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<document id="3E00FE543D4B72E1C526B146B2E93C3E" ID-DOI="10.5852/ejt.2022.845.1959" ID-GBIF-Dataset="7a13c253-8569-4fcf-af23-e294f27c5cad" ID-ISSN="2118-9773" ID-Zenodo-Dep="7258852" ID-ZooBank="214BF6A7-233B-47F6-8819-A1284093B0DB" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="admin" IM.materialsCitations_approvedBy="admin" IM.metadata_approvedBy="carolina" IM.tables_approvedBy="admin" IM.taxonomicNames_approvedBy="admin" IM.treatments_approvedBy="admin" checkinTime="1666888798175" checkinUser="felipe" docAuthor="Sagorny, Christina, Döhren, Jörn von, Rouse, Greg W. &amp; Tilic, Ekin" docDate="2022" docId="5F0F3852FFBBFFE5FDD2FD4EFE632C22" docLanguage="en" docName="ejt-845_132-174.pdf" docOrigin="European Journal of Taxonomy 845 (1)" docSource="http://dx.doi.org/10.5852/ejt.2022.845.1959" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Alvinonemertes claudiae Sagorny &amp; Döhren &amp; Rouse &amp; Tilic 2022, gen. et sp. nov." docType="treatment" docUuid="1BA9AE85-AB72-4736-9132-79796011C259" docUuidSource="ZooBank" docVersion="11" lastPageNumber="158" masterDocId="A336402AFFA2FFFFFFFBFFF5FFE3287B" masterDocTitle="Cutting the ribbon: bathyal Nemertea from seeps along the Costa Rica margin, with descriptions of 2 new genera and 9 new species" masterLastPageNumber="174" masterPageNumber="132" pageNumber="157" updateTime="1733268506726" updateUser="admin" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="F1B4903EB3A4A682F2332F3D2D29DC5B">Cutting the ribbon: bathyal Nemertea from seeps along the Costa Rica margin, with descriptions of 2 new genera and 9 new species</mods:title>
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<mods:namePart id="34298266C8DE5A1E408C7B174A116478">Sagorny, Christina</mods:namePart>
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<mods:affiliation id="10934DB543666B09EDCAEBA3EB0E8C33">Institute of Evolutionary Biology and Animal Ecology, Rheinische Friedrich-Wilhelms-Universität Bonn, An der Immenburg 1, 53121 Bonn, Germany.</mods:affiliation>
<mods:nameIdentifier id="3AB29097C3941E0B2DA2225B43ADF336" type="email">csagorny@evolution.uni-bonn.de</mods:nameIdentifier>
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<mods:namePart id="60A9974FF8D38341595DE4328E596CD7">Döhren, Jörn von</mods:namePart>
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<mods:affiliation id="5E2362317E64D81DF3A365CCBC832E04">Institute of Evolutionary Biology and Animal Ecology, Rheinische Friedrich-Wilhelms-Universität Bonn, An der Immenburg 1, 53121 Bonn, Germany.</mods:affiliation>
<mods:nameIdentifier id="49A03D6D0EF9451DD755FE22742AD8D9" type="email">jdoehren@evolution.uni-bonn.de</mods:nameIdentifier>
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<mods:namePart id="08CA667DB0D068C603BAE3B7FC0ABD97">Rouse, Greg W.</mods:namePart>
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<mods:affiliation id="B3F2825337C724CF78C8304F95022AB2">Scripps Institution of Oceanography, 9500 Gilman Drive, La Jolla, California 92093 - 0202, USA.</mods:affiliation>
<mods:nameIdentifier id="AE431037873BB7DC33BF2453388D3698" type="email">grouse@ucsd.edu</mods:nameIdentifier>
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<mods:namePart id="D8D9D757610EAE34FFC1C65A0B1ED796">Tilic, Ekin</mods:namePart>
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<mods:affiliation id="D389EEA722B2E1325EE06EBD4B9EA298">Institute of Evolutionary Biology and Animal Ecology, Rheinische Friedrich-Wilhelms-Universität Bonn, An der Immenburg 1, 53121 Bonn, Germany. &amp; Scripps Institution of Oceanography, 9500 Gilman Drive, La Jolla, California 92093 - 0202, USA.</mods:affiliation>
<mods:nameIdentifier id="97FE5F8EC27D18D41C31FC62F760C811" type="email">etilic@evolution.uni-bonn.de</mods:nameIdentifier>
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<mods:title id="F7D17BAB62E15035394593142B4BB69F">European Journal of Taxonomy</mods:title>
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<mods:date id="3340D55CB7658098D3B920AC2F9FF3D3">2022</mods:date>
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<mods:number id="800170501DF4116A094C9B9D02F073D6">2022-10-27</mods:number>
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<treatment id="5F0F3852FFBBFFE5FDD2FD4EFE632C22" ID-DOI="http://doi.org/10.5281/zenodo.7258844" ID-GBIF-Taxon="203712377" ID-Zenodo-Dep="7258844" LSID="urn:lsid:zoobank.org:act:1BA9AE85-AB72-4736-9132-79796011C259" httpUri="http://treatment.plazi.org/id/5F0F3852FFBBFFE5FDD2FD4EFE632C22" lastPageId="26" lastPageNumber="158" pageId="25" pageNumber="157" scope_class="Hoplonemertea" scope_infraOrder="Oerstediina" scope_order="Monostilifera" scope_subOrder="Eumonostilifera">
<subSubSection id="9FBCDACFFFBBFFE6FDD2FD4EFBE82AAD" box="[553,1035,699,726]" pageId="25" pageNumber="157" type="nomenclature">
<paragraph id="D7198944FFBBFFE6FDD2FD4EFBE82AAD" blockId="25.[375,1213,699,796]" box="[553,1035,699,726]" pageId="25" pageNumber="157">
<heading id="8C513E28FFBBFFE6FDD2FD4EFBE82AAD" box="[553,1035,699,726]" centered="true" fontSize="11" level="2" pageId="25" pageNumber="157" reason="2">
<taxonomicName id="10A6F2C7FFBBFFE6FDD2FD4EFCB72AAD" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[553,852,699,726]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="25" pageNumber="157" phylum="Nemertea" rank="species" species="claudiae" status="gen. et sp. nov.">
<emphasis id="E5D25556FFBBFFE6FDD2FD4EFCB72AAD" bold="true" box="[553,852,699,726]" italics="true" pageId="25" pageNumber="157">Alvinonemertes claudiae</emphasis>
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<taxonomicNameLabel id="FEE1E82DFFBBFFE6FCA0FD49FBE82AAD" box="[859,1035,700,726]" pageId="25" pageNumber="157" rank="species">gen. et sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
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<subSubSection id="9FBCDACFFFBBFFE6FE8CFD2AFC982B67" pageId="25" pageNumber="157" type="description">
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urn:lsid:zoobank.org:act:
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</paragraph>
<paragraph id="D7198944FFBBFFE6FD43FCF7FC982B67" blockId="25.[375,1213,699,796]" box="[696,891,770,796]" pageId="25" pageNumber="157">
<figureCitation id="4F9D95C1FFBBFFE6FD43FCF7FCFB2B67" box="[696,792,770,796]" captionStart="Fig" captionStartId="18.[189,232,1454,1480]" captionTargetBox="[189,1398,265,1401]" captionTargetId="figure-11@18.[189,1398,265,1401]" captionTargetPageId="18" captionText="Fig. 8. Live images of eumonostiliferous hoplonemerteans collected along the Costa Rica margin and the NE Pacific. A. Chernyshevia escarpiaphila sp. nov., paratype (SIO-BIC N112). B. Chernyshevia escarpiaphila sp. nov., paratype (SIO-BIC N266). C. Octocoral Paragorgia sp. (SIO-BIC Co3054) with several specimens of Alvinonemertes dariae sp. nov., holotype (arrows; ex SIO-BIC N262). D. Alvinonemertesdariaesp.nov.,holotype(exSIO-BICN262).E.Antipathariancoral(SIO-BICCo3031) with specimens of Alvinonemertes dagmarae sp. nov., holotype (SIO-BIC N260). F. Alvinonemertes christianeae sp. nov., holotype (SIO-BIC N253). G. Alvinonemertes claudiae sp. nov., holotype (ex SIO-BIC N231). H. Alvinonemertes tatjanae sp. nov., holotype (SIO-BIC N119). I. Eumonostilifera (SIO-BIC N259). J–L. Tetrastemma sundbergi sp. nov., holotype (SIO-BIC N256) whole animal (J), dorsal view of head (K), and ventral view of head (L). M. Tetrastemma polyakovae sp. nov. (MZUCR Nemertea Collection MZUCR-101-01).N. Tetrastemma polyakovae sp. nov., holotype (SIO-BIC N258), with everted proboscis. O. Eumonostilifera (SIO-BIC N109)." figureDoi="http://doi.org/10.5281/zenodo.7258872" httpUri="https://zenodo.org/record/7258872/files/figure.png" pageId="25" pageNumber="157">Figs 8G</figureCitation>
,
<figureCitation id="4F9D95C1FFBBFFE6FCDEFCF7FC982B67" box="[805,891,770,796]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="25" pageNumber="157">10H–N</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="9FBCDACFFFBBFFE6FF46FCB6FE242B8D" pageId="25" pageNumber="157" type="diagnosis">
<paragraph id="D7198944FFBBFFE6FF46FCB6FED52B26" blockId="25.[189,310,835,861]" box="[189,310,835,861]" pageId="25" pageNumber="157">
<heading id="8C513E28FFBBFFE6FF46FCB6FED52B26" bold="true" box="[189,310,835,861]" fontSize="11" level="3" pageId="25" pageNumber="157" reason="3">
<emphasis id="E5D25556FFBBFFE6FF46FCB6FED52B26" bold="true" box="[189,310,835,861]" pageId="25" pageNumber="157">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF46FC87FE242B8D" blockId="25.[189,1399,882,1014]" pageId="25" pageNumber="157">
<taxonomicName id="10A6F2C7FFBBFFE6FF46FC87FE032BF7" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[189,480,882,908]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="25" pageNumber="157" phylum="Nemertea" rank="species" species="claudiae" status="gen. et sp. nov.">
<emphasis id="E5D25556FFBBFFE6FF46FC87FE032BF7" box="[189,480,882,908]" italics="true" pageId="25" pageNumber="157">Alvinonemertes claudiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FEE1E82DFFBBFFE6FE13FC86FD792BF6" box="[488,666,883,909]" pageId="25" pageNumber="157" rank="species">gen. et sp. nov.</taxonomicNameLabel>
can be attributed to the genus
<taxonomicName id="10A6F2C7FFBBFFE6FBF8FC87FB5A2BF7" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[1027,1209,882,908]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="25" pageNumber="157" phylum="Nemertea" rank="genus" status="gen. nov.">
<emphasis id="E5D25556FFBBFFE6FBF8FC87FB5A2BF7" box="[1027,1209,882,908]" italics="true" pageId="25" pageNumber="157">Alvinonemertes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FEE1E82DFFBBFFE6FB3AFC86FACF2BF6" box="[1217,1324,883,909]" pageId="25" pageNumber="157" rank="genus">gen. nov.</taxonomicNameLabel>
based on molecular data. It differs from all other species in the genus by its very translucent body that is pale yellowish. It can be differentiated from
<taxonomicName id="10A6F2C7FFBBFFE6FD5AFC4CFCF22BA9" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[673,785,952,979]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="25" pageNumber="157" phylum="Nemertea" rank="species" species="dariae" status="gen. et sp. nov.">
<emphasis id="E5D25556FFBBFFE6FD5AFC4CFCF22BA9" box="[673,785,952,979]" italics="true" pageId="25" pageNumber="157">A. dariae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FEE1E82DFFBBFFE6FCE0FC4CFC372BA8" box="[795,980,953,979]" pageId="25" pageNumber="157" rank="species">gen. et sp. nov.</taxonomicNameLabel>
by the characteristics given in the diagnosis of
<taxonomicName id="10A6F2C7FFBBFFE6FEA8FC29FE232B8D" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[339,448,988,1014]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="25" pageNumber="157" phylum="Nemertea" rank="species" species="dariae">
<emphasis id="E5D25556FFBBFFE6FEA8FC29FE232B8D" box="[339,448,988,1014]" italics="true" pageId="25" pageNumber="157">A. dariae</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="9FBCDACFFFBBFFE6FF46FBE8FC0C2CD7" pageId="25" pageNumber="157" type="etymology">
<paragraph id="D7198944FFBBFFE6FF46FBE8FEA72C4C" blockId="25.[189,324,1053,1079]" box="[189,324,1053,1079]" pageId="25" pageNumber="157">
<heading id="8C513E28FFBBFFE6FF46FBE8FEA72C4C" bold="true" box="[189,324,1053,1079]" fontSize="11" level="3" pageId="25" pageNumber="157" reason="3">
<emphasis id="E5D25556FFBBFFE6FF46FBE8FEA72C4C" bold="true" box="[189,324,1053,1079]" pageId="25" pageNumber="157">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF46FBB9FC0C2CD7" blockId="25.[189,1399,1099,1197]" pageId="25" pageNumber="157">For Claudia Müller, lab technician at the Institute of Evolutionary Biology, University of Bonn. Acknowledging her support in the immunohistology lab over many years and also in recognition of her devotion to the care of our live annelid and nemertean worm cultures.</paragraph>
</subSubSection>
<subSubSection id="9FBCDACFFFBBFFE6FF46FB26FBB92EC2" pageId="25" pageNumber="157" type="materials_examined">
<paragraph id="D7198944FFBBFFE6FF46FB26FE492C96" blockId="25.[189,426,1235,1261]" box="[189,426,1235,1261]" pageId="25" pageNumber="157">
<heading id="8C513E28FFBBFFE6FF46FB26FE492C96" bold="true" box="[189,426,1235,1261]" fontSize="11" level="3" pageId="25" pageNumber="157" reason="3">
<emphasis id="E5D25556FFBBFFE6FF46FB26FE492C96" bold="true" box="[189,426,1235,1261]" pageId="25" pageNumber="157">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF11FAF7FEBF2D67" blockId="25.[188,1399,1282,1449]" box="[234,348,1282,1308]" pageId="25" pageNumber="157">
<emphasis id="E5D25556FFBBFFE6FF11FAF7FEBF2D67" bold="true" box="[234,348,1282,1308]" pageId="25" pageNumber="157">
<typeStatus id="081D37E6FFBBFFE6FF11FAF7FEBF2D67" box="[234,348,1282,1308]" pageId="25" pageNumber="157" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF46FAD0FD852DD2" blockId="25.[188,1399,1282,1449]" pageId="25" pageNumber="157">
<materialsCitation id="67CE8319FFBBFFE6FF46FAD0FD852DD2" ID-GBIF-Occurrence="3948783332" collectingDate="2016-07-31" collectorName="Greg Rouse" elevation="2250" latitude="44.659" location="hydrothermal vents at South Cleft" longLatPrecision="67" longitude="-130.364" municipality="Juan de Fuca Ridge" pageId="25" pageNumber="157" specimenCode="SIO-BIC N283, SIO-BIC N231" specimenCount="1" specimenCount-male="1" typeStatus="holotype">
NORTHEASTERN PACIFIC OCEAN •
<specimenCount id="C1A042CDFFBBFFE6FD4FFAD3FD292D3B" box="[692,714,1318,1344]" pageId="25" pageNumber="157" type="male">♂</specimenCount>
(fixed in formaldehyde and prepared as 15 slides with transverse sections, see cybertype);
<location id="D279DF9FFFBBFFE6FD98FABDFC172D19" LSID="urn:lsid:plazi:treatment:5F0F3852FFBBFFE5FDD2FD4EFE632C22:D279DF9FFFBBFFE6FD98FABDFC172D19" box="[611,1012,1352,1379]" latitude="44.659" longLatPrecision="67" longitude="-130.364" municipality="Juan de Fuca Ridge" name="hydrothermal vents at South Cleft" pageId="25" pageNumber="157">hydrothermal vents at South Cleft</location>
,
<collectingMunicipality id="377D133EFFBBFFE6FC04FABCFB092D19" box="[1023,1258,1352,1379]" pageId="25" pageNumber="157">Juan de Fuca Ridge</collectingMunicipality>
;
<geoCoordinate id="B292EF83FFBBFFE6FB0DFABDFA912D18" box="[1270,1394,1352,1379]" degrees="44.659" direction="north" orientation="latitude" pageId="25" pageNumber="157" precision="55" value="44.659">44.659° N</geoCoordinate>
,
<geoCoordinate id="B292EF83FFBBFFE6FF46FA9EFEAF2DFD" box="[189,332,1387,1414]" degrees="130.364" direction="west" orientation="longitude" pageId="25" pageNumber="157" precision="55" value="-130.364">130.364° W</geoCoordinate>
; depth ca
<quantity id="105E24A1FFBBFFE6FE45FA9EFDFA2DFD" box="[446,537,1387,1414]" metricMagnitude="3" metricUnit="m" metricValue="2.25" pageId="25" pageNumber="157" unit="m" value="2250.0">
<elevation id="5C8B6E77FFBBFFE6FE45FA9EFDFA2DFD" box="[446,537,1387,1414]" metricMagnitude="3" metricUnit="m" metricValue="2.25" pageId="25" pageNumber="157" unit="m" value="2250.0">2250 m</elevation>
</quantity>
;
<date id="A318AF84FFBBFFE6FDDFFA99FD552DFE" box="[548,694,1387,1414]" pageId="25" pageNumber="157" value="2016-07-31">
<collectingDate id="B35C566CFFBBFFE6FDDFFA99FD552DFE" box="[548,694,1387,1414]" pageId="25" pageNumber="157" value="2016-07-31">31 Jul. 2016</collectingDate>
</date>
;
<collectorName id="7A53EC92FFBBFFE6FD3AFA99FCA82DFD" box="[705,843,1388,1414]" pageId="25" pageNumber="157">Greg Rouse</collectorName>
leg.; collected by ROV
<emphasis id="E5D25556FFBBFFE6FB9BFA99FB162DFE" box="[1120,1269,1387,1413]" italics="true" pageId="25" pageNumber="157">Doc Ricketts</emphasis>
, Dive 875;
<specimenCode id="8700213FFFBBFFE6FF47FA7AFE8C2DD2" box="[188,367,1423,1449]" pageId="25" pageNumber="157">SIO-BIC N283</specimenCode>
(ex
<specimenCode id="8700213FFFBBFFE6FE59FA7AFDBA2DD2" box="[418,601,1423,1449]" pageId="25" pageNumber="157">SIO-BIC N231</specimenCode>
).
</materialsCitation>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF11FA25FE842D91" blockId="25.[189,1398,1488,1621]" box="[234,359,1488,1514]" pageId="25" pageNumber="157">
<emphasis id="E5D25556FFBBFFE6FF11FA25FE842D91" bold="true" box="[234,359,1488,1514]" pageId="25" pageNumber="157">
<typeStatus id="081D37E6FFBBFFE6FF11FA25FE842D91" box="[234,359,1488,1514]" pageId="25" pageNumber="157" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF46FA01FCFB2E2F" blockId="25.[189,1398,1488,1621]" pageId="25" pageNumber="157">
<materialsCitation id="67CE8319FFBBFFE6FF46FA01FD352E4A" ID-GBIF-Occurrence="3948783304" collectingDate="2016-07-31" collectorName="Greg Rouse" elevation="2250" latitude="44.659" longLatPrecision="67" longitude="-130.364" municipality="Juan de Fuca Ridge" pageId="25" pageNumber="157" specimenCode="SIO-BIC N284, SIO-BIC N231" specimenCount="1" typeStatus="paratype">
NORTHEASTERN PACIFIC OCEAN •
<specimenCount id="C1A042CDFFBBFFE6FD52FA01FD1E2E75" box="[681,765,1524,1550]" pageId="25" pageNumber="157" type="generic">1 spec.</specimenCount>
(fixed in formaldehyde); same collection data as for holotype;
<specimenCode id="8700213FFFBBFFE6FEC8F9E2FE052E4A" box="[307,486,1559,1585]" pageId="25" pageNumber="157">SIO-BIC N284</specimenCode>
(ex
<specimenCode id="8700213FFFBBFFE6FDE1F9E2FD2D2E4A" box="[538,718,1559,1585]" pageId="25" pageNumber="157">SIO-BIC N231</specimenCode>
)
</materialsCitation>
•
<materialsCitation id="67CE8319FFBBFFE6FD0BF9E2FCF62E2F" ID-GBIF-Occurrence="3948783333" accessionNumber="ON036050, ON021868" collectingDate="2016-07-31" collectorName="Greg Rouse" elevation="2250" latitude="44.659" longLatPrecision="67" longitude="-130.364" municipality="Juan de Fuca Ridge" pageId="25" pageNumber="157" specimenCode="SIO-BIC N231" specimenCount="3" typeStatus="paratype">
<specimenCount id="C1A042CDFFBBFFE6FD0BF9E2FCA52E4A" box="[752,838,1559,1585]" pageId="25" pageNumber="157">3 specs</specimenCount>
(ethanol); same collection data as for holotype; GenBank:
<accessionNumber id="C8F514A7FFBBFFE6FEC0F9CFFE222E2E" box="[315,449,1594,1621]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/ON036050" pageId="25" pageNumber="157">ON036050</accessionNumber>
,
<accessionNumber id="C8F514A7FFBBFFE6FE37F9CFFDB02E2F" box="[460,595,1594,1620]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/ON021868" pageId="25" pageNumber="157">ON021868</accessionNumber>
;
<specimenCode id="8700213FFFBBFFE6FDA5F9CFFCF62E2F" box="[606,789,1594,1620]" pageId="25" pageNumber="157">SIO-BIC N231</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="D7198944FFBBFFE6FF11F98EFBB92EC2" blockId="25.[189,1114,1659,1721]" pageId="25" pageNumber="157">
<materialsCitation id="67CE8319FFBBFFE6FF11F98EFBB92EC2" ID-GBIF-Occurrence="3948783325" pageId="25" pageNumber="157" specimenCount="1" typeStatus="holotype">
<emphasis id="E5D25556FFBBFFE6FF11F98EFE8D2EEE" bold="true" box="[234,366,1659,1685]" pageId="25" pageNumber="157">Cybertype</emphasis>
Images of serial sections of holotype: https://doi.org/10.5281/zenodo.5346520.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="9FBCDACFFFBBFFE5FF46F915FDFA2A97" lastPageId="26" lastPageNumber="158" pageId="25" pageNumber="157" type="description">
<paragraph id="D7198944FFBBFFE6FF46F915FEAD2E81" blockId="25.[189,334,1760,1786]" box="[189,334,1760,1786]" pageId="25" pageNumber="157">
<heading id="8C513E28FFBBFFE6FF46F915FEAD2E81" bold="true" box="[189,334,1760,1786]" fontSize="11" level="3" pageId="25" pageNumber="157" reason="3">
<emphasis id="E5D25556FFBBFFE6FF46F915FEAD2E81" bold="true" box="[189,334,1760,1786]" pageId="25" pageNumber="157">Description</emphasis>
</heading>
</paragraph>
<paragraph id="D7198944FFBBFFE6FF46F8FBFB9F2F14" blockId="25.[188,1399,1806,1903]" pageId="25" pageNumber="157">
Specimens
<quantity id="105E24A1FFBBFFE6FEB8F8FBFE652F52" box="[323,390,1806,1833]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="25" pageNumber="157" unit="mm" value="6.0">6 mm</quantity>
long and
<quantity id="105E24A1FFBBFFE6FE02F8FAFDB12F52" box="[505,594,1807,1833]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="25" pageNumber="157" unit="mm" value="0.7">0.7 mm</quantity>
in diameter. Body cylindrical. One pair of cephalic furrows, forming the shape of an anteriorly open V. Head not demarcated from rest of body, rounded. Body translucent. Internal organs, such as gut and gonads, well visible through body wall (
<figureCitation id="4F9D95C1FFBBFFE6FBEAF8A0FB8C2F14" box="[1041,1135,1877,1903]" captionStart="Fig" captionStartId="18.[189,232,1454,1480]" captionTargetBox="[189,1398,265,1401]" captionTargetId="figure-11@18.[189,1398,265,1401]" captionTargetPageId="18" captionText="Fig. 8. Live images of eumonostiliferous hoplonemerteans collected along the Costa Rica margin and the NE Pacific. A. Chernyshevia escarpiaphila sp. nov., paratype (SIO-BIC N112). B. Chernyshevia escarpiaphila sp. nov., paratype (SIO-BIC N266). C. Octocoral Paragorgia sp. (SIO-BIC Co3054) with several specimens of Alvinonemertes dariae sp. nov., holotype (arrows; ex SIO-BIC N262). D. Alvinonemertesdariaesp.nov.,holotype(exSIO-BICN262).E.Antipathariancoral(SIO-BICCo3031) with specimens of Alvinonemertes dagmarae sp. nov., holotype (SIO-BIC N260). F. Alvinonemertes christianeae sp. nov., holotype (SIO-BIC N253). G. Alvinonemertes claudiae sp. nov., holotype (ex SIO-BIC N231). H. Alvinonemertes tatjanae sp. nov., holotype (SIO-BIC N119). I. Eumonostilifera (SIO-BIC N259). J–L. Tetrastemma sundbergi sp. nov., holotype (SIO-BIC N256) whole animal (J), dorsal view of head (K), and ventral view of head (L). M. Tetrastemma polyakovae sp. nov. (MZUCR Nemertea Collection MZUCR-101-01).N. Tetrastemma polyakovae sp. nov., holotype (SIO-BIC N258), with everted proboscis. O. Eumonostilifera (SIO-BIC N109)." figureDoi="http://doi.org/10.5281/zenodo.7258872" httpUri="https://zenodo.org/record/7258872/files/figure.png" pageId="25" pageNumber="157">Fig. 8G</figureCitation>
).
</paragraph>
<paragraph id="D7198944FFBBFFE5FF46F863FDFA2A97" blockId="25.[189,1398,1942,2003]" lastBlockId="26.[188,1401,265,748]" lastPageId="26" lastPageNumber="158" pageId="25" pageNumber="157">
Epidermis in foregut region 10 µm thick. Body wall composed of two muscle layers (outer circular, inner longitudinal). Esophagus opening subterminal, ventral; stomach without pouches; pylorus longer than stomach; intestinal cecum with ventral unpaired anterior pouch under stomach and one pair of lateral pouches (
<figureCitation id="4F9D95C1FFB8FFE5FE79FED9FE12293D" box="[386,497,300,326]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10K</figureCitation>
); intestine with lateral diverticula. Precerebral septum closed. Rhynchocoel wall with very thin outer circular and inner longitudinal muscle layers, rhynchocoel almost extending to posterior end of body. Proboscis with outer circular, middle longitudinal, and inner circular muscle layers. Proboscis with 10 proboscis nerves; central stylet and two accessory stylet pouches present, four to five accessory stylets per pouch (
<figureCitation id="4F9D95C1FFB8FFE5FD9FFE4CFD1F29A8" box="[612,764,441,467]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10M–N</figureCitation>
). Stylet basis circular in cross section. Proboscis pore subterminal, ventral (
<figureCitation id="4F9D95C1FFB8FFE5FE42FE29FDC4298D" box="[441,551,476,502]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10H</figureCitation>
). Nervous system with thin outer neurilemma, without neurochord cells (
<figureCitation id="4F9D95C1FFB8FFE5FF3DFE0AFEC82A62" box="[198,299,511,537]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10J</figureCitation>
); dorsal commissure short, ventral commissure broad. Lateral nerve cords without accessory nerve (
<figureCitation id="4F9D95C1FFB8FFE5FEEAFDD7FE632A46" box="[273,384,546,573]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10K</figureCitation>
). Cerebral ganglia and lateral nerves in longitudinal muscle layer (
<figureCitation id="4F9D95C1FFB8FFE5FB64FDD7FACA2A46" box="[1183,1321,546,573]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10J–K</figureCitation>
). Eyes absent. Cerebral organs less than half the size of brain lobes, close in front of brain. Paired cerebral canal simple, unforked, opens ventro-laterally into cephalic furrows (
<figureCitation id="4F9D95C1FFB8FFE5FC06FD9CFB822AF8" box="[1021,1121,617,643]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10I</figureCitation>
). Apical organ present, unpaired; cephalic gland extending to brain (
<figureCitation id="4F9D95C1FFB8FFE5FD25FD79FC882ADD" box="[734,875,652,678]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10H, J</figureCitation>
). Circulatory system consisting of cephalic loop, mid-dorsal vessel not forming vascular plug ((
<figureCitation id="4F9D95C1FFB8FFE5FCE6FD5AFC652AB2" box="[797,902,687,713]" captionStart="Fig" captionStartId="22.[189,232,1504,1530]" captionTargetBox="[279,1309,266,1465]" captionTargetId="figure-11@22.[279,1309,265,1465]" captionTargetPageId="22" captionText="Fig. 10. A–G. Alvinonemertes dariae gen. et sp. nov., holotype (SIO-BIC N281), transverse histological sections. H–N. Alvinonemertes claudiae gen. et sp. nov., holotype (SIO-BIC N283), transverse histological sections. A. Anterior tip of head with proboscis pore. B. Brain region. C. Anterior brain region with cerebral canal (arrowhead). D. Stomach region with excretory canal. E. Posterior body region with testes. F. Lateral nerve cord with accessory nerve in stomach region. G. Proboscis armature, accessory stylet pouches with accessory stylets. H. Anterior tip of head with proboscis pore. I. Region anterior to cerebral ganglia with well-visible cerebral canal (arrowhead). J. Anterior brain region. K. Pyloric region. L. Proboscis and mid-dorsal vessel in stomach region. M. Proboscis armature, circular basis of central stylet. N. Proboscis armature, accessory stylet pouches with accessory stylets. Abbreviations: an = accessory nerve; ap = accessory stylet pouch; as = accessory stylet; bl = blood vessel; br = brain; cg = cephalic glands; cm = circular muscle layer; co = cerebral organ; dl = dorsal brain lobe; ec = excretory canal; gd = gonoduct; i = intestine; ic = intestinal cecum; ip = intestinal pouches; lm = longitudinal muscle layer; ln = lateral nerve cord; mv = mid-dorsal vessel; p = proboscis; pe = proboscis epithelium; pp = proboscis pore; py = pylorus; rc = rhynchocoel; rd = rhynchodaeum; sb = stylet basis; st = stomach; t = testis; vl = ventral brain lobe. Scale bars: A–G = 100 µm; H–N = 30 µm." figureDoi="http://doi.org/10.5281/zenodo.7258876" httpUri="https://zenodo.org/record/7258876/files/figure.png" pageId="26" pageNumber="158">Fig. 10L</figureCitation>
). Testes sac like, alternating with intestinal diverticula, situated ventrally.
</paragraph>
</subSubSection>
<subSubSection id="9FBCDACFFFB8FFE5FF46FCE1FB542BD8" pageId="26" pageNumber="158" type="biology_ecology">
<paragraph id="D7198944FFB8FFE5FF46FCE1FEC32B55" blockId="26.[189,288,788,814]" box="[189,288,788,814]" pageId="26" pageNumber="158">
<heading id="8C513E28FFB8FFE5FF46FCE1FEC32B55" bold="true" box="[189,288,788,814]" fontSize="11" level="3" pageId="26" pageNumber="158" reason="3">
<emphasis id="E5D25556FFB8FFE5FF46FCE1FEC32B55" bold="true" box="[189,288,788,814]" pageId="26" pageNumber="158">Ecology</emphasis>
</heading>
</paragraph>
<paragraph id="D7198944FFB8FFE5FF46FCB7FB542BD8" blockId="26.[189,1398,834,932]" pageId="26" pageNumber="158">
Associated with hydrothermal vents, alongside other vent fauna such as the annelids
<taxonomicName id="10A6F2C7FFB8FFE5FB61FCB7FDC02BFB" authority="(Pettibone, 1988)" baseAuthorityName="Pettibone" baseAuthorityYear="1988" class="Polychaeta" family="Polynoidae" genus="Branchinotogluma" kingdom="Animalia" order="Phyllodocida" pageId="26" pageNumber="158" phylum="Annelida" rank="species" species="tunnicliffeae">
<emphasis id="E5D25556FFB8FFE5FB61FCB7FEB32BFB" italics="true" pageId="26" pageNumber="158">Branchinotogluma tunnicliffeae</emphasis>
(Pettibone, 1988)
</taxonomicName>
(e.g., SIO-BIC A7716),
<taxonomicName id="10A6F2C7FFB8FFE5FCB3FC93FF1B2BD8" authority="Desbruyeres &amp; Laubier, 1993" authorityName="Desbruyeres &amp; Laubier" authorityYear="1993" class="Polychaeta" family="Alvinellidae" genus="Paralvinella" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="158" phylum="Annelida" rank="species" species="sulfincola">
<emphasis id="E5D25556FFB8FFE5FCB3FC93FBB62BFB" box="[840,1109,870,896]" italics="true" pageId="26" pageNumber="158">Paralvinella sulfincola</emphasis>
Desbruyères &amp; Laubier, 1993
</taxonomicName>
(e.g., SIO-BIC A7724) and
<taxonomicName id="10A6F2C7FFB8FFE5FDBFFC7CFC7F2BDF" authority="Jones, 1985" authorityName="Jones" authorityYear="1985" box="[580,924,905,932]" class="Polychaeta" family="Siboglinidae" genus="Ridgeia" kingdom="Animalia" order="Sabellida" pageId="26" pageNumber="158" phylum="Annelida" rank="species" species="piscesae">
<emphasis id="E5D25556FFB8FFE5FDBFFC7CFCE92BD8" box="[580,778,905,931]" italics="true" pageId="26" pageNumber="158">Ridgeia piscesae</emphasis>
Jones, 1985
</taxonomicName>
(e.g., SIO-BIC A7719).
</paragraph>
</subSubSection>
<subSubSection id="9FBCDACFFFB8FFE5FF46FC3FFE632C22" pageId="26" pageNumber="158" type="discussion">
<paragraph id="D7198944FFB8FFE5FF46FC3FFECC2B9F" blockId="26.[189,303,970,996]" box="[189,303,970,996]" pageId="26" pageNumber="158">
<heading id="8C513E28FFB8FFE5FF46FC3FFECC2B9F" bold="true" box="[189,303,970,996]" fontSize="11" level="3" pageId="26" pageNumber="158" reason="3">
<emphasis id="E5D25556FFB8FFE5FF46FC3FFECC2B9F" bold="true" box="[189,303,970,996]" pageId="26" pageNumber="158">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="D7198944FFB8FFE5FF46FC0CFE632C22" blockId="26.[188,1399,1017,1114]" pageId="26" pageNumber="158">
The new species is attributed to the genus
<taxonomicName id="10A6F2C7FFB8FFE5FD52FC0CFCBC2C68" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[681,863,1017,1043]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="26" pageNumber="158" phylum="Nemertea" rank="genus" status="gen. nov.">
<emphasis id="E5D25556FFB8FFE5FD52FC0CFCBC2C68" box="[681,863,1017,1043]" italics="true" pageId="26" pageNumber="158">Alvinonemertes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FEE1E82DFFB8FFE5FC9CFC0CFC322C68" box="[871,977,1017,1043]" pageId="26" pageNumber="158" rank="genus">gen. nov.</taxonomicNameLabel>
based on the executed phylogenetic analyses. In the concatenated analysis,
<taxonomicName id="10A6F2C7FFB8FFE5FD6EFBE9FCFE2C4D" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[661,797,1052,1078]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="26" pageNumber="158" phylum="Nemertea" rank="species" species="claudiae" status="gen. et sp. nov.">
<emphasis id="E5D25556FFB8FFE5FD6EFBE9FCFE2C4D" box="[661,797,1052,1078]" italics="true" pageId="26" pageNumber="158">A. claudiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FEE1E82DFFB8FFE5FCDDFBE8FC3E2C4C" box="[806,989,1053,1079]" pageId="26" pageNumber="158" rank="species">gen. et sp. nov.</taxonomicNameLabel>
is sister to
<taxonomicName id="10A6F2C7FFB8FFE5FB90FBE9FAFC2C4D" authority="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic, 2022" authorityName="Sagorny &amp; Döhren &amp; Rouse &amp; Tilic" authorityYear="2022" box="[1131,1311,1052,1078]" class="Pilidiophora" family="Lineidae" genus="Alvinonemertes" kingdom="Animalia" order="Heteronemertea" pageId="26" pageNumber="158" phylum="Nemertea" rank="species" species="christianeae" status="gen. et sp. nov.">
<emphasis id="E5D25556FFB8FFE5FB90FBE9FAFC2C4D" box="[1131,1311,1052,1078]" italics="true" pageId="26" pageNumber="158">A. christianeae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FEE1E82DFFB8FFE5FADDFBE8FEF92C21" pageId="26" pageNumber="158" rank="species">gen. et sp. nov.</taxonomicNameLabel>
(
<figureCitation id="4F9D95C1FFB8FFE5FED2FBCAFE922C22" box="[297,369,1087,1113]" captionStart="Fig" captionStartId="16.[187,230,1818,1844]" captionTargetBox="[259,1337,273,1766]" captionTargetId="figure-12@16.[236,1349,266,1783]" captionTargetPageId="16" captionText="Fig. 7. Maximum likelihood (ML) tree for the monostiliferan supermatrix based on the concatenated four gene dataset (16S, COI, 18S, H3). Black circles indicate nodal support of 100/100/1.0; asterisks indicate nodal support of either 100/ or /1.0. Alternative branches found in the BI analysis are given as blue dotted lines. Sonnenemertes cantelli Chernyshev, Abukawa &amp; Kajihara, 2015 and Micrura callima Sundberg &amp; Gibson, 1995 were used for outgroup rooting. Specimens belonging to new species are given in bold. Specimen-ID, sampling locality, and depth (for deep-sea species) are provided." figureDoi="http://doi.org/10.5281/zenodo.7258870" httpUri="https://zenodo.org/record/7258870/files/figure.png" pageId="26" pageNumber="158">Fig. 7</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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