277 lines
26 KiB
XML
277 lines
26 KiB
XML
<document 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="10F31301A64354F7AED3E67659321BCC" docLanguage="en" docName="ZooKeys 883: 1-82" docOrigin="ZooKeys 883" docSource="http://dx.doi.org/10.3897/zookeys.883.36193" docTitle="Ophelina sp. (NHM _ 1331" docType="treatment" docVersion="5" 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="1668167974120" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>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:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wiklund, Helena</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Neal, Lenka</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Glover, Adrian G.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Drennan, Regan</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Muriel Rabone,</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Dahlgren, Thomas G.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>883</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>82</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.883.36193</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.883.36193</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-883-1</mods:identifier>
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<mods:identifier type="ZooBank">7ABDE7F0DD424B968A1380E1E59B1515</mods:identifier>
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<mods:identifier type="Pensoft-UUID">EAC9B5058CE55C5AA9A344F6FEFA25D5</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159909651" LSID="urn:lsid:plazi:treatment:10F31301A64354F7AED3E67659321BCC" httpUri="http://treatment.plazi.org/id/10F31301A64354F7AED3E67659321BCC" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="10F31301-A643-54F7-AED3-E67659321BCC" authority="sp. (NHM _ 1331)" class="Polychaeta" family="Capitellidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" order="Capitellida" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">Ophelina sp. (NHM_1331)</taxonomicName>
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">
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Fig. 22
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<normalizedToken originalValue="A–G">A-G</normalizedToken>
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</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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NHM_1331 NHMUK ANEA 2019.7115, coll. 01 Mar. 2015,
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<geoCoordinate 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 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/06d48d7f-7339-4cc5-8445-b51a980e4e0f.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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This species is represented by a single complete specimen in relatively good condition. Specimen about 4.5 mm long and 0.5 mm wide for about 28 chaetigers. Body cylindrical and smooth with some annulation detectable (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">
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Fig. 22
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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</figureCitation>
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). Ventral and lateral grooves distinct throughout body. Preserved specimen yellow in ethanol; live specimen translucent, with yellow gut (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">Fig. 22C</figureCitation>
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); everted nuchal organs with golden brown pigment (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">
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Fig. 22
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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</figureCitation>
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). Chaetigers crowded in anterior part of the body and posterior part of the body (the last four chaetigers), elongated in the mid-section of the body.
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</paragraph>
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<caption doi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" start="Figure 22" startId="F22">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 22.</emphasis>
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
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</taxonomicName>
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sp. NHM_1331 (specimen NHM_1331).
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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Lab image, whole specimen, dorsal view (faded stain)
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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Lab image, whole specimen, lateral view (faded stain)
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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Live image, whole specimen
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<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
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Lab image, anterior (faded stain, br = branchiae, no = nuchal organ)
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<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
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Lab image, detail of anterior (br = branchiae, no = nuchal organ)
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<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
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Lab image, posterior, anal funnel (br = branchiae)
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<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
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Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates
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<emphasis bold="true" pageId="0" pageNumber="1">
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B,
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<normalizedToken originalValue="D–G">D-G</normalizedToken>
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</emphasis>
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have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm(
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<emphasis bold="true" pageId="0" pageNumber="1">A, B</emphasis>
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); 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="1">E, G</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="1">
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Prostomium of preserved specimen conical, broad (only slightly longer than wide) and anteriorly bluntly rounded; palpode not observed (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">Fig. 22D, E</figureCitation>
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). Nuchal organs laterally on posterior part of prostomium, everted, round with golden brown pigment observable even in preserved specimen.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Branchiae present; with disjointed distribution, with three pairs on chaetigers 2-4 (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">Fig. 22D, E</figureCitation>
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) and three pairs in posterior region on chaetigers 21-24 (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">Fig. 22F, G</figureCitation>
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); branchiae in other chaetigers not observed, branchiae considered absent in the last four crowded chaetigers. All branchiae cirriform, of similar length.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">Parapodia distinct, biramous; embedded in lateral grooves on chaetigers 1-24; no distinct pre- or postchaetal lobes. Chaetae are capillaries only; all very long but longest on chaetiger 1 where they are nearly twice the length of chaetae of subsequent chaetigers.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Anal tube attached, but not well preserved; cylindrical; appears distally asymmetrical with dorsal lobe overlapping the ventral lobe (but this may be an artefact of poor preservation) (
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ophelina sp. NHM _ 1331 (specimen NHM _ 1331). A Lab image, whole specimen, dorsal view (faded stain) B Lab image, whole specimen, lateral view (faded stain) C Live image, whole specimen D Lab image, anterior (faded stain, br = branchiae, no = nuchal organ) E Lab image, detail of anterior (br = branchiae, no = nuchal organ) F Lab image, posterior, anal funnel (br = branchiae) G Lab image, detail of posterior and anal funnel (br = branchiae). Morphological features in plates B, D-G have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, B); 100 μm (E, G)." figureDoi="10.3897/zookeys.883.36193.figure22" httpUri="https://binary.pensoft.net/fig/350274" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure22">Fig. 22F, G</figureCitation>
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); cirrus not observed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="genetic data">
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<paragraph pageId="0" pageNumber="1">Genetic data.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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GenBank MN217465 for 16S and MN217510 for 18S. COI was unsuccessful for this specimen, no identical GenBank matches for 16S or 18S. In our phylogenetic tree,
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
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</taxonomicName>
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sp. (NHM_1331) is sister to "
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
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</taxonomicName>
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sp. F14588" forming a clade with the taxa
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina cylindricaudata" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="cylindricaudata">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina cylindricaudata</emphasis>
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</taxonomicName>
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from the Atlantic (New England) and
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
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</taxonomicName>
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sp. (NHM_689) (
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<figureCitation 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>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.883.36193.figure23" httpUri="https://binary.pensoft.net/fig/350275" pageId="0" pageNumber="1" start="Figure 23" startId="F23">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 23.</emphasis>
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Phylogenetic analysis of
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<taxonomicName family="Opheliidae" lsidName="" pageId="0" pageNumber="1" rank="family">Opheliidae</taxonomicName>
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. 50% majority rule tree from the Bayesian analyses using 18S and 16S, with posterior probability values on nodes. Twenty-nine taxa from GenBank were included, and
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<taxonomicName family="Capitellidae" lsidName="" pageId="0" pageNumber="1" rank="family">Capitellidae</taxonomicName>
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and
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<taxonomicName lsidName="" pageId="0" pageNumber="1" phylum="Echiura" rank="phylum">Echiura</taxonomicName>
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was chosen as outgroup following the annelid phylogeny of
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<bibRefCitation DOI="https://doi.org/10.1007/s13127-016-0265-7" author="Weigert, A" journalOrPublisher="Zoosymposia" pageId="0" pageNumber="1" refId="B97" refString="Weigert, A, Bleidorn, C, 2016. .https://doi.org/10.1007/s13127-016-0265-7" url="https://doi.org/10.1007/s13127-016-0265-7" year="2016">Weigert and Bleidorn (2016)</bibRefCitation>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="remarks">
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<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Morphologically,
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
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</taxonomicName>
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sp. (NHM_1331) is similar to
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<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
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</taxonomicName>
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sp. (NHM_689) in having a broad prostomium and very long chaetae on chaetiger 1. Their branchiae appear to be arranged in a similar pattern (three pairs are present in chaetigers 2-5 and then few pairs present in posterior chaetigers). Nuchal organs are not everted in
|
||
<taxonomicName genus="O." lsidName="O." pageId="0" pageNumber="1" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O.</emphasis>
|
||
</taxonomicName>
|
||
sp. (NHM_689). They may differ in number of chaetigers, although this is difficult to establish due to damage of
|
||
<taxonomicName genus="O." lsidName="O." pageId="0" pageNumber="1" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O.</emphasis>
|
||
</taxonomicName>
|
||
sp. (NHM_689), anal tube has not been observed in
|
||
<taxonomicName genus="O." lsidName="O." pageId="0" pageNumber="1" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O.</emphasis>
|
||
</taxonomicName>
|
||
sp. (NHM_689) (assumed missing) and cannot be compared.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Of known species of
|
||
<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Ophelina</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName genus="O." lsidName="O." pageId="0" pageNumber="1" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O.</emphasis>
|
||
</taxonomicName>
|
||
sp. (NHM_1331) is similar to a group with 28 chaetigers and four posterior parapodia crowded:
|
||
<taxonomicName lsidName="O. cylindricaudata" pageId="0" pageNumber="1" rank="species" species="cylindricaudata">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. cylindricaudata</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName lsidName="O. breviata" pageId="0" pageNumber="1" rank="species" species="breviata">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. breviata</emphasis>
|
||
</taxonomicName>
|
||
(Ehlers, 1913) and
|
||
<taxonomicName lsidName="O. brattegardi" pageId="0" pageNumber="1" rank="species" species="brattegardi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. brattegardi</emphasis>
|
||
</taxonomicName>
|
||
<bibRefCitation 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>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
The lack of branchiae in midbody has been described in some of these species, but for
|
||
<taxonomicName lsidName="O. cylindricaudata" pageId="0" pageNumber="1" rank="species" species="cylindricaudata">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. cylindricaudata</emphasis>
|
||
</taxonomicName>
|
||
this has been clarified as a mistake in the original description.
|
||
<bibRefCitation 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>
|
||
reported that branchiae in the mid-body region may be present in
|
||
<taxonomicName lsidName="O. cylindricaudata" pageId="0" pageNumber="1" rank="species" species="cylindricaudata">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. cylindricaudata</emphasis>
|
||
</taxonomicName>
|
||
but are often reduced in size and when they are lacking there is no consistent pattern. The absence of branchiae is considered
|
||
<normalizedToken originalValue="“true”">"true"</normalizedToken>
|
||
in
|
||
<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina chaetifera" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="chaetifera">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Ophelina chaetifera</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Hartman, O" journalOrPublisher="Occasional Papers of the Allan Hancock Foundation" pageId="0" pageNumber="1" pagination="1 - 384" refId="B43" refString="Hartman, O, 1965. Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Occasional Papers of the Allan Hancock Foundation 28: 1 - 384" title="Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas." volume="28" year="1965">Hartman 1965</bibRefCitation>
|
||
), described from the deep Atlantic (1330-5007 m) and
|
||
<taxonomicName lsidName="O. brattegardi" pageId="0" pageNumber="1" rank="species" species="brattegardi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. brattegardi</emphasis>
|
||
</taxonomicName>
|
||
described from Iceland Sea (off East Greenland) in 1600 m depth. The UKSR species differs from both in having broad, anteriorly blunt prostomium.
|
||
<taxonomicName class="Polychaeta" family="Opheliidae" genus="Ophelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophelina chaetifera" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="chaetifera">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Ophelina chaetifera</emphasis>
|
||
</taxonomicName>
|
||
further differs in having only 26 chaetigers. However, with only single specimen available for examination, we cannot establish
|
||
<normalizedToken originalValue="“true”">"true"</normalizedToken>
|
||
branchial distribution in UKSR samples.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |