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<document id="B5937E3BD4276DDD3AB3CEC2013CEC44" ID-CLB-Dataset="26104" ID-DOI="http://dx.doi.org/10.3897/zookeys.869.34380" ID-GBIF-Dataset="0733a684-7888-4526-9449-dee89fe914f3" ID-PMC="PMC6690876" ID-Pensoft-Pub="1313-2970-869-1" ID-Pensoft-UUID="5E1D7C137E42575296C2A10148C7891D" ID-PubMed="31413658" ID-ZooBank="50D49A54A3864738AE1F393B77EC652C" ModsDocID="1313-2970-869-1" checkinTime="1565056329852" checkinUser="pensoft" docAuthor="Jeong, Man-Ki, Soh, Ho Young &amp; Suh, Hae-Lip" docDate="2019" docId="C9B63C59DB6A57749F75A5A34E5E384C" docLanguage="en" docName="ZooKeys 869: 1-18" docOrigin="ZooKeys 869" docSource="http://dx.doi.org/10.3897/zookeys.869.34380" docTitle="Heteromastus namhaensis Jeong, Soh &amp; Suh, 2019, sp. nov." docType="treatment" docUuid="D41E7B49-B712-42A7-8095-94E906ABB121" docUuidSource="ZooBank" docVersion="7" lastPageNumber="1" masterDocId="677FFFA5FB24FFE1FF94FF87FFFF7104" masterDocTitle="Three new species of Heteromastus (Annelida, Capitellidae) from Korean waters, with genetic evidence based on two gene markers" masterLastPageNumber="18" masterPageNumber="1" pageNumber="1" updateTime="1732801416885" updateUser="ExternalLinkService">
<mods:mods id="1C3B6E51DF2D42F130FFB7439DC7FDCD" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="51348B0A20008867F08804040576ACD4">Three new species of Heteromastus (Annelida, Capitellidae) from Korean waters, with genetic evidence based on two gene markers</mods:title>
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<mods:name id="E0CAE749202BF57D0B36D73942C5B591" type="personal">
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<mods:namePart id="8A7CF25C0AB9D838487F2AC80FECC941">Jeong, Man-Ki</mods:namePart>
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<mods:name id="BCF4D3358096C7CCE7574751410CF3BE" type="personal">
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<mods:namePart id="69C317007F2416EAD720C8653D644230">Soh, Ho Young</mods:namePart>
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<mods:name id="4EAEC02CD6EEA71F6A1B0BF24D750EAC" type="personal">
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<mods:namePart id="B869E3B1D8B1A48B71CE29A590DE6B48">Suh, Hae-Lip</mods:namePart>
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<mods:typeOfResource id="070065212D61C5B4DFE37E948B150D04">text</mods:typeOfResource>
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<mods:title id="E0572D7B2291BFE707BB12EF4E410807">ZooKeys</mods:title>
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<mods:part id="4E5046D128074ACB4E7D00E7F21410EA">
<mods:date id="9C28853478EAA68C51C24EEF73316009">2019</mods:date>
<mods:detail id="E65D902D813021960647C283F881A0AD" type="volume">
<mods:number id="53B3C68893B51F6892BDF5A6F473583C">869</mods:number>
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<mods:url id="68FCF1A1425CA01593ECD579497FEAC9">http://dx.doi.org/10.3897/zookeys.869.34380</mods:url>
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<mods:classification id="D4DCF3008130980AC69C774E5AD94EE5">journal article</mods:classification>
<mods:identifier id="EC41ED7E5E6BC9DD93E47C10BF6BF684" type="DOI">http://dx.doi.org/10.3897/zookeys.869.34380</mods:identifier>
<mods:identifier id="43934C62297222B38073796F89D3ADC2" type="Pensoft-Pub">1313-2970-869-1</mods:identifier>
<mods:identifier id="12793C9FA5195BB68C232330500D770F" type="ZooBank">50D49A54A3864738AE1F393B77EC652C</mods:identifier>
<mods:identifier id="F933D4078B620587523AF7AD8932E927" type="Pensoft-UUID">5E1D7C137E42575296C2A10148C7891D</mods:identifier>
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<treatment id="C9B63C59DB6A57749F75A5A34E5E384C" ID-GBIF-Taxon="158995535" LSID="urn:lsid:zoobank.org:act:D41E7B49-B712-42A7-8095-94E906ABB121" httpUri="http://treatment.plazi.org/id/C9B63C59DB6A57749F75A5A34E5E384C" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Capitellidae" scope_phylum="Annelida">
<subSubSection id="88650EB86670D75F2AD08D9D94F37571" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="5BCE076A120D0DDB993043978B2F58E6" pageId="0" pageNumber="1">
<taxonomicName id="671CC5915D2637C041D6C9992BBFE0FA" ID-CoL="85RF5" LSID="c9b63c59-db6a-5774-9f75-a5a34e5e384c" family="Capitellidae" genus="Heteromastus" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Heteromastus namhaensis" order="Annelida" pageId="0" pageNumber="1" rank="species" species="namhaensis">Heteromastus namhaensis</taxonomicName>
<taxonomicNameLabel id="E75A5EF364F1CFAB93E24EDC89C669DC" pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
<figureCitation id="815599F37B1AABFD1D977E96886ABB3E" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">
Figures 2
<normalizedToken id="DA2D045BBDECAADFE76E5E21967FB3F3" originalValue="A–G">A-G</normalizedToken>
</figureCitation>
,
<figureCitation id="799ADE67BB9F6ABD1D17999F154BA60F" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Heteromastus namhaensis sp. nov. A abdominal hooded hook in lateral view B posterior end in dorsal view (holotype, NA 00155558). Heteromastus gusipoensis sp. nov. C abdominal hooded hook in frontal view D posterior end in dorsal view (holotype, NA 00155561). Heteromastus koreanus sp. nov. E abdominal hooded hook in frontal view F posterior end in dorsal view (holotype, NA 00155565). Abbreviations: ac, anal cirrus; mf, main fang; neu, neuropod; no, notopod; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure5" httpUri="https://binary.pensoft.net/fig/322703" pageId="0" pageNumber="1">5A, B</figureCitation>
,
<figureCitation id="AD531FC182C489C5D47D677848FA9D99" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Methylene green staining patterns of Korean three new species A anterior end of H. namhaensis sp. nov., lateral view (paratype, NA 00155560) B anterior end of H. gusipoensis sp. nov., lateral view (using additional specimens from type locality) C anterior end of H. koreanus sp. nov., lateral view (NA 00065689)." figureDoi="10.3897/zookeys.869.34380.figure6" httpUri="https://binary.pensoft.net/fig/322704" pageId="0" pageNumber="1">6A</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="2911F366AB5CDF41E7360DC68BF5C62A" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="E729E720678FFA5B4BE2BCAE65692444" pageId="0" pageNumber="1">Material examined.</paragraph>
<paragraph id="5E0D71DE45AFCDCB4B22EEB5365E4E9C" pageId="0" pageNumber="1">
<emphasis id="4402230571BB2ECDB04941191ED4DAA4" bold="true" pageId="0" pageNumber="1">Holotype</emphasis>
: MABIKNA00155558, sex uncertain, Cheongsando,
<geoCoordinate id="4A4638E182DBF9C62ABAF9A63A1EBBB9" degrees="34" direction="north" minutes="1.662" orientation="latitude" precision="1" value="34.0277">34°1.662'N</geoCoordinate>
,
<geoCoordinate id="FCB138940C0C501DCCE4430F035C6004" degrees="127" direction="east" minutes="4.272" orientation="longitude" precision="1" value="127.0712">127°4.272'E</geoCoordinate>
, subtidal, sandy mud bottom, 34 m depth, March 2016, coll. Man-Ki Jeong.
<emphasis id="797E5674511498599B987D7F5944F100" bold="true" pageId="0" pageNumber="1">Paratypes</emphasis>
(two specimens): MABIKNA00155560, Yeosu,
<geoCoordinate id="831E088D9DB4CD99DEA4594FC3F94D7C" degrees="34" direction="north" minutes="41.569" orientation="latitude" precision="1" value="34.692818">34°41.569'N</geoCoordinate>
,
<geoCoordinate id="5C96EBAF373DECCB86A02BA543B1DF89" degrees="127" direction="east" minutes="51.848" orientation="longitude" precision="1" value="127.864136">127°51.848'E</geoCoordinate>
, subtidal, sandy mud bottom, 15 m depth, June 2018; MABIK NA00155559, Jejudo,
<geoCoordinate id="E086EA748765E96D2B681E8EDEAE3159" degrees="33" direction="north" minutes="16.699" orientation="latitude" precision="1" value="33.278316">33°16.699'N</geoCoordinate>
,
<geoCoordinate id="FDBD0620147555FDBF7428D9C8DE2865" degrees="127" direction="east" minutes="16.230" orientation="longitude" precision="1" value="127.2705">127°16.230'E</geoCoordinate>
, subtidal, sandy mud bottom, 54 m depth, April 2018. Additional 6 specimens from type locality on SEM stub.
</paragraph>
</subSubSection>
<subSubSection id="A077D61520565CDC042305925B8A1EB9" pageId="0" pageNumber="1" type="diagnosis">
<paragraph id="0AFE3BA7CBBAC938AD21FE08744CE5AE" pageId="0" pageNumber="1">Diagnosis.</paragraph>
<paragraph id="42B522828D9D558E24B602671499BB4A" pageId="0" pageNumber="1">Abdominal hooks with four rows of teeth, three teeth in basal row, three in second and third row, and four to six in superior row. Genital pores present in intersegmental furrows between chaetigers 7-8, 8-9, 9-10, and 10-11. Hemispheric notopodial lobes present on posterior abdominal segments.</paragraph>
</subSubSection>
<subSubSection id="E0438AED6902F3B8F5DEA121F6E29EAF" pageId="0" pageNumber="1" type="description">
<paragraph id="361BC25043CF0BE1AD9644075CFFBF37" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="BA5119098F56263354AE8AE986E0060F" pageId="0" pageNumber="1">Holotype entire, about 60 mm long, 0.9 mm wide for 98 chaetigers (terminal part missing). Paratypes range from 19-41 mm in length, 0.5-0.8 mm width for 41-95 chaetigers. Body thread-like, rounded dorsally, flattened ventrally, widest in anterior thoracic chaetigers, and tapering from abdomen to pygidium. Color brownish yellow in alcohol.</paragraph>
<paragraph id="CEB6EA196F6CA0AC4C66D09D743F8C81" pageId="0" pageNumber="1">
Prostomium conical, with short and hemispherical palpode; nuchal organs not seen, eyespots absent (
<figureCitation id="94BB226458A448E922E95252158AE856" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
). Everted proboscis with numerous small papillae (
<figureCitation id="0CA7F7ED816928F0D93350D7803CBF3D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A</figureCitation>
). Peristomium uni-annulated and slightly longer than first thoracic chaetiger (
<figureCitation id="6FAE8AB677290DF40375655C6F578A81" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
).
</paragraph>
<paragraph id="4C52CC9F78B7DA4BA3F03FF274966D0C" pageId="0" pageNumber="1">
Thorax with 11 chaetigers (
<figureCitation id="289353FBE50FCC2CAB1E5592FAF883B8" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
). Thoracic segments biannulated, with shallow intra- and intersegmental grooves (
<figureCitation id="A40897CB75E8C8CA9D6DD271EDFF5C6D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
). Anterior five thoracic segments slightly expanded (
<figureCitation id="FA86402D0912253DBD84D59AE742CF9D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
). First chaetiger biramous, with three or four bi-limbated capillaries; chaetigers 2-5 with six to 14 capillaries per fascicle in both parapodia; chaetigers 6-11 with five to 12 long-shafted hooded hooks per fascicle (
<figureCitation id="EB1DF13F486EB374C77557B5FBBE1C40" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B, F</figureCitation>
); thoracic hooks with indistinct node on shaft and at least six teeth in three rows above the main fang (
<figureCitation id="A745D65D1F52331E045BDFD659CBE8C5" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2F</figureCitation>
). Notopodia located dorso-laterally, dorsally located in last few thoracic segments; neuropodia located in lateral positions (
<figureCitation id="EFB1A83A927C57EC6F686BDC6D4C0F97" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
). Lateral organs present between noto- and neuropodia of all thoracic chaetigers, nearer to notopodia in chaetigers 5-11; sometimes indistinct on first thoracic chaetigers (
<figureCitation id="02246C0E790218D7CBF431D804E1D49E" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A</figureCitation>
). Genital pores present in intersegmental furrows of between chaetigers 7-8, 8-9, 9-10, and 10-11 (
<figureCitation id="D83B6BAD9646C85B2C98BA6CF81C03C2" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A</figureCitation>
).
</paragraph>
<paragraph id="6D3D446385A761E446231F58EE32135E" pageId="0" pageNumber="1">
Transition between thorax and abdomen distinguished by changes in ultrastructure of chaetae and shape of segment (
<figureCitation id="3748E6AF94E875C06B36D42BCEAE786C" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
); abdominal segments multi-annulated, gradually longer posteriorly, with short-shafted hooded hooks in posterior parapodial lobes; thoracic chaetigers usually bi-annulated, wider than long, with long-shafted hooded hooks in center of segment (
<figureCitation id="111EFC9262B717561212DFFEE89F8E0A" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Fig. 2A, B</figureCitation>
).
</paragraph>
<paragraph id="59018840DA40984E4FA8DD185820CE8A" pageId="0" pageNumber="1">
Abdominal parapodial lobes located in posterior end of each segment, well separated from each other, and gradually developed posteriorly (
<figureCitation id="B5E74FD86DA1FDBC35E0F687A779F98D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">
Fig. 2
<normalizedToken id="1C949B0D8A1F579786578DDDF526B9B8" originalValue="A–D">A-D</normalizedToken>
</figureCitation>
). Abdominal notopodia separated, mid-dorsal on anterior few segments, becoming dorsolateral in following abdominal region, with six to eight hooded hooks per fascicle, having dorso-posteriorly protruded and hemispheric lobes from chaetiger 90 to end of body (
<figureCitation id="56F1E22E41AB1021C0D9667E18828BEE" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">
Figs 2
<normalizedToken id="854506A05469C01E4118E4A673F8CA82" originalValue="A–D">A-D</normalizedToken>
</figureCitation>
,
<figureCitation id="CAF51D87B53C93266BB4CC5B78CF1913" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Heteromastus namhaensis sp. nov. A abdominal hooded hook in lateral view B posterior end in dorsal view (holotype, NA 00155558). Heteromastus gusipoensis sp. nov. C abdominal hooded hook in frontal view D posterior end in dorsal view (holotype, NA 00155561). Heteromastus koreanus sp. nov. E abdominal hooded hook in frontal view F posterior end in dorsal view (holotype, NA 00155565). Abbreviations: ac, anal cirrus; mf, main fang; neu, neuropod; no, notopod; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure5" httpUri="https://binary.pensoft.net/fig/322703" pageId="0" pageNumber="1">5B</figureCitation>
). Abdominal neuropodia well separated, with 10-12 hooded hooks per fascicle, having slightly protruded lobes in posterior abdomen; neuropodial lobes less developed than notopodial lobes (
<figureCitation id="5A85A98C07DC5181AECB0C199FE55DB1" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Figs 2C, D</figureCitation>
,
<figureCitation id="500C4B729CAD4A2180F2B984452F64C3" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Heteromastus namhaensis sp. nov. A abdominal hooded hook in lateral view B posterior end in dorsal view (holotype, NA 00155558). Heteromastus gusipoensis sp. nov. C abdominal hooded hook in frontal view D posterior end in dorsal view (holotype, NA 00155561). Heteromastus koreanus sp. nov. E abdominal hooded hook in frontal view F posterior end in dorsal view (holotype, NA 00155565). Abbreviations: ac, anal cirrus; mf, main fang; neu, neuropod; no, notopod; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure5" httpUri="https://binary.pensoft.net/fig/322703" pageId="0" pageNumber="1">5B</figureCitation>
).
</paragraph>
<paragraph id="48588F9A6D3EE1B0C0894819C46FD5F7" pageId="0" pageNumber="1">
Hooded hooks with main fang extending slightly beyond hoods. Abdominal hooks with distinct node on shaft and four rows of small teeth above main fang; three teeth in basal row, three in second and third row, and four to six in superior row (
<figureCitation id="00B85E5366342EEEBA2A016924EDE363" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Figs 2E, G</figureCitation>
,
<figureCitation id="6590907A54D71CE4B0F01A99E39C829E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Heteromastus namhaensis sp. nov. A abdominal hooded hook in lateral view B posterior end in dorsal view (holotype, NA 00155558). Heteromastus gusipoensis sp. nov. C abdominal hooded hook in frontal view D posterior end in dorsal view (holotype, NA 00155561). Heteromastus koreanus sp. nov. E abdominal hooded hook in frontal view F posterior end in dorsal view (holotype, NA 00155565). Abbreviations: ac, anal cirrus; mf, main fang; neu, neuropod; no, notopod; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure5" httpUri="https://binary.pensoft.net/fig/322703" pageId="0" pageNumber="1">5A</figureCitation>
). Pygidium with digitate anal cirrus (
<figureCitation id="D93A0277409C16CFFA2727BF3F306B20" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Heteromastus namhaensis sp. nov. A anterior end, left lateral view (holotype, NA 00155558) B same, dorsal view C posterior abdominal segments, right lateral view (holotype, NA 00155558) D posterior end, dorsal view (holotype, NA 00155558) E abdominal short-shafted hook, frontal view. F thoracic long-shafted hook, lateral view G abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1">Figs 2D</figureCitation>
,
<figureCitation id="7F36CB27A8DC22E20BCCA9D6ED3899E5" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Heteromastus namhaensis sp. nov. A abdominal hooded hook in lateral view B posterior end in dorsal view (holotype, NA 00155558). Heteromastus gusipoensis sp. nov. C abdominal hooded hook in frontal view D posterior end in dorsal view (holotype, NA 00155561). Heteromastus koreanus sp. nov. E abdominal hooded hook in frontal view F posterior end in dorsal view (holotype, NA 00155565). Abbreviations: ac, anal cirrus; mf, main fang; neu, neuropod; no, notopod; pyg, pygidium." figureDoi="10.3897/zookeys.869.34380.figure5" httpUri="https://binary.pensoft.net/fig/322703" pageId="0" pageNumber="1">5B</figureCitation>
).
</paragraph>
<caption id="0FC5F49EE43C3A4BBBFA5226CCF4DB56" doi="10.3897/zookeys.869.34380.figure2" httpUri="https://binary.pensoft.net/fig/322700" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
<paragraph id="F5725C5900319C9730A4FC025EE75539" pageId="0" pageNumber="1">
Figure 2.
<taxonomicName id="A6A4F524EA219DF20018751CB2DC7904" class="Polychaeta" family="Capitellidae" genus="Heteromastus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Heteromastus namhaensis" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="namhaensis">
<emphasis id="2BD501C863B8FC4791D10349E42698AC" italics="true" pageId="0" pageNumber="1">Heteromastus namhaensis</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="9E592F3ECD694BA1AD61FF58FF12DC17" bold="true" pageId="0" pageNumber="1">A</emphasis>
anterior end, left lateral view (holotype, NA00155558)
<emphasis id="8E879B7143B242F99C2F22633940EC96" bold="true" pageId="0" pageNumber="1">B</emphasis>
same, dorsal view
<emphasis id="515C3A3B1C3AF0C52B27DE99425649D8" bold="true" pageId="0" pageNumber="1">C</emphasis>
posterior abdominal segments, right lateral view (holotype, NA00155558)
<emphasis id="EA84C61E116FDBE5AB297D01228EEAAB" bold="true" pageId="0" pageNumber="1">D</emphasis>
posterior end, dorsal view (holotype, NA00155558)
<emphasis id="4CAB35418D47628F7B193700EBDFA775" bold="true" pageId="0" pageNumber="1">E</emphasis>
abdominal short-shafted hook, frontal view.
<emphasis id="3CB4CDFB84E7727D4A8E8B342B44A5D4" bold="true" pageId="0" pageNumber="1">F</emphasis>
thoracic long-shafted hook, lateral view
<emphasis id="A227B43DD1D1E43BAE4EC3B5840F27DD" bold="true" pageId="0" pageNumber="1">G</emphasis>
abdominal short-shafted hook, lateral view. Abbreviations: ac, anal cirrus; cc, capillary chaetae; Ch, chaetiger; gp, genital pore; hh, hooded hooks; lo, lateral organ; mf, main fang; neu, neuropod; no, notopod; per, peristomium; pro, prostomium; prob, proboscis; pyg, pygidium.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="1DEEF0EA71968A9DFF81CEBAFE3BF002" pageId="0" pageNumber="1" type="methyl green staining pattern">
<paragraph id="004F340E550F4755BEB8CAA4D0C4AAA1" pageId="0" pageNumber="1">Methyl green staining pattern.</paragraph>
<paragraph id="F72FD2F6A80FB5B1F3A9E66AB1040E2C" pageId="0" pageNumber="1">
Prostomium, peristomium and thoracic chaetigers 1-2 not stained (
<figureCitation id="8A2BA199DAD8D91FF1BA0A0EE4C58313" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Methylene green staining patterns of Korean three new species A anterior end of H. namhaensis sp. nov., lateral view (paratype, NA 00155560) B anterior end of H. gusipoensis sp. nov., lateral view (using additional specimens from type locality) C anterior end of H. koreanus sp. nov., lateral view (NA 00065689)." figureDoi="10.3897/zookeys.869.34380.figure6" httpUri="https://binary.pensoft.net/fig/322704" pageId="0" pageNumber="1">Fig. 6A</figureCitation>
). Thoracic chaetigers 3-11 stained blue; chaetigers 3-8 stained dark blue; chaetigers 9-11 stained light blue; post-chaetal region of chaetiger 11 not stained (
<figureCitation id="67EBCA30DB7A50B58FBC984B1975C8F8" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Methylene green staining patterns of Korean three new species A anterior end of H. namhaensis sp. nov., lateral view (paratype, NA 00155560) B anterior end of H. gusipoensis sp. nov., lateral view (using additional specimens from type locality) C anterior end of H. koreanus sp. nov., lateral view (NA 00065689)." figureDoi="10.3897/zookeys.869.34380.figure6" httpUri="https://binary.pensoft.net/fig/322704" pageId="0" pageNumber="1">Fig. 6A</figureCitation>
). Abdominal region without any distinct staining pattern.
</paragraph>
</subSubSection>
<subSubSection id="D4A9A35B7E1D2D1351A84F26B3E5A7DC" pageId="0" pageNumber="1" type="etymology">
<paragraph id="8E701B2280ABB6B8502B0472A61A0783" pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph id="C1D2642333461E2719783D70BECC2CCB" pageId="0" pageNumber="1">The species is named for its wide distribution in Namhae (=Korean name of southern sea of Korea).</paragraph>
</subSubSection>
<subSubSection id="B68F235410D38F9E9406A96AB2E2C056" pageId="0" pageNumber="1" type="distribution">
<paragraph id="B13CF69BE7B71C0AA537BA2AE192E40E" pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph id="E79C7609A9B178E37B39CB8D0FDAEC74" pageId="0" pageNumber="1">
Subtidal areas (15-54 m) near southern part of Korea (
<figureCitation id="5DEE3FA5AFD2D5829FF43BD11EECA29F" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Map of study area with main collecting locations indicated. Abbreviations (district names): AH, Anheung; CS, Cheongsando; GY, Gwangyang; JJ, Jejudo; MA, Muan; SC, Seochun; YG, Yeonggwang; YS, Yeosu." figureDoi="10.3897/zookeys.869.34380.figure1" httpUri="https://binary.pensoft.net/fig/322699" pageId="0" pageNumber="1">Fig. 1</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="D8A3E7151164CA99BF0BADF00417D098" pageId="0" pageNumber="1" type="ecology">
<paragraph id="03EC81381541D9D584E08E5A9287D703" pageId="0" pageNumber="1">Ecology.</paragraph>
<paragraph id="C6C8863FB3CCD0F0C4B0F40CD395D090" pageId="0" pageNumber="1">
<taxonomicName id="AF118A67677707747F600F1F706410BF" class="Polychaeta" family="Capitellidae" genus="Heteromastus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Heteromastus namhaensis" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="namhaensis">
<emphasis id="BDEB91B545551EECE9B8461882F760B3" italics="true" pageId="0" pageNumber="1">Heteromastus namhaensis</emphasis>
</taxonomicName>
was sampled from soft sediments in March of 2016 (10 ind./m2), April of 2018 (40 ind./m2), and June of 2018 (20 ind./m2). The most well-developed individual (having over 100 segments) was obtained in March and eggs in the coelom were 87-94
<normalizedToken id="A2ED40CB8906839757548B83F0DE5DF9" originalValue="μm">μm</normalizedToken>
in diameter. Surface sediment of the station was mainly composed of sandy mud with fragmented shells.
<taxonomicName id="338FF26636FC428A8A2F0D5B6ECB4E44" class="Polychaeta" family="Capitellidae" genus="Leiochrides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leiochrides yokjidoensis" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="yokjidoensis">
<emphasis id="315FA6B291ECEE8AC3896B9B98C8CCC5" italics="true" pageId="0" pageNumber="1">Leiochrides yokjidoensis</emphasis>
</taxonomicName>
Jeong, Wi &amp; Suh, 2017 co-occurred in Jejudo of Korea (
<bibRefCitation id="B95326E4111A792724D5C1B99E952BF2" DOI="https://doi.org/10.3897/zookeys.685.12700" author="Jeong, MK" journalOrPublisher="ZooKeys" pageId="0" pageNumber="1" pagination="91 - 103" refId="B19" refString="Jeong, MK, Wi, JH, Suh, HL, 2017a. A new species of Leiochrides from the Korean subtidal waters with notes on the taxonomic status of the genus Pseudomastus (Annelida, Capitellidae). . ZooKeys 685: 91 - 103" title="A new species of Leiochrides from the Korean subtidal waters with notes on the taxonomic status of the genus Pseudomastus (Annelida, Capitellidae)." url="https://doi.org/10.3897/zookeys.685.12700" volume="685" year="2017 a">Jeong et al. 2017a</bibRefCitation>
;
<figureCitation id="A88E6579D0E2F7D32D2BC4C0A5EC5F6E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Map of study area with main collecting locations indicated. Abbreviations (district names): AH, Anheung; CS, Cheongsando; GY, Gwangyang; JJ, Jejudo; MA, Muan; SC, Seochun; YG, Yeonggwang; YS, Yeosu." figureDoi="10.3897/zookeys.869.34380.figure1" httpUri="https://binary.pensoft.net/fig/322699" pageId="0" pageNumber="1">Fig. 1</figureCitation>
). The salinity range among sampling locations was about 31-32.5 PSU.
</paragraph>
</subSubSection>
<subSubSection id="327A885F70F3CA2396C080D16E0A1744" pageId="0" pageNumber="1" type="remarks">
<paragraph id="D8843761F00ECE95CC35A96642E35740" pageId="0" pageNumber="1">Remarks.</paragraph>
<paragraph id="B0B6F71BCEFCBC234A59F11961CEF023" pageId="0" pageNumber="1">
<taxonomicName id="9ECEE6F5C5E107863367252196B0A610" class="Polychaeta" family="Capitellidae" genus="Heteromastus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Heteromastus namhaensis" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="namhaensis">
<emphasis id="8AA97D6B6703AB6349D5824CD2450F83" italics="true" pageId="0" pageNumber="1">Heteromastus namhaensis</emphasis>
</taxonomicName>
resembles
<taxonomicName id="7D17F26BB0A44917AC9E8FC37363D6E2" lsidName="H. filiformis" pageId="0" pageNumber="1" rank="species" species="filiformis">
<emphasis id="EC837FFC0F0C2126B5B92E47FC6CE722" italics="true" pageId="0" pageNumber="1">H. filiformis</emphasis>
</taxonomicName>
sensu Hutchings &amp; Rainer, 1982 in the absence of distinct eyespots on prostomium, three teeth in basal row above the main fang of abdominal hooks, and the presence of posteriorly extended abdominal notopodial lobes (Table 2). However, they differ in the shape of notopodial lobes in posterior abdomen (hemispheric protrusion in
<taxonomicName id="A8BBF74D08BED1E9DA0F32AA6AA8C82E" lsidName="H. namhaensis" pageId="0" pageNumber="1" rank="species" species="namhaensis">
<emphasis id="2F6B6ECE9C1495A4FEACDA5A2F576469" italics="true" pageId="0" pageNumber="1">H. namhaensis</emphasis>
</taxonomicName>
vs broadly-based and rounded lamellae in
<taxonomicName id="9B415FDD1D93FC2D3D4B428F5B339D0D" lsidName="H. filiformis" pageId="0" pageNumber="1" rank="species" species="filiformis">
<emphasis id="26677DD1C731A602941264E87E980F41" italics="true" pageId="0" pageNumber="1">H. filiformis</emphasis>
</taxonomicName>
sensu Hutchings &amp; Rainer, 1982), the different dental structure of abdominal hooks (Table 2).
<taxonomicName id="268D9858D4AC2172C40FE32A42212D7E" class="Polychaeta" family="Capitellidae" genus="Heteromastus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Heteromastus namhaensis" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="namhaensis">
<emphasis id="685053DD920D7EB1BAE43A42AC9AC26B" italics="true" pageId="0" pageNumber="1">Heteromastus namhaensis</emphasis>
</taxonomicName>
is also easily distinguished from Korean former record of
<taxonomicName id="6F27333707F8C2E7CA7C9378213DF6A8" lsidName="H. filiformis" pageId="0" pageNumber="1" rank="species" species="filiformis">
<emphasis id="3A0E9EF6952773B17FF630EE00E80BBC" italics="true" pageId="0" pageNumber="1">H. filiformis</emphasis>
</taxonomicName>
(
<bibRefCitation id="B8DBE8898E11D8D1EA33A5E45E67CC62" DOI="https://doi.org/10.12651/JSR.2016.5.3.264" author="Choi, HK" journalOrPublisher="Journal of Species Research" pageId="0" pageNumber="1" pagination="264 - 271" refId="B5" refString="Choi, HK, Yoon, SM, 2016. First record of Heteromastusfiliformis (Polychaeta: Capitellidae) from Korean waters, with a taxonomic note on the genus. . Journal of Species Research 5: 264 - 271" title="First record of Heteromastusfiliformis (Polychaeta: Capitellidae) from Korean waters, with a taxonomic note on the genus." url="https://doi.org/10.12651/JSR.2016.5.3.264" volume="5" year="2016">Choi and Yoon 2016</bibRefCitation>
) by the presence of hemispheric abdominal parapodial lobes and the absence of eyespots in
<taxonomicName id="5D439DDDF587DCB7849B016EF5E6A8FC" lsidName="H. namhaensis" pageId="0" pageNumber="1" rank="species" species="namhaensis">
<emphasis id="26754D6C2406F1965D5ED9F6253E4B16" italics="true" pageId="0" pageNumber="1">H. namhaensis</emphasis>
</taxonomicName>
. In particular, the hemispheric notopodial lobe of
<taxonomicName id="30D776630F0A6A29758F650052792CBF" lsidName="H. namhaensis" pageId="0" pageNumber="1" rank="species" species="namhaensis">
<emphasis id="04FD32A2064FF6A9BC6830E40C06C2FB" italics="true" pageId="0" pageNumber="1">H. namhaensis</emphasis>
</taxonomicName>
is a unique feature in the genus.
</paragraph>
<caption id="7BAA7B4AB18991098668BA5D6AB39083" ID-Table-UUID="7BAA7B4AB18991098668BA5D6AB39083" httpUri="http://table.plazi.org/id/7BAA7B4AB18991098668BA5D6AB39083" pageId="0" pageNumber="1">
<paragraph id="84A841821B6B3BAB1C753286CAE4EC70" pageId="0" pageNumber="1">
Table 2. Morphological comparison between
<taxonomicName id="8BBB5EE17ADBA95213C4CE1578ACAD5B" class="Polychaeta" family="Capitellidae" genus="Heteromastus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Heteromastus" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
<emphasis id="1E284171E6FEFE1125A9BC23E88772B5" italics="true" pageId="0" pageNumber="1">Heteromastus</emphasis>
</taxonomicName>
species of this study and their closely related species. A: absent; P: present; Ch: chaetiger.
</paragraph>
</caption>
<paragraph id="F8C4196B1895476F311D0F850C74E31B" pageId="0" pageNumber="1">
<table id="18B31CBF7ACA1C7189EAC137031A03D6" pageId="0" pageNumber="1">
<tr id="3361CF39D1BDFEEECA54087660C13B6C" pageId="0" pageNumber="1">
<td id="919F2C2A3CF42862E3DED0091D1AAFCF" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="A2EBC0C1AB2EA1D548278692D209DFB7" bold="true" pageId="0" pageNumber="1">Species</emphasis>
</td>
<td id="C6D3021A63EEBB633B283584AFE67FC3" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="295EF081A81C9C599FE5BF958FBAFCE3" bold="true" pageId="0" pageNumber="1">Eyespots</emphasis>
</td>
<td id="E86531B5C2DFAC159355414C0FBEFE9F" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="923F700243FB2A05C503EEF705D4590F" bold="true" pageId="0" pageNumber="1">Dental structure of abdominal hooks</emphasis>
</td>
<td id="D6A4FF45CCB005CA867B90F8D1129F6B" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="82DC08D318234881CA7BFF865342C84B" bold="true" pageId="0" pageNumber="1">Notopodial lobes in posterior abdomen</emphasis>
</td>
<td id="2231BF452846A02D8CE13EC59B749480" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="DBA05B26C046DE4B5C641C488A8AA99B" bold="true" pageId="0" pageNumber="1">Methyl green staining pattern</emphasis>
</td>
<td id="65D4E188957B7A85FF0E6EF8FACE910F" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="2A63F578DFE06A856A7B5A5933840CFC" bold="true" pageId="0" pageNumber="1">Habitat (locality)</emphasis>
</td>
</tr>
<tr id="F14C355B330BDFFA88DC363CB18F739E" pageId="0" pageNumber="1">
<td id="ADBEE52DC8A9BDAE83BCFBCE8E06025F" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<taxonomicName id="695C403542083B6562F1CB9C159A91B3" lsidName="H. namhaensis" pageId="0" pageNumber="1" rank="species" species="namhaensis">
<emphasis id="4520E6A3A585D4D38D8C590C0BE1598D" italics="true" pageId="0" pageNumber="1">H. namhaensis</emphasis>
</taxonomicName>
sp. nov.
</td>
<td id="D9D2DE004957AA0218FC9D7086B1335A" colspan="1" pageId="0" pageNumber="1" rowspan="1">A</td>
<td id="6250C388E4326E3CDBD3A4A1A1C9E4D6" colspan="1" pageId="0" pageNumber="1" rowspan="1">4 rows (3/3/3/4-6)</td>
<td id="D80D4F180D7C05DFADDA4F60EAE509CA" colspan="1" pageId="0" pageNumber="1" rowspan="1">Hemispheric notopodial lobes dorso-posteriorly extended</td>
<td id="2537B720B9349819653F88FEF7378677" colspan="1" pageId="0" pageNumber="1" rowspan="1">Ch 3-11 blue, abdomen not stained</td>
<td id="C8047CF2410DC1B038FBEB53277CAEC2" colspan="1" pageId="0" pageNumber="1" rowspan="1">Subtidal, 36 m, sandy mud with shell fragments (Korea)</td>
</tr>
<tr id="CB278EEAED1B18850440B8BEE9C20CB0" pageId="0" pageNumber="1">
<td id="F279827830F4E14182A986793C31F980" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<taxonomicName id="DCE2F2F80E9AAE0827FF2F15BAA01226" lsidName="H. gusipoensis" pageId="0" pageNumber="1" rank="species" species="gusipoensis">
<emphasis id="B4F2A70EC663C8273E357860B9DEFA71" italics="true" pageId="0" pageNumber="1">H. gusipoensis</emphasis>
</taxonomicName>
sp. nov.
</td>
<td id="96B0CE61663CDDDBE93975E881B0E86D" colspan="1" pageId="0" pageNumber="1" rowspan="1">A</td>
<td id="38E8BDFB8402A403F596AE8732D5FA3D" colspan="1" pageId="0" pageNumber="1" rowspan="1">4 rows (3/3/4/2)</td>
<td id="C2855E20C94E46AB91753319A8732CAF" colspan="1" pageId="0" pageNumber="1" rowspan="1">Not extended</td>
<td id="435F235197A177D788C75DCDDA17C200" colspan="1" pageId="0" pageNumber="1" rowspan="1">Ch 3-10 with blue speckles, median part of each segment stained densely</td>
<td id="63A14B9C4AAC00B31D245F88E345098C" colspan="1" pageId="0" pageNumber="1" rowspan="1">Intertidal, 0-1 m, sandy mud (Korea)</td>
</tr>
<tr id="BA22BE8D91A093A8F8A6652EFF703A55" pageId="0" pageNumber="1">
<td id="AA00100800078B95CC82D84CA9EB3B29" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<taxonomicName id="CC37491A88A71F6BB7DA68141A81AFB9" lsidName="H. koreanus" pageId="0" pageNumber="1" rank="species" species="koreanus">
<emphasis id="20812700BF1C292B14735C22EAEB0976" italics="true" pageId="0" pageNumber="1">H. koreanus</emphasis>
</taxonomicName>
sp. nov.
</td>
<td id="C14297E680DC997BDD239AEDCAF5F048" colspan="1" pageId="0" pageNumber="1" rowspan="1">P</td>
<td id="72650152D664F83DA0856383D0D395E1" colspan="1" pageId="0" pageNumber="1" rowspan="1">3 rows (2/3/4)</td>
<td id="95AF097E640918D8CD04DC2B87B9222F" colspan="1" pageId="0" pageNumber="1" rowspan="1">Rounded notopodial lobes posteriorly extended</td>
<td id="BC5F321C1DF7109798FC4C50E4C62F45" colspan="1" pageId="0" pageNumber="1" rowspan="1">Ch 6-11 green, Ch 11 dark, abdomen not stained</td>
<td id="B27089D86368FA8A83F29389DE696B54" colspan="1" pageId="0" pageNumber="1" rowspan="1">Intertidal, estuarine, 0-1 m, sandy mud (Korea)</td>
</tr>
<tr id="03DD0315099F6123E9D8532D237AF03A" pageId="0" pageNumber="1">
<td id="9C2C3895616E8FF93517DE44195EE3BD" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<taxonomicName id="AA4672335577460CF9336FE2ABF86EEC" lsidName="H. filiformis" pageId="0" pageNumber="1" rank="species" species="filiformis">
<emphasis id="9939E0F9E0361EB1E85E50E1EA33D162" italics="true" pageId="0" pageNumber="1">H. filiformis</emphasis>
</taxonomicName>
sensu Hutchings &amp; Rainer, 1982
</td>
<td id="9ADD7491A551B1E436809518BC19E66E" colspan="1" pageId="0" pageNumber="1" rowspan="1">A</td>
<td id="12B25C219C3875DE0EB286B8530CEF1B" colspan="1" pageId="0" pageNumber="1" rowspan="1">
3 rows (3
<normalizedToken id="2EF3CC97FEF8574EFC4E06E26483A743" originalValue="–4/4–5/4–">-4/4-5/4-</normalizedToken>
6)
</td>
<td id="37B61DC6CA932343506C01043B315230" colspan="1" pageId="0" pageNumber="1" rowspan="1">Broadly-based and rounded notopodial lobes posteriorly extended</td>
<td id="6AD20AEDEBAE4950492D2BF12F47531A" colspan="1" pageId="0" pageNumber="1" rowspan="1">Unknown</td>
<td id="4336BD2DDE259B9D3CC2355A188CFCE6" colspan="1" pageId="0" pageNumber="1" rowspan="1">Intertidal (Mediterranean)</td>
</tr>
<tr id="D3905CD5018AFC4F49F317D9420E1FE1" pageId="0" pageNumber="1">
<td id="DC7EE0599197A96620FC130C35FA32D7" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<taxonomicName id="73CF0653CCF479E6CFEC9E503F4B8D6E" lsidName="H. filiformis" pageId="0" pageNumber="1" rank="species" species="filiformis">
<emphasis id="C54545A467DC9E3184C7F637CDEC48FA" italics="true" pageId="0" pageNumber="1">H. filiformis</emphasis>
</taxonomicName>
sensu Choi &amp; Yoon, 2016
</td>
<td id="7005C98D8CEC678220CD7CD13A606B6C" colspan="1" pageId="0" pageNumber="1" rowspan="1">P</td>
<td id="A8157B0223A71FA8226D392518032B0F" colspan="1" pageId="0" pageNumber="1" rowspan="1">3-4 teeth in 3 rows</td>
<td id="F14AA30FBC70C1ED77E05F2341ECE483" colspan="1" pageId="0" pageNumber="1" rowspan="1">Rounded notopodial lobes posteriorly extended</td>
<td id="060409D3F676AD4CD38B708026464EC3" colspan="1" pageId="0" pageNumber="1" rowspan="1">Ch 1 &amp; Ch 3-11</td>
<td id="269F658D3EDAD6BBBFE761D7E9DBCB6F" colspan="1" pageId="0" pageNumber="1" rowspan="1">Intertidal (Korea)</td>
</tr>
<tr id="6F93C9F3E2073CEA469E57C7988BF378" pageId="0" pageNumber="1">
<td id="2FD2DB6F5D8BFA1EDC6D4087A2C5E26F" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<taxonomicName id="5E7241720036F2A390577B501670D2D8" lsidName="H. tohbaiensis" pageId="0" pageNumber="1" rank="species" species="tohbaiensis">
<emphasis id="D86A873E1B76C52C4ACB2AD7F10A3177" italics="true" pageId="0" pageNumber="1">H. tohbaiensis</emphasis>
</taxonomicName>
Yabe &amp; Mawatari, 1998
</td>
<td id="BC0254CB5D8B14BC25805E955C220E7E" colspan="1" pageId="0" pageNumber="1" rowspan="1">P</td>
<td id="30EC723740642F923E34AF78954EA496" colspan="1" pageId="0" pageNumber="1" rowspan="1">Variable (&gt;11)</td>
<td id="F888DDA30FF1A1247A7B3D6DD4C8921E" colspan="1" pageId="0" pageNumber="1" rowspan="1">Not extended</td>
<td id="F50C1241ED4EEE23096BB41208CB257A" colspan="1" pageId="0" pageNumber="1" rowspan="1">Unknown</td>
<td id="6D813D1C4F9558E6A39D3126042B2D3E" colspan="1" pageId="0" pageNumber="1" rowspan="1">Lake, low salinity, fine mud (Japan)</td>
</tr>
</table>
</paragraph>
</subSubSection>
</treatment>
</document>
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