287 lines
38 KiB
XML
287 lines
38 KiB
XML
<document ID-CLB-Dataset="25053" ID-DOI="http://dx.doi.org/10.3897/zookeys.883.36193" ID-GBIF-Dataset="4f6d7148-d281-4073-8bc1-24ce51c3717b" ID-PMC="PMC6828828" ID-Pensoft-Pub="1313-2970-883-1" ID-Pensoft-UUID="EAC9B5058CE55C5AA9A344F6FEFA25D5" ID-PubMed="31719773" ID-ZooBank="7ABDE7F0DD424B968A1380E1E59B1515" ModsDocID="1313-2970-883-1" checkinTime="1572422626326" checkinUser="pensoft" docAuthor="Wiklund, Helena, Neal, Lenka, Glover, Adrian G., Drennan, Regan, Muriel Rabone, & Dahlgren, Thomas G." docDate="2019" docId="DBD967D4288359F4A0E9EF7E519F2AF8" docLanguage="en" docName="ZooKeys 883: 1-82" docOrigin="ZooKeys 883" docSource="http://dx.doi.org/10.3897/zookeys.883.36193" docTitle="Ophelina ganae Wiklund, Neal, Glover, Drennan, Rabone & Dahlgren, 2019, sp. nov." docType="treatment" docUuid="4B05DE1F-CD07-40CF-A87D-9BC1B45F5477" docUuidSource="ZooBank" docVersion="7" id="EAC9B5058CE55C5AA9A344F6FEFA25D5" lastPageNumber="1" masterDocId="EAC9B5058CE55C5AA9A344F6FEFA25D5" masterDocTitle="Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae, and Travisiidae" masterLastPageNumber="82" masterPageNumber="1" pageNumber="1" updateTime="1732936696725" updateUser="ExternalLinkService">
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<mods:title id="4F3C24B6073F9F5FD3AF7AB5CA20DCF0">Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae, and Travisiidae</mods:title>
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<mods:namePart id="7087504AC461771CD52DA769B244BCFD">Wiklund, Helena</mods:namePart>
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<mods:namePart id="508160E2E050272F3C6B0E1093596784">Neal, Lenka</mods:namePart>
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<mods:roleTerm id="F9EC59A902CF0C5F8FDB480FD5CD1B4B">Author</mods:roleTerm>
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<mods:namePart id="6DF83B3A36D5C74C8A4E0E40FC00FDFC">Glover, Adrian G.</mods:namePart>
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<mods:name id="9CC870D1E923E5FCA0B101CE2D77970E" type="personal">
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<mods:namePart id="2B62AE463794342CEE27B266D949BFF4">Drennan, Regan</mods:namePart>
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<mods:namePart id="6DAD8B33EAE8FC69C72105EEAF2EB2FF">Muriel Rabone,</mods:namePart>
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<mods:namePart id="6806E66E6BB81E4422A92464960B2BAC">Dahlgren, Thomas G.</mods:namePart>
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<mods:typeOfResource id="41841A80E3CD4BDECE73146D209A268F">text</mods:typeOfResource>
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<mods:title id="14A2019F56541682B7DB81907D1EB774">ZooKeys</mods:title>
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<mods:date id="2CF80D9D936627153512F6E833BB544D">2019</mods:date>
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<mods:number id="DA8C5EAFAC4EC036DFE6EAA231F8E7AE">883</mods:number>
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<mods:url id="EAC6D0C2EBE3F4E6C8264C7C68C43483">http://dx.doi.org/10.3897/zookeys.883.36193</mods:url>
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<mods:classification id="F6C459B806964D961C698B9F7CDB9BF2">journal article</mods:classification>
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<mods:identifier id="EBE066671E71A850AA638BB43C59F171" type="DOI">http://dx.doi.org/10.3897/zookeys.883.36193</mods:identifier>
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<mods:identifier id="8C4BB862251561D0353BE9E222E476D0" type="Pensoft-Pub">1313-2970-883-1</mods:identifier>
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<mods:identifier id="1D1AF2107D4E9E3420214F46D1671344" type="ZooBank">7ABDE7F0DD424B968A1380E1E59B1515</mods:identifier>
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<treatment id="DBD967D4288359F4A0E9EF7E519F2AF8" ID-GBIF-Taxon="159909633" LSID="urn:lsid:zoobank.org:act:4B05DE1F-CD07-40CF-A87D-9BC1B45F5477" httpUri="http://treatment.plazi.org/id/DBD967D4288359F4A0E9EF7E519F2AF8" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Opheliidae" scope_phylum="Annelida">
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<subSubSection id="DD545548E6F6259F8364694992A97B71" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="FF6790A20FA0CC8510308CA1257A5C20" pageId="0" pageNumber="1">
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<taxonomicName id="F2509BEF1B707565C994DB1582E5A4B0" LSID="DBD967D4-2883-59F4-A0E9-EF7E519F2AF8" family="Capitellidae" genus="Ophelina" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Ophelina ganae" order="Capitellida" pageId="0" pageNumber="1" rank="species" species="ganae">Ophelina ganae</taxonomicName>
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<taxonomicNameLabel id="600F82E01B7992932370FF9BFCF6F3C2" pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation id="182CDBFB63AA320F5AA534AC9BADE9DF" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">
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Fig. 12
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<normalizedToken id="956ABCE0647F4EE023C748037A971980" originalValue="A–I">A-I</normalizedToken>
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||
</figureCitation>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="C5C3C968AE2F4E580D8088EF2004E36A" pageId="0" pageNumber="1" type="materials_examined">
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<paragraph id="1EFCF1A4936A3C120B8E563D902BD932" pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph id="C0F1ECADDE28749AA868713EF7E3FEF2" pageId="0" pageNumber="1">
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NHM_245 NHMUK ANEA 2019.7140, coll. 16 Oct. 2013,
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<geoCoordinate id="777E45CF6D01B1DEBE536E41ECD3557D" degrees="13" direction="north" minutes="48.70" orientation="latitude" precision="9" value="13.8116665">13°48.70N</geoCoordinate>
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,
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<geoCoordinate id="72CDB8B29B63DF29002510D0E2BEBD95" degrees="116" direction="west" minutes="42.60" orientation="longitude" precision="9" value="-116.71">116°42.60W</geoCoordinate>
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, 4076 m http://data.nhm.ac.uk/object/3a34b9cb-504b-48a3-a8e9-93077ec69520; NHM_248 NHMUK ANEA 2019.7141, coll. 16 Oct. 2013,
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<geoCoordinate id="F083D8188A4614E1D062D90CF59D8673" degrees="13" direction="north" minutes="48.70" orientation="latitude" precision="9" value="13.8116665">13°48.70N</geoCoordinate>
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,
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<geoCoordinate id="B23D625942F0F96F48D9297E0FD31BC8" degrees="116" direction="west" minutes="42.60" orientation="longitude" precision="9" value="-116.71">116°42.60W</geoCoordinate>
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, 4076 m http://data.nhm.ac.uk/object/e67f7724-8c9f-4463-943e-7cda20441728; NHM_473 NHMUK ANEA 2019.7142, coll. 22 Oct. 2013,
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<geoCoordinate id="DD37879929D3E686CCCD094D4C49A438" degrees="13" direction="north" minutes="43.597" orientation="latitude" precision="1" value="13.726617">13°43.597N</geoCoordinate>
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,
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<geoCoordinate id="9CE0B23358B5A6EF9BDAEF9D17CE1FE4" degrees="116" direction="west" minutes="40.20" orientation="longitude" precision="9" value="-116.67">116°40.20W</geoCoordinate>
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, 4160 m http://data.nhm.ac.uk/object/79dcab18-936b-430e-b770-6aab60d285c5; NHM_598 (SEM) (
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<emphasis id="C0071C10ECB64B9AA6DE2867DC15FE32" bold="true" pageId="0" pageNumber="1">paratype</emphasis>
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) NHMUK ANEA 2019.7143, coll. 17 Feb. 2015,
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<geoCoordinate id="08091BA9800905EA8097DABA089F0E02" degrees="12" direction="north" minutes="23.174" orientation="latitude" precision="1" value="12.386233">12°23.174N</geoCoordinate>
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,
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<geoCoordinate id="4FBF295596B3D223C89DE088CAD00AA9" degrees="116" direction="west" minutes="32.92" orientation="longitude" precision="9" value="-116.54867">116°32.92W</geoCoordinate>
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, 4202 m http://data.nhm.ac.uk/object/2fa20a59-8bb3-4ef8-b2e9-efccbe2c9414; NHM_708 NHMUK ANEA 2019.7144, coll. 20 Feb. 2015,
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<geoCoordinate id="561DF253A87C6696FED9EFC8DD9A0A4C" degrees="12" direction="north" minutes="32.23" orientation="latitude" precision="9" value="12.537167">12°32.23N</geoCoordinate>
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,
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<geoCoordinate id="8A903E7D04D903F654610C1EA2AF54A0" degrees="116" direction="west" minutes="36.25" orientation="longitude" precision="9" value="-116.604164">116°36.25W</geoCoordinate>
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, 4425 m http://data.nhm.ac.uk/object/2077c6c6-0e3e-4dfa-97a0-16d6c386ff07; NHM_1098 NHMUK ANEA 2019.7145, coll. 26 Feb. 2015,
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<geoCoordinate id="506CC464E8DE455C3F26E8F36E3024C3" degrees="12" direction="north" minutes="06.93" orientation="latitude" precision="9" value="12.1155">12°06.93N</geoCoordinate>
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,
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<geoCoordinate id="43CD6A958076C3659938699CDAE4E0F5" degrees="117" direction="west" minutes="09.87" orientation="longitude" precision="9" value="-117.1645">117°09.87W</geoCoordinate>
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, 4100 m http://data.nhm.ac.uk/object/5661fb64-83a2-4e9a-b3c3-a8405705ed1a; NHM_1137 (
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<emphasis id="EB9F5CC116E65C9E1680BA3E9149F3D3" bold="true" pageId="0" pageNumber="1">holotype</emphasis>
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) NHMUK ANEA 2019.7146, coll. 26 Feb. 2015,
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<geoCoordinate id="6812D6A8C43D88F7767A3765A3B1303F" degrees="12" direction="north" minutes="06.93" orientation="latitude" precision="9" value="12.1155">12°06.93N</geoCoordinate>
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,
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<geoCoordinate id="AA7FA2DD4A89555BFA05505AA899D0C9" degrees="117" direction="west" minutes="09.87" orientation="longitude" precision="9" value="-117.1645">117°09.87W</geoCoordinate>
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, 4100 m http://data.nhm.ac.uk/object/11616c16-bdb5-4813-9d17-7170bb62702b; NHM_1309 (
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<emphasis id="163760C51F5D1D201C28D3920FDD96DD" bold="true" pageId="0" pageNumber="1">paratype)</emphasis>
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(SEM) NHMUK ANEA 2019.7147, coll. 01 Mar. 2015,
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<geoCoordinate id="2ACD29459B96C769AF882C0592AFF5C1" degrees="12" direction="north" minutes="15.44" orientation="latitude" precision="9" value="12.257334">12°15.44N</geoCoordinate>
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,
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<geoCoordinate id="6AB4F1BDF9D475DB506BD567BFBB2016" degrees="117" direction="west" minutes="18.13" orientation="longitude" precision="9" value="-117.30217">117°18.13W</geoCoordinate>
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, 4302 m http://data.nhm.ac.uk/object/1ff41b52-9801-4b2e-8e01-ea34597b708d.
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</paragraph>
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</subSubSection>
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<subSubSection id="21DDA1E7FAD48D516D164E19145F0FAA" pageId="0" pageNumber="1" type="type locality">
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<paragraph id="156F9C9D6F6AF639EAE7B359A82BF262" pageId="0" pageNumber="1">Type locality.</paragraph>
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<paragraph id="F3BEA9AB5D96DD4B5E6B19729ED10BC9" pageId="0" pageNumber="1">
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Pacific Ocean, CCZ,
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<geoCoordinate id="DCB5763AD8BDA927678923E7BB8CD96E" degrees="12" direction="north" minutes="06.93" orientation="latitude" precision="9" value="12.1155">12°06.93N</geoCoordinate>
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,
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<geoCoordinate id="49B51F306DD4E361F9B60F0D922E750C" degrees="117" direction="west" minutes="09.87" orientation="longitude" precision="9" value="-117.1645">117°09.87W</geoCoordinate>
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, depth 4100 m, in mud between polymetallic nodules.
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</paragraph>
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</subSubSection>
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<subSubSection id="7D4E38E16D8A498E89A57A598F961BC0" pageId="0" pageNumber="1" type="description">
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<paragraph id="DF60EE1CDBB48990CDA1F738DE78790F" pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph id="C05D6AB9782346E3960E90EB9F377809" pageId="0" pageNumber="1">
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Small species (4.5-8 mm long without anal tube), represented by eight specimens; all preserved specimens without anal tube (likely missing due to damage). Holotype is 7 mm long and 0.3 mm wide for 17 chaetigers. Paratypes 7-8 mm long and 0.33-0.35 mm wide for 17 chaetigers. Body cylindrical and smooth without distinct annulation. Preserved specimen yellow in ethanol (
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<figureCitation id="DB2AB604A6D804CC57CBC8157B82FDE7" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12A</figureCitation>
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); live specimens translucent (
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<figureCitation id="D6BB27EBA5726992E8884DFC9D763A5D" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12B, G</figureCitation>
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). Ventral and lateral grooves distinct along whole length of body. Anterior and posterior-most chaetigers slightly shorter than mid-body chaetigers.
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</paragraph>
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<caption id="782886736B88D3AECB57EECCDCB6A1F5" doi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" start="Figure 12" startId="F12">
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<paragraph id="7DF00FAA5BB12BC050E69CF796A62D6B" pageId="0" pageNumber="1">
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<emphasis id="6D3D62C1EAE95B64CD348A7A720C807D" bold="true" pageId="0" pageNumber="1">Figure 12.</emphasis>
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<taxonomicName id="86AE12FE2930A16D3D05DF2159AF1F3D" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina ganae" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="ganae">
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<emphasis id="A229C44CACC1EB71AD087D268E8A0300" italics="true" pageId="0" pageNumber="1">Ophelina ganae</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis id="D57EDD4E897107E2DAA5CDB129A0D587" bold="true" pageId="0" pageNumber="1">A</emphasis>
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Lab image, whole specimen (holotype [specimen NHM_1137]
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<emphasis id="F9136A1DB6EDE8EE711D20D5B32F51AE" bold="true" pageId="0" pageNumber="1">B</emphasis>
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Live images, whole specimens (holotype [bottom], paratype NHM_598 [middle], paratype NHM_1309 [top])
|
||
<emphasis id="F2BC84A71A963B7AB4CAE4968A5C1FEF" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
Lab image, detail of palpode (holotype)
|
||
<emphasis id="AD41ADBE865805B1435DC0072C40D0A5" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
SEM image, second chaetiger with lateral organ (paratype NHM_1309, lo = lateral organ)
|
||
<emphasis id="B5ED35C3B97BBF967D1F93601EFCA768" bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM_1309)
|
||
<emphasis id="26531464A66AC41E3D87A8E86ADED037" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
Lab image, detail of capillary chaetae (holotype)
|
||
<emphasis id="71EEE8913643BBC01D549FD5A0BFDA0B" bold="true" pageId="0" pageNumber="1">G</emphasis>
|
||
Live image, with detail of potential anal funnel (specimen NHM_473, vc = potential ventral cirrus).
|
||
<emphasis id="FFBDE8CB1A4AB7845CD1DB96A5454D19" bold="true" pageId="0" pageNumber="1">H</emphasis>
|
||
Lab image, detail of posterior (holotype)
|
||
<emphasis id="AF10926A649FC3E900356C1CF6130724" bold="true" pageId="0" pageNumber="1">I</emphasis>
|
||
Lab image, whole specimen (paratype NHM_598, stained). Morphological features in plates
|
||
<emphasis id="461F7484B2CC93323B44960A03082494" bold="true" pageId="0" pageNumber="1">G, H</emphasis>
|
||
have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (
|
||
<emphasis id="5033898DAE037EEB049B5BED8328A14F" bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
); 100
|
||
<normalizedToken id="D8987445D5988A23CB963267A5ACD97B" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="205F30E1862F88BC8C53ABDC61CA887B" bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
); 20
|
||
<normalizedToken id="018EBD8E60C8A5FB86C3462211DCFE49" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="8522FFC0D62932D35CE01F24FE157E99" bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
); 5
|
||
<normalizedToken id="7E7F8FBA58E0E301EFBB6B647FFF46E1" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="38784F8710AF0085205F8BE3FC0CADB6" bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
); 50
|
||
<normalizedToken id="9E2AEAD1309ABA0B4F877D7F5D1C39A8" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="3F1AA5132EF22FE85FB602B2D38B9F9F" bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
); 100
|
||
<normalizedToken id="FE4F8B62B6A057541A26C0475E4955EE" originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis id="3905CBA7DAE5C588143034BD9F105E41" bold="true" pageId="0" pageNumber="1">H</emphasis>
|
||
); 1 mm (
|
||
<emphasis id="1C8AC3C7B88E537B8F81A8F7692646BA" bold="true" pageId="0" pageNumber="1">I</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="F47274D2C306FD6E1160993A5CCF57B8" pageId="0" pageNumber="1">
|
||
Prostomium elongate, conical with small acute terminal palpode (
|
||
<figureCitation id="AD16B4F8B59E117B0D92E4B63B0EEF7F" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12C</figureCitation>
|
||
). Eyes not observed. Nuchal organs rounded, laterally on posterior part of prostomium. Peristomium indistinct. Anterior prechaetigerous region of body with three elongated achaetous segments, detected upon observation of three lateral organs under SEM; lateral organs detected in all chaetigers under SEM (
|
||
<figureCitation id="5843D46A0E4B0F203D9745DB982E012C" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12D, E</figureCitation>
|
||
). Parapodia rudimentary, biramous, embedded in lateral grooves; no distinct pre- or postschaetal lobes.
|
||
</paragraph>
|
||
<paragraph id="CE6358C025FE03C86B07E0318C96BC3F" pageId="0" pageNumber="1">
|
||
Chaetae all slender, smooth capillaries (
|
||
<figureCitation id="3895356C9DBF09003369E03C7B5BA057" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12F</figureCitation>
|
||
), appear in small numbers in both rami, often broken off entirely. Notochaetae mostly longer than neurochaetae, extremely short chaetae observed in most fasciles under SEM.
|
||
</paragraph>
|
||
<paragraph id="F42815A6040D26525638D7B0F8F1FC99" pageId="0" pageNumber="1">
|
||
Branchiae absent. Anal tube not observed in preserved specimens (e.g.
|
||
<figureCitation id="EC9E8B6FE97D7A3C747FD7A77AB90F25" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12H</figureCitation>
|
||
), but possibly captured in image of
|
||
<normalizedToken id="BA05CF148AEB34526893D5DD0224EE08" originalValue="“live”">"live"</normalizedToken>
|
||
specimen NHM_473 (
|
||
<figureCitation id="414D60A6E377E01DBEEDC918BF98DA09" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12G</figureCitation>
|
||
). Observed anal tube cylindrical, relatively short (only slightly longer than wide); with very long thin ventral cirrus attached subdistally on ventral side of anal funnel. Stained specimens without distinct pattern (
|
||
<figureCitation id="AF47BFA6B18F8D5823CF34490D9ACEDE" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12I</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="EAA510768BF83418DE3F36DAF1F1534C" pageId="0" pageNumber="1" type="genetic data">
|
||
<paragraph id="8EE864A89321E2A8D22AC5F982AC6CC6" pageId="0" pageNumber="1">Genetic data.</paragraph>
|
||
<paragraph id="0398037C702DE51D175100278615D854" pageId="0" pageNumber="1">
|
||
GenBank MN217436-MN217442 for 16S, MN217503 for 18S and MN217521-MN217523 for COI. In our phylogenetic analyses,
|
||
<taxonomicName id="CF860ADB99C87F826DACB053555BDE80" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina ganae" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="ganae">
|
||
<emphasis id="E5C69BC8CB1481056BC1455FD2B64C18" italics="true" pageId="0" pageNumber="1">Ophelina ganae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is sister to
|
||
<taxonomicName id="3A5BC3773D1EFE00147F91475AF317B7" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina abranchiata" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="abranchiata">Ophelina cf. abranchiata</taxonomicName>
|
||
(NHM_1769) and form a well-supported clade with this species and
|
||
<taxonomicName id="F9D80BF7C11BA0B1485291DED6359215" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina abranchiata" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="abranchiata">Ophelina cf. abranchiata</taxonomicName>
|
||
(NHM_2017) together with at least two other abranchiate species (
|
||
<figureCitation id="1A6DC52CA47C1C1BD32AABA51A683B0D" captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Phylogenetic analysis of Opheliidae. 50 % majority rule tree from the Bayesian analyses using 18 S and 16 S, with posterior probability values on nodes. Twenty-nine taxa from GenBank were included, and Capitellidae and Echiura was chosen as outgroup following the annelid phylogeny of Weigert and Bleidorn (2016)." figureDoi="10.3897/zookeys.883.36193.figure23" httpUri="https://binary.pensoft.net/fig/350275" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure23">Fig. 23</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="AEB3688520D6CE0FAE8BA0702235A6DD" pageId="0" pageNumber="1" type="remarks">
|
||
<paragraph id="16DE2EE0AA53045FBDC87A07F0101E2E" pageId="0" pageNumber="1">Remarks.</paragraph>
|
||
<paragraph id="C18C87C297EEF52ADDDC1E437A08C6AA" pageId="0" pageNumber="1">
|
||
Molecular analysis of the UKSR-collected material revealed presence of three distinct small abranchiate species that morphologically resemble
|
||
<taxonomicName id="D68810830D8DEABCCBCD5ED455ADDBF8" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina abranchiata" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="abranchiata">
|
||
<emphasis id="84BD54858677A5B6A9C24C0D5437EB4D" italics="true" pageId="0" pageNumber="1">Ophelina abranchiata</emphasis>
|
||
</taxonomicName>
|
||
. Given the taxonomic problems of this species, the challenge is not only to morphologically distinguish these species from each other, but also from
|
||
<taxonomicName id="98493068E0C074E3216F5D103B9084D8" lsidName="O. abranchiata" pageId="0" pageNumber="1" rank="species" species="abranchiata">
|
||
<emphasis id="27113B295730D3EF8FFF5E5F61593026" italics="true" pageId="0" pageNumber="1">O. abranchiata</emphasis>
|
||
</taxonomicName>
|
||
. Here, we restrict the definition of
|
||
<taxonomicName id="D666D5E1235AA306F4FC98B5E8E74A22" lsidName="O. abranchiata" pageId="0" pageNumber="1" rank="species" species="abranchiata">
|
||
<emphasis id="BCB518CBC7449A48E262EC169C3750A0" italics="true" pageId="0" pageNumber="1">O. abranchiata</emphasis>
|
||
</taxonomicName>
|
||
to that provided by
|
||
<bibRefCitation id="1CFBF8C72FC71D037FEE20636B501D5A" DOI="https://doi.org/10.1080/11250003.2011.606658" author="Kongsrud, JA" journalOrPublisher="Italian Journal of Zoology" pageId="0" pageNumber="1" pagination="95 - 111" refId="B54" refString="Kongsrud, JA, Bakken, T, Oug, E, 2011. Deep-water species of the genus Ophelina (Annelida, Opheliidae) in the Nordic Seas, with the description of Ophelinabrattegardi sp. nov. Italian Journal of Zoology 78: 95 - 111" title="Deep-water species of the genus Ophelina (Annelida, Opheliidae) in the Nordic Seas, with the description of Ophelinabrattegardi sp. nov." url="https://doi.org/10.1080/11250003.2011.606658" volume="78" year="2011">Kongsrud et al. (2011)</bibRefCitation>
|
||
based on re-description of holotype and material from the North Sea as consistently possessing 18 chaetigers only. Therefore, the new species is differentiated from
|
||
<taxonomicName id="18BE03B6EDEF1520A3F2FEDED42855CA" lsidName="O. abranchiata" pageId="0" pageNumber="1" rank="species" species="abranchiata">
|
||
<emphasis id="7B8429F44322C7344EFC4EB3E56D1EB8" italics="true" pageId="0" pageNumber="1">O. abranchiata</emphasis>
|
||
</taxonomicName>
|
||
by possessing 17 chaetigers only in all observed specimens. Furthermore, the photograph of live specimen (
|
||
<figureCitation id="C8A06B00DAEDB7D7DE3D2BA5830339BA" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Ophelina ganae sp. nov. A Lab image, whole specimen (holotype [specimen NHM _ 1137] B Live images, whole specimens (holotype [bottom], paratype NHM _ 598 [middle], paratype NHM _ 1309 [top]) C Lab image, detail of palpode (holotype) D SEM image, second chaetiger with lateral organ (paratype NHM _ 1309, lo = lateral organ) E SEM images, lateral organs, (a) pre-chaetigerous segment, (b) chaetiger 1, (c) chaetiger 2, (d) chaetiger 17 (last chaetiger) (paratype NHM _ 1309) F Lab image, detail of capillary chaetae (holotype) G Live image, with detail of potential anal funnel (specimen NHM _ 473, vc = potential ventral cirrus). H Lab image, detail of posterior (holotype) I Lab image, whole specimen (paratype NHM _ 598, stained). Morphological features in plates G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (C); 20 μm (D); 5 μm (E); 50 μm (F); 100 μm (H); 1 mm (I)." figureDoi="10.3897/zookeys.883.36193.figure12" httpUri="https://binary.pensoft.net/fig/350264" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure12">Fig. 12G</figureCitation>
|
||
) suggests possible presence of much shorter anal tube compared to elongated anal tubes observed in
|
||
<taxonomicName id="7E669D07947D16513CD6C4C7477719BA" lsidName="O. abranchiata" pageId="0" pageNumber="1" rank="species" species="abranchiata">
|
||
<emphasis id="C6021971736356A3B7D0EA12E4A409B3" italics="true" pageId="0" pageNumber="1">O. abranchiata</emphasis>
|
||
</taxonomicName>
|
||
. This would represent another distinguishing character from the known species. We believe this structure to represent anal tube as it follows the chaetigerous regions of the body (i.e. the body is not interrupted immediately after the last chaetiger as it is common in
|
||
<taxonomicName id="18E72AFC3C45C4001C495C19D798149E" lsidName="O. abranchiata" pageId="0" pageNumber="1" rank="species" species="abranchiata">
|
||
<emphasis id="CF109ACF9747C667A280971C560DF8BD" italics="true" pageId="0" pageNumber="1">O. abranchiata</emphasis>
|
||
</taxonomicName>
|
||
when the anal funnels are missing). There also appear to be very long thin cirrus attached subdistally on ventral side and such structure is present in anal tubes of
|
||
<taxonomicName id="7DD1FE454AACF6FE1BBCD91C2962AD84" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina abranchiata" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="abranchiata">
|
||
<emphasis id="510A4EEBB34B607ACE3FDA3410A4C2E9" italics="true" pageId="0" pageNumber="1">Ophelina abranchiata</emphasis>
|
||
</taxonomicName>
|
||
. However, this conclusion is only tentative given the lack of anal tube in all preserved specimens of the newly described species and it is based on observation from the photograph only. See further discussion on specimens identified as
|
||
<taxonomicName id="1F76A2B971AF102AB720A8FC4FFA5CF4" class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina abranchiata" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="abranchiata">Ophelina cf. abranchiata</taxonomicName>
|
||
later in this text.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="5C8EFC88279804557DFBE42108F217CA" pageId="0" pageNumber="1" type="ecology">
|
||
<paragraph id="861810A4B398DC78B4DE136276D7A578" pageId="0" pageNumber="1">Ecology.</paragraph>
|
||
<paragraph id="2530C2224E17F01F35B1606DBB044C95" pageId="0" pageNumber="1">Found in polymetallic nodule province of the eastern CCZ.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="2ACDE1A42AE994866F5519313669CF83" pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph id="FE82F87F646E94BF385599FFD4B148F5" pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph id="7F94F27B1CC4761291E3E182D1A09CC7" pageId="0" pageNumber="1">
|
||
Named in honor of Bin Qi Gan, member of the science party of the ABYSSLINE AB02 cruise onboard the RV
|
||
<emphasis id="0E49AC545FFD3E9D4810072E7D47B600" italics="true" pageId="0" pageNumber="1">Thomas G. Thompson</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |