359 lines
45 KiB
XML
359 lines
45 KiB
XML
<document id="54EE20229E288B016552F4AB973DA919" ID-DOI="10.11646/zootaxa.4000.4.6" ID-GBIF-Dataset="24d966b7-6fd8-4281-85b7-26289cb20791" ID-ISSN="1175-5326" ID-Zenodo-Dep="244716" ID-ZooBank="DEB97452-A6E8-4AA9-A248-A65FD50D203F" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461189403201" checkinUser="plazi" docAuthor="Torii, Takaaki" docDate="2015" docId="03DC87B4D12FFFF9069E9472ED2BF87B" docLanguage="en" docName="zt04000p482.pdf" docOrigin="Zootaxa 4000 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Mesenchytraeus nivalis Torii, 2015, sp. nov." docType="treatment" docVersion="9" lastPageNumber="476" masterDocId="FFE5FFCCD12EFFFA0609915CE821FFC7" masterDocTitle="Descriptions of two new and one newly recorded enchytraeid species (Clitellata, Enchytraeidae) from the Ozegahara Mire, a heavy snowfall highmoor in Central Japan" masterLastPageNumber="482" masterPageNumber="473" pageNumber="474" updateTime="1698600502690" updateUser="plazi">
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<mods:titleInfo id="8A6F5348603B375CC39BE5F326E96D78">
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<mods:title id="728231FDDDFF2AAFC7707D69C7316C0D">Descriptions of two new and one newly recorded enchytraeid species (Clitellata, Enchytraeidae) from the Ozegahara Mire, a heavy snowfall highmoor in Central Japan</mods:title>
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<mods:name id="CDB725B18404E995130F5DFA54EBC71C" type="personal">
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<mods:namePart id="B29EA73A4DA2F3C065082E7D14B148F3">Torii, Takaaki</mods:namePart>
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<mods:typeOfResource id="EB562C8F4A87757AD8CEBEEBB45D90BC">text</mods:typeOfResource>
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<mods:title id="9CA5EDDD9F3AA201B3F55C4F7D2E0A10">Zootaxa</mods:title>
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<mods:part id="2EEF8495E31C52C58905CDE824C00982">
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<mods:date id="0A9EF1305076293473AD7F74548A4460">2015</mods:date>
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<mods:number id="DB30433EEB1BBF0838299E22A1C192BD">4000</mods:number>
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<mods:classification id="1CF2CAF45A29467E09E400486AB9238C">journal article</mods:classification>
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<mods:identifier id="C656DDBD98A39B801E951DC6C2DA75A1" type="DOI">10.11646/zootaxa.4000.4.6</mods:identifier>
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<mods:identifier id="76AE6AD1D8D9D5F442005DE53CBD2B90" type="GBIF-Dataset">24d966b7-6fd8-4281-85b7-26289cb20791</mods:identifier>
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<mods:identifier id="C4E4EA8D8686C11E0A7A6830A0FDCF50" type="Zenodo-Dep">244716</mods:identifier>
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<treatment id="03DC87B4D12FFFF9069E9472ED2BF87B" ID-DOI="http://doi.org/10.5281/zenodo.5202350" ID-GBIF-Taxon="119629106" ID-Zenodo-Dep="5202350" LSID="urn:lsid:plazi:treatment:03DC87B4D12FFFF9069E9472ED2BF87B" httpUri="http://treatment.plazi.org/id/03DC87B4D12FFFF9069E9472ED2BF87B" lastPageId="3" lastPageNumber="476" pageId="1" pageNumber="474">
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<subSubSection id="C36F6529D12FFFFB069E9472E926FA48" pageId="1" pageNumber="474" type="nomenclature">
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<paragraph id="8BCA36A2D12FFFFB069E9472EA39FA8F" blockId="1.[151,616,1326,1423]" box="[151,536,1326,1352]" pageId="1" pageNumber="474">
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<heading id="D08281CED12FFFFB069E9472EA39FA8F" bold="true" box="[151,536,1326,1352]" fontSize="11" level="1" pageId="1" pageNumber="474" reason="1">
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<emphasis id="B901EAB0D12FFFFB069E9472EA39FA8F" bold="true" box="[151,536,1326,1352]" pageId="1" pageNumber="474">
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<taxonomicName id="4C754D21D12FFFFB069E9472E993FA8F" ID-CoL="3ZZH3" box="[151,434,1326,1352]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="1" pageNumber="474" phylum="Annelida" rank="species" species="nivalis" status="sp. nov.">
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<emphasis id="B901EAB0D12FFFFB069E9472E993FA8F" bold="true" box="[151,434,1326,1352]" italics="true" pageId="1" pageNumber="474">Mesenchytraeus nivalis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23257CBD12FFFFB07B39472EA39FA8F" box="[442,536,1326,1352]" pageId="1" pageNumber="474" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BCA36A2D12FFFFB069E940FE926FA48" blockId="1.[151,616,1326,1423]" pageId="1" pageNumber="474">
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(Japanese name: Yuki-himemimizu, new) (
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<figureCitation id="134E2A27D12FFFFB0697942AE8DDFA48" box="[158,252,1398,1423]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="1" pageNumber="474">Figure 1</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C36F6529D12FFFFB069E94E2E92CF9A0" pageId="1" pageNumber="474" type="materials_examined">
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<paragraph id="8BCA36A2D12FFFFB069E94E2ECF0F9D8" blockId="1.[151,1437,1470,1927]" pageId="1" pageNumber="474">
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||
<emphasis id="B901EAB0D12FFFFB069E94E2E960FA10" bold="true" box="[151,321,1470,1495]" pageId="1" pageNumber="474">
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<typeStatus id="54CE8800D12FFFFB069E94E2E8F3FA10" box="[151,210,1470,1495]" pageId="1" pageNumber="474">Type</typeStatus>
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material
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</emphasis>
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.
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<typeStatus id="54CE8800D12FFFFB075D94E2E9E0FA10" box="[340,449,1470,1495]" pageId="1" pageNumber="474" type="holotype">Holotype</typeStatus>
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: One whole-mounted mature specimen, Mihon-en, Ozegahara mire, Katashina-mura, Tone-gun, Gunma Prefecture,
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<collectingCountry id="F3627632D12FFFFB07F494BFEA61FA3D" box="[509,576,1507,1530]" name="Japan" pageId="1" pageNumber="474">Japan</collectingCountry>
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,
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<geoCoordinate id="EE415065D12FFFFB045994BEEAD4FA3C" box="[592,757,1506,1531]" direction="north" orientation="latitude" pageId="1" pageNumber="474" precision="1" value="36.915222">N36°54’54.8’’</geoCoordinate>
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,
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<geoCoordinate id="EE415065D12FFFFB050E94BEEB95FA3C" box="[775,948,1506,1531]" direction="east" orientation="longitude" pageId="1" pageNumber="474" precision="1" value="139.19826">E139°11’53.7’’</geoCoordinate>
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,
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<date id="FFCB1062D12FFFFB05CE94BFEC7CFA3C" box="[967,1117,1506,1531]" pageId="1" pageNumber="474" value="2006-06-04">4 June 2006</date>
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, T. Torii (NSMT-An 463).
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<typeStatus id="54CE8800D12FFFFB069E975BE928F9D8" box="[151,265,1543,1567]" pageId="1" pageNumber="474" type="paratype">Paratypes</typeStatus>
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: Five whole-mounted mature specimens, same data as
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<typeStatus id="54CE8800D12FFFFB0567975AEBF1F9D8" box="[878,976,1542,1567]" pageId="1" pageNumber="474" type="holotype">holotype</typeStatus>
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(NSMT-An 464–467).
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</paragraph>
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<paragraph id="8BCA36A2D12FFFFB06CE9776E92CF9A0" blockId="1.[151,1437,1470,1927]" pageId="1" pageNumber="474">
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<emphasis id="B901EAB0D12FFFFB06CE9776E9BFF984" bold="true" box="[199,414,1578,1603]" pageId="1" pageNumber="474">Further material.</emphasis>
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Twenty one whole-mounted mature specimens, same data as
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<typeStatus id="54CE8800D12FFFFB02759776ECC0F984" box="[1148,1249,1578,1603]" pageId="1" pageNumber="474" type="holotype">holotype</typeStatus>
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, in the author’s collection.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36F6529D12FFFF906CE972EECCCFB6B" lastPageId="3" lastPageNumber="476" pageId="1" pageNumber="474" type="description">
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<paragraph id="8BCA36A2D12FFFFB06CE972EEBE1F840" blockId="1.[151,1437,1470,1927]" pageId="1" pageNumber="474">
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<emphasis id="B901EAB0D12FFFFB06CE972EE978F94C" bold="true" box="[199,345,1650,1675]" pageId="1" pageNumber="474">Description.</emphasis>
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Color whitish or pare yellow. Live length
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<quantity id="4C8D9B47D12FFFFB054D972FEB92F94D" box="[836,947,1651,1675]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.8" metricValueMin="0.9" pageId="1" pageNumber="474" unit="mm" value="13.5" valueMax="18.0" valueMin="9.0">9–18 mm</quantity>
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, fixed length
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<quantity id="4C8D9B47D12FFFFB0258972EECE0F94D" box="[1105,1217,1650,1675]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" metricValueMax="1.5" metricValueMin="0.7" pageId="1" pageNumber="474" unit="mm" value="11.0" valueMax="15.0" valueMin="7.0">7–15 mm</quantity>
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. Width at clitellum 300–450 µm. Segments 47–54. Chaetae sigmoid and simple-pointed, with nodulus at about 2/5 from the distal tip (
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<figureCitation id="134E2A27D12FFFFB069697E6E8FFF914" box="[159,222,1722,1747]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="1" pageNumber="474">Fig. 1</figureCitation>
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J,K), distal end thinner than proximal. Chaetal formula 2–4 – 2,3: 3,4 – 2,3. Ventral chaetae of II shortest, largest in V or VI, from VII on chaetal length gradually reduced. Lateral chaetae of II and III shortest, other precliteller chaetae all of same length, even in immature specimens. Both ventral and dorsal postcliteller chaetae slightly thinner and shorter than in preclitellar region. Chaetae of XII lacking in mature specimens. Clitellum elevated conspicuously, from mid XI to XIII, girdle-shaped, absent between male pores. Hyalocytes and granulocytes irregularly arranged, hyalocytes in contact with each other.
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</paragraph>
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<caption id="DF0A662AD12CFFF8069E9634ED04F82F" httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="2" pageNumber="475" targetBox="[201,1396,225,1853]" targetPageId="2">
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<paragraph id="8BCA36A2D12CFFF8069E9634ED04F82F" blockId="2.[151,1436,1896,2024]" pageId="2" pageNumber="475">
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<emphasis id="B901EAB0D12CFFF8069E9634E92AF8BA" bold="true" box="[151,267,1896,1918]" pageId="2" pageNumber="475">FIGURE 1.</emphasis>
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<taxonomicName id="4C754D21D12CFFF807189634E9CEF8B9" box="[273,495,1896,1918]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="2" pageNumber="475" phylum="Annelida" rank="species" species="nivalis" status="sp. nov.">
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<emphasis id="B901EAB0D12CFFF807189634E9CEF8B9" box="[273,495,1896,1918]" italics="true" pageId="2" pageNumber="475">Mesenchytraeus nivalis</emphasis>
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</taxonomicName>
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<emphasis id="B901EAB0D12CFFF807FD9634EA1EF8BA" bold="true" box="[500,575,1896,1917]" pageId="2" pageNumber="475">
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<taxonomicNameLabel id="A23257CBD12CFFF807FD9634EA1EF8BA" box="[500,575,1896,1917]" pageId="2" pageNumber="475" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens.
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<emphasis id="B901EAB0D12CFFF807C896D7E9F9F867" bold="true" box="[449,472,1931,1952]" pageId="2" pageNumber="475">A.</emphasis>
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Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted.
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<emphasis id="B901EAB0D12CFFF806E296F3E920F803" bold="true" box="[235,257,1967,1988]" pageId="2" pageNumber="475">B.</emphasis>
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Brain.
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<emphasis id="B901EAB0D12CFFF8074E96F2E97FF803" bold="true" box="[327,350,1966,1988]" pageId="2" pageNumber="475">C.</emphasis>
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Coelomocyte.
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<emphasis id="B901EAB0D12CFFF807E696F3EA27F803" bold="true" box="[495,518,1967,1988]" pageId="2" pageNumber="475">D.</emphasis>
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Spermatheca (sperm omitted).
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<emphasis id="B901EAB0D12CFFF8053996F3EB67F803" bold="true" box="[816,838,1967,1988]" pageId="2" pageNumber="475">E.</emphasis>
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Sperm funnel.
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<emphasis id="B901EAB0D12CFFF805D096F3EBC9F803" bold="true" box="[985,1000,1967,1988]" pageId="2" pageNumber="475">F.</emphasis>
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Nephridium.
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<emphasis id="B901EAB0D12CFFF8027996F2ECA3F803" bold="true" box="[1136,1154,1966,1988]" pageId="2" pageNumber="475">G.</emphasis>
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Vas deferens with a fusiform atrium lying outside the penial bulb.
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<emphasis id="B901EAB0D12CFFF807E6968EEA29F820" bold="true" box="[495,520,2002,2023]" pageId="2" pageNumber="475">H.</emphasis>
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Male pores and bursal slits.
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<emphasis id="B901EAB0D12CFFF8051A968EEB03F820" bold="true" box="[787,802,2002,2023]" pageId="2" pageNumber="475">I.</emphasis>
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Sperm bundles.
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<emphasis id="B901EAB0D12CFFF805C9968EEBF3F820" bold="true" box="[960,978,2002,2023]" pageId="2" pageNumber="475">J.</emphasis>
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Ventral chaetae.
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<emphasis id="B901EAB0D12CFFF8027B968EECAAF820" bold="true" box="[1138,1163,2002,2023]" pageId="2" pageNumber="475">K.</emphasis>
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Lateral chaetae.
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</paragraph>
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</caption>
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<paragraph id="8BCA36A2D12DFFF906CE91CBE995FD07" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
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Prostomium rounded. Head pore present as a longitudinal slit, located at tip of prostomium. Epidermal gland cells invisible. Brain (
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<figureCitation id="134E2A27D12DFFF9078791E7E9ECFF14" box="[398,461,187,212]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">Fig. 1</figureCitation>
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A,B) in I, II, dorsoventrally compressed and narrow, trapezoidal, concave anteriorly in living and fixed specimens, straight posteriorly, approximately 1.5 times as long as wide, length 165–180 µm, posterior width 88–94 µm. Pharyngeal pad thickened. No oesophageal appendages. Two pairs of primary pharyngeal glands in IV and V, not connected dorsally, attached to anterior face of respective posterior septa. Three pairs of secondary pharyngeal glands in V–VII, largest in VI, secondary glands not attached to septa. Transition of oesophagus to intestine gradual, no oesophageal or intestinal diverticula. Chloragogen cells light-brown granulated, beginning from V backwards, slightly smaller than coelomocytes. Blood pale-reddish. Dorsal blood vessel originating from intestinal sinus in XVI or XVII; anteriorly bifurcating beneath the front of the brain, circum-oesophageal connectives merging ventrally in IV. Coelomocytes (
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<figureCitation id="134E2A27D12DFFF9020A9088EC68FE2A" box="[1027,1097,468,493]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">Fig. 1</figureCitation>
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G) densely distributed, very abundant in preclitellar region mainly of V–IX, flattened oval or slightly spindle-shaped, nucleate, their granular cytoplasm appears whitish under the stereomicroscope with top light, ca. 21–25 µm long, ca. 1.2–2.0 times as long as wide, filled with distinct, globular vesicles, conspicuous in living specimens, not always preserved in fixed specimens. Preclitellar nephridia four or five pairs from
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<date id="FFCB1062D12DFFF9051A933DEBACFDBD" box="[787,909,609,634]" pageId="3" pageNumber="476" value="2010-07-06" valueMax="2010-09-06" valueMin="2010-07-06">6/7 to 9/10</date>
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or 10/11, anteseptal part of nephridium funnel only, about 55–75 µm long. Postseptale about 185–220 µm long, bilobed. Shape of postclitellar nephridia more compact than preclitellar.
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</paragraph>
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<paragraph id="8BCA36A2D12DFFF906CE9390E932FB4D" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
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Testes and ovaries not observed. Sperm sack in segments X–XV. Naked sperm bundles freely distributed in the sperm sack, the spermatozoal heads attached to each other in parallel, and the spermatozoa heads clumped at one end and ordered tails extending to the other end. Each bundle ca. 88–140 µm long, and 17–25 µm wide at the head and 12–19 µm at the tail (
|
||
<figureCitation id="134E2A27D12DFFF907B09268E9D8FC8A" box="[441,505,820,845]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">
|
||
Fig.
|
||
<date id="FFCB1062D12DFFF907E49269E9D8FC8A" box="[493,505,821,845]" pageId="3" pageNumber="476">1</date>
|
||
</figureCitation>
|
||
I). Sperm funnel (
|
||
<figureCitation id="134E2A27D12DFFF904CD9268EB22FC8A" box="[708,771,820,845]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">Fig. 1</figureCitation>
|
||
E) 140–200 µm long and 80–140 µm wide when extended. Collar either slightly wider than or equal funnel diameter. Vas deferens stout, thick-walled, moderately long, in loose or tight irregular coils in XII to XIV; atrium fusiform, encircled by a set of 3 or 4 club-shaped large atrial glands (
|
||
<figureCitation id="134E2A27D12DFFF906E692C2E90EFC70" box="[239,303,926,951]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">Fig. 1</figureCitation>
|
||
G). Penial bulb with some accessory glands. Bursal slit transversal with bifurcations at the two ends, transverse component long (
|
||
<figureCitation id="134E2A27D12DFFF907E0929DEA11FC1D" box="[489,560,961,986]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">Fig. 1</figureCitation>
|
||
H). No subneural glands. Egg sac unpaired in XIII–XV, well-developed, sometimes extending back to XVIII–XXI. Paired spermathecal pores midlateral at 4/5, attached to oesophagus in posterior of V. Spermatheca thick walled, with onion-shaped ampulla (
|
||
<figureCitation id="134E2A27D12DFFF905A3955BEBC8FBE7" box="[938,1001,1031,1056]" captionStart="FIGURE 1" captionStartId="2.[151,245,1896,1918]" captionTargetBox="[201,1396,225,1853]" captionTargetId="figure@2.[193,1401,201,1877]" captionTargetPageId="2" captionText="FIGURE 1. Mesenchytraeus nivalis sp. nov. from Ozegahara-mire, Japan (NSMT-An 463), chaetae figures from fixed specimens, other figures from living specimens. A. Anterior body region (14 segments) of a mature specimen, body interior, dorsal view, coelomocytes omitted. B. Brain. C. Coelomocyte. D. Spermatheca (sperm omitted). E. Sperm funnel. F. Nephridium. G. Vas deferens with a fusiform atrium lying outside the penial bulb. H. Male pores and bursal slits. I. Sperm bundles. J. Ventral chaetae. K. Lateral chaetae." httpUri="https://zenodo.org/record/244717/files/figure.png" pageId="3" pageNumber="476">Fig. 1</figureCitation>
|
||
D), ectal duct ca 100–115 µm long and 27–45µm wide, with no ectal glands. Ectal duct length less than ampulla plus ental duct. Ental duct ca 40–70 µm long and 35–45µm wide. Sperm in the ampullar lumen. Ampulla only oval or marginally lobed in immature specimens.
|
||
</paragraph>
|
||
<paragraph id="8BCA36A2D12DFFF906CE95C8ECCCFB6B" blockId="3.[151,1437,151,1981]" box="[199,1261,1172,1197]" pageId="3" pageNumber="476">
|
||
<emphasis id="B901EAB0D12DFFF906CE95C8E90BFB6A" bold="true" box="[199,298,1172,1197]" pageId="3" pageNumber="476">Habitat.</emphasis>
|
||
The specimens were present in streams, in wet soil, sphagnum mires and in the snow.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36F6529D12DFFF906CE95EBED3CFB17" box="[199,1309,1207,1233]" pageId="3" pageNumber="476" type="etymology">
|
||
<paragraph id="8BCA36A2D12DFFF906CE95EBED3CFB17" blockId="3.[151,1437,151,1981]" box="[199,1309,1207,1233]" pageId="3" pageNumber="476">
|
||
<emphasis id="B901EAB0D12DFFF906CE95EBE96FFB17" bold="true" box="[199,334,1207,1232]" pageId="3" pageNumber="476">Etymology.</emphasis>
|
||
Named “
|
||
<taxonomicName id="4C754D21D12DFFF907B095E4EA25FB17" box="[441,516,1208,1232]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF907B095E4EA25FB17" box="[441,516,1208,1232]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
” (Latin, = snowy) after the snowy habitat where they were first found.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36F6529D12DFFF906CE9587ED2BF87B" pageId="3" pageNumber="476" type="discussion">
|
||
<paragraph id="8BCA36A2D12DFFF906CE9587EAD7FAFE" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
|
||
<emphasis id="B901EAB0D12DFFF906CE9587E91AFB33" bold="true" box="[199,315,1243,1268]" pageId="3" pageNumber="476">Remarks.</emphasis>
|
||
The following combination of characters is useful to identify the new species: 1) no enlarged chaetae; 2) no spermathecal diverticula; 3) vas deferens with 3 or 4 club-shaped atrial glands; 4) sperm bundles in sperm sack; 5) dorsal blood vessel from XVI or XVII.
|
||
</paragraph>
|
||
<paragraph id="8BCA36A2D12DFFF906CE9418EC54F9CA" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
|
||
The new species resembles the Korean
|
||
<taxonomicName id="4C754D21D12DFFF904869419ED4BFA9A" authority="Christensen & Dozsa-Farkas, 2012" authorityName="Christensen & Dozsa-Farkas" authorityYear="2012" box="[655,1386,1348,1373]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="longiductus">
|
||
<emphasis id="B901EAB0D12DFFF904869419EBF3FA9A" box="[655,978,1349,1373]" italics="true" pageId="3" pageNumber="476">Mesenchytraeus longiductus</emphasis>
|
||
<bibRefCitation id="EFE44B53D12DFFF905D29418ED4BFA9A" author="Christensen" box="[987,1386,1348,1373]" pageId="3" pageNumber="476" refString="Christensen, B. & Dozsa-Farkas, K. (2012) A new genus Globulidrilus and three new enchytraeid species (Oligochaeta: Enchytraeidae) from Seoraksan National Park (Korea). Journal of Natural History, 46 (45 - 46), 2769 - 1785. http: // dx. doi. org / 10.1080 / 00222933.2012.737038" type="journal article" year="2012">Christensen & Dózsa-Farkas, 2012</bibRefCitation>
|
||
</taxonomicName>
|
||
and the Chinese
|
||
<taxonomicName id="4C754D21D12DFFF9072D9434EBABFA47" authority="Shen, Chen & Xie, 2011" authorityName="Shen, Chen & Xie" authorityYear="2011" box="[292,906,1383,1408]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="gigachaetus">
|
||
<emphasis id="B901EAB0D12DFFF9072D9434EA48FA47" box="[292,617,1384,1408]" italics="true" pageId="3" pageNumber="476">Mesenchytraeus gigachaetus</emphasis>
|
||
<bibRefCitation id="EFE44B53D12DFFF9047B943BEBABFA47" author="Shen" box="[626,906,1383,1408]" pageId="3" pageNumber="476" refString="Shen, Q., Chen, J. & Xie, Z. C. (2011) Mesenchytraeus megachaetus, a new enchytraeid with enlarged ventral chaetae (Annelida, Clitellata) from Changbaishan Mountain, China. Proceedings of the Biological Society of Washington, 124 (2), 127 - 133. http: // dx. doi. org / 10.2988 / 11 - 01.1" type="journal article" year="2011">Shen, Chen & Xie, 2011</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFE44B53D12DFFF90593943BEC76FA47" author="Shen" box="[922,1111,1383,1408]" pageId="3" pageNumber="476" refString="Shen, Q., Chen, J. & Xie, Z. C. (2011) Mesenchytraeus megachaetus, a new enchytraeid with enlarged ventral chaetae (Annelida, Clitellata) from Changbaishan Mountain, China. Proceedings of the Biological Society of Washington, 124 (2), 127 - 133. http: // dx. doi. org / 10.2988 / 11 - 01.1" type="journal article" year="2011">
|
||
Shen
|
||
<emphasis id="B901EAB0D12DFFF905D59435EC2FFA47" box="[988,1038,1384,1408]" italics="true" pageId="3" pageNumber="476">et al</emphasis>
|
||
. 2011
|
||
</bibRefCitation>
|
||
, Xie 2012),
|
||
<taxonomicName id="4C754D21D12DFFF902EF9434EA4EFA64" authority="Shen, Chen & Xie, 2012" authorityName="Shen, Chen & Xie" authorityYear="2012" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="anisodiverticulus">
|
||
<emphasis id="B901EAB0D12DFFF902EF9434E979FA64" italics="true" pageId="3" pageNumber="476">Mesenchytraeus anisodiverticulus</emphasis>
|
||
Shen, Chen & Xie, 2012
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C754D21D12DFFF904AD94D7ED1BFA64" authority="Shen, Chen & Xie, 2012" authorityName="Shen, Chen & Xie" authorityYear="2012" box="[676,1338,1419,1444]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="monodiverticulus">
|
||
<emphasis id="B901EAB0D12DFFF904AD94D7EC02FA64" box="[676,1059,1419,1443]" italics="true" pageId="3" pageNumber="476">Mesenchytraeus monodiverticulus</emphasis>
|
||
Shen, Chen & Xie, 2012
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFE44B53D12DFFF9034194D7E927FA00" author="Shen" pageId="3" pageNumber="476" refString="Shen, Q., Chen, J. & Xie, Z. C. (2012 a) Mesenchytraeus anisodiverticulus, a new enchytraeid with enlarged ventral chaetae (Annelida, Clitellata) from north-eastern China. Italian Journal of Zoology, 79 (1), 86 - 91. http: // dx. doi. org / 10.1080 / 11250003.2011.620638" type="journal article" year="2012" yearSuffix="a">
|
||
Shen
|
||
<emphasis id="B901EAB0D12DFFF9038194D0E895FA01" italics="true" pageId="3" pageNumber="476">et al.</emphasis>
|
||
2012a
|
||
</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFE44B53D12DFFF9070394F2E938FA00" author="Shen" box="[266,281,1454,1479]" pageId="3" pageNumber="476" refString="Shen, Q., Chen, J. & Xie, Z. C. (2012 b) Mesenchytraeus monodiverticulus sp. nov. (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, with a key to Mesenchytraeus with enlarged chaetae. Proceedings of the Biological Society of Washington, 125 (3), 215 - 227. http: // dx. doi. org / 10.2988 / 12 - 08.1" type="journal article" year="2012" yearSuffix="b">b</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C754D21D12DFFF9072594F3E9F5FA01" box="[300,468,1454,1478]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="longiductus">
|
||
<emphasis id="B901EAB0D12DFFF9072594F3E9F5FA01" box="[300,468,1454,1478]" italics="true" pageId="3" pageNumber="476">M. longiductus</emphasis>
|
||
</taxonomicName>
|
||
is similar regarding spermatheca, male glands and sperm funnels.
|
||
<taxonomicName id="4C754D21D12DFFF902CB94F3ED4EFA01" box="[1218,1391,1454,1478]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="gigachaetus">
|
||
<emphasis id="B901EAB0D12DFFF902CB94F3ECF8FA01" box="[1218,1241,1455,1478]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF902E194F2ED4EFA01" box="[1256,1391,1454,1478]" italics="true" pageId="3" pageNumber="476">gigachaetus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C754D21D12DFFF9037494F3E979FA2E" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="anisodiverticulus">
|
||
<emphasis id="B901EAB0D12DFFF9037494F3EDB5FA01" box="[1405,1428,1455,1478]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9069E948DE979FA2E" box="[151,344,1489,1513]" italics="true" pageId="3" pageNumber="476">anisodiverticulus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C754D21D12DFFF9079F948EEAA2FA2E" box="[406,643,1489,1513]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="monodiverticulus">
|
||
<emphasis id="B901EAB0D12DFFF9079F948EE98CFA2E" box="[406,429,1490,1513]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF907C9948DEAA2FA2E" box="[448,643,1489,1513]" italics="true" pageId="3" pageNumber="476">monodiverticulus</emphasis>
|
||
</taxonomicName>
|
||
also have sperm bundles in the sperm sack and spermathecae with onion-shaped ampulla. Differences of these species to
|
||
<taxonomicName id="4C754D21D12DFFF904F094A9EB4BF9CA" box="[761,874,1525,1549]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis" status="sp. nov.">
|
||
<emphasis id="B901EAB0D12DFFF904F094A9EB4BF9CA" box="[761,874,1525,1549]" italics="true" pageId="3" pageNumber="476">M. nivalis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23257CBD12DFFF9057994A8EBEBF9CA" box="[880,970,1524,1549]" pageId="3" pageNumber="476" rank="species">
|
||
<emphasis id="B901EAB0D12DFFF9057994A8EBEBF9CA" bold="true" box="[880,970,1524,1549]" pageId="3" pageNumber="476">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
are as follows:
|
||
</paragraph>
|
||
<paragraph id="8BCA36A2D12DFFF906CE9745E999F9BF" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
|
||
<taxonomicName id="4C754D21D12DFFF906CE9745E951F9F7" box="[199,368,1560,1584]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="longiductus">
|
||
<emphasis id="B901EAB0D12DFFF906CE9745E951F9F7" box="[199,368,1560,1584]" italics="true" pageId="3" pageNumber="476">M. longiductus</emphasis>
|
||
</taxonomicName>
|
||
: Vas deferens with 2 atrial glands (3 or 4 atrial glands in
|
||
<taxonomicName id="4C754D21D12DFFF905F39745EC4BF9F7" box="[1018,1130,1560,1584]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF905F39745EC30F9F7" box="[1018,1041,1561,1584]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF902299744EC4BF9F7" box="[1056,1130,1560,1584]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Spermathecal ental ducts 150–280 µm long (40–70 µm long in
|
||
<taxonomicName id="4C754D21D12DFFF9044B9761EA92F993" box="[578,691,1596,1620]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9044B9761EA78F993" box="[578,601,1597,1620]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF904619760EA92F993" box="[616,691,1596,1620]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). No sperm bundles in the sperm sack (with sperm bundles in the sperm sack in
|
||
<taxonomicName id="4C754D21D12DFFF90731973DE989F9BF" box="[312,424,1632,1656]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF90731973DE96EF9BF" box="[312,335,1633,1656]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF90754973CE989F9BF" box="[349,424,1632,1656]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BCA36A2D12DFFF906CE97D9EBE1F923" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
|
||
<taxonomicName id="4C754D21D12DFFF906CE97D9E955F95B" box="[199,372,1668,1692]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="gigachaetus">
|
||
<emphasis id="B901EAB0D12DFFF906CE97D9E955F95B" box="[199,372,1668,1692]" italics="true" pageId="3" pageNumber="476">M. gigachaetus</emphasis>
|
||
</taxonomicName>
|
||
: Vas deferens without atrial glands (3 or 4 atrial glands in
|
||
<taxonomicName id="4C754D21D12DFFF9021E97D9ECA9F95B" box="[1047,1160,1668,1692]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9021E97D9EC0FF95B" box="[1047,1070,1669,1692]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9023497D8ECA9F95B" box="[1085,1160,1668,1692]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Spermatozoa ca. 165– 190 µm long (ca. 88–140 µm long in
|
||
<taxonomicName id="4C754D21D12DFFF9044B97F5EA92F907" box="[578,691,1704,1728]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9044B97F5EA78F907" box="[578,601,1705,1728]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9046097F4EA92F907" box="[617,691,1704,1728]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Collar of sperm funnel narrower than funnel body (collar either slightly wider than funnel body or as wide as funnel body in
|
||
<taxonomicName id="4C754D21D12DFFF905499791EB91F923" box="[832,944,1740,1764]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF905499791EB76F923" box="[832,855,1741,1764]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9056C9790EB91F923" box="[869,944,1740,1764]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BCA36A2D12DFFF906CE97ADECE9F897" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
|
||
<taxonomicName id="4C754D21D12DFFF906CE97ADE9D9F8CF" authority="Body" authorityName="Body" box="[199,504,1775,1800]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="anisodiverticulus">
|
||
<emphasis id="B901EAB0D12DFFF906CE97ADE98CF8CF" box="[199,429,1776,1800]" italics="true" pageId="3" pageNumber="476">M. anisodiverticulus</emphasis>
|
||
: Body
|
||
</taxonomicName>
|
||
length 21.0–
|
||
<quantity id="4C8D9B47D12DFFF9048297B3EACFF8CF" box="[651,750,1775,1800]" metricMagnitude="-2" metricUnit="m" metricValue="2.45" pageId="3" pageNumber="476" unit="mm" value="24.5">24.5 mm</quantity>
|
||
(
|
||
<quantity id="4C8D9B47D12DFFF904F497ACEB48F8CF" box="[765,873,1776,1800]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.8" metricValueMin="0.9" pageId="3" pageNumber="476" unit="mm" value="13.5" valueMax="18.0" valueMin="9.0">9–18 mm</quantity>
|
||
in
|
||
<taxonomicName id="4C754D21D12DFFF9058597ADEBDAF8CF" box="[908,1019,1776,1800]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9058597ADEB82F8CF" box="[908,931,1777,1800]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF905B897ACEBDAF8CF" box="[945,1019,1776,1800]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Dorsal blood vessel origin in XXI– XXII (XVI or XVII in
|
||
<taxonomicName id="4C754D21D12DFFF907B19649EA0EF8EB" box="[440,559,1812,1836]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF907B19649E9EEF8EB" box="[440,463,1813,1836]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF907ED9648EA0EF8EB" box="[484,559,1812,1836]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Vas deferens without atrial glands (3 or 4 atrial glands in
|
||
<taxonomicName id="4C754D21D12DFFF9031C9649EDADF8EB" box="[1301,1420,1812,1836]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9031C9649ED0DF8EB" box="[1301,1324,1813,1836]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF903489648EDADF8EB" box="[1345,1420,1812,1836]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Spermathecal ampulla possessing two asymmetrical diverticula (without ampulla in
|
||
<taxonomicName id="4C754D21D12DFFF9024E9665EC99F897" box="[1095,1208,1848,1872]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9024E9665EC7FF897" box="[1095,1118,1849,1872]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF902649664EC99F897" box="[1133,1208,1848,1872]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BCA36A2D12DFFF906CE9601ED2BF87B" blockId="3.[151,1437,151,1981]" pageId="3" pageNumber="476">
|
||
<taxonomicName id="4C754D21D12DFFF906CE9601EA1FF8B2" authority="Preclitellar" authorityName="Preclitellar" box="[199,574,1884,1909]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="monodiverticulus">
|
||
<emphasis id="B901EAB0D12DFFF906CE9601E8FFF8B3" box="[199,222,1885,1908]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF906E69600E990F8B3" box="[239,433,1884,1908]" italics="true" pageId="3" pageNumber="476">monodiverticulus</emphasis>
|
||
: Preclitellar
|
||
</taxonomicName>
|
||
nephridia six pairs (four or five pairs in
|
||
<taxonomicName id="4C754D21D12DFFF902179601ECB0F8B3" box="[1054,1169,1884,1908]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF902179601EC14F8B3" box="[1054,1077,1885,1908]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9024F9600ECB0F8B3" box="[1094,1169,1884,1908]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Vas deferens without atrial glands (3 or 4 atrial glands in
|
||
<taxonomicName id="4C754D21D12DFFF9042296DDEABDF85F" box="[555,668,1920,1944]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9042296DDEA63F85F" box="[555,578,1921,1944]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9045896DCEABDF85F" box="[593,668,1920,1944]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Spermathecal ental ducts 185–204 µm long (40–70 µm long in
|
||
<taxonomicName id="4C754D21D12DFFF9037496DDE8C3F87B" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9037496DDEDB5F85F" box="[1405,1428,1921,1944]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF9069E96F8E8C3F87B" box="[151,226,1956,1980]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
). Spermathecal ampulla possessing one ear-shaped diverticula (without ampulla in
|
||
<taxonomicName id="4C754D21D12DFFF9028396F9ECDBF87B" box="[1162,1274,1956,1980]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="3" pageNumber="476" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B901EAB0D12DFFF9028396F9EC80F87B" box="[1162,1185,1957,1980]" italics="true" pageId="3" pageNumber="476">M</emphasis>
|
||
.
|
||
<emphasis id="B901EAB0D12DFFF902A696F8ECDBF87B" box="[1199,1274,1956,1980]" italics="true" pageId="3" pageNumber="476">nivalis</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |