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<document id="E9866F91F0A62F97B791C6D981DFB937" ID-DOI="10.3897/zoologia.38.e65001" ID-ZooBank="A417A7BD-9459-43AD-8FAE-42151BE7D733" ID-publisher-id="65001" URI-arpha="062AA804-1299-5853-8E64-4A9AF7EA1BFC" URI-zenodo_dep_id="5219823" URI-zoobank="http://zoobank.org/A417A7BD-9459-43AD-8FAE-42151BE7D733" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" article-type="research-article" checkinTime="1723475328472" checkinUser="pensoft" docAuthor="de Freitas, Álvaro J. B., Bezerra, Carine A. M., Meneses, Yuri C., Justo, Marcia Cristina N., Viana, Diego C. &amp; Cohen, Simone C." docDate="2021" docId="C42706563D605A5FA983098194EFDA69" docLanguage="en" docName="Zoologia 38: 1-11" docOrigin="Zoologia 38" docSource="https://zoologia.pensoft.net/article/65001/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Urocleidoides boulengerellae Freitas, Bezerra, Meneses, Justo, Viana &amp; Cohen, 2021, sp. nov." docType="treatment" docUuid="3E609A35-9326-4217-83FF-37D5C33435D5" docUuidSource="ZooBank" docVersion="3" dtd-version="3.0" lastPageNumber="11" masterDocId="062AA804129958538E644A9AF7EA1BFC" masterDocTitle="Three new species of Urocleidoides (Monogenoidea: Dactylogyridae) parasitizing characiforms (Actinopterygii: Characiformes) in Tocantins River, states of Tocantins and Maranhão, and new record for U. triangulus in Guandu River, state of Rio de Janeiro, Brazil" masterLastPageNumber="11" masterPageNumber="1" pageNumber="1" updateTime="1723478778410" updateUser="admin">
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<mods:titleInfo id="20DF719DACB656211807D0ECC0E36815">
<mods:title id="54ED467AC94E32AA7A4A024FE538E07F">Three new species of Urocleidoides (Monogenoidea: Dactylogyridae) parasitizing characiforms (Actinopterygii: Characiformes) in Tocantins River, states of Tocantins and Maranhão, and new record for U. triangulus in Guandu River, state of Rio de Janeiro, Brazil</mods:title>
</mods:titleInfo>
<mods:name id="0B7B4D8433CE8119FEE1F73C623BD08D" type="personal">
<mods:role id="61E7D0C08EF73950A44769223C4933C5">
<mods:roleTerm id="B2BA204CD5FB7CDFAB9CC5DCDE4D73AA">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="5384DA62176BEF6681B18576505F1AE1">de Freitas, Álvaro J. B.</mods:namePart>
<mods:affiliation id="1577C0F2F1D608940C16B5F007635BA9">Laboratório de Helmintos Parasitos de Peixes, Instituto Oswaldo Cruz, FIOCRUZ. Avenida Brasil 4365, 21040 - 900 Rio de Janeiro, RJ, Brazil.</mods:affiliation>
</mods:name>
<mods:name id="7AB0F2A5888646D04FB6DDE6C0AA60FC" type="personal">
<mods:role id="3338855C4A042C09DBB9C35B73F147CD">
<mods:roleTerm id="FE19707AAD42F83B409B5808A52D0C2C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="7C2D6D92FDAF279120BC08F44711AC53">Bezerra, Carine A. M.</mods:namePart>
<mods:affiliation id="DB73F63C697FD44914E5F33AEE3041D6">Programa de Pós-Graduação em Ciência Animal, Universidade Estadual do Maranhão. Cidade Universitária Paulo VI, Avenida Lourenço Vieira da Silva 1000, 65055 - 310 São Luís, MA, Brazil.</mods:affiliation>
</mods:name>
<mods:name id="8307CE3BC8ED3EB9B4700C354C2ED786" type="personal">
<mods:role id="1120992A004CE8168E181F7FC96750B9">
<mods:roleTerm id="0DA0D35E721FDEE3C3A9A17C9AECCD02">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="AD1E25B0B19C16254802B959E1D3919D">Meneses, Yuri C.</mods:namePart>
<mods:affiliation id="E17774668940E2C3743591C13836A80C">Laboratório de Helmintos Parasitos de Peixes, Instituto Oswaldo Cruz, FIOCRUZ. Avenida Brasil 4365, 21040 - 900 Rio de Janeiro, RJ, Brazil.</mods:affiliation>
</mods:name>
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</mods:role>
<mods:namePart id="8ECB39BE52D94A56B9D92356AF93BA8A">Justo, Marcia Cristina N.</mods:namePart>
<mods:nameIdentifier id="8024FF442A25C272FA5A4A4BFC669ADF" type="ORCID">0000-0002-0684-3389</mods:nameIdentifier>
<mods:affiliation id="6B7EBFBAEE834E0593DB7A919C9D8C45">Laboratório de Helmintos Parasitos de Peixes, Instituto Oswaldo Cruz, FIOCRUZ. Avenida Brasil 4365, 21040 - 900 Rio de Janeiro, RJ, Brazil.</mods:affiliation>
</mods:name>
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</mods:role>
<mods:namePart id="922C2B0813E30F183971E10703B60784">Viana, Diego C.</mods:namePart>
<mods:nameIdentifier id="84B5AB0BC73655757B174591D1B16C73" type="ORCID">0000-0002-3302-9892</mods:nameIdentifier>
<mods:affiliation id="9D2AF44E44673B696AB2019476814F56">Núcleo de Estudos Morfofisiológicos Avançados, Universidade Estadual da Região Tocantina do Maranhão. Campus Imperatriz, Rua Godofredo Viana 1300, 65901 - 480 Imperatriz, MA, Brazil.</mods:affiliation>
</mods:name>
<mods:name id="E0BDB4336B25A2A1F44C797C465A92DD" type="personal">
<mods:role id="50D475A0A68AE2476DDDDBB7049723A5">
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</mods:role>
<mods:namePart id="1EBFA4111AF11BC3D922BBE246C8F584">Cohen, Simone C.</mods:namePart>
<mods:affiliation id="F725B4263BCE982848FDEAF221B7577D">Laboratório de Helmintos Parasitos de Peixes, Instituto Oswaldo Cruz, FIOCRUZ. Avenida Brasil 4365, 21040 - 900 Rio de Janeiro, RJ, Brazil.</mods:affiliation>
</mods:name>
<mods:typeOfResource id="5DD21A30069C05CF5278E802181AF967">text</mods:typeOfResource>
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<mods:titleInfo id="680257BE38BD9FA052DFA3673DE9B7EB">
<mods:title id="0BBA3BA1801E8BCCA33AAF1FE9DC7722">Zoologia</mods:title>
</mods:titleInfo>
<mods:part id="F2F08598398C8CFF7DBA372A943DA0C4">
<mods:date id="7F2FD18A555812A4AF40754B78CE87B1">2021</mods:date>
<mods:detail id="005456EE27008275B931281E334C70CB" type="pubDate">
<mods:number id="0A376DDE52F5008C3BB5C44B718094C9">2021-08-11</mods:number>
</mods:detail>
<mods:detail id="033DE0BC848A5B5E74B7034043357C35" type="volume">
<mods:number id="7AB8B958075103AE360F595A301BBDD0">38</mods:number>
</mods:detail>
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<mods:start id="15CBF7A181C7CC60BF2361EF985B1B45">1</mods:start>
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</mods:extent>
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<mods:classification id="63F75FD60FAE745155AA8FDB28AA11B3">journal article</mods:classification>
<mods:identifier id="1965BE0F62B0DB4F73C44DD6B7F4D937" type="DOI">10.3897/zoologia.38.e65001</mods:identifier>
<mods:identifier id="AFAFDACC65C14B1B0470AB634CF27C41" type="ZooBank">A417A7BD-9459-43AD-8FAE-42151BE7D733</mods:identifier>
</mods:mods>
<treatment id="C42706563D605A5FA983098194EFDA69" ID-DOI="http://doi.org/10.5281/zenodo.13306498" ID-Zenodo-Dep="13306498" ID-arpha="C4270656-3D60-5A5F-A983-098194EFDA69" ID-zoobank="http://zoobank.org/3E609A35-9326-4217-83FF-37D5C33435D5" LSID="urn:lsid:zoobank.org:act:3E609A35-9326-4217-83FF-37D5C33435D5" LSID-ZBK="urn:lsid:zoobank.org:act:3E609A35-9326-4217-83FF-37D5C33435D5" httpUri="http://treatment.plazi.org/id/C42706563D605A5FA983098194EFDA69">
<subSubSection id="20BD88E63D7E80758EE3DBD459FF1E80" type="nomenclature">
<paragraph id="A3D7F7A7232122069B835894C39B3824">
<taxonomicName id="0CB9EB4B9ED737ACA8208120875BD3C9" authorityName="de Freitas &amp; Bezerra &amp; Meneses &amp; Justo &amp; Viana &amp; Cohen" authorityYear="2021" class="Monogenea" family="Dactylogyridae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="boulengerellae" status="sp. nov.">
<emphasis id="5E53A26159CCFD632BFE21D523812FD2" italics="true">Urocleidoides boulengerellae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B919D64BE548470ADC7E50F77C9CA543" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="E5E3354CEE557C535F3ECE50593481A5" type="description">
<paragraph id="CF1CD73C90C11FF8AC78EDFA14235774">
<figureCitation id="EDC892D0C023778ADA4CCB428668BBA9" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">Figs 411</figureCitation>
,
<figureCitation id="5DEB9CF12B3F86F076467B12DB7B81B8" captionStart="Figures 3136" captionStartId="F5" captionText="Figures 3136. Light photomicrographs of Urocleidoides spp.: (31, 32) Urocleidoides boulengerellae: (31) copulatory complex; (32) vaginal sclerite; (33, 34) Urocleidoides paratriangulus: (33) copulatory complex; (34) haptor; (35, 36) Urocleidoides tocantinensis: (35) copulatory complex; (36) vagina. Scale bars: 3133, 3536 = 20 µm, 34 = 40 µm." figureDoi="10.3897/zoologia.38.e65001.figures31-36" httpUri="https://binary.pensoft.net/fig/576829">31</figureCitation>
,
<figureCitation id="C5C121F0C13C26C597A0931BB1ABAEA4" captionStart="Figures 3136" captionStartId="F5" captionText="Figures 3136. Light photomicrographs of Urocleidoides spp.: (31, 32) Urocleidoides boulengerellae: (31) copulatory complex; (32) vaginal sclerite; (33, 34) Urocleidoides paratriangulus: (33) copulatory complex; (34) haptor; (35, 36) Urocleidoides tocantinensis: (35) copulatory complex; (36) vagina. Scale bars: 3133, 3536 = 20 µm, 34 = 40 µm." figureDoi="10.3897/zoologia.38.e65001.figures31-36" httpUri="https://binary.pensoft.net/fig/576829">32</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0ESEAE" type="Type host">
<paragraph id="EC26F155B752CF1D575C18A593F2F2A0">
<heading id="5696A8BAAD5B27D1D46F53392A590C69" reason="title">Type host.</heading>
</paragraph>
<paragraph id="93B2A56D18DC9BBEE1F44F95A97E874F">
<taxonomicName id="783425D6306EE8F00514DB2FB54F7AA5" authority="(Spix &amp; Agassiz)" baseAuthorityName="Spix &amp; Agassiz" baseAuthorityYear="1829" family="Ctenoluciidae" genus="Boulengerella" kingdom="Animalia" order="Characiformes" phylum="Chordata" rank="species" species="cuvieri">
<emphasis id="AA7D65D7415960103FDA27359E46E8E6" italics="true">Boulengerella cuvieri</emphasis>
(Spix &amp; Agassiz)
</taxonomicName>
(
<taxonomicName id="0749D82C360DBC1DFE28112431669973" family="Ctenoluciidae" kingdom="Animalia" order="Characiformes" phylum="Chordata" rank="family">Ctenoluciidae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0ELFAE" type="type locality">
<paragraph id="CBAD42215D64A9BD6D46129A0CEEA81B">
<heading id="C8E0BAFCE60EEF762332785918F3E07F" reason="title">Type locality.</heading>
</paragraph>
<paragraph id="B397B23A5F6A662019CD24E619D9C762">
<collectingMunicipality id="EE72BE8725F7CFDCB746234C9B17F814">Tocantins River</collectingMunicipality>
(
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EUFAE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[-48.117889,-8.382194]}">
<geoCoordinate id="33B779D34EFD7B21003FC2367AC65475" degrees="8" minutes="22" seconds="55.9">8 ° 22 ' 55.9</geoCoordinate>
' S;
<geoCoordinate id="9904FFCEEA7180E57C07CBDFB0CF63B1" degrees="48" minutes="07" seconds="04.4">48 ° 07 ' 04.4</geoCoordinate>
' W
</named-content>
), near the municipality of
<location id="9BE40B6CE45CB634E09EBAE9FE10C7D3" LSID="urn:lsid:plazi:treatment:C42706563D605A5FA983098194EFDA69:9BE40B6CE45CB634E09EBAE9FE10C7D3" country="Brazil" municipality="Tocantins River" name="Tupiratins" stateProvince="Tocantins">Tupiratins</location>
, state of
<collectingRegion id="84C48E3F6E5A286742B2727D67188D39" country="Brazil" name="Tocantins">Tocantins</collectingRegion>
,
<collectingCountry id="180B3688C16A647708EB59B7FCD19D07" name="Brazil">Brazil</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EZFAE" type="Other localities">
<paragraph id="6D8F780547BFB18E73097A9615E01294">
<heading id="CCE3905D975BAB87C9099B70E758691F" reason="title">Other localities.</heading>
</paragraph>
<paragraph id="9659AE205F6C968F65DB21D0D8302F1D">
Arraias River (
<named-content content-type="dwc:verbatimCoordinates" id="NCID0ECGAE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[-47.136444,-12.631194]}">
<geoCoordinate id="67F6F9AA23B2B1F5CFD10F66BFBE76AA" degrees="12" minutes="37" seconds="52.3">12 ° 37 ' 52.3</geoCoordinate>
' S;
<geoCoordinate id="D972B7FDF73F88368BCADD1EB6AAD3FB" degrees="47" minutes="08" seconds="11.2">47 ° 08 ' 11.2</geoCoordinate>
' W
</named-content>
), close to the municipality of Babaçulândia, state of
<collectingRegion id="C47BB54B87D07FA57510F8DF6561E245" country="Brazil" name="Tocantins">Tocantins</collectingRegion>
;
<collectingRegion id="1993320F591BE19DA52337DB33791420" country="Brazil" name="Tocantins">Tocantins</collectingRegion>
River (
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EKGAE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[-47.450208,-6.540147]}">
<geoCoordinate id="18D08CDAAC9A3CB444B2A8EF0CCAFED2" degrees="6" minutes="32" seconds="24.53">6 ° 32 ' 24.53</geoCoordinate>
' S;
<geoCoordinate id="3C59E45F1078E06F7F10E958CD780894" degrees="47" minutes="27" seconds="0.75">47 ° 27 ' 0.75</geoCoordinate>
' W
</named-content>
), close to the municipalities of Aguiarnópolis and Estreito; at the mouth of the Itaueiras River (
<named-content content-type="dwc:verbatimCoordinates" id="NCID0ESGAE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[-47.424300,-6.499647]}">
<geoCoordinate id="C7A0B82EED9D3D1FB0F0016534FDEB26" degrees="6" minutes="29" seconds="58.73">6 ° 29 ' 58.73</geoCoordinate>
' S;
<geoCoordinate id="B372F2166081AE2894658DA3FEA8FADC" degrees="47" minutes="25" seconds="27.48">47 ° 25 ' 27.48</geoCoordinate>
' W
</named-content>
), in the municipality of Estreito, state of
<collectingRegion id="24EF5668EE5145FD4E4D8ED5DE42E0D8" country="Brazil" name="Maranhao">Maranhão</collectingRegion>
,
<collectingCountry id="DA4BC6C2C03D92BB7A1C53B4ED36C676" name="Brazil">Brazil</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EXGAE" type="Infestation parameters">
<paragraph id="6DA53D72684BEDD0FF1A3614A0868A45">
<heading id="EFFD4CA39B82CFB1927286F8E82C5146" reason="title">Infestation parameters.</heading>
</paragraph>
<paragraph id="1611DA36B98BDBEF76B95CBDF6871C12">Total number of hosts: 32; prevalence: 91 %; total number of parasites: 876; mean intensity: 30.2 ± 26.5; range of intensity: 2113.</paragraph>
</subSubSection>
<subSubSection id="SECID0E3GAE" type="material">
<paragraph id="6028C525BEF71F71283790ED30FEF3E1">
<heading id="F7A88F84DCFB9AFA3D683D4F670265CE" reason="title">Deposited material.</heading>
</paragraph>
<paragraph id="F781E5C19EA043EE3D69C35539CAFDDB">
<materialsCitation id="A41C046C23A7FF56B1379C7AE3C1C5D2" collectionCode="CHIOC" country="Brazil" location="Tupiratins" municipality="Tocantins River" specimenCode="39560" specimenCount="1" stateProvince="Tocantins" typeStatus="holotype">
<typeStatus id="825D9C2D93766DA4E1A6037A5D6195FB" type="holotype">Holotype</typeStatus>
:
<collectionCode id="5FDDCEFFD3C312CA91DF196D673038BF" country="Brazil" httpUri="http://grbio.org/cool/sv7j-t59d" name="Helminthological Collection of Oswaldo Cruz Institute (Coleccion. Helmintologica del Instituto Oswaldo Cruz)" type="">CHIOC</collectionCode>
:
<specimenCode id="1FB3A72E5F8CA0BDBD65CE075AF1AEE7">39560</specimenCode>
</materialsCitation>
,
<materialsCitation id="0D67B66C09F0D9A9EF39C3A49C46AF71" collectionCode="CHIOC, INPA" country="Brazil" location="Tupiratins" municipality="Tocantins River" specimenCode="39561, 39562 a-c, 39563 a-b, 39564 a-b, 39565, 39566, 833, 834" specimenCount="1" stateProvince="Tocantins" typeStatus="paratype">
<typeStatus id="0F8563454211AF2901A512019D2425C7" type="paratype">paratypes</typeStatus>
:
<collectionCode id="0A2E87A4B4DAD141553880AB454EF7AA">CHIOC</collectionCode>
<specimenCode id="1D8D7BA98BC194E4BFEAF815B11A233E">39561</specimenCode>
,
<specimenCode id="FF58534083198EC1151A94ED97825F7C">39562 a-c</specimenCode>
,
<specimenCode id="A024F448CFDF8FC343ED5CA838B935C3">39563 a-b</specimenCode>
,
<specimenCode id="DAB1ED864B1BD93230D60C48AEC1D79D">39564 a-b</specimenCode>
,
<specimenCode id="F898429D9717C4F8E3853BD68AF33A0B">39565</specimenCode>
,
<specimenCode id="DCE09A813423420EAB4E8FF3002A68FE">39566</specimenCode>
;
<collectionCode id="8D0F97FFE8D91365B7681F14305C1118">INPA</collectionCode>
<specimenCode id="C8CEE2FE9228B283F57A567DEEC1F722">833</specimenCode>
,
<specimenCode id="E18AEF1A3CC9D5CC235D7CE01444C540" collectionCode="INPA" country="Brazil" httpUri="http://grbio.org/cool/rm88-499z" name="Instituto Nacional de Pesquisas da Amazonia" type="">834</specimenCode>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EBHAE" type="description">
<paragraph id="DB3E77D8002004F1AD3CCB32CE9C17F9">
<heading id="573C44B306896618D87226F8206D6E09" reason="title">Description.</heading>
</paragraph>
<paragraph id="3C9F52BC23C0CF357A9289C46CC7E368">
Based on
<specimenCount id="DAACDDB36AA26999C1CAA09AB02BC339" count="137" type="generic">137 specimens</specimenCount>
: 9 mounted in Gomori's trichrome and 128 mounted in Hoyers' medium: Body fusiform, delicate, 310530 (363; n = 24) long, 63140 (102; n = 27) wide. Tegument smooth. Cephalic region with 2 lateral lobes and 2 anterolateral slightly developed; four bilateral pairs of head organs. Eyespots absent; accessory chromatic granules present in cephalic area, Mouth subterminal, midventral; Pharynx muscular, spherical; esophagus short; two intestinal caeca, posteriorly confluent to gonads, lacking diverticula. Haptor sub-hexagonal, presenting ventral anchors connected by ventral bar and dorsal anchors connected by dorsal bar, 62112 (94; n = 13) wide (Fig.
<figureCitation id="CF2F0EC2EA84A9506932C0EDA1EAAB59" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">4</figureCitation>
). Ventral anchor with well-developed roots: protruding superficial root, rectangular in shape, deep root distally round, straight shaft and acute point, 2644 (35; n = 43) long, base 1326 (17; n = 31) (Fig.
<figureCitation id="651A5108D9CA2F3FCFF473AC10B6CB01" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">8</figureCitation>
); dorsal anchor with developed roots, straight shaft and long point, 2330 (28; n = 33) long, base 1021 (12; n = 30) (Fig.
<figureCitation id="73C3EE6A59CEA420D91899EFCE56B1A3" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">9</figureCitation>
). Ventral bar straight and robust, with anteromedian groove and slight protuberances at the end, 3545 (39; n = 27) long (Fig.
<figureCitation id="19F586B0157E1880DE6D3947350E4EEC" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">10</figureCitation>
). Dorsal bar recurved, 3240 (37; n = 14) long, with a long posteromedian projection, 915 (12; n = 24) long (Fig.
<figureCitation id="379CEF366CF3C133B1439D4CBE9C1BDB" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">11</figureCitation>
). Seven pairs of marginal hooks present, ancyrocephaline distribution, five pairs ventral and two dorsal. Hooks similar in shape; pairs 1 and 5 slightly smaller than other pairs: each with protruded thumb, curved point, straight shank, and very short filamentous hook loop about 1 / 6 shank length (Fig.
<figureCitation id="2D4DAB3CB50D76EC24DA7B0C112BFB86" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">7</figureCitation>
). Pair 1, 1022 (16; n = 15) long, pair 2, 1830 (23; n = 24) long, pair 3, 1938 (24; n = 37) long, pair 4, 1636 (24; n = 38) long, pair 5, 1525 (19; n = 9) long, pair 6, 2033 (29; n = 23) long, pair 7, 1627 (18; n = 10) long. Copulatory complex comprising male copulatory organ (MCO) and non-articulated accessory piece. MCO with 23 counterclockwise rings, base with flange, 61131 (95; n = 17). Accessory piece comprising a robust Y-shaped unit and a sheath-like unit (Figs
<figureCitation id="CDBFCDD537C5192D44D0564802E905DB" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">6</figureCitation>
,
<figureCitation id="2E1DB135C67142B67A5C25E87C9BFF33" captionStart="Figures 3136" captionStartId="F5" captionText="Figures 3136. Light photomicrographs of Urocleidoides spp.: (31, 32) Urocleidoides boulengerellae: (31) copulatory complex; (32) vaginal sclerite; (33, 34) Urocleidoides paratriangulus: (33) copulatory complex; (34) haptor; (35, 36) Urocleidoides tocantinensis: (35) copulatory complex; (36) vagina. Scale bars: 3133, 3536 = 20 µm, 34 = 40 µm." figureDoi="10.3897/zoologia.38.e65001.figures31-36" httpUri="https://binary.pensoft.net/fig/576829">31</figureCitation>
). Testes dorsal to germarium; seminal vesicle a distal dilation of vas deferens; single prostatic reservoir present. Germarium elongated (Fig.
<figureCitation id="3FE180E43090440FEDD77AEE16294339" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">4</figureCitation>
). Vaginal canal a highly sclerotized tube, which coils around vaginal sclerite, connected with seminal receptacle, located anteriorly to germarium; vaginal opening ventrolateral, sinistral; vaginal sclerite present, robust, sinistral, composed of straight rod distally hooked, with a short subterminal projection, 3850 (41; n = 11) (Figs
<figureCitation id="CBBD20D4253BF37E3418BA2FB7FB7952" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">5</figureCitation>
,
<figureCitation id="973E6DC89B1196D380AF00A9B3529E28" captionStart="Figures 3136" captionStartId="F5" captionText="Figures 3136. Light photomicrographs of Urocleidoides spp.: (31, 32) Urocleidoides boulengerellae: (31) copulatory complex; (32) vaginal sclerite; (33, 34) Urocleidoides paratriangulus: (33) copulatory complex; (34) haptor; (35, 36) Urocleidoides tocantinensis: (35) copulatory complex; (36) vagina. Scale bars: 3133, 3536 = 20 µm, 34 = 40 µm." figureDoi="10.3897/zoologia.38.e65001.figures31-36" httpUri="https://binary.pensoft.net/fig/576829">32</figureCitation>
). Eggs, Mehlis' glands and ootype not observed. Vitellaria present, distributed throughout the body, except in area of reproductive organs (Fig.
<figureCitation id="74A877AE5D93B4D0B93F2C3F29911E88" captionStart="Figures 411" captionStartId="F2" captionText="Figures 411. Urocleidoides boulengerellae sp. nov. from Boulengerella cuvieri from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm." figureDoi="10.3897/zoologia.38.e65001.figures4-11" httpUri="https://binary.pensoft.net/fig/576826">4</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EXIAE" type="etymology">
<paragraph id="36376594444E5E382B57C8826C5C41BC">
<heading id="A302D46D9C4AE8EEDA77811313ED3880" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="DDCE5FA37BF94BF1D3DE827B1AEF858B">the specific name refers to the scientific name of the host.</paragraph>
</subSubSection>
<subSubSection id="SECID0E3IAE" type="remarks">
<paragraph id="0243E2F28196A2C689F5EAC8F96903BB">
<heading id="303C0E3BC9DDAEA0F082222BA2ED15A3" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="F1386293B1CE7A9819BF100747869C5E">
The new species is allocated in
<taxonomicName id="200C57470DD52E9F4F1069413EC31607" authorityName="Mizelle &amp; Price" authorityYear="1964" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="genus">
<emphasis id="76155C06FCD261BDCF82B1D641B3CCB2" italics="true">Urocleidoides</emphasis>
</taxonomicName>
by the presence of vaginal sclerite, MCO with counterclockwise rings and pairs 1 and 5 reduced in size.
<taxonomicName id="7BAED79E06ABCB5E407CC133636FEA24" authorityName="de Freitas &amp; Bezerra &amp; Meneses &amp; Justo &amp; Viana &amp; Cohen" authorityYear="2021" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="boulengerellae" status="sp. nov.">
<emphasis id="800C5521DDA3D802E3A85F6B3759E265" italics="true">Urocleidoides boulengerellae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EAE8C647CE8B759FA8D3480317D5A15E" rank="species">sp. nov.</taxonomicNameLabel>
can be differentiated from all other species of the genus mainly by the morphology of the copulatory complex and through the highly sclerotized vaginal canal.
<taxonomicName id="1586F906E0E750020B023FFC994DC0DE" authorityName="de Freitas &amp; Bezerra &amp; Meneses &amp; Justo &amp; Viana &amp; Cohen" authorityYear="2021" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="boulengerellae" status="sp. nov.">
<emphasis id="F964559B9D16380AA3F31E07EFCAF6EA" italics="true">Urocleidoides boulengerellae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="7C75D34BFE04CA87F5924EA8130136BA" rank="species">sp. nov.</taxonomicNameLabel>
is most similar to
<taxonomicName id="CB0610D5D32B71D0E567FD2382A8CB87" authority="Mendoza-Franco &amp; Reina, 2008" authorityName="Mendoza-Franco &amp; Reina" authorityYear="2008" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="neotropicalis">
<emphasis id="0C2C1955EE4BB675A03105B511F37087" italics="true">Urocleidoides neotropicalis</emphasis>
<bibRefCitation id="DD5CBB30F92F249764B6A853D37EBE2B" DOI="10.1645/GE-1438.1" author="Mendoza-Franco EF &amp; Reina RG" journalOrPublisher="The Journal of Parasitology" pagination="793-802" refId="B16" refString="Mendoza-Franco EF, Reina RG (2008) Five new species of Urocleidoides (Monogenoidea) (Mizelle and Price 1964) Kritsky, Thatcher and Boeger, 1986, parasitizing the gills pf panamanian freshwater fishes. The Journal of Parasitology 94: 793 - 802. https: // doi. org / 10.1645 / GE- 1438.1" title="Five new species of Urocleidoides (Monogenoidea) (Mizelle and Price 1964) Kritsky, Thatcher and Boeger, 1986, parasitizing the gills pf panamanian freshwater fishes." volume="94" year="2008">Mendoza-Franco &amp; Reina, 2008</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="BB729B4D56334E81890F87DB9B6F3B0B" authority="Mendoza-Franco &amp; Reina, 2008" authorityName="Mendoza-Franco &amp; Reina" authorityYear="2008" family="Ctenoluciidae" genus="Urocelidoides" kingdom="Animalia" order="Characiformes" phylum="Chordata" rank="species" species="piriatiu">
<emphasis id="8DE1486E4194A86E3D16E6E09B89D80E" italics="true">Urocelidoides piriatiu</emphasis>
<bibRefCitation id="0442EFBDA462BBD0A0361D50DFCD3A8D" DOI="10.1645/GE-1438.1" author="Mendoza-Franco EF &amp; Reina RG" journalOrPublisher="The Journal of Parasitology" pagination="793-802" refId="B16" refString="Mendoza-Franco EF, Reina RG (2008) Five new species of Urocleidoides (Monogenoidea) (Mizelle and Price 1964) Kritsky, Thatcher and Boeger, 1986, parasitizing the gills pf panamanian freshwater fishes. The Journal of Parasitology 94: 793 - 802. https: // doi. org / 10.1645 / GE- 1438.1" title="Five new species of Urocleidoides (Monogenoidea) (Mizelle and Price 1964) Kritsky, Thatcher and Boeger, 1986, parasitizing the gills pf panamanian freshwater fishes." volume="94" year="2008">Mendoza-Franco &amp; Reina, 2008</bibRefCitation>
</taxonomicName>
, by the long posteromedian projection in the dorsal bar. However, the new species differs from
<taxonomicName id="3CC11443780E53244C5D4D78B6C99857" authorityName="Mendoza-Franco &amp; Reina" authorityYear="2008" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="neotropicalis">
<emphasis id="249FE043F0765E8B0E0983CB7C51AD50" italics="true">U. neotropicalis</emphasis>
</taxonomicName>
by the morphology of the male copulatory organ (23 rings in
<taxonomicName id="076EAC4FAAF0A1AD6330A420A3C52B05" authorityName="de Freitas &amp; Bezerra &amp; Meneses &amp; Justo &amp; Viana &amp; Cohen" authorityYear="2021" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="boulengerellae" status="sp. nov.">
<emphasis id="661F2E844815E5FE8FA2841370F42924" italics="true">U. boulengerellae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="298D648382D4317F80D526DA6C69D56E" rank="species">sp. nov.</taxonomicNameLabel>
and a coil of about 5 ½ counterclockwise rings in
<taxonomicName id="AE1A2C4681F66C0CDF5631B42DAA95A9" authorityName="Mendoza-Franco &amp; Reina" authorityYear="2008" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="neotropicalis">
<emphasis id="7D16608A9533A6C8D75070B99EA37E77" italics="true">U. neotropicalis</emphasis>
</taxonomicName>
), while it differs from
<taxonomicName id="848B075CCE61579ED1C8E3888D3F8048" authorityName="Mendoza-Franco &amp; Reina" authorityYear="2008" family="Ctenoluciidae" genus="Urocelidoides" kingdom="Animalia" order="Characiformes" phylum="Chordata" rank="species" species="piriatiu">
<emphasis id="D413FD200BD8F7A35AFE89EE89CA041F" italics="true">U. piriatiu</emphasis>
</taxonomicName>
by the shape of the subunits of the accessory piece (an Y-shaped, robust and a sheath-like unit in
<taxonomicName id="C5DD8C1C12F5A56CC8CB9EB26E491D9D" authorityName="de Freitas &amp; Bezerra &amp; Meneses &amp; Justo &amp; Viana &amp; Cohen" authorityYear="2021" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="boulengerellae" status="sp. nov.">
<emphasis id="723D02C38B74071B361897D5E3C9821E" italics="true">U. boulengerellae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="421C8AB4518208FF2BC5AF169045BA08" rank="species">sp. nov.</taxonomicNameLabel>
and dextral subunit terminally acute; sinistral subunit bottle-shaped in
<taxonomicName id="04910A448F142FAECCA5E28164D3540E" authorityName="Mendoza-Franco &amp; Reina" authorityYear="2008" family="Ctenoluciidae" genus="Urocelidoides" kingdom="Animalia" order="Characiformes" phylum="Chordata" rank="species" species="piriatiu">
<emphasis id="25BDAFBD4999DEFC52B1939F81816D6B" italics="true">U. piriatiu</emphasis>
</taxonomicName>
).
</paragraph>
<caption id="EC9AD7BBBC57B1ED632CBB3A34983A72" ID-DOI="10.3897/zoologia.38.e65001.figures4-11" ID-arpha="6CB3E7BF-C2B2-5D09-A28F-C5369F7FE8A5" ID-zenodo_dep_id="5219827" httpUri="https://binary.pensoft.net/fig/576826" startId="F2">
<paragraph id="6567C7430501CDDCB7CD0793723AD540">
<label id="2E3A311DD98DA86FC3A7BFA0C1DE69CD">Figures 411.</label>
</paragraph>
<paragraph id="FA07B240A3785CA2A37098D3A471D523">
<taxonomicName id="4BBFD9D70F134F61A11D00D7D907922F" authorityName="de Freitas &amp; Bezerra &amp; Meneses &amp; Justo &amp; Viana &amp; Cohen" authorityYear="2021" class="Monogenea" family="Ancyrocephalidae" genus="Urocleidoides" kingdom="Animalia" order="Dactylogyridea" phylum="Platyhelminthes" rank="species" species="boulengerellae" status="sp. nov.">
<emphasis id="135B5840410F942EA86AC5DDF5ADFC8F" italics="true">Urocleidoides boulengerellae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="BBB3B0B9731CCD274569BE25BF89F24C" rank="species">sp. nov.</taxonomicNameLabel>
from
<taxonomicName id="BB387A27E8D871ADF842C190511AAD3A" baseAuthorityName="Spix &amp; Agassiz" baseAuthorityYear="1829" family="Ctenoluciidae" genus="Boulengerella" kingdom="Animalia" order="Characiformes" phylum="Chordata" rank="species" species="cuvieri">
<emphasis id="27FD5A2952D4F3464F00C282C0D1081E" italics="true">Boulengerella cuvieri</emphasis>
</taxonomicName>
from Tocantins River: (4) total, ventral view; (5) vaginal sclerite and vagina; (6) copulatory complex, ventral view; (7) hook; (8) ventral anchor; (9) dorsal anchor; (10) ventral bar; (11) dorsal bar. Scale bars: 4 = 100 µm, 5 = 20 µm, 6 = 30 µm, 7 = 10 µm, 811 = 20 µm.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>