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<document id="4FF796F4722BC9D2B35524558C17A50F" ID-CLB-Dataset="53757" ID-DOI="10.6620/ZS.2018.57-08" ID-GBIF-Dataset="b365601c-edda-47e6-a2a8-702ec929f881" ID-Zenodo-Dep="8055762" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="tatiana" IM.metadata_approvedBy="tatiana" IM.tables_approvedBy="tatiana" IM.treatmentCitations_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1687182348190" checkinUser="valdenar" docAuthor="Jimi, Naoto, Eibye-Jacobsen, Danny &amp; Salazar-Vallejo, Sergio I." docDate="2018" docId="0388878A261BFFC929EEFED048B3F548" docLanguage="en" docName="ZoolStud.57.08.1-9.pdf" docOrigin="Zoological Studies 57 (8)" docStyle="DocumentStyle:E2601EF9E8BBDC4537EE724C10FF512F.1:ZoolStud.2015-.journal_article" docStyleId="E2601EF9E8BBDC4537EE724C10FF512F" docStyleName="ZoolStud.2015-.journal_article" docStyleVersion="1" docTitle="Elisesione problematica" docType="treatment" docVersion="4" lastPageNumber="8" masterDocId="FFB1FFF2261EFFCE2966FF8D4B10F43E" masterDocTitle="Description of Elisesione imajimai sp. nov. From Japan (Annelida: Hesionidae) and A Redescription of E. problematica (Wesenberg-Lund, 1950) and Its Confirmation Within Hesionini" masterLastPageNumber="9" masterPageNumber="1" pageNumber="6" updateTime="1687345617666" updateUser="ExternalLinkService">
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<mods:title id="FFFBD40D02827506DC519D70F91C53C9">Description of Elisesione imajimai sp. nov. From Japan (Annelida: Hesionidae) and A Redescription of E. problematica (Wesenberg-Lund, 1950) and Its Confirmation Within Hesionini</mods:title>
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<mods:namePart id="FDCAB4A5CA93AD8B775639E4D8F45B6C">Jimi, Naoto</mods:namePart>
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<mods:namePart id="DE31EE1E7D567991DBC01626B9515D4A">Eibye-Jacobsen, Danny</mods:namePart>
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<mods:namePart id="5D1F25C602D2E26483FB49363CD7DCC4">Salazar-Vallejo, Sergio I.</mods:namePart>
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<heading id="D0D681F0261BFFCB29EEFED049F1F548" bold="true" box="[136,737,349,374]" centered="true" fontSize="10" level="2" pageId="5" pageNumber="6" reason="2">
<taxonomicName id="4C214D1F261BFFCB29EEFED049F1F548" ID-CoL="6F5NB" authority="(Wesenberg-Lund, 1950)" baseAuthorityName="Wesenberg-Lund" baseAuthorityYear="1950" box="[136,737,349,374]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E261BFFCB29EEFED049F1F548" bold="true" box="[136,737,349,374]" pageId="5" pageNumber="6">
<emphasis id="B955EA8E261BFFCB29EEFED04ABFF548" bold="true" box="[136,431,349,374]" italics="true" pageId="5" pageNumber="6">Elisesione problematica</emphasis>
(
<bibRefCitation id="EFB04B6D261BFFCB28DAFED049CAF548" author="Wesenberg-Lund E." box="[444,730,349,374]" pageId="5" pageNumber="6" pagination="1 - 92" refId="ref4852" refString="Wesenberg-Lund E. 1950. Polychaeta. Danish Ingolf-Exped 4: 1 - 92." type="journal article" year="1950">Wesenberg-Lund, 1950</bibRefCitation>
)
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<paragraph id="8B9E369C261BFFCB281DFEF04AFDF5A8" blockId="5.[136,737,349,406]" box="[379,493,381,406]" pageId="5" pageNumber="6">
(
<figureCitation id="131A2A19261BFFCB28E4FEF04AF6F5A8" box="[386,486,381,406]" captionStart-0="Fig" captionStart-1="Fig" captionStartId-0="5.[137,171,1925,1945]" captionStartId-1="6.[174,209,1897,1917]" captionTargetBox-0="[265,1285,500,1900]" captionTargetBox-1="[174,1450,901,1870]" captionTargetId-0="figure-99@5.[265,1285,500,1900]" captionTargetId-1="figure-363@6.[174,1451,901,1870]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionText-0="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." captionText-1="Fig. 4. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm." figureDoi-0="http://doi.org/10.5281/zenodo.8055775" figureDoi-1="http://doi.org/10.5281/zenodo.8055777" httpUri-0="https://zenodo.org/record/8055775/files/figure.png" httpUri-1="https://zenodo.org/record/8055777/files/figure.png" pageId="5" pageNumber="6">Figs 3-4</figureCitation>
)
</paragraph>
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<subSubSection id="C33B6517261BFFCB29EEFE354E1FF578" pageId="5" pageNumber="6" type="reference_group">
<paragraph id="8B9E369C261BFFCB29EEFE3549F0F5F2" blockId="5.[136,736,440,460]" box="[136,736,440,460]" pageId="5" pageNumber="6">
<treatmentCitationGroup id="AB3111B2261BFFCB29EEFE3549F0F5F2" box="[136,736,440,460]" pageId="5" pageNumber="6">
<treatmentCitation id="0A80108D261BFFCB29EEFE354986F5F2" author="Wesenberg-Lund E." box="[136,662,440,460]" page="15" pageId="5" pageNumber="6" year="1950">
<taxonomicName id="4C214D1F261BFFCB29EEFE354986F5F2" ID-CoL="3L3YZ" authority="Wesenberg-Lund, 1950: 14 - 15" authorityName="Wesenberg-Lund" authorityPageNumber="14 - 15" authorityYear="1950" box="[136,662,440,460]" class="Polychaeta" family="Hesionidae" genus="Hesionella" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E261BFFCB29EEFE354A7CF5F2" box="[136,364,440,460]" italics="true" pageId="5" pageNumber="6">Hesionella problematica</emphasis>
<bibRefCitation id="EFB04B6D261BFFCB2814FE354986F5F2" author="Wesenberg-Lund E." box="[370,662,440,460]" pageId="5" pageNumber="6" pagination="1 - 92" refId="ref4852" refString="Wesenberg-Lund E. 1950. Polychaeta. Danish Ingolf-Exped 4: 1 - 92." type="journal article" year="1950">Wesenberg-Lund, 1950: 14-15</bibRefCitation>
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, fig. 15.
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</paragraph>
<paragraph id="8B9E369C261BFFCB2A4BFF714FF7F52E" blockId="5.[813,1340,252,326]" box="[813,1255,252,272]" pageId="5" pageNumber="6">
<treatmentCitationGroup id="AB3111B2261BFFCB2A4BFF714FF7F52E" box="[813,1255,252,272]" pageId="5" pageNumber="6">
<treatmentCitation id="0A80108D261BFFCB2A4BFF714FF4F52E" author="Hartman O." box="[813,1252,252,272]" page="41" pageId="5" pageNumber="6" year="1955">
<taxonomicName id="4C214D1F261BFFCB2A4BFF714FF4F52E" ID-CoL="5BXKD" authority=": Hartman 1955: 41" authorityName="Hartman" authorityPageNumber="41" authorityYear="1955" box="[813,1252,252,272]" class="Polychaeta" family="Hesionidae" genus="Wesenbergia" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E261BFFCB2A4BFF714F3AF52E" box="[813,1066,252,272]" italics="true" pageId="5" pageNumber="6">Wesenbergia problematica</emphasis>
:
<bibRefCitation id="EFB04B6D261BFFCB2D50FF714FF4F52E" author="Hartman O." box="[1078,1252,252,272]" pageId="5" pageNumber="6" pagination="39 - 61" refId="ref4396" refString="Hartman O. 1955. Endemism in the North Pacific Ocean, with emphasis on the distribution of marine annelids, and descriptions of new or little known species, pp. 39 - 61. In: The staff of Alan Hancock Foundation for Scientific Research (eds) Essays in the Natural Sciences in Honor of Captain Allan Hancock. University of Southern California, Los Angeles." type="book chapter" year="1955">Hartman 1955: 41</bibRefCitation>
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.
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</paragraph>
<paragraph id="8B9E369C261BFFCB2A4BFE9A4E2CF515" blockId="5.[813,1340,252,326]" box="[813,1340,279,299]" pageId="5" pageNumber="6">
<treatmentCitationGroup id="AB3111B2261BFFCB2A4BFE9A4E2CF515" box="[813,1340,279,299]" pageId="5" pageNumber="6">
<treatmentCitation id="0A80108D261BFFCB2A4BFE9A4FEEF515" author="Pleijel F." box="[813,1278,279,299]" page="113" pageId="5" pageNumber="6" year="1998">
<taxonomicName id="4C214D1F261BFFCB2A4BFE9A4FEEF515" ID-CoL="5BXKD" authority=": Pleijel 1998: 112 - 113" authorityName="Pleijel" authorityPageNumber="112 - 113" authorityYear="1998" box="[813,1278,279,299]" class="Polychaeta" family="Hesionidae" genus="Wesenbergia" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E261BFFCB2A4BFE9A4F3AF515" box="[813,1066,279,299]" italics="true" pageId="5" pageNumber="6">Wesenbergia problematica</emphasis>
:
<bibRefCitation id="EFB04B6D261BFFCB2D50FE9A4FEEF515" author="Pleijel F." box="[1078,1278,279,299]" pageId="5" pageNumber="6" pagination="89 - 163" refId="ref4656" refString="Pleijel F. 1998. Phylogeny and classification of Hesionidae (Polychaeta). Zool Scripta 27: 89 - 163." type="journal article" year="1998">Pleijel 1998: 112-113</bibRefCitation>
</taxonomicName>
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, fig. 9.
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</paragraph>
<paragraph id="8B9E369C261BFFCB2A4BFEBF4E1FF578" blockId="5.[813,1340,252,326]" box="[813,1295,305,326]" pageId="5" pageNumber="6">
<treatmentCitationGroup id="AB3111B2261BFFCB2A4BFEBF4E1FF578" box="[813,1295,305,326]" pageId="5" pageNumber="6">
<treatmentCitation id="0A80108D261BFFCB2A4BFEBF4E1BF578" author="Salazar-Vallejo SI" box="[813,1291,305,326]" page="5" pageId="5" pageNumber="6" year="2016">
<taxonomicName id="4C214D1F261BFFCB2A4BFEBF4E1BF578" ID-CoL="6F5NB" authority=": Salazar-Vallejo 2016: 3 - 5" authorityName="Salazar-Vallejo" authorityPageNumber="3 - 5" authorityYear="2016" box="[813,1291,305,326]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E261BFFCB2A4BFEBF4F1EF578" box="[813,1038,306,326]" italics="true" pageId="5" pageNumber="6">Elisesione problematica</emphasis>
:
<bibRefCitation id="EFB04B6D261BFFCB2D7CFEBC4E1BF578" author="Salazar-Vallejo SI" box="[1050,1291,305,326]" pageId="5" pageNumber="6" pagination="1 - 12" refId="ref4678" refString="Salazar-Vallejo SI. 2016. Elisesione, a new name for Wesenbergia Hartman, 1955, and the description of a new species (Annelida, Hesionidae). ZooKeys 632: 1 - 12." type="journal article" year="2016">Salazar-Vallejo 2016: 3-5</bibRefCitation>
</taxonomicName>
</treatmentCitation>
.
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</paragraph>
</subSubSection>
<subSubSection id="C33B6517261BFFC92A0FFEE048B3F548" lastPageId="7" lastPageNumber="8" pageId="5" pageNumber="6" type="description">
<paragraph id="8B9E369C261BFFC82A0FFEE04AC3F588" blockId="5.[813,1414,365,454]" lastBlockId="6.[174,775,253,854]" lastPageId="6" lastPageNumber="7" pageId="5" pageNumber="6">
<emphasis id="B955EA8E261BFFCB2A0FFEE048EBF5B8" box="[873,1019,365,390]" italics="true" pageId="5" pageNumber="6">Description</emphasis>
:
<typeStatus id="549A883E261BFFCB2D76FEE04F92F5B8" box="[1040,1154,365,390]" pageId="5" pageNumber="6">Holotype</typeStatus>
about
<quantity id="4CD99B79261BFFCB2D84FEE04E2BF5B8" box="[1250,1339,365,390]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="6" unit="mm" value="50.0">50 mm</quantity>
long,
<quantity id="4CD99B79261BFFCB2A4BFE004867F598" box="[813,887,397,422]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="5" pageNumber="6" unit="mm" value="8.0">8 mm</quantity>
wide, 16 chaetigers. Body cylindrical, tapered in posterior region (
<figureCitation id="131A2A19261BFFCB2D1FFE204E15F5F8" box="[1145,1285,429,454]" captionStart="Fig" captionStartId="5.[137,171,1925,1945]" captionTargetBox="[265,1285,500,1900]" captionTargetId="figure-99@5.[265,1285,500,1900]" captionTargetPageId="5" captionText="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8055775" httpUri="https://zenodo.org/record/8055775/files/figure.png" pageId="5" pageNumber="6">Figs. 3A, B</figureCitation>
), brownish in ethanol, dorsal integument annulated, with 13- 15 transverse wrinkles per segment (
<figureCitation id="131A2A192618FFC82BF6FE904BFAF569" captionStart="Fig" captionStartId="5.[137,171,1925,1945]" captionTargetBox="[265,1285,500,1900]" captionTargetId="figure-99@5.[265,1285,500,1900]" captionTargetPageId="5" captionText="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8055775" httpUri="https://zenodo.org/record/8055775/files/figure.png" pageId="6" pageNumber="7">Figs. 3A, B, C</figureCitation>
). Tentacular cirri, dorsal cirri and parapodial lobes whitish. Pigmentation of
<typeStatus id="549A883E2618FFC82B4FFED04980F548" box="[553,656,349,374]" pageId="6" pageNumber="7">holotype</typeStatus>
unknown (specimens in ethanol for over 55 years before description; now darker).
</paragraph>
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<paragraph id="8B9E369C261BFFCB29EFF80849A6F38B" blockId="5.[136,1415,1925,2031]" pageId="5" pageNumber="6">
<emphasis id="B955EA8E261BFFCB29EFF8084BD8F3A7" bold="true" box="[137,200,1925,1945]" pageId="5" pageNumber="6">Fig. 3.</emphasis>
<taxonomicName id="4C214D1F261BFFCB29B2F80849BFF3A7" authority="(Wesenberg-Lund, 1950)" baseAuthorityName="Wesenberg-Lund" baseAuthorityYear="1950" box="[212,687,1925,1945]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E261BFFCB29B2F8084AA6F3A7" box="[212,438,1925,1945]" italics="true" pageId="5" pageNumber="6">Elisesione problematica</emphasis>
(
<bibRefCitation id="EFB04B6D261BFFCB28A4F80849B8F3A7" author="Wesenberg-Lund E." box="[450,680,1925,1945]" pageId="5" pageNumber="6" pagination="1 - 92" refId="ref4852" refString="Wesenberg-Lund E. 1950. Polychaeta. Danish Ingolf-Exped 4: 1 - 92." type="journal article" year="1950">Wesenberg-Lund, 1950</bibRefCitation>
)
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, holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm.
</paragraph>
</caption>
<footnote id="E83A2A92261BFFCB29EEF8504A88F3D1" box="[136,408,2013,2031]" pageId="5" pageNumber="6">
<paragraph id="8B9E369C261BFFCB29EEF8504A88F3D1" blockId="5.[136,1415,1925,2031]" box="[136,408,2013,2031]" pageId="5" pageNumber="6">© 2018 Academia Sinica, Taiwan</paragraph>
</footnote>
<paragraph id="8B9E369C2618FFC8298CFE304AACF6C9" blockId="6.[174,775,253,854]" pageId="6" pageNumber="7">
Prostomium wider than long, median line with a shallow depression, lateral margins rounded, wider medially (
<figureCitation id="131A2A192618FFC8281EFE704ACDF629" box="[376,477,509,535]" captionStart="Fig" captionStartId="5.[137,171,1925,1945]" captionTargetBox="[265,1285,500,1900]" captionTargetId="figure-99@5.[265,1285,500,1900]" captionTargetPageId="5" captionText="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8055775" httpUri="https://zenodo.org/record/8055775/files/figure.png" pageId="6" pageNumber="7">Fig. 3C</figureCitation>
). Eyes not seen. Palps and antennae present, damaged; palps ventral, slightly more lateral than antennae; left antenna present, tip damaged; right antenna missing (in the original illustration, palps and antennae tapered, of similar length). Tentacular cirri long, thick. Lateral cushions low, slightly projected laterally, divided in 2-3 parts (
<figureCitation id="131A2A192618FFC82843FD504ABFF6C9" box="[293,431,733,759]" captionStart="Fig" captionStartId="5.[137,171,1925,1945]" captionTargetBox="[265,1285,500,1900]" captionTargetId="figure-99@5.[265,1285,500,1900]" captionTargetPageId="5" captionText="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8055775" httpUri="https://zenodo.org/record/8055775/files/figure.png" pageId="6" pageNumber="7">Figs. 3A, C</figureCitation>
).
</paragraph>
<paragraph id="8B9E369C2618FFC8298CFD7048CCF5A8" blockId="6.[174,775,253,854]" lastBlockId="6.[850,1452,253,855]" pageId="6" pageNumber="7">
Parapodia with chaetal lobes cylindrical, truncate, longer than wide (
<figureCitation id="131A2A192618FFC82B48FC90498BF708" box="[558,667,797,822]" captionStart="Fig" captionStartId="6.[174,209,1897,1917]" captionTargetBox="[174,1450,901,1870]" captionTargetId="figure-363@6.[174,1451,901,1870]" captionTargetPageId="6" captionText="Fig. 4. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.8055777" httpUri="https://zenodo.org/record/8055777/files/figure.png" pageId="6" pageNumber="7">Fig. 4A</figureCitation>
); dorsal cirrophores cylindrical, smooth, about
<superScript id="7C549BD42618FFC82BFBFCB149B6F775" attach="right" box="[669,678,828,843]" fontSize="6" pageId="6" pageNumber="7">4</superScript>
/
<subScript id="17A534D92618FFC82BC9FCCB49A8F76B" attach="left" box="[687,696,838,853]" fontSize="6" pageId="6" pageNumber="7">5</subScript>
times as long as wide (
<figureCitation id="131A2A192618FFC82D5DFF704FB3F528" box="[1083,1187,253,278]" captionStart="Fig" captionStartId="6.[174,209,1897,1917]" captionTargetBox="[174,1450,901,1870]" captionTargetId="figure-363@6.[174,1451,901,1870]" captionTargetPageId="6" captionText="Fig. 4. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.8055777" httpUri="https://zenodo.org/record/8055777/files/figure.png" pageId="6" pageNumber="7">Fig. 4B</figureCitation>
). Ventral cirrophore cylindrical, smooth, as long as wide (
<figureCitation id="131A2A192618FFC82C11FE90486DF569" captionStart="Fig" captionStartId="6.[174,209,1897,1917]" captionTargetBox="[174,1450,901,1870]" captionTargetId="figure-363@6.[174,1451,901,1870]" captionTargetPageId="6" captionText="Fig. 4. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.8055777" httpUri="https://zenodo.org/record/8055777/files/figure.png" pageId="6" pageNumber="7">Fig. 4C</figureCitation>
). Ventral cirri smooth, not reaching tip of neurochaetal lobe (as indicated in original illustration).
</paragraph>
<paragraph id="8B9E369C2618FFC82AE9FE1048D0F668" blockId="6.[850,1452,253,855]" pageId="6" pageNumber="7">
Acicula black, tapered; acicular lobe single, blunt, digitate. About 25 neurochaetae per bundle (
<figureCitation id="131A2A192618FFC82A3CFE5048A4F5C8" box="[858,948,477,502]" captionStart="Fig" captionStartId="6.[174,209,1897,1917]" captionTargetBox="[174,1450,901,1870]" captionTargetId="figure-363@6.[174,1451,901,1870]" captionTargetPageId="6" captionText="Fig. 4. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.8055777" httpUri="https://zenodo.org/record/8055777/files/figure.png" pageId="6" pageNumber="7">Fig. 4D</figureCitation>
), shaft and blade pale brownish, blade 8-12 times as long as wide, with subdistal tooth as long as apical tooth, guard approaching apical tooth (
<figureCitation id="131A2A192618FFC82A3CFDB048A4F668" box="[858,948,573,598]" captionStart="Fig" captionStartId="6.[174,209,1897,1917]" captionTargetBox="[174,1450,901,1870]" captionTargetId="figure-363@6.[174,1451,901,1870]" captionTargetPageId="6" captionText="Fig. 4. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.8055777" httpUri="https://zenodo.org/record/8055777/files/figure.png" pageId="6" pageNumber="7">Fig. 4E</figureCitation>
).
</paragraph>
<paragraph id="8B9E369C2618FFC82AE9FDD048AFF6C8" blockId="6.[850,1452,253,855]" pageId="6" pageNumber="7">
Posterior region tapered into a blunt cone; body wall macerated (
<figureCitation id="131A2A192618FFC82D3CFDF04FA6F6A8" box="[1114,1206,637,662]" captionStart="Fig" captionStartId="5.[137,171,1925,1945]" captionTargetBox="[265,1285,500,1900]" captionTargetId="figure-99@5.[265,1285,500,1900]" captionTargetPageId="5" captionText="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8055775" httpUri="https://zenodo.org/record/8055775/files/figure.png" pageId="6" pageNumber="7">Fig. 3B</figureCitation>
). Cirri of prepygydial segment broken; pygidium smooth, depressed; anus dorso-terminal, open, with two pairs of lateral anal cirri.
</paragraph>
<paragraph id="8B9E369C2618FFC82AE9FD704E01F769" blockId="6.[850,1452,253,855]" pageId="6" pageNumber="7">
Pharynx smooth, partially everted, basal ring barely exposed, dorsal papilla not exposed, terminal papillae absent (
<figureCitation id="131A2A192618FFC82D1CFCB04E14F769" box="[1146,1284,829,855]" captionStart="Fig" captionStartId="5.[137,171,1925,1945]" captionTargetBox="[265,1285,500,1900]" captionTargetId="figure-99@5.[265,1285,500,1900]" captionTargetPageId="5" captionText="Fig. 3. Elisesione problematica (Wesenberg-Lund, 1950), holotype (ZMUC-POL-480). (A) anterior end, dorsal view; (B) posterior end, dorsal view; (C) head, dorsal view. Scale bars: A-C= 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8055775" httpUri="https://zenodo.org/record/8055775/files/figure.png" pageId="6" pageNumber="7">Figs. 3A, C</figureCitation>
).
</paragraph>
<caption id="DF5E66142618FFC829C8F8E44840F38B" ID-DOI="http://doi.org/10.5281/zenodo.8055777" ID-Zenodo-Dep="8055777" httpUri="https://zenodo.org/record/8055777/files/figure.png" pageId="6" pageNumber="7" startId="6.[174,209,1897,1917]" targetBox="[174,1450,901,1870]" targetPageId="6" targetType="figure">
<paragraph id="8B9E369C2618FFC829C8F8E44840F38B" blockId="6.[174,1451,1897,1973]" pageId="6" pageNumber="7">
<emphasis id="B955EA8E2618FFC829C8F8E44BFEF343" bold="true" box="[174,238,1897,1917]" pageId="6" pageNumber="7">Fig. 4.</emphasis>
<taxonomicName id="4C214D1F2618FFC82999F8E449F5F343" authority="(Wesenberg-Lund, 1950)" baseAuthorityName="Wesenberg-Lund" baseAuthorityYear="1950" box="[255,741,1897,1917]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="6" pageNumber="7" phylum="Annelida" rank="species" species="problematica">
<emphasis id="B955EA8E2618FFC82999F8E44AF6F343" box="[255,486,1897,1917]" italics="true" pageId="6" pageNumber="7">Elisesione problematica</emphasis>
(
<bibRefCitation id="EFB04B6D2618FFC82892F8E449CFF343" author="Wesenberg-Lund E." box="[500,735,1897,1917]" pageId="6" pageNumber="7" pagination="1 - 92" refId="ref4852" refString="Wesenberg-Lund E. 1950. Polychaeta. Danish Ingolf-Exped 4: 1 - 92." type="journal article" year="1950">Wesenberg-Lund, 1950</bibRefCitation>
)
</taxonomicName>
, holotype (ZMUC-POL-480). (A) chaetiger 5, right parapodium, posterior view (chaetae omitted); (B) same, dorsal cirrophore; (C) same, ventral cirrophore; (D) same, neurochaetae; (E) same, tip of ventral neurochaetal blade. Scale bars: A = 0.5 mm; B-D = 0.2 mm; E = 20 µm.
</paragraph>
</caption>
<footnote id="E83A2A922618FFC82DFAF8504EBBF3D1" box="[1180,1451,2013,2031]" pageId="6" pageNumber="7">
<paragraph id="8B9E369C2618FFC82DFAF8504EBBF3D1" blockId="6.[1180,1451,2013,2031]" box="[1180,1451,2013,2031]" pageId="6" pageNumber="7">© 2018 Academia Sinica, Taiwan</paragraph>
</footnote>
<paragraph id="8B9E369C2619FFC929A3FF704A7AF568" blockId="7.[136,738,253,406]" pageId="7" pageNumber="8">
<emphasis id="B955EA8E2619FFC929A3FF704A7FF528" box="[197,367,253,278]" italics="true" pageId="7" pageNumber="8">Type material</emphasis>
:
<materialsCitation id="3B493CC12619FFC928E5FF704A7AF568" country="Iceland" elevation="555" latitude="64.3" location="Southwest" longLatPrecision="1008" longitude="-27.0" pageId="7" pageNumber="8" specimenCount="1" typeStatus="holotype">
<typeStatus id="549A883E2619FFC928E5FF704AE1F528" box="[387,497,253,278]" pageId="7" pageNumber="8">Holotype</typeStatus>
(ZMUC-POL-480), sex unknown.
<location id="8EFE60472619FFC92852FE904AA1F509" LSID="urn:lsid:plazi:treatment:0388878A261BFFC929EEFED048B3F548:8EFE60472619FFC92852FE904AA1F509" box="[308,433,285,311]" country="Iceland" latitude="64.3" longLatPrecision="1008" longitude="-27.0" name="Southwest" pageId="7" pageNumber="8">Southwest</location>
off
<collectingCountry id="F336760C2619FFC928BBFE904923F508" box="[477,563,285,310]" name="Iceland" pageId="7" pageNumber="8">Iceland</collectingCountry>
(
<elevation id="000CD1AF2619FFC92B24FE9049CEF508" box="[578,734,285,310]" metricMagnitude="2" metricUnit="m" metricValue="5.55" pageId="7" pageNumber="8" unit="m" value="555.0">
<quantity id="4CD99B792619FFC92B24FE90499FF508" box="[578,655,285,310]" metricMagnitude="2" metricUnit="m" metricValue="5.55" pageId="7" pageNumber="8" unit="m" value="555.0">555 m</quantity>
depth
</elevation>
,
<geoCoordinate id="EE15505B2619FFC929EEFEB04BFAF568" box="[136,234,317,342]" degrees="64" direction="north" minutes="18" orientation="latitude" pageId="7" pageNumber="8" precision="925" value="64.3">64°18'N</geoCoordinate>
,
<geoCoordinate id="EE15505B2619FFC92993FEB04A70F568" box="[245,352,317,342]" degrees="27" direction="west" minutes="00" orientation="longitude" pageId="7" pageNumber="8" precision="925" value="-27.0">27°00'W</geoCoordinate>
).
</materialsCitation>
</paragraph>
<paragraph id="8B9E369C2619FFC929A3FED0499CF5A8" blockId="7.[136,738,253,406]" pageId="7" pageNumber="8">
<emphasis id="B955EA8E2619FFC929A3FED04A72F548" box="[197,354,349,374]" italics="true" pageId="7" pageNumber="8">Distribution</emphasis>
: Only known from the
<typeStatus id="549A883E2619FFC92BCEFED049CFF548" box="[680,735,349,374]" pageId="7" pageNumber="8">type</typeStatus>
locality, southwest off
<collectingCountry id="F336760C2619FFC928ECFEF04AF4F5A8" box="[394,484,381,406]" name="Iceland" pageId="7" pageNumber="8">Iceland</collectingCountry>
,
<quantity id="4CD99B792619FFC92889FEF04929F5A8" box="[495,569,381,406]" metricMagnitude="2" metricUnit="m" metricValue="5.55" pageId="7" pageNumber="8" unit="m" value="555.0">555 m</quantity>
depth.
</paragraph>
<paragraph id="8B9E369C2619FFC929EEFE304A8EF5E8" blockId="7.[136,414,445,470]" box="[136,414,445,470]" pageId="7" pageNumber="8">
<emphasis id="B955EA8E2619FFC929EEFE304A8EF5E8" bold="true" box="[136,414,445,470]" pageId="7" pageNumber="8">Phylogenetic analysis</emphasis>
</paragraph>
<paragraph id="8B9E369C2619FFC929A3FE704BB7F688" blockId="7.[136,737,509,886]" pageId="7" pageNumber="8">
In the resulting tree,
<taxonomicName id="4C214D1F2619FFC928BFFE70494CF628" authorityName="Salazar-Vallejo" authorityYear="2016" box="[473,604,509,534]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC928BFFE70494CF628" box="[473,604,509,534]" italics="true" pageId="7" pageNumber="8">Elisesione</emphasis>
</taxonomicName>
,
<taxonomicName id="4C214D1F2619FFC92B17FE7049C9F628" box="[625,729,509,534]" class="Polychaeta" family="Hesionidae" genus="Hesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC92B17FE7049C9F628" box="[625,729,509,534]" italics="true" pageId="7" pageNumber="8">Hesione</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C214D1F2619FFC929D9FD904A25F608" box="[191,309,541,566]" class="Polychaeta" family="Hesionidae" genus="Leocrates" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC929D9FD904A25F608" box="[191,309,541,566]" italics="true" pageId="7" pageNumber="8">Leocrates</emphasis>
</taxonomicName>
are reciprocally monophyletic, with high support value (86% bootstrap support [BS]).
<taxonomicName id="4C214D1F2619FFC929EEFDD04A19F648" authorityName="Salazar-Vallejo" authorityYear="2016" box="[136,265,605,630]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC929EEFDD04A19F648" box="[136,265,605,630]" italics="true" pageId="7" pageNumber="8">Elisesione</emphasis>
</taxonomicName>
is sister to
<taxonomicName id="4C214D1F2619FFC928C0FDD04931F648" box="[422,545,605,630]" class="Polychaeta" family="Hesionidae" genus="Leocrates" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC928C0FDD04931F648" box="[422,545,605,630]" italics="true" pageId="7" pageNumber="8">Leocrates</emphasis>
</taxonomicName>
, although they comprise a poorly supported clade (52% BS) (
<figureCitation id="131A2A192619FFC92BD5FDF04B8BF688" captionStart="Fig" captionStartId="7.[136,170,1923,1943]" captionTargetBox="[115,1434,921,1897]" captionTargetId="figure-5@7.[108,1449,909,1906]" captionTargetPageId="7" captionText="Fig. 5. Phylogenetic tree of Hesionidae based on COI, 16S, 18S and 28S sequences. Dysponetus caecus and Nereis pelagica were used as an outgroup. Nodal support values (Maximum-likelihood (ML) bootstrap support [BS] value) are indicated on each branch." figureDoi="http://doi.org/10.5281/zenodo.8055779" httpUri="https://zenodo.org/record/8055779/files/figure.png" pageId="7" pageNumber="8">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="8B9E369C2619FFC929A3FD3048B3F548" blockId="7.[136,737,509,886]" lastBlockId="7.[813,1414,253,374]" pageId="7" pageNumber="8">
In a previous morphological study,
<taxonomicName id="4C214D1F2619FFC92B06FD3049CAF6E8" authorityName="Salazar-Vallejo" authorityYear="2016" box="[608,730,701,726]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC92B06FD3049CAF6E8" box="[608,730,701,726]" italics="true" pageId="7" pageNumber="8">Elisesione</emphasis>
</taxonomicName>
,
<taxonomicName id="4C214D1F2619FFC929EEFD504BFDF6C8" box="[136,237,733,758]" class="Polychaeta" family="Hesionidae" genus="Hesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC929EEFD504BFDF6C8" box="[136,237,733,758]" italics="true" pageId="7" pageNumber="8">Hesione</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C214D1F2619FFC9285FFD504AA3F6C8" box="[313,435,733,758]" class="Polychaeta" family="Hesionidae" genus="Leocrates" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC9285FFD504AA3F6C8" box="[313,435,733,758]" italics="true" pageId="7" pageNumber="8">Leocrates</emphasis>
</taxonomicName>
were monophyletic and regarded as tribe
<taxonomicName id="4C214D1F2619FFC92814FD7049B3F728" authority="(Pleijel 1998)" baseAuthorityName="Pleijel" baseAuthorityYear="1998" box="[370,675,765,790]" class="Polychaeta" family="Hesionidae" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="tribe" tribe="Hesionini">
Hesionini (
<bibRefCitation id="EFB04B6D2619FFC9289CFD70498CF728" author="Pleijel F." box="[506,668,765,790]" pageId="7" pageNumber="8" pagination="89 - 163" refId="ref4656" refString="Pleijel F. 1998. Phylogeny and classification of Hesionidae (Polychaeta). Zool Scripta 27: 89 - 163." type="journal article" year="1998">Pleijel 1998</bibRefCitation>
)
</taxonomicName>
. Our results based on four genes also supported the tribe as monophyletic. In Pleijels paper,
<taxonomicName id="4C214D1F2619FFC92B01FCB049F1F768" authorityName="Salazar-Vallejo" authorityYear="2016" box="[615,737,829,854]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC92B01FCB049F1F768" box="[615,737,829,854]" italics="true" pageId="7" pageNumber="8">Elisesione</emphasis>
</taxonomicName>
is sister to
<taxonomicName id="4C214D1F2619FFC92877FCD04A64F748" box="[273,372,861,886]" class="Polychaeta" family="Hesionidae" genus="Hesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC92877FCD04A64F748" box="[273,372,861,886]" italics="true" pageId="7" pageNumber="8">Hesione</emphasis>
</taxonomicName>
; this is not in agreement with our results. However, the BS value of the clade is poor (52% BS); hence, additional study is needed to clarify the position of
<taxonomicName id="4C214D1F2619FFC92D03FEB04FF5F568" authorityName="Salazar-Vallejo" authorityYear="2016" box="[1125,1253,317,342]" class="Polychaeta" family="Hesionidae" genus="Elisesione" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="B955EA8E2619FFC92D03FEB04FF5F568" box="[1125,1253,317,342]" italics="true" pageId="7" pageNumber="8">Elisesione</emphasis>
</taxonomicName>
in the clade
<taxonomicName id="4C214D1F2619FFC92A4BFED0488FF548" baseAuthorityName="Pleijel" baseAuthorityYear="1998" box="[813,927,349,374]" class="Polychaeta" family="Hesionidae" kingdom="Animalia" order="Phyllodocida" pageId="7" pageNumber="8" phylum="Annelida" rank="tribe" tribe="Hesionini">Hesionini</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>