181 lines
28 KiB
XML
181 lines
28 KiB
XML
<document id="BA40EC8A9F51ED9B4D5B249CBADCA655" ID-DOI="10.1080/00222930903108462" ID-ISSN="1464-5262" ID-Zenodo-Dep="5218118" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629305776132" checkinUser="felipe" docAuthor="Mercado-Salas, Nancy & Suárez-Morales, Eduardo" docDate="2009" docId="03D8693FFFC1FF89FE68B3A5176A85E7" docLanguage="en" docName="JNatHist.43.45-46.2789-288.pdf" docOrigin="Journal of Natural History 43 (45 - 46)" docSource="http://dx.doi.org/10.1080/00222930903108462" docStyle="DocumentStyle:FCA295E821436EF9307F50C7AC261B53.5:JNatHist.2008-2012.journal_article.1cover" docStyleId="FCA295E821436EF9307F50C7AC261B53" docStyleName="JNatHist.2008-2012.journal_article.1cover" docStyleVersion="5" docTitle="Paracyclops chiltoni" docType="treatment" docVersion="3" lastPageNumber="2803" masterDocId="FFE11147FFCCFF86FFB7B672156C8369" masterDocTitle="A new species and illustrated records of Paracyclops Claus, 1893 (Copepoda: Cyclopoida: Cyclopinae) from Mexico" masterLastPageNumber="2808" masterPageNumber="2789" pageNumber="2801" updateTime="1699068019408" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="26D2A0A356D0D7A6372FFCD92B3885FC">A new species and illustrated records of Paracyclops Claus, 1893 (Copepoda: Cyclopoida: Cyclopinae) from Mexico</mods:title>
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<mods:namePart id="555438A15D427C63869197DDB154F7FB">Mercado-Salas, Nancy</mods:namePart>
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<mods:namePart id="8DD2F65D76DF5C7C305335966A79F0E0">Suárez-Morales, Eduardo</mods:namePart>
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<mods:title id="5E0CDC53BA816C9F4A85C7A3717F11D4">Journal of Natural History</mods:title>
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<mods:part id="1E9CE6BF07096706F44F263FF675B5CC">
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<mods:date id="0B46374F2232361E8DC5DA68B9996D35">2009</mods:date>
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<mods:number id="06DFF0656C41812B3CD37906DF82C5D9">2009-11-23</mods:number>
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<mods:number id="65914572B55FD3D6E70E4F968945B7A3">43</mods:number>
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<mods:number id="5AD2F89EA8094DC7BDA9350146216877">45 - 46</mods:number>
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<mods:url id="426F1039CA469B4DBCB7550939090180">http://dx.doi.org/10.1080/00222930903108462</mods:url>
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<mods:identifier id="8266BE8AD2D763BB7E538B1C0DE05BA9" type="DOI">10.1080/00222930903108462</mods:identifier>
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<mods:identifier id="38BB6A01371C0E82487B93607E93C980" type="ISSN">1464-5262</mods:identifier>
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<subSubSection id="C36B8BA2FFC1FF8BFE68B3A516E48686" box="[479,904,1495,1519]" pageId="13" pageNumber="2801" type="nomenclature">
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<paragraph id="8BCED829FFC1FF8BFE68B3A516E48686" blockId="13.[479,904,1495,1549]" box="[479,904,1495,1519]" pageId="13" pageNumber="2801">
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<heading id="D0866F45FFC1FF8BFE68B3A516E48686" box="[479,904,1495,1519]" centered="true" fontSize="36" level="2" pageId="13" pageNumber="2801" reason="7">
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<taxonomicName id="4C71A3AAFFC1FF8BFE68B3A516E48686" authority="(Thomson, 1882)" baseAuthorityName="Thomson" baseAuthorityYear="1882" box="[479,904,1495,1519]" class="Hexanauplia" family="Cyclopidae" genus="Paracyclops" kingdom="Animalia" order="Cyclopoida" pageId="13" pageNumber="2801" phylum="Arthropoda" rank="species" species="chiltoni">
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<emphasis id="B905043BFFC1FF8BFE68B3A517D38686" bold="true" box="[479,703,1495,1519]" italics="true" pageId="13" pageNumber="2801">Paracyclops chiltoni</emphasis>
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(Thomson, 1882)
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C36B8BA2FFC1FF89FDDFB387176A85E7" lastPageId="15" lastPageNumber="2803" pageId="13" pageNumber="2801" type="description">
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<paragraph id="8BCED829FFC1FF8BFDDFB38717928564" blockId="13.[479,904,1495,1549]" box="[616,766,1525,1549]" pageId="13" pageNumber="2801">
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(
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<figureCitation id="134AC4ACFFC1FF8BFDC7B38717B18564" box="[624,733,1525,1549]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="13" pageNumber="2801">Figures 6</figureCitation>
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,
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<figureCitation id="134AC4ACFFC1FF8BFD5EB387179B8564" box="[745,759,1525,1549]" captionStart="Figure 7" captionStartId="16.[144,211,1361,1383]" captionTargetBox="[149,1098,170,1333]" captionTargetId="figure-85@16.[149,1099,169,1333]" captionTargetPageId="16" captionText="Figure 7. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Leg 2 with separated endopod and exopod; (B) leg 1 with separated endopod; (C) leg 3 with separated exopod; (D) fifth leg. Scale bars A–D, 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5218132" httpUri="https://zenodo.org/record/5218132/files/figure.png" pageId="13" pageNumber="2801">7</figureCitation>
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)
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</paragraph>
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<paragraph id="8BCED829FFC1FF8BFF63B04F14CB853C" blockId="13.[212,423,1597,1621]" box="[212,423,1597,1621]" pageId="13" pageNumber="2801">
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<emphasis id="B905043BFFC1FF8BFF63B04F14CB853C" box="[212,423,1597,1621]" italics="true" pageId="13" pageNumber="2801">Material examined</emphasis>
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</paragraph>
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<paragraph id="8BCED829FFC1FF88FF63B01716698396" blockId="13.[212,1172,1637,1693]" lastBlockId="14.[144,1104,167,255]" lastPageId="14" lastPageNumber="2802" pageId="13" pageNumber="2801">
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<materialsCitation id="3B19D274FFC1FF88FF63B017166E8396" collectingDate="1998-10-13" collectorName="Martha Gutierrez-Aguirre" country="Mexico" lastPageId="14" lastPageNumber="2802" latitude="18.627068" location="Campeche" longLatPrecision="1" longitude="-90.27892" pageId="13" pageNumber="2801" specimenCount="1" stateProvince="Campeche">
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Two adult female specimens from a water reservoir in the lagoon of Silvituc (
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<geoCoordinate id="EE45BEEEFFC1FF8BFF6BB0F714F885F5" box="[220,404,1667,1693]" degrees="18" direction="north" minutes="37" orientation="latitude" pageId="13" pageNumber="2801" precision="1" seconds="37.44" value="18.627068">18°37′37.44′′ N</geoCoordinate>
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,
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<geoCoordinate id="EE45BEEEFFC1FF8BFE1EB0F7170B85F4" box="[425,615,1667,1693]" degrees="90" direction="west" minutes="16" orientation="longitude" pageId="13" pageNumber="2801" precision="1" seconds="44.12" value="-90.27892">90°16′44.12′′ W</geoCoordinate>
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), state of
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<collectingRegion id="49B516CBFFC1FF8BFD58B0F7160585F4" box="[751,873,1669,1693]" country="Mexico" name="Campeche" pageId="13" pageNumber="2801">Campeche</collectingRegion>
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, southeast
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<collectingCountry id="F36698B9FFC1FF8BFC4FB0F7113C85F4" box="[1016,1104,1669,1693]" name="Mexico" pageId="13" pageNumber="2801">Mexico</collectingCountry>
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, coll.
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<collectorName id="2684BDFFFFC2FF88FF27B6D514D283D6" box="[144,446,167,191]" pageId="14" pageNumber="2802">Martha Gutiérrez-Aguirre</collectorName>
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,
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<date id="FFCFFEE9FFC2FF88FE7DB6D517E583D6" box="[458,649,167,191]" pageId="14" pageNumber="2802" value="1998-10-13">
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<collectingDate id="EF8B0701FFC2FF88FE7DB6D517E583D6" box="[458,649,167,191]" pageId="14" pageNumber="2802" value="1998-10-13">13 October 1998</collectingDate>
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</date>
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. One specimen dissected, slide in collection of Zooplankton at ECOSUR-Chetumal (ECO-CHZ-02380). One undissected specimen in vial, ethanol-preserved (ECO-CHZ-02380)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8BCED829FFC2FF88FF27B75D159F822E" blockId="14.[144,243,303,327]" box="[144,243,303,327]" pageId="14" pageNumber="2802">
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<emphasis id="B905043BFFC2FF88FF27B75D159F822E" box="[144,243,303,327]" italics="true" pageId="14" pageNumber="2802">Remarks</emphasis>
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</paragraph>
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<paragraph id="8BCED829FFC2FF88FF27B72517B285E6" blockId="14.[144,1104,343,1679]" pageId="14" pageNumber="2802">
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The main morphological characters stated as diagnostic by Karaytug (1999) for this presumably cosmopolitan species are present in the Mexican specimens; these include: eight antennular segments (
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<figureCitation id="134AC4ACFFC2FF88FDF4B7E517AF82C6" box="[579,707,407,431]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figure 6A</figureCitation>
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), genital double-somite about as long as broad, a relatively short outer seta of the fifth legs, which is as long as the inner spine or slightly longer, the absence of a cluster of spinules on the insertion of two coxobasal setae of the antennae in the female (which is present in the male), and cuticular depressions on the ventral surface of the caudal rami. The specimens from
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<collectingRegion id="49B516CBFFC2FF88FF65B44514228126" box="[210,334,567,591]" country="Mexico" name="Campeche" pageId="14" pageNumber="2802">Campeche</collectingRegion>
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,
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<collectingCountry id="F36698B9FFC2FF88FEEAB44514DB8126" box="[349,439,567,591]" name="Mexico" pageId="14" pageNumber="2802">Mexico</collectingCountry>
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, show some variation with respect to the description of
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<taxonomicName id="4C71A3AAFFC2FF88FF27B42514688106" baseAuthorityName="Thomson" baseAuthorityYear="1882" box="[144,260,599,623]" class="Hexanauplia" family="Cyclopidae" genus="Paracyclops" kingdom="Animalia" order="Cyclopoida" pageId="14" pageNumber="2802" phylum="Arthropoda" rank="species" species="chiltoni">
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<emphasis id="B905043BFFC2FF88FF27B42514688106" box="[144,260,599,623]" italics="true" pageId="14" pageNumber="2802">P. chiltoni</emphasis>
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</taxonomicName>
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from
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<collectingCountry id="F36698B9FFC2FF88FEE7B42A149C8106" box="[336,496,599,623]" name="New Zealand" pageId="14" pageNumber="2802">New Zealand</collectingCountry>
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, the country from where this species was originally described. Our specimens exhibit differences in several characters, including the presence of only two cuticular pits on the ventral surface of the caudal rami (
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<figureCitation id="134AC4ACFFC2FF88FC7FB4E5112E81C6" box="[968,1090,663,687]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figure 6G</figureCitation>
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); according to
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<bibRefCitation id="EFE0A5D8FFC2FF88FE90B4CA17FF81A6" author="Karaytug S & Boxshall GA" box="[295,659,695,720]" pageId="14" pageNumber="2802" pagination="111 - 205" refId="ref7448" refString="Karaytug S, Boxshall GA. 1998 b. Partial revision of Paracyclops Claus, 1893 (Copepoda, Cyclopoida, Cyclopidae) with descriptions of four new species. Bull Nat Hist Mus London (Zool). 64: 111 - 205." type="journal article" year="1998">Karaytug and Boxshall (1998b)</bibRefCitation>
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and Karaytug (1999), this character is weaker or less defined in specimens from outside the Palaearctic region. In the Campeche material, the relative length of the outer seta of the fifth leg is distinctly longer than the inner spine (
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<figureCitation id="134AC4ACFFC2FF88FE43B565171F8046" box="[500,627,791,815]" captionStart="Figure 7" captionStartId="16.[144,211,1361,1383]" captionTargetBox="[149,1098,170,1333]" captionTargetId="figure-85@16.[149,1099,169,1333]" captionTargetPageId="16" captionText="Figure 7. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Leg 2 with separated endopod and exopod; (B) leg 1 with separated endopod; (C) leg 3 with separated exopod; (D) fifth leg. Scale bars A–D, 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5218132" httpUri="https://zenodo.org/record/5218132/files/figure.png" pageId="14" pageNumber="2802">Figure 7D</figureCitation>
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); according to
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<bibRefCitation id="EFE0A5D8FFC2FF88FC81B56A15868026" author="Karaytug S & Boxshall GA" pageId="14" pageNumber="2802" pagination="111 - 205" refId="ref7448" refString="Karaytug S, Boxshall GA. 1998 b. Partial revision of Paracyclops Claus, 1893 (Copepoda, Cyclopoida, Cyclopidae) with descriptions of four new species. Bull Nat Hist Mus London (Zool). 64: 111 - 205." type="journal article" year="1998">Karaytug and Boxshall (1998b)</bibRefCitation>
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, this character was found only in some specimens from
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<collectingCountry id="F36698B9FFC2FF88FC10B54A11278026" box="[935,1099,823,847]" name="New Zealand" pageId="14" pageNumber="2802">New Zealand</collectingCountry>
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, whereas in most other specimens both elements are equally long. The spinulation of the anal somite was most similar to the specimens from
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<collectingCountry id="F36698B9FFC2FF88FCC5B50516DB80E6" box="[882,951,887,911]" name="Brazil" pageId="14" pageNumber="2802">Brazil</collectingCountry>
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depicted by
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<bibRefCitation id="EFE0A5D8FFC2FF88FF27B5EA176080C6" author="Karaytug S & Boxshall GA" box="[144,524,919,944]" pageId="14" pageNumber="2802" pagination="111 - 205" refId="ref7448" refString="Karaytug S, Boxshall GA. 1998 b. Partial revision of Paracyclops Claus, 1893 (Copepoda, Cyclopoida, Cyclopidae) with descriptions of four new species. Bull Nat Hist Mus London (Zool). 64: 111 - 205." type="journal article" year="1998">Karaytug and Boxshall (1998b)</bibRefCitation>
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, with a denser array of the longitudinal row of spinules on the anal cleft (see
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<figureCitation id="134AC4ACFFC2FF88FDB8B5C517E080A6" box="[527,652,951,975]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figure 6F</figureCitation>
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), but with a shorter transverse row, covering only half of the insertion margin of the caudal rami. The caudal rami (
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<figureCitation id="134AC4ACFFC2FF88FF2FB58514458766" box="[152,297,1015,1039]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figure 6F,G</figureCitation>
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) are relatively shorter in both the Mexican (length: width ratio = 3.1) and the
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<collectingCountry id="F36698B9FFC2FF88FF43B26A14FE8746" box="[244,402,1047,1071]" name="New Zealand" pageId="14" pageNumber="2802">New Zealand</collectingCountry>
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(2.9) specimens than in those from
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<collectingCountry id="F36698B9FFC2FF88FCFFB26516E18746" box="[840,909,1047,1071]" name="Brazil" pageId="14" pageNumber="2802">Brazil</collectingCountry>
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(3.5) (Karaytug 1999). As in the
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<collectingCountry id="F36698B9FFC2FF88FEFBB24A148B8726" box="[332,487,1079,1103]" name="New Zealand" pageId="14" pageNumber="2802">New Zealand</collectingCountry>
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specimens, the Campeche females have an innermost terminal caudal seta slightly longer than the posterolateral seta, but in our specimens it is 70% as long as caudal ramus versus 63% in the
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<collectingCountry id="F36698B9FFC2FF88FC99B20A16A487E6" box="[814,968,1143,1167]" name="New Zealand" pageId="14" pageNumber="2802">New Zealand</collectingCountry>
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females. In the specimens of
|
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<taxonomicName id="4C71A3AAFFC2FF88FEE0B2E514A787C6" baseAuthorityName="Thomson" baseAuthorityYear="1882" box="[343,459,1175,1199]" class="Hexanauplia" family="Cyclopidae" genus="Paracyclops" kingdom="Animalia" order="Cyclopoida" pageId="14" pageNumber="2802" phylum="Arthropoda" rank="species" species="chiltoni">
|
||
<emphasis id="B905043BFFC2FF88FEE0B2E514A787C6" box="[343,459,1175,1199]" italics="true" pageId="14" pageNumber="2802">P. chiltoni</emphasis>
|
||
</taxonomicName>
|
||
examined by Karaytug (1999), the diagonal dorsal row of spinules on the caudal rami continues ventrally and is observable in this position, but in the Mexican specimens, spinules are absent from the ventral surface (
|
||
<figureCitation id="134AC4ACFFC2FF88FF20B285147B8666" box="[151,279,1271,1295]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figure 6G</figureCitation>
|
||
). Dorsally, this row is slightly curved anteriorly, as in the specimens from
|
||
<collectingCountry id="F36698B9FFC2FF88FF67B36514798646" box="[208,277,1303,1327]" name="Brazil" pageId="14" pageNumber="2802">Brazil</collectingCountry>
|
||
(see
|
||
<bibRefCitation id="EFE0A5D8FFC2FF88FEE6B36A17DF8646" author="Karaytug S & Boxshall GA" box="[337,691,1303,1328]" pageId="14" pageNumber="2802" pagination="111 - 205" refId="ref7448" refString="Karaytug S, Boxshall GA. 1998 b. Partial revision of Paracyclops Claus, 1893 (Copepoda, Cyclopoida, Cyclopidae) with descriptions of four new species. Bull Nat Hist Mus London (Zool). 64: 111 - 205." type="journal article" year="1998">Karaytug and Boxshall 1998b</bibRefCitation>
|
||
). In leg 1 (
|
||
<figureCitation id="134AC4ACFFC2FF88FC87B36516CA8646" box="[816,934,1303,1327]" captionStart="Figure 7" captionStartId="16.[144,211,1361,1383]" captionTargetBox="[149,1098,170,1333]" captionTargetId="figure-85@16.[149,1099,169,1333]" captionTargetPageId="16" captionText="Figure 7. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Leg 2 with separated endopod and exopod; (B) leg 1 with separated endopod; (C) leg 3 with separated exopod; (D) fifth leg. Scale bars A–D, 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5218132" httpUri="https://zenodo.org/record/5218132/files/figure.png" pageId="14" pageNumber="2802">Figure 7B</figureCitation>
|
||
) there is some variation in the ornamentation of the coxa and the basipod (i.e. distal row with longer and fewer elements in the Mexican specimens, denser cluster on the outer edge of coxa, row of spinules absent on insertion of exopod), but the main difference is in the heavier and denser spinulation of the outer margins of the endopod and exopod. The same is true for legs 2–4 (
|
||
<figureCitation id="134AC4ACFFC2FF88FD39B3C5164386A6" box="[654,815,1463,1487]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figures 6D,E</figureCitation>
|
||
,
|
||
<figureCitation id="134AC4ACFFC2FF88FC8AB3C5161286A6" box="[829,894,1463,1487]" captionStart="Figure 7" captionStartId="16.[144,211,1361,1383]" captionTargetBox="[149,1098,170,1333]" captionTargetId="figure-85@16.[149,1099,169,1333]" captionTargetPageId="16" captionText="Figure 7. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Leg 2 with separated endopod and exopod; (B) leg 1 with separated endopod; (C) leg 3 with separated exopod; (D) fifth leg. Scale bars A–D, 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5218132" httpUri="https://zenodo.org/record/5218132/files/figure.png" pageId="14" pageNumber="2802">7A,C</figureCitation>
|
||
). The coxal ornamentation of leg 4 is similar to that of the
|
||
<collectingCountry id="F36698B9FFC2FF88FD36B3AA16718686" box="[641,797,1495,1519]" name="New Zealand" pageId="14" pageNumber="2802">New Zealand</collectingCountry>
|
||
specimens, with two rows of small spinules versus strong, longer elements in the Brazilian specimens (see Karaytug 1999). The ornamentation of the antennal coxobasis is almost identical to that depicted by
|
||
<bibRefCitation id="EFE0A5D8FFC2FF88FED8B04A17B08526" author="Karaytug S & Boxshall GA" box="[367,732,1591,1616]" pageId="14" pageNumber="2802" pagination="111 - 205" refId="ref7448" refString="Karaytug S, Boxshall GA. 1998 b. Partial revision of Paracyclops Claus, 1893 (Copepoda, Cyclopoida, Cyclopidae) with descriptions of four new species. Bull Nat Hist Mus London (Zool). 64: 111 - 205." type="journal article" year="1998">Karaytug and Boxshall (1998b)</bibRefCitation>
|
||
, except for shorter semi-circular row on middle surface of segment, denser field of spinules on proximal outer surface and inner distal row of spinules (
|
||
<figureCitation id="134AC4ACFFC2FF88FD88B00517BD85E6" box="[575,721,1655,1679]" captionStart="Figure 6" captionStartId="15.[212,279,1365,1387]" captionTargetBox="[216,1168,173,1334]" captionTargetId="figure-118@15.[212,1172,169,1336]" captionTargetPageId="15" captionText="Figure 6. Paracyclops chiltoni, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm." figureDoi="http://doi.org/10.5281/zenodo.5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="14" pageNumber="2802">Figure 6B,C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF0E88A1FFC3FF89FF63B327175D86AA" ID-DOI="http://doi.org/10.5281/zenodo.5218130" ID-Zenodo-Dep="5218130" httpUri="https://zenodo.org/record/5218130/files/figure.png" pageId="15" pageNumber="2803" startId="15.[212,279,1365,1387]" targetBox="[216,1168,173,1334]" targetPageId="15">
|
||
<paragraph id="8BCED829FFC3FF89FF63B327175D86AA" blockId="15.[212,1172,1365,1475]" pageId="15" pageNumber="2803">
|
||
Figure 6.
|
||
<taxonomicName id="4C71A3AAFFC3FF89FEF6B324177C8605" baseAuthorityName="Thomson" baseAuthorityYear="1882" box="[321,528,1366,1388]" class="Hexanauplia" family="Cyclopidae" genus="Paracyclops" kingdom="Animalia" order="Cyclopoida" pageId="15" pageNumber="2803" phylum="Arthropoda" rank="species" species="chiltoni">
|
||
<emphasis id="B905043BFFC3FF89FEF6B324177C8605" box="[321,528,1366,1388]" italics="true" pageId="15" pageNumber="2803">Paracyclops chiltoni</emphasis>
|
||
</taxonomicName>
|
||
, adult female from Campeche, Mexico. (A) Antennule; (B) antenna; (C) coxobasis of antenna, frontal view; (D) leg 4 with separated endopod and exopod; (E) coupler of leg 4; (F) urosome, dorsal view; (G) same, ventral view showing fifth legs. Scale bars A, D–G, 50 µm, B, C, 25 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BCED829FFC3FF89FF49B384176A85E7" blockId="15.[212,1172,1526,1678]" pageId="15" pageNumber="2803">
|
||
Overall, the morphological variations observed in the Mexican specimens from
|
||
<collectingRegion id="49B516CBFFC3FF89FF63B06414278547" box="[212,331,1558,1582]" country="Mexico" name="Campeche" pageId="15" pageNumber="2803">Campeche</collectingRegion>
|
||
are within the range of variability of this species, as demonstrated by
|
||
<bibRefCitation id="EFE0A5D8FFC3FF89FF63B045175B8527" author="Karaytug S & Boxshall GA" box="[212,567,1590,1615]" pageId="15" pageNumber="2803" pagination="111 - 205" refId="ref7448" refString="Karaytug S, Boxshall GA. 1998 b. Partial revision of Paracyclops Claus, 1893 (Copepoda, Cyclopoida, Cyclopidae) with descriptions of four new species. Bull Nat Hist Mus London (Zool). 64: 111 - 205." type="journal article" year="1998">Karaytug and Boxshall (1998b)</bibRefCitation>
|
||
and Karaytug (1999); hence, they are clearly assignable to this species. This is the first illustrated record and morphological comparison of
|
||
<taxonomicName id="4C71A3AAFFC3FF89FF45B004140885E7" baseAuthorityName="Thomson" baseAuthorityYear="1882" box="[242,356,1654,1678]" class="Hexanauplia" family="Cyclopidae" genus="Paracyclops" kingdom="Animalia" order="Cyclopoida" pageId="15" pageNumber="2803" phylum="Arthropoda" rank="species" species="chiltoni">
|
||
<emphasis id="B905043BFFC3FF89FF45B004140885E7" box="[242,356,1654,1678]" italics="true" pageId="15" pageNumber="2803">P. chiltoni</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingCountry id="F36698B9FFC3FF89FE1EB004176E85E7" box="[425,514,1654,1678]" name="Mexico" pageId="15" pageNumber="2803">Mexico</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |