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161 lines
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.587.8188" ID-GBIF-Dataset="a135b58d-52f9-4399-8bec-16b0cb6fb396" ID-PMC="PMC4926705" ID-Pensoft-Pub="1313-2970-587-1" ID-PubMed="27408524" ID-ZBK="0D6F611921674170B56DFD256BAC9C60" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-587-1" ModsDocOrigin="ZooKeys 587" ModsDocTitle="The genus Bebryce (Cnidaria, Octocorallia, Plexauridae) at Japan, with descriptions of three new species" checkinTime="1462952105938" checkinUser="pensoft" docAuthor="Matsumoto, Asako K. & van Ofwegen, Leen P." docDate="2016" docId="A596DF98F575CA8BCCBF1C95BADFDF17" docLanguage="en" docName="ZooKeys 587: 1-20" docOrigin="ZooKeys 587" docSource="http://dx.doi.org/10.3897/zookeys.587.8188" docTitle="Bebryce otsuchiensis Matsumoto & Ofwegen, 2016, sp. n." docType="treatment" docUuid="E4DF6D06-CC14-4469-A19D-3428D656E789" docUuidSource="ZooBank" docVersion="5" lastPageNumber="4" masterDocId="327FFFD7FF93FF8FFFACC61C3B3AFFA9" masterDocTitle="The genus Bebryce (Cnidaria, Octocorallia, Plexauridae) at Japan, with descriptions of three new species" masterLastPageNumber="20" masterPageNumber="1" pageNumber="4" updateTime="1668163079624" 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>The genus Bebryce (Cnidaria, Octocorallia, Plexauridae) at Japan, with descriptions of three new species</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>Matsumoto, Asako K.</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>van Ofwegen, Leen P.</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>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>587</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>20</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.587.8188</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.587.8188</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-587-1</mods:identifier>
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<mods:identifier type="ZBK">0D6F611921674170B56DFD256BAC9C60</mods:identifier>
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<mods:identifier type="ZooBank">0D6F611921674170B56DFD256BAC9C60</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127896578" LSID="urn:lsid:zoobank.org:act:E4DF6D06-CC14-4469-A19D-3428D656E789" httpUri="http://treatment.plazi.org/id/A596DF98F575CA8BCCBF1C95BADFDF17" lastPageNumber="4" pageId="3" pageNumber="4">
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<subSubSection pageId="3" pageNumber="4" type="multiple">
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<paragraph pageId="3" pageNumber="4">Taxon classification Animalia Alcyonacea Plexauridae</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="nomenclature">
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<paragraph pageId="3" pageNumber="4">
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<taxonomicName LSID="http://zoobank.org/E4DF6D06-CC14-4469-A19D-3428D656E789" class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce otsuchiensis" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="otsuchiensis">Bebryce otsuchiensis</taxonomicName>
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<taxonomicNameLabel pageId="3" pageNumber="4">sp. n.</taxonomicNameLabel>
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Figures 1, 2c, 3, 4, 5, 6
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="materials_examined">
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<paragraph pageId="3" pageNumber="4">Material examined.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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Holotype RMNH Coel. 42072 (AKM 703), Entrance of Otsuchi Bay, Iwate Prefecture, Japan,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="39.36342">39°21.8052'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="142.00125">142°00.0750'E</geoCoordinate>
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-
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="39.367786">39°22.0672'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="141.99936">141°59.9619'E</geoCoordinate>
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, depth 67-81 m, RV Yayoi, st. 2, 1 m biological dredge, coll. A.K. Matsumoto, 23 May 2006; paratypes RMNH Coel. 42073 (AKM 531), Otsuki, Tosa, Kochi Prefecture, Japan,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="32.569">32°34.14'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="132.80983">132°48.59'E</geoCoordinate>
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-
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="32.569668">32°34.18'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="132.79216">132°47.53'E</geoCoordinate>
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, depth range 117-125 m, local
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<normalizedToken originalValue="fishermen’s">fishermen's</normalizedToken>
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boat Kiryo-maru, st. 2, coral net, coll. A.K. Matsumoto, 7 October 2004; RMNH Coel. 42074 (AKM 1628), Otsuki, Tosa, Kochi prefecture, Japan,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="32.627666">32°37.66'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="132.84067">132°50.44'E</geoCoordinate>
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-
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="32.626">32°37.56'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="132.798">132°47.88'E</geoCoordinate>
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, depth 114 m, local
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<normalizedToken originalValue="fishermen’s">fishermen's</normalizedToken>
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boat Kiryo-maru, st. 1, coral net, coll. A.K. Matsumoto, 7 October 2004; RMNH Coel. 42075 (AKM 943), Toshima I., Izu Is., Japan,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="34.551838">34°33.1102'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="139.29018">139°17.4102'E</geoCoordinate>
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-
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="34.560875">34°33.6524'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="139.29454">139°17.6725'E</geoCoordinate>
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, depth 143 m, RV Tansei-maru, KT07-31 cruise (Kuramochi leg), st. 22 (L-3-100), chain bag dredge, coll. A.K. Matsumoto, 27 November 2007.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="description">
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<paragraph pageId="3" pageNumber="4">Description.</paragraph>
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<paragraph pageId="3" pageNumber="4">The holotype RMNH Coel. 42072 consists of two branches, both 4 cm long. (Figure 2c). The calyces are placed spirally all around the slender branches, which are about 1 mm wide. The dome-shaped calyces are about 1 mm wide and high.</paragraph>
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<paragraph pageId="3" pageNumber="4">The anthocodiae are armed with a crown and points consisting of a transverse crown with curved, rather smooth spindles up to 0.40 mm long (Figure 3a) and eight points formed by spindles 0.35 mm long (Figure 3b) placed in a chevron-like pattern beneath the tentacles. These spindles have simple tubercles and a distal spiny end. The tentacles contain flattened, dragon wing sclerites up to 0.2 mm long (Figure 3c).</paragraph>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figure 3.
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce otsuchiensis" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="otsuchiensis">Bebryce otsuchiensis</taxonomicName>
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sp. n., holotype (RMNH Coel. 42072) a collaret spindles b point spindles c tentacle sclerites d rosettes of outer surface of coenenchyme e asymmetrical rosettes from calyx rim.
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</paragraph>
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</caption>
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<paragraph pageId="3" pageNumber="4">The sclerites of the outer surface of coenenchyme and calyces are rosettes consisting of a cup-shaped thorny projection arising from a warty base. Several of these are up to 0.10 mm long and have a widely flared calyx part of about 0.10 mm in greatest diameter with slightly serrated rim with a few blunt processes, joined by a smooth, slender stem to a warty base narrower than the calyx (Figure 3d); others do not flare out (Figure 4c). The rosettes become asymmetrical toward the calycular apertures (Figure 3e), with the calyx margin becoming elongated and forming a blade-like process that projects from the surface and surrounds the calycular aperture. These sclerites are up to 0.20 mm long.</paragraph>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figure 4.
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce otsuchiensis" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="otsuchiensis">Bebryce otsuchiensis</taxonomicName>
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sp. n., holotype (RMNH Coel. 42072)
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<normalizedToken originalValue="a–b">a-b</normalizedToken>
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3-6 rayed stellate plates of deeper layer of coenenchyme c rosettes of outer surface of coenenchyme.
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</paragraph>
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</caption>
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<paragraph pageId="3" pageNumber="4">The deeper layer of coenenchyme contains stellate plates, 3-6 rayed forms up to 0.15 mm in the greater diameter, with a central process (Figure 4a). Most are weakly tuberculated (Figure 4a) but several are more tuberculated towards the end of the rays (Figure 4b).</paragraph>
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<paragraph pageId="3" pageNumber="4">Colour. The holotype is light brown.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="etymology">
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<paragraph pageId="3" pageNumber="4">Etymology.</paragraph>
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<paragraph pageId="3" pageNumber="4">Named after the type locality, Otsuchi Bay.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="variation">
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<paragraph pageId="3" pageNumber="4">Variation.</paragraph>
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<paragraph pageId="3" pageNumber="4">RMNH Coel. 42074 (AKM 1628) has slightly wider point sclerites, collaret spindles heavier tuberculate, and more tuberculate stellate plates (Figures 5-6).</paragraph>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figure 5.
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce otsuchiensis" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="otsuchiensis">Bebryce otsuchiensis</taxonomicName>
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sp. n., paratype (RMNH Coel. 42074) a collaret spindles b point spindle c tentacle sclerites d asymmetrical rosettes from calyx rim e rosette of outer surface of coenenchyme.
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</paragraph>
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</caption>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figure 6.
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce otsuchiensis" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="otsuchiensis">Bebryce otsuchiensis</taxonomicName>
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sp. n., paratype (RMNH Coel. 42074) a 3-6 rayed stellate plates of deeper layer of coenenchyme b rosettes of outer surface of coenenchyme.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="comparisons">
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<paragraph pageId="3" pageNumber="4">Comparisons.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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The species mostly resembles
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce harpy" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="harpy">Bebryce harpy</taxonomicName>
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Grasshoff, 1999, regarding the blunt processes of the rosettes. It differs in overall having less tuberculate sclerites.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="remarks">
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<paragraph pageId="3" pageNumber="4">Remarks.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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This is the northernmost species of
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="genus">Bebryce</taxonomicName>
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. It has a very wide distribution from North to South Japan, and is only found in the warm Kuroshio Current area, in the depth range 67-143 m. This species also represents the northernmost record of the genus
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<taxonomicName class="Anthozoa" family="Plexauridae" genus="Bebryce" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bebryce" order="Alcyonacea" pageId="3" pageNumber="4" phylum="Cnidaria" rank="genus">Bebryce</taxonomicName>
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, and the first from north of 39°N latitude.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |