367 lines
42 KiB
XML
367 lines
42 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="30598BA5EF7856869C12AF76FA98A389" docLanguage="en" docName="ZooKeys 883: 1-82" docOrigin="ZooKeys 883" docSource="http://dx.doi.org/10.3897/zookeys.883.36193" docTitle="Oligobregma tani Wiklund, Neal, Glover, Drennan, Rabone & Dahlgren, 2019, sp. nov." docType="treatment" docUuid="EB95F031-2A2D-449D-8F2A-114EC628C9D2" docUuidSource="ZooBank" 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="159909646" LSID="urn:lsid:zoobank.org:act:EB95F031-2A2D-449D-8F2A-114EC628C9D2" httpUri="http://treatment.plazi.org/id/30598BA5EF7856869C12AF76FA98A389" 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="30598BA5-EF78-5686-9C12-AF76FA98A389" class="Polychaeta" family="Capitellidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma tani" order="Capitellida" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="tani">Oligobregma tani</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">
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Fig. 26
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<normalizedToken originalValue="A–J">A-J</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_773A (
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<emphasis bold="true" pageId="0" pageNumber="1">paratype</emphasis>
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) NHMUK ANEA 2019.7156, coll. 20 Feb. 2015,
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<geoCoordinate 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 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/4b673a6a-9090-4c24-a4eb-231190507b60; NHM_1454
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<emphasis bold="true" pageId="0" pageNumber="1">(holotype)</emphasis>
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NHMUK ANEA 2019.7157, coll. 03 Mar. 2015,
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<geoCoordinate degrees="12" direction="north" minutes="27.26" orientation="latitude" precision="9" value="12.454333">12°27.26N</geoCoordinate>
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,
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<geoCoordinate degrees="116" direction="west" minutes="36.77" orientation="longitude" precision="9" value="-116.61283">116°36.77W</geoCoordinate>
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, 4137 m http://data.nhm.ac.uk/object/67d3f58a-9c13-423e-93b7-3ddcf98a361e; NHM_1480J NHMUK ANEA 2019.7158, coll. 03 Mar. 2015,
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<geoCoordinate degrees="12" direction="north" minutes="27.26" orientation="latitude" precision="9" value="12.454333">12°27.26N</geoCoordinate>
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,
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<geoCoordinate degrees="116" direction="west" minutes="36.77" orientation="longitude" precision="9" value="-116.61283">116°36.77W</geoCoordinate>
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, 4137 m http://data.nhm.ac.uk/object/d47f17aa-c0c1-44f0-a448-d3f3c395fc47; NHM_1665 (
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<emphasis bold="true" pageId="0" pageNumber="1">paratype</emphasis>
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) NHMUK ANEA 2019.7159, coll. 10 Mar. 2015,
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<geoCoordinate degrees="12" direction="north" minutes="21.81" orientation="latitude" precision="9" value="12.3635">12°21.81N</geoCoordinate>
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,
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<geoCoordinate degrees="116" direction="west" minutes="40.86" orientation="longitude" precision="9" value="-116.681">116°40.86W</geoCoordinate>
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, 4233 m http://data.nhm.ac.uk/object/eca166ae-3fe0-4367-860f-08c7410165dd.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="type locality">
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<paragraph pageId="0" pageNumber="1">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Pacific Ocean, CCZ,
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<geoCoordinate degrees="12" direction="north" minutes="27.26" orientation="latitude" precision="9" value="12.454333">12°27.26N</geoCoordinate>
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,
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<geoCoordinate degrees="116" direction="west" minutes="36.77" orientation="longitude" precision="9" value="-116.61283">116°36.77W</geoCoordinate>
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, depth 4137 m, in mud between polymetallic nodules.
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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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Small species, represented by four posteriorly incomplete specimens, 4-4.5 mm long and 0.4-0.7 mm wide. Holotype posteriorly incomplete, but otherwise in good condition, 4.5 mm long and 0.7 mm wide at the widest point for 18 chaetigers long fragment. Colour in alcohol creamy white, without body pigment (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26A</figureCitation>
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); live specimens semi-translucent (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26B</figureCitation>
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). Anterior body segments appears smooth, annulation of raised pads detected best upon staining (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">
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Fig. 26
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<normalizedToken originalValue="C–E">C-E</normalizedToken>
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</figureCitation>
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) revealing chaetigers 1-4 with two transverse rows of relatively large lobes; subsequent chaetigers may be tri-annulate, but epithelium with mostly with wrinkled appearance till end of fragment (chaetiger 18) (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">
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Fig. 26
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<normalizedToken originalValue="B–E">B-E</normalizedToken>
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</figureCitation>
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).Ventral midline on venter not too prominent, from chaetiger 2, composed of a row of large pads within a groove (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26E</figureCitation>
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). Branchiae absent.
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</paragraph>
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<caption doi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" start="Figure 26" startId="F26">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 26.</emphasis>
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<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma tani" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="tani">
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<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma tani</emphasis>
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</taxonomicName>
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sp. nov. holotype (specimen NHM_1454).
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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Lab image, whole specimen (pre-stain,)
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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Live image, whole specimen
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring)
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<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
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Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring)
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<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
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Lab image, ventral anterior, (stained, vm = ventral midline)
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<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
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Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla)
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<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
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Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus)
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<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
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Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel])
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<emphasis bold="true" pageId="0" pageNumber="1">I</emphasis>
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Lab image, detail of capillary and lyrate chaetae on chaetiger 12
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<emphasis bold="true" pageId="0" pageNumber="1">J</emphasis>
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Lab image, detail lyrate chaetae. Morphological features in plates
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<emphasis bold="true" pageId="0" pageNumber="1">F, G</emphasis>
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have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (
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<emphasis bold="true" pageId="0" pageNumber="1">A, C, E</emphasis>
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); 50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="1">
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<normalizedToken originalValue="G–I">G-I</normalizedToken>
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</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 broad (wider than long), nearly oval; with two very prominent, distinctly rounded lobes (horns) emerging from anterior prostomial margin (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26C, D</figureCitation>
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). Eyes absent. Peristomium forming a large smooth ring around prostomium dorso-laterally, with narrow interruption middorsally (
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26C, D</figureCitation>
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). Mouth obscured by everted proboscis in holotype, which is observed as soft inflated sac (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Parapodia biramous; inconspicuous in chaetigers 1-14, becoming conical and prominent from around chaetiger 15. Tiny dorsal cirri detectable from chaetiger 13 in holotype, whereas ventral cirri occur from chaetiger 15; both cirri best developed from chaetigers 16 and 17, remaining small and conical (less than 1/2 the size of corresponding podial lobes) (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26F</figureCitation>
|
||
); without pigmentation; internal glands not detected in few cirri present (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26G</figureCitation>
|
||
). Interramal papilla present, well developed from chaetiger 15 (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Curved acicular spines present in notopodia only on chaetigers 1‒4 (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26H</figureCitation>
|
||
); spines in chaetiger 4 transitional between distinct spines and capillaries. Notopodia with about 14 spines arranged in two rows in chaetigers 1and 2 and with about five spines arranged in one row in chaetigers 3 and 4; spines accompanied posteriorly by single row of capillaries. Spines in chaetigers 1-3 curved, straw-coloured, with hirsute shaft, narrowing to slender, elongated and hirsute tip (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26H</figureCitation>
|
||
); spines in chaetiger 4 transitional, more slender and straighter than in chaetigers 1-3, but with hirsute shafts and shorter unlike accompanying capillaries. Short spinous chaetae anterior to spines not observed. Subsequent chaetigers with long thin capillaries in both rami, but very few present (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26I</figureCitation>
|
||
). Lyrate chaetae likely from chaetiger 5 in both rami, where very short and difficult to observe; best observed from chaetiger 8; accompanied by very few capillaries. Lyrate chaetae initially short but becoming longer and very prominent from around chaetiger 8; with unequal tynes bearing short bristles (
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Oligobregma tani sp. nov. holotype (specimen NHM _ 1454). A Lab image, whole specimen (pre-stain,) B Live image, whole specimen C Lab image, dorsal anterior, (stained, h = prostomial horns, pe = peristomial ring) D Lab image, lateral anterior, (stained, h = prostomial horns, pe = peristomial ring) E Lab image, ventral anterior, (stained, vm = ventral midline) F Lab image, mid-body parapodia (faded stain, dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) G Lab image, detail of dorsal cirrus, with no internal gland visible (dc = dorsal cirrus) H Lab image, detail of hirsute spines on notopodia on chaetiger 1 ([left panel]) I Lab image, detail of capillary and lyrate chaetae on chaetiger 12 J Lab image, detail lyrate chaetae. Morphological features in plates F, G have been outlined with a fine white line to improve clarity of those features. Scale bars: 0.5 mm (A, C, E); 50 μm (G-I)." figureDoi="10.3897/zookeys.883.36193.figure26" httpUri="https://binary.pensoft.net/fig/350278" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure26">Fig. 26I, J</figureCitation>
|
||
), numbering up to 5 or 6 in each ramus. The rest of the body and pygidium unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="genetic data">
|
||
<paragraph pageId="0" pageNumber="1">Genetic data.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
GenBank MN217428-MN217431 for 16S, MN217499 for 18S and MN217518-MN217519 for COI. This species is genetically very similar to one sequence published in
|
||
<bibRefCitation DOI="https://doi.org/10.1371/journal.pone.0117790" author="Janssen, A" journalOrPublisher="Proceedings of the Linnean Society of New South Wales" pageId="0" pageNumber="1" refId="B49" refString="Janssen, A, Kaiser, S, Meissner, K, Brenke, N, Menot, L, Martinez Arbizu, P, 2015. .https://doi.org/10.1371/journal.pone.0117790" url="https://doi.org/10.1371/journal.pone.0117790" year="2015">Janssen et al. (2015)</bibRefCitation>
|
||
, with a K2P value of 0.008 between
|
||
<taxonomicName lsidName="O. tani" pageId="0" pageNumber="1" rank="species" species="tani">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. tani</emphasis>
|
||
</taxonomicName>
|
||
and the already published sequence with accession number KJ736365. The three
|
||
<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma</emphasis>
|
||
</taxonomicName>
|
||
species in this study form a well-supported clade, with
|
||
<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma tani" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="tani">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma tani</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. as sister to
|
||
<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma brasierae" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="brasierae">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma brasierae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. in our phylogenetic analyses (
|
||
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Phylogenetic analysis of Scalibregmatidae and Travisiidae. 50 % majority rule tree from the Bayesian analyses using 18 S and 16 S, with posterior probability values on nodes. Twenty taxa from GenBank were included, and Opheliidae was chosen as outgroup following the annelid phylogeny of Weigert and Bleidorn (2016)." figureDoi="10.3897/zookeys.883.36193.figure32" httpUri="https://binary.pensoft.net/fig/350284" pageId="0" pageNumber="1" tableDoi="10.3897/zookeys.883.36193.figure32">Fig. 32</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="remarks">
|
||
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
The UKSR-collected species is most similar to
|
||
<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma quadrispinosa" pageId="0" pageNumber="1" phylum="Annelida" rank="species" species="quadrispinosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma quadrispinosa</emphasis>
|
||
</taxonomicName>
|
||
described from abyssal Southern Ocean (
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.1391.1.2" author="Schueller, M" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="35 - 45" refId="B88" refString="Schueller, M, Hilbig, B, 2007. Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica). Zootaxa 1391: 35 - 45" title="Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica)." url="https://doi.org/10.11646/zootaxa.1391.1.2" volume="1391" year="2007">
|
||
<normalizedToken originalValue="Schüller">Schueller</normalizedToken>
|
||
and Hilbig 2007
|
||
</bibRefCitation>
|
||
) in having the first four notopodia with acicular spines, lyrate chaetae from chaetiger 5 and podial cirri arising from around chaetiger 13-15. However,
|
||
<taxonomicName lsidName="O. quadrispinosa" pageId="0" pageNumber="1" rank="species" species="quadrispinosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. quadrispinosa</emphasis>
|
||
</taxonomicName>
|
||
differs in the following characters; spines in chaetiger 4 are prominent, stout and not hirstue, while the median and posterior chaetigers bear much larger ventral cirri. The UKSR species also has very prominent round "Mickey Mouse"-like anterior prostomial lobes (observed in all four specimens examined). For comparison with other
|
||
<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma</emphasis>
|
||
</taxonomicName>
|
||
species see Table
|
||
<tableCitation captionStartId="T3" httpUri="http://table.plazi.org/id/DDDBBB22665B828F2F007C593247A004" pageId="0" pageNumber="1" tableUuid="DDDBBB22665B828F2F007C593247A004">3</tableCitation>
|
||
.
|
||
</paragraph>
|
||
<caption ID-Table-UUID="DDDBBB22665B828F2F007C593247A004" httpUri="http://table.plazi.org/id/DDDBBB22665B828F2F007C593247A004" pageId="0" pageNumber="1" start="Table 3" startId="T3">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Table 3.</emphasis>
|
||
Comparison of
|
||
<taxonomicName class="Polychaeta" family="Scalibregmatidae" genus="Oligobregma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligobregma" pageId="0" pageNumber="1" phylum="Annelida" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Oligobregma</emphasis>
|
||
</taxonomicName>
|
||
species with spines in chaetigers 1-4, including the new UKSR-collected species. Information collected from the literature.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<table pageId="0" pageNumber="1">
|
||
<tr pageId="0" pageNumber="1">
|
||
<th colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</th>
|
||
<th colspan="1" pageId="0" pageNumber="1" rowspan="1">Distribution of spines in chaetigers 1-4</th>
|
||
<th colspan="1" pageId="0" pageNumber="1" rowspan="1">Annulation of chaetigers</th>
|
||
<th colspan="1" pageId="0" pageNumber="1" rowspan="1">Appearance of podial cirri</th>
|
||
<th colspan="1" pageId="0" pageNumber="1" rowspan="1">No. of chaetigers</th>
|
||
<th colspan="1" pageId="0" pageNumber="1" rowspan="1">Presence of furcate chaetae</th>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName lsidName="O. simplex" pageId="0" pageNumber="1" rank="species" species="simplex">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. simplex</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1-2 uni-; 3-4 bi-; 5-12 or 15 quadriannulate</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 20-22</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">43 (complete)</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 6</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName lsidName="O. lonchochaeta" pageId="0" pageNumber="1" rank="species" species="lonchochaeta">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. lonchochaeta</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1-4 triannulate</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In posterior chaetigers, detail not given</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">22+ (incomplete)</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In mid and posterior chaetigers</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName lsidName="O. quadrispinosa" pageId="0" pageNumber="1" rank="species" species="quadrispinosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. quadrispinosa</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In notopodia only</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Anterior quadriannulate; posterior with 5 annuli</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 13-14</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">28 (complete)</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 5</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName lsidName="O. brasierae" pageId="0" pageNumber="1" rank="species" species="brasierae">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. brasierae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami, spines hirsute</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Anterior smooth, posterior quadriannulate</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 13-15</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">26 (complete)</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 5</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName lsidName="O. tani" pageId="0" pageNumber="1" rank="species" species="tani">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. tani</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In notopodia only, spines hirsute, transitional in ch. 4</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Not observed</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetigers 13-15</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">18 (incomplete)</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">From chaetiger 5</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">
|
||
<taxonomicName lsidName="O. whaleyi" pageId="0" pageNumber="1" rank="species" species="whaleyi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">O. whaleyi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">In both rami</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Anterior smooth, midbody quadriannulate</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Chaetiger 14</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">26 (incomplete)</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">First observed from chaetiger 11</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="ecology">
|
||
<paragraph pageId="0" pageNumber="1">Ecology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">Found in polymetallic nodule province of the eastern CCZ.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Named in honor of Koh Siang Tan, member of the science party of the ABYSSLINE AB02 cruise onboard the RV
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Thomas G. Thompson</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |