272 lines
39 KiB
XML
272 lines
39 KiB
XML
<document id="42B07916308B4C2FFEE736D3A2094E7A" ID-DOI="10.11646/zootaxa.3640.4.6" ID-GBIF-Dataset="ffd70678-6e29-481d-ab9d-da0d5734cd11" ID-ISSN="1175-5326" ID-Zenodo-Dep="220563" ID-ZooBank="67F357D7-1F27-414B-8586-989EB3682726" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460594535636" checkinUser="plazi" docAuthor="Ivan, Marin, Sergey, Sinelnikov & Agniya, Sokolova" docDate="2013" docId="03AC6876FFFB0A2EFF162EA8E7F7F925" docLanguage="en" docName="zt03640p588.pdf" docOrigin="Zootaxa 3640 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pleusymtes japonica Gurjanova 1938" docType="treatment" docVersion="9" lastPageNumber="583" masterDocId="FF95100EFFFA0A2CFF812F51E608FF9B" masterDocTitle="Ecological remarks and re-description of the hermit crab-associated pleustid amphipod Pleusymtes japonica (Gurjanova, 1938) (Crustacea: Amphipoda: Pleustidae: Pleusymtinae) from the Russian coasts of the Sea of Japan" masterLastPageNumber="588" masterPageNumber="581" pageNumber="582" updateTime="1698326519669" updateUser="plazi">
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<mods:title id="4DCCC6323AEA42A3E3441772C4ECB298">Ecological remarks and re-description of the hermit crab-associated pleustid amphipod Pleusymtes japonica (Gurjanova, 1938) (Crustacea: Amphipoda: Pleustidae: Pleusymtinae) from the Russian coasts of the Sea of Japan</mods:title>
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<mods:name id="54CF3D6CD75E720174425ABA2B47F452" type="personal">
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<mods:roleTerm id="A99FC5A2403B4E4ED252CF2A5D758C2C">Author</mods:roleTerm>
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<mods:namePart id="0A87B6D850385FFD739ACDABB6B44BFF">Ivan, Marin</mods:namePart>
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<mods:role id="0194EABBD4ADB6E2BF7C7406AD611942">
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<mods:roleTerm id="408FE2162F91251E2C8F704FDE2867B6">Author</mods:roleTerm>
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<mods:namePart id="9DB5FAD4606DE0AC7654F7926BEBA65B">Sergey, Sinelnikov</mods:namePart>
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<mods:name id="D0458440ED5381490222DD7B7C688D78" type="personal">
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<mods:roleTerm id="CFFD3B15C0CD14AF410021EB0EFD9AB0">Author</mods:roleTerm>
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<mods:namePart id="DB947468D02155E969580AFEDE085415">Agniya, Sokolova</mods:namePart>
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<mods:typeOfResource id="0569169519C6EC42C4D3F91FCE67DC06">text</mods:typeOfResource>
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<mods:title id="0AD788252D2A5981937727823A55560F">Zootaxa</mods:title>
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<mods:part id="2710BED464AECB0BA331C1F764023DF6">
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<mods:date id="F1793C3681A0F099CE7929D0F8014E06">2013</mods:date>
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<mods:detail id="A5AAC8B748FBB1FCB4A8CDB53AA7EE3C" type="volume">
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<mods:number id="908824BF2F01F6EF53ED895C3EF9B4E1">3640</mods:number>
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<mods:detail id="03D7D69E8294BBD94A8331704C1B8B7F" type="issue">
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<mods:number id="42E6EC5E9771B3EF4B0645903FAA3AA7">4</mods:number>
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<mods:classification id="0783565D31688747E5AD1071A90AEEE9">journal article</mods:classification>
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<mods:identifier id="BDDA36CBF71F3D068CA25691B34ADA15" type="DOI">10.11646/zootaxa.3640.4.6</mods:identifier>
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<mods:identifier id="FBA9657947F5CF15E6B95E077BC49080" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03AC6876FFFB0A2EFF162EA8E7F7F925" ID-DOI="http://doi.org/10.5281/zenodo.6165494" ID-GBIF-Taxon="119566379" ID-Zenodo-Dep="6165494" LSID="urn:lsid:plazi:treatment:03AC6876FFFB0A2EFF162EA8E7F7F925" httpUri="http://treatment.plazi.org/id/03AC6876FFFB0A2EFF162EA8E7F7F925" lastPageId="2" lastPageNumber="583" pageId="1" pageNumber="582">
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<subSubSection id="C31F8AEBFFFB0A2DFF162EA8E258FDE2" pageId="1" pageNumber="582" type="nomenclature">
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<paragraph id="8BBAD960FFFB0A2DFF162EA8E472FD89" blockId="1.[151,634,504,564]" box="[151,634,504,531]" pageId="1" pageNumber="582">
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<heading id="D0F26E0CFFFB0A2DFF162EA8E472FD89" bold="true" box="[151,634,504,531]" fontSize="11" level="1" pageId="1" pageNumber="582" reason="1">
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<taxonomicName id="4C05A2E3FFFB0A2DFF162EA8E472FD89" ID-CoL="4KFFV" authority="Gurjanova, 1938" authorityName="Gurjanova" authorityYear="1938" box="[151,634,504,531]" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="1" pageNumber="582" phylum="Arthropoda" rank="species" species="japonica">
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<emphasis id="B9710572FFFB0A2DFF162EA8E472FD89" bold="true" box="[151,634,504,531]" pageId="1" pageNumber="582">
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<emphasis id="B9710572FFFB0A2DFF162EA8E785FD88" bold="true" box="[151,397,505,531]" italics="true" pageId="1" pageNumber="582">Pleusymtes japonica</emphasis>
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(Gurjanova, 1938)
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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="8BBAD960FFFB0A2DFF162D4DE71AFDAF" blockId="1.[151,634,504,564]" box="[151,274,540,564]" pageId="1" pageNumber="582">
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(
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<figureCitation id="133EC5E5FFFB0A2DFF1E2D4DE701FDAF" box="[159,265,540,564]" captionStart-0="FIGURE 1. a" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="3.[151,250,1860,1883]" captionStartId-1="4.[151,250,1978,2001]" captionStartId-2="5.[151,250,1994,2017]" captionStartId-3="6.[151,250,951,974]" captionTargetBox-0="[204,1378,181,1839]" captionTargetBox-1="[173,1430,182,1977]" captionTargetBox-2="[161,1421,185,1935]" captionTargetBox-3="[177,1412,155,938]" captionTargetId-0="figure@3.[204,1380,181,1841]" captionTargetId-1="figure@4.[151,1436,165,1979]" captionTargetId-2="figure@5.[151,1436,159,1973]" captionTargetId-3="figure@6.[151,1436,147,942]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionText-0="FIGURE 1. a — Pleusymtes japonica (Gurjanova, 1938) on hermit crab Pagurus middendorfii Brandt, 1851 in Rudnaya Bay, Sea of Japan (the specimen was not collected; photo A. Shpatak); b, d, e, f — Pleusymtes japonica (Gurjanova, 1938) on the shell occupied by hermit crab Pagurus ochotensis Brandt, 1851 at Furugelma Island, Sea of Japan (the shell is overgrown by hydroids of Hydractinia sp.); c — a pair of Pleusymtes japonica (Gurjanova, 1938) in the shell occupied by Pagurus ochotensis Brandt, 1851; g — fixed specimen of Pleusymtes japonica (Gurjanova, 1938); h — alive specimen of Pleusymtes japonica (Gurjanova, 1938). Arrows indicates specimens of amphipods. Scale— 1 mm." captionText-1="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." captionText-2="FIGURE 3. Pleusymtes japonica (Gurjanova, 1938), female: a — gnathopod I, b — gnathopod II, c — uropods III, d — telson." captionText-3="FIGURE 4. Pleusymtes japonica (Gurjanova, 1938), female: a — pereiopod IV, b — distal segments of pereiopod IV." httpUri-0="https://zenodo.org/record/220564/files/figure.png" httpUri-1="https://zenodo.org/record/220565/files/figure.png" httpUri-2="https://zenodo.org/record/220566/files/figure.png" httpUri-3="https://zenodo.org/record/220567/files/figure.png" pageId="1" pageNumber="582">Figs. 1–4</figureCitation>
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)
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</paragraph>
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<paragraph id="8BBAD960FFFB0A2DFF162D35E258FDE2" blockId="1.[151,1104,611,634]" box="[151,1104,611,634]" pageId="1" pageNumber="582">
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<taxonomicName id="4C05A2E3FFFB0A2DFF162D35E46AFDE2" authority="Gurjanova, 1938: 320" authorityName="Gurjanova" authorityPageNumber="320" authorityYear="1938" box="[151,610,611,634]" class="Malacostraca" family="Pleustidae" genus="Sympleustes" kingdom="Animalia" order="Amphipoda" pageId="1" pageNumber="582" phylum="Arthropoda" rank="species" species="japonicus">
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<emphasis id="B9710572FFFB0A2DFF162D35E773FDE1" box="[151,379,612,634]" italics="true" pageId="1" pageNumber="582">Sympleustes japonicus</emphasis>
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Gurjanova, 1938: 320
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</taxonomicName>
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, fig. 34 [
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<typeStatus id="54BE67C2FFFB0A2DFD3B2D34E4E0FDE1" box="[698,744,613,634]" pageId="1" pageNumber="582">type</typeStatus>
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locality: Petrova Is., Sea of
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<collectingCountry id="F31299F0FFFB0A2DFB862D32E24EFDE2" box="[1031,1094,611,633]" name="Japan" pageId="1" pageNumber="582">Japan</collectingCountry>
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].
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</paragraph>
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</subSubSection>
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<subSubSection id="C31F8AEBFFFB0A2EFF162DF7E36AFD3C" lastPageId="2" lastPageNumber="583" pageId="1" pageNumber="582" type="materials_examined">
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<paragraph id="8BBAD960FFFB0A2DFF162DF7E200FC9D" blockId="1.[151,1437,678,2034]" pageId="1" pageNumber="582">
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<emphasis id="B9710572FFFB0A2DFF162DF7E783FD25" box="[151,395,678,702]" italics="true" pageId="1" pageNumber="582">Material examined.—</emphasis>
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3 large ovigerous females and
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<specimenCount id="9D0312E9FFFB0A2DFD612DF7E563FD25" box="[736,875,678,702]" pageId="1" pageNumber="582" type="juvenile">10 juveniles</specimenCount>
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, the Sea of
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<collectingCountry id="F31299F0FFFB0A2DFC6D2DF6E227FD25" box="[1004,1071,679,702]" name="Japan" pageId="1" pageNumber="582">Japan</collectingCountry>
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,
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<collectingCountry id="F31299F0FFFB0A2DFBBB2DF7E280FD25" box="[1082,1160,678,702]" name="Russia" pageId="1" pageNumber="582">Russia</collectingCountry>
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, the Peter the Great Bay, Furugelma Island, Western Bay, depth 3–6 meters, on the shells occupied by hermit crabs
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<taxonomicName id="4C05A2E3FFFB0A2DFB0E2D9DE364FD78" box="[1167,1388,715,739]" class="Malacostraca" family="Paguridae" genus="Pagurus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="582" phylum="Arthropoda" rank="species" species="ochotensis">
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<emphasis id="B9710572FFFB0A2DFB0E2D9DE364FD78" box="[1167,1388,715,739]" italics="true" pageId="1" pageNumber="582">Pagurus ochotensis</emphasis>
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</taxonomicName>
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and overgrown by hydroids
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<taxonomicName id="4C05A2E3FFFB0A2DFE222DBFE422FC9D" box="[419,554,750,774]" class="Hydrozoa" family="Hydractiniidae" genus="Hydractinia" kingdom="Animalia" order="Anthoathecata" pageId="1" pageNumber="582" phylum="Cnidaria" rank="genus">
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<emphasis id="B9710572FFFB0A2DFE222DBFE422FC9D" box="[419,554,750,774]" italics="true" pageId="1" pageNumber="582">Hydractinia</emphasis>
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</taxonomicName>
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sp., SCUBA, coll. I. Marin,
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<date id="FFBBFFA0FFFB0A2DFCED2DBFE20DFC9D" box="[876,1029,750,774]" pageId="1" pageNumber="582" value="2012-06-15">15 June 2012</date>
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.
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</paragraph>
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<paragraph id="8BBAD960FFFB0A2EFF462C42E6DEFDA7" blockId="1.[151,1437,678,2034]" lastBlockId="2.[151,1437,151,1255]" lastPageId="2" lastPageNumber="583" pageId="1" pageNumber="582">
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<emphasis id="B9710572FFFB0A2DFF462C42E786FCB0" box="[199,398,787,811]" italics="true" pageId="1" pageNumber="582">Brief description.</emphasis>
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—Female. Medium-sized amphipods with smooth body, max. bl.
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<quantity id="4CFD7485FFFB0A2DFB072C43E2EDFCB1" box="[1158,1253,786,810]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="7.0" metricValueMin="6.0" pageId="1" pageNumber="582" unit="mm" value="6.5" valueMax="7.0" valueMin="6.0">6-7 mm</quantity>
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. Rostrum peaklike, reaching basal peduncular article of antenna I. Eyes large, well marked. Antenna I (
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<figureCitation id="133EC5E5FFFB0A2DFB3B2C67E30AFCD5" box="[1210,1282,822,846]" captionStart="FIGURE 2" captionStartId="4.[151,250,1978,2001]" captionTargetBox="[173,1430,182,1977]" captionTargetId="figure@4.[151,1436,165,1979]" captionTargetPageId="4" captionText="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." httpUri="https://zenodo.org/record/220565/files/figure.png" pageId="1" pageNumber="582">Fig. 2</figureCitation>
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<emphasis id="B9710572FFFB0A2DFA802C69E307FCD4" box="[1281,1295,824,847]" italics="true" pageId="1" pageNumber="582">a</emphasis>
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) with basal peduncular article oblong, smooth, about half of the head length, about twice longer that the second and third peduncular articles, with short naked flagellum about 3 times longer than peduncle. Antenna II (
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<figureCitation id="133EC5E5FFFB0A2DFB482C2FE303FC0D" box="[1225,1291,894,918]" captionStart="FIGURE 2" captionStartId="4.[151,250,1978,2001]" captionTargetBox="[173,1430,182,1977]" captionTargetId="figure@4.[151,1436,165,1979]" captionTargetPageId="4" captionText="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." httpUri="https://zenodo.org/record/220565/files/figure.png" pageId="1" pageNumber="582">Fig. 2</figureCitation>
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<emphasis id="B9710572FFFB0A2DFA8D2C2FE312FC0D" box="[1292,1306,894,918]" italics="true" pageId="1" pageNumber="582">b</emphasis>
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) with basal peduncular article oblong, covered with small setae distally, about twice longer than the second and equal to the third peduncular articles, with short naked flagellum about twice longer than the peduncle; accessory flagellum absent. Labrum rounded. Mandible (
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<figureCitation id="133EC5E5FFFB0A2DFDB82CBBE475FB99" box="[569,637,1002,1026]" captionStart="FIGURE 2" captionStartId="4.[151,250,1978,2001]" captionTargetBox="[173,1430,182,1977]" captionTargetId="figure@4.[151,1436,165,1979]" captionTargetPageId="4" captionText="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." httpUri="https://zenodo.org/record/220565/files/figure.png" pageId="1" pageNumber="582">Fig. 2</figureCitation>
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<emphasis id="B9710572FFFB0A2DFDFC2CBDE481FB98" box="[637,649,1004,1027]" italics="true" pageId="1" pageNumber="582">c</emphasis>
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) with strong and long palp, consisting of 3 articles, the distal article armed with strong sharp apical setae (
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<figureCitation id="133EC5E5FFFB0A2DFDCF2B5FE49AFBBD" box="[590,658,1038,1062]" captionStart="FIGURE 2" captionStartId="4.[151,250,1978,2001]" captionTargetBox="[173,1430,182,1977]" captionTargetId="figure@4.[151,1436,165,1979]" captionTargetPageId="4" captionText="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." httpUri="https://zenodo.org/record/220565/files/figure.png" pageId="1" pageNumber="582">Fig. 2</figureCitation>
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<emphasis id="B9710572FFFB0A2DFD122B41E497FBBC" box="[659,671,1040,1063]" italics="true" pageId="1" pageNumber="582">c</emphasis>
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); with lacinia mobilis and incisor process well developed, serrate; incisor process robust, distally armed with short blunt teeth; lacinia mobilis consists of 8
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<emphasis id="B9710572FFFB0A2DFB0A2B62E291FBD1" bold="true" box="[1163,1177,1075,1098]" italics="true" pageId="1" pageNumber="582">–</emphasis>
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10 fused blunt teeth of different sizes. Maxilla I (
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<figureCitation id="133EC5E5FFFB0A2DFE372B07E7F0FBF5" box="[438,504,1110,1134]" captionStart="FIGURE 2" captionStartId="4.[151,250,1978,2001]" captionTargetBox="[173,1430,182,1977]" captionTargetId="figure@4.[151,1436,165,1979]" captionTargetPageId="4" captionText="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." httpUri="https://zenodo.org/record/220565/files/figure.png" pageId="1" pageNumber="582">Fig. 2</figureCitation>
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<emphasis id="B9710572FFFB0A2DFE792B07E40EFBF5" box="[504,518,1110,1134]" italics="true" pageId="1" pageNumber="582">d</emphasis>
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) with inner plate small, with ventral margin armed with thin simple setae and with 6–9 long apical spines; outer plate longer than inner, about twice longer than wide, smooth, armed with 6–9 long sharp spines distally. Maxilla II normal, without special features, slender; outer and inner plates normal, each distally armed with simple setae. Maxilliped (
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<figureCitation id="133EC5E5FFFB0A2DFD152B93E4DEFB41" box="[660,726,1218,1242]" captionStart="FIGURE 2" captionStartId="4.[151,250,1978,2001]" captionTargetBox="[173,1430,182,1977]" captionTargetId="figure@4.[151,1436,165,1979]" captionTargetPageId="4" captionText="FIGURE 2. Pleusymtes japonica (Gurjanova, 1938), female: a — antennula, b — antenna, c — mandible, d — maxilla, e — maxilliped." httpUri="https://zenodo.org/record/220565/files/figure.png" pageId="1" pageNumber="582">Fig. 2</figureCitation>
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<emphasis id="B9710572FFFB0A2DFD542B95E4E9FB40" box="[725,737,1220,1243]" italics="true" pageId="1" pageNumber="582">e</emphasis>
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) normal; inner plates small, partly separated, rounded distally; outer plate reduced, with 4-articulate palp bearing long simple setae along inner lateral margins of segments, all articles are equal by length; propodal article armed with numerous short simple setae along inner margin, dactylus distally pointed, sharp, slightly curved, covered with tiny simple setae along lateral inner margin. Pereon smooth. Gnathopod I (
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<figureCitation id="133EC5E5FFFB0A2DFEB92A03E775FAF1" box="[312,381,1362,1386]" captionStart="FIGURE 3" captionStartId="5.[151,250,1994,2017]" captionTargetBox="[161,1421,185,1935]" captionTargetId="figure@5.[151,1436,159,1973]" captionTargetPageId="5" captionText="FIGURE 3. Pleusymtes japonica (Gurjanova, 1938), female: a — gnathopod I, b — gnathopod II, c — uropods III, d — telson." httpUri="https://zenodo.org/record/220566/files/figure.png" pageId="1" pageNumber="582">Fig. 3</figureCitation>
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<emphasis id="B9710572FFFB0A2DFEFC2A05E783FAF0" box="[381,395,1364,1387]" italics="true" pageId="1" pageNumber="582">a</emphasis>
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) subchelate, equal to gnathopods II (
|
||
<figureCitation id="133EC5E5FFFB0A2DFCBA2A03E588FAF1" box="[827,896,1362,1386]" captionStart="FIGURE 3" captionStartId="5.[151,250,1994,2017]" captionTargetBox="[161,1421,185,1935]" captionTargetId="figure@5.[151,1436,159,1973]" captionTargetPageId="5" captionText="FIGURE 3. Pleusymtes japonica (Gurjanova, 1938), female: a — gnathopod I, b — gnathopod II, c — uropods III, d — telson." httpUri="https://zenodo.org/record/220566/files/figure.png" pageId="1" pageNumber="582">Fig. 3</figureCitation>
|
||
<emphasis id="B9710572FFFB0A2DFC012A02E586FAF0" box="[896,910,1363,1387]" italics="true" pageId="1" pageNumber="582">b</emphasis>
|
||
); coxa short, subrectangular; basis elongated, about 3 times as long as wide; ischium subquadrate, slightly longer than wide, equal to merus, with small rounded distodorsal inner lobe; merus subquadrate with distoventral produced angular lobe bearing a row of long simple setae; carpus triangular in shape, slightly longer than wide, with ventral margin armed with produced lobe with a tuft of long simple setae; propodus (palm) robust, rectangular, about 1.5 times longer than wide, with several large robust setae (“locking teeth”) at the middle of the margin, central part of the margin armed with short thin setae, disto-ventral part of palmar margin convex; dactylus long, curved, about 5 times longer than wide, reaching the locking tooth on palmar margin of propodus, with smooth inner lateral margin. Gnathopod II (
|
||
<figureCitation id="133EC5E5FFFB0A2DFB3C291FE308F9FD" box="[1213,1280,1614,1638]" captionStart="FIGURE 3" captionStartId="5.[151,250,1994,2017]" captionTargetBox="[161,1421,185,1935]" captionTargetId="figure@5.[151,1436,159,1973]" captionTargetPageId="5" captionText="FIGURE 3. Pleusymtes japonica (Gurjanova, 1938), female: a — gnathopod I, b — gnathopod II, c — uropods III, d — telson." httpUri="https://zenodo.org/record/220566/files/figure.png" pageId="1" pageNumber="582">Fig. 3</figureCitation>
|
||
<emphasis id="B9710572FFFB0A2DFA81291FE306F9FD" box="[1280,1294,1614,1638]" italics="true" pageId="1" pageNumber="582">b</emphasis>
|
||
) subchelate, generally similar and equal to gnathopod I; coxa short, subrectangular; basis elongated, about 3 times longer than wide; ischium subquadrate, about as long as wide, with small rounded distodorsal inner lobe; merus elongated, about twice longer than wide, with distoventral angle oblique, armed with a tuft of long simple setae; carpus short, triangular, with well marked distoventral rounded lobe, bearing numerous long simple setae; propodus (palm) rectangular, about 1.7 times longer than wide, without several series of locking teeth at the middle of the margin, central part of the margin armed with short thin setae, disto-ventral part of palmar margin convex; dactylus long, curved, about 5 times longer than wide, reaching the locking tooth on palmar margin of propodus, with smooth inner lateral margin. Pereiopod III normal, without specific morphological features; with smooth segments. Pereiopod IV (
|
||
<figureCitation id="133EC5E5FFFB0A2DFEBF28C3E78AF831" box="[318,386,1938,1962]" captionStart="FIGURE 4" captionStartId="6.[151,250,951,974]" captionTargetBox="[177,1412,155,938]" captionTargetId="figure@6.[151,1436,147,942]" captionTargetPageId="6" captionText="FIGURE 4. Pleusymtes japonica (Gurjanova, 1938), female: a — pereiopod IV, b — distal segments of pereiopod IV." httpUri="https://zenodo.org/record/220567/files/figure.png" pageId="1" pageNumber="582">Fig. 4</figureCitation>
|
||
<emphasis id="B9710572FFFB0A2DFE0328C5E798F830" box="[386,400,1940,1963]" italics="true" pageId="1" pageNumber="582">a</emphasis>
|
||
) with large oval coxal plate having a district basal notch; basis segment elongated, about 3 times longer than wide; ischium subquadrate, about as long as wide; merus elongated, rectangular, about 3 times longer than wide, with 3 short short spines along lateral margins, distodorsal angle produced, triangular; carpus elongated, about twice longer than wide, equal to merus, with several short slender spines along ventral margin, distoventral angle armed with 2 short slender spines; propodus (
|
||
<figureCitation id="133EC5E5FFF80A2EFCFA2FEDE5C8FF4F" box="[891,960,188,212]" captionStart="FIGURE 4" captionStartId="6.[151,250,951,974]" captionTargetBox="[177,1412,155,938]" captionTargetId="figure@6.[151,1436,147,942]" captionTargetPageId="6" captionText="FIGURE 4. Pleusymtes japonica (Gurjanova, 1938), female: a — pereiopod IV, b — distal segments of pereiopod IV." httpUri="https://zenodo.org/record/220567/files/figure.png" pageId="2" pageNumber="583">Fig. 4</figureCitation>
|
||
<emphasis id="B9710572FFF80A2EFC3E2FEDE5C5FF4F" box="[959,973,188,212]" italics="true" pageId="2" pageNumber="583">b</emphasis>
|
||
) rectangular, about 3.5 times as long as wide, with 3 single short spines along ventral margin and a pair of distoventral spines, distoventral angle not oblique; dactylus relatively robust, about 3 times longer than wide, curved, pointed distally, with smooth inner lateral margin bearing numerous small simple setae. Pereiopods V
|
||
<emphasis id="B9710572FFF80A2EFC002E79E587FEA4" bold="true" box="[897,911,296,319]" italics="true" pageId="2" pageNumber="583">–</emphasis>
|
||
VII similar to pereiopod VI. Urosome smooth; epimeral plate III with sharply produced distoventral angles, with several small simple setae along ventral margin. Pleopods biramous, with peduncles about half of the rami length; rami subequal, lined with long simple setae. Uropod I longer than uropod II, biramous; peduncle slightly longer to the length of rami. Uropod II slightly longer than uropod III, biramous, with peduncle longer than rami; rami subequal. Uropod III (
|
||
<figureCitation id="133EC5E5FFF80A2EFB412EE6E301FE54" box="[1216,1289,439,463]" captionStart="FIGURE 3" captionStartId="5.[151,250,1994,2017]" captionTargetBox="[161,1421,185,1935]" captionTargetId="figure@5.[151,1436,159,1973]" captionTargetPageId="5" captionText="FIGURE 3. Pleusymtes japonica (Gurjanova, 1938), female: a — gnathopod I, b — gnathopod II, c — uropods III, d — telson." httpUri="https://zenodo.org/record/220566/files/figure.png" pageId="2" pageNumber="583">Fig. 3</figureCitation>
|
||
<emphasis id="B9710572FFF80A2EFA882EE8E31DFE4B" box="[1289,1301,441,464]" italics="true" pageId="2" pageNumber="583">c</emphasis>
|
||
) biramous, distoventral angle of basal article armed with short spine; the outer rami is about twice longer then the inner rami. Telson (
|
||
<figureCitation id="133EC5E5FFF80A2EFF732EAEE73FFD8C" box="[242,311,511,535]" captionStart="FIGURE 3" captionStartId="5.[151,250,1994,2017]" captionTargetBox="[161,1421,185,1935]" captionTargetId="figure@5.[151,1436,159,1973]" captionTargetPageId="5" captionText="FIGURE 3. Pleusymtes japonica (Gurjanova, 1938), female: a — gnathopod I, b — gnathopod II, c — uropods III, d — telson." httpUri="https://zenodo.org/record/220566/files/figure.png" pageId="2" pageNumber="583">Fig. 3</figureCitation>
|
||
<emphasis id="B9710572FFF80A2EFEB92D51E74EFD83" box="[312,326,512,536]" italics="true" pageId="2" pageNumber="583">d</emphasis>
|
||
) tongue-shaped, bluntly produced, about twice longer than wide, without submarginal spines or setae.
|
||
</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF462D16E443FDC4" blockId="2.[151,1437,151,1255]" box="[199,587,583,607]" pageId="2" pageNumber="583">Males of the species are unknown.</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF462D3DE36AFD3C" blockId="2.[151,1437,151,1255]" pageId="2" pageNumber="583">
|
||
<emphasis id="B9710572FFF80A2EFF462D3DE74EFD1F" box="[199,326,620,644]" italics="true" pageId="2" pageNumber="583">Coloration.</emphasis>
|
||
—Antenna I and II, somites and coxal plates I–IV, somites V, VIII–X are brown; bright yellow stripes are indicated articulations of body somites; other body parts and appendages are whitish translucent; eyes white.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31F8AEBFFF80A2EFF462DE5E475FC77" pageId="2" pageNumber="583" type="description">
|
||
<paragraph id="8BBAD960FFF80A2EFF462DE5E475FC77" blockId="2.[151,1437,151,1255]" pageId="2" pageNumber="583">
|
||
<emphasis id="B9710572FFF80A2EFF462DE5E7A1FD57" box="[199,425,692,716]" italics="true" pageId="2" pageNumber="583">Ecological remarks.</emphasis>
|
||
—Amphipods were firstly seen underwater on the surface of gastropod shells occupied by hermit crabs
|
||
<taxonomicName id="4C05A2E3FFF80A2EFEAE2D88E4A7FD74" authority="Brandt, 1851" authorityName="Brandt" authorityYear="1851" box="[303,687,727,752]" class="Malacostraca" family="Paguridae" genus="Pagurus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="ochotensis">
|
||
<emphasis id="B9710572FFF80A2EFEAE2D88E407FD6B" box="[303,527,728,752]" italics="true" pageId="2" pageNumber="583">Pagurus ochotensis</emphasis>
|
||
Brandt, 1851
|
||
</taxonomicName>
|
||
(Crustacea:
|
||
<taxonomicName id="4C05A2E3FFF80A2EFCBE2D86E5BBFD74" box="[831,947,727,751]" class="Malacostraca" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="order">Decapoda</taxonomicName>
|
||
:
|
||
<taxonomicName id="4C05A2E3FFF80A2EFC402D86E23BFD74" box="[961,1075,727,751]" class="Malacostraca" family="Paguridae" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="family">Paguridae</taxonomicName>
|
||
) and thoroughly overgrown by hydroids of the genus
|
||
<taxonomicName id="4C05A2E3FFF80A2EFE112DADE410FC8F" box="[400,536,764,788]" class="Hydrozoa" family="Hydractiniidae" genus="Hydractinia" kingdom="Animalia" order="Anthoathecata" pageId="2" pageNumber="583" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B9710572FFF80A2EFE112DADE410FC8F" box="[400,536,764,788]" italics="true" pageId="2" pageNumber="583">Hydractinia</emphasis>
|
||
</taxonomicName>
|
||
van Beneden, 1841 (Cnidaria: Hydrozoa:
|
||
<taxonomicName id="4C05A2E3FFF80A2EFC722DADE296FC8F" box="[1011,1182,764,788]" class="Hydrozoa" family="Hydractiniidae" kingdom="Animalia" order="Anthoathecata" pageId="2" pageNumber="583" phylum="Cnidaria" rank="family">Hydractiniidae</taxonomicName>
|
||
), possibly
|
||
<emphasis id="B9710572FFF80A2EFA952DADE6BFFCA3" italics="true" pageId="2" pageNumber="583">
|
||
<taxonomicName id="4C05A2E3FFF80A2EFA952DADE393FC8F" box="[1300,1435,764,788]" class="Hydrozoa" family="Hydractiniidae" genus="Hydractinia" kingdom="Animalia" order="Anthoathecata" pageId="2" pageNumber="583" phylum="Cnidaria" rank="genus">Hydractinia</taxonomicName>
|
||
sp.
|
||
</emphasis>
|
||
“
|
||
<emphasis id="B9710572FFF80A2EFF502C71E73AFCA3" box="[209,306,800,824]" italics="true" pageId="2" pageNumber="583">echinata</emphasis>
|
||
(Fleming, 1828)”. Amphipods were usually observed sitting close to the shell aperture; some specimens were sitting close with the head turned to the direction of the feeding appendages of hermit crabs; no amphipods were found inside observed shells. Amphipods stayed clinging to the surface of shells even shells were removed from water. Photographs from Rudnaya Bay (
|
||
<figureCitation id="133EC5E5FFF80A2EFC972CDDE560FC3F" box="[790,872,908,932]" captionStart="FIGURE 1. a" captionStartId="3.[151,250,1860,1883]" captionTargetBox="[204,1378,181,1839]" captionTargetId="figure@3.[204,1380,181,1841]" captionTargetPageId="3" captionText="FIGURE 1. a — Pleusymtes japonica (Gurjanova, 1938) on hermit crab Pagurus middendorfii Brandt, 1851 in Rudnaya Bay, Sea of Japan (the specimen was not collected; photo A. Shpatak); b, d, e, f — Pleusymtes japonica (Gurjanova, 1938) on the shell occupied by hermit crab Pagurus ochotensis Brandt, 1851 at Furugelma Island, Sea of Japan (the shell is overgrown by hydroids of Hydractinia sp.); c — a pair of Pleusymtes japonica (Gurjanova, 1938) in the shell occupied by Pagurus ochotensis Brandt, 1851; g — fixed specimen of Pleusymtes japonica (Gurjanova, 1938); h — alive specimen of Pleusymtes japonica (Gurjanova, 1938). Arrows indicates specimens of amphipods. Scale— 1 mm." httpUri="https://zenodo.org/record/220564/files/figure.png" pageId="2" pageNumber="583">Fig. 1a</figureCitation>
|
||
) showed that the species is also associated with
|
||
<taxonomicName id="4C05A2E3FFF80A2EFF162CE0E420FC5C" authority="Brandt, 1851" authorityName="Brandt" authorityYear="1851" box="[151,552,943,968]" class="Malacostraca" family="Paguridae" genus="Pagurus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="middendorfii">
|
||
<emphasis id="B9710572FFF80A2EFF162CE0E786FC53" box="[151,398,944,968]" italics="true" pageId="2" pageNumber="583">Pagurus middendorfii</emphasis>
|
||
Brandt, 1851
|
||
</taxonomicName>
|
||
and possibly with other large species of hermit crabs in the area (for example,
|
||
<taxonomicName id="4C05A2E3FFF80A2EFF162C84E471FC77" authority="Thallwitz, 1892" authorityName="Thallwitz" authorityYear="1892" box="[151,633,980,1004]" class="Malacostraca" family="Paguridae" genus="Pagurus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="brachiomastus">
|
||
<emphasis id="B9710572FFF80A2EFF162C84E7AAFC77" box="[151,418,980,1004]" italics="true" pageId="2" pageNumber="583">Pagurus brachiomastus</emphasis>
|
||
(Thallwitz, 1892))
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31F8AEBFFF80A2EFF462CA9E7F7F925" pageId="2" pageNumber="583" type="distribution">
|
||
<paragraph id="8BBAD960FFF80A2EFF462CA9E2F3FBAF" blockId="2.[151,1437,151,1255]" pageId="2" pageNumber="583">
|
||
<emphasis id="B9710572FFF80A2EFF462CA9E75FFB8B" box="[199,343,1016,1040]" italics="true" pageId="2" pageNumber="583">Distribution.</emphasis>
|
||
—The Sea of
|
||
<collectingCountry id="F31299F0FFF80A2EFE742CA9E431FB94" box="[501,569,1016,1039]" name="Japan" pageId="2" pageNumber="583">Japan</collectingCountry>
|
||
: Rudnaya Bay (present paper), Petrova Island (Gurjanova, 1938), Furugelma Island (present paper); at the range of depths from 3 (present paper) to 62 meters (Gurjanova, 1938).
|
||
</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF462B11E7AEFB5F" blockId="2.[151,1437,151,1255]" pageId="2" pageNumber="583">
|
||
<emphasis id="B9710572FFF80A2EFF462B11E7B1FBC3" box="[199,441,1088,1112]" italics="true" pageId="2" pageNumber="583">Taxonomical remarks</emphasis>
|
||
.—Three species currently referring to the genus
|
||
<taxonomicName id="4C05A2E3FFF80A2EFC652B11E316FBCC" authority="Barnard, 1969" authorityName="Barnard" authorityYear="1969" box="[996,1310,1087,1112]" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9710572FFF80A2EFC652B11E26AFBC3" box="[996,1122,1088,1112]" italics="true" pageId="2" pageNumber="583">Pleusymtes</emphasis>
|
||
(Barnard, 1969)
|
||
</taxonomicName>
|
||
are known from the Peter the Great Bay of the Sea of
|
||
<collectingCountry id="F31299F0FFF80A2EFD0E2B34E4DBFBE7" box="[655,723,1125,1148]" name="Japan" pageId="2" pageNumber="583">Japan</collectingCountry>
|
||
:
|
||
<taxonomicName id="4C05A2E3FFF80A2EFD612B35E6C4FB04" authority="(Gurjanova, 1938) (Gurjanova, 1938: 318)" authorityName="(Gurjanova, 1938) (Gurjanova" authorityPageNumber="318" authorityYear="1938" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="suberitobia">
|
||
<emphasis id="B9710572FFF80A2EFD612B35E5E0FBE7" box="[736,1000,1124,1148]" italics="true" pageId="2" pageNumber="583">Pleusymtes suberitobia</emphasis>
|
||
(Gurjanova, 1938) (Gurjanova, 1938: 318)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C05A2E3FFF80A2EFF592BD9E5AFFB04" authority="(Gurjanova, 1938) (Gurjanova, 1938: 320)" authorityName="(Gurjanova, 1938) (Gurjanova" authorityPageNumber="320" authorityYear="1938" box="[216,935,1159,1184]" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="uncigera">
|
||
<emphasis id="B9710572FFF80A2EFF592BD9E7C9FB3B" box="[216,449,1160,1184]" italics="true" pageId="2" pageNumber="583">Pleusymtes uncigera</emphasis>
|
||
(Gurjanova, 1938) (Gurjanova, 1938: 320)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C05A2E3FFF80A2EFC5F2BD9E7AAFB5F" authority="(Gurjanova, 1938) (Gurjanova, 1938: 320)" authorityName="(Gurjanova, 1938) (Gurjanova" authorityPageNumber="320" authorityYear="1938" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="japonica">
|
||
<emphasis id="B9710572FFF80A2EFC5F2BD9E2CEFB3B" box="[990,1222,1160,1184]" italics="true" pageId="2" pageNumber="583">Pleusymtes japonica</emphasis>
|
||
(Gurjanova, 1938) (Gurjanova, 1938: 320)
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF462B9EE575FB7C" blockId="2.[151,1437,151,1255]" box="[199,893,1231,1255]" pageId="2" pageNumber="583">Gurjanova (1951) suggested the key to separate these species:</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF162A46E390FAFC" blockId="2.[151,1436,1303,1442]" pageId="2" pageNumber="583">
|
||
1. Distoventral margin of coxal plates I and II sharply produced, hook-like...........
|
||
<taxonomicName id="4C05A2E3FFF80A2EFB9C2A49E394FAB7" authority="Gurjanova, 1938" authorityName="Gurjanova" authorityYear="1938" box="[1053,1436,1303,1325]" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="uncigera">
|
||
<emphasis id="B9710572FFF80A2EFB9C2A49E2ECFAB6" box="[1053,1252,1304,1325]" italics="true" pageId="2" pageNumber="583">Pleusymtes uncigera</emphasis>
|
||
(Gurjanova, 1938)
|
||
</taxonomicName>
|
||
– Distoventral margin of coxal plates I and II not produced, rectangular............................................ 2 2. Telson and ventral margin of epimeral plate III with strong setae. Telson with 2 pairs of setae..........................
|
||
</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF622A21E394FA39" blockId="2.[151,1436,1303,1442]" pageId="2" pageNumber="583">
|
||
...................................................................
|
||
<taxonomicName id="4C05A2E3FFF80A2EFB842A21E394FA1F" authority="Gurjanova, 1938" authorityName="Gurjanova" authorityYear="1938" box="[1029,1436,1391,1413]" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="suberitobia">
|
||
<emphasis id="B9710572FFF80A2EFB842A21E2ECFA1E" box="[1029,1252,1392,1413]" italics="true" pageId="2" pageNumber="583">Pleusymtes suberitobia</emphasis>
|
||
(Gurjanova, 1938)
|
||
</taxonomicName>
|
||
3. Telson and ventral margin of epimeral plate III unarmed........................
|
||
<taxonomicName id="4C05A2E3FFF80A2EFB9E2ADCE394FA39" authority="Gurjanova, 1938" authorityName="Gurjanova" authorityYear="1938" box="[1055,1436,1421,1442]" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="japonica">
|
||
<emphasis id="B9710572FFF80A2EFB9E2ADCE2ECFA39" box="[1055,1252,1421,1442]" italics="true" pageId="2" pageNumber="583">Pleusymtes japonica</emphasis>
|
||
(Gurjanova, 1938)
|
||
</taxonomicName>
|
||
</paragraph>
|
||
<paragraph id="8BBAD960FFF80A2EFF462A9FE7F7F925" blockId="2.[151,1436,1486,1726]" pageId="2" pageNumber="583">
|
||
All species were collected simpatrically, on the same depths (Gurjanova, 1938), except
|
||
<taxonomicName id="4C05A2E3FFF80A2EFB192A9FE778F991" authority="Gurjanova, 1938" authorityName="Gurjanova" authorityYear="1938" class="Malacostraca" family="Pleustidae" genus="Pleusymtes" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="species" species="suberitobia">
|
||
<emphasis id="B9710572FFF80A2EFB192A9FE394FA7D" box="[1176,1436,1486,1510]" italics="true" pageId="2" pageNumber="583">Pleusymtes suberitobia</emphasis>
|
||
(Gurjanova, 1938)
|
||
</taxonomicName>
|
||
referred as a distinctive participant of the symbiosis
|
||
<taxonomicName id="4C05A2E3FFF80A2EFB9C2AA2E315F990" box="[1053,1309,1523,1547]" class="Demospongiae" family="Suberitidae" genus="Suberites" kingdom="Animalia" order="Hadromerida" pageId="2" pageNumber="583" phylum="Porifera" rank="species" species="domunculus">
|
||
<emphasis id="B9710572FFF80A2EFB9C2AA2E315F990" box="[1053,1309,1523,1547]" italics="true" pageId="2" pageNumber="583">Suberites domunculus</emphasis>
|
||
</taxonomicName>
|
||
+
|
||
<emphasis id="B9710572FFF80A2EFAAC2AA2E394F991" box="[1325,1436,1523,1546]" italics="true" pageId="2" pageNumber="583">
|
||
<taxonomicName id="4C05A2E3FFF80A2EFAAC2AA2E39CF991" authority="Gurjanova, 1938: 320" authorityName="Gurjanova" authorityPageNumber="320" authorityYear="1938" box="[1325,1428,1523,1546]" class="Malacostraca" family="Paguridae" genus="Pagurus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="583" phylum="Arthropoda" rank="genus">Pagurus</taxonomicName>
|
||
”
|
||
</emphasis>
|
||
(Gurjanova, 1938: 320). At the same time within the group of genera variation of such morphological features as sharply produced distoventral margin of coxal plates I and II, the presence or absence of setae on telson or ventral margin of epimeral plate III can be possibly explained by the intraspecies variations. Re-examination of the
|
||
<typeStatus id="54BE67C2FFF80A2EFAEA290EE393F9EC" box="[1387,1435,1631,1655]" pageId="2" pageNumber="583">type</typeStatus>
|
||
material will confirm the validity or synonymy of these three species but the deposition of the
|
||
<typeStatus id="54BE67C2FFF80A2EFB6429D2E31DF900" box="[1253,1301,1667,1691]" pageId="2" pageNumber="583">type</typeStatus>
|
||
material of these species remains unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |