202 lines
28 KiB
XML
202 lines
28 KiB
XML
<document id="487C50850C510E831D899D351CE45BDC" ID-CLB-Dataset="31078" ID-DOI="10.11646/zootaxa.4369.2.3" ID-GBIF-Dataset="cf7bc2b0-c94e-4788-a495-7fc270a17161" ID-ISSN="1175-5326" ID-Zenodo-Dep="1135678" ID-ZooBank="172F11D3-CFA0-4EBB-BDA4-DE58E3316A53" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1515147899373" checkinUser="plazi" docAuthor="Langeneck, Joachim, Musco, Luigi, Busoni, Giulio, Conese, Ilaria, Aliani, Stefano & Castelli, Alberto" docDate="2018" docId="DA16E652A76EFFDEFF3BFF3BFBC7FB1C" docLanguage="en" docName="zootaxa.4369.2.3.pdf" docOrigin="Zootaxa 4369 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Syllis Lamarck 1818" docType="treatment" docVersion="11" lastPageNumber="213" masterDocId="262F9E2AA77EFFCEFFACFFA3FFECFFC1" masterDocTitle="Syllidae (Annelida: Phyllodocida) from the deep Mediterranean Sea, with the description of three new species" masterLastPageNumber="220" masterPageNumber="197" pageNumber="213" updateTime="1698512346532" updateUser="ExternalLinkService">
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<mods:title id="9138BE9D9E0B8AA7CBF542788B686896">Syllidae (Annelida: Phyllodocida) from the deep Mediterranean Sea, with the description of three new species</mods:title>
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<mods:name id="15FFBBABC866C9428D68EDB035AEB8AE" type="personal">
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<mods:namePart id="D3EB75079FB8A970798CFB78F4FDAB3F">Langeneck, Joachim</mods:namePart>
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<mods:namePart id="A56C61D3277B567D22D250A0BE7572BF">Musco, Luigi</mods:namePart>
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<mods:namePart id="9BD59D3CEA732F845FBF944EEF19C958">Busoni, Giulio</mods:namePart>
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<mods:namePart id="62A9AB83DD7BD8F1E1D88D1D0A893CC4">Conese, Ilaria</mods:namePart>
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<mods:namePart id="03B8C48E4128B35921BA55A4A25938CB">Aliani, Stefano</mods:namePart>
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<mods:namePart id="ED0C949132C331EF99A2453CBCA612CD">Castelli, Alberto</mods:namePart>
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<mods:typeOfResource id="E22D57881D34208112F088B777376E5E">text</mods:typeOfResource>
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<mods:title id="33D6F5A7424051F60CF861BD8FB6465C">Zootaxa</mods:title>
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<mods:part id="AA12F5EE12FF7B23CC350D2CC53BEEE8">
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<mods:date id="D5A32FFC5625078F8B98FE58C7CE1FCC">2018</mods:date>
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<mods:number id="9450227D8D3CB32E5CD8DA47128D62C9">2018-01-04</mods:number>
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<mods:number id="4F9D9C5D0BB9123E28A21E1E3FBC5BF7">4369</mods:number>
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<treatment id="DA16E652A76EFFDEFF3BFF3BFBC7FB1C" ID-DOI="http://doi.org/10.5281/zenodo.5492511" ID-GBIF-Taxon="139582294" ID-Zenodo-Dep="5492511" LSID="urn:lsid:plazi:treatment:DA16E652A76EFFDEFF3BFF3BFBC7FB1C" httpUri="http://treatment.plazi.org/id/DA16E652A76EFFDEFF3BFF3BFBC7FB1C" lastPageNumber="213" pageId="16" pageNumber="213">
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<subSubSection id="1AA504CFA76EFFDEFF3BFF3BFEC7FF12" pageId="16" pageNumber="213" type="nomenclature">
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<paragraph id="52005744A76EFFDEFF3BFF3BFECAFF73" blockId="16.[151,299,151,211]" box="[151,294,151,178]" pageId="16" pageNumber="213">
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<heading id="0948E028A76EFFDEFF3BFF3BFECAFF73" bold="true" box="[151,294,151,178]" fontSize="11" level="1" pageId="16" pageNumber="213" reason="1">
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<emphasis id="60CB8B56A76EFFDEFF3BFF3BFECAFF73" bold="true" box="[151,294,151,178]" pageId="16" pageNumber="213">
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?
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||
<taxonomicName id="95BF2CC7A76EFFDEFF09FF34FF0AFF70" ID-CoL="9G24W" authorityName="Lamarck" authorityYear="1818" box="[165,230,151,177]" class="Polychaeta" family="Syllidae" genus="Syllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
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<emphasis id="60CB8B56A76EFFDEFF09FF34FF0AFF70" bold="true" box="[165,230,151,177]" italics="true" pageId="16" pageNumber="213">Syllis</emphasis>
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</taxonomicName>
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sp. 2
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="52005744A76EFFDEFF3BFF19FEC7FF12" blockId="16.[151,299,151,211]" box="[151,299,186,211]" pageId="16" pageNumber="213">
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(
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<figureCitation id="CA844BC1A76EFFDEFF32FF19FECFFF12" box="[158,291,186,211]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Figure 9a–f</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="1AA504CFA76EFFDEFF3BFF5EFDBBFED7" box="[151,599,253,278]" pageId="16" pageNumber="213" type="materials_examined">
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<paragraph id="52005744A76EFFDEFF3BFF5EFDBBFED7" blockId="16.[151,1437,253,1245]" box="[151,599,253,278]" pageId="16" pageNumber="213">
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<emphasis id="60CB8B56A76EFFDEFF3BFF5EFE6CFED7" bold="true" box="[151,384,253,278]" pageId="16" pageNumber="213">Material examined.</emphasis>
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St. 3: 1 individual.
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</paragraph>
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</subSubSection>
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<subSubSection id="1AA504CFA76EFFDEFF6BFEBDFA96FCCB" pageId="16" pageNumber="213" type="description">
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<paragraph id="52005744A76EFFDEFF6BFEBDFA96FCCB" blockId="16.[151,1437,253,1245]" pageId="16" pageNumber="213">
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<emphasis id="60CB8B56A76EFFDEFF6BFEBDFEB5FEF6" bold="true" box="[199,345,286,311]" pageId="16" pageNumber="213">Description.</emphasis>
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Anterior fragment,
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<quantity id="9547FAA1A76EFFDEFDEEFEBDFD6AFEF7" box="[578,646,286,311]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="16" pageNumber="213" unit="mm" value="5.0">5 mm</quantity>
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long,
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<quantity id="9547FAA1A76EFFDEFD7EFEBDFCD6FEF7" box="[722,826,286,311]" metricMagnitude="-4" metricUnit="m" metricValue="3.5" pageId="16" pageNumber="213" unit="mm" value="0.35">0.35 mm</quantity>
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wide for 44 chaetigers (
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<figureCitation id="CA844BC1A76EFFDEFBF5FEBDFB42FEF6" box="[1113,1198,286,311]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9a</figureCitation>
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). Prostomium ovate, distinctly broader than long, with four small eyes in trapezoidal arrangement, palps united at the basis, longer than the prostomium. Antennae, tentacular cirri and dorsal cirri articulate, similar in length, approximately ½ to ¾ of body width; antennae and tentacular cirri incomplete or broken, dorsal cirri of the same length throughout the body, with 20–25 articles. Parapodia well developed, with two aciculae similar in size anteriorly (
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<figureCitation id="CA844BC1A76EFFDEFB6DFE07FAFAFE7D" box="[1217,1302,420,445]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9e</figureCitation>
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), becoming clearly different around chaetiger 30, larger one with squared to rounded tip, smaller one with pointed tip anterior parapodia with two aciculae of similar size (
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<figureCitation id="CA844BC1A76EFFDEFD2BFE45FD34FE3E" box="[647,728,486,511]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9e</figureCitation>
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), whilst around chaetiger 30 clearer difference in size (
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<figureCitation id="CA844BC1A76EFFDEFAECFE45FA63FE3E" box="[1344,1423,486,511]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9f</figureCitation>
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). Up to 10 compound heterogomph falcigers per parapodium; anterior 4–5 parapodia dorsal chaeta with distinctly longer blade (
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<figureCitation id="CA844BC1A76EFFDEFE98FD8AFE6BFD80" box="[308,391,553,578]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9c</figureCitation>
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); blades slightly bidentate, with short spines on margin (
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<figureCitation id="CA844BC1A76EFFDEFBA7FD8AFBB2FD80" box="[1035,1118,553,578]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9c</figureCitation>
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), midbody parapodia with a gradual gradation in size of blades (
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<figureCitation id="CA844BC1A76EFFDEFD8FFDE9FD99FDA2" box="[547,629,586,611]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9d</figureCitation>
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), hooked, smooth on margin or with very short spines on margin. Blades of compound chaetae 30–20 µm long in anterior parapodia, gradually decreasing to 20–15 µm in midbody. Dorsal simple chaetae straight, with slightly curved tip and slightly serrated subdistally (
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<figureCitation id="CA844BC1A76EFFDEFB91FD2EFB7FFD67" box="[1085,1171,653,678]" captionStart="FIGURE 9" captionStartId="17.[151,250,1924,1946]" captionTargetBox="[258,1337,230,1875]" captionTargetId="figure@17.[216,1375,193,1912]" captionTargetPageId="17" captionText="FIGURE 9. a‒f)?Syllis sp. 2 (St. 3, 730 m): a) anterior end in dorsal view; b) dorsal simple chaeta; c) compound chaetae from the anterior part of thebody; d) compoundchaetae from the midbody; e) aciculae from the anterior part of the body; f) aciculae from the midbody. g‒j) Anguillosyllis sp. (St. 16, 2100 m): g) complete individual in dorsal view; h) dorsal simple chaeta; i) compound chaetae; j) acicula.Scale-bar:a: 0.32 mm; b‒f:30 µm; g: 0.20 mm; h‒j: 25 µm." httpUri="https://zenodo.org/record/1135696/files/figure.png" pageId="16" pageNumber="213">Fig. 9b</figureCitation>
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). Pharynx through five chaetigers, long and narrow, with a slightly backward pharyngeal tooth large, triangular. Proventricle through six chaetigers, with ca. 40 cell rows. Colour yellowish; chaetigers 3–11 with a thin dark bar along itsposterior edge; posterior peristomium slightly darker in the freshly fixed individual, evenly whitish some months after fixation.
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</paragraph>
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</subSubSection>
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<subSubSection id="1AA504CFA76EFFDEFF6BFCB1FCF7FCEA" box="[199,795,786,811]" pageId="16" pageNumber="213" type="distribution">
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<paragraph id="52005744A76EFFDEFF6BFCB1FCF7FCEA" blockId="16.[151,1437,253,1245]" box="[199,795,786,811]" pageId="16" pageNumber="213">
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<emphasis id="60CB8B56A76EFFDEFF6BFCB1FE8CFCEA" bold="true" box="[199,352,786,811]" pageId="16" pageNumber="213">Distribution.</emphasis>
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<collectingRegion id="907B99A6A76EFFDEFECBFCB1FE20FCEA" box="[359,460,786,811]" country="Israel" name="Southern" pageId="16" pageNumber="213">Southern</collectingRegion>
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Adriatic Sea, at
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<quantity id="9547FAA1A76EFFDEFD2BFCB0FD22FCEB" box="[647,718,787,811]" metricMagnitude="2" metricUnit="m" metricValue="7.3" pageId="16" pageNumber="213" unit="m" value="730.0">730 m</quantity>
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depth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="1AA504CFA76EFFDEFF6BFC97FBC7FB1C" pageId="16" pageNumber="213" type="discussion">
|
||
<paragraph id="52005744A76EFFDEFF6BFC97FBC7FB1C" blockId="16.[151,1437,253,1245]" pageId="16" pageNumber="213">
|
||
<emphasis id="60CB8B56A76EFFDEFF6BFC97FED7FC8C" bold="true" box="[199,315,820,845]" pageId="16" pageNumber="213">Remarks.</emphasis>
|
||
The examined specimen shows intermediate features between the genera
|
||
<taxonomicName id="95BF2CC7A76EFFDEFBD1FC97FA80FC8D" authority="Lamarck, 1818" authorityName="Lamarck" authorityYear="1818" box="[1149,1388,820,845]" class="Polychaeta" family="Syllidae" genus="Syllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
|
||
<emphasis id="60CB8B56A76EFFDEFBD1FC97FB56FC8C" box="[1149,1210,820,845]" italics="true" pageId="16" pageNumber="213">Syllis</emphasis>
|
||
<bibRefCitation id="362E2AB5A76EFFDEFB6EFC97FA80FC8D" author="Lamarck" box="[1218,1388,820,845]" pageId="16" pageNumber="213" refString="Lamarck, J. B. de (1818) Histoire naturelle des Animaux sans Vertebres, presentant les caracteres generaux et particuliers de ces animaux, leur distribution, leurs classes, leurs familles, leurs genres, et la citation des principales especes qui s'y rapportent; precedes d'une Introduction offrant la determination des caracteres essentiels de l`Animal, sa distinction du vegetal et desautres corps naturels, enfin, l'Exposition des Principes fondamentaux de la Zoologie. Vol. 5. Deterville, Paris, 612 pp." type="book" year="1818">Lamarck, 1818</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="95BF2CC7A76EFFDEFF3BFCF6FE13FCAF" authority="Langerhans, 1879" authorityName="Langerhans" authorityYear="1879" box="[151,511,853,878]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
|
||
<emphasis id="60CB8B56A76EFFDEFF3BFCF6FEC5FCAF" box="[151,297,853,878]" italics="true" pageId="16" pageNumber="213">Opisthosyllis</emphasis>
|
||
<bibRefCitation id="362E2AB5A76EFFDEFE9EFCF6FE13FCAF" author="Langerhans" box="[306,511,853,878]" pageId="16" pageNumber="213" refString="Langerhans, P. (1879) Die Wurmfauna von Madeira (part I). Zeitschrift fur wissenschaftliche Zoologie, 32, 513 - 592." type="journal article" year="1879">Langerhans, 1879</bibRefCitation>
|
||
</taxonomicName>
|
||
. Similarly, to
|
||
<taxonomicName id="95BF2CC7A76EFFDEFD0CFCF6FCDEFCAF" authorityName="Langerhans" authorityYear="1879" box="[672,818,853,878]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
|
||
<emphasis id="60CB8B56A76EFFDEFD0CFCF6FCDEFCAF" box="[672,818,853,878]" italics="true" pageId="16" pageNumber="213">Opisthosyllis</emphasis>
|
||
</taxonomicName>
|
||
it has a large tooth inserted backwards to the anterior part of the pharynx and compound chaetae sub-bidentate to unidentate; however, it does not show any trace of the occipital flap typical of
|
||
<taxonomicName id="95BF2CC7A76EFFDEFE1EFC34FDA8FC71" authorityName="Langerhans" authorityYear="1879" box="[434,580,919,944]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
|
||
<emphasis id="60CB8B56A76EFFDEFE1EFC34FDA8FC71" box="[434,580,919,944]" italics="true" pageId="16" pageNumber="213">Opisthosyllis</emphasis>
|
||
</taxonomicName>
|
||
. Moreover, the position of the pharyngeal tooth is relatively close to the pharynx opening for
|
||
<emphasis id="60CB8B56A76EFFDEFE28FC1AFDF1FC13" box="[388,541,953,978]" italics="true" pageId="16" pageNumber="213">
|
||
<taxonomicName id="95BF2CC7A76EFFDEFE28FC1AFDF5FC13" authorityName="Langerhans" authorityYear="1879" box="[388,537,953,978]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">Opisthosyllis</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
and compatible with that of some species of the genus
|
||
<taxonomicName id="95BF2CC7A76EFFDEFB21FC1AFB26FC13" authorityName="Lamarck" authorityYear="1818" box="[1165,1226,953,978]" class="Polychaeta" family="Syllidae" genus="Syllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
|
||
<emphasis id="60CB8B56A76EFFDEFB21FC1AFB26FC13" box="[1165,1226,953,978]" italics="true" pageId="16" pageNumber="213">Syllis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="362E2AB5A76EFFDEFB74FC1AFA8BFC13" author="Licher" box="[1240,1383,953,978]" pageId="16" pageNumber="213" refString="Licher, F. (1999) Revision der Gattung Typosyllis Langerhans, 1879 (Polychaeta: Syllidae). Morphologie, Taxonomie und Phylogenie. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 551, 1 - 336." type="journal article" year="1999">Licher 1999</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="362E2AB5A76EFFDEFADEFC19FECBFC32" author="San" pageId="16" pageNumber="213" refString="San Martin, G. (2003) Anelidos Poliquetos. Familia Syllidae Grube, 1850. Museo Nacional de Ciencias Naturales, CSIC, Madrid, 554 pp." type="book" year="2003">San Martín 2003</bibRefCitation>
|
||
). Among the currently known species of the genus
|
||
<taxonomicName id="95BF2CC7A76EFFDEFCCFFC79FC19FC32" authorityName="Langerhans" authorityYear="1879" box="[867,1013,986,1011]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="genus">
|
||
<emphasis id="60CB8B56A76EFFDEFCCFFC79FC19FC32" box="[867,1013,986,1011]" italics="true" pageId="16" pageNumber="213">Opisthosyllis</emphasis>
|
||
</taxonomicName>
|
||
the herein reported specimen appears close to
|
||
<taxonomicName id="95BF2CC7A76EFFDEFF5FFC5FFD67FBD5" authority="(Grube, 1878)" authorityName="Grube" authorityYear="1878" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[243,651,1020,1045]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="species" species="flaccida">
|
||
<emphasis id="60CB8B56A76EFFDEFF5FFC5FFE0AFBD4" box="[243,486,1020,1045]" italics="true" pageId="16" pageNumber="213">Opisthosyllis flaccida</emphasis>
|
||
(
|
||
<bibRefCitation id="362E2AB5A76EFFDEFE59FC5FFD6FFBD5" author="Grube" box="[501,643,1020,1045]" pageId="16" pageNumber="213" refString="Grube, A. E. (1878) Annulata Semperiana. Beitrage zur Kenntniss der Annelidenfauna der Philippinen. Memories de l'Academie Imperiale des Sciences de St. Petersbourg, Series 7, 25, 1 - 300." type="journal article" year="1878">Grube, 1878</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
from the Pacific Ocean in the joint occurrence of bidentate compound chaetae with relatively small secondary tooth and unidentate chaetae, gradually becoming shorter towards the posterior end. It differs from this last species as the pharyngeal tooth is more massive (thin, dagger-like in
|
||
<taxonomicName id="95BF2CC7A76EFFDEFA2DFB9CFF1DFBB9" baseAuthorityName="Grube" baseAuthorityYear="1878" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="species" species="flaccida">
|
||
<emphasis id="60CB8B56A76EFFDEFA2DFB9CFF1DFBB9" italics="true" pageId="16" pageNumber="213">O. flaccida</emphasis>
|
||
</taxonomicName>
|
||
), the dorsal cirri have 20–25 articles (
|
||
<quantity id="9547FAA1A76EFFDEFD36FBFCFD13FBB9" box="[666,767,1119,1144]" metricMagnitude="-1" metricUnit="m" metricValue="8.382" metricValueMax="10.16" metricValueMin="6.604" pageId="16" pageNumber="213" unit="in" value="33.0" valueMax="40.0" valueMin="26.0">26–40 in</quantity>
|
||
<taxonomicName id="95BF2CC7A76EFFDEFCA9FBC3FC6EFBB9" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[773,898,1119,1144]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="species" species="flaccida">
|
||
<emphasis id="60CB8B56A76EFFDEFCA9FBC3FC6EFBB9" box="[773,898,1119,1144]" italics="true" pageId="16" pageNumber="213">O. flaccida</emphasis>
|
||
</taxonomicName>
|
||
) and anterior parapodia have two aciculae (four in
|
||
<taxonomicName id="95BF2CC7A76EFFDEFF1AFB21FEDAFB5B" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[182,310,1153,1178]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="species" species="flaccida">
|
||
<emphasis id="60CB8B56A76EFFDEFF1AFB21FEDAFB5B" box="[182,310,1153,1178]" italics="true" pageId="16" pageNumber="213">O. flaccida</emphasis>
|
||
</taxonomicName>
|
||
). Moreover,
|
||
<taxonomicName id="95BF2CC7A76EFFDEFE62FB21FDA1FB5B" baseAuthorityName="Grube" baseAuthorityYear="1878" box="[462,589,1153,1178]" class="Polychaeta" family="Syllidae" genus="Opisthosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="16" pageNumber="213" phylum="Annelida" rank="species" species="flaccida">
|
||
<emphasis id="60CB8B56A76EFFDEFE62FB21FDA1FB5B" box="[462,589,1153,1178]" italics="true" pageId="16" pageNumber="213">O. flaccida</emphasis>
|
||
</taxonomicName>
|
||
does not have compound chaetae with distinctly longer blade in anterior parapodia (
|
||
<bibRefCitation id="362E2AB5A76EFFDEFEB9FB01FE4EFB7A" author="Licher" box="[277,418,1186,1211]" pageId="16" pageNumber="213" refString="Licher, F. (1999) Revision der Gattung Typosyllis Langerhans, 1879 (Polychaeta: Syllidae). Morphologie, Taxonomie und Phylogenie. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 551, 1 - 336." type="journal article" year="1999">Licher 1999</bibRefCitation>
|
||
; Aguado
|
||
<emphasis id="60CB8B56A76EFFDEFDA3FB07FDA5FB7A" box="[527,585,1186,1211]" italics="true" pageId="16" pageNumber="213">et al.</emphasis>
|
||
2008). These specimens most likely represents an undescribed species, but the currently available material is too scarce to proceed with a formal description.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |