar to the
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<typeStatus id="B50ABBB6FFEE5169FCE9FE9E4F75C82A" box="[781,883,272,298]" pageId="29" pageNumber="30" type="holotype">holotype</typeStatus>
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and
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<typeStatus id="B50ABBB6FFEE5169FC49FE9E4814C82A" box="[941,1042,272,298]" pageId="29" pageNumber="30" type="paratype">paratype</typeStatus>
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carapaces represented by
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<bibRefCitation id="0E2078E5FFEE5169FAA3FE9E4CEFC852" author="Monod" pageId="29" pageNumber="42" refString="Monod, T. (1956) Hippidea et Brachyura ouest-africains. Memoires de l'Institut Francais d'Afrique Noire, 45, 1 - 674." type="journal article" year="1956">Monod (1956)</bibRefCitation>
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. This author noted the existence of a medial longitudinal ridge in the middle of the carapace, whereas
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<bibRefCitation id="0E2078E5FFEE5169FF73FEEE4D30C87A" author="Lucas" box="[151,310,352,378]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas (1980)</bibRefCitation>
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mentioned the existence of a faint gastro-cardiac groove in this region. We observed in the above specimen a very indistinct ridge in the middle of the carapace (
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<figureCitation id="F28A1991FFEE5169FC27FE06480FC8A2" box="[963,1033,392,418]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Fig. 7</figureCitation>
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A). A tuft with a few small curved setae is present in the gastric region, at the beginning of the medial longitudinal ridge (
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<figureCitation id="F28A1991FFEE5169FB73FE3E48DBC8CA" box="[1175,1245,432,458]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Fig. 7</figureCitation>
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A). The rostrum is triangular (
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<figureCitation id="F28A1991FFEE5169FED7FE564D7EC8F2" box="[307,376,472,498]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Fig. 7</figureCitation>
|
||
A), bordered by short small curved setae on its entire contour. The margins of both the carapace and the rostrum are marked by a thick carena. The postocular lobes are undeveloped, and one prominent lobe is present in the pterygostomial region. The chelipeds (
|
||
<figureCitation id="F28A1991FFEE5169FCABFDA64F92CB42" box="[847,916,552,578]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Fig. 7</figureCitation>
|
||
D, E) and walking legs (
|
||
<figureCitation id="F28A1991FFEE5169FB49FDA648FBCB42" box="[1197,1277,552,578]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Figs. 7</figureCitation>
|
||
F–J) are slen- der, with small and sparse setae, except on the ventral face of the dactyli, which has a row of setae along its entire length. The dactyli of pereiopods 2–5 are provided with two subterminal teeth (
|
||
<figureCitation id="F28A1991FFEE5169FB67FDF648D2CB92" box="[1155,1236,632,658]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Figs. 7</figureCitation>
|
||
F–J). The female abdomen is conspicuous at the posterior end of the carapace in dorsal view, resembling the specimen represented by
|
||
<bibRefCitation id="0E2078E5FFEE5169FEEAFD464DAFCBE2" author="Lucas" box="[270,425,712,738]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas (1980)</bibRefCitation>
|
||
in figure 2B.
|
||
<collectingCountry id="12A64584FFEE5169FDAAFD464E68CBE2" box="[590,622,712,738]" name="American Samoa" pageId="29" pageNumber="30">As</collectingCountry>
|
||
observed by the author, the abdomen is slightly broader than the carapace width (3.1: 2.9 mm). The abdominal female segments 1–4 are visible in dorsal view; segments 1 and 2 are very short compared to segments 3–5 and the telson.
|
||
</paragraph>
|
||
<paragraph id="6A0E0514FFEE5169FF73FCCE4E7CCC3A" blockId="29.[151,1437,152,1578]" pageId="29" pageNumber="30">
|
||
The other specimen (3.3 x 2.8 mm CLxCW) (MZUESC#718) (
|
||
<figureCitation id="F28A1991FFEE5169FC9CFCCE4FCCCA5A" box="[888,970,832,858]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Figs. 7</figureCitation>
|
||
B, C) resembles the first one except: the dorsal carapace surface is concave, with the margin of the carapace distinctly higher than the middle of the carapace; and the basis of the rostrum is shorter than that of the other analyzed female and Monod’s (1956) figures 629 and 630, and Lucas' (1980) figure 2B (
|
||
<figureCitation id="F28A1991FFEE5169FD0DFC364F36CAD2" box="[745,816,952,978]" captionStart="FIGURE 7" captionStartId="30.[151,255,1868,1892]" captionTargetBox="[252,1343,201,1828]" captionTargetId="figure@30.[252,1345,200,1832]" captionTargetPageId="30" captionText="FIGURE 7. Elamena gordonae Monod, 1956, from Camamu Bay, Bahia, Brazil. A, D – J, ovigerous female (MZUESC # 719); B, C, ovigerous female (MZUESC # 718). A, B. carapace, dorsal view; C. anterior region with rostrum and eyes, dorsal view; D. left pereiopod 1, dorsal view; E. same, detail of chela; F. right pereiopod 2; G. left pereiopod 3; H. left pereiopod 4; I. right pereiopod 5; J. same, dactyl. Scale bars: A, B, F – I = 1 mm; C – E = 0.5 mm; J = 0.25 mm." httpUri="https://zenodo.org/record/178175/files/figure.png" pageId="29" pageNumber="30">Fig. 7</figureCitation>
|
||
B, C). The anterior region of this specimen is similar in shape to the anterior region of
|
||
<taxonomicName id="ADB17E97FFEE5169FDC5FC6E4F38CAFA" authority="Lucas, 1980" authorityName="Lucas" authorityYear="1980" box="[545,830,992,1018]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="umerata">
|
||
<emphasis id="58C5D906FFEE5169FDC5FC6E4EA2CAF9" box="[545,676,992,1017]" italics="true" pageId="29" pageNumber="30">E. umerata</emphasis>
|
||
<bibRefCitation id="0E2078E5FFEE5169FD48FC6E4F38CAFA" author="Lucas" box="[684,830,992,1018]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas, 1980</bibRefCitation>
|
||
</taxonomicName>
|
||
, from
|
||
<collectingCountry id="12A64584FFEE5169FC68FC6E4FFCCAFA" box="[908,1018,992,1018]" name="Australia" pageId="29" pageNumber="30">Australia</collectingCountry>
|
||
, especially in the shape of rostrum; but the anterior lateral angles are more prominent in the Australian species. Another difference in relation to the other analyzed female was found in the abdomen. Only the small segments 1–2 are visible in dorsal view, as observed in figure 630 (
|
||
<typeStatus id="B50ABBB6FFEE5169FE28FBD64E30CD72" box="[460,566,1112,1138]" pageId="29" pageNumber="30" type="holotype">holotype</typeStatus>
|
||
) provided by
|
||
<bibRefCitation id="0E2078E5FFEE5169FD3CFBD64F80CD72" author="Monod" box="[728,902,1112,1138]" pageId="29" pageNumber="42" refString="Monod, T. (1956) Hippidea et Brachyura ouest-africains. Memoires de l'Institut Francais d'Afrique Noire, 45, 1 - 674." type="journal article" year="1956">Monod (1956)</bibRefCitation>
|
||
. However,
|
||
<bibRefCitation id="0E2078E5FFEE5169FBEDFBD648A1CD72" author="Lucas" box="[1033,1191,1112,1138]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas (1980)</bibRefCitation>
|
||
, in personal communication with Dr. Jacques Forest, was informed that the abdomen of the
|
||
<typeStatus id="B50ABBB6FFEE5169FC06FB0E484FCD9A" box="[994,1097,1152,1178]" pageId="29" pageNumber="30" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="ADB17E97FFEE5169FB94FB0E4906CD99" box="[1136,1280,1152,1177]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="gordonae">
|
||
<emphasis id="58C5D906FFEE5169FB94FB0E4906CD99" box="[1136,1280,1152,1177]" italics="true" pageId="29" pageNumber="30">E. gordonae</emphasis>
|
||
</taxonomicName>
|
||
, deposited at the Muséum National d’Histoire Naturelle, Paris, is like that of the Australian species. In the present individual, the abdomen was firmly attached under the cephalothorax, like a closed chamber, in an opposite situation to what was represented by
|
||
<bibRefCitation id="0E2078E5FFEE5169FE39FB764E7ECC12" author="Lucas" box="[477,632,1272,1298]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas (1980)</bibRefCitation>
|
||
in his figure 2B. These differences in the abdomen, free or attached, are perhaps related to the brooding stage.
|
||
</paragraph>
|
||
<paragraph id="6A0E0514FFEE5169FF23FAC64DBDCF2A" blockId="29.[151,1437,152,1578]" pageId="29" pageNumber="30">
|
||
The majority of hymenosomatid species occur in tropical and subtropical waters of the Indo-Pacific Ocean. Because of their brief larval development and low fecundity, the false spider crabs are unsuited to disperse over long distances. In fact, they have not dispersed eastward across the Pacific (
|
||
<bibRefCitation id="0E2078E5FFEE5169FB6FFA16491FCCB2" author="Lucas" box="[1163,1305,1432,1458]" pageId="29" pageNumber="41" refString="Lucas, J. S. (1980) Spider crabs of the family Hymenosomatidae (Crustacea; Brachyura) with particular reference to Australian species: Systematics and Biology. Records of the Australian Museum, 33 (4), 148 - 247." type="journal article" year="1980">Lucas 1980</bibRefCitation>
|
||
). Although wide distribution is very uncommon in this family, the occurrence of
|
||
<taxonomicName id="ADB17E97FFEE5169FC36FA4E48B7CCD9" box="[978,1201,1472,1497]" class="Malacostraca" family="Hymenosomatidae" genus="Elamena" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="gordonae">
|
||
<emphasis id="58C5D906FFEE5169FC36FA4E48B7CCD9" box="[978,1201,1472,1497]" italics="true" pageId="29" pageNumber="30">Elamena gordonae</emphasis>
|
||
</taxonomicName>
|
||
in western Atlantic suggests a circum-tropical distribution. Because of its tiny size, the species has possibly escaped being noticed and collected previously.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |