210 lines
19 KiB
XML
210 lines
19 KiB
XML
<document id="49E324BC4A7D02D625F0F7BFD1955416" ID-CLB-Dataset="31245" ID-DOI="http://dx.doi.org/10.3897/zookeys.718.13700" ID-GBIF-Dataset="aee13003-866c-4013-9f32-5d2eb0665856" ID-PMC="PMC5740442" ID-Pensoft-Pub="1313-2970-718-1" ID-PubMed="29290712" ID-ZooBank="924EC9A3EA5447039D91CAF58736DE15" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-718-1" ModsDocOrigin="ZooKeys 718" ModsDocTitle="New Mesopsyllus species from the Bohai Sea, China, re-evaluation of the validity of Vibriopsyllus Kornev & Chertoprud, 2008 and proposal of Sympodella gen. n. (Copepoda, Harpacticoida, Canthocamptidae)" checkinTime="1512429268152" checkinUser="pensoft" docAuthor="Mu, Fang-hong & Huys, Rony" docDate="2017" docId="904AFE47E08513463665DA6657DDECCF" docLanguage="en" docName="ZooKeys 718: 1-33" docOrigin="ZooKeys 718" docSource="http://dx.doi.org/10.3897/zookeys.718.13700" docTitle="Mesopsyllus spiniferus Mu & Huys, 2017, sp. n." docType="treatment" docUuid="CE004F59-6DAC-4B88-B63D-C3A524A05AFB" docUuidSource="ZooBank" docVersion="7" lastPageNumber="3" masterDocId="FF8BFF820807FF9CFFD6FFED025BAF05" masterDocTitle="New Mesopsyllus species from the Bohai Sea, China, re-evaluation of the validity of Vibriopsyllus Kornev & Chertoprud, 2008 and proposal of Sympodella gen. n. (Copepoda, Harpacticoida, Canthocamptidae)" masterLastPageNumber="33" masterPageNumber="1" pageNumber="2" updateTime="1701377418299" updateUser="ExternalLinkService">
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<mods:title id="D70E750435E2416007E2B6AEA5679194">New Mesopsyllus species from the Bohai Sea, China, re-evaluation of the validity of Vibriopsyllus Kornev & Chertoprud, 2008 and proposal of Sympodella gen. n. (Copepoda, Harpacticoida, Canthocamptidae)</mods:title>
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<mods:namePart id="11EBC791DC5374045ECD06471321DAF7">Mu, Fang-hong</mods:namePart>
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<mods:namePart id="A41026989731F26FEA14A70698613E61">Huys, Rony</mods:namePart>
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<mods:title id="A0A22EE84F02E2246ECB8910422CA948">ZooKeys</mods:title>
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<mods:part id="6F73BEEEEC1819FFCFCD6ED436A725CA">
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<mods:date id="59ABD5FDF1D5E87D7B7D5335D66FE341">2017</mods:date>
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<mods:detail id="19CA7058F9C94214D1092C8EE78D4647" type="volume">
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<mods:number id="9D92CE990EADF40430A0F245CA11DDE1">718</mods:number>
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<mods:location id="76E8E78500D81FA15FCE86DECF20518A">
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<mods:url id="04883D36268A75895E5B508E24E9834C">http://dx.doi.org/10.3897/zookeys.718.13700</mods:url>
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<mods:classification id="E5BCE88DF8FD63270367DBCA25649C50">journal article</mods:classification>
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<mods:identifier id="8A99954793F3708E9DC999DE63248D45" type="DOI">http://dx.doi.org/10.3897/zookeys.718.13700</mods:identifier>
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<mods:identifier id="7F0C5AD422416F8FC4054B0F13E62C40" type="Pensoft-Pub">1313-2970-718-1</mods:identifier>
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<treatment id="904AFE47E08513463665DA6657DDECCF" ID-GBIF-Taxon="137584867" LSID="urn:lsid:zoobank.org:act:CE004F59-6DAC-4B88-B63D-C3A524A05AFB" httpUri="http://treatment.plazi.org/id/904AFE47E08513463665DA6657DDECCF" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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<subSubSection id="04F2675ABB3E2CAFC415D71BF781219E" pageId="1" pageNumber="2" type="nomenclature">
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<paragraph id="2436EC13784FE6C8A1ADB17203C48F77" pageId="1" pageNumber="2">
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<taxonomicName id="4595334D6208F362289997F1E939E98B" LSID="http://zoobank.org/CE004F59-6DAC-4B88-B63D-C3A524A05AFB" class="Copepoda" family="Canthocamptidae" genus="Mesopsyllus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesopsyllus spiniferus" order="Harpacticoida" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="spiniferus">Mesopsyllus spiniferus</taxonomicName>
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<taxonomicNameLabel id="37FEAF0206AC4BA6CEFB9DA553AFACF9" pageId="1" pageNumber="2">sp. n.</taxonomicNameLabel>
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Figures 8, 9, 10
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</paragraph>
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</subSubSection>
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<subSubSection id="5566AD178CC083A6F213F5E5DDFEAC23" pageId="2" pageNumber="3" type="type locality">
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<paragraph id="390E76EBEF4527D7180A0B6EF9194170" pageId="2" pageNumber="3">
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<pageBreakToken id="0CB2287E25AC18C668A93A00257F4B5F" pageId="2" pageNumber="3" start="start">Type</pageBreakToken>
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locality.
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</paragraph>
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<paragraph id="48595B15945745C9AAE530B5E877496B" pageId="2" pageNumber="3">
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Eastern China, strait of Bohai Sea, sampling locality C4 (
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<geoCoordinate id="C5820BB8E2C0998C78583E0F96110183" direction="north" orientation="latitude" precision="925" value="38.0">38°00'N</geoCoordinate>
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,
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<geoCoordinate id="7B636F31777B5CD4B1C4F57FAF6F6B0F" direction="east" orientation="longitude" precision="925" value="121.25">121°15'E</geoCoordinate>
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); 23.8 m depth; sandy silt (Fig. 1; Table 1).
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</paragraph>
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</subSubSection>
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<subSubSection id="7877ABE514A2DDBE2F3B3F7668E92F5B" pageId="2" pageNumber="3" type="materials_examined">
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<paragraph id="7BACC78ADD5A0B27005BBBA4EC22C231" pageId="2" pageNumber="3">Material examined.</paragraph>
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<paragraph id="86A385D4498ABAAC0A7C3E3D12BCEE90" pageId="2" pageNumber="3">
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Holotype: adult ♂ dissected on 16 slides (NHMUK reg. no. 2013.1045). Paratypes are 2 ♀♀ dissected on 15 and 17 slides, respectively (NHMUK reg. nos 2013.1046-1047), and 1 ♂ preserved in alcohol (NHMUK reg. no. 2013.1048); one paratype collected from type locality, others from the central Bohai Sea, localities D4 (
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<geoCoordinate id="284011EC0D688CAC61E5AB01D9E0C8C5" direction="north" orientation="latitude" precision="925" value="38.25">38°15'N</geoCoordinate>
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,
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<geoCoordinate id="E714920378A0CEF9EE362A1A8E5A2209" direction="east" orientation="longitude" precision="925" value="120.25">120°15'E</geoCoordinate>
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) and E3 (
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<geoCoordinate id="C6B59CAC01DFDEF0681E415A3E548381" direction="north" orientation="latitude" precision="925" value="38.5">38°30'N</geoCoordinate>
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,
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<geoCoordinate id="28808337912CAEDF265E583B5BDF154E" direction="east" orientation="longitude" precision="925" value="119.5">119°30'E</geoCoordinate>
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), respectively (Fig. 1; Table 1). Collected by F.-h. Mu and Y.-q. Guo in September 1998 and April 1999.
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</paragraph>
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<paragraph id="617618F89FF3CF3544F4A4AD904876E7" pageId="2" pageNumber="3">
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Since the new species is very similar to
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<taxonomicName id="76536DA620E7231746D4CADB5DF29C22" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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its description is largely restricted to those features which are different.
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</paragraph>
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</subSubSection>
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<subSubSection id="357BFC03C06F5F86D32914ECD248ED47" pageId="2" pageNumber="3" type="description">
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<paragraph id="C838670836C48C624042E16F87A5B10F" pageId="2" pageNumber="3">Description of male.</paragraph>
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<paragraph id="5B8FD148BC68971AA97400BC4A046BEE" pageId="2" pageNumber="3">
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Body length 280-320
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<normalizedToken id="EA6CF7B593B0AD88EE102C5436BA3617" originalValue="µm">µm</normalizedToken>
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(n = 2, mean = 300
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<normalizedToken id="561D6688C76163E2CFBCA1873B7F981C" originalValue="µm">µm</normalizedToken>
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). Body covered with pattern of minute pimples (not figured). Urosomal ornamentation (Fig. 8
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<normalizedToken id="B7DDACC44825EC085D1F18402A78A5DD" originalValue="A–C">A-C</normalizedToken>
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) very similar to that of
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<taxonomicName id="FFCA7F560AE1392410F485BECBE3F614" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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except for presence of one additional pair of dorsal spinule rows on urosomite-4.
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</paragraph>
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<caption id="59710A854E693EC6A9C25D190BFF465A" pageId="2" pageNumber="3">
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<paragraph id="E38538F8AA87BF103CC0BC6B42FBCC9B" pageId="2" pageNumber="3">
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Figure 8.
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<taxonomicName id="6410E35451CA5604DCFCD89C4C0EB81A" class="Copepoda" family="Canthocamptidae" genus="Mesopsyllus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesopsyllus spiniferus" order="Harpacticoida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="spiniferus">Mesopsyllus spiniferus</taxonomicName>
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sp. n. (♂): A abdomen, ventral B abdomen, lateral C abdomen, dorsal [Caudal rami in
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<normalizedToken id="F9EF1D3E43B9F12D281A5556C572A14C" originalValue="A–C">A-C</normalizedToken>
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not drawn at full length]. All drawings based on holotype (NHMUK reg. no. 2013.1045).
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</paragraph>
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</caption>
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<paragraph id="A835D096B2639CDFDB07A69EDB9A869D" pageId="2" pageNumber="3">
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Antennae, mouthparts, P6, caudal rami and rostrum as in
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<taxonomicName id="ED632D48112D8BDB097C09B2D51DA9DA" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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.
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</paragraph>
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<paragraph id="07FA906630BDBDB5CB1AC07B69AE8923" pageId="2" pageNumber="3">
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Antennule (Fig. 9
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<normalizedToken id="A07CA5058FFC4B8812A77A30B2E73637" originalValue="A–B">A-B</normalizedToken>
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) 8-segmented. Anterior margin of segment 7 with two spiniform elements (modified setae) instead of three conical elements in
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<taxonomicName id="98FA8EB489FC4FC507DF47CAAD178A5E" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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.
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</paragraph>
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<paragraph id="3CECFC5A322D5EE77A2D840AC3D96A0F" pageId="2" pageNumber="3">
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P1 with different spinular ornamentation on coxa, as figured for ♀ (Fig. 9D). Endopod shorter and inner seta on enp-2 distinctly shorter than in
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<taxonomicName id="A1AD5D8CF342DE565FD3B037906F4AB0" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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.
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</paragraph>
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<paragraph id="BC5E1F60F0D4F13AC6921E779AB1B959" pageId="2" pageNumber="3">
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P2 (Fig. 9C). Coxa with a row of long spinules on anterior surface. Inner seta of exp-2 shorter than in
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<taxonomicName id="BE5E2C0E2F6961DE94F522C07D5A8A3E" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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, only extending to distal margin of exp-3. Endopod 2-segmented. Enp-1 with 1 minute inner seta and spinules along outer, inner and distal margins; outer distal corner produced into spinous process. Enp-2 with spinules along inner and outer margins and a sharp spinous process halfway down outer margin; inner margin with two setae, proximal of which minute and plumose; distal margin with two apical setae and one outer spine.
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</paragraph>
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<caption id="321A18A143A33A1F22FE655090050A50" pageId="2" pageNumber="3">
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<paragraph id="6D3926048B76E3AF9A1406DF1B157020" pageId="2" pageNumber="3">
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Figure 9.
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<taxonomicName id="A7ED2A4F963605C32D7F25377D8AC555" class="Copepoda" family="Canthocamptidae" genus="Mesopsyllus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesopsyllus spiniferus" order="Harpacticoida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="spiniferus">Mesopsyllus spiniferus</taxonomicName>
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sp. n.: A antennule ♂, distal five segments, showing modified elements on segments 6-7 (armature elements on other segments omitted or not drawn at full length), ventral B antennule ♂, distal three segments, showing modified elements on segments 6-7 (elements on segment 8 omitted), anterior C P2 ♂, anterior D P1 ♀, anterior
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<normalizedToken id="DFA538D2157A9FFC99BF84236A1429BE" originalValue="A–C">A-C</normalizedToken>
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based on holotype (NHMUK reg. no. 2013.1045), D based on paratype (NHMUK reg. no. 2013.1046).
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</paragraph>
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</caption>
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<paragraph id="7EF3AE02BE4C7D59847250FE6121C455" pageId="2" pageNumber="3">
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P3 (Fig. 10A). Coxa, basis and exopod as in
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<taxonomicName id="CAEFC3718D4E9610329FE7437511BD57" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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. Inner seta of enp-1 much shorter than in
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<taxonomicName id="E2093AA927ECC9EB7EFFC7C07E854903" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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.
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</paragraph>
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<paragraph id="DC5907136AB0C344A9769808833DBCBB" pageId="2" pageNumber="3">
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P4 (Fig. 10B). Coxa as in
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<taxonomicName id="AE0473E350B29734FD9E8936010C53B6" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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. Basis with a spinous process at inner distal corner and between insertion sites of exopod and endopod. Distal inner seta of exp-3 thicker than proximal one. Inner seta of enp-1 much shorter than in
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<taxonomicName id="7C6A7537E94EC6652A6B97A64A635C12" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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, only reaching distal margin of enp-2; enp-2 longer than in
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<taxonomicName id="2401B60FC2CFB5517B60C620458F76BB" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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, with two (instead of one) inner setae.
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</paragraph>
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<paragraph id="B26F8A90515E2CE8298D6AFD8639ADA4" pageId="2" pageNumber="3">Seta and spine formula of P1-P4 as follows:</paragraph>
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<paragraph id="FBB7688DD8EFA8F9C41241F2B522DEB2" pageId="2" pageNumber="3">
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<table id="5FC7D407907103FBF09AB65650068CA1" pageId="2" pageNumber="3">
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<tr id="2F456F1AEAD44D6CFB3595D12B403FE2" pageId="2" pageNumber="3">
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<td id="9FBFE5538A08BBD98449DDB46E9F24F5" colspan="1" pageId="2" pageNumber="3" rowspan="1">Thoracopod</td>
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<td id="D6131348A881737C636FFED085103526" colspan="1" pageId="2" pageNumber="3" rowspan="1">Exopod</td>
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<td id="DFB0583C6D5F9DC55D90EE619D6716DB" colspan="1" pageId="2" pageNumber="3" rowspan="1">Endopod</td>
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</tr>
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<tr id="EF3E115D7B58D4616459F086730DB44B" pageId="2" pageNumber="3">
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<td id="0F83C017FED31595565F15F7B40162DA" colspan="1" pageId="2" pageNumber="3" rowspan="1">apo</td>
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</tr>
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</table>
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</paragraph>
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<paragraph id="9010B05EBF1BC3CE5F9FC4213876C819" pageId="2" pageNumber="3">Formulae in parentheses denote female condition.</paragraph>
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<paragraph id="48D103EC1FA3E561B756CCC19905518A" pageId="2" pageNumber="3">
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P5 (Fig. 10E). Number of armature elements as in
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<taxonomicName id="116647703E641982B821D9F0F06B540B" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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. Endopodal lobe slightly wider and inner spine more spiniform and shorter than in
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<taxonomicName id="FBC53CDF68E6F03BFE4B7CBD28BA3106" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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. Exopodal setae 1-2 relatively shorter compared to seta 3.
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</paragraph>
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</subSubSection>
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<subSubSection id="975402BD3ED6C7831A7737577FC013A3" pageId="2" pageNumber="3" type="description">
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<paragraph id="6A543710D711525E3FEB138FBCB7D5AD" pageId="2" pageNumber="3">Description of female.</paragraph>
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<paragraph id="7A6507354599C94957C2ACB84CA7239A" pageId="2" pageNumber="3">
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Body length 340-350
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<normalizedToken id="031DBE71E5180FF7074D8FC4AB1E4289" originalValue="µm">µm</normalizedToken>
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(n = 2, mean = 345
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<normalizedToken id="17CEBCFAC13536F79A24D5E84703371E" originalValue="µm">µm</normalizedToken>
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). Body covered with pattern of minute pimples (not figured). Sexual dimorphism in antennule, P3-P5, and urosomal segmentation and ornamentation.
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</paragraph>
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<paragraph id="927A31770DB1002065095FDC26836D58" pageId="2" pageNumber="3">
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Antennule, P5, and urosomal segmentation and ornamentation as in
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<taxonomicName id="F563E27447EF2F6D13C1CBBF9DD91840" lsidName="M. dimorphus" pageId="2" pageNumber="3" rank="species" species="dimorphus">M. dimorphus</taxonomicName>
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.
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</paragraph>
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<paragraph id="1E3FAB6EB208C4DB7F240D1800F21F6D" pageId="2" pageNumber="3">P3 (Fig. 10C). Coxa, basis and exopod as in ♂. Enp-1 with minute inner seta and spinous process at outer distal corner; enp-2 with two inner setae.</paragraph>
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<paragraph id="6F364F5C2DFFE3B4123054803D3F71DA" pageId="2" pageNumber="3">P4 (Fig. 10D). Coxa, basis and exopod as in ♂. Enp-1 with minute, plumose inner seta (indicated by arrow).</paragraph>
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<caption id="1BD024CBC4DC0D9DCB10971F15659C41" pageId="2" pageNumber="3">
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<paragraph id="A80B97CA60449C588EEC507B72659EC8" pageId="2" pageNumber="3">
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Figure 10.
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<taxonomicName id="C37827789E462FF5E21A678FDDDD6EFE" class="Copepoda" family="Canthocamptidae" genus="Mesopsyllus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesopsyllus spiniferus" order="Harpacticoida" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="spiniferus">Mesopsyllus spiniferus</taxonomicName>
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sp. n.: A P3 ♂, anterior B P4 ♂, anterior C P3 endopod ♀, anterior (vestigial seta on enp-1 indicated by arrow) D P4 endopod ♀ (reduced seta on enp-1 indicated by arrow; setae on enp-2 not drawn at full length), anterior E P5 ♂, anterior (minute setae on exopod and endopodal lobe indicated by arrow)
|
||
<normalizedToken id="A0585FB6A6DB71188436D7EE6623A38E" originalValue="A–B">A-B</normalizedToken>
|
||
, E based on holotype (NHMUK reg. no. 2013.1045)
|
||
<normalizedToken id="1EC10F7FF9E90A2E8DE245082B0A8023" originalValue="C–D">C-D</normalizedToken>
|
||
based on paratype (NHMUK reg. no. 2013.1046).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="4FA12DDA687DF3BC62E510AC1807852F" pageId="2" pageNumber="3" type="variability">
|
||
<paragraph id="83C54D10B952458E69EC648683DF15CA" pageId="2" pageNumber="3">Variability.</paragraph>
|
||
<paragraph id="E8ED4E25E7C727EDEDF1D6560BA70AD1" pageId="2" pageNumber="3">Both female specimens display right-left asymmetrical setal formulae on one pair of swimming legs. In the first specimen P3 enp-2 displays only one inner seta on one side and two on the other; in the second specimen P4 exp-3 exhibits one inner seta on one side but two on the other. The male holotype is aberrant in leg 1 with one side represented by a single segment with two distal setae and one outer spine (compare typical condition observed in dissected ♀ paratype: Fig. 9D).</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="32BEDD4F3A222CDA59FBBCBF167CFAD7" pageId="2" pageNumber="3" type="etymology">
|
||
<paragraph id="09B30049250B973A6289A7C2516EA544" pageId="2" pageNumber="3">Etymology.</paragraph>
|
||
<paragraph id="E32F5D5AA1D4CAE460EB651733B85B5A" pageId="2" pageNumber="3">The species name alludes to the two spiniform elements on segment 7 of the male antennule.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |