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<document id="932088B8214CF874D98856B976DCF09C" ID-DOI="10.3897/zookeys.1221.128260" ID-ZooBank="EE34B942-57D8-456C-A6D5-F8046BB3A71E" ID-publisher-id="128260" URI-arpha="195259A7-123E-5C3B-92CB-85F177F902A1" URI-zoobank="http://zoobank.org/EE34B942-57D8-456C-A6D5-F8046BB3A71E" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.taxonomicNames_approvedBy="admin" article-type="research-article" checkinTime="1734081380711" checkinUser="pensoft" docAuthor="Cuadrado, Daniel, Hernández-Gonzalez, Alejandro, Noreña, Carolina &amp; Simões, Nuno" docDate="2024" docId="F1CC6F2F6D665DF9BBCFCD58A1A0F136" docLanguage="en" docName="ZooKeys 1221: 103-144" docOrigin="ZooKeys 1221" docSource="https://zookeys.pensoft.net/article/128260/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Gnesioceros sargassicola Mertens 1832" docType="treatment" docVersion="2" dtd-version="3.0" lastPageNumber="144" masterDocId="195259A7123E5C3B92CB85F177F902A1" masterDocTitle="Polyclads (Platyhelminthes) in the southern Gulf of Mexico: unveiling biodiversity and descriptions of two new species" masterLastPageNumber="144" masterPageNumber="103" pageNumber="103" updateTime="1734631564605" updateUser="admin">
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<mods:title id="DBF7779AE5F4BC0EDE8A60078B11106B">Polyclads (Platyhelminthes) in the southern Gulf of Mexico: unveiling biodiversity and descriptions of two new species</mods:title>
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<mods:name id="E1A13AC85402976ECA2C129FB41F572F" type="personal">
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<mods:namePart id="53476FB221A1C510B525E3444E7181E3">Cuadrado, Daniel</mods:namePart>
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<mods:affiliation id="58E8E611B42B6436CD6BD89F9F9D0B0A">Department of Biodiversity and Evolutionary Biology, National Museum of Natural Science, MNCN (CSIC), Madrid 28006, Spain</mods:affiliation>
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<mods:namePart id="A0CFD8E90B45E80FFF1163F5EB3DC7CC">Hernández-Gonzalez, Alejandro</mods:namePart>
<mods:nameIdentifier id="94340E9D8981F29B79AE9BE214E18496" type="ORCID">0000-0002-1557-5582</mods:nameIdentifier>
<mods:affiliation id="724C659E42A67554B5CC62FF33389048">Universidad Nacional Autónoma de México, Merida, Mexico</mods:affiliation>
</mods:name>
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<mods:namePart id="970EDB6FAA45BB4EB0EC4493F7634F41">Noreña, Carolina</mods:namePart>
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<mods:affiliation id="9C34BA84BABF05A9A75DCF57CF30CA83">Department of Biodiversity and Evolutionary Biology, National Museum of Natural Science, MNCN (CSIC), Madrid 28006, Spain</mods:affiliation>
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<mods:namePart id="CA9FB47903C534997641F8269EFE6C6E">Simões, Nuno</mods:namePart>
<mods:nameIdentifier id="EB9F43DF6BCF3A7C6EFD2A89F9183F6E" type="ORCID">0000-0001-7490-3147</mods:nameIdentifier>
<mods:affiliation id="3B50713B6924A4E1623614FF118F2D7F">Universidad Nacional Autónoma de México, Merida, Mexico &amp; Laboratorio Nacional de Resiliencia Costera, México, Mexico &amp; International Chair for Coastal and Marine Studies, Harte Research Institute for Gulf of Mexico Studies, Corpus Christi, USA</mods:affiliation>
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<mods:typeOfResource id="C7BD4B94EBA3D4B788BC545E7FB8C158">text</mods:typeOfResource>
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<mods:date id="1FED020CDA51CFFDAB9B93790BD252C8">2024</mods:date>
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<mods:number id="B57D11515EA9044B8E3076DE659B8DA8">2024-12-13</mods:number>
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<mods:detail id="1FD845145F5427575FEE8EE91DAA3CAE" type="volume">
<mods:number id="5D42BF4F5A3AFF7671966795A36A76D2">1221</mods:number>
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<mods:identifier id="9429F4478EC492AA7F48CF7EC204A79D" type="DOI">10.3897/zookeys.1221.128260</mods:identifier>
<mods:identifier id="D33E46E867D427C36F6C67C60554CE1F" type="ZooBank">EE34B942-57D8-456C-A6D5-F8046BB3A71E</mods:identifier>
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<treatment id="F1CC6F2F6D665DF9BBCFCD58A1A0F136" ID-arpha="F1CC6F2F-6D66-5DF9-BBCF-CD58A1A0F136" LSID="urn:lsid:plazi:treatment:F1CC6F2F6D665DF9BBCFCD58A1A0F136" httpUri="http://treatment.plazi.org/id/F1CC6F2F6D665DF9BBCFCD58A1A0F136" scope_family="Gnesiocerotidae" scope_order="Polycladida" scope_phylum="Platyhelminthes">
<subSubSection id="BFABF0334C3771ACDF95E8E932FDC274" type="nomenclature">
<paragraph id="5AB8D8767BAB90818A2B0D4E7401A9AD">
<taxonomicName id="E16FA9813EC6689D43526D9A462ABA94" ID-CoL="6KN9T" authority="Mertens, 1832" authorityName="Mertens" authorityYear="1832" family="Gnesiocerotidae" genus="Gnesioceros" kingdom="Animalia" order="Polycladida" phylum="Platyhelminthes" rank="species" species="sargassicola">
<emphasis id="76059AB537DD23743F54D88013AD91EB" italics="true">Gnesioceros sargassicola</emphasis>
Mertens, 1832
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="38F4221C18E0A181069B5B7497A98D45" type="description">
<paragraph id="18FAEF8029E66B6D2EBA48C3258972C8">
<figureCitation id="924303F2AC4C396849C86DBF8047D2C9" captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. A Gnesioceros sargassicola Photograph in situ of the specimen captured B E Idioplana atlantica B dorsal view of a live individual photographed on a black background C specimen photographed after fixation D, E specimens photographed in situ with the characteristic pigmentation rings." figureDoi="10.3897/zookeys.1221.128260.figure23" httpUri="https://binary.pensoft.net/fig/1197995">Fig. 23 A</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EUACI" type="material">
<paragraph id="0FD62E392495C60E6102CB1327963924">
<heading id="2E3EEB268C05D5615B3E8D620D43C92F" reason="title">Material examined.</heading>
</paragraph>
<paragraph id="8D3AA017CC39753CE09D6D6B76522CD2">
<materialsCitation id="47E2A3246D0C82A316CD9C6A732AC290" collectingDate="2018-03-17" collectionCode="CRPPY" collectorName="A. Hernandez" country="Mexico" elevation="8" latitude="18.6" location="Mahahual" longLatPrecision="7654" longitude="-87.7" specimenCode="CRPPY-0037" specimenCount="1" stateProvince="Quintana Roo">
<emphasis id="870F49B8B28E8B7C5BB8B19FE618D6E7" bold="true">
<collectingRegion id="620C70CDF22BE14B27F8994F6DAA8F25" country="Mexico" name="Quintana Roo">Quintana Roo</collectingRegion>
coast,
<collectingCountry id="12964C06731877D428C0C4FBED2244E5" name="Mexico">Mexico</collectingCountry>
</emphasis>
• 2;
<location id="265D70FFCD0EF6CC3CBE13CC01A4CEB7" LSID="urn:lsid:plazi:treatment:F1CC6F2F6D665DF9BBCFCD58A1A0F136:265D70FFCD0EF6CC3CBE13CC01A4CEB7" country="Mexico" latitude="18.6" longLatPrecision="7654" longitude="-87.7" name="Mahahual" stateProvince="Quintana Roo">Mahahual</location>
;
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E6ACI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[-87.700000,18.600000]}">
<geoCoordinate id="01D9AF017EF10CD33590388CD0E72DB4" degrees="18.6" direction="north" orientation="latitude" precision="5555" value="18.6">18.6°N</geoCoordinate>
,
<geoCoordinate id="8DF980FD4C6100BD3F1DA0D9F2597A4B" degrees="87.7" direction="west" orientation="longitude" precision="5555" value="-87.7">87.7°W</geoCoordinate>
</named-content>
;
<quantity id="C71940C5C18AA42CA2E4C3326530877D" metricMagnitude="0" metricUnit="m" metricValue="7.7" unit="m" value="7.7">
<elevation id="28D72FA1617408D536534F50DAD93F74" metricMagnitude="0" metricUnit="m" metricValue="7.7" unit="m" value="7.7">7.7 m</elevation>
</quantity>
;
<date id="97CC2EC262EBEE1F85CFFE9F1B5EAF22" value="2018-03-17">
<collectingDate id="D1C9DC4ABCDF97EE5A6F66ACCEB99898" value="2018-03-17">17 Mar. 2018</collectingDate>
</date>
;
<collectorName id="0ACFF430FB9DB9F20D5DCD85532AA240">A. Hernández</collectorName>
leg.;
<specimenCode id="0FD7DAE77CFE4E61CEC5F5F170D75D07">
<abbrev content-type="institution" id="ABBRID0EEBCI" xlink_title="Colección regional de Policladidos de la Península del Yucatán, Mexico">CRPPY</abbrev>
-0037
</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EJBCI" type="distribution">
<paragraph id="4010786AB91DF7A7DB4D195528A92B66">
<heading id="F6E5978D345F710D8DD06253854F2516" reason="title">Distribution.</heading>
</paragraph>
<paragraph id="B4B518EB99E2171C8BC3124D36218FC4">
Currently,
<taxonomicName id="42B006E113A41223029FEF121E362229" authorityName="Mertens" authorityYear="1832" family="Gnesiocerotidae" genus="Gnesioceros" kingdom="Animalia" order="Polycladida" phylum="Platyhelminthes" rank="species" species="sargassicola">
<emphasis id="54CD5EBA41094BFAB2C80F12E2382ED6" italics="true">Gnesioceros sargassicola</emphasis>
</taxonomicName>
is known from
<collectingCountry id="01FCCDF2672F8A860BA22B61A13C3C24" name="Bermuda">Bermuda</collectingCountry>
(
<bibRefCitation id="B1D7350243D147479E7BECB37A0C2A1A" DOI="10.2307/1537854" author="Hyman" firstAuthor="Hyman" refId="B26" refString="Hyman LH (1939) Some polyclads of the New England coast, especially of the Woods Hole region. Biological Bulletin of the Marine Biological 127152. https://doi.org/10.2307/1537854" year="1939">Hyman 1939</bibRefCitation>
) and Florida to Texas, Gulf of
<collectingCountry id="5AF832710EFFA8B9A85517101F665530" name="Mexico US">Mexico US</collectingCountry>
coast (
<bibRefCitation id="4518CEAE704D21B8A9DFF20FB13D1DD4" author="Hyman" firstAuthor="Hyman" journalOrPublisher="Fishery Bulletin of the Fish and Wildlife Service, United States" pagination="301-302" refId="B31" refString="Hyman LH (1954) Free-living flatworms (Turbellaria) of the Gulf of Mexico. Fishery Bulletin of the Fish and Wildlife Service, United States 55: 301302. http://hdl.handle.net/1969.3/19215" title="Free-living flatworms (Turbellaria) of the Gulf of Mexico." url="http://hdl.handle.net/1969.3/19215" volume="55" year="1954">Hyman 1954</bibRefCitation>
); on
<taxonomicName id="4AAD40AA52D4FF4CCA4F3AFBBA478A46" authorityName="C. Agardh" authorityYear="1820" class="Phaeophyceae" family="Sargassaceae" genus="Sargassum" kingdom="Chromista" order="Fucales" phylum="Ochrophyta" rank="genus">
<emphasis id="C3312EACAE66B1A7DB11B0627C4DE5F8" italics="true">Sargassum</emphasis>
</taxonomicName>
algae, near the west coast of Africa (
<bibRefCitation id="2937AF9BF11EB5481207574EC291AA0E" DOI="10.1242/jcs.s2-17.65.23" author="Moseley" firstAuthor="Moseley" journalOrPublisher="Microscopical Journal" pagination="23-32" refId="B46" refString="Moseley HN (1877) On Stylochus Pelagicus, a new species of pelagic planarian, with notes on other pelagic species, on the larval forms of Thysanozoon, and of a gymnosomatous pteropod. Microscopical Journal 17: 2332. https://doi.org/10.1242/jcs.s2-17.65.23" title="On Stylochus Pelagicus, a new species of pelagic planarian, with notes on other pelagic species, on the larval forms of Thysanozoon, and of a gymnosomatous pteropod." volume="17" year="1877">Moseley 1877</bibRefCitation>
);
<collectingRegion id="A2EBFD3F150FE8BE690C9738FA192A34" country="Cape Verde" name="Boa Vista">Boa Vista</collectingRegion>
Island,
<collectingCountry id="BB92EE276AB19C96DB2CE14015680DA0" name="Cape Verde">Cape Verde</collectingCountry>
(
<bibRefCitation id="A0250272396690E409A674981F422181" author="Laidlaw" firstAuthor="Laidlaw" issue="2" journalOrPublisher="Proceedings of the Zoological Society of London" pagination="99-13" refId="B34" refString="Laidlaw FF (1903) On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland in the years of 1901 and 1902. Turbellaria Polycladida. Part I. The Acotylea. Proceedings of the Zoological Society of London 1903 (2): 9913." title="On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland in the years of 1901 and 1902. - Turbellaria Polycladida. Part I. The Acotylea." volume="1903" year="1903">Laidlaw 1903</bibRefCitation>
); Gaira Bay,
<collectingCountry id="1C90667E44CE86EA03BCBA75848B44B9" name="Colombia">Colombia</collectingCountry>
(
<bibRefCitation id="D44EC7EBCEE6BC86633A5BD5EBEC5A81" author="Quiroga" firstAuthor="Quiroga" refId="B60" refString="Quiroga SY (2008) Systematics and Taxonomy of Polyclad Flatworms with a special emphasis on the morphology of the nervous system. University of New Hampshire 110." year="2008">Quiroga 2008</bibRefCitation>
);
<collectingCountry id="EFE6B51AE3BB9BC3346E11B2B6CCCADC" name="Curaçao">Curaçao</collectingCountry>
,
<collectingCountry id="60AFEFE4808097689F190F8E4997FA8C" name="Bonaire, Sint Eustatius and Saba">Bonaire</collectingCountry>
, Little
<collectingCountry id="ED6696DFA8EBC38D573CC2FC0B9FFA6F" name="Bonaire, Sint Eustatius and Saba">Bonaire</collectingCountry>
, (
<collectingCountry id="9734A34213627FCD7FC475682E9BE04C" name="Curaçao">Netherlands Antilles</collectingCountry>
, Caribbean),
<collectingCountry id="380773A1F800B6CCDF5F6B33FBC917F7" name="Saint Barthelemy">Saint Barthelemy</collectingCountry>
,
<collectingCountry id="CE1C6FD141ECA020C1D7B028115B2FE7" name="France">France</collectingCountry>
Antilles; Bahia Fosforescente,
<collectingCountry id="34FB43BE58047E8FE4E7D57AD4E325CA" name="Puerto Rico">Puerto Rico</collectingCountry>
; Marine Biological Station,
<collectingRegion id="A8A0CDAAD0180ABB253B4382DAC5BB62" country="United States of America" name="Virginia">Virginia</collectingRegion>
Key,
<collectingRegion id="154A634EFF3A20BCB6280B1936D6976B" country="United States of America" name="Florida">Florida</collectingRegion>
,
<collectingCountry id="29479054FDA5DDA484A8371204BAAB22" name="United States of America">USA</collectingCountry>
; Central Atlantic Ocean, Sargasso Sea (
<bibRefCitation id="E67773281D9A74B5C024389B1184E842" author="Marcus and Marcus" firstAuthor="Marcus" journalOrPublisher="Studies on the Fauna of Curaao and other Caribbean Islands" pagination="1-134" refId="B44" refString="Marcus E, Marcus E (1968) Polycladida from Curaao and faunistically related regions. Studies on the Fauna of Curaao and other Caribbean Islands 26: 1134." title="Polycladida from Curaao and faunistically related regions." volume="26" year="1968">Marcus and Marcus 1968</bibRefCitation>
). New record for the coasts of Mahahual, Quintana Roo (Mexican Caribbean).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EZCCI" type="description">
<paragraph id="443DE78D64E6EC3F3AA8E620ABC95565">
<heading id="73885A5ADDAF9A8A6B69D8B79E2F9D26" reason="title">Description.</heading>
</paragraph>
<paragraph id="23CFDE509516F7A50B2D1A6A229C108E">
Dorsoventrally flattened body, anteriorly widened with a shallow constriction after the tentacles, undulated body margins, and a blunt-tailed posterior end,
<quantity id="A3F61C176E96B42BB394D3DF5B8DCC15" metricMagnitude="-3" metricUnit="m" metricValue="8.0" unit="cm" value="0.8">0.8 cm</quantity>
in length and
<quantity id="FE2EE04CD9C40DD28D65FF9E068411F5" metricMagnitude="-3" metricUnit="m" metricValue="3.0" unit="cm" value="0.3">0.3 cm</quantity>
in width. Yellowish grey background colouration with numerous, rounded, orange or brown spots. Narrow elongated pharyngeal pouch with a central oral opening (Fig.
<figureCitation id="42B88B0595B62E7893981CA77BC52301" captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. A Gnesioceros sargassicola Photograph in situ of the specimen captured B E Idioplana atlantica B dorsal view of a live individual photographed on a black background C specimen photographed after fixation D, E specimens photographed in situ with the characteristic pigmentation rings." figureDoi="10.3897/zookeys.1221.128260.figure23" httpUri="https://binary.pensoft.net/fig/1197995">23 A</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDDCI" type="biology">
<paragraph id="98E67898C0389EE45F0DC6B5F8EB7FB8">
<heading id="1EE3AF9EDFB1A3240209CD2992C3648D" reason="title">Biology.</heading>
</paragraph>
<paragraph id="1FBD3D9FA8BF29833E74D1BCA5B4F14C">
Associated with
<taxonomicName id="D83FB44D60331F536E58E7192206048A" authorityName="C. Agardh" authorityYear="1820" class="Phaeophyceae" family="Sargassaceae" genus="Sargassum" kingdom="Chromista" order="Fucales" phylum="Ochrophyta" rank="genus">
<emphasis id="0808E8C67F0ABB3E37E90B25DEB17AD7" italics="true">Sargassum</emphasis>
</taxonomicName>
algae.
</paragraph>
<caption id="EA7296863C3609C260D36D904E5F3F38" ID-DOI="10.3897/zookeys.1221.128260.figure23" ID-arpha="F0504572-315F-5554-975B-181FFBB3C4C4" httpUri="https://binary.pensoft.net/fig/1197995" startId="F23">
<paragraph id="356DEF2F68CE6ECFDECB5A35C3D3B8D0">
<label id="2202EBF8E4D986DC3C7066BDE9EA7FCE">Figure 23.</label>
</paragraph>
<paragraph id="4C4D42089AB0AB9604E2259C991A1D26">
<emphasis id="3B547139C8B6B550CAEFDF85E34E3F35" bold="true">A</emphasis>
<taxonomicName id="0DF3C3AF9BFF355C7E2B637987E68E6D" authority="Photograph" authorityName="Photograph" family="Gnesiocerotidae" genus="Gnesioceros" kingdom="Animalia" order="Polycladida" phylum="Platyhelminthes" rank="species" species="sargassicola">
<emphasis id="16562926D64F0CEC8681478E8D3809A4" italics="true">Gnesioceros sargassicola</emphasis>
Photograph
</taxonomicName>
in situ of the specimen captured
<emphasis id="8E8CF9451A5A838505143C6C3B00790A" bold="true">B E</emphasis>
<taxonomicName id="B2F3B0CA5E1ABEB2DC16B326A6AA21F9" baseAuthorityName="Bock" baseAuthorityYear="1913" family="Idioplanidae" genus="Idioplana" kingdom="Animalia" order="Polycladida" phylum="Platyhelminthes" rank="species" species="atlantica">
<emphasis id="A8A9FBD3D0939C589CB37AEA216ACD71" italics="true">Idioplana atlantica</emphasis>
</taxonomicName>
<emphasis id="EABE481EA777475EDD05B06C07049BDC" bold="true">B</emphasis>
dorsal view of a live individual photographed on a black background
<emphasis id="E3EA5E2F30B826AFAE9040D93378602B" bold="true">C</emphasis>
specimen photographed after fixation
<emphasis id="9C61C51D2331091F4FAE45A7BC894041" bold="true">D, E</emphasis>
specimens photographed in situ with the characteristic pigmentation rings.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>