treatments-xml/data/03/A8/17/03A8176E024EFF8921B1FEC7CB881469.xml
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<document id="F408BDF5AD17742B3CD297FF762B076F" ID-CLB-Dataset="7653" ID-DOI="10.1163/18759866-BJA10014" ID-GBIF-Dataset="4d549485-cfa2-4efb-a676-e855443d2613" ID-Zenodo-Dep="4623915" IM.materialsCitations_approvedBy="felipe" IM.metadata_requiresApprovalFor="plazi" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1616176511892" checkinUser="carolina" docAuthor="Korshunova, Tatiana, Bakken, Torkild, GrØtan, Viktor V., Johnson, Kjetil B., Lundin, Kennet &amp; Martynov, Alexander" docDate="2021" docId="03A8176E024EFF8921B1FEC7CB881469" docLanguage="en" docName="ContribZool.90.1.93-153.pdf.imf" docOrigin="Contributions To Zoology 90 (1)" docStyle="DocumentStyle:E1C3C5FD6CDDA08D62BFE928526826AF.2:ContribZool.2019-.journal_article" docStyleId="E1C3C5FD6CDDA08D62BFE928526826AF" docStyleName="ContribZool.2019-.journal_article" docStyleVersion="2" docTitle="Dendronotus yrjargul Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov 2021, sp. nov." docType="treatment" docVersion="7" lastPageNumber="104" masterDocId="FF916F160249FF822334FFFDCA16110F" masterDocTitle="A synoptic review of the family Dendronotidae (Mollusca: Nudibranchia): a multilevel organismal diversity approach" masterLastPageNumber="153" masterPageNumber="93" pageNumber="100" updateTime="1698934442075" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="53DFBF663E447CE0ECD9BAB988E5665F">A synoptic review of the family Dendronotidae (Mollusca: Nudibranchia): a multilevel organismal diversity approach</mods:title>
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<mods:namePart id="6F90D6250C545887266F53D8954555E1">GrØtan, Viktor V.</mods:namePart>
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<mods:namePart id="A1A4425EEB12A5FF6AC2D6671BD36842">Johnson, Kjetil B.</mods:namePart>
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<heading id="D0F61114024EFF8521B1FEC7C9C3105A" bold="true" box="[645,981,314,341]" fontSize="11" level="1" pageId="7" pageNumber="100" reason="6">
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<taxonomicName id="4C01DDFB024EFF8521B1FEC7C96A105A" ID-CoL="7R2C5" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[645,892,314,341]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="7" pageNumber="100" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A024EFF8521B1FEC7C96A105A" bold="true" box="[645,892,314,341]" italics="true" pageId="7" pageNumber="100">Dendronotus yrjargul</emphasis>
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<subSubSection id="C31BF5F3024EFF8521B1FEA2CE9310CE" pageId="7" pageNumber="100" type="description">
<paragraph id="8BBEA678024EFF8521B1FEA2C9191076" blockId="7.[645,1157,314,449]" box="[645,783,351,377]" pageId="7" pageNumber="100">
<figureCitation id="133ABAFD024EFF8521B1FEA2C8CA1076" box="[645,732,351,377]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="5.[98,165,1580,1601]" captionStartId-1="6.[129,196,1609,1630]" captionStartId-2="8.[129,196,1542,1563]" captionStartId-3="9.[98,164,1492,1513]" captionTargetBox-0="[128,1127,170,1548]" captionTargetBox-1="[149,1166,172,1575]" captionTargetBox-2="[129,1187,170,1506]" captionTargetBox-3="[115,1140,170,1460]" captionTargetId-0="figure-1@5.[128,1127,170,1548]" captionTargetId-1="figure-1@6.[147,1168,170,1577]" captionTargetId-2="figure-1@8.[129,1187,170,1510]" captionTargetId-3="figure-1@9.[115,1140,170,1460]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="8" captionText-0="FIGURE 1 Phylogenetic relationships of the species of the genus Dendronotus based on COI + 16S + 28S + H3 concatenated dataset inferred by Bayesian Inference (BI). Numbers represent posterior probabilities from BI and bootstrap values for Maximum Likelihood.Some branches are collapsed at species level.Dendronotus elegans from the type region (North Atlantic) are highlighted in dark purple. Abbreviations:h holotype; p paratype.Summary of species delimitation results from ABGD analyses for the COI dataset is shown" captionText-1="FIGURE 2 Phylogenetic relationships of the species of the genera Dendronotus, Pseudobornella and Cabangus in single COI, 16S, 28S, and H3 gene trees inferred by Bayesian Inference (BI). Some branches are collapsed. Positions the Pseudobornella orientalis highlighted green; positions the Cabangus regius highlighted orange.Numbers represent posterior probabilities from BI. PHOTOGRAPHS BY A. MARTYNOV AND T. KORSHUNOVA" captionText-2="FIGURE 3 A.Map of the Northern Hemisphere showing the distribution of D.elegans (including “D.niveus”), D.kalikal, and D.yrjargul sp. nov.The type locality of D.elegans is indicated by crossed lines. B. The haplotype networks based on cytochrome c oxidase subunit I (COI), 16S rRNA (16S), and 28S rRNA (28S) molecular data showing genetic mutations occurring within D.elegans (“D.niveus”), D. kalikal, and D.yrjargul sp. nov. specimens.Abbreviations:BeSt Bering Strait; BS Barents Sea; Gr Greenland; Km Kamchatka; KS Kara Sea; Ku Kuril Islands; LS Laptev Sea; Nf Newfoundland; NS Norwegian Sea; WS White Sea.Type locality of D.elegans is marked on the map by “x”." captionText-3="FIGURE 4 Dendronotus yrjargul sp.nov.(an) and D.kalikal (ot), external and internal morphology.ac: living holotype of D.yrjargul NTNU-VM-76306 (a) and its habitat (b, c), dorsal,ventral and lateral views with egg mass and associated hydroid Abietinaria fusca, respectively; d: Dendronotus yrjargul, habitat of living paratype NTNU-VM-76302;e: jaw of holotype; f:denticles on the masticatory edge of the holotype; g: jaws of paratype NTNU-VM-76302; h:discoid ridge-like structures on the masticatory edge of paratype NTNU-VM-76302;i: details of discoid structures on the masticatory edge of paratype NTNU-VM-76302; j: anterior part of radula of holotype; k:central teeth of radula of holotype;l:lateral teeth of radula of holotype; m:central teeth of radula of paratype NTNU-VM-76302; n: lateral teeth of radula of holotype; o: living holotype of D.kalikal; p: jaw of D.kalikal, specimen from Kurile Islands;" figureDoi-0="http://doi.org/10.5281/zenodo.4623918" figureDoi-1="http://doi.org/10.5281/zenodo.4623920" figureDoi-2="http://doi.org/10.5281/zenodo.4623922" figureDoi-3="http://doi.org/10.5281/zenodo.4623924" httpUri-0="https://zenodo.org/record/4623918/files/figure.png" httpUri-1="https://zenodo.org/record/4623920/files/figure.png" httpUri-2="https://zenodo.org/record/4623922/files/figure.png" httpUri-3="https://zenodo.org/record/4623924/files/figure.png" pageId="7" pageNumber="100">Figs 14</figureCitation>
,
<figureCitation id="133ABAFD024EFF8521DCFEA2C8E01076" box="[744,758,351,377]" captionStart="FIGURE 6" captionStartId="13.[100,167,1225,1246]" captionTargetBox="[101,1153,173,1189]" captionTargetId="figure-109@13.[98,1156,170,1193]" captionTargetPageId="13" captionText="FIGURE 6 Reproductive systems. a, Dendronotus yrjargul sp. nov.; b, D.kalikal; c, D.elegans; d, D. nordenskioeldi sp. nov. Scale bars:ad 1mm.Abbreviations:am, ampulla; bc, bursa copulatrix; fgm, female gland mass; fo, female opening; p, penis; pr, prostate; rs, receptaculum seminis; ud, uterine duct; vd, vas deferens; vg, vaginal duct." figureDoi="http://doi.org/10.5281/zenodo.4623928" httpUri="https://zenodo.org/record/4623928/files/figure.png" pageId="7" pageNumber="100">6</figureCitation>
,
<figureCitation id="133ABAFD024EFF852036FEA2C9191076" box="[770,783,351,377]" captionStart="FIGURE 7" captionStartId="14.[129,196,1668,1689]" captionTargetBox="[144,1171,170,1636]" captionTargetId="figure-1@14.[144,1171,170,1636]" captionTargetPageId="14" captionText="FIGURE 7 Representaives of the genus Dendronotus (living specimens). PHOTOGRAPHS BY T. KORSHUNOVA, A. MARTYNOV, K. FLETCHER, D. MILLER, Y. FUJIWARA, K. HASEGAWA, K. SANAMYAN, N. SANAMYAN, AND O. ZIMINA" figureDoi="http://doi.org/10.5281/zenodo.4623930" httpUri="https://zenodo.org/record/4623930/files/figure.png" pageId="7" pageNumber="100">7</figureCitation>
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<paragraph id="8BBEA678024EFF852190FE7ECE9310CE" blockId="7.[645,1157,314,449]" pageId="7" pageNumber="100">
ZooBank: http://
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urn:lsid:zoobank.org:act:
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<subSubSection id="C31BF5F3024EFF8521B1FE13C8CB1397" pageId="7" pageNumber="100" type="etymology">
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<emphasis id="B9757A6A024EFF8521B1FE13C8E81307" box="[645,766,494,520]" italics="true" pageId="7" pageNumber="100">Etymology.</emphasis>
From Norwegian yrjar (= old name for the
<typeStatus id="54BA18DA024EFF852014FDEEC9471322" box="[800,849,531,557]" pageId="7" pageNumber="100">type</typeStatus>
locality in Ørland) and gul (= yellow) meaning “yellow/golden of Ørland” in reference to the remarkable habitus of this species.
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<typeStatus id="54BA18DA024EFF8521B1FD3AC8AF13EF" box="[645,697,711,736]" pageId="7" pageNumber="100">Type</typeStatus>
locality
</emphasis>
. Norwegian Sea, Norway, Ørland.
</paragraph>
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<emphasis id="B9757A6A024EFF8521B1FCF3C9741227" box="[645,866,782,808]" italics="true" pageId="7" pageNumber="100">Material examined</emphasis>
.
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.
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, live length
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(
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preserved), Norwegian Sea, mouth of Trondheimsfjord, Ørland,
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, 12.03.2018, depth
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, collector
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.
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with same provenance data: NTNU-VM-76307,
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, live length
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(
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preserved)
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;
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NTNU-VM-76308,
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, live length
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(
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preserved)
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;
<materialsCitation id="3B69AC25024EFF85272FFBD0C9911484" ID-GBIF-Occurrence="3058403301" collectionCode="V" country="Norway" pageId="7" pageNumber="100" stateProvince="Breivika" typeStatus="paratype">
<typeStatus id="54BA18DA024EFF85272FFBD0CE931548" box="[1051,1157,1069,1095]" pageId="7" pageNumber="100" type="paratype">paratypes</typeStatus>
with same provenance data but collected 08.01.2018, depth
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, collector Viktor
<collectionCode id="ED103EBD024EFF852745FB88CE941580" box="[1137,1154,1141,1167]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="7" pageNumber="100" type="Museum">V</collectionCode>
. GrØtan, Kjetil B. Johnson: NTNU-VM-76302,
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, preserved length
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; NTNU-VM- 76305,
<specimenCount id="9D076DF1024EFF8521EDFB1CC94D15F5" box="[729,859,1248,1275]" pageId="7" pageNumber="100" type="generic">1 specimen</specimenCount>
, preserved length
<quantity id="4CF90B9D024EFF85270EFB1CCE9715F4" box="[1082,1153,1249,1275]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="7" pageNumber="100" unit="mm" value="17.0">17 mm</quantity>
; NTNU-VM-76303,
<specimenCount id="9D076DF1024EFF85207EFAF9C9D21411" box="[842,964,1284,1310]" pageId="7" pageNumber="100" type="generic">1 specimen</specimenCount>
, preserved length
<quantity id="4CF90B9D024EFF8521B1FAD5C8DB144C" box="[645,717,1320,1347]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="7" pageNumber="100" unit="mm" value="14.0">14 mm</quantity>
; NTNU-VM-76304,
<specimenCount id="9D076DF1024EFF8520AEFAD5CE04144D" box="[922,1042,1320,1346]" pageId="7" pageNumber="100" type="generic">1 specimen</specimenCount>
, preserved length
<quantity id="4CF90B9D024EFF8521E8FAB1C9321468" box="[732,804,1356,1383]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="7" pageNumber="100" unit="mm" value="19.0">19 mm</quantity>
;
<collectionCode id="ED103EBD024EFF85200DFAB0C99F1468" box="[825,905,1357,1383]" collectionName="ZMMU" country="Russia" httpUri="http://grbio.org/cool/k3qp-615s" name="Zoological Museum, Moscow Lomonosov State University" pageId="7" pageNumber="100" type="Museum">ZMMU</collectionCode>
Op-718,
<specimenCount id="9D076DF1024EFF8520C8FAB1CE971469" box="[1020,1153,1356,1382]" pageId="7" pageNumber="100" type="generic">1 specimen</specimenCount>
, preserved length
<quantity id="4CF90B9D024EFF85200BFA8DC9911484" box="[831,903,1392,1419]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="7" pageNumber="100" unit="mm" value="19.0">19 mm</quantity>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C31BF5F3024EFF8821B1FA44C81A1564" lastPageId="10" lastPageNumber="103" pageId="7" pageNumber="100" type="description">
<paragraph id="8BBEA678024EFF8521B1FA44CE9017C2" blockId="7.[645,1158,1464,1742]" pageId="7" pageNumber="100">
<emphasis id="B9757A6A024EFF8521B1FA44C8EC14DD" box="[645,762,1465,1490]" italics="true" pageId="7" pageNumber="100">Description</emphasis>
. Body elongate, living specimens up to
<quantity id="4CF90B9D024EFF8521E2FA21C93614F9" box="[726,800,1500,1527]" metricMagnitude="-2" metricUnit="m" metricValue="9.5" pageId="7" pageNumber="100" unit="mm" value="95.0">95 mm</quantity>
in length (fig. 4). Five to six main branched appendages on oral veil. Five appendages on rhinophoral stalks; 1830 rhinophoral lamellae.Branchedlateralpapillaon rhinophoral sheath present. Seven to eight pairs of dorsolateral appendagespresentin largeadult specimens. Lip papillae 10 to 20. Dorsolateral
</paragraph>
<caption id="DF7EF6F00241FF8A23B5F9FBCE5017C4" ID-DOI="http://doi.org/10.5281/zenodo.4623922" ID-Zenodo-Dep="4623922" httpUri="https://zenodo.org/record/4623922/files/figure.png" pageId="8" pageNumber="101" startId="8.[129,196,1542,1563]" subCaptionStartIDs="8.[635,767,1659,1681]" subCaptionStarts="Abbr" targetBox="[129,1187,170,1506]" targetPageId="8">
<paragraph id="8BBEA6780241FF8A23B5F9FBCE5017C4" blockId="8.[129,1170,1542,1740]" pageId="8" pageNumber="101">
<pageTitle id="CB9E7E1F0241FF8A23B5F9FBCAC41714" box="[129,210,1542,1563]" pageId="8" pageNumber="101">FIGURE 3</pageTitle>
A. Map of the Northern Hemisphere showing the distribution of
<taxonomicName id="4C01DDFB0241FF8A207CF9FAC9B41714" authorityName="Verrill" authorityYear="1880" box="[840,930,1542,1564]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="elegans">
<emphasis id="B9757A6A0241FF8A207CF9FAC9B41714" box="[840,930,1542,1564]" italics="true" pageId="8" pageNumber="101">D. elegans</emphasis>
</taxonomicName>
(including “
<taxonomicName id="4C01DDFB0241FF8A2726F9FACE741713" box="[1042,1122,1543,1564]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="niveus">
<emphasis id="B9757A6A0241FF8A2726F9FACE741713" box="[1042,1122,1543,1564]" italics="true" pageId="8" pageNumber="101">D. niveus</emphasis>
</taxonomicName>
”),
<emphasis id="B9757A6A0241FF8A23CDF9D9CB471737" box="[249,337,1571,1593]" italics="true" pageId="8" pageNumber="101">
<taxonomicName id="4C01DDFB0241FF8A23CDF9D9CB5B1737" box="[249,333,1571,1593]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="kalikal">D. kalikal</taxonomicName>
,
</emphasis>
and
<taxonomicName id="4C01DDFB0241FF8A2249F9D9CBCD1737" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[381,475,1571,1593]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0241FF8A2249F9D9CBCD1737" box="[381,475,1571,1593]" italics="true" pageId="8" pageNumber="101">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110241FF8A22D4F9D9C8321736" box="[480,548,1572,1593]" pageId="8" pageNumber="101" rank="species">sp. nov.</taxonomicNameLabel>
The type locality of
<taxonomicName id="4C01DDFB0241FF8A21E8F9D9C9201737" authorityName="Verrill" authorityYear="1880" box="[732,822,1571,1593]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="elegans">
<emphasis id="B9757A6A0241FF8A21E8F9D9C9201737" box="[732,822,1571,1593]" italics="true" pageId="8" pageNumber="101">D. elegans</emphasis>
</taxonomicName>
is indicated by crossed lines. B. The haplotype networks based on cytochrome c oxidase subunit I (COI), 16S rRNA (16S), and 28S rRNA (28S) molecular data showing genetic mutations occurring within
<taxonomicName id="4C01DDFB0241FF8A20BAF9A2C9FE177C" authorityName="Verrill" authorityYear="1880" box="[910,1000,1630,1652]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="elegans">
<emphasis id="B9757A6A0241FF8A20BAF9A2C9FE177C" box="[910,1000,1630,1652]" italics="true" pageId="8" pageNumber="101">D. elegans</emphasis>
</taxonomicName>
(“
<taxonomicName id="4C01DDFB0241FF8A20C8F9A2CE5A177B" box="[1020,1100,1631,1652]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="niveus">
<emphasis id="B9757A6A0241FF8A20C8F9A2CE5A177B" box="[1020,1100,1631,1652]" italics="true" pageId="8" pageNumber="101">D. niveus</emphasis>
</taxonomicName>
”),
<emphasis id="B9757A6A0241FF8A2750F9A2CB2D179F" italics="true" pageId="8" pageNumber="101">
<taxonomicName id="4C01DDFB0241FF8A2750F9A2CB20179F" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="kalikal">D. kalikal</taxonomicName>
,
</emphasis>
and
<taxonomicName id="4C01DDFB0241FF8A2252F981CBD2179F" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[358,452,1659,1681]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0241FF8A2252F981CBD2179F" box="[358,452,1659,1681]" italics="true" pageId="8" pageNumber="101">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110241FF8A22FDF981C81B179E" box="[457,525,1660,1681]" pageId="8" pageNumber="101" rank="species">sp. nov.</taxonomicNameLabel>
specimens. Abbreviations: BeSt Bering Strait; BS Barents Sea; Gr Greenland; Km Kamchatka; KS Kara Sea; Ku Kuril Islands; LS Laptev Sea; Nf Newfoundland; NS Norwegian Sea; WS White Sea. Type locality of
<taxonomicName id="4C01DDFB0241FF8A21D6F94AC92A17C4" authorityName="Verrill" authorityYear="1880" box="[738,828,1718,1740]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="8" pageNumber="101" phylum="Mollusca" rank="species" species="elegans">
<emphasis id="B9757A6A0241FF8A21D6F94AC92A17C4" box="[738,828,1718,1740]" italics="true" pageId="8" pageNumber="101">D. elegans</emphasis>
</taxonomicName>
is marked on the map by “x”.
</paragraph>
</caption>
<caption id="DF7EF6F00240FF8B2356FA29CE4E17DB" ID-DOI="http://doi.org/10.5281/zenodo.4623924" ID-Zenodo-Dep="4623924" httpUri="https://zenodo.org/record/4623924/files/figure.png" pageId="9" pageNumber="102" startId="9.[98,164,1492,1513]" targetBox="[115,1140,170,1460]" targetPageId="9">
<paragraph id="8BBEA6780240FF8B2356FA29CE4E17DB" blockId="9.[98,1132,1492,1748]" pageId="9" pageNumber="102">
<pageTitle id="CB9E7E1F0240FF8B2356FA29CAA214E6" box="[98,180,1492,1513]" pageId="9" pageNumber="102">FIGURE 4</pageTitle>
<taxonomicName id="4C01DDFB0240FF8B23EFFA29CB8E14E6" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[219,408,1492,1513]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="9" pageNumber="102" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0240FF8B23EFFA29CB8E14E6" box="[219,408,1492,1513]" italics="true" pageId="9" pageNumber="102">Dendronotus yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110240FF8B22A9FA29CBF714E6" box="[413,481,1492,1513]" pageId="9" pageNumber="102" rank="species">sp. nov.</taxonomicNameLabel>
(an) and
<taxonomicName id="4C01DDFB0240FF8B2176FA29C88514E6" box="[578,659,1492,1513]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="9" pageNumber="102" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0240FF8B2176FA29C88514E6" box="[578,659,1492,1513]" italics="true" pageId="9" pageNumber="102">D.kalikal</emphasis>
</taxonomicName>
(ot), external and internal morphology. ac: living holotype of
<taxonomicName id="4C01DDFB0240FF8B227CFA0FCBB21709" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[328,420,1521,1543]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="9" pageNumber="102" phylum="Mollusca" rank="species" species="yrjargul">
<emphasis id="B9757A6A0240FF8B227CFA0FCBB21709" box="[328,420,1521,1543]" italics="true" pageId="9" pageNumber="102">D.yrjargul</emphasis>
</taxonomicName>
NTNU-VM-76306 (a) and its habitat (b, c), dorsal, ventral and lateral views with egg mass and associated hydroid
<taxonomicName id="4C01DDFB0240FF8B2107F9F3C8DC172C" baseAuthorityName="Johnston" baseAuthorityYear="1847" box="[563,714,1550,1571]" class="Hydrozoa" family="Sertulariidae" genus="Abietinaria" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="102" phylum="Cnidaria" rank="species" species="fusca">
<emphasis id="B9757A6A0240FF8B2107F9F3C8DC172C" box="[563,714,1550,1571]" italics="true" pageId="9" pageNumber="102">Abietinaria fusca</emphasis>
</taxonomicName>
, respectively; d:
<taxonomicName id="4C01DDFB0240FF8B206AF9F3CE0D172C" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[862,1051,1550,1571]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="9" pageNumber="102" phylum="Mollusca" rank="species" species="yrjargul">
<emphasis id="B9757A6A0240FF8B206AF9F3CE0D172C" box="[862,1051,1550,1571]" italics="true" pageId="9" pageNumber="102">Dendronotus yrjargul</emphasis>
</taxonomicName>
, habitat of living paratype NTNU-VM-76302; e: jaw of holotype; f: denticles on the masticatory edge of the holotype; g: jaws of paratype NTNU-VM-76302; h: discoid ridge-like structures on the masticatory edge of paratype NTNU-VM-76302; i: details of discoid structures on the masticatory edge of paratype NTNU-VM-76302; j: anterior part of radula of holotype; k: central teeth of radula of holotype; l: lateral teeth of radula of holotype; m: central teeth of radula of paratype NTNU-VM-76302; n: lateral teeth of radula of holotype; o: living holotype of
<taxonomicName id="4C01DDFB0240FF8B2170F942C88317DC" box="[580,661,1726,1748]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="9" pageNumber="102" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0240FF8B2170F942C88317DC" box="[580,661,1726,1748]" italics="true" pageId="9" pageNumber="102">D.kalikal</emphasis>
</taxonomicName>
; p: jaw of
<taxonomicName id="4C01DDFB0240FF8B21DBF942C95717DC" box="[751,833,1726,1748]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="9" pageNumber="102" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0240FF8B21DBF942C95717DC" box="[751,833,1726,1748]" italics="true" pageId="9" pageNumber="102">D. kalikal</emphasis>
</taxonomicName>
, specimen from Kurile Islands;
</paragraph>
</caption>
<paragraph id="8BBEA6780243FF8823B5FF56C81A1564" blockId="10.[129,643,171,1131]" pageId="10" pageNumber="103">appendages with relatively short primary stalk, strongly branched secondary branches and elongate tertiary branches (fig. 4AD). Basal colour is semitransclucent white to greyish, with characteristic two thin wavy subparallel brownish-orange to brownish lines running from the head nearly to the tail. There are no specimens with brownish basal colour. Upper part of the dorsolateral appendages covered with bright golden yellow to yellowish pigment. Foot bordered with thin brownish-orange line. Dorsal processes of jaws inclined posteriorly at approximately 4048° to the longitudinal axis of the jaw body and 0.4 of its length (fig. 4EI). Masticatory border of jaw with evident ridge-like denticles (fig. 4H, I). Radular formula: 3850 × 09.1.90. Central (rachidian) tooth moderately denticulated and bearing up to 16 distinctdenticles(fig.4JM).Denticleswithdeep furrows. Lateral teeth elongate, slightly curved, bearing up to 7 denticles (fig. 4JN). Ampulla thickened kidney-shaped (fig. 6A). Prostate discoidal, consisting of up to 50 alveolar glands. Distal part of vas deferens moderate in length, transitioning to long, thick, curved copulatory organ. Bursa copulatrix large, rounded, with seminalreceptaculum placeddistally.</paragraph>
</subSubSection>
<subSubSection id="C31BF5F30243FF8823B5FB64C89415BC" box="[129,642,1177,1203]" pageId="10" pageNumber="103" type="distribution">
<paragraph id="8BBEA6780243FF8823B5FB64C89415BC" blockId="10.[129,642,1177,1203]" box="[129,642,1177,1203]" pageId="10" pageNumber="103">
<emphasis id="B9757A6A0243FF8823B5FB64CB1315BC" box="[129,261,1177,1203]" italics="true" pageId="10" pageNumber="103">Distribution</emphasis>
. From Norwegian Sea to Kara Sea.
</paragraph>
</subSubSection>
<subSubSection id="C31BF5F30243FF8823B5FB1DCE73135F" pageId="10" pageNumber="103" type="biology_ecology">
<paragraph id="8BBEA6780243FF8823B5FB1DCE73135F" blockId="10.[129,643,1248,1562]" lastBlockId="10.[674,1188,171,593]" pageId="10" pageNumber="103">
<emphasis id="B9757A6A0243FF8823B5FB1DCBF915F5" box="[129,495,1248,1274]" italics="true" pageId="10" pageNumber="103">Habitatandecologicalobservations</emphasis>
.
<taxonomicName id="4C01DDFB0243FF8822CCFB1DCAC31411" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0243FF8822CCFB1DCAC31411" italics="true" pageId="10" pageNumber="103">Dendronotus yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110243FF8823EAFAF8CB241410" box="[222,306,1285,1311]" pageId="10" pageNumber="103" rank="species">sp. nov.</taxonomicNameLabel>
is closely associated with the hydroid
<taxonomicName id="4C01DDFB0243FF8823E9FAD5C858144D" authority="(Johnston, 1847)" baseAuthorityName="Johnston" baseAuthorityYear="1847" box="[221,590,1320,1346]" class="Hydrozoa" family="Sertulariidae" genus="Abietinaria" kingdom="Animalia" order="Leptothecata" pageId="10" pageNumber="103" phylum="Cnidaria" rank="species" species="fusca">
<emphasis id="B9757A6A0243FF8823E9FAD5CB82144D" box="[221,404,1320,1346]" italics="true" pageId="10" pageNumber="103">Abietinaria fusca</emphasis>
(Johnston, 1847)
</taxonomicName>
(see
<bibRefCitation id="EF90DB890243FF8823B5FAB0CB011469" author="Vervoort, W." box="[129,279,1356,1383]" journalOrPublisher="Zool. Meded" pageId="10" pageNumber="103" pagination="275 - 312" part="23" refId="ref33204" refString="Vervoort, W. (1942) Northern Hydroida in the Collections of the Rijksmuseum van Natuurlijke Historie and the Zoological Museum at Amsterdam, with notes on their distribution. Zool. Meded,, 23, 275 - 312." title="Northern Hydroida in the Collections of the Rijksmuseum van Natuurlijke Historie and the Zoological Museum at Amsterdam, with notes on their distribution" type="journal article" year="1942">Vervoort,1942</bibRefCitation>
)whichformsdarkbrowncolonies that resemble small dry fir branches (personal observationsof VGand KJ).The hydroid usually inhabits somewhat deeper water, but currents and other conditions in the Norwegian waters makeit reachable by scuba diving at circa
<specimenCount id="9D076DF10243FF882172F9FDC8941715" box="[582,642,1536,1562]" pageId="10" pageNumber="103" type="generic">
<quantity id="4CF90B9D0243FF882172F9FDC8681715" box="[582,638,1536,1562]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="10" pageNumber="103" unit="m" value="20.0">20 m</quantity>
.
</specimenCount>
We have only rarely observed the new species on other hydroids.
<taxonomicName id="4C01DDFB0243FF882058FF32CE5911E6" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[876,1103,207,233]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0243FF882058FF32CE5911E6" box="[876,1103,207,233]" italics="true" pageId="10" pageNumber="103">Dendronotus yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110243FF882760FF2DCEB211E5" box="[1108,1188,208,234]" pageId="10" pageNumber="103" rank="species">sp. nov.</taxonomicNameLabel>
appears quite abundant in this location, up to 10 individualsper m
<superScript id="7C740B300243FF88204BFEEDC99E102C" attach="right" box="[895,904,272,291]" fontSize="8" pageId="10" pageNumber="103">2</superScript>
. Thenewspecies appears to have a one-year life cycle. Mating and egg laying occurs around March, andthe large adult individuals eventually disappear throughout the spring, as does the hydroid they live on. During the summer, small individuals begin to reappear, along with the new growing phase of
<taxonomicName id="4C01DDFB0243FF882196FDEEC8E11322" baseAuthorityName="Johnston" baseAuthorityYear="1847" box="[674,759,531,557]" class="Hydrozoa" family="Sertulariidae" genus="Abietinaria" kingdom="Animalia" order="Leptothecata" pageId="10" pageNumber="103" phylum="Cnidaria" rank="species" species="fusca">
<emphasis id="B9757A6A0243FF882196FDEEC8E11322" box="[674,759,531,557]" italics="true" pageId="10" pageNumber="103">A. fusca</emphasis>
</taxonomicName>
. The new generation of
<taxonomicName id="4C01DDFB0243FF88273FFDEECE6B1323" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[1035,1149,530,556]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0243FF88273FFDEECE6B1323" box="[1035,1149,530,556]" italics="true" pageId="10" pageNumber="103">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110243FF8827B1FDEEC8D9135E" pageId="10" pageNumber="103" rank="species">sp. nov.</taxonomicNameLabel>
grow throughout autumn andwinter.
</paragraph>
</subSubSection>
<subSubSection id="C31BF5F30243FF892196FD83CB881469" lastPageId="11" lastPageNumber="104" pageId="10" pageNumber="103" type="discussion">
<paragraph id="8BBEA6780243FF882196FD83CEB51715" blockId="10.[674,1188,638,1562]" pageId="10" pageNumber="103">
<emphasis id="B9757A6A0243FF882196FD83C8EB1397" box="[674,765,638,664]" italics="true" pageId="10" pageNumber="103">Remarks</emphasis>
. Externally,
<taxonomicName id="4C01DDFB0243FF8820B1FD82C9E01397" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[901,1014,638,664]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0243FF8820B1FD82C9E01397" box="[901,1014,638,664]" italics="true" pageId="10" pageNumber="103">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110243FF8820CBFD82CE471396" box="[1023,1105,639,665]" pageId="10" pageNumber="103" rank="species">sp. nov.</taxonomicNameLabel>
readily differs from all known species of the genus
<taxonomicName id="4C01DDFB0243FF882196FD3BC93C13EF" box="[674,810,710,736]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="genus">
<emphasis id="B9757A6A0243FF882196FD3BC93C13EF" box="[674,810,710,736]" italics="true" pageId="10" pageNumber="103">Dendronotus</emphasis>
</taxonomicName>
(synopsis given below), including thesisterspeciesfromthe North Pacific,
<taxonomicName id="4C01DDFB0243FF882770FD16CEB4120B" box="[1092,1186,746,772]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0243FF882770FD16CEB4120B" box="[1092,1186,746,772]" italics="true" pageId="10" pageNumber="103">D.kalikal</emphasis>
</taxonomicName>
(description forcomparison isgiven below), by a combination of off-white semitransparent body with two thin dorsal subparallel brownish lines and dorso-lateral appendages golden-yellow to yellowish(fig.4AD).Instead,
<taxonomicName id="4C01DDFB0243FF8820EDFC63CE2012B8" box="[985,1078,925,951]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0243FF8820EDFC63CE2012B8" box="[985,1078,925,951]" italics="true" pageId="10" pageNumber="103">D.kalikal</emphasis>
</taxonomicName>
invariably possesses a basal body colour covered with numerous brownish speckles and small spots, whichmakesubparalleldorsallinesconsiderably blurred and indistinct (fig. 4O). Importantly, we investigated more than ten
<taxonomicName id="4C01DDFB0243FF8820FEFBAFCE3C1564" box="[970,1066,1105,1131]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0243FF8820FEFBAFCE3C1564" box="[970,1066,1105,1131]" italics="true" pageId="10" pageNumber="103">D. kalikal</emphasis>
</taxonomicName>
specimens from very distantly placed localities in the Bering Strait, Kamchatka and Kurile Islands (fig. 3A) and not one specimen possessed a mostly whitish semitransparent body with distinct thin subparallel dorsal lines, as in
<taxonomicName id="4C01DDFB0243FF8820EAFAF8CE5B1411" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[990,1101,1284,1310]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0243FF8820EAFAF8CE5B1411" box="[990,1101,1284,1310]" italics="true" pageId="10" pageNumber="103">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110243FF882767FAF8CEB21410" box="[1107,1188,1285,1311]" pageId="10" pageNumber="103" rank="species">sp. nov.</taxonomicNameLabel>
(fig. 4AD). The whitish colouration in
<taxonomicName id="4C01DDFB0243FF882777FAD4CEB4144D" box="[1091,1186,1320,1346]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0243FF882777FAD4CEB4144D" box="[1091,1186,1320,1346]" italics="true" pageId="10" pageNumber="103">D.kalikal</emphasis>
</taxonomicName>
consists of a background colour represented by areas in between the numerous basal brownish spots and stripes. Furthermore, considerable differences in the reproductive system and the maturation process between
<taxonomicName id="4C01DDFB0243FF8820E9FA20CE5A14F9" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[989,1100,1500,1526]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0243FF8820E9FA20CE5A14F9" box="[989,1100,1500,1526]" italics="true" pageId="10" pageNumber="103">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110243FF882767FA21CEB214F9" box="[1107,1188,1500,1526]" pageId="10" pageNumber="103" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="4C01DDFB0243FF8821E2F9FCC92D1715" box="[726,827,1536,1562]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="10" pageNumber="103" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0243FF8821E2F9FCC92D1715" box="[726,827,1536,1562]" italics="true" pageId="10" pageNumber="103">D. kalikal</emphasis>
</taxonomicName>
were revealed in course of the
</paragraph>
<caption id="DF7EF6F00243FF8823B5F9BECB7217C1" ID-DOI="http://doi.org/10.5281/zenodo.4624048" ID-Zenodo-Dep="4624048" httpUri="https://zenodo.org/record/4624048/files/figure.png" pageId="10" pageNumber="103" targetBox="[115,1140,170,1460]" targetPageId="9">
<paragraph id="8BBEA6780243FF8823B5F9BECB7217C1" blockId="10.[129,1185,1603,1742]" pageId="10" pageNumber="103">
<pageTitle id="CB9E7E1F0243FF8823B5F9BECAAD1779" pageId="10" pageNumber="103">
FIGURE 4 q: details of the masticatory edge of the same specimen; r: anterior part of radula of the same specimen; (
<emphasis id="B9757A6A0243FF8823BCF99CCAA21779" box="[136,180,1633,1654]" italics="true" pageId="10" pageNumber="103">cont.</emphasis>
)
</pageTitle>
s: central teeth of radula, same specimen; t: lateral teeth of radula, same specimen. Scale bars: e: 300 µm; f: 100 µm; g: 500 µm; h, m, n, q, t: 20 µm; i: 5 µm; j, k, r, s: 50 µm; l, t: 20 µm; p: 200 µm. PHOTOGRAPHS BY V. GRØTAN (AD) AND T. KORSHUNOVA (O). SEM MICROGRAPHS BY A. MARTYNOV
</paragraph>
</caption>
<paragraph id="8BBEA6780242FF892356FF51C874103E" blockId="11.[98,611,171,1382]" pageId="11" pageNumber="104">
presentstudy. Allstudiedspecimensof
<taxonomicName id="4C01DDFB0242FF892136FF51C87711CA" box="[514,609,171,197]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0242FF892136FF51C87711CA" box="[514,609,171,197]" italics="true" pageId="11" pageNumber="104">D.kalikal</emphasis>
</taxonomicName>
have an elongated bursa copulatrix (fig. 6B), whereas in all studied specimens of
<taxonomicName id="4C01DDFB0242FF8922C6FF09C8771002" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[498,609,243,269]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF8922C6FF09C8771002" box="[498,609,243,269]" italics="true" pageId="11" pageNumber="104">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF892356FEE5CAA7103D" box="[98,177,280,306]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
(fig. 6A) thebursa copulatrix is rounded.
</paragraph>
<paragraph id="8BBEA6780242FF8923B5FEC6CB881469" blockId="11.[98,611,171,1382]" pageId="11" pageNumber="104">
Furthermore, we discovered that there is considerable difference in the patterns of maturation (and hence, ontogenetic patterns) between
<taxonomicName id="4C01DDFB0242FF8923FBFE55CB5E10CE" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[207,328,423,449]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF8923FBFE55CB5E10CE" box="[207,328,423,449]" italics="true" pageId="11" pageNumber="104">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF892261FE5ACBB810CE" box="[341,430,423,449]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
and
<emphasis id="B9757A6A0242FF8922C5FE55CB4510EA" italics="true" pageId="11" pageNumber="104">
<taxonomicName id="4C01DDFB0242FF8922C5FE55C84910CE" box="[497,607,423,449]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">D. kalikal</taxonomicName>
.
<taxonomicName id="4C01DDFB0242FF892356FE36CB4510EA" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[98,339,459,485]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">Dendronotus yrjargul</taxonomicName>
</emphasis>
<taxonomicNameLabel id="A246C7110242FF89226BFE36CBAE10EA" box="[351,440,459,485]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
reaches a big size of
<quantity id="4CF90B9D0242FF892387FE13CAE91306" box="[179,255,494,521]" metricMagnitude="-2" metricUnit="m" metricValue="9.5" pageId="11" pageNumber="104" unit="mm" value="95.0">95 mm</quantity>
(live) in the adult state, and in specimens of
<quantity id="4CF90B9D0242FF892236FDEECB6F1322" box="[258,377,531,557]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="11" pageNumber="104" unit="mm" value="25.0" valueMax="30.0" valueMin="20.0">2030 mm</quantity>
(live) the reproductive system was still very weakly developed. Instead,
<taxonomicName id="4C01DDFB0242FF8923F1FDA6CB3B137B" box="[197,301,602,628]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0242FF8923F1FDA6CB3B137B" box="[197,301,602,628]" italics="true" pageId="11" pageNumber="104">D. kalikal</emphasis>
</taxonomicName>
has a maximum length of
<quantity id="4CF90B9D0242FF892356FD83CABF1396" box="[98,169,638,665]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="11" pageNumber="104" unit="mm" value="17.0">17 mm</quantity>
when preserved and already at lengths of
<quantity id="4CF90B9D0242FF8923B1FD5FCAFF13B2" box="[133,233,674,701]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="11" pageNumber="104" unit="mm" value="8.5" valueMax="10.0" valueMin="7.0">710 mm</quantity>
live specimens show a well-developed reproductive system. The molecular differences between
<taxonomicName id="4C01DDFB0242FF892267FD16CBDD120B" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[339,459,746,772]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF892267FD16CBDD120B" box="[339,459,746,772]" italics="true" pageId="11" pageNumber="104">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF8922E1FD17C83B120B" box="[469,557,746,772]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="4C01DDFB0242FF892356FCF2CADA1227" box="[98,204,782,808]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0242FF892356FCF2CADA1227" box="[98,204,782,808]" italics="true" pageId="11" pageNumber="104">D. kalikal</emphasis>
</taxonomicName>
areas follows. Regarding the COI marker, the maximal intragroup distance within
<taxonomicName id="4C01DDFB0242FF892384FCABCB02127F" box="[176,276,854,880]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0242FF892384FCABCB02127F" box="[176,276,854,880]" italics="true" pageId="11" pageNumber="104">D.kalikal</emphasis>
</taxonomicName>
is 1.74% andwithin
<taxonomicName id="4C01DDFB0242FF8922DBFCABC877127F" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[495,609,854,880]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF8922DBFCABC877127F" box="[495,609,854,880]" italics="true" pageId="11" pageNumber="104">D.yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF892356FC87CAA2129B" box="[98,180,890,916]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
it is 0.85% (mean intragroupdistances are 0.80% and 0.39%). The mean intergroup distance between
<taxonomicName id="4C01DDFB0242FF89220EFC3FCBB312D4" box="[314,421,961,987]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0242FF89220EFC3FCBB312D4" box="[314,421,961,987]" italics="true" pageId="11" pageNumber="104">D. kalikal</emphasis>
</taxonomicName>
and
<taxonomicName id="4C01DDFB0242FF8922DCFC3FC87712D4" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[488,609,961,987]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF8922DCFC3FC87712D4" box="[488,609,961,987]" italics="true" pageId="11" pageNumber="104">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF892356FC1BCAAE150F" box="[98,184,998,1024]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
groups is 2.1% (Appendix,
<tableCitation id="C68393C30242FF8922C6FC18C84112F0" box="[498,599,997,1023]" captionStart="TABLE A" captionStartId="59.[97,152,450,476]" captionTargetBox="[97,1660,496,1460]" captionTargetPageId="59" captionText="TABLE A2 Mean intragroup (highlighted in bold) and intergroup genetic distances (%) for COI marker in species of Dendronotus, Pseudobornella, and Cabangus gen. nov" httpUri="http://table.plazi.org/id/DF7EF6F00272FFB92355FE3FCC6B10D3" pageId="11" pageNumber="104" tableUuid="DF7EF6F00272FFB92355FE3FCC6B10D3">table A2</tableCitation>
). Thus, intragroup distances within
<taxonomicName id="4C01DDFB0242FF8922DFFBF7C874152C" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[491,610,1033,1059]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yirargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF8922DFFBF7C874152C" box="[491,610,1033,1059]" italics="true" pageId="11" pageNumber="104">D. yirargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF892356FBD3CAA21547" box="[98,180,1070,1096]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
are smaller than the distance between
<taxonomicName id="4C01DDFB0242FF892356FBAFCACA1564" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[98,220,1105,1131]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yirargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF892356FBAFCACA1564" box="[98,220,1105,1131]" italics="true" pageId="11" pageNumber="104">D. yirargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF8923DCFBACCB541564" box="[232,322,1105,1131]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
and
<emphasis id="B9757A6A0242FF8922B1FBAFCBE01564" box="[389,502,1105,1131]" italics="true" pageId="11" pageNumber="104">
<taxonomicName id="4C01DDFB0242FF8922B1FBAFCBE51564" box="[389,499,1105,1131]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">D. kalikal</taxonomicName>
.
</emphasis>
Thus,
<taxonomicName id="4C01DDFB0242FF89217FFBAFCAAF1580" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF89217FFBAFCAAF1580" italics="true" pageId="11" pageNumber="104">D. yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF8923F1FB88CB0B1580" box="[197,285,1141,1167]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="4C01DDFB0242FF89226AFB8BCBDE1580" box="[350,456,1141,1167]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="kalikal">
<emphasis id="B9757A6A0242FF89226AFB8BCBDE1580" box="[350,456,1141,1167]" italics="true" pageId="11" pageNumber="104">D. kalikal</emphasis>
</taxonomicName>
demonstrate considerable differences in morphological, molecular and, to a very large degree, ontogenetic levels.
<taxonomicName id="4C01DDFB0242FF8923DEFB1DCBC215F5" authority="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov, 2021" authorityName="Korshunova &amp; Bakken &amp; GrØtan &amp; Johnson &amp; Lundin &amp; Martynov" authorityYear="2021" box="[234,468,1248,1274]" class="Gastropoda" family="Dendronotidae" genus="Dendronotus" kingdom="Animalia" order="Nudibranchia" pageId="11" pageNumber="104" phylum="Mollusca" rank="species" species="yrjargul" status="sp. nov.">
<emphasis id="B9757A6A0242FF8923DEFB1DCBC215F5" box="[234,468,1248,1274]" italics="true" pageId="11" pageNumber="104">Dendronotus yrjargul</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A246C7110242FF8922EEFB1CC83A15F4" box="[474,556,1249,1275]" pageId="11" pageNumber="104" rank="species">sp. nov.</taxonomicNameLabel>
thus represents a well-separated species, although possibly recently diverged, as indicated by the slight molecular divergence.
</paragraph>
</subSubSection>
</treatment>
</document>