440 lines
67 KiB
XML
440 lines
67 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/BDJ.8.e59726" ID-PMC="PMC7691316" ID-Pensoft-Pub="1314-2828-8-e59726" ID-Pensoft-UUID="FC70FC3B54C35D92A3381FD81D80933F" ID-PubMed="33250637" ID-ZooBank="16AE6297A5BB42E5BACBA2848756067C" ModsDocID="1314-2828-8-e59726" checkinTime="1605866776835" checkinUser="pensoft" docAuthor="Lin, Jun-Hui, Garcia-Garza, Maria E., Lin, He-Shan & Wang, Jian-Jun" docDate="2020" docId="76C6AAADB4C15EC6990DB68E727B1158" docLanguage="en" docName="BiodivDatJour 8: e59726" docOrigin="Biodiversity Data Journal 8" docSource="http://dx.doi.org/10.3897/BDJ.8.e59726" docTitle="Leiochrides guangxiensis Lin, Garcia-Garza, Lin, & Wang 2020, sp. n." docType="treatment" docVersion="2" id="FC70FC3B54C35D92A3381FD81D80933F" lastPageNumber="59726" masterDocId="FC70FC3B54C35D92A3381FD81D80933F" masterDocTitle="A new species of Leiochrides Augener, 1914 (Annelida: Capitellidae) from the Beibu Gulf, South China Sea" masterLastPageNumber="59726" masterPageNumber="59726" pageNumber="59726" updateTime="1668125746827" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A new species of Leiochrides Augener, 1914 (Annelida: Capitellidae) from the Beibu Gulf, South China Sea</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lin, Jun-Hui</mods:namePart>
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<mods:affiliation>Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China</mods:affiliation>
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<mods:nameIdentifier type="email">linjunhui@tio.org.cn</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Garcia-Garza, Maria E.</mods:namePart>
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<mods:affiliation>Universidad Autonoma de Nuevo Leon, Facultad de Ciencias Biologicas, Laboratorio de Biosistematica, San Nicolas de los Garza, Nuevo Leon, Mexico</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lin, He-Shan</mods:namePart>
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<mods:affiliation>Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, Jian-Jun</mods:namePart>
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<mods:affiliation>Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China</mods:affiliation>
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<mods:nameIdentifier type="email">wangjianjun220@tio.org.cn</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Biodiversity Data Journal</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>8</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>59726</mods:start>
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<mods:end>59726</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/BDJ.8.e59726</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/BDJ.8.e59726</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2828-8-e59726</mods:identifier>
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<mods:identifier type="ZooBank">16AE6297A5BB42E5BACBA2848756067C</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FC70FC3B54C35D92A3381FD81D80933F</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:" httpUri="http://treatment.plazi.org/id/76C6AAADB4C15EC6990DB68E727B1158" lastPageNumber="59726" pageId="0" pageNumber="59726">
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<subSubSection pageId="0" pageNumber="59726" type="nomenclature">
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<paragraph pageId="0" pageNumber="59726">
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<taxonomicName LSID="76C6AAAD-B4C1-5EC6-990D-B68E727B1158" authority="Lin, García-Garza, Lin, & Wang, 2020" authorityName="Lin, Garcia-Garza, Lin, & Wang" authorityYear="2020" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides guangxiensis" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="guangxiensis" status="sp. n.">
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Leiochrides guangxiensis Lin,
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<normalizedToken originalValue="García-Garza">Garcia-Garza</normalizedToken>
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, Lin, & Wang, 2020
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</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="59726">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59726" type="materials_examined">
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<paragraph pageId="0" pageNumber="59726">Materials</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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<materialsCitation collectingDate="2017-10-27" collectingMethod="Grab sampler" collectionCode="TIO-MNR" country="China" latitude="21.626" location="the Beibu Gulf, off Guangxi Province" longLatPrecision="55" longitude="108.6376" pageId="0" pageNumber="59726" specimenCount="1" specimenCount-adult="1" typeStatus="Holotype">
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<emphasis bold="true" pageId="0" pageNumber="59726">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="59726">Holotype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="59726">Occurrence:</emphasis>
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individualCount:
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<specimenCount pageId="0" pageNumber="59726">1</specimenCount>
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; lifeStage:
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<specimenType pageId="0" pageNumber="59726">adult</specimenType>
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;
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<emphasis bold="true" pageId="0" pageNumber="59726">Taxon:</emphasis>
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kingdom: Animalia; phylum: Annelida; class: Polychaeta; family: Capitellidae; genus: Leiochrides; specificEpithet: guangxiensis;
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<emphasis bold="true" pageId="0" pageNumber="59726">Location:</emphasis>
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higherGeography: South China Sea; continent: Asia; waterBody: South China Sea; country:
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<collectingCountry pageId="0" pageNumber="59726">China</collectingCountry>
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; stateProvince: Guangxi Province; locality:
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<location LSID="urn:lsid:plazi:treatment:76C6AAADB4C15EC6990DB68E727B1158:663364DA9C2D02FEF18CAE97092A9D94" country="China" latitude="21.626" longLatPrecision="55" longitude="108.6376" name="the Beibu Gulf, off Guangxi Province" pageId="0" pageNumber="59726">the Beibu Gulf, off Guangxi Province</location>
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; verbatimDepth: 12 m; verbatimLatitude:
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<geoCoordinate degrees="21.626" direction="north" orientation="latitude" precision="55" value="21.626">21.626°N</geoCoordinate>
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; verbatimLongitude:
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<geoCoordinate degrees="108.6376" direction="east" orientation="longitude" precision="5" value="108.6376">108.6376°E</geoCoordinate>
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;
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<emphasis bold="true" pageId="0" pageNumber="59726">Event:</emphasis>
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samplingProtocol:
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<collectingMethod pageId="0" pageNumber="59726">Grab sampler</collectingMethod>
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; eventDate:
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<collectingDate pageId="0" pageNumber="59726" value="2017-10-27">27-10-2017</collectingDate>
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; habitat: muddy sediment;
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<emphasis bold="true" pageId="0" pageNumber="59726">Record Level:</emphasis>
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institutionID: Third Institute of Oceanography, Ministry of Natural Resources; institutionCode:
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<collectionCode pageId="0" pageNumber="59726">TIO-MNR</collectionCode>
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; basisOfRecord: PreservedSpecimen
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59726" type="description">
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<paragraph pageId="0" pageNumber="59726">Description</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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Holotype (TIO-BTS-Poly-111) complete, but broken into four fragments. Anterior fragment (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A) measuring 21.2 mm long by 1.7 mm wide for 40 chaetigers; two middle fragments with 25 chaetigers and 27 chaetigers, respectively; posterior fragment heavily coiled, measuring 63.1 mm long for more than 150 chaetigers. Color in alcohol tan on thorax (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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B) and whitish tan on abdomen. Prostomium short and conical, with blunt anterior end (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and 3B). Everted proboscis globular, with numerous minute papillae (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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B and 3B). Peristomium achaetous, wider than long, same length as chaetiger 1, but narrower (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and B). Eyespots not observed. Nuchal organs indistinct. Thorax areolated from peristomium to chaetiger 6 (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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B and C), weakly areolated on chaetigers 7-8, remaining segments smooth. Lateral groove distinct from chaetiger 2 to end of anterior fragment (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and 3A).
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</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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Thorax with an achaetous peristomium and 12 chaetigers (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A, B and 3A). Chaetiger 1 uniramous, with only capillaries in notopodia (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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C). Chaetigers 2-10 with only capillaries in both rami (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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A). Chaetigers 11-12 transitional with notopodial capillaries and neuropodial hooks (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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D and 3E). Intersegmental grooves distinct in thorax, except between peristomium and chaetiger 1. Chaetigers 6-10 biannulate (more evident in lateral view), wider than long (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and B). Notopodia dorso-lateral in first chaetiger, gradually moving dorsally to end of thorax, and neuropodia ventro-lateral (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and B). Chaetal fascicles inserted just posterior to mid-line of thoracic segments (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and B). Notopodia of chaetigers 1-12 and neuropodia of chaetigers 2-10 each with 20-30 capillaries per fascicle; neuropodia of chaetigers 11-12 with approximately 50 hooks per fascicle. Thoracic hooks of similar shape to abdominal hooks, but shaft markedly longer. Lateral organs located between noto- and neuropodia, closer to notopodia in thorax and anterior abdomen, as small rounded pores (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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E); those in posterior abdomen indistinct. Genital pores not seen.
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</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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Transition between thorax and abdomen indistinct, marked by change in chaetal arrangement (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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A and E) and MGSP (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A and B). Abdominal segments shorter than posterior thoracic chaetigers in anterior abdomen, tapering gradually to pygidium. Parapodial lobes slightly swollen in anterior abdomen (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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D and F), yet reduced in posterior abdomen (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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G and I). Notopodial hooks present from chaetiger 13 (first abdominal chaetiger). Notopodial lobes well separated throughout abdomen (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A, B, E and F). From abdominal chaetiger 11, gap between notopodial lobes of same chaetiger becoming larger to end of anterior fragment (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A). Chaetal fascicles positioned posterior to mid-segment in anterior abdomen (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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D and E), and near posterior edge of segment in posterior abdomen (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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G-I). Abdomen with hooks only, approximately 30 hooks per fascicle in notopodia and more than 100 hooks per fascicle in neuropodia.
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</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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Notopodial and neuropodial abdominal hooks similar along body, with long anterior shaft, developed shoulder, angled node, distinct constriction, and short hood (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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H); posterior shaft longer than anterior one, attenuated to terminal end (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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L). Hooks (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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M) with three rows of teeth above main fang: two large teeth in basal row, a larger median tooth, and four smaller teeth above basal teeth. Main fang subtriangular, longer than wide (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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I).
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</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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Notopodial branchiae present in posterior abdomen, located on posterior edge of segment, may be retractile (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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H-K). At first, notopodia with 3-6 papillary branchiae (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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H); towards the pygidium, the branchial lobes gradually increasing in number and length, and the largest branchial fascicle with up to 17 finger-shaped filaments (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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F); then decreasing in number to end of the body (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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J and K). More than 10 achaetous segments without branchiae before pygidium (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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G). Pygidium with four digitate anal cirri (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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J and K)
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</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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<emphasis italics="true" pageId="0" pageNumber="59726">Methyl green staining</emphasis>
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: Dark blue stain from post-chaetal part of chaetiger 7 to chaetiger 10 (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F6256555" captionText="Figure 2. Holotype of Leiochrides guangxiensis sp. nov. A. thorax and anterior abdomen (23 chaetigers) in dorsal view, arrow indicates the separation of thorax and abdomen; B. thorax and anterior abdomen (17 chaetigers) in ventral view; C. anterior end in lateral view; D. chaetigers 9 - 19, showing transition between thorax and abdomen in lateral view; E. middle abdomen in lateral view; F. posterior abdomen in dorsal view; G. pygidium; H. hooded hook from middle abdomen; I. dentition of abdominal hooks. Shading on A-B indicates methyl green staining. Scale Bar: A-G = 1 mm; H = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure2" httpUri="https://binary.pensoft.net/fig/464236" pageId="0" pageNumber="59726">2</figureCitation>
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A); medium blue stain from peristomium to pre-chaetal part of chaetiger 7, as well as on chaetigers 11-12. Abdominal region without any distinct staining pattern (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F6256559" captionText="Figure 3. Leiochrides guangxiensis sp. nov. holotype. A. thorax and anterior abdomen in lateral view, showing methyl green staining; B. anterior end in dorsal view; C. anterior end in lateral view; D. chaetigers 11 - 20 in dorsal view; E. chaetigers 7 - 17 in lateral view; F. chaetigers 8 - 20 in ventral view; G. posterior abdomen; H-J. notopodial branchiae; K. posterior end showing branchiae and anal cirri; L. abdominal hooks; M. SEM photos of abdominal hooks. Abbreviations: ac, anal cirrus; br, branchiae; cc, capillary chaetae; ch, chaetiger; hh, hooded hook; lg, lateral groove; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium; vg, ventral groove. Scale Bar: A-J = 1 mm; K = 0.5 mm; L = 10 μm; I = 2 μm" figureDoi="10.3897/BDJ.8.e59726.figure3" httpUri="https://binary.pensoft.net/fig/464238" pageId="0" pageNumber="59726">3</figureCitation>
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A).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59726" type="etymology">
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<paragraph pageId="0" pageNumber="59726">Etymology</paragraph>
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<paragraph pageId="0" pageNumber="59726">The specific name is derived from the type locality, Guangxi Province.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59726" type="distribution">
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<paragraph pageId="0" pageNumber="59726">Distribution</paragraph>
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<paragraph pageId="0" pageNumber="59726">Currently known from the Beibu Gulf, northern South China Sea.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59726" type="ecology">
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<paragraph pageId="0" pageNumber="59726">Ecology</paragraph>
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<paragraph pageId="0" pageNumber="59726">The new species inhabits shallow subtidal waters where sediment is characterized by high percentage of mud.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="59726" type="taxon discussion">
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<paragraph pageId="0" pageNumber="59726">Taxon discussion</paragraph>
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<paragraph pageId="0" pageNumber="59726">
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The taxonomic and ecological knowledge of this genus is very rare in China, although
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<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
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</taxonomicName>
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species have been previously recorded (
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<bibRefCitation author="Liu, Rui. - Yu." journalOrPublisher="China Science Press, Beijing" pageId="0" pageNumber="59726" refId="B6256537" refString="Liu, Rui. - Yu., 2008. Checklist of marine biota of China seas. China Science Press, Beijing" title="Checklist of marine biota of China seas" year="2008">Liu 2008</bibRefCitation>
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). This genus is characterized by having 12 thoracic chaetigers, of which the last one or two thoracic chaetigers may only have capillaries or be transitional with notopodial capillaries and neuropodial hooks (
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<bibRefCitation author="Magalhaes, W. F." journalOrPublisher="De Gruyter, Berlin, Boston" pageId="0" pageNumber="59726" refId="B6256507" refString="Magalhaes, W. F., Blake, J. A., 2017. Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes. De Gruyter, Berlin, Boston" title="Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes" year="2017">
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<normalizedToken originalValue="Magalhães">Magalhaes</normalizedToken>
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and Blake 2017
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</bibRefCitation>
|
|
). Our specimen in the present study agrees well with the generic diagnosis. Morphological characters used for the separation of species within this genus include the following: the number of transitional thoracic chaetigers, the shape of first chaetiger, the dentition of abdominal hooks, the number of anal cirri, and the presence/absence of branchiae on posterior abdomen. Amongst all described
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
species worldwide,
|
|
<taxonomicName lsidName="L. guangxiensis" pageId="0" pageNumber="59726" rank="species" species="guangxiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. guangxiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. is closely similar to
|
|
<taxonomicName lsidName="L. branchiatus" pageId="0" pageNumber="59726" rank="species" species="branchiatus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. branchiatus</emphasis>
|
|
</taxonomicName>
|
|
Hartman, 1976 from the Bay of Bengal and
|
|
<taxonomicName lsidName="L. deltaicus" pageId="0" pageNumber="59726" rank="species" species="deltaicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. deltaicus</emphasis>
|
|
</taxonomicName>
|
|
(Capaccinoi-Azzati & Martin, 1992) from north-western Mediterranean Sea in having the last two thoracic chaetigers transitional with notopodial capillaries and neuropodial hooks, uniramous chaetiger 1, and the presence of notopodial branchiae on posterior abdomen. However,
|
|
<taxonomicName lsidName="L. guangxiensis" pageId="0" pageNumber="59726" rank="species" species="guangxiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. guangxiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. differs from
|
|
<taxonomicName lsidName="L. branchiatus" pageId="0" pageNumber="59726" rank="species" species="branchiatus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. branchiatus</emphasis>
|
|
</taxonomicName>
|
|
in that abdominal hooks of the new species have seven teeth in three rows above main fang instead of three teeth in triangular arrangement as in
|
|
<taxonomicName lsidName="L. branchiatus" pageId="0" pageNumber="59726" rank="species" species="branchiatus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. branchiatus</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
<taxonomicName lsidName="L. guangxiensis" pageId="0" pageNumber="59726" rank="species" species="guangxiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. guangxiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. can also be distinguished from
|
|
<taxonomicName lsidName="L. deltaicus" pageId="0" pageNumber="59726" rank="species" species="deltaicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. deltaicus</emphasis>
|
|
</taxonomicName>
|
|
in the maximum number of branchial filaments per fascicle and the number of anal cirri.
|
|
<taxonomicName lsidName="L. guangxiensis" pageId="0" pageNumber="59726" rank="species" species="guangxiensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. guangxiensis</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. bears branchiae with up to 17 branchial filaments per fascicle and pygidum with four anal cirri, whereas in
|
|
<taxonomicName lsidName="L. deltaicus" pageId="0" pageNumber="59726" rank="species" species="deltaicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. deltaicus</emphasis>
|
|
</taxonomicName>
|
|
, posterior abdomen has 2-4 branchial lobes per fascicle and pygidium with three anal cirri. As for MGSP, the new species stains dark blue from the postchaetal area of chaetiger 7 to chaetiger 10, medium blue on the remaining thoracic chaetigers, and light green staining on the abdomen, these characters being distinct from those of other
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
species.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="59726">
|
|
The dentition of abdominal hooks is widely used in capitellid taxonomy, as their ultrastructure is highly specific (
|
|
<bibRefCitation author="Hartman, O." journalOrPublisher="Allan Hancock Pacific Expeditions" pageId="0" pageNumber="59726" pagination="391 - 481" refId="B6256461" refString="Hartman, O., 1947. Polychaetous annelids. Part VII. Capitellidae. Allan Hancock Pacific Expeditions 10 (4/5): 391 - 481" title="Polychaetous annelids. Part VII. Capitellidae" volume="10" year="1947">Hartman 1947</bibRefCitation>
|
|
). The characteristic feature of the genus
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
is that abdominal hooks bear two larger teeth in the basal row above the main fang, although the number of small teeth may vary amongst
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
species.
|
|
<bibRefCitation author="Green, K. D." journalOrPublisher="Phuket Marine Biological Center Special Publication, Thailand" pageId="0" pageNumber="59726" refId="B6256439" refString="Green, K. D., 2002. Proceedings of the international workshop on the polychaetes of the Andaman Sea. Phuket Marine Biological Center Special Publication, Thailand" title="Proceedings of the international workshop on the polychaetes of the Andaman Sea" year="2002">Green (2002)</bibRefCitation>
|
|
pointed out that this mentioned character is conservative in
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
species, as also present in species of
|
|
<taxonomicName authorityName="Chamberlin" authorityYear="1919" class="Polychaeta" family="Capitellidae" genus="Capitellethus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capitellethus" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Capitellethus</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName class="Polychaeta" family="Capitellidae" genus="Leiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiocapitella</emphasis>
|
|
</taxonomicName>
|
|
. These three genera show similarities in general appearance and the difference amongst these genera is in relation to the number of thoracic chaetigers (
|
|
<bibRefCitation author="Magalhaes, W. F." journalOrPublisher="De Gruyter, Berlin, Boston" pageId="0" pageNumber="59726" refId="B6256507" refString="Magalhaes, W. F., Blake, J. A., 2017. Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes. De Gruyter, Berlin, Boston" title="Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes" year="2017">
|
|
<normalizedToken originalValue="Magalhães">Magalhaes</normalizedToken>
|
|
and Blake 2017
|
|
</bibRefCitation>
|
|
). In addition to one or two transitional chaetigers, the structural similarity of basal teeth in abdominal hooks amongst these three genera (
|
|
<taxonomicName authorityName="Chamberlin" authorityYear="1919" class="Polychaeta" family="Capitellidae" genus="Capitellethus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Capitellethus" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Capitellethus</emphasis>
|
|
</taxonomicName>
|
|
-
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
-
|
|
<taxonomicName class="Polychaeta" family="Capitellidae" genus="Leiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiocapitella</emphasis>
|
|
</taxonomicName>
|
|
complex) indicates that they might have a close taxonomic relationship, which should be reviewed as suggested by
|
|
<bibRefCitation author="Green, K. D." journalOrPublisher="Phuket Marine Biological Center Special Publication, Thailand" pageId="0" pageNumber="59726" refId="B6256439" refString="Green, K. D., 2002. Proceedings of the international workshop on the polychaetes of the Andaman Sea. Phuket Marine Biological Center Special Publication, Thailand" title="Proceedings of the international workshop on the polychaetes of the Andaman Sea" year="2002">Green (2002)</bibRefCitation>
|
|
and
|
|
<bibRefCitation author="Magalhaes, W. F." journalOrPublisher="De Gruyter, Berlin, Boston" pageId="0" pageNumber="59726" refId="B6256507" refString="Magalhaes, W. F., Blake, J. A., 2017. Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes. De Gruyter, Berlin, Boston" title="Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes" year="2017">
|
|
<normalizedToken originalValue="Magalhães">Magalhaes</normalizedToken>
|
|
and Blake (2017)
|
|
</bibRefCitation>
|
|
. Molecular data should be incorporated to help verify their phylogenetic relationship in the future.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="59726">
|
|
In this study, the taxonomic status of the genus
|
|
<taxonomicName authorityName="Harmelin" authorityYear="1964" class="Polychaeta" family="Capitellidae" genus="Pseudoleiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudoleiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Pseudoleiocapitella</emphasis>
|
|
</taxonomicName>
|
|
Harmelin, 1964 and
|
|
<taxonomicName authorityName="Fauchald" authorityYear="1972" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides norvegicus" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides norvegicus</emphasis>
|
|
</taxonomicName>
|
|
Fauchald, 1972 was found to be doubtful when reviewing the literature on capitellid species related to
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
. The monospecific genus
|
|
<taxonomicName authorityName="Harmelin" authorityYear="1964" class="Polychaeta" family="Capitellidae" genus="Pseudoleiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudoleiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Pseudoleiocapitella</emphasis>
|
|
</taxonomicName>
|
|
was established by
|
|
<bibRefCitation author="Harmelin, J. G." journalOrPublisher="Recueil des Travaux de la Station Marine d'Endoume" pageId="0" pageNumber="59726" pagination="43 - 105" refId="B6256452" refString="Harmelin, J. G., 1964. Etude de l'endofaune des "mattes" d'herbiers de Posidonia oceanica Delile [Research on the endofauna of Posidonia oceanica Delile mats]. Recueil des Travaux de la Station Marine d'Endoume 35 (51): 43 - 105" title="Etude de l'endofaune des " mattes " d'herbiers de Posidonia oceanica Delile [Research on the endofauna of Posidonia oceanica Delile mats]" volume="35" year="1964">Harmelin (1964)</bibRefCitation>
|
|
for
|
|
<taxonomicName lsidName="P. fauveli" pageId="0" pageNumber="59726" rank="species" species="fauveli">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">P. fauveli</emphasis>
|
|
</taxonomicName>
|
|
(see pp 90-92, Pl.Ⅺ, figs. 1-7 in Harmelin 1964), characterized by the uniramous chaetiger 1, chaetigers 1-10 with only capillaries, chaetigers 11-12 with notopodial capillaries and neuropodial hooks, and the absence of branchiae. The chaetal arrangement of
|
|
<taxonomicName authorityName="Harmelin" authorityYear="1964" class="Polychaeta" family="Capitellidae" genus="Pseudoleiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudoleiocapitella fauveli" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="fauveli">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Pseudoleiocapitella fauveli</emphasis>
|
|
</taxonomicName>
|
|
matches the expanded generic definition of
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
proposed by
|
|
<bibRefCitation author="Magalhaes, W. F." journalOrPublisher="De Gruyter, Berlin, Boston" pageId="0" pageNumber="59726" refId="B6256507" refString="Magalhaes, W. F., Blake, J. A., 2017. Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes. De Gruyter, Berlin, Boston" title="Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes" year="2017">
|
|
<normalizedToken originalValue="Magalhães">Magalhaes</normalizedToken>
|
|
and Blake (2017)
|
|
</bibRefCitation>
|
|
, indicating it might be a
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
species.
|
|
<taxonomicName authorityName="Fauchald" authorityYear="1972" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides norvegicus" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides norvegicus</emphasis>
|
|
</taxonomicName>
|
|
was described by
|
|
<bibRefCitation author="Fauchald, K." journalOrPublisher="Sarsia" pageId="0" pageNumber="59726" pagination="89 - 106" refId="B6256384" refString="Fauchald, K., 1972. Some polychaetous annelids from the deep basins in Sognefjorden, Western Norway. Sarsia 49: 89 - 106" title="Some polychaetous annelids from the deep basins in Sognefjorden, Western Norway" volume="49" year="1972">Fauchald (1972)</bibRefCitation>
|
|
, based on specimens from the deep Sognefjorden off western Norway.
|
|
<bibRefCitation author="Fauchald, K." journalOrPublisher="Sarsia" pageId="0" pageNumber="59726" pagination="89 - 106" refId="B6256384" refString="Fauchald, K., 1972. Some polychaetous annelids from the deep basins in Sognefjorden, Western Norway. Sarsia 49: 89 - 106" title="Some polychaetous annelids from the deep basins in Sognefjorden, Western Norway" volume="49" year="1972">Fauchald (1972)</bibRefCitation>
|
|
assigned this species to the genus
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
, due to the thorax with 12 chaetigers. However,
|
|
<taxonomicName lsidName="L. norvegicus" pageId="0" pageNumber="59726" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. norvegicus</emphasis>
|
|
</taxonomicName>
|
|
has the first two abdominal chaetigers with notopodial capillaries and neuropodial hooks, which did not match the generic diagnosis of
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
. Observed from its chaetal arrangement in the anterior part,
|
|
<taxonomicName lsidName="L. norvegicus" pageId="0" pageNumber="59726" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. norvegicus</emphasis>
|
|
</taxonomicName>
|
|
actually bears 14 instead of 12 thoracic chaetigers, of which the last two thoracic chaetigers are transitional. If so,
|
|
<taxonomicName lsidName="L. norvegicus" pageId="0" pageNumber="59726" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. norvegicus</emphasis>
|
|
</taxonomicName>
|
|
should be a
|
|
<taxonomicName class="Polychaeta" family="Capitellidae" genus="Leiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiocapitella</emphasis>
|
|
</taxonomicName>
|
|
species rather than a
|
|
<taxonomicName authorityName="Augener" authorityYear="1914" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides</emphasis>
|
|
</taxonomicName>
|
|
species. In addition to the number and location of transitional chaetigers, other morphological characters of
|
|
<taxonomicName lsidName="L. norvegicus" pageId="0" pageNumber="59726" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">L. norvegicus</emphasis>
|
|
</taxonomicName>
|
|
have also been found in the members of
|
|
<taxonomicName class="Polychaeta" family="Capitellidae" genus="Leiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiocapitella</emphasis>
|
|
</taxonomicName>
|
|
, such as uniramous chaetiger 1 and the presence of branchiae on posterior abdomen (
|
|
<bibRefCitation author="Green, K. D." journalOrPublisher="Phuket Marine Biological Center Special Publication, Thailand" pageId="0" pageNumber="59726" refId="B6256439" refString="Green, K. D., 2002. Proceedings of the international workshop on the polychaetes of the Andaman Sea. Phuket Marine Biological Center Special Publication, Thailand" title="Proceedings of the international workshop on the polychaetes of the Andaman Sea" year="2002">Green 2002</bibRefCitation>
|
|
,
|
|
<bibRefCitation author="Magalhaes, W. F." journalOrPublisher="De Gruyter, Berlin, Boston" pageId="0" pageNumber="59726" refId="B6256507" refString="Magalhaes, W. F., Blake, J. A., 2017. Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes. De Gruyter, Berlin, Boston" title="Handbook of Zoology Online, a Natural History of the phyla of the animal kingdom Annelida, polychaetes" year="2017">
|
|
<normalizedToken originalValue="Magalhães">Magalhaes</normalizedToken>
|
|
and Blake 2017
|
|
</bibRefCitation>
|
|
). According to the above analysis, the genus
|
|
<taxonomicName authorityName="Harmelin" authorityYear="1964" class="Polychaeta" family="Capitellidae" genus="Pseudoleiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudoleiocapitella" pageId="0" pageNumber="59726" phylum="Annelida" rank="genus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Pseudoleiocapitella</emphasis>
|
|
</taxonomicName>
|
|
Harmelin, 1964 and
|
|
<taxonomicName authorityName="Fauchald" authorityYear="1972" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides norvegicus" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="norvegicus">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides norvegicus</emphasis>
|
|
</taxonomicName>
|
|
Fauchald, 1972 need a revision, and it would be necessary to examine the type materials of
|
|
<taxonomicName authorityName="Harmelin" authorityYear="1964" class="Polychaeta" family="Capitellidae" genus="Pseudoleiocapitella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudoleiocapitella fauveli" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="fauveli">
|
|
<emphasis italics="true" pageId="0" pageNumber="59726">Pseudoleiocapitella fauveli</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName authorityName="Fauchald" authorityYear="1972" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides norvegicus" pageId="0" pageNumber="59726" phylum="Annelida" rank="species" species="norvegicus">
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<emphasis italics="true" pageId="0" pageNumber="59726">Leiochrides norvegicus</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |