221 lines
26 KiB
XML
221 lines
26 KiB
XML
<document id="E9204FD6CAFF9F930DF98233D2AFFFFD" ID-CLB-Dataset="31517" ID-DOI="10.11646/zootaxa.4079.2.7" ID-GBIF-Dataset="aeb5f27b-9b28-4c91-82bd-2e9f1519b650" ID-ISSN="1175-5326" ID-Zenodo-Dep="1050724" ID-ZooBank="4B63856C-0BE7-4AE2-B3CF-B8A2EC2CE4FB" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1510811042437" checkinUser="plazi" docAuthor="Leduc, Daniel" docDate="2016" docId="03DF87D8FFD87A1EFF49BF04FD9FFCD3" docLanguage="en" docName="zootaxa.4079.2.7.pdf" docOrigin="Zootaxa 4079 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Maragnopsia Leduc 2016, n. gen." docType="treatment" docVersion="7" lastPageNumber="268" masterDocId="FFE6FFA0FFD27A13FFDEB848FFC0FF8E" masterDocTitle="One new genus and three new species of deep-sea nematodes (Nematoda: Microlaimidae) from the Southwest Pacific Ocean and Ross Sea" masterLastPageNumber="271" masterPageNumber="255" pageNumber="265" updateTime="1698492236231" updateUser="ExternalLinkService">
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<mods:titleInfo id="80B649A58559AEA9039F29A41431BFF8">
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<mods:title id="685440AAD513DFF9A83C67C1F9ABEAB0">One new genus and three new species of deep-sea nematodes (Nematoda: Microlaimidae) from the Southwest Pacific Ocean and Ross Sea</mods:title>
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<mods:name id="EB80D82820B625C550C0D8F924F27DAC" type="personal">
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<mods:namePart id="DB7A8629DB5879D38C9B294BF3B14296">Leduc, Daniel</mods:namePart>
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<mods:title id="CAFE641A8F4A65D9DE100ACA3538A3D6">Zootaxa</mods:title>
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<mods:part id="82EDC2914245EA82BB5D79D28194643C">
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<mods:date id="8B49EC080795749C5597B6E1A3B4D4CB">2016</mods:date>
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<mods:number id="AD4533206666584AD110D1AE065F2834">2016-02-11</mods:number>
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<mods:number id="F7FC42D004739A46E8070A15CE3A5FD6">4079</mods:number>
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<mods:identifier id="82B6E6F5650D785A9FAE0789E6AE7BB6" type="DOI">10.11646/zootaxa.4079.2.7</mods:identifier>
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<treatment id="03DF87D8FFD87A1EFF49BF04FD9FFCD3" ID-DOI="http://doi.org/10.5281/zenodo.6091278" ID-GBIF-Taxon="137307230" ID-Zenodo-Dep="6091278" LSID="urn:lsid:plazi:treatment:03DF87D8FFD87A1EFF49BF04FD9FFCD3" httpUri="http://treatment.plazi.org/id/03DF87D8FFD87A1EFF49BF04FD9FFCD3" lastPageId="13" lastPageNumber="268" pageId="10" pageNumber="265">
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<subSubSection id="C36C6545FFD87A19FF49BF04FE51F8E8" box="[151,401,1868,1894]" pageId="10" pageNumber="265" type="nomenclature">
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<paragraph id="8BC936CEFFD87A19FF49BF04FE51F8E8" blockId="10.[151,401,1868,1894]" box="[151,401,1868,1894]" pageId="10" pageNumber="265">
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<heading id="D08181A2FFD87A19FF49BF04FE51F8E8" bold="true" box="[151,401,1868,1894]" fontSize="11" level="1" pageId="10" pageNumber="265" reason="1">
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<emphasis id="B902EADCFFD87A19FF49BF04FE51F8E8" bold="true" box="[151,401,1868,1894]" pageId="10" pageNumber="265">
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<taxonomicName id="4C764D4DFFD87A19FF49BF04FEF8F8E8" ID-CoL="8FZ69" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[151,312,1868,1894]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="10" pageNumber="265" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="B902EADCFFD87A19FF49BF04FEF8F8E8" bold="true" box="[151,312,1868,1894]" italics="true" pageId="10" pageNumber="265">Maragnopsia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23157A7FFD87A19FEE1BF04FE51F8E8" box="[319,401,1868,1894]" pageId="10" pageNumber="265" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C6545FFD87A19FF49BFDAFEF5F87D" pageId="10" pageNumber="265" type="etymology">
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<paragraph id="8BC936CEFFD87A19FF49BFDAFEF5F87D" blockId="10.[151,1436,1938,2035]" pageId="10" pageNumber="265">
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<emphasis id="B902EADCFFD87A19FF49BFDAFEDEF825" bold="true" box="[151,286,1938,1963]" pageId="10" pageNumber="265">Etymology.</emphasis>
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The genus name is derived from the greek
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<emphasis id="B902EADCFFD87A19FCD6BFDCFCADF825" box="[776,877,1940,1963]" italics="true" pageId="10" pageNumber="265">maragna</emphasis>
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(= whip) and
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<emphasis id="B902EADCFFD87A19FBD0BFDCFB8AF825" box="[1038,1098,1940,1963]" italics="true" pageId="10" pageNumber="265">opsia</emphasis>
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(= evening, night), and refers to the long and thin shape of the body and tail that characterises the
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<typeStatus id="54CD886CFFD87A19FC67BFFFFC29F841" box="[953,1001,1975,1999]" pageId="10" pageNumber="265">type</typeStatus>
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species, and the dark environment in which it lives.
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</paragraph>
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</subSubSection>
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<caption id="DF096646FFD97A18FF49BFDCFC66F846" httpUri="https://zenodo.org/record/1050730/files/figure.png" pageId="11" pageNumber="266" targetBox="[160,1428,203,1907]" targetPageId="11">
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<paragraph id="8BC936CEFFD97A18FF49BFDCFC66F846" blockId="11.[151,1436,1939,1992]" pageId="11" pageNumber="266">
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<emphasis id="B902EADCFFD97A18FF49BFDCFD7EF827" bold="true" box="[151,702,1939,1962]" pageId="11" pageNumber="266">
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FIGURE 3.
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<taxonomicName id="4C764D4DFFD97A18FEC6BFDBFDD1F827" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[280,529,1939,1961]" class="Chromadorea" family="Microlaimidae" genus="Bolbolaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="11" pageNumber="266" phylum="Nematoda" rank="species" species="tongaensis" status="sp. nov.">
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<emphasis id="B902EADCFFD97A18FEC6BFDBFDD1F827" bold="true" box="[280,529,1939,1961]" italics="true" pageId="11" pageNumber="266">Bolbolaimus tongaensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23157A7FFD97A18FDC9BFDCFD90F827" box="[535,592,1940,1961]" pageId="11" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
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Holotype.
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</emphasis>
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A: Lateral surface view of head; B: anterior body region; C: entire male; D: posterior body region. Scale bar: A = 20 µm; B & D = 25 µm; C = 62 µm.
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</paragraph>
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</caption>
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<caption id="DF096646FFDE7A1FFF49BEA5FC11F8AF" httpUri="https://zenodo.org/record/1050732/files/figure.png" pageId="12" pageNumber="267" targetBox="[164,1427,206,1740]" targetPageId="12">
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<paragraph id="8BC936CEFFDE7A1FFF49BEA5FC11F8AF" blockId="12.[151,1436,1772,1825]" pageId="12" pageNumber="267">
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<emphasis id="B902EADCFFDE7A1FFF49BEA5FD79F88C" bold="true" box="[151,697,1772,1795]" pageId="12" pageNumber="267">
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FIGURE 4.
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<taxonomicName id="4C764D4DFFDE7A1FFEC3BEA4FDD9F88C" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[285,537,1772,1794]" class="Chromadorea" family="Microlaimidae" genus="Bolbolaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="12" pageNumber="267" phylum="Nematoda" rank="species" species="tongaensis" status="sp. nov.">
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<emphasis id="B902EADCFFDE7A1FFEC3BEA4FDD9F88C" bold="true" box="[285,537,1772,1794]" italics="true" pageId="12" pageNumber="267">Bolbolaimus tongaensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23157A7FFDE7A1FFDFFBEA5FD9CF88C" box="[545,604,1773,1794]" pageId="12" pageNumber="267" rank="species">n. sp.</taxonomicNameLabel>
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Female.
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</emphasis>
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A: Lateral view of head; B: anterior body region; C: entire female; D: posterior body region. Scale bar: A = 20 µm; B = 40 µm; C = 75 µm; D = 30 µm.
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</paragraph>
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</caption>
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<subSubSection id="C36C6545FFDE7A1FFF19BF00FD31F827" pageId="12" pageNumber="267" type="diagnosis">
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<paragraph id="8BC936CEFFDE7A1FFF19BF00FD31F827" blockId="12.[151,1436,1864,2033]" pageId="12" pageNumber="267">
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<emphasis id="B902EADCFFDE7A1FFF19BF00FE81F8EF" bold="true" box="[199,321,1864,1889]" pageId="12" pageNumber="267">Diagnosis.</emphasis>
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<taxonomicName id="4C764D4DFFDE7A1FFE99BF02FE1EF8EF" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[327,478,1866,1889]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="12" pageNumber="267" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="B902EADCFFDE7A1FFE99BF02FE1EF8EF" box="[327,478,1866,1889]" italics="true" pageId="12" pageNumber="267">Maragnopsia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23157A7FFDE7A1FFE3BBF00FDF3F8EF" box="[485,563,1864,1889]" pageId="12" pageNumber="267" rank="genus">
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<emphasis id="B902EADCFFDE7A1FFE3BBF00FDF3F8EF" bold="true" box="[485,563,1864,1889]" pageId="12" pageNumber="267">n. gen.</emphasis>
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</taxonomicNameLabel>
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is characterised by a minute, non-cuticularised mouth cavity without teeth, an elongated posterior pharyngeal bulb 2.4–2.9 times longer than wide, a single outstretched testis, and a conicocylindrical tail 13–16 anal body diameters (abd) long.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C6545FFDE7A1EFF19BFFCFD9FFCD3" lastPageId="13" lastPageNumber="268" pageId="12" pageNumber="267" type="discussion">
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<paragraph id="8BC936CEFFDE7A1EFF19BFFCFCBEFE23" blockId="12.[151,1436,1864,2033]" lastBlockId="13.[151,1436,151,861]" lastPageId="13" lastPageNumber="268" pageId="12" pageNumber="267">
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<emphasis id="B902EADCFFDE7A1FFF19BFFCFEFBF843" bold="true" box="[199,315,1972,1997]" pageId="12" pageNumber="267">Remarks.</emphasis>
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A minute buccal cavity without teeth has been described for the closely related genera
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<taxonomicName id="4C764D4DFFDE7A1FFACABFFDFEDBF87F" authority="Cobb, 1920" authorityName="Cobb" authorityYear="1920" class="Chromadorea" family="Microlaimidae" genus="Cinctonema" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="12" pageNumber="267" phylum="Nematoda" rank="genus">
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<emphasis id="B902EADCFFDE7A1FFACABFFDFA5CF842" box="[1300,1436,1973,1996]" italics="true" pageId="12" pageNumber="267">Cinctonema</emphasis>
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<bibRefCitation id="EFE74B3FFFDE7A1FFF49BF90FEDBF87F" author="Cobb" box="[151,283,2008,2033]" pageId="12" pageNumber="267" refString="Cobb, N. A. (1920) One hundred new nemas (types species of 100 new genera). Contributions to the Science of Nematology, 9, 217 - 343." type="journal article" year="1920">Cobb, 1920</bibRefCitation>
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</taxonomicName>
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and
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<taxonomicName id="4C764D4DFFDE7A1FFE8DBF90FDBCF87F" authority="Kreis, 1929" authorityName="Kreis" authorityYear="1929" box="[339,636,2008,2033]" class="Chromadorea" family="Microlaimidae" genus="Crassolaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="12" pageNumber="267" phylum="Nematoda" rank="genus">
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<emphasis id="B902EADCFFDE7A1FFE8DBF90FE2DF87F" box="[339,493,2008,2033]" italics="true" pageId="12" pageNumber="267">Crassolaimus</emphasis>
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Kreis, 1929
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</taxonomicName>
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. Both of these genera, however, are considered
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<emphasis id="B902EADCFFDE7A1FFB42BF92FAACF87F" box="[1180,1388,2008,2033]" italics="true" pageId="12" pageNumber="267">genera inquirenda</emphasis>
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due to lack of detailed descriptions (
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<bibRefCitation id="EFE74B3FFFDF7A1EFE25B8DFFD79FF3E" author="Tchesunov" box="[507,697,151,176]" pageId="13" pageNumber="268" refString="Tchesunov, A. V. (2014) Order Desmodorida De Coninck, 1965. In: Shmidt-Rhaesa, A. (Ed.), Handbook of Zoology Gastrotricha, Cyclioneura and Gnathifera. Vol. 2. Nematoda. De Gruyter, Hamburg, pp. 399 - 434." type="book chapter" year="2014">Tchesunov 2014</bibRefCitation>
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). A number of
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<taxonomicName id="4C764D4DFFDF7A1EFCBEB8DFFC2EFF3E" authorityName="Leduc" authorityYear="2016" box="[864,1006,151,176]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus">
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<emphasis id="B902EADCFFDF7A1EFCBEB8DFFC2EFF3E" box="[864,1006,151,176]" italics="true" pageId="13" pageNumber="268">Microlaimus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C764D4DFFDF7A1EFBFAB8D0FB4EFF21" authorityName="Jensen" authorityYear="1978" box="[1060,1166,152,175]" class="Chromadorea" family="Microlaimidae" genus="Aponema" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus">
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<emphasis id="B902EADCFFDF7A1EFBFAB8D0FB4EFF21" box="[1060,1166,152,175]" italics="true" pageId="13" pageNumber="268">Aponema</emphasis>
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</taxonomicName>
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species possess a single testis, although this trait is rare within
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<taxonomicName id="4C764D4DFFDF7A1EFD8FB8F4FD1FFF5B" authorityName="Leduc" authorityYear="2016" box="[593,735,188,213]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus">
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<emphasis id="B902EADCFFDF7A1EFD8FB8F4FD1FFF5B" box="[593,735,188,213]" italics="true" pageId="13" pageNumber="268">Microlaimus</emphasis>
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</taxonomicName>
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(e.g.,
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<taxonomicName id="4C764D4DFFDF7A1EFCF7B8F5FC53FF5A" authorityName="Blome" authorityYear="1982" box="[809,915,189,212]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="species" species="nanus">
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<emphasis id="B902EADCFFDF7A1EFCF7B8F5FC53FF5A" box="[809,915,189,212]" italics="true" pageId="13" pageNumber="268">M. nanus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C764D4DFFDF7A1EFC13B8F5FB8CFF5B" baseAuthorityName="Bussau & Vopel" baseAuthorityYear="1999" box="[973,1100,188,213]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="species" species="nympha">
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<emphasis id="B902EADCFFDF7A1EFC13B8F5FB8CFF5B" box="[973,1100,188,213]" italics="true" pageId="13" pageNumber="268">M. nympha</emphasis>
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</taxonomicName>
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).
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<taxonomicName id="4C764D4DFFDF7A1EFBBBB8F4FAA7FF5B" authorityName="Gerlach" authorityYear="1957" box="[1125,1383,188,213]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="species" species="capillaris">
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<emphasis id="B902EADCFFDF7A1EFBBBB8F4FAA7FF5B" box="[1125,1383,188,213]" italics="true" pageId="13" pageNumber="268">Microlaimus capillaris</emphasis>
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</taxonomicName>
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was also described as having only one testis but in this case it is reflexed, and not outstretched as in
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<taxonomicName id="4C764D4DFFDF7A1EFB10B8A9FAA5FF76" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[1230,1381,225,248]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="B902EADCFFDF7A1EFB10B8A9FAA5FF76" box="[1230,1381,225,248]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23157A7FFDF7A1EFAB2B8A8FF6CFE92" pageId="13" pageNumber="268" rank="genus">gen. n.</taxonomicNameLabel>
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An elongated posterior pharyngeal bulb (at least two times longer than wide) and long conico-cylindrical tail are unique traits within the
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<taxonomicName id="4C764D4DFFDF7A1EFE7BB96FFD8EFECE" authorityName=", Kovalyev & Tchesunov" authorityYear="2005" box="[421,590,295,320]" class="Chromadorea" family="Microlaimidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="family">Microlaimidae</taxonomicName>
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. All other microlaimid genera are characterised by a rounded, pyriform, or oval-shaped posterior pharyngeal bulb, which differ markedly in shape to the elongated bulb of
|
||
<taxonomicName id="4C764D4DFFDF7A1EFB3BB905FABCFEEA" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[1253,1404,333,356]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B902EADCFFDF7A1EFB3BB905FABCFEEA" box="[1253,1404,333,356]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23157A7FFDF7A1EFA5BB904FF08FE06" pageId="13" pageNumber="268" rank="genus">
|
||
<emphasis id="B902EADCFFDF7A1EFA5BB904FF08FE06" bold="true" pageId="13" pageNumber="268">n. gen.</emphasis>
|
||
</taxonomicNameLabel>
|
||
A tail with a short conical portion is found in
|
||
<taxonomicName id="4C764D4DFFDF7A1EFD0EB927FC02FE06" authorityName="Wieser" authorityYear="1954" box="[720,962,367,392]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="species" species="gerlachi">
|
||
<emphasis id="B902EADCFFDF7A1EFD0EB927FC02FE06" box="[720,962,367,392]" italics="true" pageId="13" pageNumber="268">Microlaimus gerlachi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C764D4DFFDF7A1EFC0EB939FBBBFE06" authorityName="Meyl" authorityYear="1954" box="[976,1147,367,392]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="species" species="honestoides">
|
||
<emphasis id="B902EADCFFDF7A1EFC0EB939FBBBFE06" box="[976,1147,367,392]" italics="true" pageId="13" pageNumber="268">M. honestoides</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C764D4DFFDF7A1EFB6FB939FA86FE06" authorityName="Meyl" authorityYear="1954" box="[1201,1350,369,392]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="species" species="pygmaeus">
|
||
<emphasis id="B902EADCFFDF7A1EFB6FB939FA86FE06" box="[1201,1350,369,392]" italics="true" pageId="13" pageNumber="268">M. pygmaeus</emphasis>
|
||
</taxonomicName>
|
||
but tail length in these species never exceeds 6 anal body diameters (abd).
|
||
</paragraph>
|
||
<paragraph id="8BC936CEFFDF7A1EFF19B9FFFD9FFCD3" blockId="13.[151,1436,151,861]" pageId="13" pageNumber="268">
|
||
The new genus shows superficial similarities with the family
|
||
<taxonomicName id="4C764D4DFFDF7A1EFCA3B9FFFBDFFE5E" box="[893,1055,439,464]" class="Chromadorea" family="Linhomoeidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Monhysterida" pageId="13" pageNumber="268" phylum="Nematoda" rank="family">Linhomoeidae</taxonomicName>
|
||
(Order
|
||
<taxonomicName id="4C764D4DFFDF7A1EFBA7B9FFFAD9FE5E" authorityName="Filipjev" authorityYear="1929" box="[1145,1305,439,464]" class="Chromadorea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Monhysterida" pageId="13" pageNumber="268" phylum="Nematoda" rank="order">Monhysterida</taxonomicName>
|
||
), due to the absence of teeth in the buccal cavity, cheilostoma apparently without longitudinal folds, circular amphids, outstretched ovaries, short spicules and long conico-cylindrical tail.
|
||
<taxonomicName id="4C764D4DFFDF7A1EFC47BA49FBF0FD96" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[921,1072,513,536]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B902EADCFFDF7A1EFC47BA49FBF0FD96" box="[921,1072,513,536]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23157A7FFDF7A1EFBE9BA48FB45FD99" box="[1079,1157,512,536]" pageId="13" pageNumber="268" rank="genus">gen. n.</taxonomicNameLabel>
|
||
, however, lacks two key characteristics of the family
|
||
<taxonomicName id="4C764D4DFFDF7A1EFE04BA6CFDBFFDB3" box="[474,639,548,573]" class="Chromadorea" family="Linhomoeidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Monhysterida" pageId="13" pageNumber="268" phylum="Nematoda" rank="family">Linhomoeidae</taxonomicName>
|
||
, i.e., a narrow mouth opening surrounded by bulge of inner portion of lip region, and conspicuously elongated cardia. The head of
|
||
<taxonomicName id="4C764D4DFFDF7A1EFC8BBA01FC2CFDEE" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[853,1004,585,608]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B902EADCFFDF7A1EFC8BBA01FC2CFDEE" box="[853,1004,585,608]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23157A7FFDF7A1EFC28BA0FFB88FDEE" box="[1014,1096,583,608]" pageId="13" pageNumber="268" rank="genus">
|
||
<emphasis id="B902EADCFFDF7A1EFC28BA0FFB88FDEE" bold="true" box="[1014,1096,583,608]" pageId="13" pageNumber="268">gen. n.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is characterised by a slightly swollen, non-annulated apical portion, a feature found in the microlaimid genera
|
||
<taxonomicName id="4C764D4DFFDF7A1EFBE9BA24FB05FD0B" authorityName="Leduc" authorityYear="2016" box="[1079,1221,620,645]" class="Chromadorea" family="Microlaimidae" genus="Microlaimus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus">
|
||
<emphasis id="B902EADCFFDF7A1EFBE9BA24FB05FD0B" box="[1079,1221,620,645]" italics="true" pageId="13" pageNumber="268">Microlaimus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C764D4DFFDF7A1EFB21BA24FAA9FD0D" authorityName="Jensen" authorityYear="1978" box="[1279,1385,620,643]" class="Chromadorea" family="Microlaimidae" genus="Aponema" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus">
|
||
<emphasis id="B902EADCFFDF7A1EFB21BA24FAA9FD0D" box="[1279,1385,620,643]" italics="true" pageId="13" pageNumber="268">Aponema</emphasis>
|
||
</taxonomicName>
|
||
, but not in the family
|
||
<taxonomicName id="4C764D4DFFDF7A1EFE87BAC7FE3EFD26" box="[345,510,655,680]" class="Chromadorea" family="Linhomoeidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Monhysterida" pageId="13" pageNumber="268" phylum="Nematoda" rank="family">Linhomoeidae</taxonomicName>
|
||
. Microlaimids are usually characterised by the presence of four cephalic setae in a separate circle from the often minute (rarely setose) outer labial sensillae and usually lack subcephalic setae, whereas linhomoeids often have setose outer labial sensillae and/or subcephalic setae. The absence of longitudinal folds in the cheilostoma of
|
||
<taxonomicName id="4C764D4DFFDF7A1EFE18BAB5FD9DFC9A" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[454,605,765,788]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B902EADCFFDF7A1EFE18BAB5FD9DFC9A" box="[454,605,765,788]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23157A7FFDF7A1EFDBABAB5FD6FFC9A" box="[612,687,765,789]" pageId="13" pageNumber="268" rank="genus">gen. n.</taxonomicNameLabel>
|
||
is probably due to the small size of the buccal cavity, which makes observations difficult. In addition, the cuticle of
|
||
<taxonomicName id="4C764D4DFFDF7A1EFD69BB69FC8EFCB6" authority="Leduc, 2016" authorityName="Leduc" authorityYear="2016" box="[695,846,801,824]" class="Chromadorea" family="Microlaimidae" genus="Maragnopsia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B902EADCFFDF7A1EFD69BB69FC8EFCB6" box="[695,846,801,824]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23157A7FFDF7A1EFC88BB68FC62FCB9" box="[854,930,800,824]" pageId="13" pageNumber="268" rank="genus">gen. n.</taxonomicNameLabel>
|
||
is annulated, a feature of the
|
||
<taxonomicName id="4C764D4DFFDF7A1EFB2EBB57FA58FCB6" authorityName=", Kovalyev & Tchesunov" authorityYear="2005" box="[1264,1432,799,824]" class="Chromadorea" family="Microlaimidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Desmodorida" pageId="13" pageNumber="268" phylum="Nematoda" rank="family">Microlaimidae</taxonomicName>
|
||
, and not striated, as in the
|
||
<taxonomicName id="4C764D4DFFDF7A1EFE68BB0CFD9BFCD3" box="[438,603,836,861]" class="Chromadorea" family="Linhomoeidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Monhysterida" pageId="13" pageNumber="268" phylum="Nematoda" rank="family">Linhomoeidae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |