655 lines
100 KiB
XML
655 lines
100 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1174.106624" ID-Pensoft-Pub="1313-2970-1174-1" ID-Pensoft-UUID="6A0281BED069511BBE415F91189013B4" ID-ZooBank="34358AFB8EF741AC9A9F258F13AADF64" ModsDocID="1313-2970-1174-1" checkinTime="1691559572470" checkinUser="pensoft" docAuthor="Lin, Jun-Hui, Garcia-Garza, Maria E., Mou, Jian-Feng & Lin, He-Shan" docDate="2023" docId="A84232821A8A5A5EBC83EDD83CBD7A10" docLanguage="en" docName="ZooKeys 1174: 1-14" docOrigin="ZooKeys 1174" docPubDate="2023-08-08" docSource="http://dx.doi.org/10.3897/zookeys.1174.106624" docTitle="Promastobranchus variabilis Lin & García-Garza & Mou & Lin 2023, sp. nov." docType="treatment" docUuid="B2610B1B-1874-4E73-9D40-C4B509CC913A" docUuidSource="ZooBank" docVersion="2" id="6A0281BED069511BBE415F91189013B4" lastPageNumber="1" masterDocId="6A0281BED069511BBE415F91189013B4" masterDocTitle="Description of a new Promastobranchus species (Annelida, Capitellidae) from Chinese coasts, with molecular evidence for intraspecific variation in the number of thoracic chaetigers" masterLastPageNumber="14" masterPageNumber="1" pageNumber="1" updateTime="1691559873425" updateUser="ExternalLinkService">
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<mods:titleInfo id="521CDA608F42A934EE53E1C081F86D22">
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<mods:title id="F5D0BA152886998180ABEFDFE75FF3FA">Description of a new Promastobranchus species (Annelida, Capitellidae) from Chinese coasts, with molecular evidence for intraspecific variation in the number of thoracic chaetigers</mods:title>
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<mods:name id="5F823439572D167B31555FC0C0F8107C" type="personal">
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<mods:roleTerm id="FDCAE6A27D916BDC4F1527ADF87DB3EA">Author</mods:roleTerm>
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<mods:namePart id="513B7CF17BB7989A80CCF0297C67BB19">Lin, Jun-Hui</mods:namePart>
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<mods:affiliation id="0184D856445FF44A0A881BCFD72E60CC">Third Institute of Oceanography, Ministry of Natural Resources, 178 Daxue Road, Xiamen 361005, China</mods:affiliation>
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<mods:roleTerm id="503F81A0AB50F4A96E2698A66C628D55">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A9924F2B24351393C8253FB372B93611">Garcia-Garza, Maria E.</mods:namePart>
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<mods:affiliation id="C5C65C3F0F14E20E161F3772ACE6A747">Universidad Autonoma de Nuevo Leon, Facultad de Ciencias Biologicas, Laboratorio de Biosistematica, Apartado Postal 5 " F ", San Nicolas de los Garza, Nuevo Leon, Mexico</mods:affiliation>
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</mods:name>
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<mods:name id="6792021CBE6400509FB3C0FD7C7A1389" type="personal">
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<mods:roleTerm id="7586D0F91072E0B84FB2B7EB5E396C7D">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="5F1C8F7F7078AD2377444C2D654263B5">Mou, Jian-Feng</mods:namePart>
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<mods:affiliation id="FBCB53A29F9526AA721E6F89E73BD5A9">Third Institute of Oceanography, Ministry of Natural Resources, 178 Daxue Road, Xiamen 361005, China</mods:affiliation>
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<mods:namePart id="F956FB61D4202457AC84E6C693589292">Lin, He-Shan</mods:namePart>
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<mods:affiliation id="116F49894E15FC0BA104D8EAB015FEC7">Third Institute of Oceanography, Ministry of Natural Resources, 178 Daxue Road, Xiamen 361005, China</mods:affiliation>
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<mods:nameIdentifier id="46B4E692167E22BFEF6EA350AC7FD02F" type="email">linheshan@tio.org.cn</mods:nameIdentifier>
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<mods:title id="53D2D2B6E518593FF083C038C151FCE7">ZooKeys</mods:title>
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<mods:part id="312234192C7738270652E8B313678229">
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<mods:date id="D5CEEF5BB06B5DC14F7E14DF509A0273">2023</mods:date>
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<mods:number id="9CDFF22D5951BF575C7E3D0971F2867C">2023-08-08</mods:number>
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<mods:number id="4602CFF1C627611A90E3CAB06A962980">1174</mods:number>
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<mods:url id="1DCFD32E8A67B35E2F8F45D1B3DE8BDF">http://dx.doi.org/10.3897/zookeys.1174.106624</mods:url>
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<mods:classification id="40F8E2A075989FB264112E5443633246">journal article</mods:classification>
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<mods:identifier id="1924AB5BCEBC5F4CB7CEF1788DD4EC25" type="DOI">http://dx.doi.org/10.3897/zookeys.1174.106624</mods:identifier>
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<subSection id="524F553DE616BB7F44C362FC9F3F3599" pageId="0" pageNumber="1" type="taxonomy">
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<treatment id="A84232821A8A5A5EBC83EDD83CBD7A10" LSID="urn:lsid:zoobank.org:act:B2610B1B-1874-4E73-9D40-C4B509CC913A" httpUri="http://treatment.plazi.org/id/A84232821A8A5A5EBC83EDD83CBD7A10" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection id="D566879C126382F3ACD92183D9C70586" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="B98453E63474D56791E8DBFA61880E8F" pageId="0" pageNumber="1">
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<taxonomicName id="CE3262F9F1595ED193801ABC262466C2" LSID="https://zoobank.org/B2610B1B-1874-4E73-9D40-C4B509CC913A" authority="Lin & García-Garza & Mou & Lin, 2023" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Capitellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis" status="sp. nov.">Promastobranchus variabilis</taxonomicName>
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<taxonomicNameLabel id="139E5A16FE49107240218352F362630C" pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="11A729230A3B49A6FF6FB0E2576003CD" pageId="0" pageNumber="1" type="description">
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<paragraph id="7F2F7CF0D79AF7EDA00EDA2ED68FDBFA" pageId="0" pageNumber="1">
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<figureCitation id="1CEFBB6A037BD4B31BDA0E996F120AF8" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">Figs 2A-F</figureCitation>
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<figureCitation id="89347142DC2290593B4F0E456398DE4F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">, 3A-K</figureCitation>
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<figureCitation id="3E5D586D36986C349A5911832550A31E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM photographs of Promastobranchus variabilis sp. nov., paratype (TIO-BTS-Poly 144) A anterior 13 chaetigers B anterior end, ventro-lateral view C transition between thorax and abdomen, lateral view D genital pore on between chaetigers 11 / 12, lateral view E posterior end showing neuropodia, ventral view F abdominal hooks at chaetiger 16 G ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200 μm (A-E); 20 μm (F); 5 μm (G)." figureDoi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1">, 4A-G</figureCitation>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="EA2FDDD38C76206538A7F0D320339936" pageId="0" pageNumber="1" type="materials_examined">
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||
<paragraph id="F6E4C16D65155498199D1B58EE2DBD82" pageId="0" pageNumber="1">Material examined.</paragraph>
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||
<paragraph id="A8A538E9E8B698EBEF572401EA138BC2" pageId="0" pageNumber="1">
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||
<emphasis id="56FC5FFA029AAF500E0BA7207F08573F" bold="true" italics="true" pageId="0" pageNumber="1">
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||
<typeStatus id="3BA77D1B4662281996AD7796FEFE8EE3">Holotype</typeStatus>
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</emphasis>
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: TIO-BTS-Poly139, complete, Beibu Gulf, sta. S31 (
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||
<geoCoordinate id="0B5514E08E8D434DD06CDECEED2032A9" degrees="19.65" direction="north" orientation="latitude" precision="555" value="19.65">19.65°N</geoCoordinate>
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||
,
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||
<geoCoordinate id="9CF990B6CD3911D3DBA03B16221EBF9D" degrees="107.70" direction="east" orientation="longitude" precision="555" value="107.7">107.70°E</geoCoordinate>
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||
),
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||
<quantity id="F3DB36E5B2DDFB4509C79E21D4DE9D2D" metricMagnitude="1" metricUnit="m" metricValue="6.5" unit="m" value="65.0">65 m</quantity>
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depth, coll. Jun-Hui Lin,
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<date id="BB5646237846E173DC18D81F8C570707" value="2021-05-23">23 May 2021</date>
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||
.
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<materialsCitation id="2CAB428293972957E9A79772083F3862" collectingDate="2021-05-24" collectorName="Jun-Hui Lin" elevation="59" latitude="19.25" location="Beibu Gulf" longLatPrecision="763" longitude="108.1" specimenCount="1" typeStatus="Paratypes">
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||
<emphasis id="96C91B7892CB72ECD73166B4AB2751BB" bold="true" italics="true" pageId="0" pageNumber="1">
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<typeStatus id="8C14CEF095B057420FBC5AB51A2F9CA9">Paratypes</typeStatus>
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</emphasis>
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||
: TIO-BTS-Poly140 •
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<specimenCount id="FBEEAA020BFB9815F3F710D5E4ECE202" type="generic">1 spec.</specimenCount>
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, incomplete, same information as
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<typeStatus id="D3F9A63D81F750D730788ABE78C8164D">holotype</typeStatus>
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. TIO-BTS-Poly141 • 4 specs, all incomplete,
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<location id="96C4B6B899A8696818B629B024563235" LSID="urn:lsid:plazi:treatment:A84232821A8A5A5EBC83EDD83CBD7A10:96C4B6B899A8696818B629B024563235" latitude="19.25" longLatPrecision="763" longitude="108.1" name="Beibu Gulf">Beibu Gulf</location>
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, sta. S42 (
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<geoCoordinate id="A3AC0DE5A0AF468C880B52BEFCE08164" degrees="19.25" direction="north" orientation="latitude" precision="555" value="19.25">19.25°N</geoCoordinate>
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,
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||
<geoCoordinate id="BBFEB8EF79A957A3A9C086AFEDB9699E" degrees="108.10" direction="east" orientation="longitude" precision="555" value="108.1">108.10°E</geoCoordinate>
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),
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<elevation id="72E1E3BDD8CA450ACA3BFD0AFFD7C3B2" metricMagnitude="1" metricUnit="m" metricValue="5.9" unit="m" value="59.0">
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||
<quantity id="269315650A02B9357F9C3E946A0AFBCA" metricMagnitude="1" metricUnit="m" metricValue="5.9" unit="m" value="59.0">59 m</quantity>
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depth
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</elevation>
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, coll.
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<collectorName id="199696F86793F9D2767F3E60E897AA71">Jun-Hui Lin</collectorName>
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,
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<collectingDate id="895801FC06BB6BB295AB437C00F1C01C" value="2021-05-24">24 May 2021</collectingDate>
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</materialsCitation>
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.
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<materialsCitation id="C3B7FF787A8A46DC82ED2357F67D2256" collectingDate="2021-05-24" collectorName="Jun-Hui Lin" elevation="36" latitude="19.25" location="Beibu Gulf" longLatPrecision="763" longitude="108.5" specimenCount="1" typeStatus="paratype">
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TIO-BTS-Poly142 • 3 specs, TIO-BTS-Poly143 • 5 specs and TIO-BTS-Poly144 • 6 specs, all incomplete,
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<location id="A2125F6C52EE4DDB9E1A10B8A72FF5F0" LSID="urn:lsid:plazi:treatment:A84232821A8A5A5EBC83EDD83CBD7A10:A2125F6C52EE4DDB9E1A10B8A72FF5F0" latitude="19.25" longLatPrecision="763" longitude="108.5" name="Beibu Gulf">Beibu Gulf</location>
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, sta. S44 (
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<geoCoordinate id="8A6558DF5EEEBB6383F12AF594620BE4" degrees="19.25" direction="north" orientation="latitude" precision="555" value="19.25">19.25°N</geoCoordinate>
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,
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<geoCoordinate id="06B7A502C7E96EC1C493C452D5AADB16" degrees="108.50" direction="east" orientation="longitude" precision="555" value="108.5">108.50°E</geoCoordinate>
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||
),
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||
<elevation id="74A7FE0F598373EF8256C2A2F138BD7E" metricMagnitude="1" metricUnit="m" metricValue="3.6" unit="m" value="36.0">
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||
<quantity id="1AF16F64B8CC8611963639D279B7FFD9" metricMagnitude="1" metricUnit="m" metricValue="3.6" unit="m" value="36.0">36 m</quantity>
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depth
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</elevation>
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, coll.
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<collectorName id="3E7268BB54142098FFB2234980EE6C46">Jun-Hui Lin</collectorName>
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,
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<collectingDate id="8CBE5AE0F0E805557D3BF09250F64835" value="2021-05-24">24 May 2021</collectingDate>
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||
</materialsCitation>
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||
.
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<materialsCitation id="0C47253E4E45D093D2904EA5609FB9C6" collectingDate="2021-05-26" collectorName="Jun-Hui Lin" elevation="15" latitude="18.85" location="Beibu Gulf" longLatPrecision="764" longitude="108.5" specimenCount="1" typeStatus="paratype">
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TIO-BTS-Poly145 • 4 specs, TIO-BTS-Poly146 • 3 specs and TIO-BTS-Poly147 •
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<specimenCount id="3ABE005C0F407D99989C647F0C9CAFD8" type="generic">1 spec.</specimenCount>
|
||
, all incomplete,
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||
<location id="3E2292093BDC4BCFDE2EE7B37C21C3A0" LSID="urn:lsid:plazi:treatment:A84232821A8A5A5EBC83EDD83CBD7A10:3E2292093BDC4BCFDE2EE7B37C21C3A0" latitude="18.85" longLatPrecision="764" longitude="108.5" name="Beibu Gulf">Beibu Gulf</location>
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, sta. S51 (
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<geoCoordinate id="8ED21E9C9FE35CDF819F65D89F98A153" degrees="18.85" direction="north" orientation="latitude" precision="555" value="18.85">18.85°N</geoCoordinate>
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||
,
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<geoCoordinate id="3150BE30E5D5A5048DA09643D59E5538" degrees="108.50" direction="east" orientation="longitude" precision="555" value="108.5">108.50°E</geoCoordinate>
|
||
),
|
||
<elevation id="E57BA10CFED74AF89A3937F397F6AE58" metricMagnitude="1" metricUnit="m" metricValue="1.5" unit="m" value="15.0">
|
||
<quantity id="F391DC1247796C50565743A0CCDEEA42" metricMagnitude="1" metricUnit="m" metricValue="1.5" unit="m" value="15.0">15 m</quantity>
|
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depth
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||
</elevation>
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||
, coll.
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||
<collectorName id="FF6B50643F098727FC966C4F60D4C2A1">Jun-Hui Lin</collectorName>
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,
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<collectingDate id="49B20A24DE09304A17CD69FAEC65A77B" value="2021-05-26">26 May 2021</collectingDate>
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</materialsCitation>
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.
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<materialsCitation id="1CF5C0CE0720D58F9A6E1F60719A25EB" collectingDate="2022-11-27" collectorName="You-Ling Ye" elevation="55" latitude="20.456" location="Beibu Gulf" longLatPrecision="523" longitude="108.5" specimenCount="1" typeStatus="paratype">
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TIO-BTS-Poly148 •
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<specimenCount id="74B8076DC3AA81D71B5A59786539F74D" type="generic">1 spec.</specimenCount>
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, incomplete (posterior fragment with pygidium),
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<location id="4B1AD0EF41DBF24C4371FC4B727E8FCC" LSID="urn:lsid:plazi:treatment:A84232821A8A5A5EBC83EDD83CBD7A10:4B1AD0EF41DBF24C4371FC4B727E8FCC" latitude="20.456" longLatPrecision="523" longitude="108.5" name="Beibu Gulf">Beibu Gulf</location>
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, sta. S14 (
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<geoCoordinate id="1474564E221838AAE0409B1CB7C06F25" degrees="20.456" direction="north" orientation="latitude" precision="55" value="20.456">20.456°N</geoCoordinate>
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,
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<geoCoordinate id="78BE27FC18600FA9DEE705E2D8B2A9AD" degrees="108.50" direction="east" orientation="longitude" precision="555" value="108.5">108.50°E</geoCoordinate>
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),
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<elevation id="A652D0B02E42C1FF999D45969F55C141" metricMagnitude="1" metricUnit="m" metricValue="5.5" unit="m" value="55.0">
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<quantity id="BC7ABE37D322740F0DCE8A68452263AC" metricMagnitude="1" metricUnit="m" metricValue="5.5" unit="m" value="55.0">55 m</quantity>
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depth
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</elevation>
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, coll.
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<collectorName id="8E1067C6C4334EE8106E9893A27BFDAD">You-Ling Ye</collectorName>
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,
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<collectingDate id="D9DB539448291A9D147EDF05B7314AB2" value="2022-11-27">27 Nov 2022</collectingDate>
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</materialsCitation>
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.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="04A1DE6ABC43A1A84331EEDEF3A6C158" pageId="0" pageNumber="1" type="description">
|
||
<paragraph id="5E99670AB5EED802592349C49E53E577" pageId="0" pageNumber="1">Description.</paragraph>
|
||
<paragraph id="FAAA176B7D619AE2F6DB0EF0D4DCB731" pageId="0" pageNumber="1">
|
||
Holotype complete, but broken into two fragments. Anterior fragment heavily coiled (Fig.
|
||
<figureCitation id="DA9E419BC93430E50989730AC0C33BD4" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A</figureCitation>
|
||
), measuring 35.99 mm long by 1.27 mm wide (at chaetiger 15) for 71 chaetigers; posterior fragment measuring 10.69 mm long for 35 chaetigers. Paratypes incomplete, ranging from 2.68-19.12 mm long, 0.45-1.52 mm wide for 15-34 chaetigers. Body nearly cylindrical, widest in anterior abdomen. Color in alcohol tan (Fig.
|
||
<figureCitation id="6BEEEE248ECFD290CD210BC54485191F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3C</figureCitation>
|
||
). Nuchal organ not observed.
|
||
</paragraph>
|
||
<paragraph id="D38F821FEA657E2E67D9FB55E1B740B3" pageId="0" pageNumber="1">
|
||
Prostomium rounded without palpode, partially concealed by peristomium (Figs
|
||
<figureCitation id="F93650233D3B069C72DBE770536495D3" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A, B</figureCitation>
|
||
,
|
||
<figureCitation id="BB3496FB486ADFCB01D54AE58C764937" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A-C</figureCitation>
|
||
); eyespots present on lateral sides of prostomium when dissected (obviously seen in some specimens as shown in Fig.
|
||
<figureCitation id="EF6C2B46D79D0FCA6A90CEFB2B4C8F08" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3D</figureCitation>
|
||
). Proboscis retracted in holotype (Fig.
|
||
<figureCitation id="38F5CB5EC478D7B264BE0028BCE00366" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A-C</figureCitation>
|
||
), with numerous minute papillae. Peristomium achaetous, wider than long, longer than chaetiger 1 (Figs
|
||
<figureCitation id="4562E72DB8BB1BB919A1DFDB5B0889E9" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A</figureCitation>
|
||
,
|
||
<figureCitation id="B7CB77CB1A3B4E47623E8B5E4AAEB517" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A</figureCitation>
|
||
). Intersegmental groove distinct between peristomium and chaetiger 1 (Figs
|
||
<figureCitation id="E3155D0FF944A5E5C2346E0A4029CABF" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A, B</figureCitation>
|
||
,
|
||
<figureCitation id="780F9976AF18B240A4833B61D8F94A9E" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3B</figureCitation>
|
||
,
|
||
<figureCitation id="775CAEF21777F8B2FEC43BB9AB9774E0" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM photographs of Promastobranchus variabilis sp. nov., paratype (TIO-BTS-Poly 144) A anterior 13 chaetigers B anterior end, ventro-lateral view C transition between thorax and abdomen, lateral view D genital pore on between chaetigers 11 / 12, lateral view E posterior end showing neuropodia, ventral view F abdominal hooks at chaetiger 16 G ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200 μm (A-E); 20 μm (F); 5 μm (G)." figureDoi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1">4A, B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="61169F4721663F74947553B41E03C7E8" doi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
|
||
<paragraph id="0A4E5199F5841D0AC6994C8F0720AE40" pageId="0" pageNumber="1">
|
||
<emphasis id="58070D9C9170A4C065E7CADEE0012165" bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
|
||
<taxonomicName id="9F61592BAAC14493E1F0580EC482909B" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis">
|
||
<emphasis id="70BC49EF2EC8727FB10F77623926532C" italics="true" pageId="0" pageNumber="1">Promastobranchus variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., holotype
|
||
<emphasis id="58A9449C930886458F53DE09D6EBD716" bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
thorax and anterior abdomen, lateral view
|
||
<emphasis id="ADCF3E9E62824B26E288BD2EE8AB4848" bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
anterior end, ventro-lateral view
|
||
<emphasis id="D2D0B405B01E05732DA7B9E325077806" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
chaetigers 9-16, lateral view
|
||
<emphasis id="5F32084F94187D0419004B5C19BEA004" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
middle-posterior abdomen, dorso-lateral view
|
||
<emphasis id="F508C847CDCA8C0C4A2848B55718D492" bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
posterior end with anal cirri, ventral view
|
||
<emphasis id="4AEF9A8AA0E75BBBA2E9AE47BDAAA5AB" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
abdominal hooded hook of chaetiger 70. Shading on
|
||
<emphasis id="15DE8A23C6A92CDEB77EE47BFDC99015" bold="true" pageId="0" pageNumber="1">A, C-E</emphasis>
|
||
indicates methyl green stain. Scale bars: 1 mm (
|
||
<emphasis id="6B726795B4C6C4B5B54D6898AC1867E9" bold="true" pageId="0" pageNumber="1">A-E</emphasis>
|
||
); 20
|
||
<normalizedToken id="8E0A53A07F391CBC96928670116D6379" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="E0A566FE3914AA6C12BE864C9FB2FE0E" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="8E402FA69A0A55143F5499D8C86CCD71" doi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1" start="Figure 3" startId="F3">
|
||
<paragraph id="7C1494248E1ABDF227F026F087E12280" pageId="0" pageNumber="1">
|
||
<emphasis id="A57A8A9FFEDFF819C47B9F15B4E1A99A" bold="true" pageId="0" pageNumber="1">Figure 3.</emphasis>
|
||
Light micrographs of
|
||
<taxonomicName id="44EF405F03C92F05EBD0DB47B12297EB" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis">
|
||
<emphasis id="1E5A806BFF9A0B44F6A4EC8C346D7244" italics="true" pageId="0" pageNumber="1">Promastobranchus variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., holotype (
|
||
<emphasis id="893DBFB9C1F5516AE8939214B5869B10" bold="true" pageId="0" pageNumber="1">A-C, E-K</emphasis>
|
||
) and paratype (
|
||
<emphasis id="33033A10DFA09BB87622F03088C2658D" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
)
|
||
<emphasis id="72BBA1255C73B6604851E7985A62B278" bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
anterior fragment showing MGSP
|
||
<emphasis id="62BA1C8ECEA4059FFA1727B9F837D486" bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
anterior thorax with areolated epithelium, ventro-lateral view
|
||
<emphasis id="A1C7327560E3CF5AF636B163D39BDD3C" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
anterior end, lateral view
|
||
<emphasis id="E606F30D1AC2BB4DC0EBFC9818B98995" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
anterior end showing eyespots, dorsal view
|
||
<emphasis id="C05392348EC2605D3383D5FAC32871ED" bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
transition between thorax and abdomen, lateral view
|
||
<emphasis id="9CBB8FA9C3B5FB429715784CE739EA63" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
middle-posterior abdomen, dorso-lateral view
|
||
<emphasis id="380178706C7BFEEE2AF6B4DA38889956" bold="true" pageId="0" pageNumber="1">G</emphasis>
|
||
posterior abdomen, dorsal view
|
||
<emphasis id="15513E5226450B74EAAAD3B88FBA29D0" bold="true" pageId="0" pageNumber="1">H</emphasis>
|
||
posterior abdomen, ventral view
|
||
<emphasis id="FA8E1C9182E9FC5A565B3320D26DA7E9" bold="true" pageId="0" pageNumber="1">I</emphasis>
|
||
posterior end, end view (anal cirri have been outlined with black lines)
|
||
<emphasis id="1CEA033719F12B7C9826937929CB0570" bold="true" pageId="0" pageNumber="1">J</emphasis>
|
||
hooded hooks at chaetiger 70, lateral view
|
||
<emphasis id="72AA8CA0B86ABA0A9FC56BBFE540FD81" bold="true" pageId="0" pageNumber="1">K</emphasis>
|
||
hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (
|
||
<emphasis id="924593200CAAAD42B5609854C04D0DBE" bold="true" pageId="0" pageNumber="1">A, B, E-H</emphasis>
|
||
); 0.5 mm (
|
||
<emphasis id="A24896EAD886F0D4938A347283718457" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
); 0.2 mm (
|
||
<emphasis id="20A7469BC9ABDD3A4FBF74D42199B21F" bold="true" pageId="0" pageNumber="1">D, I</emphasis>
|
||
); 50
|
||
<normalizedToken id="CB21A84D7FAAF767EC64E3908A61D8B1" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="B364A706952BB45337E4E83E84A52848" bold="true" pageId="0" pageNumber="1">J</emphasis>
|
||
); 10
|
||
<normalizedToken id="58C7783A2CDDD76D6EEA5D1CF794C5B1" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="C7BA8922D858A31A5297990034EA89A1" bold="true" pageId="0" pageNumber="1">K</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="555C8511A03D04160AC52541D22B9189" doi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1" start="Figure 4" startId="F4">
|
||
<paragraph id="803537478E813B435F5528A2E8B0DF55" pageId="0" pageNumber="1">
|
||
<emphasis id="D7DEB78A2E45B5DE8AB1866A33661C6E" bold="true" pageId="0" pageNumber="1">Figure 4.</emphasis>
|
||
SEM photographs of
|
||
<taxonomicName id="84890A6C63CBBB45AFE543279E3FC580" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis">
|
||
<emphasis id="36660D8EBF16EFA7FC73756259105A92" italics="true" pageId="0" pageNumber="1">Promastobranchus variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., paratype (TIO-BTS-Poly144)
|
||
<emphasis id="6E49D145928415CDDBB60C6F3763F390" bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
anterior 13 chaetigers
|
||
<emphasis id="C3A2443A1D13FED7DA8B50C77124954B" bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
anterior end, ventro-lateral view
|
||
<emphasis id="75FF6E2A992CFC9DCD253CFF3FA8A0C7" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
transition between thorax and abdomen, lateral view
|
||
<emphasis id="C1042274C322FC6CF81252B54CBE4EED" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
genital pore on between chaetigers 11/12, lateral view
|
||
<emphasis id="05126FF8F5987996BACAB3B64CC2BB95" bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
posterior end showing neuropodia, ventral view
|
||
<emphasis id="0FB7690F2F850F83DE0DD514BBB02D4E" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
abdominal hooks at chaetiger 16
|
||
<emphasis id="E02AE639861274D9FF586D79965A9853" bold="true" pageId="0" pageNumber="1">G</emphasis>
|
||
ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200
|
||
<normalizedToken id="B9AE479BE3F0B49A7CF95835DF56AF85" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="0DC4A430B329D60F740327979650084B" bold="true" pageId="0" pageNumber="1">A-E</emphasis>
|
||
); 20
|
||
<normalizedToken id="1C359C672B475018375415CD65C91E8C" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="0991D048D712222805D1379AF066BCA6" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
); 5
|
||
<normalizedToken id="EC156D0054C4106886C2B25DBA22B460" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="AF7AD02D5080C09199EF10EEF6DBAB9B" bold="true" pageId="0" pageNumber="1">G</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="FE9CD46FC3D2533F2AC11FDC4992D02C" pageId="0" pageNumber="1">
|
||
Thorax with 11 chaetigers (Fig.
|
||
<figureCitation id="5BBF8F7E07849C967BF498B56FE51FB7" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A</figureCitation>
|
||
) in holotype, first chaetiger biramous (Figs
|
||
<figureCitation id="741A3CE9B0FE5CB997A82496D0F743E4" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A, B</figureCitation>
|
||
,
|
||
<figureCitation id="B1C9FF166A50FE3D72BF720A009C3E0B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3B</figureCitation>
|
||
). Thoracic segments bi-annulated, wider than long, with epithelium areolated from peristomium to chaetiger 7, faintly areolated on chaetiger 8, and smooth on following segments (Figs
|
||
<figureCitation id="36A47BC90E7736740D9275FA402CE95C" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A, B</figureCitation>
|
||
,
|
||
<figureCitation id="7D578A18C74B51B905A177CAE3E4E960" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3B</figureCitation>
|
||
). Chaetigers 1-11 with only capillaries in both rami (Figs
|
||
<figureCitation id="13F2B6C40D28C07AD3F4D98306A8F2A2" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A</figureCitation>
|
||
,
|
||
<figureCitation id="5E545DF575EA9DE5E35AEB6C97428395" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A</figureCitation>
|
||
), 18-30 per fascicle in notopodia and 20-30 per fascicle in neuropodia. Notopodia inserted dorso-laterally, and neuropodia ventro-lateral. Chaetal fascicles inserted just near midline of thoracic segments (Figs
|
||
<figureCitation id="F2181BE4B5ED557440A80081537A1401" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A-C</figureCitation>
|
||
,
|
||
<figureCitation id="E8F55FEF130040CBE69D6787B69D7998" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3B</figureCitation>
|
||
). Lateral organs located between noto- and neuropodia at intrasegmental grooves, closer to notopodia in thorax and anterior abdomen, as small pores (Figs
|
||
<figureCitation id="79BB0017CE9713918E2EE2D33A52C073" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A</figureCitation>
|
||
,
|
||
<figureCitation id="4348C4FAB9A82F3E7B3FB6F289D3FE9E" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3B</figureCitation>
|
||
). Genital pores present on intersegmental grooves of between chaetigers 9/10, 10/11, 11/12, and 12/13 in holotype.
|
||
</paragraph>
|
||
<paragraph id="F83D08A939F78508F5186EBB70E2B9E7" pageId="0" pageNumber="1">
|
||
Transition between thorax and abdomen marked by chaetal change (Figs
|
||
<figureCitation id="8536AD0A85C1806EF921019461204FA9" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A, C</figureCitation>
|
||
,
|
||
<figureCitation id="5ED8E09BC00991063DAA1EDB618D6E3F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3E</figureCitation>
|
||
,
|
||
<figureCitation id="5FFB62BDECFC4E84C9CEFFCE1D5F184A" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM photographs of Promastobranchus variabilis sp. nov., paratype (TIO-BTS-Poly 144) A anterior 13 chaetigers B anterior end, ventro-lateral view C transition between thorax and abdomen, lateral view D genital pore on between chaetigers 11 / 12, lateral view E posterior end showing neuropodia, ventral view F abdominal hooks at chaetiger 16 G ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200 μm (A-E); 20 μm (F); 5 μm (G)." figureDoi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1">4C, D</figureCitation>
|
||
). Abdominal segments longer and wider than posterior thoracic chaetigers in anterior abdomen (Fig.
|
||
<figureCitation id="83B23AE76B2BDE343EB647559074DA16" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A, E</figureCitation>
|
||
), tapering gradually towards pygidium (Fig.
|
||
<figureCitation id="D211206CBB8535456DCB258F8116D1A8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3G, H</figureCitation>
|
||
). Parapodial lobes reduced in anterior abdomen (Fig.
|
||
<figureCitation id="09DE22A1E76B0FB4FEA02B0E8FCAEA50" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A, E</figureCitation>
|
||
), well separated. Neuropodial tori pad protruded above body surface from middle-posterior abdomen (Fig.
|
||
<figureCitation id="EC917BA2C133F7AEB69AF60B275F34D0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3H</figureCitation>
|
||
). Abdominal chaetigers transitional with notopodial capillaries and neuropodial hooks throughout (Figs
|
||
<figureCitation id="955AD9FD90EC85AA6BA32A1A00879563" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2C-E</figureCitation>
|
||
,
|
||
<figureCitation id="EF05D7F47C5915A5CA74F1133D9E1943" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3G, H</figureCitation>
|
||
), with 15-20 notopodial capillaries and 60-70 neuropodial hooks in anterior abdomen, decreasing to 8-10 capillaries and 30-40 hooks in posterior end. In anterior abdomen, notopodial lobes located dorso-laterally and neuropodial lobes ventro-lateral (Figs
|
||
<figureCitation id="2FF9C9391E558A41E03C9A435C6C256C" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2C</figureCitation>
|
||
,
|
||
<figureCitation id="3EAD823C4F255A9EC6B1CB135D0F58CA" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3E</figureCitation>
|
||
). From middle abdomen, notopodial lobes lateral and neuropodial lobes ventral (Figs
|
||
<figureCitation id="04463E731464143DE8D51ABC86546C05" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2D, E</figureCitation>
|
||
,
|
||
<figureCitation id="FE3F553F0C94AE4A15F0E0B621259194" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A, H</figureCitation>
|
||
). Chaetal fascicles positioned posterior to midsegment in anterior abdomen (Fig.
|
||
<figureCitation id="D358FF516F828809FF9F73F55DE4D8E0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3E</figureCitation>
|
||
), and near posterior edge of segment toward the pygidium (Fig.
|
||
<figureCitation id="4B1408ACE9F9B052CEE5172A57C4DF8A" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3F</figureCitation>
|
||
). In the far posterior abdomen, neuropodial lobes close to each other with a small gap (Figs
|
||
<figureCitation id="CA9DEDA3307E205133A05492D38AAC25" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2E</figureCitation>
|
||
,
|
||
<figureCitation id="64CA8B892218E805B0E19A0CE842E5F7" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3H</figureCitation>
|
||
,
|
||
<figureCitation id="9E963FD7B94BE717EFF27C8739CBBD94" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM photographs of Promastobranchus variabilis sp. nov., paratype (TIO-BTS-Poly 144) A anterior 13 chaetigers B anterior end, ventro-lateral view C transition between thorax and abdomen, lateral view D genital pore on between chaetigers 11 / 12, lateral view E posterior end showing neuropodia, ventral view F abdominal hooks at chaetiger 16 G ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200 μm (A-E); 20 μm (F); 5 μm (G)." figureDoi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1">4E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="445C0B02D6D8911A931427F5CE4AC267" pageId="0" pageNumber="1">
|
||
Hooded hooks with angled node, evident constriction, developed shoulder, posterior shaft longer than anterior one, attenuated to terminal end (Figs
|
||
<figureCitation id="0F890E5A26E068515840275AD0EF916F" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2F</figureCitation>
|
||
,
|
||
<figureCitation id="67B08693FE854E6F5B79DEABC58CC1D6" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3J</figureCitation>
|
||
). Hood with dentate distal edge (Figs
|
||
<figureCitation id="3D2636DB1521870FEF6BC684C9F9B420" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3K</figureCitation>
|
||
,
|
||
<figureCitation id="D69412A469A94BC9D279B7FA833EF115" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM photographs of Promastobranchus variabilis sp. nov., paratype (TIO-BTS-Poly 144) A anterior 13 chaetigers B anterior end, ventro-lateral view C transition between thorax and abdomen, lateral view D genital pore on between chaetigers 11 / 12, lateral view E posterior end showing neuropodia, ventral view F abdominal hooks at chaetiger 16 G ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200 μm (A-E); 20 μm (F); 5 μm (G)." figureDoi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1">4F, G</figureCitation>
|
||
), slightly longer than wide (Figs
|
||
<figureCitation id="6E21D67579E41E1B7D685CFD3DF695A9" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2F</figureCitation>
|
||
,
|
||
<figureCitation id="A62E2A7E2E78979EE848282A9A79E180" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3J</figureCitation>
|
||
). Hooded hooks (Fig.
|
||
<figureCitation id="30BCDBB48406552769560CE4D6A25DD9" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM photographs of Promastobranchus variabilis sp. nov., paratype (TIO-BTS-Poly 144) A anterior 13 chaetigers B anterior end, ventro-lateral view C transition between thorax and abdomen, lateral view D genital pore on between chaetigers 11 / 12, lateral view E posterior end showing neuropodia, ventral view F abdominal hooks at chaetiger 16 G ultrastructure of hooks. Abbreviations: cc, capillary chaetae; gp, genital pore; hh, hooded hook; mf, main fang; neu, neuropodia; per, peristomium. Scale bars: 200 μm (A-E); 20 μm (F); 5 μm (G)." figureDoi="10.3897/zookeys.1174.106624.figure4" httpUri="https://binary.pensoft.net/fig/889729" pageId="0" pageNumber="1">4G</figureCitation>
|
||
) with three rows of teeth above main fang: four teeth in basal row, three teeth in middle row, two smaller teeth in apical row. Main fang subtriangular, longer than wide.
|
||
</paragraph>
|
||
<paragraph id="7FECB2AB06CEBDE140ED8F2168633AF2" pageId="0" pageNumber="1">
|
||
No branchiae observed in abdomen. Pygidium with two digitate anal cirri on ventral side (Figs
|
||
<figureCitation id="F94E718AAB94D377FCC3A850255C723F" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2E</figureCitation>
|
||
,
|
||
<figureCitation id="F0D78CB56DC4ECD21C066D24A533F3F9" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3I</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="A3B5441E6009391645235648E571A6E6" pageId="0" pageNumber="1">
|
||
Methyl green staining pattern (Figs
|
||
<figureCitation id="8666DD4A89D82CCFED398C3B7703495A" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Promastobranchus variabilis sp. nov., holotype A thorax and anterior abdomen, lateral view B anterior end, ventro-lateral view C chaetigers 9 - 16, lateral view D middle-posterior abdomen, dorso-lateral view E posterior end with anal cirri, ventral view F abdominal hooded hook of chaetiger 70. Shading on A, C-E indicates methyl green stain. Scale bars: 1 mm (A-E); 20 μm (F)." figureDoi="10.3897/zookeys.1174.106624.figure2" httpUri="https://binary.pensoft.net/fig/889727" pageId="0" pageNumber="1">2A, C, D</figureCitation>
|
||
,
|
||
<figureCitation id="7CBDE08501A1878788859CD6A6BD52D7" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Light micrographs of Promastobranchus variabilis sp. nov., holotype (A-C, E-K) and paratype (D) A anterior fragment showing MGSP B anterior thorax with areolated epithelium, ventro-lateral view C anterior end, lateral view D anterior end showing eyespots, dorsal view E transition between thorax and abdomen, lateral view F middle-posterior abdomen, dorso-lateral view G posterior abdomen, dorsal view H posterior abdomen, ventral view I posterior end, end view (anal cirri have been outlined with black lines) J hooded hooks at chaetiger 70, lateral view K hooded hooks, frontal view. Abbreviations: cc, capillary chaetae; ch, chaetiger; es, eyespot; hh, hooded hook; lo, lateral organ; neu, neuropodia; no, notopodia; per, peristomium; pro, prostomium. Scale bars: 1 mm (A, B, E-H); 0.5 mm (C); 0.2 mm (D, I); 50 μm (J); 10 μm (K)." figureDoi="10.3897/zookeys.1174.106624.figure3" httpUri="https://binary.pensoft.net/fig/889728" pageId="0" pageNumber="1">3A, E-H</figureCitation>
|
||
). Body stained with pale green and small dark spots of stain scattered from peristomium to prechaetal part of chaetiger 9. Body stained dark blue in dorsum of from postchaetal part of chaetiger 9 to chaetiger 20, excluding intra- and intersegmental grooves and parapodial lobes, extending to dorsal sides of neuropodia. Four pairs of genital pores (between chaetigers 9-13) stained dark blue in holotype. From chaetiger 21, each segment has a dorsal transverse band of dark stain located on between notopodial tori, as well as stain around noto- and neuropodial tori. In far posterior abdomen, dorsum stained dark blue, reaching dorsal side of neuropodial tori, interrupted by intersegmental groove.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="FDC065C930A9742D3A5D8F3D2378CDCB" pageId="0" pageNumber="1" type="sequences">
|
||
<paragraph id="B883B05D12BD6305826E61449D9DC153" pageId="0" pageNumber="1">Sequences.</paragraph>
|
||
<paragraph id="0A76922B9146A0159459977DBD432AFB" pageId="0" pageNumber="1">
|
||
The amplification of the COI gene failed for all specimens. In total, 11 partial sequences of 16S, 14 partial sequences of 18S, 13 partial sequences of 28S, and 14 partial sequences of H3 were successfully obtained from 14 specimens with 9-13 thoracic chaetigers (Table
|
||
<tableCitation id="7AC2524BCE60553ADDF4AF7F9534B8E5" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Information on the sampling and body size for the examined specimens of Promastobranchus variabilis sp. nov. Abbreviations: NoTC: number of thoracic chaetigers; N: number of individuals; TC: total chaetigers; TL: total length; BW: body width." httpUri="http://table.plazi.org/id/746E5ECC2B39E763C6D7097758A2C0FD" pageId="0" pageNumber="1" tableUuid="746E5ECC2B39E763C6D7097758A2C0FD">1</tableCitation>
|
||
). There is no genetic divergence (mean K2P <0.003, with up to two base changes) among specimens from the type locality, and between the type locality and off the Fujian coast (Table
|
||
<tableCitation id="79AB1C5652129B5FBFB2F21E6A6E6CDA" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Mean genetic distance within and between the two sampling localities based on the K 2 P model. Abbreviations: BBG, Beibu Gulf; FJ, Fujian coast." httpUri="http://table.plazi.org/id/B6B565D22F3D3C7E61CEFE062082F024" pageId="0" pageNumber="1" tableUuid="B6B565D22F3D3C7E61CEFE062082F024">3</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="B6B565D22F3D3C7E61CEFE062082F024" ID-Table-UUID="B6B565D22F3D3C7E61CEFE062082F024" httpUri="http://table.plazi.org/id/B6B565D22F3D3C7E61CEFE062082F024" pageId="0" pageNumber="1" start="Table 3" startId="T3">
|
||
<paragraph id="D619506190B87A84A208599941071121" pageId="0" pageNumber="1">
|
||
<emphasis id="6745755FBEC442BB84F0C0716AEF903B" bold="true" pageId="0" pageNumber="1">Table 3.</emphasis>
|
||
Mean genetic distance within and between the two sampling localities based on the K2P model. Abbreviations: BBG, Beibu Gulf; FJ, Fujian coast.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="F62FE8E366CEA35DC7EFBB7DF3804D33" pageId="0" pageNumber="1">
|
||
<table id="714F41E61A072E785C01567FBA558956" pageId="0" pageNumber="1">
|
||
<tr id="9FAC4280AD55B1E71C7EADC411CFF49C" pageId="0" pageNumber="1">
|
||
<th id="34E692C735C7ED0FA24E3C1ADE388EE3" colspan="1" pageId="0" pageNumber="1" rowspan="2">Marker</th>
|
||
<th id="D3534798BFACA61322B621DFC007FA16" colspan="1" pageId="0" pageNumber="1" rowspan="1">Sequence length</th>
|
||
<th id="4DBDBF20A0F8408AC2E90E0988A38F5B" colspan="2" pageId="0" pageNumber="1" rowspan="1">Within group mean distance</th>
|
||
<th id="9FC5C04D7A2CF1BEB4526F4600FD284D" colspan="1" pageId="0" pageNumber="1" rowspan="1">Between group mean distance</th>
|
||
</tr>
|
||
<tr id="4F904607D5418704122201C667186CC4" pageId="0" pageNumber="1">
|
||
<th id="5D0EB9312E1652BEF2D5C89C8C97CFAC" colspan="1" pageId="0" pageNumber="1" rowspan="1">bp</th>
|
||
<th id="0356F68A97CFC6F88EA93FE34781FF13" colspan="1" pageId="0" pageNumber="1" rowspan="1">BBG</th>
|
||
<th id="F3B03FE567ED70D3B3583B3C2F883BA7" colspan="1" pageId="0" pageNumber="1" rowspan="1">FJ</th>
|
||
<th id="3D44023CED107C24BCA11261D3768451" colspan="1" pageId="0" pageNumber="1" rowspan="1">BBW & FJ</th>
|
||
</tr>
|
||
<tr id="C78F2C9F3C9EA311F06C73D0AB8EC2A4" pageId="0" pageNumber="1">
|
||
<td id="210FAE0A8FCC71856C8273C80F082D49" colspan="1" pageId="0" pageNumber="1" rowspan="1">16S</td>
|
||
<td id="66C7928E7DC210BFCB4034265BFCE5AB" colspan="1" pageId="0" pageNumber="1" rowspan="1">417</td>
|
||
<td id="349822739DD2636343B1CFDE52536E79" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0024</td>
|
||
<td id="E1795826C1FB16C550EF0B115BA1F8D8" colspan="1" pageId="0" pageNumber="1" rowspan="1">0</td>
|
||
<td id="C61BFC290738725BDBCCA7051AF2AE45" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0013</td>
|
||
</tr>
|
||
<tr id="EF8CB8516E531A9579081F8028FC0D91" pageId="0" pageNumber="1">
|
||
<td id="6AC87E0D8D2DB0708DAC054252382970" colspan="1" pageId="0" pageNumber="1" rowspan="1">18S</td>
|
||
<td id="4966AD7F2DC333A112461FB005C91782" colspan="1" pageId="0" pageNumber="1" rowspan="1">1694</td>
|
||
<td id="9ACD85995D62511C3D18FDDDE54B26DA" colspan="1" pageId="0" pageNumber="1" rowspan="1">0</td>
|
||
<td id="D88F879F83C0544F9282A5848EDF855C" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0003</td>
|
||
<td id="AFE2A2A69704456ABA2F9CADCC0CD380" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0002</td>
|
||
</tr>
|
||
<tr id="A5562DFB66E2DB72FED3A0FF4960C653" pageId="0" pageNumber="1">
|
||
<td id="CB3BF39846514D108D82FE07DBD05FBE" colspan="1" pageId="0" pageNumber="1" rowspan="1">28S</td>
|
||
<td id="A65BCDF4109DB74760E599EA2246756C" colspan="1" pageId="0" pageNumber="1" rowspan="1">874</td>
|
||
<td id="67F3A6F2A3B5C58F43E47E5202F436DD" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0017</td>
|
||
<td id="D719F7A86F1182F97E80D9911D38237F" colspan="1" pageId="0" pageNumber="1" rowspan="1">0</td>
|
||
<td id="9EEF434AA387C0598EF23238CA4169D8" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0019</td>
|
||
</tr>
|
||
<tr id="3A5D6977E5EA47A3C84ECDAFAFBBF90F" pageId="0" pageNumber="1">
|
||
<td id="612C16A2235128F3CF4718833927A675" colspan="1" pageId="0" pageNumber="1" rowspan="1">H3</td>
|
||
<td id="ADB50B6F4B56C9DFB4C6357A85B6A8D3" colspan="1" pageId="0" pageNumber="1" rowspan="1">352</td>
|
||
<td id="2D8C6E2441B30425DD6DB69D79C45392" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0021</td>
|
||
<td id="B2D1DB9B4E0E8CCBFC54E9D1AC466C13" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0014</td>
|
||
<td id="070E7745ADD5112A267710ACD9CCABC4" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.0019</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="93D6CC37B178F3A46BB651945FEC01C3" pageId="0" pageNumber="1" type="distribution">
|
||
<paragraph id="B07EEB49FB7055E1715C2E610537EF2D" pageId="0" pageNumber="1">Distribution.</paragraph>
|
||
<paragraph id="87AAD4C50CD22AD74189D316FB09E95B" pageId="0" pageNumber="1">Currently known from Beibu Gulf (South China Sea) and off the Fujian coast.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="7296E62B48675F04E1FB9D5897D105A4" pageId="0" pageNumber="1" type="ecology">
|
||
<paragraph id="BB32B709FA7EC1974C09D3BFC1B35281" pageId="0" pageNumber="1">Ecology.</paragraph>
|
||
<paragraph id="F19B89EDC0FC3D680ED7A22F62902A13" pageId="0" pageNumber="1">The new species inhabits shallow-sea (10-65 m) sediments characterized by mud, muddy sand, or sandy mud with shell fragments.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="647F38EAE4591D043C0A16CA87DB7A6B" pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph id="D7634F45CF8E89373E8B093201C97822" pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph id="44F7D431DA272DC2E2228C276EC6700C" pageId="0" pageNumber="1">The specific name was derived from its variable number of thoracic chaetigers (9-13) during ontogeny.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="56D724B704F4F43721EDC7B4A1347525" pageId="0" pageNumber="1" type="variation">
|
||
<paragraph id="3F6E1D341F1911264B06E08536E07800" pageId="0" pageNumber="1">Variation.</paragraph>
|
||
<paragraph id="CDE4BD09066B34129FE2DF080AC2ED4C" pageId="0" pageNumber="1">The majority (79%) of the type specimens possess 10 or 11 thoracic chaetigers with capillaries in both rami. Larger specimens (>1.0 mm wide) have 11-13 chaetigers with only capillaries. Areolated epithelium was clearly seen in large specimens, while obscured in the small ones. The holotype stained dark blue on four pairs of genital pores (between chaetigers 9-13), whereas some specimens have blue stain on two pairs of genital pores (on chaetigers 9-11).</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="E733615E5B6186DEF01F5F7EE2DA8942" pageId="0" pageNumber="1" type="remarks">
|
||
<paragraph id="0AE6AE230E0F4DA087F032205D50BE14" pageId="0" pageNumber="1">Remarks.</paragraph>
|
||
<paragraph id="2D103EA19EDA641A714BF8E9A9259B9F" pageId="0" pageNumber="1">Among the type specimens included in this study, the holotype is the only complete one. It has more discernable morphological characters than the others, such as the form of the thoracic epithelium and genital pores and, although it was not the largest specimen, it was considered the best for the holotype. Judging from its body size (body width>1 mm), it should be a mature specimen.</paragraph>
|
||
<paragraph id="FA7F4151CAF58A36407C3ECC08206705" pageId="0" pageNumber="1">
|
||
The new species shares a few morphological features with the two previously known species. They all possess a rounded prostomium without a palpode, eyespots on the lateral sides of the prostomium, four pairs of genital pores on the anterior body, reduced parapodia in the anterior abdomen, two anal cirri on the ventral side of the pygidium, and a variable number of chaetigers with capillaries in both rami. Despite the highly similar body appearance,
|
||
<taxonomicName id="C2EA15E5ADD39FFAC5BFEBA6E83679AB" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis">
|
||
<emphasis id="8F4034C7A1C96D458CDE7A4870BAC0F3" italics="true" pageId="0" pageNumber="1">Promastobranchus variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. differs from
|
||
<taxonomicName id="A11E874ADC542ED22B10F804A5B73F29" lsidName="P. huloti" pageId="0" pageNumber="1" rank="species" species="huloti">
|
||
<emphasis id="812B594BF02030E790094D13F65F38F2" italics="true" pageId="0" pageNumber="1">P. huloti</emphasis>
|
||
</taxonomicName>
|
||
mainly in the dental formula of hooks and neuropodia in the preanal region, as shown in Table
|
||
<tableCitation id="7420639473C71036CB22D1C2A60C0E28" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison with the known Promastobranchus species around the world. Abbreviations: No: notopodia; Neu: neuropodia." httpUri="http://table.plazi.org/id/E801CC9245FA80519859775F8B026226" pageId="0" pageNumber="1" tableUuid="E801CC9245FA80519859775F8B026226">4</tableCitation>
|
||
. The hooks of the new species have nine teeth in three rows (2+3+4), instead of four teeth in a single row as in
|
||
<taxonomicName id="0B1840833203C94BA14806045C30A29E" lsidName="P. huloti" pageId="0" pageNumber="1" rank="species" species="huloti">
|
||
<emphasis id="B47C8098B8ED962362B73FFF1E78748B" italics="true" pageId="0" pageNumber="1">P. huloti</emphasis>
|
||
</taxonomicName>
|
||
. The number of neuropodial hooks in the preanal region is much higher in
|
||
<taxonomicName id="C392854B8DDFA056ABC940DC61254C33" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis">
|
||
<emphasis id="956943766FF9B680EFF565E947538BE5" italics="true" pageId="0" pageNumber="1">Promastobranchus variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (30-40 hooks) than in
|
||
<taxonomicName id="6593DBDCDF687191CAA133C37F40341E" lsidName="P. huloti" pageId="0" pageNumber="1" rank="species" species="huloti">
|
||
<emphasis id="9F621E47858DA24B18BF031F7DAB51B0" italics="true" pageId="0" pageNumber="1">P. huloti</emphasis>
|
||
</taxonomicName>
|
||
(2 or 3 hooks).
|
||
<taxonomicName id="76A42380E6C1A162C19B338F7DA28193" authorityName="Lin & García-Garza & Mou & Lin" authorityYear="2023" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus variabilis" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="variabilis">
|
||
<emphasis id="47A10E9005320BE5BD07CE91B8CBCC1D" italics="true" pageId="0" pageNumber="1">Promastobranchus variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. can be also distinguished from
|
||
<taxonomicName id="122C5DC7F02FC657BFE7256B8C879389" lsidName="P. orbiculatus" pageId="0" pageNumber="1" rank="species" species="orbiculatus">
|
||
<emphasis id="10C83C5916A0B4E39B092C3E703B2B67" italics="true" pageId="0" pageNumber="1">P. orbiculatus</emphasis>
|
||
</taxonomicName>
|
||
mainly by the dental formula of hooks and the position of the genital pores. The former species has nine teeth while the latter has six teeth (2+4). Besides, the new species has four genital pores present on the intersegmental grooves of chaetigers 9-13, instead of those of chaetigers 10-14 as in
|
||
<taxonomicName id="A557ED230B18AD97B0A0C5A4B1E59A51" lsidName="P. orbiculatus" pageId="0" pageNumber="1" rank="species" species="orbiculatus">
|
||
<emphasis id="9B8FCE9177765E3C8093A5B7B71F4B24" italics="true" pageId="0" pageNumber="1">P. orbiculatus</emphasis>
|
||
</taxonomicName>
|
||
. As for MGSP, the new species has a single dark transverse band per segment located on notopodia from chaetiger 21, which was absent in the other two species. Moreover, the new species bears an areolated epithelium from the peristomium to chaetiger 8 and protruded neuropodial tori in the posterior abdomen, which are not observed in its congeners.
|
||
</paragraph>
|
||
<caption id="E801CC9245FA80519859775F8B026226" ID-Table-UUID="E801CC9245FA80519859775F8B026226" httpUri="http://table.plazi.org/id/E801CC9245FA80519859775F8B026226" pageId="0" pageNumber="1" start="Table 4" startId="T4">
|
||
<paragraph id="546A986C59F7B97CE94ECBA60C8D449B" pageId="0" pageNumber="1">
|
||
<emphasis id="FCB0B981A4DA34FE2429A3EC3F9EAA27" bold="true" pageId="0" pageNumber="1">Table 4.</emphasis>
|
||
Comparison with the known
|
||
<taxonomicName id="3E331FC628C3DAF98A0D004960E99210" authorityName="Gallardo" authorityYear="1968" class="Clitellata" family="Capitellidae" genus="Promastobranchus" kingdom="Animalia" lsidName="Promastobranchus" order="Eunicida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis id="331BFC607F630E3F127F02C467624D23" italics="true" pageId="0" pageNumber="1">Promastobranchus</emphasis>
|
||
</taxonomicName>
|
||
species around the world. Abbreviations: No: notopodia; Neu: neuropodia.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8DF1C22969A258F0C55DFDD81DE18BFC" pageId="0" pageNumber="1">
|
||
<table id="3FB2C97FCD6F9D9E5E44B7382E735615" pageId="0" pageNumber="1">
|
||
<tr id="512D7F05DBF720D76AA97BE09ED287E8" pageId="0" pageNumber="1">
|
||
<th id="619D7B99B684DC9861647DB58CBC8DB1" colspan="1" pageId="0" pageNumber="1" rowspan="1">Species</th>
|
||
<th id="FD9B04E4B7F18920D089543E6D7FD9CF" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="730FD559B1552C38DD92A31D7D175701" lsidName="P. huloti" pageId="0" pageNumber="1" rank="species" species="huloti">
|
||
<emphasis id="2B00910E28DBE410235154AD919CC1F5" italics="true" pageId="0" pageNumber="1">P. huloti</emphasis>
|
||
</taxonomicName>
|
||
</th>
|
||
<th id="D9B71B76B0BDF3FC7ED32D749B68A9D0" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="63A46CB0E7EAC72D2A8A2991112202A5" lsidName="P. orbiculatus" pageId="0" pageNumber="1" rank="species" species="orbiculatus">
|
||
<emphasis id="D804C0A23625D0246E35E34F2C77B5A7" italics="true" pageId="0" pageNumber="1">P. orbiculatus</emphasis>
|
||
</taxonomicName>
|
||
</th>
|
||
<th id="9A0D8400A705B6ACE28EC95235DA0D36" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName id="378A23EFF46AE87A51CB83E814A02336" lsidName="P. variabilis" pageId="0" pageNumber="1" rank="species" species="variabilis">
|
||
<emphasis id="D5227BDE0C45CCB67559F4D26E81C8EC" italics="true" pageId="0" pageNumber="1">P. variabilis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</th>
|
||
</tr>
|
||
<tr id="66A491A051DA7D91EEEFF38EA8D365C4" pageId="0" pageNumber="1">
|
||
<td id="6E08A271C42D7DEDA6FFE030E320BA29" colspan="1" pageId="0" pageNumber="1" rowspan="1">Prostomium</td>
|
||
<td id="389CF5A964D32EFB682EED538942367C" colspan="1" pageId="0" pageNumber="1" rowspan="1">rounded without palpode</td>
|
||
<td id="E72046BFAE3BB8D91159150A10854FCE" colspan="1" pageId="0" pageNumber="1" rowspan="1">rounded without palpode</td>
|
||
<td id="BA639E45F2C6B7B91193710F06B6FFF1" colspan="1" pageId="0" pageNumber="1" rowspan="1">rounded without palpode</td>
|
||
</tr>
|
||
<tr id="2578D27D1702EB65C3C9173B52273241" pageId="0" pageNumber="1">
|
||
<td id="B838C9ABA5DDD9F91127AA2B585AAAB7" colspan="1" pageId="0" pageNumber="1" rowspan="1">Eyespots</td>
|
||
<td id="18AE80894E8233F9116A248F1CACA68B" colspan="1" pageId="0" pageNumber="1" rowspan="1">present</td>
|
||
<td id="AD5C018358D59C463FBCF3E279984DFD" colspan="1" pageId="0" pageNumber="1" rowspan="1">present</td>
|
||
<td id="2D82AB8E82D6929561E38D96906FAF19" colspan="1" pageId="0" pageNumber="1" rowspan="1">present</td>
|
||
</tr>
|
||
<tr id="07CF61D40652A3616EC247EE6C9A618A" pageId="0" pageNumber="1">
|
||
<td id="73297F813BAEAC8E98816608A0C623BF" colspan="1" pageId="0" pageNumber="1" rowspan="1">Thoracic epithelium</td>
|
||
<td id="0877B5596BBDFA221DDEF4DF5594BA0C" colspan="1" pageId="0" pageNumber="1" rowspan="1">unknown</td>
|
||
<td id="F78F4907E7DA3AD3AD7D4D43DA9C1883" colspan="1" pageId="0" pageNumber="1" rowspan="1">smooth</td>
|
||
<td id="44C0882F6CC2D059F52BCD094BF068A3" colspan="1" pageId="0" pageNumber="1" rowspan="1">areolated up to chaetiger 8</td>
|
||
</tr>
|
||
<tr id="FF92A3BB29EDCBAE6E7D9FF64764CC2D" pageId="0" pageNumber="1">
|
||
<td id="0EB291F48456F9B999333F27FE45D6AE" colspan="1" pageId="0" pageNumber="1" rowspan="1">Number of thoracic chaetigers</td>
|
||
<td id="002F0859D0F5C1109B46A3F129569797" colspan="1" pageId="0" pageNumber="1" rowspan="1">12-13</td>
|
||
<td id="48741842D05C35C2AD9A09928621B6E6" colspan="1" pageId="0" pageNumber="1" rowspan="1">9-12</td>
|
||
<td id="7DA57BCCAA41B45ED3A17F0F8E0996C7" colspan="1" pageId="0" pageNumber="1" rowspan="1">9-13</td>
|
||
</tr>
|
||
<tr id="684C2A9084D689AD1B81792808AAA4AF" pageId="0" pageNumber="1">
|
||
<td id="358560239943A8C30B780A4AF45F04C7" colspan="1" pageId="0" pageNumber="1" rowspan="1">Branchiae</td>
|
||
<td id="B209D875D3AB3568F09964CE01178ABC" colspan="1" pageId="0" pageNumber="1" rowspan="1">absent</td>
|
||
<td id="38C5A867A27EB5067A21D1FB82C18344" colspan="1" pageId="0" pageNumber="1" rowspan="1">absent</td>
|
||
<td id="EAEDC35596090C866BEC569E51F629E9" colspan="1" pageId="0" pageNumber="1" rowspan="1">absent</td>
|
||
</tr>
|
||
<tr id="DAB2F056D68F0DE039E1D42C8AB4C6F0" pageId="0" pageNumber="1">
|
||
<td id="0CFDAC6D444E3C3C0D5593B27A485966" colspan="1" pageId="0" pageNumber="1" rowspan="1">Dental formula of abdominal hooks</td>
|
||
<td id="99E939014A4399E00CA6CE1E56BD61AC" colspan="1" pageId="0" pageNumber="1" rowspan="1">4 in a single row</td>
|
||
<td id="BED3E042098FC763BCB7F3978B72D919" colspan="1" pageId="0" pageNumber="1" rowspan="1">6 in two rows (2+4)</td>
|
||
<td id="683B4B5388CA77C7FAED29EC7FA1A36E" colspan="1" pageId="0" pageNumber="1" rowspan="1">9 in three rows (2+3+4)</td>
|
||
</tr>
|
||
<tr id="94D7A076FFB1417B5DDEB863BD05CF50" pageId="0" pageNumber="1">
|
||
<td id="F68301742CF42070C1E1DD5445ECCAF2" colspan="1" pageId="0" pageNumber="1" rowspan="1">Location of genital pores</td>
|
||
<td id="60F8ED06E11291B16616D870BB514AAD" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 9-13</td>
|
||
<td id="E978F8138E890D3845AFCA9EACDCFF2C" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 10-14</td>
|
||
<td id="15D04DE0BCCAC6EB487A6ABA0DDA6160" colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 9-13</td>
|
||
</tr>
|
||
<tr id="1C6A689CB0B20BEF7D0B74B45393CA7E" pageId="0" pageNumber="1">
|
||
<td id="02417DE97A8045D8CDF326DE328FC69A" colspan="1" pageId="0" pageNumber="1" rowspan="1">Neuropodia in posterior abdomen</td>
|
||
<td id="56FB2D43DE7AA9458AEC175049A210B5" colspan="1" pageId="0" pageNumber="1" rowspan="1">unknown</td>
|
||
<td id="6A8018613AD0DA03ADEC29C54AE7EF4D" colspan="1" pageId="0" pageNumber="1" rowspan="1">reduced</td>
|
||
<td id="1AC53000A25A5AC3FB7774565BEBB8C4" colspan="1" pageId="0" pageNumber="1" rowspan="1">protruded above surface</td>
|
||
</tr>
|
||
<tr id="C3A1A9AAE14872EEFCB96FEA77C51F2B" pageId="0" pageNumber="1">
|
||
<td id="6DFAC56905E451425926E75096D08349" colspan="1" pageId="0" pageNumber="1" rowspan="1">Number of chaetae in preanal region</td>
|
||
<td id="1686C47954F7962644BAB64B4139F6EB" colspan="1" pageId="0" pageNumber="1" rowspan="1">No: a few capillaries; Neu: 2-3 hooks</td>
|
||
<td id="C7F4B47046791CEB8F19900FFABAC6D3" colspan="1" pageId="0" pageNumber="1" rowspan="1">No: 6-8 capillaries; Neu: 30-45 hooks</td>
|
||
<td id="4F4DFC634492CF6B5F20B2F7A70B5CD4" colspan="1" pageId="0" pageNumber="1" rowspan="1">No: 8-10 capillaries; Neu: 30-40 hooks</td>
|
||
</tr>
|
||
<tr id="84BBEC076C1B8BB8CDA5A56D9FF80AED" pageId="0" pageNumber="1">
|
||
<td id="7E30E6D47B2AA7CE617DD64AB726D883" colspan="1" pageId="0" pageNumber="1" rowspan="1">MGSP</td>
|
||
<td id="847D27A66F4B6B78E60E4137C6EABAEB" colspan="1" pageId="0" pageNumber="1" rowspan="1">a dorsal band of stain on chaetiger 27</td>
|
||
<td id="4EDA83691279ECDB34F405C1C6CBBB03" colspan="1" pageId="0" pageNumber="1" rowspan="1">dark stain around 4 pairs of genital pores</td>
|
||
<td id="DBFD03BADAFF1859527F36379184697F" colspan="1" pageId="0" pageNumber="1" rowspan="1">dark stain on 4 pairs of genital pores, and a dark dorsal transverse band from chaetiger 21</td>
|
||
</tr>
|
||
<tr id="3B2AACAA0FC250C2AC28017DABA3AC1E" pageId="0" pageNumber="1">
|
||
<td id="BAF242ED17B000F85F2AC16963265E0B" colspan="1" pageId="0" pageNumber="1" rowspan="1">Habitat</td>
|
||
<td id="3E72722E3846AC8B2CE06562919D75F6" colspan="1" pageId="0" pageNumber="1" rowspan="1">8-43 m; mud, sandy mud, muddy sand, coarse sand</td>
|
||
<td id="ED5F455FCC7288EF29A7274623C764C3" colspan="1" pageId="0" pageNumber="1" rowspan="1">19-59 m; mud, sandy mud, muddy sand, sand</td>
|
||
<td id="0E247D212A466D46425476DC4AA327DF" colspan="1" pageId="0" pageNumber="1" rowspan="1">10-65 m; mud, sand, muddy sand with shell fragment</td>
|
||
</tr>
|
||
<tr id="9CDCF2BB032BF2ED6B7F8E47E3731A84" pageId="0" pageNumber="1">
|
||
<td id="1CF7E02907A7F543AD3A304F3524E986" colspan="1" pageId="0" pageNumber="1" rowspan="1">Type locality</td>
|
||
<td id="36D09833FCD63B4F44F1A7779B1D2D7C" colspan="1" pageId="0" pageNumber="1" rowspan="1">South Vietnam, South China Sea</td>
|
||
<td id="ED7DF3B43F1EFA4EC6843B1F166E1750" colspan="1" pageId="0" pageNumber="1" rowspan="1">Andaman Sea, Thailand</td>
|
||
<td id="9CA77B5CE2DB0C3D7CE7F63B07C94B8D" colspan="1" pageId="0" pageNumber="1" rowspan="1">Beibu Gulf, South China Sea</td>
|
||
</tr>
|
||
<tr id="79301FAD40F029F049CCC96285E38102" pageId="0" pageNumber="1">
|
||
<td id="02F322F6C282344DEB21C830DD04B779" colspan="1" pageId="0" pageNumber="1" rowspan="1">References</td>
|
||
<td id="B0EEB38D2C519CB1DC79803DC5FAE3B2" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<bibRefCitation id="248A968E7F7048A501912E38CBB1BDD2" author="Gallardo, VA" journalOrPublisher="Australian Journal of Zoology" pageId="0" pageNumber="1" refId="B5" refString="Gallardo, VA, 1968. [erroneously dated 1967] Polychaeta from the Bay of Nha Trang, south Vietnam. Naga Report 4 Part 3: Scientific Results of Marine Investigations of the South China Sea and the Gulf of Thailand 1959-1961. University of California Press, La Jolla, 35-279." title="[erroneously dated 1967] Polychaeta from the Bay of Nha Trang, south Vietnam. Naga Report 4 Part 3: Scientific Results of Marine Investigations of the South China Sea and the Gulf of Thailand 1959 - 1961. University of California Press, La Jolla, 35 - 279." year="1968">Gallardo 1968</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="5BF02DD5C24BE15DE69AE3D5281BF7F6" author="Green, KD" editor="Eibye Jacobsen, D" journalOrPublisher="Phuket Marine Biological Center Special Publication, Thailand" pageId="0" pageNumber="1" pagination="249 - 344" refId="B6" refString="Green, KD, 2002. Capitellidae (Polychaeta) from the Andaman Sea. In: Eibye Jacobsen, D, Ed., Proceedings of the International Workshop on the Polychaetes of the Andaman Sea, 3 June - 27 August 1997. Phuket Marine Biological Center Special Publication, Thailand: 249 - 344" title="Capitellidae (Polychaeta) from the Andaman Sea." volumeTitle="Proceedings of the International Workshop on the Polychaetes of the Andaman Sea, 3 June - 27 August 1997." year="2002">Green 2002</bibRefCitation>
|
||
</td>
|
||
<td id="AE8E160CAA415BAAA9F287A21A3282A9" colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<bibRefCitation id="DA3193ED2B40A9579271F5F35848AD57" author="Green, KD" editor="Eibye Jacobsen, D" journalOrPublisher="Phuket Marine Biological Center Special Publication, Thailand" pageId="0" pageNumber="1" pagination="249 - 344" refId="B6" refString="Green, KD, 2002. Capitellidae (Polychaeta) from the Andaman Sea. In: Eibye Jacobsen, D, Ed., Proceedings of the International Workshop on the Polychaetes of the Andaman Sea, 3 June - 27 August 1997. Phuket Marine Biological Center Special Publication, Thailand: 249 - 344" title="Capitellidae (Polychaeta) from the Andaman Sea." volumeTitle="Proceedings of the International Workshop on the Polychaetes of the Andaman Sea, 3 June - 27 August 1997." year="2002">Green 2002</bibRefCitation>
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</td>
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<td id="0A720A22682DF128EC88707DCADAE109" colspan="1" pageId="0" pageNumber="1" rowspan="1">This study</td>
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||
</tr>
|
||
</table>
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||
</paragraph>
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||
</subSubSection>
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</treatment>
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</subSection>
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</document> |