319 lines
46 KiB
XML
319 lines
46 KiB
XML
<document id="4A6790FF18568D6E11D5A35F7F32D57C" ID-DOI="10.11646/zootaxa.3691.3.3" ID-GBIF-Dataset="bdb4647a-a117-4572-8852-16d079ad460c" ID-ISSN="1175-5326" ID-Zenodo-Dep="248600" ID-ZooBank="24C5A895-F6B0-47CF-B138-A74670268984" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460651073842" checkinUser="plazi" docAuthor="Parapar, Julio, Mikac, Barbara & Fiege, Dieter" docDate="2013" docId="038B0C19FFFFFF8B3FC4B4340A7CFC0C" docLanguage="en" docName="zt03691p350.pdf" docOrigin="Zootaxa 3691 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Terebellides gracilis Malm 1874" docType="treatment" docVersion="7" lastPageNumber="338" masterDocId="FFB27461FFFDFF8E3F53B658091BFFCB" masterDocTitle="Diversity of the genus Terebellides (Polychaeta: Trichobranchidae) in the Adriatic Sea with the description of a new species" masterLastPageNumber="350" masterPageNumber="333" pageNumber="335" updateTime="1698337994818" updateUser="plazi">
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<mods:titleInfo id="DA09112DE9B56774EDB79462973BB824">
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<mods:title id="A6CA94E41F456EEB69A546A94650F006">Diversity of the genus Terebellides (Polychaeta: Trichobranchidae) in the Adriatic Sea with the description of a new species</mods:title>
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<mods:namePart id="A807E7D4F8AAE026567170DA6011DC76">Parapar, Julio</mods:namePart>
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<mods:namePart id="CC240587463309086D7D455A364A52CD">Mikac, Barbara</mods:namePart>
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<mods:namePart id="82BA8B05FA86FC1E3147DB5EE59FEF09">Fiege, Dieter</mods:namePart>
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<mods:typeOfResource id="86DCB0C2B524320BD97D8C4F15FEEC7E">text</mods:typeOfResource>
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<mods:title id="6C92358E9092C7EC8061A56E9F86A234">Zootaxa</mods:title>
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<mods:date id="F584709D5BC38A0B1D2E85224CBE9588">2013</mods:date>
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<mods:number id="AEFC3BEFBF7D4D89846FCDDC72D51120">3691</mods:number>
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<mods:identifier id="A9C9F292046F364E277D5FEB21F88072" type="DOI">10.11646/zootaxa.3691.3.3</mods:identifier>
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<treatment id="038B0C19FFFFFF8B3FC4B4340A7CFC0C" ID-DOI="http://doi.org/10.5281/zenodo.6164482" ID-GBIF-Taxon="119572914" ID-Zenodo-Dep="6164482" LSID="urn:lsid:plazi:treatment:038B0C19FFFFFF8B3FC4B4340A7CFC0C" httpUri="http://treatment.plazi.org/id/038B0C19FFFFFF8B3FC4B4340A7CFC0C" lastPageId="5" lastPageNumber="338" pageId="2" pageNumber="335">
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<subSubSection id="C338EE84FFFFFF8C3FC4B4340B01FD27" pageId="2" pageNumber="335" type="nomenclature">
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<paragraph id="8B9DBD0FFFFFFF8C3FC4B4340B2DFD4E" blockId="2.[151,566,619,678]" box="[151,566,619,646]" pageId="2" pageNumber="335">
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<heading id="D0D50A63FFFFFF8C3FC4B4340B2DFD4E" bold="true" box="[151,566,619,646]" fontSize="11" level="1" pageId="2" pageNumber="335" reason="1">
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<taxonomicName id="4C22C68CFFFFFF8C3FC4B4340B2DFD4E" ID-CoL="7BPW8" authority="Malm, 1874" authorityName="Malm" authorityYear="1874" box="[151,566,619,646]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="335" phylum="Annelida" rank="species" species="gracilis">
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<emphasis id="B956611DFFFFFF8C3FC4B4340B2DFD4E" bold="true" box="[151,566,619,646]" pageId="2" pageNumber="335">
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<emphasis id="B956611DFFFFFF8C3FC4B4340893FD4D" bold="true" box="[151,392,620,646]" italics="true" pageId="2" pageNumber="335">Terebellides gracilis</emphasis>
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(Malm, 1874)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8B9DBD0FFFFFFF8C3FC4B4D6088BFD6D" blockId="2.[151,566,619,678]" box="[151,400,654,678]" pageId="2" pageNumber="335">
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(
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<figureCitation id="1319A18AFFFFFF8C3FCDB4D60833FD6D" box="[158,296,654,678]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStartId-0="2.[151,250,1851,1874]" captionStartId-1="3.[151,250,1184,1207]" captionStartId-2="4.[153,252,1469,1492]" captionTargetBox-0="[151,1435,862,1829]" captionTargetBox-1="[151,1436,195,1162]" captionTargetBox-2="[151,1436,481,1447]" captionTargetId-0="figure@2.[151,1435,862,1830]" captionTargetId-1="figure@3.[151,1436,195,1163]" captionTargetId-2="figure@4.[151,1436,481,1448]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionText-0="FIGURE 2. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH 1 = chaetiger 1, CT = cilia tufts." captionText-1="FIGURE 3. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-dorsal view; (b) edge and inner side of branchial lamellae; (c) geniculate chaetae of chaetiger 6 (broken at distal end); (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 300 µm, (b) 50 µm, (c) 15 µm, (d) 25 µm. CT = cilia tufts; CR = cilia rows." captionText-2="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri-0="https://zenodo.org/record/248603/files/figure.png" httpUri-1="https://zenodo.org/record/248604/files/figure.png" httpUri-2="https://zenodo.org/record/248605/files/figure.png" pageId="2" pageNumber="335">Figures 2–4</figureCitation>
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,
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<figureCitation id="1319A18AFFFFFF8C3E60B4D6084BFD6D" box="[307,336,654,678]" captionStart="FIGURE 12" captionStartId="14.[151,250,1100,1123]" captionTargetBox="[261,1325,193,1078]" captionTargetId="figure@14.[261,1325,193,1079]" captionTargetPageId="14" captionText="FIGURE 12. Methyl green staining of three Terebellides species found in the Adriatic Sea. LM pictures of anterior region in ventral (a – c) and lateral view (d – e). (a, d – e) T. mediterranea spec. nov., (b) T. gracilis, (c) T. stroemii." httpUri="https://zenodo.org/record/248613/files/figure.png" pageId="2" pageNumber="335">12</figureCitation>
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b, 13)
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</paragraph>
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<paragraph id="8B9DBD0FFFFFFF8C3FC4B48F0B01FD27" blockId="2.[151,974,726,810]" box="[151,538,726,749]" pageId="2" pageNumber="335">
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<taxonomicName id="4C22C68CFFFFFF8C3FC4B48F0B0DFD27" authority="Malm 1874: 100" authorityName="Malm" authorityPageNumber="100" authorityYear="1874" box="[151,534,726,749]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="335" phylum="Annelida" rank="species" species="gracilis">
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<emphasis id="B956611DFFFFFF8C3FC4B48F087FFD26" box="[151,356,727,749]" italics="true" pageId="2" pageNumber="335">Terebellides gracilis</emphasis>
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Malm 1874: 100
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C338EE84FFFFFF8C3FC4B4AD0A76FCE2" pageId="2" pageNumber="335" type="description">
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<paragraph id="8B9DBD0FFFFFFF8C3FC4B4AD0A76FCE2" blockId="2.[151,974,726,810]" pageId="2" pageNumber="335">
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<taxonomicName id="4C22C68CFFFFFF8C3FC4B4AD087FFCC0" box="[151,356,757,779]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="335" phylum="Annelida" rank="species" species="gracilis">
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<emphasis id="B956611DFFFFFF8C3FC4B4AD087FFCC0" box="[151,356,757,779]" italics="true" pageId="2" pageNumber="335">Terebellides gracilis</emphasis>
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</taxonomicName>
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—Hansson 1998: 77. Parapar
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<emphasis id="B956611DFFFFFF8C3DC6B4AE0BD3FCC0" box="[661,712,757,779]" italics="true" pageId="2" pageNumber="335">et al.</emphasis>
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2011: 11,
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<figureCitation id="1319A18AFFFFFF8C3C61B4AD0A83FCC1" box="[818,920,757,779]" captionStart-0="FIGURE 8" captionStart-1="FIGURE 9" captionStart-2="FIGURE 10" captionStartId-0="10.[151,250,1158,1181]" captionStartId-1="11.[151,250,1041,1064]" captionStartId-2="12.[151,250,1184,1207]" captionTargetBox-0="[151,1436,185,1151]" captionTargetBox-1="[243,1348,193,1025]" captionTargetBox-2="[151,1435,195,1162]" captionTargetId-0="figure@10.[151,1436,185,1151]" captionTargetId-1="figure@11.[243,1349,193,1026]" captionTargetId-2="figure@12.[151,1435,195,1163]" captionTargetPageId-0="10" captionTargetPageId-1="11" captionTargetPageId-2="12" captionText-0="FIGURE 8. SEM micrographs of Terebellides mediterranea spec. nov., from the Adriatic Sea (station SJ 007) (a) tip of buccal tentacle; (b) detail of nephridial opening of first thoracic chaetiger; (c) nephridial opening of thoracic chaetigers 4 and 5; (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 50 µm, (b) 25 µm, (c) 100 µm, (d) 45 µm." captionText-1="FIGURE 9. SEM micrographs of Terebellides stroemii Sars, 1835 from the Adriatic Sea (station LIM K 5) (a, b) anterior end, latero-ventral view, of two specimens; (c) papillar projections on edge of branchial lamellae; (d) ciliation of branchial lamellae. Scales: (a, b) 1 mm, (c) 100 µm, (d) 50 µm. CR = cilia rows; PP = papillar projection; star marking position of glandular region of fifth chaetiger." captionText-2="FIGURE 10. SEM micrographs of Terebellides stroemii Sars, 1835 from the Adriatic Sea (station LIM K 5) (a) geniculate chaetae of chaetiger 6; (b) detail of geniculate chaeta capitium; (c) thoracic uncini; (d) detail of rostral teeth of thoracic uncini. Scales: (a) 50 µm, (b) 5 µm, (c) 10 µm, (d) 3 µm." httpUri-0="https://zenodo.org/record/248609/files/figure.png" httpUri-1="https://zenodo.org/record/248610/files/figure.png" httpUri-2="https://zenodo.org/record/248611/files/figure.png" pageId="2" pageNumber="335">Figs 8–10</figureCitation>
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,
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<figureCitation id="1319A18AFFFFFF8C3CF0B4AD0AA5FCC1" box="[931,958,757,778]" captionStart="FIGURE 13" captionStartId="15.[151,250,1179,1202]" captionTargetBox="[167,1421,267,1158]" captionTargetId="figure@15.[166,1421,267,1158]" captionTargetPageId="15" captionText="FIGURE 13. Diagrammatic representation of several diagnostic body characters in three Adriatic Terebellides species. (a) Body staining patterns—following Schüller & Hutchings (2010) — in ventral view; chaetigers indicated in Arabic numbers, (b) Branchial and chaetiger characters in lateral view; segments indicated in Roman numbers. LBL = lower branchial lobes; UBL = upper branchial lobes; TM = tentacular membrane; LL = lower lobe; UL = upper lobe. Ventral (a) and lateral (b) lappets marked by bold lines." httpUri="https://zenodo.org/record/248614/files/figure.png" pageId="2" pageNumber="335">13</figureCitation>
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c.
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<taxonomicName id="4C22C68CFFFFFF8C3FC4B54C089FFCE1" box="[151,388,788,810]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="335" phylum="Annelida" rank="species" species="williamsae">
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<emphasis id="B956611DFFFFFF8C3FC4B54C089FFCE1" box="[151,388,788,810]" italics="true" pageId="2" pageNumber="335">Terebellides williamsae</emphasis>
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</taxonomicName>
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—Jirkov 1989: 124. Jirkov 2001: 529,
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<figureCitation id="1319A18AFFFFFF8C3C5DB54B0A72FCE2" box="[782,873,787,809]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="1.[151,250,1640,1663]" captionStartId-1="2.[151,250,1851,1874]" captionStartId-2="3.[151,250,1184,1207]" captionStartId-3="4.[153,252,1469,1492]" captionTargetBox-0="[255,1332,1058,1619]" captionTargetBox-1="[151,1435,862,1829]" captionTargetBox-2="[151,1436,195,1162]" captionTargetBox-3="[151,1436,481,1447]" captionTargetId-0="figure@1.[255,1332,1058,1619]" captionTargetId-1="figure@2.[151,1435,862,1830]" captionTargetId-2="figure@3.[151,1436,195,1163]" captionTargetId-3="figure@4.[151,1436,481,1448]" captionTargetPageId-0="1" captionTargetPageId-1="2" captionTargetPageId-2="3" captionTargetPageId-3="4" captionText-0="FIGURE 1. Map of the study area showing collecting stations." captionText-1="FIGURE 2. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH 1 = chaetiger 1, CT = cilia tufts." captionText-2="FIGURE 3. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-dorsal view; (b) edge and inner side of branchial lamellae; (c) geniculate chaetae of chaetiger 6 (broken at distal end); (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 300 µm, (b) 50 µm, (c) 15 µm, (d) 25 µm. CT = cilia tufts; CR = cilia rows." captionText-3="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri-0="https://zenodo.org/record/248602/files/figure.png" httpUri-1="https://zenodo.org/record/248603/files/figure.png" httpUri-2="https://zenodo.org/record/248604/files/figure.png" httpUri-3="https://zenodo.org/record/248605/files/figure.png" pageId="2" pageNumber="335">Figs 1–4</figureCitation>
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.
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</paragraph>
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</subSubSection>
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<caption id="DF5DED87FFFFFF8C3FC4B1630D36F844" httpUri="https://zenodo.org/record/248603/files/figure.png" pageId="2" pageNumber="335" targetBox="[151,1435,862,1829]" targetPageId="2">
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<paragraph id="8B9DBD0FFFFFFF8C3FC4B1630D36F844" blockId="2.[151,1437,1851,1935]" pageId="2" pageNumber="335">
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<emphasis id="B956611DFFFFFF8C3FC4B163080FF89B" bold="true" box="[151,276,1851,1874]" pageId="2" pageNumber="335">FIGURE 2.</emphasis>
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SEM micrographs of
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<taxonomicName id="4C22C68CFFFFFF8C3EA8B1630A44F899" authority="Malm, 1874" authorityName="Malm" authorityYear="1874" box="[507,863,1851,1874]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="335" phylum="Annelida" rank="species" species="gracilis">
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<emphasis id="B956611DFFFFFF8C3EA8B1630BD2F89A" box="[507,713,1851,1873]" italics="true" pageId="2" pageNumber="335">Terebellides gracilis</emphasis>
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(Malm, 1874)
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</taxonomicName>
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from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH1 = chaetiger 1, CT = cilia tufts.
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</paragraph>
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</caption>
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<caption id="DF5DED87FFFEFF8D3FC4B2F8081AFAD8" httpUri="https://zenodo.org/record/248604/files/figure.png" pageId="3" pageNumber="336" targetBox="[151,1436,195,1162]" targetPageId="3">
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<paragraph id="8B9DBD0FFFFEFF8D3FC4B2F8081AFAD8" blockId="3.[151,1436,1184,1299]" pageId="3" pageNumber="336">
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<emphasis id="B956611DFFFEFF8D3FC4B2F8080FFB7D" bold="true" box="[151,276,1184,1207]" pageId="3" pageNumber="336">FIGURE 3.</emphasis>
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SEM micrographs of
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<taxonomicName id="4C22C68CFFFEFF8D3EA8B2F90A44FB7C" authority="Malm, 1874" authorityName="Malm" authorityYear="1874" box="[507,863,1185,1207]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="336" phylum="Annelida" rank="species" species="gracilis">
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<emphasis id="B956611DFFFEFF8D3EA8B2F90BD2FB7C" box="[507,713,1185,1207]" italics="true" pageId="3" pageNumber="336">Terebellides gracilis</emphasis>
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(Malm, 1874)
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</taxonomicName>
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from the Adriatic Sea (station SJ 007) (a) anterior end, latero-dorsal view; (b) edge and inner side of branchial lamellae; (c) geniculate chaetae of chaetiger 6 (broken at distal end); (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 300 µm, (b) 50 µm, (c) 15 µm, (d) 25 µm. CT = cilia tufts; CR = cilia rows.
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</paragraph>
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</caption>
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<subSubSection id="C338EE84FFFEFF8A3FC4B3670AA8F8E6" lastPageId="4" lastPageNumber="337" pageId="3" pageNumber="336" type="materials_examined">
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<paragraph id="8B9DBD0FFFFEFF8D3FC4B3670D1BFA2C" blockId="3.[151,1437,1343,2016]" pageId="3" pageNumber="336">
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||
<emphasis id="B956611DFFFEFF8D3FC4B367089BFA93" bold="true" box="[151,384,1343,1368]" pageId="3" pageNumber="336">Material examined.</emphasis>
|
||
A total of
|
||
<specimenCount id="9D247686FFFEFF8D3EA9B3670B8AFA9C" box="[506,657,1343,1367]" pageId="3" pageNumber="336" type="generic">23 specimens</specimenCount>
|
||
were examined (27.4% of the total
|
||
<taxonomicName id="4C22C68CFFFEFF8D3B77B3670DB0FA9C" box="[1060,1195,1343,1367]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="336" phylum="Annelida" rank="genus">
|
||
<emphasis id="B956611DFFFEFF8D3B77B3670DB0FA9C" box="[1060,1195,1343,1367]" italics="true" pageId="3" pageNumber="336">Terebellides</emphasis>
|
||
</taxonomicName>
|
||
specimens collected) all from
|
||
<emphasis id="B956611DFFFEFF8D3FAFB33B08BDFAB7" bold="true" box="[252,422,1379,1404]" pageId="3" pageNumber="336">station SJ 0 0 7</emphasis>
|
||
:
|
||
<date id="FF9C9BCFFFFEFF8D3EE4B33B0B2EFAB0" box="[439,565,1379,1403]" pageId="3" pageNumber="336" value="2003-02-27">27.02.2003</date>
|
||
(PMR-14550, 2 specs.; PMR-14551, 1 spec.; PMR-14552, 1 spec. on SEM stub; PMR-14553, 1 spec. on SEM stub);
|
||
<date id="FF9C9BCFFFFEFF8D3D2EB3DF0BE1FA54" box="[637,762,1415,1439]" pageId="3" pageNumber="336" value="2003-05-28">28.05.2003</date>
|
||
(PMR-14554, 2 specs.; PMR-14555, 3 specs);
|
||
<date id="FF9C9BCFFFFEFF8D3A4DB3DF0C80FA54" box="[1310,1435,1415,1439]" pageId="3" pageNumber="336" value="2003-12-08">12.08.2003</date>
|
||
(MNCN 16.01/14714, 1 spec.; MNCN 16.01/14715, 2 specs.); 23.01.0 4 (2 specs.) (coll. BM);
|
||
<date id="FF9C9BCFFFFEFF8D3BA8B3F30C63FA08" box="[1275,1400,1451,1475]" pageId="3" pageNumber="336" value="2004-08-30">30.08.2004</date>
|
||
(2 specs.) (coll. BM); 0
|
||
<date id="FF9C9BCFFFFEFF8D3E2EB39708F5FA2C" box="[381,494,1487,1511]" pageId="3" pageNumber="336" value="2004-02-12">2.12.2004</date>
|
||
(PMR-14556, 3 specs.; PMR-14557, 3 specs.).
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFFEFF8D3F94B3AB0C1CF974" blockId="3.[151,1437,1343,2016]" pageId="3" pageNumber="336">
|
||
<emphasis id="B956611DFFFEFF8D3F94B3AB0B8AF9C7" bold="true" box="[199,657,1523,1548]" pageId="3" pageNumber="336">Description of Adriatic Sea specimens.</emphasis>
|
||
Complete specimens range from
|
||
<quantity id="4CDA10EAFFFEFF8D3B5BB3AB0D8EF9C0" box="[1032,1173,1523,1547]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" metricValueMax="1.8" metricValueMin="1.2" pageId="3" pageNumber="336" unit="mm" value="15.0" valueMax="18.0" valueMin="12.0">12 to 18 mm</quantity>
|
||
in length and 1.2 to 0.7 mm in width; body tapering posteriorly with segments becoming increasingly shorter and crowded towards pygidium. Prostomium compact; tentacular membrane surrounding mouth, with many long buccal tentacles with expanded tips. SGI forming an expanded structure below tentacular membrane. Lateral lappets on SGIII–VIII (
|
||
<collectingCountry id="F335FD9FFFFEFF8D3FCCB0DB09D1F950" box="[159,202,1667,1691]" name="Switzerland" pageId="3" pageNumber="336">CH</collectingCountry>
|
||
1–6) (
|
||
<figureCitation id="1319A18AFFFEFF8D3E43B0DB0842F950" box="[272,345,1667,1691]" captionStart="FIGURE 2" captionStartId="2.[151,250,1851,1874]" captionTargetBox="[151,1435,862,1829]" captionTargetId="figure@2.[151,1435,862,1830]" captionTargetPageId="2" captionText="FIGURE 2. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH 1 = chaetiger 1, CT = cilia tufts." httpUri="https://zenodo.org/record/248603/files/figure.png" pageId="3" pageNumber="336">Fig. 2</figureCitation>
|
||
a) being larger and continuing ventrally on SG III to VI, declining in size posteriorly. No conspicuous dorsal rounded projection in anterior chaetigers or oval-shaped glandular region in
|
||
<collectingCountry id="F335FD9FFFFEFF8D3B98B0FF0DECF974" box="[1227,1271,1703,1727]" name="Switzerland" pageId="3" pageNumber="336">CH</collectingCountry>
|
||
3.
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFFEFF8D3F94B0930898F85C" blockId="3.[151,1437,1343,2016]" pageId="3" pageNumber="336">
|
||
Branchiae arising as single structure from SGIII, consisting of single stalked structure located mid-dorsally (
|
||
<figureCitation id="1319A18AFFFEFF8D3FCCB0B709F2F8CC" box="[159,233,1775,1799]" captionStart="FIGURE 2" captionStartId="2.[151,250,1851,1874]" captionTargetBox="[151,1435,862,1829]" captionTargetId="figure@2.[151,1435,862,1830]" captionTargetPageId="2" captionText="FIGURE 2. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH 1 = chaetiger 1, CT = cilia tufts." httpUri="https://zenodo.org/record/248603/files/figure.png" pageId="3" pageNumber="336">Figs 2</figureCitation>
|
||
a, 3a) made up of two posterior pairs of lobes fused along less than one third of their length; lower pair slightly shorter than upper pair. Pointed projection of posterior region of lobes present in lower lobes. Anterior branchial projection (fifth lobe) not conspicuous. Both sides of branchial lamellae provided with several parallel bent rows of cilia and outer tufts of cilia (
|
||
<figureCitation id="1319A18AFFFEFF8D3D20B1030BA7F8B8" box="[627,700,1883,1907]" captionStart="FIGURE 2" captionStartId="2.[151,250,1851,1874]" captionTargetBox="[151,1435,862,1829]" captionTargetId="figure@2.[151,1435,862,1830]" captionTargetPageId="2" captionText="FIGURE 2. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH 1 = chaetiger 1, CT = cilia tufts." httpUri="https://zenodo.org/record/248603/files/figure.png" pageId="3" pageNumber="336">Figs 2</figureCitation>
|
||
b, c; 3b). Branchial lamellae less tightly packed than in the other two Adriatic species.
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFFEFF8A3F94B1FB09E3FE67" blockId="3.[151,1437,1343,2016]" lastBlockId="4.[151,1436,151,428]" lastPageId="4" lastPageNumber="337" pageId="3" pageNumber="336">
|
||
Eighteen pairs of thoracic notopodia (SGIII–XX). Notopodia and notochaetae of first chaetiger not visible in some specimens (
|
||
<figureCitation id="1319A18AFFFEFF8D3E34B19008ABF82B" box="[359,432,1992,2016]" captionStart="FIGURE 2" captionStartId="2.[151,250,1851,1874]" captionTargetBox="[151,1435,862,1829]" captionTargetId="figure@2.[151,1435,862,1830]" captionTargetPageId="2" captionText="FIGURE 2. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-ventral view; (b) edge of branchial lamellae; (c) detail of branchial ciliation; (d) detail of first three thoracic chaetigers. Scales: (a) 450 µm, (b) 45 µm, (c) 10 µm, (d) 200 µm. CH 1 = chaetiger 1, CT = cilia tufts." httpUri="https://zenodo.org/record/248603/files/figure.png" pageId="3" pageNumber="336">Fig. 2</figureCitation>
|
||
a, d); chaetae present only in larger specimens but much shorter than on subsequent notopodia (
|
||
<figureCitation id="1319A18AFFF9FF8A3E4AB6CF0845FF64" box="[281,350,151,175]" captionStart="FIGURE 3" captionStartId="3.[151,250,1184,1207]" captionTargetBox="[151,1436,195,1162]" captionTargetId="figure@3.[151,1436,195,1163]" captionTargetPageId="3" captionText="FIGURE 3. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-dorsal view; (b) edge and inner side of branchial lamellae; (c) geniculate chaetae of chaetiger 6 (broken at distal end); (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 300 µm, (b) 50 µm, (c) 15 µm, (d) 25 µm. CT = cilia tufts; CR = cilia rows." httpUri="https://zenodo.org/record/248604/files/figure.png" pageId="4" pageNumber="337">Fig. 3</figureCitation>
|
||
a). Neuropodia present as sessile pinnules from
|
||
<collectingCountry id="F335FD9FFFF9FF8A3CDBB6CF0AABFF64" box="[904,944,151,175]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
6 (SGVIII) to pygidium and provided with uncini in single rows throughout (
|
||
<figureCitation id="1319A18AFFF9FF8A3D4FB6E40B78FF1F" box="[540,611,188,212]" captionStart="FIGURE 4" captionStartId="4.[153,252,1469,1492]" captionTargetBox="[151,1436,481,1447]" captionTargetId="figure@4.[151,1436,481,1448]" captionTargetPageId="4" captionText="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri="https://zenodo.org/record/248605/files/figure.png" pageId="4" pageNumber="337">Fig. 4</figureCitation>
|
||
a). The absence of notochaetae in first chaetiger in most specimens may lead to the erroneous observation that first neuropodium is located on
|
||
<collectingCountry id="F335FD9FFFF9FF8A3CA1B6870D00FF3C" box="[1010,1051,223,247]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
5 instead of
|
||
<collectingCountry id="F335FD9FFFF9FF8A3BE4B6870DF9FF3C" box="[1207,1250,223,247]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
6. First thoracic neuropodia provided with 5
|
||
<emphasis id="B956611DFFF9FF8A3E9FB75C08C1FED7" bold="true" box="[460,474,260,284]" pageId="4" pageNumber="337">–</emphasis>
|
||
7 sharply bent, acute tipped, geniculate acicular hooks (
|
||
<figureCitation id="1319A18AFFF9FF8A3B14B75C0D91FED7" box="[1095,1162,260,284]" captionStart="FIGURE 3" captionStartId="3.[151,250,1184,1207]" captionTargetBox="[151,1436,195,1162]" captionTargetId="figure@3.[151,1436,195,1163]" captionTargetPageId="3" captionText="FIGURE 3. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-dorsal view; (b) edge and inner side of branchial lamellae; (c) geniculate chaetae of chaetiger 6 (broken at distal end); (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 300 µm, (b) 50 µm, (c) 15 µm, (d) 25 µm. CT = cilia tufts; CR = cilia rows." httpUri="https://zenodo.org/record/248604/files/figure.png" pageId="4" pageNumber="337">Fig. 3</figureCitation>
|
||
c). Minute teeth forming a
|
||
<emphasis id="B956611DFFF9FF8A3FFEB7710814FE8B" box="[173,271,297,320]" italics="true" pageId="4" pageNumber="337">capitium</emphasis>
|
||
on geniculate chaetae not observed. Second and all subsequent thoracic neuropodia with up to 7–10 uncini per torus (
|
||
<figureCitation id="1319A18AFFF9FF8A3E0EB71408BEFEAF" box="[349,421,332,356]" captionStart="FIGURE 4" captionStartId="4.[153,252,1469,1492]" captionTargetBox="[151,1436,481,1447]" captionTargetId="figure@4.[151,1436,481,1448]" captionTargetPageId="4" captionText="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri="https://zenodo.org/record/248605/files/figure.png" pageId="4" pageNumber="337">Fig. 4</figureCitation>
|
||
a). Uncini provided with long shafted denticulate hooks with 2
|
||
<emphasis id="B956611DFFF9FF8A3B24B7140D9EFEAF" bold="true" box="[1143,1157,332,356]" pageId="4" pageNumber="337">–</emphasis>
|
||
4 teeth above main fang surmounted by 4
|
||
<emphasis id="B956611DFFF9FF8A3E04B728087EFE43" bold="true" box="[343,357,368,392]" pageId="4" pageNumber="337">–</emphasis>
|
||
5 shorter teeth and an upper crest of several smaller denticles (
|
||
<figureCitation id="1319A18AFFF9FF8A3B64B7370D67FE4C" box="[1079,1148,367,391]" captionStart="FIGURE 4" captionStartId="4.[153,252,1469,1492]" captionTargetBox="[151,1436,481,1447]" captionTargetId="figure@4.[151,1436,481,1448]" captionTargetPageId="4" captionText="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri="https://zenodo.org/record/248605/files/figure.png" pageId="4" pageNumber="337">Fig. 4</figureCitation>
|
||
b), dental formula MF:2– 4:4–5:∞.
|
||
</paragraph>
|
||
<caption id="DF5DED87FFF9FF8A3FCAB3E509A4F9DA" httpUri="https://zenodo.org/record/248605/files/figure.png" pageId="4" pageNumber="337" targetBox="[151,1436,481,1447]" targetPageId="4">
|
||
<paragraph id="8B9DBD0FFFF9FF8A3FCAB3E509A4F9DA" blockId="4.[151,1436,1469,1553]" pageId="4" pageNumber="337">
|
||
<emphasis id="B956611DFFF9FF8A3FCAB3E50802FA18" bold="true" box="[153,281,1469,1492]" pageId="4" pageNumber="337">FIGURE 4.</emphasis>
|
||
SEM micrographs of
|
||
<taxonomicName id="4C22C68CFFF9FF8A3D59B3E60A6DFA1F" authority="Malm, 1874" authorityName="Malm" authorityYear="1874" box="[522,886,1469,1492]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="337" phylum="Annelida" rank="species" species="gracilis">
|
||
<emphasis id="B956611DFFF9FF8A3D59B3E60BC0FA1F" box="[522,731,1470,1492]" italics="true" pageId="4" pageNumber="337">Terebellides gracilis</emphasis>
|
||
(Malm, 1874)
|
||
</taxonomicName>
|
||
from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9DBD0FFFF9FF8A3F94B0660D5EF956" blockId="4.[151,1436,1597,2018]" pageId="4" pageNumber="337">
|
||
Between 30−32 abdominal neuropodia as erect pinnules provided with about 22 uncini per torus (
|
||
<figureCitation id="1319A18AFFF9FF8A3A6AB0650C9BF99E" box="[1337,1408,1597,1621]" captionStart="FIGURE 4" captionStartId="4.[153,252,1469,1492]" captionTargetBox="[151,1436,481,1447]" captionTargetId="figure@4.[151,1436,481,1448]" captionTargetPageId="4" captionText="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri="https://zenodo.org/record/248605/files/figure.png" pageId="4" pageNumber="337">Fig. 4</figureCitation>
|
||
c); uncini with 5 teeth above main fang surmounted by a crest of 4–5 shorter teeth and a variable number of smaller teeth (
|
||
<figureCitation id="1319A18AFFF9FF8A3F8FB0DD083AF956" box="[220,289,1669,1693]" captionStart="FIGURE 4" captionStartId="4.[153,252,1469,1492]" captionTargetBox="[151,1436,481,1447]" captionTargetId="figure@4.[151,1436,481,1448]" captionTargetPageId="4" captionText="FIGURE 4. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) thoracic unciniger; (b) thoracic uncini; (c) abdominal unciniger; (d) abdominal uncini. Scales: (a) 25 µm, (b) 10 µm, (c) 30 µm, (d) 5 µm." httpUri="https://zenodo.org/record/248605/files/figure.png" pageId="4" pageNumber="337">Fig. 4</figureCitation>
|
||
d); dental formula MF:5:4–5:∞. Pygidium blunt, funnel-like depression.
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFF9FF8A3F94B0F10DF4F90A" blockId="4.[151,1436,1597,2018]" box="[199,1263,1705,1729]" pageId="4" pageNumber="337">
|
||
One large, button-hole like nephridial opening on each notopodium of
|
||
<collectingCountry id="F335FD9FFFF9FF8A3C8DB0F10D1EF90A" box="[990,1029,1705,1729]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
4 and
|
||
<collectingCountry id="F335FD9FFFF9FF8A3B19B0F10D68F90A" box="[1098,1139,1705,1729]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
5 (
|
||
<figureCitation id="1319A18AFFF9FF8A3BDDB0F10DCBF90A" box="[1166,1232,1705,1729]" captionStart="FIGURE 3" captionStartId="3.[151,250,1184,1207]" captionTargetBox="[151,1436,195,1162]" captionTargetId="figure@3.[151,1436,195,1163]" captionTargetPageId="3" captionText="FIGURE 3. SEM micrographs of Terebellides gracilis (Malm, 1874) from the Adriatic Sea (station SJ 007) (a) anterior end, latero-dorsal view; (b) edge and inner side of branchial lamellae; (c) geniculate chaetae of chaetiger 6 (broken at distal end); (d) detail of nephridial opening of thoracic chaetiger 5. Scales: (a) 300 µm, (b) 50 µm, (c) 15 µm, (d) 25 µm. CT = cilia tufts; CR = cilia rows." httpUri="https://zenodo.org/record/248604/files/figure.png" pageId="4" pageNumber="337">Fig. 3</figureCitation>
|
||
d).
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFF9FF8A3F94B0950AA8F8E6" blockId="4.[151,1436,1597,2018]" pageId="4" pageNumber="337">
|
||
MG staining pattern 2 (
|
||
<figureCitation id="1319A18AFFF9FF8A3E8AB0950B29F92E" box="[473,562,1741,1765]" captionStart="FIGURE 12" captionStartId="14.[151,250,1100,1123]" captionTargetBox="[261,1325,193,1078]" captionTargetId="figure@14.[261,1325,193,1079]" captionTargetPageId="14" captionText="FIGURE 12. Methyl green staining of three Terebellides species found in the Adriatic Sea. LM pictures of anterior region in ventral (a – c) and lateral view (d – e). (a, d – e) T. mediterranea spec. nov., (b) T. gracilis, (c) T. stroemii." httpUri="https://zenodo.org/record/248613/files/figure.png" pageId="4" pageNumber="337">Figs 12</figureCitation>
|
||
b, 13a): compact green colouration in
|
||
<collectingCountry id="F335FD9FFFF9FF8A3CBCB0950D00F92E" box="[1007,1051,1741,1765]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
1
|
||
<emphasis id="B956611DFFF9FF8A3B77B0960D29F92D" bold="true" box="[1060,1074,1742,1766]" pageId="4" pageNumber="337">–</emphasis>
|
||
10, quickly fading in following segments.
|
||
<collectingCountry id="F335FD9FFFF9FF8A3E42B0A90826F8C2" box="[273,317,1777,1801]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
1
|
||
<emphasis id="B956611DFFF9FF8A3E16B0AA0848F8C1" bold="true" box="[325,339,1778,1802]" pageId="4" pageNumber="337">–</emphasis>
|
||
3 slightly and
|
||
<collectingCountry id="F335FD9FFFF9FF8A3EADB0A90B3EF8C2" box="[510,549,1777,1801]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
4 much less stained than anterior and posterior ones. Colour in alcohol pale brown with four anterior thoracic chaetigers ventrally white (
|
||
<figureCitation id="1319A18AFFF9FF8A3C17B14D0A8EF8E6" box="[836,917,1813,1837]" captionStart="FIGURE 13" captionStartId="15.[151,250,1179,1202]" captionTargetBox="[167,1421,267,1158]" captionTargetId="figure@15.[166,1421,267,1158]" captionTargetPageId="15" captionText="FIGURE 13. Diagrammatic representation of several diagnostic body characters in three Adriatic Terebellides species. (a) Body staining patterns—following Schüller & Hutchings (2010) — in ventral view; chaetigers indicated in Arabic numbers, (b) Branchial and chaetiger characters in lateral view; segments indicated in Roman numbers. LBL = lower branchial lobes; UBL = upper branchial lobes; TM = tentacular membrane; LL = lower lobe; UL = upper lobe. Ventral (a) and lateral (b) lappets marked by bold lines." httpUri="https://zenodo.org/record/248614/files/figure.png" pageId="4" pageNumber="337">Fig. 13</figureCitation>
|
||
b).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C338EE84FFF9FF8B3F94B1620AB6FC97" lastPageId="5" lastPageNumber="338" pageId="4" pageNumber="337" type="discussion">
|
||
<paragraph id="8B9DBD0FFFF9FF8A3F94B1620A54F875" blockId="4.[151,1436,1597,2018]" pageId="4" pageNumber="337">
|
||
<emphasis id="B956611DFFF9FF8A3F94B1620820F899" bold="true" box="[199,315,1850,1874]" pageId="4" pageNumber="337">Remarks.</emphasis>
|
||
Hansson (1998) proposed to recover
|
||
<taxonomicName id="4C22C68CFFF9FF8A3C52B1630A6CF899" box="[769,887,1850,1874]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="337" phylum="Annelida" rank="species" species="gracilis">
|
||
<emphasis id="B956611DFFF9FF8A3C52B1630A6CF899" box="[769,887,1850,1874]" italics="true" pageId="4" pageNumber="337">T. gracilis</emphasis>
|
||
</taxonomicName>
|
||
from the synonymy of
|
||
<taxonomicName id="4C22C68CFFF9FF8A3BC9B1630C0FF899" box="[1178,1300,1851,1874]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="337" phylum="Annelida" rank="species" species="stroemii">
|
||
<emphasis id="B956611DFFF9FF8A3BC9B1630C0FF899" box="[1178,1300,1851,1874]" italics="true" pageId="4" pageNumber="337">T. stroemii</emphasis>
|
||
</taxonomicName>
|
||
due to the presence of four white ventrally colored thoracic segments (SGIII–VI;
|
||
<collectingCountry id="F335FD9FFFF9FF8A3CB1B1050D17F8BE" box="[994,1036,1885,1909]" name="Switzerland" pageId="4" pageNumber="337">CH</collectingCountry>
|
||
1–4) in
|
||
<taxonomicName id="4C22C68CFFF9FF8A3B39B1070DFBF8BD" box="[1130,1248,1886,1910]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="337" phylum="Annelida" rank="species" species="gracilis">
|
||
<emphasis id="B956611DFFF9FF8A3B39B1070DFBF8BD" box="[1130,1248,1886,1910]" italics="true" pageId="4" pageNumber="337">T. gracilis</emphasis>
|
||
</taxonomicName>
|
||
. Following this opinion, Parapar
|
||
<emphasis id="B956611DFFF9FF8A3E04B1DB088BF851" box="[343,400,1922,1946]" italics="true" pageId="4" pageNumber="337">et al.</emphasis>
|
||
(2011) redescribed the species from material collected in the BIOICE project in
|
||
<collectingCountry id="F335FD9FFFF9FF8A3A49B1D90C77F852" box="[1306,1388,1921,1945]" name="Iceland" pageId="4" pageNumber="337">Iceland</collectingCountry>
|
||
and proposed also
|
||
<taxonomicName id="4C22C68CFFF9FF8A3E6BB1FF0B45F876" authority="Jirkov, 1989" authorityName="Jirkov" authorityYear="1989" box="[312,606,1957,1982]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="337" phylum="Annelida" rank="species" species="williamsae">
|
||
<emphasis id="B956611DFFF9FF8A3E6BB1FF08D6F875" box="[312,461,1958,1982]" italics="true" pageId="4" pageNumber="337">T. williamsae</emphasis>
|
||
Jirkov, 1989
|
||
</taxonomicName>
|
||
as a junior synonym.
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFF9FF8B3F94B1920D25FDDC" blockId="4.[151,1436,1597,2018]" lastBlockId="5.[151,1436,151,967]" lastPageId="5" lastPageNumber="338" pageId="4" pageNumber="337">
|
||
<taxonomicName id="4C22C68CFFF9FF8A3F94B19208B0F829" box="[199,427,1994,2018]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="337" phylum="Annelida" rank="species" species="gracilis">
|
||
<emphasis id="B956611DFFF9FF8A3F94B19208B0F829" box="[199,427,1994,2018]" italics="true" pageId="4" pageNumber="337">Terebellides gracilis</emphasis>
|
||
</taxonomicName>
|
||
was until now found in the Norwegian and Barents Seas (Malm 1874; Jirkov 1989) and
|
||
<collectingCountry id="F335FD9FFFF8FF8B3FC4B6CF09F1FF64" box="[151,234,151,175]" name="Iceland" pageId="5" pageNumber="338">Iceland</collectingCountry>
|
||
(Parapar
|
||
<emphasis id="B956611DFFF8FF8B3E33B6C1088EFF7B" box="[352,405,152,176]" italics="true" pageId="5" pageNumber="338">et al</emphasis>
|
||
. 2011). Our Mediterranean records extend the range of the species into quite different ecological conditions compared to those where it was recorded so far. However, the finding of this species in the Northern Adriatic Sea is not so surprising and it supports the strong boreal affinity of this region, as well as its ecological and biogeographical similarities with the North Atlantic, which have previously been documented (Bianchi
|
||
<emphasis id="B956611DFFF8FF8B3E53B7710820FE8B" box="[256,315,296,320]" italics="true" pageId="5" pageNumber="338">et al.</emphasis>
|
||
2004; Boero & Bonsdorff 2007). The Adriatic Sea is the northernmost Mediterranean region and together with the Gulf of Lions and the Northern Aegean Sea the coldest sector of the Mediterranean. It is geomorphologically, hydrographically and biogeographically a peculiar Mediterranean region with lower average temperatures that allow the presence of a specific flora and fauna with cold water affinities (Mikac & Musco 2010). Our research showed that Adriatic specimens of
|
||
<taxonomicName id="4C22C68CFFF8FF8B3D97B7E10A2CFE1B" box="[708,823,440,464]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="338" phylum="Annelida" rank="species" species="gracilis">
|
||
<emphasis id="B956611DFFF8FF8B3D97B7E10A2CFE1B" box="[708,823,440,464]" italics="true" pageId="5" pageNumber="338">T. gracilis</emphasis>
|
||
</taxonomicName>
|
||
are slightly shorter than boreo-arctic specimens. This feature could be a morphological variability due to the different ecological conditions in which specimens are living. Further molecular analyses could possibly assist to clarify this phenomenon.
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFF8FF8B3F94B47C0C68FD6C" blockId="5.[151,1436,151,967]" pageId="5" pageNumber="338">
|
||
Adriatic specimens are slightly shorter (12–18 vs
|
||
<quantity id="4CDA10EAFFF8FF8B3DACB47C0A61FDF7" box="[767,890,548,572]" metricMagnitude="-2" metricUnit="m" metricValue="1.75" metricValueMax="2.5" metricValueMin="1.0" pageId="5" pageNumber="338" unit="mm" value="17.5" valueMax="25.0" valueMin="10.0">10–25 mm</quantity>
|
||
) and have less abdominal chaetigers (30–32 vs. about 43) and less uncini (22 vs. 45) than boreo-arctic specimens. Also, the chaetae from first thoracic chaetiger are less conspicuous than in Icelandic specimens and the dental formula of thoracic uncini differs, with two teeth surmounting the main fang in North Atlantic specimens (MF:2:5:∞) but
|
||
<quantity id="4CDA10EAFFF8FF8B3C91B4D70D10FD6C" box="[962,1035,655,679]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" metricValueMax="10.16" metricValueMin="5.08" pageId="5" pageNumber="338" unit="in" value="3.0" valueMax="4.0" valueMin="2.0">2−4 in</quantity>
|
||
Adriatic ones (MF:2−4:4−5:∞).
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFF8FF8B3F94B4EC0D9DFD24" blockId="5.[151,1436,151,967]" pageId="5" pageNumber="338">
|
||
The staining pattern coincides with one of the Icelandic specimens although Parapar
|
||
<emphasis id="B956611DFFF8FF8B3BD5B4ED0DA4FD07" box="[1158,1215,692,716]" italics="true" pageId="5" pageNumber="338">et al.</emphasis>
|
||
(2011) erroneously reported pattern 4 for those specimens instead of 2 (Parapar
|
||
<emphasis id="B956611DFFF8FF8B3C69B4810A69FD3B" box="[826,882,728,752]" italics="true" pageId="5" pageNumber="338">et al.</emphasis>
|
||
2011, page 19, Table 1).
|
||
</paragraph>
|
||
<paragraph id="8B9DBD0FFFF8FF8B3F94B4A30AB6FC97" blockId="5.[151,1436,151,967]" pageId="5" pageNumber="338">
|
||
<emphasis id="B956611DFFF8FF8B3F94B4A30831FCDF" bold="true" box="[199,298,763,788]" pageId="5" pageNumber="338">Habitat.</emphasis>
|
||
Found at shelf depths (
|
||
<quantity id="4CDA10EAFFF8FF8B3D01B4A40BC1FCDF" box="[594,730,764,788]" metricMagnitude="2" metricUnit="m" metricValue="3.875" metricValueMax="3.9" metricValueMin="3.85" pageId="5" pageNumber="338" unit="m" value="387.5" valueMax="390.0" valueMin="385.0">385–390 m</quantity>
|
||
) in Scandinavian and Russian waters (Jirkov, 1989; 2001; Hansson, 1998). North and South coast of
|
||
<collectingCountry id="F335FD9FFFF8FF8B3D28B5470BCAFCFC" box="[635,721,799,823]" name="Iceland" pageId="5" pageNumber="338">Iceland</collectingCountry>
|
||
; 68 to 2076 meters depth (Parapar
|
||
<emphasis id="B956611DFFF8FF8B3B0CB5790D8AFCF3" box="[1119,1169,800,824]" italics="true" pageId="5" pageNumber="338">et al</emphasis>
|
||
., 2011). In the Adriatic Sea the species was found on the offshore station in silty sand at
|
||
<specimenCount id="9D247686FFF8FF8B3C3EB51C0AB6FC97" box="[877,941,836,860]" pageId="5" pageNumber="338" type="generic">
|
||
<quantity id="4CDA10EAFFF8FF8B3C3EB51C0AB2FC97" box="[877,937,836,860]" metricMagnitude="1" metricUnit="m" metricValue="3.1" pageId="5" pageNumber="338" unit="m" value="31.0">31 m</quantity>
|
||
.
|
||
</specimenCount>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C338EE84FFF8FF8B3F94B53F0A7CFC0C" pageId="5" pageNumber="338" type="distribution">
|
||
<paragraph id="8B9DBD0FFFF8FF8B3F94B53F0A7CFC0C" blockId="5.[151,1436,151,967]" pageId="5" pageNumber="338">
|
||
<emphasis id="B956611DFFF8FF8B3F94B53F087BFC4B" bold="true" box="[199,352,871,896]" pageId="5" pageNumber="338">Distribution.</emphasis>
|
||
Norwegian Sea and Barents Sea (Malm 1874; Jirkov 1989);
|
||
<collectingCountry id="F335FD9FFFF8FF8B3B70B53F0D6EFCB4" box="[1059,1141,871,895]" name="Iceland" pageId="5" pageNumber="338">Iceland</collectingCountry>
|
||
(Parapar
|
||
<emphasis id="B956611DFFF8FF8B3BB5B5310C01FC4B" box="[1254,1306,872,896]" italics="true" pageId="5" pageNumber="338">et al</emphasis>
|
||
. 2011) and Adriatic Sea. Our finding in the Adriatic Sea represents the first record of this species in the Mediterranean Sea, and considerably expands the southern boundary of this species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |