treatments-xml/data/03/DF/87/03DF87D8FFD87A1EFF49BF04FD9FFCD3.xml
2024-06-21 12:22:17 +02:00

221 lines
26 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<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">
<mods:mods id="74E529EA815762F245D182B2AF1602C4" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="80B649A58559AEA9039F29A41431BFF8">
<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>
</mods:titleInfo>
<mods:name id="EB80D82820B625C550C0D8F924F27DAC" type="personal">
<mods:role id="33E30FBEFC91FC4ABE019B1C512ECE44">
<mods:roleTerm id="620BF5DFED8CBA650307B0E27470B483">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="DB7A8629DB5879D38C9B294BF3B14296">Leduc, Daniel</mods:namePart>
</mods:name>
<mods:typeOfResource id="4119A83823821B892E76C02C0B2F12E7">text</mods:typeOfResource>
<mods:relatedItem id="7DB5A307BC46175831C44EFC13F65D8F" type="host">
<mods:titleInfo id="D0638CA5ED1E564F0D954413AA5FA4A5">
<mods:title id="CAFE641A8F4A65D9DE100ACA3538A3D6">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="82EDC2914245EA82BB5D79D28194643C">
<mods:date id="8B49EC080795749C5597B6E1A3B4D4CB">2016</mods:date>
<mods:detail id="D9B43358A6131C5A34885E4020F1B8E2" type="pubDate">
<mods:number id="AD4533206666584AD110D1AE065F2834">2016-02-11</mods:number>
</mods:detail>
<mods:detail id="1A9BE8C1140B2CD6B817DB7F2EC29F74" type="volume">
<mods:number id="F7FC42D004739A46E8070A15CE3A5FD6">4079</mods:number>
</mods:detail>
<mods:detail id="FBB0AEBC54CD09CB2399FF119201FCEE" type="issue">
<mods:number id="231C52E83F842B4507A0B7B4208AC715">2</mods:number>
</mods:detail>
<mods:extent id="13284419F65BCF535EC8DBC73D383275" unit="page">
<mods:start id="4B26E13812972F08BE798D329011DD02">255</mods:start>
<mods:end id="E5C546E08BB8C6CCD05FE60A3A9D0FC0">271</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="E33391BE4182BFE511F36AB0C2CB40B6">journal article</mods:classification>
<mods:identifier id="0E5057907697821D50432D83726E2E79" type="CLB-Dataset">31517</mods:identifier>
<mods:identifier id="82B6E6F5650D785A9FAE0789E6AE7BB6" type="DOI">10.11646/zootaxa.4079.2.7</mods:identifier>
<mods:identifier id="2D21928C204718A62FE273894DA07FA7" type="GBIF-Dataset">aeb5f27b-9b28-4c91-82bd-2e9f1519b650</mods:identifier>
<mods:identifier id="2234C84E0714CB745FE5E4317099181F" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="F91B8E03BD8EF362D8983E7FC73238F8" type="Zenodo-Dep">1050724</mods:identifier>
<mods:identifier id="AF81DE532A62902CDEB89D25735B6BE1" type="ZooBank">4B63856C-0BE7-4AE2-B3CF-B8A2EC2CE4FB</mods:identifier>
</mods:mods>
<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">
<subSubSection id="C36C6545FFD87A19FF49BF04FE51F8E8" box="[151,401,1868,1894]" pageId="10" pageNumber="265" type="nomenclature">
<paragraph id="8BC936CEFFD87A19FF49BF04FE51F8E8" blockId="10.[151,401,1868,1894]" box="[151,401,1868,1894]" pageId="10" pageNumber="265">
<heading id="D08181A2FFD87A19FF49BF04FE51F8E8" bold="true" box="[151,401,1868,1894]" fontSize="11" level="1" pageId="10" pageNumber="265" reason="1">
<emphasis id="B902EADCFFD87A19FF49BF04FE51F8E8" bold="true" box="[151,401,1868,1894]" pageId="10" pageNumber="265">
<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.">
<emphasis id="B902EADCFFD87A19FF49BF04FEF8F8E8" bold="true" box="[151,312,1868,1894]" italics="true" pageId="10" pageNumber="265">Maragnopsia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23157A7FFD87A19FEE1BF04FE51F8E8" box="[319,401,1868,1894]" pageId="10" pageNumber="265" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C36C6545FFD87A19FF49BFDAFEF5F87D" pageId="10" pageNumber="265" type="etymology">
<paragraph id="8BC936CEFFD87A19FF49BFDAFEF5F87D" blockId="10.[151,1436,1938,2035]" pageId="10" pageNumber="265">
<emphasis id="B902EADCFFD87A19FF49BFDAFEDEF825" bold="true" box="[151,286,1938,1963]" pageId="10" pageNumber="265">Etymology.</emphasis>
The genus name is derived from the greek
<emphasis id="B902EADCFFD87A19FCD6BFDCFCADF825" box="[776,877,1940,1963]" italics="true" pageId="10" pageNumber="265">maragna</emphasis>
(= whip) and
<emphasis id="B902EADCFFD87A19FBD0BFDCFB8AF825" box="[1038,1098,1940,1963]" italics="true" pageId="10" pageNumber="265">opsia</emphasis>
(= evening, night), and refers to the long and thin shape of the body and tail that characterises the
<typeStatus id="54CD886CFFD87A19FC67BFFFFC29F841" box="[953,1001,1975,1999]" pageId="10" pageNumber="265">type</typeStatus>
species, and the dark environment in which it lives.
</paragraph>
</subSubSection>
<caption id="DF096646FFD97A18FF49BFDCFC66F846" httpUri="https://zenodo.org/record/1050730/files/figure.png" pageId="11" pageNumber="266" targetBox="[160,1428,203,1907]" targetPageId="11">
<paragraph id="8BC936CEFFD97A18FF49BFDCFC66F846" blockId="11.[151,1436,1939,1992]" pageId="11" pageNumber="266">
<emphasis id="B902EADCFFD97A18FF49BFDCFD7EF827" bold="true" box="[151,702,1939,1962]" pageId="11" pageNumber="266">
FIGURE 3.
<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.">
<emphasis id="B902EADCFFD97A18FEC6BFDBFDD1F827" bold="true" box="[280,529,1939,1961]" italics="true" pageId="11" pageNumber="266">Bolbolaimus tongaensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23157A7FFD97A18FDC9BFDCFD90F827" box="[535,592,1940,1961]" pageId="11" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
Holotype.
</emphasis>
A: Lateral surface view of head; B: anterior body region; C: entire male; D: posterior body region. Scale bar: A = 20 µm; B &amp; D = 25 µm; C = 62 µm.
</paragraph>
</caption>
<caption id="DF096646FFDE7A1FFF49BEA5FC11F8AF" httpUri="https://zenodo.org/record/1050732/files/figure.png" pageId="12" pageNumber="267" targetBox="[164,1427,206,1740]" targetPageId="12">
<paragraph id="8BC936CEFFDE7A1FFF49BEA5FC11F8AF" blockId="12.[151,1436,1772,1825]" pageId="12" pageNumber="267">
<emphasis id="B902EADCFFDE7A1FFF49BEA5FD79F88C" bold="true" box="[151,697,1772,1795]" pageId="12" pageNumber="267">
FIGURE 4.
<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.">
<emphasis id="B902EADCFFDE7A1FFEC3BEA4FDD9F88C" bold="true" box="[285,537,1772,1794]" italics="true" pageId="12" pageNumber="267">Bolbolaimus tongaensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23157A7FFDE7A1FFDFFBEA5FD9CF88C" box="[545,604,1773,1794]" pageId="12" pageNumber="267" rank="species">n. sp.</taxonomicNameLabel>
Female.
</emphasis>
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.
</paragraph>
</caption>
<subSubSection id="C36C6545FFDE7A1FFF19BF00FD31F827" pageId="12" pageNumber="267" type="diagnosis">
<paragraph id="8BC936CEFFDE7A1FFF19BF00FD31F827" blockId="12.[151,1436,1864,2033]" pageId="12" pageNumber="267">
<emphasis id="B902EADCFFDE7A1FFF19BF00FE81F8EF" bold="true" box="[199,321,1864,1889]" pageId="12" pageNumber="267">Diagnosis.</emphasis>
<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.">
<emphasis id="B902EADCFFDE7A1FFE99BF02FE1EF8EF" box="[327,478,1866,1889]" italics="true" pageId="12" pageNumber="267">Maragnopsia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23157A7FFDE7A1FFE3BBF00FDF3F8EF" box="[485,563,1864,1889]" pageId="12" pageNumber="267" rank="genus">
<emphasis id="B902EADCFFDE7A1FFE3BBF00FDF3F8EF" bold="true" box="[485,563,1864,1889]" pageId="12" pageNumber="267">n. gen.</emphasis>
</taxonomicNameLabel>
is characterised by a minute, non-cuticularised mouth cavity without teeth, an elongated posterior pharyngeal bulb 2.42.9 times longer than wide, a single outstretched testis, and a conicocylindrical tail 1316 anal body diameters (abd) long.
</paragraph>
</subSubSection>
<subSubSection id="C36C6545FFDE7A1EFF19BFFCFD9FFCD3" lastPageId="13" lastPageNumber="268" pageId="12" pageNumber="267" type="discussion">
<paragraph id="8BC936CEFFDE7A1EFF19BFFCFCBEFE23" blockId="12.[151,1436,1864,2033]" lastBlockId="13.[151,1436,151,861]" lastPageId="13" lastPageNumber="268" pageId="12" pageNumber="267">
<emphasis id="B902EADCFFDE7A1FFF19BFFCFEFBF843" bold="true" box="[199,315,1972,1997]" pageId="12" pageNumber="267">Remarks.</emphasis>
A minute buccal cavity without teeth has been described for the closely related genera
<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">
<emphasis id="B902EADCFFDE7A1FFACABFFDFA5CF842" box="[1300,1436,1973,1996]" italics="true" pageId="12" pageNumber="267">Cinctonema</emphasis>
<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>
</taxonomicName>
and
<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">
<emphasis id="B902EADCFFDE7A1FFE8DBF90FE2DF87F" box="[339,493,2008,2033]" italics="true" pageId="12" pageNumber="267">Crassolaimus</emphasis>
Kreis, 1929
</taxonomicName>
. Both of these genera, however, are considered
<emphasis id="B902EADCFFDE7A1FFB42BF92FAACF87F" box="[1180,1388,2008,2033]" italics="true" pageId="12" pageNumber="267">genera inquirenda</emphasis>
due to lack of detailed descriptions (
<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>
). A number of
<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">
<emphasis id="B902EADCFFDF7A1EFCBEB8DFFC2EFF3E" box="[864,1006,151,176]" italics="true" pageId="13" pageNumber="268">Microlaimus</emphasis>
</taxonomicName>
and
<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">
<emphasis id="B902EADCFFDF7A1EFBFAB8D0FB4EFF21" box="[1060,1166,152,175]" italics="true" pageId="13" pageNumber="268">Aponema</emphasis>
</taxonomicName>
species possess a single testis, although this trait is rare within
<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">
<emphasis id="B902EADCFFDF7A1EFD8FB8F4FD1FFF5B" box="[593,735,188,213]" italics="true" pageId="13" pageNumber="268">Microlaimus</emphasis>
</taxonomicName>
(e.g.,
<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">
<emphasis id="B902EADCFFDF7A1EFCF7B8F5FC53FF5A" box="[809,915,189,212]" italics="true" pageId="13" pageNumber="268">M. nanus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C764D4DFFDF7A1EFC13B8F5FB8CFF5B" baseAuthorityName="Bussau &amp; 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">
<emphasis id="B902EADCFFDF7A1EFC13B8F5FB8CFF5B" box="[973,1100,188,213]" italics="true" pageId="13" pageNumber="268">M. nympha</emphasis>
</taxonomicName>
).
<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">
<emphasis id="B902EADCFFDF7A1EFBBBB8F4FAA7FF5B" box="[1125,1383,188,213]" italics="true" pageId="13" pageNumber="268">Microlaimus capillaris</emphasis>
</taxonomicName>
was also described as having only one testis but in this case it is reflexed, and not outstretched as in
<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.">
<emphasis id="B902EADCFFDF7A1EFB10B8A9FAA5FF76" box="[1230,1381,225,248]" italics="true" pageId="13" pageNumber="268">Maragnopsia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23157A7FFDF7A1EFAB2B8A8FF6CFE92" pageId="13" pageNumber="268" rank="genus">gen. n.</taxonomicNameLabel>
An elongated posterior pharyngeal bulb (at least two times longer than wide) and long conico-cylindrical tail are unique traits within the
<taxonomicName id="4C764D4DFFDF7A1EFE7BB96FFD8EFECE" authorityName=", Kovalyev &amp; 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>
. 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 &amp; 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>