treatments-xml/data/03/EF/3A/03EF3A1F8A384C01FE872A15857D7073.xml
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<document id="92B97FD2D280F1D7CB8CBF6C7E2F600F" ID-CLB-Dataset="3305" ID-DOI="10.5852/ejt.2021.779.1579" ID-GBIF-Dataset="c66d7415-6743-496d-a518-e5fbd4b71a22" ID-ISSN="2118-9773" ID-Zenodo-Dep="5724311" ID-ZooBank="A60F479C-8055-4AC9-8F49-44311CA6EA0B" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1637760838361" checkinUser="felipe" docAuthor="Salazar-Vallejo, Sergio I., León-González, Jesús Angel De &amp; Conde-Vela, Víctor M." docDate="2021" docId="03EF3A1F8A384C01FE872A15857D7073" docLanguage="en" docName="ejt-779_1-70.pdf" docOrigin="European Journal of Taxonomy 779" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Nereis mezianei Salazar-Vallejo &amp; León-González &amp; Conde-Vela 2021, sp. nov." docType="treatment" docVersion="8" lastPageNumber="59" masterDocId="FFD642678A0C4C3BFC0F2C628041740A" masterDocTitle="Revision of the species confused with “ Nereis falsa ” de Quatrefages, 1866 (Annelida, Nereididae)" masterLastPageNumber="70" masterPageNumber="1" pageNumber="53" updateTime="1699469980804" updateUser="ExternalLinkService" 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="9F07CA13BA75065FB52824E37D7F05C3">Revision of the species confused with “ Nereis falsa ” de Quatrefages, 1866 (Annelida, Nereididae)</mods:title>
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<mods:namePart id="4CD0DC91E47C4761DD02AA1CEE38D568">Salazar-Vallejo, Sergio I.</mods:namePart>
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<mods:affiliation id="05CBF4A1452527A9BD59B1CA4E459A2A">El Colegio de la Frontera Sur, Departamento Sistemática y Ecología Acuática, Chetumal, Quintana Roo, Mexico.</mods:affiliation>
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<mods:namePart id="BD2CCF05FE010FE9A7D63A58FE4D398B">León-González, Jesús Angel De</mods:namePart>
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<mods:affiliation id="D7E3B49F2052090707D8D84775AB0EC3">Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, Laboratorio Biosistemática, San Nicolás de los Garza, N. L., Mexico.</mods:affiliation>
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<mods:namePart id="6E40553B219F69E13E4752B3A0C75307">Conde-Vela, Víctor M.</mods:namePart>
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<mods:affiliation id="47DFB5E951B43B4257447B4A5BA958AF">El Colegio de la Frontera Sur, Departamento Sistemática y Ecología Acuática, Chetumal, Quintana Roo, Mexico. &amp; Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, Laboratorio Biosistemática, San Nicolás de los Garza, N. L., Mexico.</mods:affiliation>
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<treatment id="03EF3A1F8A384C01FE872A15857D7073" ID-DOI="http://doi.org/10.5281/zenodo.5727420" ID-GBIF-Taxon="190703779" ID-Zenodo-Dep="5727420" LSID="urn:lsid:plazi:treatment:03EF3A1F8A384C01FE872A15857D7073" httpUri="http://treatment.plazi.org/id/03EF3A1F8A384C01FE872A15857D7073" lastPageId="58" lastPageNumber="59" pageId="52" pageNumber="53">
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<heading id="D0B13C658A384C0FFE872A1583EA7298" box="[648,939,1655,1682]" centered="true" fontSize="11" level="2" pageId="52" pageNumber="53" reason="2">
<taxonomicName id="4C46F08A8A384C0FFE872A15830B729B" ID-CoL="debdf330-e5f7-4961-82d2-fdf843dbf506" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[648,842,1655,1681]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="52" pageNumber="53" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A384C0FFE872A15830B729B" bold="true" box="[648,842,1655,1681]" italics="true" pageId="52" pageNumber="53">Nereis mezianei</emphasis>
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<taxonomicNameLabel id="A201EA608A384C0FFF5E2A1A83EA7298" box="[849,939,1656,1682]" pageId="52" pageNumber="53" rank="species">sp. nov.</taxonomicNameLabel>
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<paragraph id="8BF98B098A384C0FFEC62ADF832B72D2" blockId="52.[362,1226,1655,1752]" box="[713,874,1725,1752]" pageId="52" pageNumber="53">
<figureCitation id="137D978C8A384C0FFEC62ADF835572D2" box="[713,788,1725,1752]" captionStart="Fig" captionStartId="6.[188,231,1890,1916]" captionTargetBox="[193,1398,717,1860]" captionTargetId="figure-248@6.[189,1399,714,1863]" captionTargetPageId="6" captionText="Fig. 2. Nereis mezianei sp. nov., non-type juvenile (MNHN 372-45). A. Chaetiger 9, left parapodium, anterior view. B. Same, base of notopodial ligules. C. Same, base of ventral ligule. D. Chaetiger 25, left parapodium, posterior view. E. Same, dorsal ligule. F. Same, ventral ligule. G. Chaetiger 46, left parapodium, posterior view. H. Same, notopodial ligules. I. Same, ventral ligule." figureDoi="http://doi.org/10.5281/zenodo.5724317" httpUri="https://zenodo.org/record/5724317/files/figure.png" pageId="52" pageNumber="53">Figs 2</figureCitation>
,
<figureCitation id="137D978C8A384C0FFF2E2ADC832B72D2" box="[801,874,1726,1752]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="54.[189,232,1858,1884]" captionStartId-1="55.[189,232,1927,1953]" captionStartId-2="56.[189,232,1892,1918]" captionTargetBox-0="[191,1397,1068,1826]" captionTargetBox-1="[191,1394,591,1896]" captionTargetBox-2="[190,1398,1127,1864]" captionTargetId-0="figure-320@54.[189,1398,1066,1829]" captionTargetId-1="figure-188@55.[187,1400,586,1900]" captionTargetId-2="figure-345@56.[189,1398,1124,1865]" captionTargetPageId-0="54" captionTargetPageId-1="55" captionTargetPageId-2="56" captionText-0="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." captionText-1="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." captionText-2="Fig. 20. Nereis mezianei sp. nov., mature female (MNHN 372-T28). A. Dorsal view. B. Anterior region, dorsal view. Parapodia stained with Shirslastain-A. C. Chaetiger 2, right parapodium, anterior view (dorsal cirrus bent). D. Chaetiger 35, left parapodium, posterior view.E. Chaetiger 52, right parapodium, posterior view." figureDoi-0="http://doi.org/10.5281/zenodo.5724355" figureDoi-1="http://doi.org/10.5281/zenodo.5724357" figureDoi-2="http://doi.org/10.5281/zenodo.5724359" httpUri-0="https://zenodo.org/record/5724355/files/figure.png" httpUri-1="https://zenodo.org/record/5724357/files/figure.png" httpUri-2="https://zenodo.org/record/5724359/files/figure.png" pageId="52" pageNumber="53">1820</figureCitation>
</paragraph>
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<paragraph id="8BF98B098A384C0FFCB22B6583BB732B" blockId="52.[189,1018,1798,1825]" box="[189,1018,1798,1825]" pageId="52" pageNumber="53">
<treatmentCitationGroup id="AB56AC278A384C0FFCB22B6583BB732B" box="[189,1018,1798,1825]" pageId="52" pageNumber="53">
<taxonomicName id="4C46F08A8A384C0FFCB22B658108732A" ID-CoL="474LV" authorityName="sensu Linero-Arana &amp; Reyes-Vazquez" authorityYear="1979" box="[189,329,1798,1824]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="52" pageNumber="53" phylum="Annelida" rank="species" species="falsa">
<emphasis id="B932571B8A384C0FFCB22B658108732A" box="[189,329,1798,1824]" italics="true" pageId="52" pageNumber="53">Nereis falsa</emphasis>
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<treatmentCitation id="0AE7AD188A384C0FFD692B6482EB732A" author="Fauvel P. &amp; Rullier F." box="[358,682,1798,1825]" page="162" pageId="52" pageNumber="53" year="1959">
<bibRefCitation id="EFD7F6F88A384C0FFD692B6482EB732A" author="Fauvel P. &amp; Rullier F." box="[358,682,1798,1825]" pageId="52" pageNumber="53" pagination="477 - 533" refId="ref42233" refString="Fauvel P. &amp; Rullier F. 1959. Contribution a la faune des annelides polychetes du Senegal et de Mauritanie (premiere partie). Bulletin de l'Institut francais d'Afrique noire, serie A 21 (2): 477 - 533." type="journal article" year="1959">Fauvel &amp; Rullier 1959: 162</bibRefCitation>
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(non de Quatrefages, 1866).
</treatmentCitationGroup>
</paragraph>
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<subSubSection id="C35CD8828A384C0FFCB22B2D852A73D4" pageId="52" pageNumber="53" type="diagnosis">
<paragraph id="8BF98B098A384C0FFCB22B2D81777363" blockId="52.[189,310,1871,1897]" box="[189,310,1871,1897]" pageId="52" pageNumber="53">
<heading id="D0B13C658A384C0FFCB22B2D81777363" bold="true" box="[189,310,1871,1897]" fontSize="11" level="3" pageId="52" pageNumber="53" reason="3">
<emphasis id="B932571B8A384C0FFCB22B2D81777363" bold="true" box="[189,310,1871,1897]" pageId="52" pageNumber="53">Diagnosis</emphasis>
</heading>
</paragraph>
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<taxonomicName id="4C46F08A8A384C0FFCB22B1D81487392" authorityName="Linnaeus" authorityYear="1758" box="[189,265,1919,1944]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="52" pageNumber="53" phylum="Annelida" rank="genus">
<emphasis id="B932571B8A384C0FFCB22B1D81487392" box="[189,265,1919,1944]" italics="true" pageId="52" pageNumber="53">Nereis</emphasis>
</taxonomicName>
with posterior eyes partially covered by anterior margin of tentacular belt; tentacular belt 1.5× as long as first chaetiger; tentacular cirri long, reaching chaetigers 78; pharyngeal areas VIIVIII with 5 large paragnaths in a single row; posterior chatigers with dorsal and median ligules of similar width.
</paragraph>
</subSubSection>
<subSubSection id="C35CD8828A394C0EFCB22D6B82AE759D" pageId="53" pageNumber="54" type="etymology">
<paragraph id="8BF98B098A394C0EFCB22D6B81057529" blockId="53.[189,324,265,291]" box="[189,324,265,291]" pageId="53" pageNumber="54">
<heading id="D0B13C658A394C0EFCB22D6B81057529" bold="true" box="[189,324,265,291]" fontSize="11" level="3" pageId="53" pageNumber="54" reason="3">
<emphasis id="B932571B8A394C0EFCB22D6B81057529" bold="true" box="[189,324,265,291]" pageId="53" pageNumber="54">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BF98B098A394C0EFCB22D5582AE759D" blockId="53.[189,1399,311,408]" pageId="53" pageNumber="54">This species is named after Dr Tarik Meziane, curator of polychaetes at the Muséum national dhistoire naturelle, Paris, in recognition of his curatorial activities and especially as a means of gratitude for his long-standing support of our research activities.</paragraph>
</subSubSection>
<subSubSection id="C35CD8828A394C0EFCB22DA4841C7213" pageId="53" pageNumber="54" type="materials_examined">
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<heading id="D0B13C658A394C0EFCB22DA481EB75EA" bold="true" box="[189,426,454,480]" fontSize="11" level="3" pageId="53" pageNumber="54" reason="3">
<emphasis id="B932571B8A394C0EFCB22DA481EB75EA" bold="true" box="[189,426,454,480]" pageId="53" pageNumber="54">Material examined</emphasis>
</heading>
</paragraph>
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<materialsCitation id="3B2E81548A394C0EFCE52D97842A765F" ID-GBIF-Occurrence="3411820329" collectingDate="1956-05-16" collectionCode="MNHN" collectorName="R / V Calypso" country="Senegal" elevation="70" latitude="12.925" location="Senegambie" longLatPrecision="21" longitude="-17.55" pageId="53" pageNumber="54" specimenCode="MNHN 372-4" specimenCount="1" specimenCount-female="1" typeStatus="holotype">
<emphasis id="B932571B8A394C0EFCE52D97811D7605" bold="true" box="[234,348,501,527]" pageId="53" pageNumber="54">
<typeStatus id="54FD35AB8A394C0EFCE52D97811D7605" box="[234,348,501,527]" pageId="53" pageNumber="54" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="F351CB998A394C0EFCB22E7A81037638" box="[189,322,536,562]" name="Senegal" pageId="53" pageNumber="54">SENEGAL</collectingCountry>
• atokous
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(without posterior region);
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,
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W of Abene
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;
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,
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;
<collectorName id="26B3EEDF8A394C0EFD6B2E5981BD765F" box="[356,508,571,597]" pageId="53" pageNumber="54">
R/V
<taxonomicName id="4C46F08A8A394C0EFD932E5981BD765F" box="[412,508,571,597]" class="Liliopsida" family="Orchidaceae" genus="Calypso" kingdom="Plantae" order="Asparagales" pageId="53" pageNumber="54" phylum="Tracheophyta" rank="genus">
<emphasis id="B932571B8A394C0EFD932E5981BD765F" box="[412,508,571,597]" italics="true" pageId="53" pageNumber="54">Calypso</emphasis>
</taxonomicName>
</collectorName>
, stn 4; depth
<quantity id="4CBE26EC8A394C0EFE942E598347765C" box="[667,774,571,598]" metricMagnitude="1" metricUnit="m" metricValue="7.0" metricValueMax="7.5" metricValueMin="6.5" pageId="53" pageNumber="54" unit="m" value="70.0" valueMax="75.0" valueMin="65.0">
<elevation id="006B6C3A8A394C0EFE942E598347765C" box="[667,774,571,598]" metricMagnitude="1" metricUnit="m" metricValue="7.0" metricValueMax="7.5" metricValueMin="6.5" pageId="53" pageNumber="54" unit="m" value="70.0" valueMax="75.0" valueMin="65.0">6575 m</elevation>
</quantity>
;
<date id="FFF8ADC98A394C0EFF1D2E5983F3765C" box="[786,946,571,598]" pageId="53" pageNumber="54" value="1956-05-16">
<collectingDate id="EFBC54218A394C0EFF1D2E5983F3765C" box="[786,946,571,598]" pageId="53" pageNumber="54" value="1956-05-16">16 May 1956</collectingDate>
</date>
;
<specimenCode id="DBE023728A394C0EFFB12E5E8426765F" box="[958,1127,571,598]" pageId="53" pageNumber="54">MNHN 372-4</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8BF98B098A394C0EFCE52EE6851576CB" blockId="53.[189,1364,644,706]" pageId="53" pageNumber="54">
<materialsCitation id="3B2E81548A394C0EFCE52EE6851176CB" ID-GBIF-Occurrence="3411820379" collectingDate="1956-05-16" collectionCode="MNHN" collectorName="R / V Calypso" country="Senegal" elevation="70" latitude="12.925" location="SENEGAL" longLatPrecision="21" longitude="-17.55" pageId="53" pageNumber="54" specimenCode="MNHN 372-4b" specimenCount="2" specimenCount-female="2" typeStatus="paratype">
<emphasis id="B932571B8A394C0EFCE52EE681267694" bold="true" box="[234,359,644,670]" pageId="53" pageNumber="54">
<typeStatus id="54FD35AB8A394C0EFCE52EE681267694" box="[234,359,644,670]" pageId="53" pageNumber="54" type="paratype">Paratypes</typeStatus>
</emphasis>
<collectingCountry id="F351CB998A394C0EFCB22ECA810376C8" box="[189,322,680,706]" name="Senegal" pageId="53" pageNumber="54">SENEGAL</collectingCountry>
<specimenCount id="9D4040808A394C0EFD552ECA81DD76C8" box="[346,412,680,706]" pageId="53" pageNumber="54" type="female">2 ♀♀</specimenCount>
(without posterior region); same collection data as for holotype;
<specimenCode id="DBE023728A394C0EF8962ECA851176CB" box="[1177,1360,679,706]" pageId="53" pageNumber="54">MNHN 372-4b</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BF98B098A394C0EFCE52E9281E77700" blockId="53.[188,1401,752,955]" box="[234,422,752,778]" pageId="53" pageNumber="54">
<emphasis id="B932571B8A394C0EFCE52E9281E77700" bold="true" box="[234,422,752,778]" pageId="53" pageNumber="54">Other material</emphasis>
</paragraph>
<paragraph id="8BF98B098A394C0EFCB22F76853677B1" blockId="53.[188,1401,752,955]" pageId="53" pageNumber="54">
<materialsCitation id="3B2E81548A394C0EFCB22F76853277B1" ID-GBIF-Occurrence="3411820335" collectingDate="1956-06-13" collectionCode="MNHN" collectorName="R / V Calypso" country="Equatorial Guinea" elevation="0" latitude="-1.4011111" location="Annobon" longLatPrecision="21" longitude="5.6124997" pageId="53" pageNumber="54" specimenCode="MNHN 372-50" specimenCount="1" stateProvince="Annobon">
<collectingCountry id="F351CB998A394C0EFCB22F7681BD7724" box="[189,508,788,814]" name="Equatorial Guinea" pageId="53" pageNumber="54">EQUATORIAL GUINEA</collectingCountry>
<specimenCount id="9D4040808A394C0EFE142F76822F7724" box="[539,622,788,814]" pageId="53" pageNumber="54" type="generic">1 spec.</specimenCount>
(complete, broken in two pieces, anterior end distorted by label, anterior fragment previously dissected,
<quantity id="4CBE26EC8A394C0EFE9C2F5582BD775B" box="[659,764,823,850]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" pageId="53" pageNumber="54" unit="mm" value="13.5">13.5 mm</quantity>
long,
<quantity id="4CBE26EC8A394C0EFF482F5583E3775B" box="[839,930,823,850]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="53" pageNumber="54" unit="mm" value="1.5">1.5 mm</quantity>
wide, 42 chaetigers; posterior fragment
<quantity id="4CBE26EC8A394C0EFCB22F388141777F" box="[189,256,858,885]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="53" pageNumber="54" unit="mm" value="5.0">5 mm</quantity>
long,
<quantity id="4CBE26EC8A394C0EFD472F3881E0777F" box="[328,417,858,885]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="53" pageNumber="54" unit="mm" value="1.5">1.5 mm</quantity>
wide, 20 chaetigers, most chaetae broken; jaws with 5 accesory denticles; paragnath formula: I: 0; II: 45; III: destroyed; IV: 45; V: 0; VI: 36; VIIVIII: single row with 5 paragnaths);
<collectingRegion id="498245EB8A394C0EFCB12FC2816E77B0" box="[190,303,928,954]" country="Equatorial Guinea" name="Annobon" pageId="53" pageNumber="54">Annobon</collectingRegion>
;
<geoCoordinate id="EE72EDCE8A394C0EFD352FFD818877B1" box="[314,457,927,955]" degrees="01" direction="south" minutes="24" orientation="latitude" pageId="53" pageNumber="54" precision="15" seconds="04" value="-1.4011111">01°2404″ S</geoCoordinate>
,
<geoCoordinate id="EE72EDCE8A394C0EFDDA2FFD822677B1" box="[469,615,927,955]" degrees="05" direction="east" minutes="36" orientation="longitude" pageId="53" pageNumber="54" precision="15" seconds="45" value="5.6124997">05°3645″ E</geoCoordinate>
;
<collectorName id="26B3EEDF8A394C0EFE7D2FC3834977B0" box="[626,776,928,955]" pageId="53" pageNumber="54">
R/V
<taxonomicName id="4C46F08A8A394C0EFEA72FC2834977B0" box="[680,776,928,954]" class="Liliopsida" family="Orchidaceae" genus="Calypso" kingdom="Plantae" order="Asparagales" pageId="53" pageNumber="54" phylum="Tracheophyta" rank="genus">
<emphasis id="B932571B8A394C0EFEA72FC2834977B0" box="[680,776,928,954]" italics="true" pageId="53" pageNumber="54">Calypso</emphasis>
</taxonomicName>
</collectorName>
, stn 50;
<elevation id="006B6C3A8A394C0EFF652FC2844C77B1" box="[874,1037,928,955]" pageId="53" pageNumber="54">
depth
<quantity id="4CBE26EC8A394C0EFFBD2FC3844C77B1" box="[946,1037,929,955]" metricMagnitude="0" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="53" pageNumber="54" unit="m" value="8.5" valueMax="10.0" valueMin="7.0">710 m</quantity>
</elevation>
;
<date id="FFF8ADC98A394C0EF8172FC384F077B1" box="[1048,1201,928,955]" pageId="53" pageNumber="54" value="1956-06-13">
<collectingDate id="EFBC54218A394C0EF8172FC384F077B1" box="[1048,1201,928,955]" pageId="53" pageNumber="54" value="1956-06-13">13 Jun. 1956</collectingDate>
</date>
;
<specimenCode id="DBE023728A394C0EF8B32FC3853277B1" box="[1212,1395,928,955]" pageId="53" pageNumber="54">MNHN 372-50</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BF98B098A394C0EFCB22F88825F70BE" blockId="53.[189,1401,1001,1204]" pageId="53" pageNumber="54">
<materialsCitation id="3B2E81548A394C0EFCB22F88825F70BE" ID-GBIF-Occurrence="3411820311" collectingDate="1953-03-11" collectionCode="MNHN" collectorName="R / V G. Trica &amp; J. Forest" country="Guinea-Bissau" elevation="0" latitude="9.266666" location="GUINEA" longLatPrecision="1300" longitude="-14.833333" pageId="53" pageNumber="54" specimenCode="MNHN 372-45" specimenCount="1">
<collectingCountry id="F351CB998A394C0EFCB22F888171700E" box="[189,304,1002,1028]" name="Guinea-Bissau" pageId="53" pageNumber="54">GUINEA</collectingCountry>
<specimenCount id="9D4040808A394C0EFD5B2F8881EB700E" box="[340,426,1002,1028]" pageId="53" pageNumber="54" type="generic">1 spec.</specimenCount>
(anterior end distorted by pressure of the label;
<quantity id="4CBE26EC8A394C0EF8072F88841E700E" box="[1032,1119,1002,1028]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="53" pageNumber="54" unit="mm" value="12.0">12 mm</quantity>
long,
<quantity id="4CBE26EC8A394C0EF8BD2F888550700E" box="[1202,1297,1002,1028]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="53" pageNumber="54" unit="mm" value="0.7">0.7 mm</quantity>
wide at chaetiger 10 without parapodia, with 52 chaetigers, anal cirri lost; tentacular cirri slightly damaged, reaching chaetiger 5; antennae thick, as long as palps; eyes blackish, round, of similar size, posterior eyes partially covered by anterior margin of tentacular belt; used for glandular patterns in parapodial ligules);
<locationDeviation id="9A4B922B8A394C0EFD2728148271709A" box="[296,560,1142,1169]" pageId="53" pageNumber="54">
<quantity id="4CBE26EC8A394C0EFD27281481C0709A" box="[296,385,1142,1168]" metricMagnitude="5" metricUnit="m" metricValue="1.4" pageId="53" pageNumber="54" unit="km" value="140.0">140 km</quantity>
W of Kaloum
</locationDeviation>
;
<geoCoordinate id="EE72EDCE8A394C0EFE32281782EB709B" box="[573,682,1141,1169]" degrees="09" direction="north" minutes="16" orientation="latitude" pageId="53" pageNumber="54" precision="925" value="9.266666">09°16 N</geoCoordinate>
,
<geoCoordinate id="EE72EDCE8A394C0EFEB82817836B709B" box="[695,810,1141,1169]" degrees="14" direction="west" minutes="50" orientation="longitude" pageId="53" pageNumber="54" precision="925" value="-14.833333">14°50 W</geoCoordinate>
;
<collectorName id="26B3EEDF8A394C0EFF3828148390709A" box="[823,977,1142,1169]" pageId="53" pageNumber="54">
R/V
<emphasis id="B932571B8A394C0EFF6128158390709A" box="[878,977,1143,1169]" italics="true" pageId="53" pageNumber="54">G. Trica</emphasis>
</collectorName>
, stn 45;
<elevation id="006B6C3A8A394C0EF83628148482709B" box="[1081,1219,1142,1169]" pageId="53" pageNumber="54">
depth
<quantity id="4CBE26EC8A394C0EF88C28148482709B" box="[1155,1219,1142,1169]" metricMagnitude="1" metricUnit="m" metricValue="4.5" pageId="53" pageNumber="54" unit="m" value="45.0">45 m</quantity>
</elevation>
;
<date id="FFF8ADC98A394C0EF8DF28148533709B" box="[1232,1394,1142,1169]" pageId="53" pageNumber="54" value="1953-03-11">
<collectingDate id="EFBC54218A394C0EF8DF28148533709B" box="[1232,1394,1142,1169]" pageId="53" pageNumber="54" value="1953-03-11">11 Mar. 1953</collectingDate>
</date>
;
<collectorName id="26B3EEDF8A394C0EFCB228F8816170BE" box="[189,288,1178,1204]" pageId="53" pageNumber="54">J. Forest</collectorName>
leg.;
<specimenCode id="DBE023728A394C0EFD6D28F8825B70BE" box="[354,538,1177,1204]" pageId="53" pageNumber="54">MNHN 372-45</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8BF98B098A394C0EFCB2288181F5716C" blockId="53.[188,1399,1250,1383]" pageId="53" pageNumber="54">
<materialsCitation id="3B2E81548A394C0EFCB2288181F0716C" ID-GBIF-Occurrence="3411820305" collectingDate="1956-05-16" collectionCode="MNHN" collectorName="R / V Calypso" country="Guinea-Bissau" county="Ilha de Orangozinho" elevation="0" latitude="10.316667" location="Ilha de Orangozinho" longLatPrecision="21" longitude="-16.56111" municipality="Uite" pageId="53" pageNumber="54" specimenCode="MNHN 372-6" specimenCount="1">
<collectingCountry id="F351CB998A394C0EFCB2288181EB70F7" box="[189,426,1251,1277]" name="Guinea-Bissau" pageId="53" pageNumber="54">GUINEA-BISSAU</collectingCountry>
<specimenCount id="9D4040808A394C0EFDCC2881825270F7" box="[451,531,1251,1277]" pageId="53" pageNumber="54" type="generic">1 spec.</specimenCount>
(without posterior region,
<quantity id="4CBE26EC8A394C0EFF45288183DA70F7" box="[842,923,1251,1277]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" pageId="53" pageNumber="54" unit="mm" value="13.0">13 mm</quantity>
long,
<quantity id="4CBE26EC8A394C0EFFEC2881846770F7" box="[995,1062,1251,1277]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="53" pageNumber="54" unit="mm" value="1.0">1 mm</quantity>
wide, 61 chaetigers; anterior eyes oblique, directed anterolaterally; anteroventrally dissected, paragnaths not seen);
<locationDeviation id="9A4B922B8A394C0EF8C2296481537149" pageId="53" pageNumber="54">100 Km SSW of Uite</locationDeviation>
,
<collectingCounty id="6298F3858A394C0EFD10294B82547149" box="[287,533,1321,1347]" pageId="53" pageNumber="54">Ilha de Orangozinho</collectingCounty>
;
<geoCoordinate id="EE72EDCE8A394C0EFE2E294582F67149" box="[545,695,1319,1347]" degrees="10" direction="north" minutes="19" orientation="latitude" pageId="53" pageNumber="54" precision="15" seconds="00" value="10.316667">10°1900″ N</geoCoordinate>
,
<geoCoordinate id="EE72EDCE8A394C0EFECC2945831E7149" box="[707,863,1319,1347]" degrees="16" direction="west" minutes="33" orientation="longitude" pageId="53" pageNumber="54" precision="15" seconds="40" value="-16.56111">16°3340″ W</geoCoordinate>
;
<collectorName id="26B3EEDF8A394C0EFF64294B84427149" box="[875,1027,1321,1347]" pageId="53" pageNumber="54">
R/V
<taxonomicName id="4C46F08A8A394C0EFFAC294B84427149" box="[931,1027,1321,1347]" class="Liliopsida" family="Orchidaceae" genus="Calypso" kingdom="Plantae" order="Asparagales" pageId="53" pageNumber="54" phylum="Tracheophyta" rank="genus">
<emphasis id="B932571B8A394C0EFFAC294B84427149" box="[931,1027,1321,1347]" italics="true" pageId="53" pageNumber="54">Calypso</emphasis>
</taxonomicName>
</collectorName>
, stn 6;
<elevation id="006B6C3A8A394C0EF854294B854E7149" box="[1115,1295,1321,1347]" pageId="53" pageNumber="54">
depth 73
<quantity id="4CBE26EC8A394C0EF8DF294B854E7149" box="[1232,1295,1321,1347]" metricMagnitude="1" metricUnit="m" metricValue="6.0" pageId="53" pageNumber="54" unit="m" value="60.0">60 m</quantity>
</elevation>
;
<date id="FFF8ADC98A394C0EF913294B80BA716D" pageId="53" pageNumber="54" value="1956-05-16">
<collectingDate id="EFBC54218A394C0EF913294B80BA716D" pageId="53" pageNumber="54" value="1956-05-16">16 May 1956</collectingDate>
</date>
;
<specimenCode id="DBE023728A394C0EFD07292F81F0716C" box="[264,433,1356,1383]" pageId="53" pageNumber="54">MNHN 372-6</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BF98B098A394C0EFCB229F4841C7213" blockId="53.[189,1399,1429,1562]" pageId="53" pageNumber="54">
<materialsCitation id="3B2E81548A394C0EFCB229F481C571FC" ID-GBIF-Occurrence="3411820337" collectedFrom="low tide" collectingDate="1956-06-23" collectionCode="MNHN" collectorName="Ilha" country="Sao Tome and Principe" location="Ilha de Sao Tome" pageId="53" pageNumber="54" specimenCode="MNHN 372-T28" specimenCount="2" specimenCount-female="1" stateProvince="Sao Tome">
<collectingCountry id="F351CB998A394C0EFCB229F4827371B8" box="[189,562,1429,1458]" name="Sao Tome and Principe" pageId="53" pageNumber="54">SÃO TOMÉ AND PRÍNCIPE</collectingCountry>
<specimenCount id="9D4040808A394C0EFE4229F782DE71BA" box="[589,671,1429,1456]" pageId="53" pageNumber="54" type="generic">1 spec.</specimenCount>
(complete juvenile,
<quantity id="4CBE26EC8A394C0EFF9E29F7839471BA" box="[913,981,1429,1456]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="53" pageNumber="54" unit="mm" value="8.0">8 mm</quantity>
long,
<quantity id="4CBE26EC8A394C0EF82F29F7843B71BA" box="[1056,1146,1429,1456]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" pageId="53" pageNumber="54" unit="mm" value="0.8">0.8 mm</quantity>
wide, 57 chaetigers),
<specimenCount id="9D4040808A394C0EFCB229DA80AB71D9" box="[189,234,1464,1491]" pageId="53" pageNumber="54" type="female">1 ♀</specimenCount>
(anterior end distorted by label);
<location id="8E99DDD28A394C0EFE7829DA830B71D8" LSID="urn:lsid:plazi:treatment:03EF3A1F8A384C01FE872A15857D7073:8E99DDD28A394C0EFE7829DA830B71D8" box="[631,842,1464,1490]" country="Sao Tome and Principe" name="Ilha de Sao Tome" pageId="53" pageNumber="54" stateProvince="Sao Tome">Ilha de São Tomé</location>
; R/V
<taxonomicName id="4C46F08A8A394C0EFF8129DA83AF71D8" box="[910,1006,1464,1490]" class="Liliopsida" family="Orchidaceae" genus="Calypso" kingdom="Plantae" order="Asparagales" pageId="53" pageNumber="54" phylum="Tracheophyta" rank="genus">
<emphasis id="B932571B8A394C0EFF8129DA83AF71D8" box="[910,1006,1464,1490]" italics="true" pageId="53" pageNumber="54">Calypso</emphasis>
</taxonomicName>
, stn T28;
<date id="FFF8ADC98A394C0EF86829DA854371D9" box="[1127,1282,1464,1491]" pageId="53" pageNumber="54" value="1956-06-23">
<collectingDate id="EFBC54218A394C0EF86829DA854371D9" box="[1127,1282,1464,1491]" pageId="53" pageNumber="54" value="1956-06-23">23 Jun. 1956</collectingDate>
</date>
;
<collectedFrom id="385AC8F48A394C0EF90129DA853371D8" box="[1294,1394,1464,1490]" pageId="53" pageNumber="54">low tide</collectedFrom>
;
<specimenCode id="DBE023728A394C0EFCB129BE81C571FC" box="[190,388,1500,1526]" pageId="53" pageNumber="54">MNHN 372-T28</specimenCode>
</materialsCitation>
<materialsCitation id="3B2E81548A394C0EFD9129BE84187213" ID-GBIF-Occurrence="3411820308" collectingDate="1956-06-26" collectionCode="MNHN" collectorName="R / V Calypso" country="Sao Tome and Principe" elevation="0" latitude="1.6166667" location="Principe" longLatPrecision="21" longitude="7.4" pageId="53" pageNumber="54" specimenCode="MNHN 372-92" specimenCount="1" stateProvince="Principe">
<specimenCount id="9D4040808A394C0EFD9129BE81B171FC" box="[414,496,1500,1526]" pageId="53" pageNumber="54" type="generic">1 spec.</specimenCount>
(complete);
<locationDeviation id="9A4B922B8A394C0EFE8829BE83D071FF" box="[647,913,1499,1526]" pageId="53" pageNumber="54">S of Baía das Agulhas</locationDeviation>
, “Ilha Principe” [
<collectingRegion id="498245EB8A394C0EF85229B9848471FC" box="[1117,1221,1499,1526]" country="Sao Tome and Principe" name="Principe" pageId="53" pageNumber="54">Príncipe</collectingRegion>
];
<geoCoordinate id="EE72EDCE8A394C0EF8D329B8853371FC" box="[1244,1394,1498,1526]" degrees="01" direction="north" minutes="37" orientation="latitude" pageId="53" pageNumber="54" precision="15" seconds="00" value="1.6166667">01°3700″ N</geoCoordinate>
,
<geoCoordinate id="EE72EDCE8A394C0EFCB2299F81117213" box="[189,336,1533,1561]" degrees="07" direction="east" minutes="24" orientation="longitude" pageId="53" pageNumber="54" precision="15" seconds="00" value="7.4">07°2400″ E</geoCoordinate>
;
<collectorName id="26B3EEDF8A394C0EFD53299D81B57213" box="[348,500,1535,1561]" pageId="53" pageNumber="54">
R/V
<taxonomicName id="4C46F08A8A394C0EFD9B299D81B57213" box="[404,500,1535,1561]" class="Liliopsida" family="Orchidaceae" genus="Calypso" kingdom="Plantae" order="Asparagales" pageId="53" pageNumber="54" phylum="Tracheophyta" rank="genus">
<emphasis id="B932571B8A394C0EFD9B299D81B57213" box="[404,500,1535,1561]" italics="true" pageId="53" pageNumber="54">Calypso</emphasis>
</taxonomicName>
</collectorName>
, stn 92;
<elevation id="006B6C3A8A394C0EFE56299D82AE7213" box="[601,751,1535,1561]" pageId="53" pageNumber="54">
depth
<quantity id="4CBE26EC8A394C0EFEAE299D82AE7213" box="[673,751,1535,1561]" metricMagnitude="0" metricUnit="m" metricValue="6.0" metricValueMax="8.0" metricValueMin="4.0" pageId="53" pageNumber="54" unit="m" value="6.0" valueMax="8.0" valueMin="4.0">48 m</quantity>
</elevation>
;
<date id="FFF8ADC98A394C0EFEF4299D83D47210" box="[763,917,1535,1562]" pageId="53" pageNumber="54" value="1956-06-26">
<collectingDate id="EFBC54218A394C0EFEF4299D83D47210" box="[763,917,1535,1562]" pageId="53" pageNumber="54" value="1956-06-26">26 Jun. 1956</collectingDate>
</date>
;
<specimenCode id="DBE023728A394C0EFFAE299D84187213" box="[929,1113,1535,1561]" pageId="53" pageNumber="54">MNHN 372-92</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C35CD8828A394C02FCB22A25819B7276" lastPageId="57" lastPageNumber="58" pageId="53" pageNumber="54" type="description">
<paragraph id="8BF98B098A394C0EFCB22A2582AC7269" blockId="53.[189,749,1607,1635]" box="[189,749,1607,1635]" pageId="53" pageNumber="54">
<emphasis id="B932571B8A394C0EFCB22A25810F726B" bold="true" box="[189,334,1607,1633]" pageId="53" pageNumber="54">Description</emphasis>
(
<typeStatus id="54FD35AB8A394C0EFD522A2A81897268" box="[349,456,1608,1634]" pageId="53" pageNumber="54" type="holotype">holotype</typeStatus>
, except where indicated)
</paragraph>
<paragraph id="8BF98B098A394C0EFCB22A1483B07314" blockId="53.[186,1399,1654,1822]" pageId="53" pageNumber="54">
BODY.Mature female, without posterior end (
<figureCitation id="137D978C8A394C0EFECE2A14836D729A" box="[705,812,1654,1680]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="53" pageNumber="54">Fig. 18A</figureCitation>
). Body subcylindrical up to chaetiger 15, depressed thereafter to end of fragment;
<quantity id="4CBE26EC8A394C0EFE1E2AF8822372BE" box="[529,610,1690,1716]" metricMagnitude="-2" metricUnit="m" metricValue="2.3" pageId="53" pageNumber="54" unit="mm" value="23.0">23 mm</quantity>
long,
<quantity id="4CBE26EC8A394C0EFEA82AFB82BE72BE" box="[679,767,1689,1716]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="53" pageNumber="54" unit="mm" value="1.5">1.5 mm</quantity>
wide (without parapodia), with 63 chaetigers. Dorsum brownish, darker along first 10 chaetigers, progressively paler; dorsal pigmentation as a solid transverse bar, paler approaching parapodia. Venter homogeneously brownish, progressively paler medially and posteriorly. Parapodial ligules with brownish glands from chaetiger 5.
</paragraph>
<paragraph id="8BF98B098A394C0EFCB22B2E822673DA" blockId="53.[189,1400,1868,2000]" pageId="53" pageNumber="54">
PROSTOMIUM. Slightly longer than wide; eyes blackish, of similar size, anterior eyes oval, longer than wide, about ⅙ of prostomial width, slightly more distant from each other than posterior eyes (
<figureCitation id="137D978C8A394C0EF90F2B0D852B7383" box="[1280,1386,1903,1929]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="53" pageNumber="54">Fig. 18B</figureCitation>
). Antennae terminal, without gap between them, tips reaching palpophore ends. Palpophores 2× as long as wide; palpostyles rounded, small.
</paragraph>
<paragraph id="8BF98B098A3A4C0DFCB22D6B81077563" blockId="54.[189,1399,265,361]" pageId="54" pageNumber="55">TENTACULAR BELT. 1.5× as long as first chaetiger; anterior margin partially covering posterior eyes. Tentacular cirri corrugate to articulate, tips broken, posterior dorsal cirri lost, remaining ones reaching chaetiger 2.</paragraph>
<paragraph id="8BF98B098A3A4C0DFCB22DFB848D75F3" blockId="54.[189,1399,408,506]" pageId="54" pageNumber="55">
PHARYNX. Barely exposed, showing paragnaths and tips of jaws, but not dissected to avoid further damage. Another specimen (
<collectingRegion id="498245EB8A3A4C0DFE062DDE822475DC" box="[521,613,444,470]" country="Ireland" name="Monaghan" pageId="54" pageNumber="55">MNHN</collectingRegion>
372-50) with jaws with 5 accesory denticles. Paragnath formula: I: 0; II: 45; III: destroyed; IV: 45; V: 0; VI: 36; VIIVIII: single row with 5 paragnaths.
</paragraph>
<paragraph id="8BF98B098A3A4C0DFCB22E4A83237682" blockId="54.[188,1398,552,648]" pageId="54" pageNumber="55">
PATTERN OF PARAPODIAL LIGULES. Anterior, median and posterior chaetigers with ligules tapered, slightly blunter in anterior chaetigers, progressively sharper, 34 × as long as wide. Ventral ligules progressively smaller. Ligules with contorted glandular tubules (
<figureCitation id="137D978C8A3A4C0DFF042E0C83127682" box="[779,851,622,648]" captionStart="Fig" captionStartId="6.[188,231,1890,1916]" captionTargetBox="[193,1398,717,1860]" captionTargetId="figure-248@6.[189,1399,714,1863]" captionTargetPageId="6" captionText="Fig. 2. Nereis mezianei sp. nov., non-type juvenile (MNHN 372-45). A. Chaetiger 9, left parapodium, anterior view. B. Same, base of notopodial ligules. C. Same, base of ventral ligule. D. Chaetiger 25, left parapodium, posterior view. E. Same, dorsal ligule. F. Same, ventral ligule. G. Chaetiger 46, left parapodium, posterior view. H. Same, notopodial ligules. I. Same, ventral ligule." figureDoi="http://doi.org/10.5281/zenodo.5724317" httpUri="https://zenodo.org/record/5724317/files/figure.png" pageId="54" pageNumber="55">Fig. 2</figureCitation>
).
</paragraph>
<paragraph id="8BF98B098A3A4C0DFCB22ED584EC76DB" blockId="54.[189,1197,695,722]" box="[189,1197,695,722]" pageId="54" pageNumber="55">CHAETIGERS 12. With neuraciculae only; with both noto- and neuraciculae thereafter.</paragraph>
<paragraph id="8BF98B098A3A4C0DFCB22F62830977E4" blockId="54.[186,1399,768,1006]" pageId="54" pageNumber="55">
ANTERIOR PARAPODIA (
<figureCitation id="137D978C8A3A4C0DFDC72F6282067710" box="[456,583,768,794]" captionStart="Fig" captionStartId="6.[188,231,1890,1916]" captionTargetBox="[193,1398,717,1860]" captionTargetId="figure-248@6.[189,1399,714,1863]" captionTargetPageId="6" captionText="Fig. 2. Nereis mezianei sp. nov., non-type juvenile (MNHN 372-45). A. Chaetiger 9, left parapodium, anterior view. B. Same, base of notopodial ligules. C. Same, base of ventral ligule. D. Chaetiger 25, left parapodium, posterior view. E. Same, dorsal ligule. F. Same, ventral ligule. G. Chaetiger 46, left parapodium, posterior view. H. Same, notopodial ligules. I. Same, ventral ligule." figureDoi="http://doi.org/10.5281/zenodo.5724317" httpUri="https://zenodo.org/record/5724317/files/figure.png" pageId="54" pageNumber="55">Figs 2AC</figureCitation>
,
<figureCitation id="137D978C8A3A4C0DFE5B2F6282C77710" box="[596,646,768,794]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="54" pageNumber="55">18C</figureCitation>
). With dorsal cirrus thicker, slightly longer than dorsal ligule and ventral cirrus. Dorsal and median ligules subequal, dorsal ligule wider than ventral one. Neuracicular ligule digitiform, blunt, 2× as long as wide, slightly longer than ventral ligule. Notochaetae 6 homogomph spinigers. Supracicular neurochaetae: 5 homogomph spinigers and 3 heterogomph falcigers with blades spinulose, 67 × as long as wide, distal tooth incurved, fused to blade; subacicular neurochaetae: 5 homogomph spinigers and 4 heterogomph falcigers with blades lost (in
<collectingRegion id="498245EB8A3A4C0DF82D2FD3843D77C1" box="[1058,1148,945,971]" country="Ireland" name="Monaghan" pageId="54" pageNumber="55">MNHN</collectingRegion>
372-T28 with blades 56 × as long as wide, spinulose, distal tooth incurved).
</paragraph>
<caption id="DF39DB818A3A4C0DFCB22B20856C73E3" ID-DOI="http://doi.org/10.5281/zenodo.5724355" ID-Zenodo-Dep="5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="54" pageNumber="55" startId="54.[189,232,1858,1884]" targetBox="[191,1397,1068,1826]" targetPageId="54">
<paragraph id="8BF98B098A3A4C0DFCB22B20856C73E3" blockId="54.[189,1398,1858,2026]" pageId="54" pageNumber="55">
<emphasis id="B932571B8A3A4C0DFCB22B2081617356" bold="true" box="[189,288,1858,1884]" pageId="54" pageNumber="55">Fig. 18.</emphasis>
<taxonomicName id="4C46F08A8A3A4C0DFD222B2181AF7356" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[301,494,1859,1884]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="54" pageNumber="55" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A3A4C0DFD222B2181AF7356" box="[301,494,1859,1884]" italics="true" pageId="54" pageNumber="55">Nereis mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A3A4C0DFDF32B21821E7357" box="[508,607,1859,1885]" pageId="54" pageNumber="55" rank="species">sp. nov.</taxonomicNameLabel>
, holotype (MNHN 372-4).
<emphasis id="B932571B8A3A4C0DFFB52B20838E7356" bold="true" box="[954,975,1858,1884]" pageId="54" pageNumber="55">A</emphasis>
. Dorsal view.
<emphasis id="B932571B8A3A4C0DF8832B2084E17356" bold="true" box="[1164,1184,1858,1884]" pageId="54" pageNumber="55">B</emphasis>
. Anterior region, dorsal view.
<emphasis id="B932571B8A3A4C0DFD572B07812A7375" bold="true" box="[344,363,1893,1919]" pageId="54" pageNumber="55">C</emphasis>
. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost).
<emphasis id="B932571B8A3A4C0DF88D2B0784D47375" bold="true" box="[1154,1173,1893,1919]" pageId="54" pageNumber="55">D</emphasis>
. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost).
<emphasis id="B932571B8A3A4C0DFF1D2BEB836773A9" bold="true" box="[786,806,1929,1955]" pageId="54" pageNumber="55">E</emphasis>
. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken).
<emphasis id="B932571B8A3A4C0DF86E2BCE843273CC" bold="true" box="[1121,1139,1964,1990]" pageId="54" pageNumber="55">F</emphasis>
. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips).
<emphasis id="B932571B8A3A4C0DFFA02BAD838773E3" bold="true" box="[943,966,1999,2025]" pageId="54" pageNumber="55">G</emphasis>
. Posterior region, dorsal view.
</paragraph>
</caption>
<paragraph id="8BF98B098A3B4C03FCB22D6B81DD7613" blockId="55.[188,1401,265,538]" lastBlockId="56.[187,1399,265,538]" lastPageId="56" lastPageNumber="57" pageId="55" pageNumber="56">
MEDIAN PARAPODIA (
<figureCitation id="137D978C8A3B4C0CFDBD2D6B825F7529" box="[434,542,265,291]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="55" pageNumber="56">Fig. 18D</figureCitation>
). With dorsal cirrus shorter than dorsal ligule, slightly longer than ventral one in
<collectingRegion id="498245EB8A3B4C0CFD192D4F8131754D" box="[278,368,301,327]" country="Ireland" name="Monaghan" pageId="55" pageNumber="56">MNHN</collectingRegion>
372-T28. Both dorsal and median ligules subconical, tapered, 2× as long as wide, dorsal ligule slightly longer than median one, glandular areas distinct, expanded inside ligular bases. Neuracicular ligule subconical, as long as wide, shorter than ventral ligule; ventral ligule subconical, blunt, 3× as long as wide, as long as ventral cirrus. Notochaetae 5 homogomph spinigers. Supracicular neurochaetae: 8 homogomph spinigers and 1 heterogomph falciger with blade spinulose, 5× as long as wide, distal tooth incurved, fused to blade; subacicular neurochaetae: 4 heterogomph spinigers, and 7 heterogomph falcigers with blades spinulose, 3× as long as wide, distal tooth incurved, fused to blade. POSTERIOR PARAPODIA (
<figureCitation id="137D978C8A344C03FDDC2D6B827F7529" box="[467,574,265,291]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="56" pageNumber="57">Fig. 18E</figureCitation>
). With dorsal cirrus 1.3× as long as dorsal ligule. Dorsal and median ligules subequal, subconical, tapered, 1.52.5× as long as wide, 2× as long as neuracicular ligule, glandular areas distinct, expanded inside ligular bases. Neuracicular ligule subconical, as long as wide, subequal to ventral ligules; ventral ligule digitiform, slightly longer than wide, longer than ventral cirrus. Notochaetae: 4 homogomph spinigers and 1 homogomph falciger. Supracicular neurochaetae: 5 homogomph spinigers and 1 heterogomph falciger (broken); subacicular neurochaetae: 3 heterogomph spinigers and 5 heterogomph falcigers with blades spinulose, 2 × as long as wide, distal tooth incurved and fused to blade.
</paragraph>
<caption id="DF39DB818A3B4C0CFCB22BE5857073E2" ID-DOI="http://doi.org/10.5281/zenodo.5724357" ID-Zenodo-Dep="5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="55" pageNumber="56" startId="55.[189,232,1927,1953]" targetBox="[191,1394,591,1896]" targetPageId="55">
<paragraph id="8BF98B098A3B4C0CFCB22BE5857073E2" blockId="55.[189,1399,1927,2024]" pageId="55" pageNumber="56">
<emphasis id="B932571B8A3B4C0CFCB22BE5815E73AB" bold="true" box="[189,287,1927,1953]" pageId="55" pageNumber="56">Fig. 19.</emphasis>
<taxonomicName id="4C46F08A8A3B4C0CFD232BEA81AC73AB" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[300,493,1928,1953]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="55" pageNumber="56" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A3B4C0CFD232BEA81AC73AB" box="[300,493,1928,1953]" italics="true" pageId="55" pageNumber="56">Nereis mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A3B4C0CFDF52BEA821C73A8" box="[506,605,1928,1954]" pageId="55" pageNumber="56" rank="species">sp. nov.</taxonomicNameLabel>
, paratypes (MNHN 372-4b).
<emphasis id="B932571B8A3B4C0CFFC12BE583A273AB" bold="true" box="[974,995,1927,1953]" pageId="55" pageNumber="56">A</emphasis>
. Smallest paratype, dorsal view.
<emphasis id="B932571B8A3B4C0CFCB22BC9809073CF" bold="true" box="[189,209,1963,1989]" pageId="55" pageNumber="56">B</emphasis>
. Same, anterior end, dorsal view.
<emphasis id="B932571B8A3B4C0CFE502BC8823573CE" bold="true" box="[607,628,1962,1988]" pageId="55" pageNumber="56">C</emphasis>
. Same, median segments, dorsal view.
<emphasis id="B932571B8A3B4C0CF84E2BC9841773CF" bold="true" box="[1089,1110,1963,1989]" pageId="55" pageNumber="56">D</emphasis>
. Same, posterior region, dorsal view.
<emphasis id="B932571B8A3B4C0CFD5D2BAC812773E2" bold="true" box="[338,358,1998,2024]" pageId="55" pageNumber="56">E</emphasis>
. Largest paratype, anterior region, dorsal view.
<emphasis id="B932571B8A3B4C0CFF982BAC83E873E2" bold="true" box="[919,937,1998,2024]" pageId="55" pageNumber="56">F</emphasis>
. Same, anterior end, dorsal view.
</paragraph>
</caption>
<paragraph id="8BF98B098A344C03FCB22E5F818E777B" blockId="56.[188,1399,573,881]" pageId="56" pageNumber="57">
SUBTERMINAL PARAPODIA (
<figureCitation id="137D978C8A344C03FDF82E5F8221765D" box="[503,608,573,600]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="56" pageNumber="57">Fig. 18F</figureCitation>
). With dorsal cirrus markedly longer than notopodial ligules. Both dorsal and median ligules subconical, 2× as long as wide, median ligule slightly longer than dorsal one. Neuracicular ligules subconical, as long as wide, tapered; ventral ligules digitiform, slightly longer than wide, slightly longer than neuracicular ligules, longer than ventral cirri. Notochaetae 1 homogomph spiniger, and 2 homogomph falcigers, blades spinulose, 34 × as long as wide, tip blunt, tendon well developed. Supracicular neurochaetae 4 homogomph spinigers and 1 larger heterogomph falciger, blade spinulose, 3× as long as wide, tip blunt, tendon well developed. Infracicular neurochaetae 3 heterogomph spinigers, and 3 heterogomph falcigers, blades spinulose, 3 × as long as wide, tip blunt, tendon well developed.
</paragraph>
<paragraph id="8BF98B098A344C03FCB22FF682BA77DB" blockId="56.[189,1399,916,978]" pageId="56" pageNumber="57">
POSTERIOR REGION. Missing. In
<collectingRegion id="498245EB8A344C03FE4D2FF782DD77A5" box="[578,668,917,943]" country="Ireland" name="Monaghan" pageId="56" pageNumber="57">MNHN</collectingRegion>
372-T28, posterior end tapered into a blunt pygidium, anus terminal, anal cirri as long as last 56 chaetigers.
</paragraph>
<paragraph id="8BF98B098A344C03FCB22F9781A47038" blockId="56.[189,1398,1013,1074]" pageId="56" pageNumber="57">
OOCYTES. Yellowish, visible from about chaetiger 30; each about 150 μm in diameter (distorted, inside parapodium in
<figureCitation id="137D978C8A344C03FD60287A81967038" box="[367,471,1048,1074]" captionStart="Fig" captionStartId="54.[189,232,1858,1884]" captionTargetBox="[191,1397,1068,1826]" captionTargetId="figure-320@54.[189,1398,1066,1829]" captionTargetPageId="54" captionText="Fig. 18. Nereis mezianei sp. nov., holotype (MNHN 372-4). A. Dorsal view. B. Anterior region, dorsal view. C. Chaetiger 2, left parapodium, anterior view (ventral cirrus lost). D. Chaetiger 16, left parapodium, posterior view (ventral cirrus lost). E. Chaetiger 31, right parapodium, posterior view (notopodial homogomph and supracicular heterogomph falcigers broken). F. Chaetiger 55, right parapodium, posterior view (insets: homogomph falcigers tips). G. Posterior region, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724355" httpUri="https://zenodo.org/record/5724355/files/figure.png" pageId="56" pageNumber="57">Fig. 18E</figureCitation>
).
</paragraph>
<caption id="DF39DB818A344C03FCB22B06812B73E2" ID-DOI="http://doi.org/10.5281/zenodo.5724359" ID-Zenodo-Dep="5724359" httpUri="https://zenodo.org/record/5724359/files/figure.png" pageId="56" pageNumber="57" startId="56.[189,232,1892,1918]" targetBox="[190,1398,1127,1864]" targetPageId="56">
<paragraph id="8BF98B098A344C03FCB22B06812B73E2" blockId="56.[187,1398,1892,2024]" pageId="56" pageNumber="57">
<emphasis id="B932571B8A344C03FCB22B0681597374" bold="true" box="[189,280,1892,1918]" pageId="56" pageNumber="57">Fig. 20.</emphasis>
<taxonomicName id="4C46F08A8A344C03FD102B0781987374" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[287,473,1893,1918]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="56" pageNumber="57" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A344C03FD102B0781987374" box="[287,473,1893,1918]" italics="true" pageId="56" pageNumber="57">Nereis mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A344C03FDEF2B07827C7375" box="[480,573,1893,1919]" pageId="56" pageNumber="57" rank="species">sp. nov.</taxonomicNameLabel>
, mature female (MNHN 372-T28).
<emphasis id="B932571B8A344C03FFD32B0683B07374" bold="true" box="[988,1009,1892,1918]" pageId="56" pageNumber="57">A</emphasis>
. Dorsal view.
<emphasis id="B932571B8A344C03F8952B0784EF7375" bold="true" box="[1178,1198,1893,1919]" pageId="56" pageNumber="57">B</emphasis>
. Anterior region, dorsal view. Parapodia stained with Shirslastain-A.
<emphasis id="B932571B8A344C03FF3E2BEA830773A8" bold="true" box="[817,838,1928,1954]" pageId="56" pageNumber="57">C</emphasis>
. Chaetiger 2, right parapodium, anterior view (dorsal cirrus bent).
<emphasis id="B932571B8A344C03FDAA2BC981FB73CF" bold="true" box="[421,442,1963,1989]" pageId="56" pageNumber="57">D</emphasis>
. Chaetiger 35, left parapodium, posterior view.
<emphasis id="B932571B8A344C03FFEE2BC983B473CF" bold="true" box="[993,1013,1963,1989]" pageId="56" pageNumber="57">E</emphasis>
. Chaetiger 52, right parapodium, posterior view.
</paragraph>
</caption>
<paragraph id="8BF98B098A354C02FCB22D6A81727528" blockId="57.[189,307,264,290]" box="[189,307,264,290]" pageId="57" pageNumber="58">
<heading id="D0B13C658A354C02FCB22D6A81727528" bold="true" box="[189,307,264,290]" fontSize="11" level="3" pageId="57" pageNumber="58" reason="3">
<emphasis id="B932571B8A354C02FCB22D6A81727528" bold="true" box="[189,307,264,290]" pageId="57" pageNumber="58">Variation</emphasis>
</heading>
</paragraph>
<paragraph id="8BF98B098A354C02FCB22D55856676B8" blockId="57.[187,1400,311,690]" pageId="57" pageNumber="58">
The
<typeStatus id="54FD35AB8A354C02FCFE2D5A81207558" box="[241,353,312,338]" pageId="57" pageNumber="58" type="paratype">paratypes</typeStatus>
are anterior fragments, regarded as mature females due to the presence of oocytes in their coelom (
<figureCitation id="137D978C8A354C02FD2D2D388139757E" box="[290,376,346,372]" captionStart="Fig" captionStartId="55.[189,232,1927,1953]" captionTargetBox="[191,1394,591,1896]" captionTargetId="figure-188@55.[187,1400,586,1900]" captionTargetPageId="55" captionText="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="57" pageNumber="58">Fig. 19</figureCitation>
), as damaged as in the
<typeStatus id="54FD35AB8A354C02FE8A2D3882B1757E" box="[645,752,346,372]" pageId="57" pageNumber="58" type="holotype">holotype</typeStatus>
. Body with dorsum brownish, especially along anterior third of body (
<figureCitation id="137D978C8A354C02FD682D1F82597592" box="[359,536,381,408]" captionStart="Fig" captionStartId="55.[189,232,1927,1953]" captionTargetBox="[191,1394,591,1896]" captionTargetId="figure-188@55.[187,1400,586,1900]" captionTargetPageId="55" captionText="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="57" pageNumber="58">Fig. 19AB, E</figureCitation>
), and parapodial ligules with brownish glandular regions from chaetigers 34, often darker in posterior chaetigers. They are
<quantity id="4CBE26EC8A354C02FEF02DC3833D75B1" box="[767,892,417,443]" metricMagnitude="-2" metricUnit="m" metricValue="1.75" metricValueMax="2.3" metricValueMin="1.2" pageId="57" pageNumber="58" unit="mm" value="17.5" valueMax="23.0" valueMin="12.0">1223 mm</quantity>
long,
<quantity id="4CBE26EC8A354C02FFCD2DC3846375B1" box="[962,1058,417,443]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="57" pageNumber="58" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">12 mm</quantity>
wide, with 6162 chaetigers; all parapodial ligules with dark brown glands, many chaetae broken. The left posterior dorsal tentacular cirri in the largest
<typeStatus id="54FD35AB8A354C02FD962D8A81BF7608" box="[409,510,488,514]" pageId="57" pageNumber="58" type="paratype">paratype</typeStatus>
are broken, reaching chaetiger 6 (
<figureCitation id="137D978C8A354C02FF982D858443760B" box="[919,1026,487,513]" captionStart="Fig" captionStartId="55.[189,232,1927,1953]" captionTargetBox="[191,1394,591,1896]" captionTargetId="figure-188@55.[187,1400,586,1900]" captionTargetPageId="55" captionText="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="57" pageNumber="58">Fig. 19E</figureCitation>
). The right one is longer, but it was broken during manipulation, such that tentacular cirri might reach chaetiger 8. The tentacular belt partially covers the posterior eyes (
<figureCitation id="137D978C8A354C02FE562E4F82A37642" box="[601,738,557,584]" captionStart="Fig" captionStartId="55.[189,232,1927,1953]" captionTargetBox="[191,1394,591,1896]" captionTargetId="figure-188@55.[187,1400,586,1900]" captionTargetPageId="55" captionText="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="57" pageNumber="58">Fig. 19B, F</figureCitation>
), and the eyes are of similar size, with the posterior eyes slightly closer to each other than the anterior ones. Both
<typeStatus id="54FD35AB8A354C02FF6A2E3383947661" box="[869,981,593,619]" pageId="57" pageNumber="58" type="paratype">paratypes</typeStatus>
with oocytes from about chaetiger 30 (
<figureCitation id="137D978C8A354C02FCE32E1681167684" box="[236,343,628,654]" captionStart="Fig" captionStartId="55.[189,232,1927,1953]" captionTargetBox="[191,1394,591,1896]" captionTargetId="figure-188@55.[187,1400,586,1900]" captionTargetPageId="55" captionText="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="57" pageNumber="58">Fig. 19C</figureCitation>
), although they can appear from chaetiger 18 (
<collectingRegion id="498245EB8A354C02FF762E1683947684" box="[889,981,628,654]" country="Ireland" name="Monaghan" pageId="57" pageNumber="58">MNHN</collectingRegion>
372-T28), and continue throughout most segments, even in the smallest
<typeStatus id="54FD35AB8A354C02FE662EFA828F76B8" box="[617,718,664,690]" pageId="57" pageNumber="58" type="paratype">paratype</typeStatus>
(
<figureCitation id="137D978C8A354C02FED12EF5830A76BB" box="[734,843,663,689]" captionStart="Fig" captionStartId="55.[189,232,1927,1953]" captionTargetBox="[191,1394,591,1896]" captionTargetId="figure-188@55.[187,1400,586,1900]" captionTargetPageId="55" captionText="Fig. 19. Nereis mezianei sp. nov., paratypes (MNHN 372-4b). A. Smallest paratype, dorsal view. B. Same, anterior end, dorsal view. C. Same, median segments, dorsal view. D. Same, posterior region, dorsal view. E. Largest paratype, anterior region, dorsal view. F. Same, anterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.5724357" httpUri="https://zenodo.org/record/5724357/files/figure.png" pageId="57" pageNumber="58">Fig. 19D</figureCitation>
); each oocyte about 150 μm in diameter.
</paragraph>
<paragraph id="8BF98B098A354C02FCB22EB3843E7772" blockId="57.[189,1399,721,888]" pageId="57" pageNumber="58">
Another mature female (
<collectingRegion id="498245EB8A354C02FDD22EB3827876E1" box="[477,569,721,747]" country="Ireland" name="Monaghan" pageId="57" pageNumber="58">MNHN</collectingRegion>
372-T28), defined as such by the presence of oocytes in its coelom, is
<quantity id="4CBE26EC8A354C02FCB22E9681517705" box="[189,272,756,783]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="57" pageNumber="58" unit="mm" value="12.0">12 mm</quantity>
long,
<quantity id="4CBE26EC8A354C02FD552E9681F57705" box="[346,436,756,783]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="57" pageNumber="58" unit="mm" value="1.2">1.2 mm</quantity>
wide, with 72 chaetigers, and has an almost complete histolysis such that most of the coelomic space is filled with oocytes (
<figureCitation id="137D978C8A354C02FEAB2F758350773B" box="[676,785,791,817]" captionStart="Fig" captionStartId="56.[189,232,1892,1918]" captionTargetBox="[190,1398,1127,1864]" captionTargetId="figure-345@56.[189,1398,1124,1865]" captionTargetPageId="56" captionText="Fig. 20. Nereis mezianei sp. nov., mature female (MNHN 372-T28). A. Dorsal view. B. Anterior region, dorsal view. Parapodia stained with Shirslastain-A. C. Chaetiger 2, right parapodium, anterior view (dorsal cirrus bent). D. Chaetiger 35, left parapodium, posterior view.E. Chaetiger 52, right parapodium, posterior view." figureDoi="http://doi.org/10.5281/zenodo.5724359" httpUri="https://zenodo.org/record/5724359/files/figure.png" pageId="57" pageNumber="58">Fig. 20A</figureCitation>
), first visible from chaetiger 89, but more abundant from chaetiger 18, each about 150 μm in diameter. Tentacular cirri articulate, broken. Antennae slightly longer than palps. the parapodia do not show any trace of epitokal transformation.
</paragraph>
<paragraph id="8BF98B098A354C02FCB22FF581D7706B" blockId="57.[187,1399,919,1121]" pageId="57" pageNumber="58">
Chaetigers 12 With neuraciculae only (
<figureCitation id="137D978C8A354C02FE842FF582B777B8" box="[651,758,919,946]" captionStart="Fig" captionStartId="56.[189,232,1892,1918]" captionTargetBox="[190,1398,1127,1864]" captionTargetId="figure-345@56.[189,1398,1124,1865]" captionTargetPageId="56" captionText="Fig. 20. Nereis mezianei sp. nov., mature female (MNHN 372-T28). A. Dorsal view. B. Anterior region, dorsal view. Parapodia stained with Shirslastain-A. C. Chaetiger 2, right parapodium, anterior view (dorsal cirrus bent). D. Chaetiger 35, left parapodium, posterior view.E. Chaetiger 52, right parapodium, posterior view." figureDoi="http://doi.org/10.5281/zenodo.5724359" httpUri="https://zenodo.org/record/5724359/files/figure.png" pageId="57" pageNumber="58">Fig. 20C</figureCitation>
). With dorsal cirri slightly longer than ventral ones, and dorsal and ventral ligules of similar shape and size. Neurochaetal ligule conical, blunt, as long as wide. Supracicular neurochaetae: 5 homogomph spinigers and 2 heterogomph falcigers, blades spinulose, 56 × as long as wide, tips incurved, tendons barely visible; subacicular neurochaetae: 4 heterogomph spinigers and 4 smaller heterogomph falcigers, blades spinulose, 46× as long as wide, tips incurved, tendons indistinct.
</paragraph>
<paragraph id="8BF98B098A354C02FCB228E381EB7165" blockId="57.[189,1400,1153,1391]" pageId="57" pageNumber="58">
Median chaetigers (
<figureCitation id="137D978C8A354C02FDA828E382527096" box="[423,531,1153,1180]" captionStart="Fig" captionStartId="56.[189,232,1892,1918]" captionTargetBox="[190,1398,1127,1864]" captionTargetId="figure-345@56.[189,1398,1124,1865]" captionTargetPageId="56" captionText="Fig. 20. Nereis mezianei sp. nov., mature female (MNHN 372-T28). A. Dorsal view. B. Anterior region, dorsal view. Parapodia stained with Shirslastain-A. C. Chaetiger 2, right parapodium, anterior view (dorsal cirrus bent). D. Chaetiger 35, left parapodium, posterior view.E. Chaetiger 52, right parapodium, posterior view." figureDoi="http://doi.org/10.5281/zenodo.5724359" httpUri="https://zenodo.org/record/5724359/files/figure.png" pageId="57" pageNumber="58">Fig. 20D</figureCitation>
) with dorsal cirri slightly longer than notopodial ligules and ventral cirri. Neuracicular ligules conical, tapered, wider than long. Ventral ligule slightly shorter than neurochaetal lobe. Notochaetae 5 homogomph spinigers. Supracicular neurochaetae: with 3 homogomph spinigers and one larger heterogomph falciger, blade spinulose, about 3× as long as wide, tips incurved, tendon well defined; subacicular neurochaetae: with 2 heterogomph spinigers and 5 smaller heterogomph falcigers, blades spinulose, almost 3 × as long as wide, tips incurved, tendons well developed. Oocytes 150 μm in diameter.
</paragraph>
<paragraph id="8BF98B098A354C02FCB229EC819B7276" blockId="57.[189,1399,1422,1660]" pageId="57" pageNumber="58">
Subterminal chaetigers with dorsal cirri about 2 × as long as parapodial ligules and ventral cirri (
<figureCitation id="137D978C8A354C02FCC929D0817271C6" box="[198,307,1458,1484]" captionStart="Fig" captionStartId="56.[189,232,1892,1918]" captionTargetBox="[190,1398,1127,1864]" captionTargetId="figure-345@56.[189,1398,1124,1865]" captionTargetPageId="56" captionText="Fig. 20. Nereis mezianei sp. nov., mature female (MNHN 372-T28). A. Dorsal view. B. Anterior region, dorsal view. Parapodia stained with Shirslastain-A. C. Chaetiger 2, right parapodium, anterior view (dorsal cirrus bent). D. Chaetiger 35, left parapodium, posterior view.E. Chaetiger 52, right parapodium, posterior view." figureDoi="http://doi.org/10.5281/zenodo.5724359" httpUri="https://zenodo.org/record/5724359/files/figure.png" pageId="57" pageNumber="58">Fig. 20E</figureCitation>
). Notopodial ligules acute, about 2× as long as wide, tapered. Neurochaetal ligule conical, tapered, about 2× as long as wide. Notochaetae: 1 homogomph spiniger and 1 homogomph falciger (broken). Supracicular neurochaetae: 2 homogomph spinigers and 1 larger heterogomph falciger (blade lost); subacicular neurochaetae: 3 heterogomph spinigers and 3 smaller heterogomph falcigers, blades spinulose, about 2× as long as wide, tips incurved, tendons well defined. Ventral ligule digitate, shorter than neuracicular ligule.
</paragraph>
</subSubSection>
<subSubSection id="C35CD8828A354C01FCB22AC18271700B" lastPageId="58" lastPageNumber="59" pageId="57" pageNumber="58" type="discussion">
<paragraph id="8BF98B098A354C02FCB22AC1816E72B7" blockId="57.[189,303,1699,1725]" box="[189,303,1699,1725]" pageId="57" pageNumber="58">
<heading id="D0B13C658A354C02FCB22AC1816E72B7" bold="true" box="[189,303,1699,1725]" fontSize="11" level="3" pageId="57" pageNumber="58" reason="3">
<emphasis id="B932571B8A354C02FCB22AC1816E72B7" bold="true" box="[189,303,1699,1725]" pageId="57" pageNumber="58">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BF98B098A354C02FCB22AB0829173E8" blockId="57.[188,1399,1746,2019]" pageId="57" pageNumber="58">
<taxonomicName id="4C46F08A8A354C02FCB22AB0813672E1" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[189,375,1746,1771]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A354C02FCB22AB0813672E1" box="[189,375,1746,1771]" italics="true" pageId="57" pageNumber="58">Nereis mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A354C02FD712AB0819972E6" box="[382,472,1746,1772]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
has been recorded as “
<taxonomicName id="4C46F08A8A354C02FEEA2AB0840C72E6" authority="&quot; de Quatrefages, 1866" authorityName="&quot; de Quatrefages" authorityYear="1866" baseAuthorityName="de Quatrefages" baseAuthorityYear="1866" box="[741,1101,1746,1772]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="falsa">
<emphasis id="B932571B8A354C02FEEA2AB0830172E6" box="[741,832,1746,1772]" italics="true" pageId="57" pageNumber="58">N. falsa</emphasis>
” de Quatrefages, 1866
</taxonomicName>
from the Gulf of
<collectingCountry id="F351CB998A354C02F9152AB0853372E6" box="[1306,1394,1746,1772]" name="Guinea-Bissau" pageId="57" pageNumber="58">Guinea</collectingCountry>
, herein regarded as resembling
<taxonomicName id="4C46F08A8A354C02FE352A9482957305" authorityName="Grube" authorityYear="1840" box="[570,724,1781,1807]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="splendida">
<emphasis id="B932571B8A354C02FE352A9482957305" box="[570,724,1781,1807]" italics="true" pageId="57" pageNumber="58">N. splendida</emphasis>
</taxonomicName>
instead. However, these two species differ in relevant pharyngeal and parapodial features, and the main difference is that
<taxonomicName id="4C46F08A8A354C02FFC52B7B84127338" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[970,1107,1817,1842]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A354C02FFC52B7B84127338" box="[970,1107,1817,1842]" italics="true" pageId="57" pageNumber="58">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A354C02F8552B7B84F57339" box="[1114,1204,1817,1843]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
has a single row of paragnaths in areas VIIVIII, whereas
<taxonomicName id="4C46F08A8A354C02FE912B5E8373735F" authorityName="Grube" authorityYear="1840" box="[670,818,1851,1877]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="splendida">
<emphasis id="B932571B8A354C02FE912B5E8373735F" box="[670,818,1851,1877]" italics="true" pageId="57" pageNumber="58">N. splendida</emphasis>
</taxonomicName>
has 23 rows. Furthermore, because the posterior eyes are partially covered by the anterior margin of the tentacular belt,
<taxonomicName id="4C46F08A8A354C02FFF62B3D84C27372" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[1017,1155,1887,1912]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A354C02FFF62B3D84C27372" box="[1017,1155,1887,1912]" italics="true" pageId="57" pageNumber="58">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A354C02F8842B3D84A47373" box="[1163,1253,1887,1913]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
groups with
<taxonomicName id="4C46F08A8A354C02FCB22BE082607394" authority="Grube &amp; Orsted" authorityName="Grube &amp; Orsted" box="[189,545,1922,1950]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="marginata">
<emphasis id="B932571B8A354C02FCB22BE081187391" box="[189,345,1922,1947]" italics="true" pageId="57" pageNumber="58">N. marginata</emphasis>
Grube &amp; Örsted
</taxonomicName>
in
<bibRefCitation id="EFD7F6F88A354C02FE452BE0829F7396" author="Grube A. E." box="[586,734,1921,1948]" pageId="57" pageNumber="58" pagination="158 - 186" refId="ref42608" refString="Grube A. E. 1857. Annulata orstediana. Enumeratio Annulatorum, quae in itinere per Indiam occidentalem et Americam centralem annis 1845 - 1848 suscepto legit cl. A. S. Orsted, adjectis speciebus nonnullis a cl. H. Kroyero in itinere ad Americam meridionalem collectis, (Fortsaettelse [continued]). 2. Familia Euniceae - F. Syllidea. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening for 1857: 158 - 186. Available from https: // www. biodiversitylibrary. org / item / 110674 # page / 159 / mode / 1 up [accessed 16 Sep. 2021]." type="journal article" year="1857">Grube, 1857</bibRefCitation>
from the Caribbean Sea, and with
<taxonomicName id="4C46F08A8A354C02F88F2BE085367396" authority="Ehlers, 1868" authorityName="Ehlers" authorityYear="1868" box="[1152,1399,1922,1948]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A354C02F88F2BE0849B7391" box="[1152,1242,1922,1947]" italics="true" pageId="57" pageNumber="58">N. rava</emphasis>
<bibRefCitation id="EFD7F6F88A354C02F8EE2BE085367396" author="Ehlers E." box="[1249,1399,1922,1948]" pageId="57" pageNumber="58" pagination="269 - 748" refId="ref41422" refString="Ehlers E. 1868. Die Borstenwurmer (Annelida Chaetopoda) nach systematischen und anatomischen Untersuchungen dargestellt 2: 269 - 748. Wilhelm Engelmann, Leipzig. Available from https: // www. biodiversitylibrary. org / page / 1985162 # page / 321 / mode / 1 up [accessed 16 Sep. 2021]." type="journal article" year="1868">Ehlers, 1868</bibRefCitation>
</taxonomicName>
from the Mediterranean Sea. However,
<taxonomicName id="4C46F08A8A354C02FEAF2BC4836F73B5" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[672,814,1958,1983]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="57" pageNumber="58" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A354C02FEAF2BC4836F73B5" box="[672,814,1958,1983]" italics="true" pageId="57" pageNumber="58">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A354C02FF352BC783D973B5" box="[826,920,1957,1983]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
can be separated from these two other species because its tentacular cirri are longer.
</paragraph>
<paragraph id="8BF98B098A364C01FCB22D6B822776E7" blockId="58.[188,1401,265,749]" pageId="58" pageNumber="59">
Nevertheless,
<taxonomicName id="4C46F08A8A364C01FD672D6881B77529" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[360,502,266,291]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A364C01FD672D6881B77529" box="[360,502,266,291]" italics="true" pageId="58" pageNumber="59">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A364C01FE0C2D6B82237529" box="[515,610,265,291]" pageId="58" pageNumber="59" rank="species">sp. nov.</taxonomicNameLabel>
approaches
<taxonomicName id="4C46F08A8A364C01FEF22D68831B7529" authorityName="Ehlers" authorityYear="1868" box="[765,858,266,291]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01FEF22D68831B7529" box="[765,858,266,291]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
</taxonomicName>
by having dorsal and median ligules in the posterior parapodia of similar width. Although the depth of the sampling site was not given in the original description of
<taxonomicName id="4C46F08A8A364C01FDC12D3282677563" authorityName="Ehlers" authorityYear="1868" box="[462,550,336,361]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01FDC12D3282677563" box="[462,550,336,361]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
</taxonomicName>
, the
<typeStatus id="54FD35AB8A364C01FE6D2D3282D47560" box="[610,661,336,362]" pageId="58" pageNumber="59">type</typeStatus>
locality (Gulf of Quarnero) has a maximaum depth of
<specimenCount id="9D4040808A364C01F92B2D2D85367560" box="[1316,1399,335,362]" pageId="58" pageNumber="59" type="generic">
<quantity id="4CBE26EC8A364C01F92B2D2D85337560" box="[1316,1394,335,362]" metricMagnitude="2" metricUnit="m" metricValue="1.28" pageId="58" pageNumber="59" unit="m" value="128.0">128 m</quantity>
.
</specimenCount>
There are at least three different morphs regarded as belonging to
<taxonomicName id="4C46F08A8A364C01FFC82D1184617586" authorityName="Ehlers" authorityYear="1868" box="[967,1056,371,396]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01FFC82D1184617586" box="[967,1056,371,396]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
</taxonomicName>
in the Mediterranean region, and it has been reported from sediments in depths of
<quantity id="4CBE26EC8A364C01FF2F2DF483F275BA" box="[800,947,406,433]" metricMagnitude="2" metricUnit="m" metricValue="9.075" metricValueMax="16.85" metricValueMin="1.3" pageId="58" pageNumber="59" unit="m" value="907.5" valueMax="1685.0" valueMin="130.0">1301685 m</quantity>
(
<bibRefCitation id="EFD7F6F88A364C01FFCE2DF484D075BB" author="Fauvel P." box="[961,1169,406,433]" pageId="58" pageNumber="59" pagination="1 - 432" refId="ref41858" refString="Fauvel P. 1914. Annelides polychetes non pelagiques provenant des Campagnes de l' Hirondelle et de la Princesse-Alice (1885 - 1910). Resultats des Campagnes scientifiques accomplies sur son Yacht par Albert 1 er, Prince souverain de Monaco 46: 1 - 432. Available from https: // www. biodiversitylibrary. org / page / 2117722 # page / 9 / mode / 1 up [accessed 16 Sep. 2021]." type="journal article" year="1914">Fauvel 1914: 169</bibRefCitation>
). Herein, we follow
<bibRefCitation id="EFD7F6F88A364C01FCB32DDB81F975DE" author="Gravina M. F. &amp; Lezzi M. &amp; Bonifazi A. &amp; Giangrande A." box="[188,440,441,468]" pageId="58" pageNumber="59" pagination="147 - 164" refId="ref42449" refString="Gravina M. F., Lezzi M., Bonifazi A. &amp; Giangrande A. 2015. The genus Nereis L., 1758 (Polychaeta, Nereididae); state of the art for identification of Mediterranean species. Atti della Societa toscana di Scienze naturali, Memorie, serie B 122: 147 - 164." type="journal article" year="2015">
Gravina
<emphasis id="B932571B8A364C01FD2A2DD8811B75D9" box="[293,346,441,467]" italics="true" pageId="58" pageNumber="59">et al</emphasis>
. (2015)
</bibRefCitation>
regarding the specific features of
<taxonomicName id="4C46F08A8A364C01FF5C2DD883EC75D9" authorityName="Ehlers" authorityYear="1868" box="[851,941,442,467]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01FF5C2DD883EC75D9" box="[851,941,442,467]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
</taxonomicName>
.
<taxonomicName id="4C46F08A8A364C01FFB22DD8843B75D9" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[957,1146,442,467]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A364C01FFB22DD8843B75D9" box="[957,1146,442,467]" italics="true" pageId="58" pageNumber="59">Nereis mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A364C01F88B2DDB84A175D9" box="[1156,1248,441,467]" pageId="58" pageNumber="59" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="4C46F08A8A364C01F9112DD8853875D9" authorityName="Ehlers" authorityYear="1868" box="[1310,1401,442,467]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01F9112DD8853875D9" box="[1310,1401,442,467]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
</taxonomicName>
have corrugate or articulate tentacular cirri. They especially differ in pigmentation pattern, in the relative size of tentacular cirri and in some parapodial features. In
<taxonomicName id="4C46F08A8A364C01FF512E6283A97613" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[862,1000,512,537]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A364C01FF512E6283A97613" box="[862,1000,512,537]" italics="true" pageId="58" pageNumber="59">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A364C01FFE02E62840A7610" box="[1007,1099,512,538]" pageId="58" pageNumber="59" rank="species">sp. nov.</taxonomicNameLabel>
, anterior segments have a solid brownish pigmentation, their longest tentacular cirri reach chaetigers 78, and the ventral ligule is longer than the neuracicular ligule, whereas in
<taxonomicName id="4C46F08A8A364C01FED02E258377766A" authorityName="Ehlers" authorityYear="1868" box="[735,822,583,608]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01FED02E258377766A" box="[735,822,583,608]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
</taxonomicName>
, anterior segments have two transverse brownish bands, their longest tentacular cirri reach chaetigers 23, and the neuracicular ligule is as long as the ventral ligule. Another important difference relies on mature females. In
<taxonomicName id="4C46F08A8A364C01F8082EEF84D076AC" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[1031,1169,653,678]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A364C01F8082EEF84D076AC" box="[1031,1169,653,678]" italics="true" pageId="58" pageNumber="59">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A364C01F8982EEF84B276AD" box="[1175,1267,653,679]" pageId="58" pageNumber="59" rank="species">sp. nov.</taxonomicNameLabel>
, there is no metamorphosis or parapodial modification in mature females, whereas female heteronereis are known for
<taxonomicName id="4C46F08A8A364C01FCE82EB1822376E7" authority="(Nunez 2004: 374 - 375)" baseAuthorityName="Nunez" baseAuthorityPageNumber="374 - 375" baseAuthorityYear="2004" box="[231,610,722,749]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="rava">
<emphasis id="B932571B8A364C01FCE82EB1817E76E6" box="[231,319,723,748]" italics="true" pageId="58" pageNumber="59">N. rava</emphasis>
(
<bibRefCitation id="EFD7F6F88A364C01FD412EB1821876E7" author="Nunez J." box="[334,601,722,749]" pageId="58" pageNumber="59" pagination="293 - 390" refId="ref44541" refString="Nunez J. 2004. Familia Nereididae Savigny, 1822. Fauna Iberica 25: 293 - 390." type="journal article" year="2004">Núñez 2004: 374375</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
<paragraph id="8BF98B098A364C01FCB22F778271700B" blockId="58.[188,1400,788,1026]" pageId="58" pageNumber="59">
<taxonomicName id="4C46F08A8A364C01FCB22F7781387724" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[189,377,789,814]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A364C01FCB22F7781387724" box="[189,377,789,814]" italics="true" pageId="58" pageNumber="59">Nereis mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A364C01FD8D2F77819F7725" box="[386,478,789,815]" pageId="58" pageNumber="59" rank="species">sp. nov.</taxonomicNameLabel>
also resembles
<taxonomicName id="4C46F08A8A364C01FE912F7783F97725" authority="Fauvel, 1953" authorityName="Fauvel" authorityYear="1953" box="[670,952,788,815]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="caparti">
<emphasis id="B932571B8A364C01FE912F7783577724" box="[670,790,789,814]" italics="true" pageId="58" pageNumber="59">N. caparti</emphasis>
Fauvel, 1953
</taxonomicName>
described from off
<collectingCountry id="F351CB998A364C01F8AA2F76854C7724" box="[1189,1293,788,814]" name="Namibia" pageId="58" pageNumber="59">Namibia</collectingCountry>
, because they have the longest tentacular cirri reaching chaetiger 78, parapodial ligules tapered and pharynx areas VIIVIII with a single row of paragnaths. They differ, however, because in
<taxonomicName id="4C46F08A8A364C01F8882F398553777E" authority="Salazar-Vallejo &amp; León-González &amp; Conde-Vela, 2021" authorityName="Salazar-Vallejo &amp; León-González &amp; Conde-Vela" authorityYear="2021" box="[1159,1298,859,884]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="mezianei" status="sp. nov.">
<emphasis id="B932571B8A364C01F8882F398553777E" box="[1159,1298,859,884]" italics="true" pageId="58" pageNumber="59">N. mezianei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A201EA608A364C01F9142F398536777F" box="[1307,1399,859,885]" pageId="58" pageNumber="59" rank="species">sp. nov.</taxonomicNameLabel>
the posterior eyes are partially covered by the anterior margin of first segment, notopodial ligules are of similar length and width, and compound notofalcigers have spinulose blades, whereas in
<taxonomicName id="4C46F08A8A364C01F8F72FC0852E77B1" authorityName="Fauvel" authorityYear="1953" box="[1272,1391,930,955]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="58" pageNumber="59" phylum="Annelida" rank="species" species="caparti">
<emphasis id="B932571B8A364C01F8F72FC0852E77B1" box="[1272,1391,930,955]" italics="true" pageId="58" pageNumber="59">N. caparti</emphasis>
</taxonomicName>
, posterior eyes are fully exposed, dorsal ligules are progressively longer than median ones, and the blades of the notofalcigers are smooth.
</paragraph>
</subSubSection>
<subSubSection id="C35CD8828A364C01FCB22852857D7073" box="[189,1340,1072,1146]" pageId="58" pageNumber="59" type="distribution">
<paragraph id="8BF98B098A364C01FCB2285281177040" blockId="58.[189,342,1072,1098]" box="[189,342,1072,1098]" pageId="58" pageNumber="59">
<heading id="D0B13C658A364C01FCB2285281177040" bold="true" box="[189,342,1072,1098]" fontSize="11" level="3" pageId="58" pageNumber="59" reason="3">
<emphasis id="B932571B8A364C01FCB2285281177040" bold="true" box="[189,342,1072,1098]" pageId="58" pageNumber="59">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="8BF98B098A364C01FCB2283D857D7073" blockId="58.[189,1340,1119,1146]" box="[189,1340,1119,1146]" pageId="58" pageNumber="59">
<collectingCountry id="F351CB998A364C01FCB2283D815B7073" box="[189,282,1119,1145]" name="Senegal" pageId="58" pageNumber="59">Senegal</collectingCountry>
to
<collectingCountry id="F351CB998A364C01FD30283D82587073" box="[319,537,1119,1145]" name="Equatorial Guinea" pageId="58" pageNumber="59">Equatorial Guinea</collectingCountry>
, Western Africa, in shallow subtidal sediments in depths up to
<specimenCount id="9D4040808A364C01F8F6283D857D7073" box="[1273,1340,1119,1146]" pageId="58" pageNumber="59" type="generic">
<quantity id="4CBE26EC8A364C01F8F6283D85797073" box="[1273,1336,1119,1146]" metricMagnitude="1" metricUnit="m" metricValue="7.5" pageId="58" pageNumber="59" unit="m" value="75.0">75 m</quantity>
.
</specimenCount>
</paragraph>
</subSubSection>
</treatment>
</document>