treatments-xml/data/03/F3/10/03F3107D0D365CBF87347954AD5ED893.xml

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<mods:title id="F851FBE2535F0A09EF3B667257D33191">A further step towards the characterisation of Terebellides (Annelida, Trichobranchidae) diversity in the Northeast Atlantic, with the description of a new species</mods:title>
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<mods:namePart id="387B4DE35487419C6BCC35267F4E929D">Barroso, Maria</mods:namePart>
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<mods:namePart id="5490FD62827E6798B5F9747979E28356">Moreira, Juan</mods:namePart>
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<mods:affiliation id="62D3C51CF2C517E932A665D1C3A9DC12">Departamento de Biologia (Zoologia) &amp; Centro de Investigacion en Biodiversidad y Cambio Global (CIBC-UAM), Facultad de Ciencias, Universidad Autonoma de Madrid, Madrid, Spain</mods:affiliation>
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<mods:namePart id="FCFC8733EDD12E8F2AE3BAB5EFF15FE3">Capa, Maria</mods:namePart>
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<mods:affiliation id="5C8577D96B3590965D7BD417B694DD7D">Departament de Biologia, Universitat de les Illes Balears, Mallorca, Spain</mods:affiliation>
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<mods:namePart id="26C2BA2A572ED4606553B968F68DD3DF">Nygren, Arne</mods:namePart>
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<mods:affiliation id="F7B98795A72F60E6043B8FD1B9640BFB">Sjoefartmuseet Akvariet, Goeteborg, Sweden &amp; Institutionen foer marina vetenskaper, Goeteborgs Universitet, Goeteborg, Sweden</mods:affiliation>
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<mods:namePart id="327E3FBE6F60A8A2499E423C57E621A8">Parapar, Julio</mods:namePart>
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<treatment id="03F3107D0D365CBF87347954AD5ED893" ID-GBIF-Taxon="205186682" LSID="urn:lsid:plazi:treatment:03F3107D0D365CBF87347954AD5ED893" httpUri="http://treatment.plazi.org/id/03F3107D0D365CBF87347954AD5ED893" lastPageNumber="85" pageId="0" pageNumber="85" scope_family="Trichobranchidae" scope_phylum="Annelida">
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<paragraph id="CE747C629C44AC9994EA761517C39486" pageId="0" pageNumber="85">
<taxonomicName id="A3167926DD8F4FD6BA12A739B61A75A2" ID-CoL="7BQ9R" LSID="03F3107D-0D36-5CBF-8734-7954AD5ED893" authority="Williams, 1984" authorityName="Williams" authorityYear="1984" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Terebellides atlantis" order="Terebellida" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">Terebellides atlantis Williams, 1984</taxonomicName>
</paragraph>
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<paragraph id="26B4D88C8033006A93847CB76E559DC4" pageId="0" pageNumber="85">
<figureCitation id="109FF6195425545CA916620D3E9620D8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. STM photographs of several Terebellides species (A, C-F non-type specimens) A Terebellides shetlandica Parapar, Moreira &amp; O'Reilly, 2016 (species 1; ZMBN 116186) B Terebellides lavesquei sp. nov. (species 5; holotype, ZMBN 116322) C Terebellides atlantis Williams, 1984 (species 16; ZMBN 116472) D Terebellides irinae Gagaev, 2009 (species 24; ZMBN 116498) E Terebellides williamsae Jirkov, 1989 (species 2; ZMBN 116269) F Terebellides gracilis Malm, 1874 (species 3; ZMBN 116283). Abbreviations: bdl - branchial dorsal lobe; bf - branchial filament; bvl - branchial ventral lobe; ooc - oocytes; wTC - white thoracic chaetiger." figureDoi="10.3897/zookeys.1132.91244.figure3" httpUri="https://binary.pensoft.net/fig/775019" pageId="0" pageNumber="85">Figs 3C</figureCitation>
<figureCitation id="3D4B4BE36CA56F01A7CEA91337F5FA34" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Terebellides atlantis Williams, 1984 (species 16; non-type specimens, ZMBN 116454 and ZMBN 116459), SEM micrographs A anterior end, left lateral view B branchiae, detail C TC 6 (TU 1), geniculate chaetae D thoracic uncini E abdominal neuropodium F abdominal uncini. Abbreviations: bf - branchial filament; bvl - branchial ventral lobe; cap - capitium; dpn - dorsal projection of notopodium; TC - thoracic chaetiger; TU - thoracic unciniger." figureDoi="10.3897/zookeys.1132.91244.figure8" httpUri="https://binary.pensoft.net/fig/775024" pageId="0" pageNumber="85">, 8</figureCitation>
<figureCitation id="577C43C9B9399793A95D608DDEE4DFF8" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Relationship between number of abdominal chaetigers and body length (complete specimens considered except for T. irinae)." figureDoi="10.3897/zookeys.1132.91244.figure9" httpUri="https://binary.pensoft.net/fig/775025" pageId="0" pageNumber="85">, 9</figureCitation>
<figureCitation id="40E918912F7FCCEED0665FC7C3A5EFD7" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Geographic distribution of species of Terebellides in Northeast Atlantic Ocean A Terebellides shetlandica Parapar, Moreira &amp; O'Reilly, 2016 B Terebellides lavesquei sp. nov. C Terebellides atlantis Williams, 1984 D Terebellides irinae Gagaev, 2009 E Terebellides williamsae Jirkov, 1989 F Terebellides gracilis Malm, 1874. Pink star denotes the type locality of each taxon." figureDoi="10.3897/zookeys.1132.91244.figure10" httpUri="https://binary.pensoft.net/fig/775026" pageId="0" pageNumber="85">, 10C</figureCitation>
<figureCitation id="913083D08E8B0652D06637397C037EB9" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Bathymetric distribution of Terebellides species studied in this work." figureDoi="10.3897/zookeys.1132.91244.figure11" httpUri="https://binary.pensoft.net/fig/775027" pageId="0" pageNumber="85">, 11</figureCitation>
<figureCitation id="899233341B10DD677AF825A3CBBB1DED" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Body MG staining patterns in ventral view of Terebellides species. Terebellides shetlandica Parapar, Moreira &amp; O'Reilly, 2016, Terebellides lavesquei sp. nov., Terebellides atlantis Williams, 1984, Terebellides irinae Gagaev, 2009, Terebellides williamsae Jirkov, 1989 and Terebellides gracilis Malm, 1874. Segments indicated in Arabic numbers." figureDoi="10.3897/zookeys.1132.91244.figure12" httpUri="https://binary.pensoft.net/fig/775028" pageId="0" pageNumber="85">, 12</figureCitation>
</paragraph>
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<paragraph id="BB61E4CD1DF7EB08DE780C9493C3E155" pageId="0" pageNumber="85">
<taxonomicName id="89FC72CE65602F4505AC568C1D5F5180" authorityName="Williams" authorityYear="1984" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Terebellides atlantis" order="Terebellida" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">Terebellides atlantis</taxonomicName>
Williams, 1984: 121-123, fig. 4, table 1.
</paragraph>
<paragraph id="343E548658497FBBB0F8B53B6539757D" pageId="0" pageNumber="85">
<taxonomicName id="FF8BDCE2017BAED7B51D79E6F2CF8079" authorityName="Williams" authorityYear="1984" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Terebellides atlantis" order="Terebellida" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">Terebellides atlantis</taxonomicName>
Species 16 -
<bibRefCitation id="56A5937E1FA460E7DB298D4738383171" DOI="https://doi.org/10.1371/journal.pone.0198356" author="Nygren, A" journalOrPublisher="Molecular Phylogenetics and Evolution" pageId="0" pageNumber="85" refId="B26" refString="Nygren, A, Parapar, J, Pons, J, Meissner, K, Bakken, T, Kongsrud, JA, Oug, E, Gaeva, D, Sikorski, A, Johansen, RA, Hutchings, PA, Lavesque, N, Capa, M, 2018. A mega-cryptic species complex hidden among one of the most common annelids in the North-East Atlantic. PLoS ONE 13(6): e0198356. https://doi.org/10.1371/journal.pone.0198356" title="A mega-cryptic species complex hidden among one of the most common annelids in the North-East Atlantic. PLoS ONE 13 (6): e 0198356." url="https://doi.org/10.1371/journal.pone.0198356" year="2018">Nygren et al. 2018</bibRefCitation>
: 18-22, figs 6, 10.
</paragraph>
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<paragraph id="5B3EB724CA16DB8E1B003D11E35C0462" pageId="0" pageNumber="85">Material examined.</paragraph>
<paragraph id="1AF9764C2883DA388FDEFF308FDFDC88" pageId="0" pageNumber="85">
<specimenCount id="13A48E3909D0C19AFDDC6D2A10D3B9EF" type="generic">15 specimens</specimenCount>
(Suppl. material 1), Barents Sea (ZMBN116454, ZMBN116455, ZMBN116458, ZMBN116459, ZMBN116460, ZMBN116462, ZMBN116463, ZMBN116465, ZMBN116467, ZMBN116468, ZMBN116470, ZMBN116471, ZMBN116472, ZMBN116474); Norwegian coast (ZMBN116476).
</paragraph>
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<subSubSection id="4DDC9D17032A5269C9D9D2E64D2FE78F" pageId="0" pageNumber="85" type="materials_examined">
<paragraph id="327642A6F48296750D5ABD4DD872A9A2" pageId="0" pageNumber="85">GenBank accession numbers of material examined (COI).</paragraph>
<paragraph id="F097ED3A4FD9644AE0E51007ABB97D59" pageId="0" pageNumber="85">
<materialsCitation id="FA250C54A2A3EA7F924F74D6120617E2" accessionNumber="MG025258, MG025259, MG025260, MG025261, MG025262, MG025263, MG025264, MG025265, MG025266, MG025267, MG025268, MG025269, MG025270, MG025271, MG025272, MG025273, MG025274, MG025275, MG025276, MG025277, MG025278, MG025279, MG025280, MG025281, MG025282, MG025283, MG025284, MG025285, MG025286, MG025287, MG025288, MG025289, MG025290, MG025291, MG025292, MG025293, MG025294, MG025295, MG025296, MG025297, MG025298, MG025299, MG025300, MG025301, MG025302, MG025303, MG025304, MG025305, MG025306, MG025307, MG025308, MG025309, MG025310, MG025311, MG025312" collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" specimenCount="1">
<accessionNumber id="9A489386E4EF19389C73AB0A4F2F91A3" isEnumeration="true">MG025258, MG025259, MG025260, MG025261, MG025262, MG025263, MG025264, MG025265, MG025266, MG025267, MG025268, MG025269, MG025270, MG025271, MG025272, MG025273, MG025274, MG025275, MG025276, MG025277, MG025278, MG025279, MG025280, MG025281, MG025282, MG025283, MG025284, MG025285, MG025286, MG025287, MG025288, MG025289, MG025290, MG025291, MG025292, MG025293, MG025294, MG025295, MG025296, MG025297, MG025298, MG025299, MG025300, MG025301, MG025302, MG025303, MG025304, MG025305, MG025306, MG025307, MG025308, MG025309, MG025310, MG025311, MG025312</accessionNumber>
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.
</paragraph>
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<subSubSection id="1491C145DC51697FAE41364A0615BF0C" pageId="0" pageNumber="85" type="materials_examined">
<paragraph id="DAE3CAE8C01633FE589F749F9D99A174" pageId="0" pageNumber="85">Diagnostic features of studied material.</paragraph>
<paragraph id="1AD3B5855CFE8A3DA6075609650732A2" pageId="0" pageNumber="85">
Complete individuals ranging from 10.0-16.0 mm in length (Fig.
<figureCitation id="17E3651A1AE5E019277665877E383675" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Relationship between number of abdominal chaetigers and body length (complete specimens considered except for T. irinae)." figureDoi="10.3897/zookeys.1132.91244.figure9" httpUri="https://binary.pensoft.net/fig/775025" pageId="0" pageNumber="85">9</figureCitation>
). Branchial dorsal lobes lamellae provided with well-developed papillary projections and branchial ventral lobes (Fig.
<figureCitation id="E32DCD907F915FB98075FF24C9872237" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Terebellides atlantis Williams, 1984 (species 16; non-type specimens, ZMBN 116454 and ZMBN 116459), SEM micrographs A anterior end, left lateral view B branchiae, detail C TC 6 (TU 1), geniculate chaetae D thoracic uncini E abdominal neuropodium F abdominal uncini. Abbreviations: bf - branchial filament; bvl - branchial ventral lobe; cap - capitium; dpn - dorsal projection of notopodium; TC - thoracic chaetiger; TU - thoracic unciniger." figureDoi="10.3897/zookeys.1132.91244.figure8" httpUri="https://binary.pensoft.net/fig/775024" pageId="0" pageNumber="85">8A, B</figureCitation>
) provided with long filaments (sometimes broken), 175.0
<normalizedToken id="832D686833B6870EC295D628D2BCD2A5" originalValue="µm">µm</normalizedToken>
in length. Between 10-11 lamellae on dorsal lobes. Lateral lappets present on TC 1-4; dorsal projection of thoracic notopodia on TC 2-4 (Fig.
<figureCitation id="3F0D144B7EE8C8268C14780081C3B2FF" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Terebellides atlantis Williams, 1984 (species 16; non-type specimens, ZMBN 116454 and ZMBN 116459), SEM micrographs A anterior end, left lateral view B branchiae, detail C TC 6 (TU 1), geniculate chaetae D thoracic uncini E abdominal neuropodium F abdominal uncini. Abbreviations: bf - branchial filament; bvl - branchial ventral lobe; cap - capitium; dpn - dorsal projection of notopodium; TC - thoracic chaetiger; TU - thoracic unciniger." figureDoi="10.3897/zookeys.1132.91244.figure8" httpUri="https://binary.pensoft.net/fig/775024" pageId="0" pageNumber="85">8A</figureCitation>
). Geniculate chaetae in TC 5, acutely bent, with well-defined capitium (Fig.
<figureCitation id="28A7807CA1B23563E295990FFB824EF5" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Terebellides atlantis Williams, 1984 (species 16; non-type specimens, ZMBN 116454 and ZMBN 116459), SEM micrographs A anterior end, left lateral view B branchiae, detail C TC 6 (TU 1), geniculate chaetae D thoracic uncini E abdominal neuropodium F abdominal uncini. Abbreviations: bf - branchial filament; bvl - branchial ventral lobe; cap - capitium; dpn - dorsal projection of notopodium; TC - thoracic chaetiger; TU - thoracic unciniger." figureDoi="10.3897/zookeys.1132.91244.figure8" httpUri="https://binary.pensoft.net/fig/775024" pageId="0" pageNumber="85">8C</figureCitation>
). Ciliated papilla dorsal to thoracic notopodia not observed. From TC 7, neuropodia with one row of
<typeStatus id="E09DFF790DA0EF1A6BD3F2562FAC0234">type</typeStatus>
3 thoracic uncini per torus, with rostrum/capitium length ratio of ~ 2:1 and capitium with a first row of three or four medium-sized teeth, followed by several smaller teeth (Fig.
<figureCitation id="4429FF257C5BC03FB0326C78EDCA9FA3" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Terebellides atlantis Williams, 1984 (species 16; non-type specimens, ZMBN 116454 and ZMBN 116459), SEM micrographs A anterior end, left lateral view B branchiae, detail C TC 6 (TU 1), geniculate chaetae D thoracic uncini E abdominal neuropodium F abdominal uncini. Abbreviations: bf - branchial filament; bvl - branchial ventral lobe; cap - capitium; dpn - dorsal projection of notopodium; TC - thoracic chaetiger; TU - thoracic unciniger." figureDoi="10.3897/zookeys.1132.91244.figure8" httpUri="https://binary.pensoft.net/fig/775024" pageId="0" pageNumber="85">8D</figureCitation>
). Abdomen with 23-28 pairs of neuropodia with
<typeStatus id="009F2883EA9E53CE9FCE80323A27A31F">type</typeStatus>
2 uncini (Fig.
<figureCitation id="69E707BEF23EC637A2BAA9C1A16E99EA" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Terebellides atlantis Williams, 1984 (species 16; non-type specimens, ZMBN 116454 and ZMBN 116459), SEM micrographs A anterior end, left lateral view B branchiae, detail C TC 6 (TU 1), geniculate chaetae D thoracic uncini E abdominal neuropodium F abdominal uncini. Abbreviations: bf - branchial filament; bvl - branchial ventral lobe; cap - capitium; dpn - dorsal projection of notopodium; TC - thoracic chaetiger; TU - thoracic unciniger." figureDoi="10.3897/zookeys.1132.91244.figure8" httpUri="https://binary.pensoft.net/fig/775024" pageId="0" pageNumber="85">8E, F</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="7B9D7EEFED8C9405F109A152039A7650" pageId="0" pageNumber="85" type="colour pattern">
<paragraph id="7A86CCD686D61FCC248E63DADF5DF2AC" pageId="0" pageNumber="85">Colour pattern.</paragraph>
<paragraph id="900EBCBE12BE79F95A4F06B271469476" pageId="0" pageNumber="85">
MG staining pattern characterised by compact green colourant in SG 1-6, J-shaped glandular region in SG 3-5 and striped pattern in SG 7-14 (Fig.
<figureCitation id="5C42E4492F649E3E2640524F1F448932" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Body MG staining patterns in ventral view of Terebellides species. Terebellides shetlandica Parapar, Moreira &amp; O'Reilly, 2016, Terebellides lavesquei sp. nov., Terebellides atlantis Williams, 1984, Terebellides irinae Gagaev, 2009, Terebellides williamsae Jirkov, 1989 and Terebellides gracilis Malm, 1874. Segments indicated in Arabic numbers." figureDoi="10.3897/zookeys.1132.91244.figure12" httpUri="https://binary.pensoft.net/fig/775028" pageId="0" pageNumber="85">12</figureCitation>
). Similar to pattern 9.
</paragraph>
</subSubSection>
<subSubSection id="665C406EB689584420C9DC4B5E6E30C9" pageId="0" pageNumber="85" type="nucleotide diagnostic features">
<paragraph id="FCFA6ED36C8A02046BC58AA3B77253C2" pageId="0" pageNumber="85">Nucleotide diagnostic features.</paragraph>
<paragraph id="2CE86A595FA2FBD72976C23469AD85A5" pageId="0" pageNumber="85">
All sequences of
<taxonomicName id="133610DBD526A2F6EA4AE5C02BC4A117" authorityName="Williams" authorityYear="1984" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" lsidName="Terebellides atlantis" order="Canalipalpata" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">
<emphasis id="B686F9EA2E11E0A9F5210E9464453A0B" italics="true" pageId="0" pageNumber="85">Terebellides atlantis</emphasis>
</taxonomicName>
share and are distinguished from other available
<taxonomicName id="12D42E574698FA77A06FB657BD1CB62C" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" lsidName="Terebellides" order="Canalipalpata" pageId="0" pageNumber="85" phylum="Annelida" rank="genus">
<emphasis id="6B17ACEB7F3CF691BB57BC627402FE1E" italics="true" pageId="0" pageNumber="85">Terebellides</emphasis>
</taxonomicName>
sequences in unique combinations of nucleotides (underlined) at the given position of our alignment: 60-84: TATTCGTATTGAGCTAGGGCAACCT, 132-150: ACATGCATTTTTAATAATC, 171-189: TTTTATTGGTGGATTTGGT, 213-231: GGGAGCTCCTGATATAGCC, 264-294: ACTACCACCAGCCTTAATCTTATTAGTAAGC, 345-363: ATTATCTGATAATATGGCT, 384-399: CCTTGCTATTTTTTCA, 477-484: GCTACGAC, 549-573: TCCAGTCTTAGCTGGTGCAATCACT, 558-591: CCGT, 615-630: TCCAGCTGGTGGTGGT.
</paragraph>
</subSubSection>
<subSubSection id="BE01522A5F6C2047E71F0FF9F0DFE1BA" pageId="0" pageNumber="85" type="type locality">
<paragraph id="C4D2EB7628B02AE7D4BCF10A93E6D889" pageId="0" pageNumber="85">Type locality.</paragraph>
<paragraph id="0634919F9829214F0D3B2E3822BAEF45" pageId="0" pageNumber="85">
Atlantic Ocean, off New England,
<geoCoordinate id="E937D0A128D66348AD5B57260D5E8496" degrees="39" direction="north" minutes="56.5" orientation="latitude" precision="92" value="39.941666">39°56.5'N</geoCoordinate>
,
<geoCoordinate id="51C6647D817D36663E516831931403C6" degrees="70" direction="west" minutes="39.9" orientation="longitude" precision="92" value="-70.665">70°39.9'W</geoCoordinate>
(
<bibRefCitation id="946345415DB2FD2255B9EBB903264B5C" author="Williams, SJ" editor="Hutchings, PA" journalOrPublisher="The Linnean Society of New South Wales" pageId="0" pageNumber="85" pagination="118 - 142" refId="B41" refString="Williams, SJ, 1984. The status of Terebellides stroemi (Polychaeta; Trichobranchidae) as a cosmopolitan species, based on a worldwide morphological survey, including description of new species. In: Hutchings, PA, Ed., Proceedings of the First International Polychaete Conference, Sydney, Australia, 1984. The Linnean Society of New South Wales: 118 - 142" title="The status of Terebellides stroemi (Polychaeta; Trichobranchidae) as a cosmopolitan species, based on a worldwide morphological survey, including description of new species." volumeTitle="Proceedings of the First International Polychaete Conference, Sydney, Australia, 1984." year="1984">Williams 1984</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="FE647AEC3CF5951ABFFC89CE37BF309C" pageId="0" pageNumber="85" type="distribution">
<paragraph id="0743D3A3D264F3148A1081C05F73E4ED" pageId="0" pageNumber="85">Distribution and bathymetry.</paragraph>
<paragraph id="FBCC3D91E7C32E3DD4C9B7B8CF9D234A" pageId="0" pageNumber="85">
Barents Sea, Greenland Sea, South Iceland, Norwegian coast and shelf; 219-2750 m deep (Figs
<figureCitation id="F13485411F8AF078B9FF752098E4E0D4" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Geographic distribution of species of Terebellides in Northeast Atlantic Ocean A Terebellides shetlandica Parapar, Moreira &amp; O'Reilly, 2016 B Terebellides lavesquei sp. nov. C Terebellides atlantis Williams, 1984 D Terebellides irinae Gagaev, 2009 E Terebellides williamsae Jirkov, 1989 F Terebellides gracilis Malm, 1874. Pink star denotes the type locality of each taxon." figureDoi="10.3897/zookeys.1132.91244.figure10" httpUri="https://binary.pensoft.net/fig/775026" pageId="0" pageNumber="85">10C</figureCitation>
,
<figureCitation id="8EA75630B03DFCBA969A5D51FB4D0D9E" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Bathymetric distribution of Terebellides species studied in this work." figureDoi="10.3897/zookeys.1132.91244.figure11" httpUri="https://binary.pensoft.net/fig/775027" pageId="0" pageNumber="85">11</figureCitation>
, Suppl. material 1).
</paragraph>
</subSubSection>
<subSubSection id="667B4415413D5A4EBCE8E73349737AFC" pageId="0" pageNumber="85" type="remarks">
<paragraph id="5592B867923CE7D995701E8B0CB5B668" pageId="0" pageNumber="85">Remarks.</paragraph>
<paragraph id="D8DBC004D1BDD34C01BE53D8EB50C634" pageId="0" pageNumber="85">
<taxonomicName id="3D78B0FB993DDF557A8D056E980E3B9B" authorityName="Williams" authorityYear="1984" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" lsidName="Terebellides atlantis" order="Canalipalpata" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">
<emphasis id="A9FA9D02EA48361909DF8E0B28C65B8D" italics="true" pageId="0" pageNumber="85">Terebellides atlantis</emphasis>
</taxonomicName>
is a small species, reaching up to 16 mm in length. It is characterised by the lack of papillae on margins of branchial lamellae, and by having branchiae of type 3 and filaments in ventral branchial lobes, thoracic uncini of type 3 and abdominal uncini of type 2 (Table
<tableCitation id="789B9447955477EA64DCFDB94C65B8E1" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of discriminating taxonomic characters of the species studied in this work. Cells in italics show discriminatory characters of each subgroup. (1) sensu Parapar et al. (2016 a); (2) sensu Parapar et al. (2020 b); (3) sensu Parapar et al. (2020 a); (4) dominant trend in bold; (5) Skagerrak." httpUri="http://table.plazi.org/id/D35598DC856676ACF7BB2895D92EA844" pageId="0" pageNumber="85" tableUuid="D35598DC856676ACF7BB2895D92EA844">1</tableCitation>
). The most similar species to
<taxonomicName id="3B71C180DC9A468C536D30B0EC2F59BF" class="Polychaeta" kingdom="Animalia" lsidName="T. atlantis" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">
<emphasis id="56945F40F9AC50354DD5A3989E805B44" italics="true" pageId="0" pageNumber="85">T. atlantis</emphasis>
</taxonomicName>
are
<taxonomicName id="6490FD2096006AFFF15E824CCD82AF50" class="Polychaeta" kingdom="Animalia" lsidName="T. shetlandica" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="shetlandica">
<emphasis id="E982B44B4BB8019223DB19D633C0E5C7" italics="true" pageId="0" pageNumber="85">T. shetlandica</emphasis>
</taxonomicName>
and
<taxonomicName id="2BF9DD0D8AAC7D6B1501ECEDED61BF47" class="Polychaeta" kingdom="Animalia" lsidName="T. lavesquei" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="lavesquei">
<emphasis id="ACE6108B7EA428889D3A02FA47469449" italics="true" pageId="0" pageNumber="85">T. lavesquei</emphasis>
</taxonomicName>
sp. nov. but
<taxonomicName id="4FAD6338B2B0D52A7A578C5ADBA0820F" class="Polychaeta" kingdom="Animalia" lsidName="T. atlantis" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">
<emphasis id="BCF25B0C20EDCD8B8445AF38A2D5CC4A" italics="true" pageId="0" pageNumber="85">T. atlantis</emphasis>
</taxonomicName>
differs from the latter in the size and type of branchiae (see remarks for
<taxonomicName id="DE03328CC6951EB905EB0380AAE267D5" class="Polychaeta" kingdom="Animalia" lsidName="T. lavesquei" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="lavesquei">
<emphasis id="D6FCBE09D678D84CE844D7D7594547A1" italics="true" pageId="0" pageNumber="85">T. lavesquei</emphasis>
</taxonomicName>
sp. nov. above). Branchial lobes are often missing as previously highlighted by
<bibRefCitation id="6A1B147C2BB7B49C5DAB13E1624EE584" DOI="https://doi.org/10.11646/zootaxa.2983.1.1" author="Parapar, J" journalOrPublisher="Zootaxa" pageId="0" pageNumber="85" pagination="1 - 20" refId="B29" refString="Parapar, J, Moreira, J, Helgason, GV, 2011. Taxonomy and distribution of Terebellides (Polychaeta, Trichobranchidae) in Icelandic waters, with the description of a new species. Zootaxa 2983 (1): 1 - 20, DOI: https://doi.org/10.11646/zootaxa.2983.1.1" title="Taxonomy and distribution of Terebellides (Polychaeta, Trichobranchidae) in Icelandic waters, with the description of a new species." url="https://doi.org/10.11646/zootaxa.2983.1.1" volume="2983" year="2011">Parapar et al. (2011)</bibRefCitation>
. Finally,
<taxonomicName id="51D7D2BA1239B2522FEBB9D802988EE1" class="Polychaeta" kingdom="Animalia" lsidName="T. atlantis" pageId="0" pageNumber="85" phylum="Annelida" rank="species" species="atlantis">
<emphasis id="FF805CC28DCAFACE124C15637BA487CD" italics="true" pageId="0" pageNumber="85">T. atlantis</emphasis>
</taxonomicName>
has the widest geographical distribution and depth range (219 to 2750 m) among Group B species.
</paragraph>
</subSubSection>
</treatment>
</document>