168 lines
15 KiB
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168 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.615.9530" ID-GBIF-Dataset="0cfdbfdc-9286-4525-a696-b808b98dc9ca" ID-PMC="PMC5027775" ID-Pensoft-Pub="1313-2970-615-1" ID-PubMed="27667938" ID-ZBK="3C47DE97A10E4688A92A29F7F6155B72" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-615-1" ModsDocOrigin="ZooKeys 615" ModsDocTitle="Sphaerodoridae (Annelida) of the deep Northwestern Atlantic, including remarkable new species of Euritmia and Sphaerephesia" checkinTime="1473279503808" checkinUser="pensoft" docAuthor="Capa, Maria, Osborn, Karen J. & Bakken, Torkild" docDate="2016" docId="F17A7D1C2252F2FAE7C1D20DC22793D5" docLanguage="en" docName="ZooKeys 615: 1-32" docOrigin="ZooKeys 615" docSource="http://dx.doi.org/10.3897/zookeys.615.9530" docTitle="Euritmia carolensis Capa, Osborn & Bakken, 2016, sp. n." docType="treatment" docUuid="BCB8304D-75F9-4566-A619-6BA3606B6469" docUuidSource="ZooBank" docVersion="5" lastPageNumber="11" masterDocId="FFA52D6FFFCDDC61F74C476EFFF5FFD2" masterDocTitle="Sphaerodoridae (Annelida) of the deep Northwestern Atlantic, including remarkable new species of Euritmia and Sphaerephesia" masterLastPageNumber="32" masterPageNumber="1" pageNumber="7" updateTime="1668163474610" 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>Sphaerodoridae (Annelida) of the deep Northwestern Atlantic, including remarkable new species of Euritmia and Sphaerephesia</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>Capa, Maria</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>Osborn, Karen J.</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>Bakken, Torkild</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>615</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>32</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.615.9530</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.615.9530</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-615-1</mods:identifier>
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<mods:identifier type="ZBK">3C47DE97A10E4688A92A29F7F6155B72</mods:identifier>
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<mods:identifier type="ZooBank">3C47DE97A10E4688A92A29F7F6155B72</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127864319" LSID="urn:lsid:zoobank.org:act:BCB8304D-75F9-4566-A619-6BA3606B6469" httpUri="http://treatment.plazi.org/id/F17A7D1C2252F2FAE7C1D20DC22793D5" lastPageId="10" lastPageNumber="11" pageId="6" pageNumber="7">
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<subSubSection pageId="6" pageNumber="7" type="multiple">
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<paragraph pageId="6" pageNumber="7">Taxon classification Animalia Phyllodocida Sphaerodoridae</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="nomenclature">
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<paragraph pageId="6" pageNumber="7">
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<taxonomicName LSID="http://zoobank.org/BCB8304D-75F9-4566-A619-6BA3606B6469" class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia carolensis" order="Phyllodocida" pageId="6" pageNumber="7" phylum="Annelida" rank="species" species="carolensis">Euritmia carolensis</taxonomicName>
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<taxonomicNameLabel pageId="6" pageNumber="7">sp. n.</taxonomicNameLabel>
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Figs 3, 4
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8" type="materials_examined">
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<paragraph pageId="7" pageNumber="8">
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<pageBreakToken pageId="7" pageNumber="8" start="start">Material</pageBreakToken>
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examined.
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</paragraph>
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<paragraph lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
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Holotype: USNM 1001792, Off Charleston Bump South Carolina United States
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<geoCoordinate direction="north" orientation="latitude" precision="5" value="32.3944">32.3944N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="5" value="-77.0181">77.0181W</geoCoordinate>
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, 799 m, coll. Battelle/Woods Hole Oceano
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<pageBreakToken pageId="8" pageNumber="9" start="start">graphic</pageBreakToken>
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Institute for BLM/ MMS, Atlantic Slope and Rise Program, ASLAR, 18 Nov 1985. Paratypes: USNM 1001791 (1 ind.), off Cape Fear, North Carolina,
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<geoCoordinate direction="north" orientation="latitude" precision="5" value="33.0806">33.0806N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="5" value="-76.4194">76.4194W</geoCoordinate>
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, 896 m, 23 Sep 1985; USNM 1001793 (1 ind.), off New Jersey,
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<geoCoordinate direction="north" orientation="latitude" precision="5" value="38.5944">38.5944N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="5" value="-72.8953">72.8953W</geoCoordinate>
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, 2024 m, 13 Nov 1985.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="9" type="type locality">
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<paragraph pageId="8" pageNumber="9">Type locality.</paragraph>
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<paragraph pageId="8" pageNumber="9">Off Charleston Bump, South Carolina, 799 m.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="9" type="diagnosis">
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<paragraph pageId="8" pageNumber="9">Diagnosis.</paragraph>
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<paragraph pageId="8" pageNumber="9">Body short and ellipsoid. Dorsum with approximately 20 sessile spherical papillae arranged in three transverse rows per segment. Ventrum with 4-6 larger papillae near the parapodial bases. Prostomial and peristomial appendages short and ellipsoidal. Parapodia without papillae; with 4-5 simple chaetae with serrated cutting edges, enlarged sub-distally.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9" type="description">
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<paragraph pageId="8" pageNumber="9">Description.</paragraph>
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<paragraph pageId="8" pageNumber="9">Measurements and general morphology. Holotype 0.5 mm long, 0.2 mm wide, with 12 chaetigers; gravid female. Body ellipsoid, with strongly convex dorsum and flattened ventrum. Epithelium with transversal wrinkles, segmentation not noticeable (Fig. 4A, B). Pigmentation absent on preserved material.</paragraph>
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<paragraph pageId="8" pageNumber="9">Head. Head fused to first chaetiger (Figs 3A, 4A, B). Prostomial appendages ellipsoid, slightly longer than wide (Figs 3A, 4A). Pair of palps and pair of lateral antennae similar in size, median antenna smaller (Fig. 4B). Dorsal antenniform papillae absent or not conspicuous. Few small hemispherical papillae scattered on head surface, approximately four arranged among palps and antennae. Tentacular cirri, ellipsoid, smaller than palps, similar in size and shape to median antenna (Fig. 4A). Eyes not observed.</paragraph>
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<caption pageId="8" pageNumber="9">
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<paragraph pageId="8" pageNumber="9">
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Figure 3.
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia carolensis" order="Phyllodocida" pageId="8" pageNumber="9" phylum="Annelida" rank="species" species="carolensis">Euritmia carolensis</taxonomicName>
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sp. n., paratype, USNM 1001791, micrographs. A Whole body, side view B Dorsal papillae of different sizes, anterior segments C Detail of a large dorsal papillae D Mid-body simple chaetae E Same. Abbreviations: la, lateral antenna; pa, palp.
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</paragraph>
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</caption>
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<caption pageId="8" pageNumber="9">
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<paragraph pageId="8" pageNumber="9">
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Figure 4.
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia carolensis" order="Phyllodocida" pageId="8" pageNumber="9" phylum="Annelida" rank="species" species="carolensis">Euritmia carolensis</taxonomicName>
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sp. n., holotype, USNM 1001792, drawings. A Anterior end, dorsal view B Same, lateroventral view C Pygidium, side view D Mid-body parapodium, dorsal view E Detail of chaeta.
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</paragraph>
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</caption>
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<paragraph pageId="9" pageNumber="10">
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<pageBreakToken pageId="9" pageNumber="10" start="start">Tubercles</pageBreakToken>
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. Dorsum with three transverse rows of papillae per segment (Figs 3A, 4A, B). Papillae sessile, spherical but some larger and ellipsoid papillae over dorsum (Figs 3
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<normalizedToken originalValue="C–E">C-E</normalizedToken>
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, 4A), over 20 per segment on mid-body chaetigers. Ventrum with fewer and larger spherical papillae, arranged near parapodial bases in two transverse rows, about 4-6 papillae per segment (Fig. 4B).
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</paragraph>
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<paragraph pageId="9" pageNumber="10">Parapodia. Parapodia conical, as long as wide in all chaetigers (Fig. 4D), small in anterior chaetigers. Acicular lobe hemispherical; ventral cirri ellipsoid longer than acicular lobe (Fig. 4D). No additional papillae or parapodial appendages.</paragraph>
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<paragraph pageId="9" pageNumber="10">Chaetae. Large, recurved hooks in first chaetiger absent. All parapodia with 4-5 simple chaetae; blades seemingly smooth on cutting edge and slight curved distal tip (Figs 3D, E, 4D, E). One straight acicula per parapodium.</paragraph>
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<paragraph pageId="9" pageNumber="10">Pygidium. Pygidium with two dorsolateral pear-shaped tubercles and single midventral digitiform cirrus, longer than lateral cirri (Fig. 4C).</paragraph>
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<paragraph pageId="9" pageNumber="10">Internal features. Muscular pharynx visible though body wall from chaetiger 2-5.</paragraph>
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<paragraph pageId="9" pageNumber="10">
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Reproductive features. Copulatory organs not observed. Ovoid eggs measuring 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diameter occupy most of the coelomic cavity.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="10" type="variation">
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<paragraph pageId="9" pageNumber="10">Variation.</paragraph>
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<paragraph pageId="9" pageNumber="10">The two paratypes lack eggs, other features are very similar.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10" type="remarks">
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<paragraph pageId="9" pageNumber="10">Remarks.</paragraph>
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<paragraph lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia carolensis" order="Phyllodocida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="carolensis">Euritmia carolensis</taxonomicName>
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sp. n. is distinguished from other congeners by the presence of dorsal papillae arranged in three transverse rows per segment. Most of these are spherical and similar in size but some in a dorsal-most position are elliptical and larger, without a clear distribution pattern.
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia hamulisetosa" order="Phyllodocida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="hamulisetosa">Euritmia hamulisetosa</taxonomicName>
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is provided with
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<pageBreakToken pageId="10" pageNumber="11" start="start">spherical</pageBreakToken>
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papillae, all similar in size, in four transverse rows per segment;
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia capense" order="Phyllodocida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="capense">Euritmia capense</taxonomicName>
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bears two different sizes of spherical papillae each on a single transversal row per segment; and
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia bipapillatum" order="Phyllodocida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="bipapillatum">Euritmia bipapillatum</taxonomicName>
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bears both hemispherical and elliptical papillae in three transversal rows per segment and with a particular zig-zag arrangement (
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<bibRefCitation author="Day, JH" journalOrPublisher="Bulletin of the British Museum (Natural History), Zoology" pageId="24" pageNumber="25" pagination="383 - 445" title="The Polychaete fauna of South Africa. Part 8: New species and records from grab samples and dredgings." volume="10" year="1963">Day 1963</bibRefCitation>
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,
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<bibRefCitation author="Day, JH" journalOrPublisher="British Museum (Natural History) Publication" pageId="24" pageNumber="25" pagination="1 - 878" title="A monograph on the Polychaeta of Southern Africa." volume="656" year="1967">1967</bibRefCitation>
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,
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<bibRefCitation author="Sarda-Borroy, R" journalOrPublisher="Zoologica Scripta" pageId="26" pageNumber="27" pagination="47 - 50" title="Sphaerodoridae (Annelida, Polychaeta) from the region of the Gibraltar Strait with description of Euritmiahamulisetosa gen. et sp. n." url="10.1111/j.1463-6409.1987.tb00051.x" volume="16" year="1987">
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<normalizedToken originalValue="Sardá-Borroy">Sarda-Borroy</normalizedToken>
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1987
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</bibRefCitation>
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,
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<bibRefCitation author="Kudenov, JD" journalOrPublisher="Proceedings of the Biological Society of Washington" pageId="25" pageNumber="26" pagination="917 - 926" title="Four species of Sphaerodoridae (Annelida: Polychaeta) including one new genus and three new species from Alaska." volume="100" year="1987 a">Kudenov 1987a</bibRefCitation>
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) (Table 2). The number and arrangement of ventral papillae are also distinct in the new species, with two transverse rows of 4-6 papillae, mainly arranged near the parapodial bases, while the other species (unknown for
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia capense" order="Phyllodocida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="capense">Euritmia capense</taxonomicName>
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) bear numerous papillae with similar arrangement to the dorsum. The parapodia are in all cases conical and small, but only
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<taxonomicName class="Polychaeta" family="Sphaerodoridae" genus="Euritmia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euritmia carolensis" order="Phyllodocida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="carolensis">Euritmia carolensis</taxonomicName>
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sp. n. lacks parapodial papillae; the only appendices present on parapodia being acicular lobe and the ventral cirrus.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="11" type="etymology">
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<paragraph pageId="10" pageNumber="11">Etymology.</paragraph>
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<paragraph pageId="10" pageNumber="11">The epithet of this species refers to the type locality North Carolina.</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="11" type="distribution">
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<paragraph pageId="10" pageNumber="11">Distribution.</paragraph>
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<paragraph pageId="10" pageNumber="11">North Carolina to New Jersey (US), from 799 to 2014 m.</paragraph>
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</subSubSection>
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</treatment>
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</document> |