153 lines
17 KiB
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153 lines
17 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.187.2662" ID-GBIF-Dataset="38566902-1a3c-437d-8a2c-b47f7923c0d9" ID-PMC="PMC3345902" ID-Pensoft-Pub="1313-2970-187-45" ID-PubMed="22577329" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-187-45" ModsDocOrigin="ZooKeys 187" ModsDocTitle="Three species of Amphicorina (Annelida, Sabellida, Sabellidae) from Japan, with descriptions of two new species" checkinTime="1451249079461" checkinUser="pensoft" docAuthor="Yoshihara, Taiki, Hiruta, Shimpei F., Katoh, Toru & Kajihara, Hiroshi" docDate="2012" docId="04B707064DE03CA780E231A8E50D9CE4" docLanguage="en" docName="ZooKeys 187: 45-62" docOrigin="ZooKeys 187" docSource="http://dx.doi.org/10.3897/zookeys.187.2662" docTitle="Amphicorina ezoensis Yoshihara, Hiruta, Katoh & Kajihara, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="50" masterDocId="E95F0F66FF98FFD4FFA4F30DC5137707" masterDocTitle="Three species of Amphicorina (Annelida, Sabellida, Sabellidae) from Japan, with descriptions of two new species" masterLastPageNumber="62" masterPageNumber="45" pageNumber="49" updateTime="1668153800392" 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>Three species of Amphicorina (Annelida, Sabellida, Sabellidae) from Japan, with descriptions of two 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>Yoshihara, Taiki</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>Hiruta, Shimpei F.</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>Katoh, Toru</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>Kajihara, Hiroshi</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>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>187</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>45</mods:start>
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<mods:end>62</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.187.2662</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.187.2662</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-187-45</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152035323" LSID="urn:lsid:zoobank.org:act:3B810496-A96D-4D12-904F-B3C695EA48FD" httpUri="http://treatment.plazi.org/id/04B707064DE03CA780E231A8E50D9CE4" lastPageId="5" lastPageNumber="50" pageId="4" pageNumber="49">
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<subSubSection pageId="4" pageNumber="49" type="nomenclature">
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<paragraph pageId="4" pageNumber="49">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:3B810496-A96D-4D12-904F-B3C695EA48FD" class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="49">sp. n.</taxonomicNameLabel>
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Figs 34
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="49" type="material examined">
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<paragraph pageId="4" pageNumber="49">Material examined.</paragraph>
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<paragraph pageId="4" pageNumber="49">
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Holotype: ZIHU 4255, fixed in 10% seawater formalin, preserved in 70% ethanol, among algae,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="42.55">42°33'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="139.83333">139°50'E</geoCoordinate>
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, Setana, Hokkaido, Japan, 10 May 2010. Paratypes: ZIHU 4254, mounted on SEM stub, same data as for holotype; ZIHU 4270, fixed in 10% seawater formalin, preserved in 70% ethanol, same data as for holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="49" type="description">
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<paragraph pageId="4" pageNumber="49">Description.</paragraph>
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<paragraph pageId="4" pageNumber="49">Eight thoracic and 12 abdominal chaetigers (Fig. 3A). Total length 3.1 mm, crown length 0.6 mm, maximum body width 0.3 mm. Three pairs of radioles, with lateral flanges; proximal 1/2 of radioles connected by palmate membrane. Each radiole with two longitudinal internal cellular supporting axes; each pinnule with one internal cellular supporting axis. Ventral-most radiole with two appendages on each side (Fig. 4A); these appendages (arranged dorsally and ventrally) being almost 1/2 radiole length, and only dorsal one having one internal cellular supporting axis. Distal end of ventral lobe on anterior peristomial ring bifurcate, extending slightly beyond collar margin (Figs 3C, 4A). Posterior peristomial ring collar crenulate (Figs 3A, 3B, 3C, 4A, 4B), with dorsal gap (Fig. 4B). Ciliated patch absent on posterior peristomail ring (Figs 3C, 4A). Glandular ridge on second chaetiger present.</paragraph>
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<paragraph pageId="4" pageNumber="49">Superior thoracic notochaetae elongate, narrowly hooded, 4-5 per fascicle (Fig. 3D). Inferior thoracic notochaetae bayonet type, four per fascicle; no elongate, narrowly hooded chaetae (Fig. 3D). Thoracic acicular uncini 4-5 per torus; each uncinus having four rows of teeth above main fang (Figs 3E, 4C). Abdominal uncini quadrangular, with eight rows of teeth above large basal tooth (Figs 3F, 4D), 2-9 uncini per fascicle; number of uncini decreasing posteriorly, with eight uncini on first and second abdominal chaetigers, nine on third. Abdominal neurochaetae 2-4 per fascicle, needle-like capillaries in form (Fig. 3G). Pygidium rounded. Peristomial and pygidial eyes and statocysts not visible in preserved specimens. Oocytes found in fourth and fifth thoracic chaetigers.</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="49" type="etymology">
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<paragraph pageId="4" pageNumber="49">Etymology.</paragraph>
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<paragraph pageId="4" pageNumber="49">The specific epithet is an adjective derived from Ezo, the old place name for Hokkaido, in combination with the Latin suffix -ensis.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="50" pageId="4" pageNumber="49" type="remarks">
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<paragraph pageId="4" pageNumber="49">Remarks.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="50" pageId="4" pageNumber="49">
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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is similar to
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina anneae" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="anneae">Amphicorina anneae</taxonomicName>
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(Rouse, 1994),
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina eimeri" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="eimeri">Amphicorina eimeri</taxonomicName>
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(Langerhans, 1880), and
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina persinosa" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="persinosa">Amphicorina persinosa</taxonomicName>
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(Ben-Eliahu, 1975) in having a crenulate collar, three pairs of radioles, and more than eight abdominal chaetigers.
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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differs from
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina persinosa" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="persinosa">Amphicorina persinosa</taxonomicName>
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in the shape of the collar. In
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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, the anterior edge of the collar is perpendicular to the anterior-posterior body axis, and the collar completely covers the anterior peristomium so that the latter is not visible laterally, while in
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina persinosa" order="Sabellida" pageId="4" pageNumber="49" phylum="Annelida" rank="species" species="persinosa">Amphicorina persinosa</taxonomicName>
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the collar is oblique in lateral view so that
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<pageBreakToken pageId="5" pageNumber="50" start="start">the</pageBreakToken>
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anterior peristomium is visible, although the angle of the collar is often determined by how the specimen was fixed.
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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further differs from
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina anneae" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="anneae">Amphicorina anneae</taxonomicName>
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and
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina persinosa" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="persinosa">Amphicorina persinosa</taxonomicName>
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in the number of ventral radiolar appendage(s).
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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has two pairs of appendages, while
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina anneae" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="anneae">Amphicorina anneae</taxonomicName>
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and
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina persinosa" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="persinosa">Amphicorina persinosa</taxonomicName>
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have one pair. The number of ventral radiolar appendage(s) was not mentioned in the original description of
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina eimeri" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="eimeri">Amphicorina eimeri</taxonomicName>
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(Langerhans, 1880), but
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<bibRefCitation author="Banse, K" journalOrPublisher="Videnskabelige Meddelelser fra Dansk Naturhistorisk Foerening i Kjoebenhavn" pageId="9" pageNumber="54" pagination="67 - 105" title="Die Gattungen Oriopsis, Desdemona und Augeneriella (Sabellidae, Polychaeta)." volume="119" year="1957">Banse (1957</bibRefCitation>
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: 72) noted "ventral wenigstens ein Filament" (ventrally at least one filament);
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<bibRefCitation author="Giangrande, A" journalOrPublisher="Italian Journal of Zoology" pageId="9" pageNumber="54" pagination="195 - 203" title="On some Amphicorina (Polychaeta, Sabellidae) species from the Mediterranean coast, with the description of A. grahamensis." url="10.1080/11250009909356255" volume="66" year="1999">Giangrande et al. (1999</bibRefCitation>
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: 197, Table 1) indicated the species has one pair of appendages, while
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<bibRefCitation author="Rouse, GW" journalOrPublisher="Records of the Australian Museum" pageId="9" pageNumber="54" pagination="221 - 235" title="New species of Oriopsis and a new record for Augeneriella cf. dubia Hartmann-Schroeder, 1965 from eastern Australia (Polychaeta: Sabellidae)." url="10.3853/j.0067-1975.42.1990.116" volume="42" year="1990">Rouse (1990</bibRefCitation>
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: Table 1) lists
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<normalizedToken originalValue="“1?”">"1?"</normalizedToken>
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.
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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also differs from
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina eimeri" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="eimeri">Amphicorina eimeri</taxonomicName>
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in that the former possesses elongate, narrowly hooded thoracic chaetae, while the latter has broadly hooded thoracic chaetae (
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<bibRefCitation author="Rouse, GW" journalOrPublisher="Records of the Australian Museum" pageId="9" pageNumber="54" pagination="221 - 235" title="New species of Oriopsis and a new record for Augeneriella cf. dubia Hartmann-Schroeder, 1965 from eastern Australia (Polychaeta: Sabellidae)." url="10.3853/j.0067-1975.42.1990.116" volume="42" year="1990">Rouse 1990</bibRefCitation>
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,
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<bibRefCitation author="Giangrande, A" journalOrPublisher="Italian Journal of Zoology" pageId="9" pageNumber="54" pagination="195 - 203" title="On some Amphicorina (Polychaeta, Sabellidae) species from the Mediterranean coast, with the description of A. grahamensis." url="10.1080/11250009909356255" volume="66" year="1999">Giangrande et al. 1999</bibRefCitation>
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).
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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also differs from
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina eimeri" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="eimeri">Amphicorina eimeri</taxonomicName>
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in the number of the abdominal chaetigers (12 vs. 10).
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</paragraph>
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<paragraph pageId="5" pageNumber="50">We were unable to obtain DNA sequence data for this species due to the paucity of material.</paragraph>
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<caption pageId="5" pageNumber="50">
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<paragraph pageId="5" pageNumber="50">
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Figure 3.
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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sp. n., paratype, ZIHU 4254, SEM images. A entire worm, lateral view B collar and first thoracic segment, lateral view C basal part of radioles, ventral view D thoracic notochaetae on the 4th chaetiger E thoracic uncini F abdominal uncini G abdominal chaetae. Abbreviations: apr anterior peristomial ring co collar it inferior thoracic notochaetae st superior thoracic notochaetae vra ventral radiolar appendage.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="50">
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<paragraph pageId="5" pageNumber="50">
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Figure 4.
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<taxonomicName class="Polychaeta" family="Sabellidae" genus="Amphicorina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amphicorina ezoensis" order="Sabellida" pageId="5" pageNumber="50" phylum="Annelida" rank="species" species="ezoensis">Amphicorina ezoensis</taxonomicName>
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sp. n., holotype, ZIHU 4255. A collar, ventral view B collar, dorsal view C thoracic uncinus D abdominal uncinus. Abbreviations: apr anterior peristomial ring vra ventral radiolar appendage.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |