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<document ID-CLB-Dataset="57797" ID-DOI="http://dx.doi.org/10.3897/zookeys.1172.105500" ID-GBIF-Dataset="82569380-f2c7-44ab-8961-71edbe8632ab" ID-PMC="PMC10394507" ID-Pensoft-Pub="1313-2970-1172-101" ID-Pensoft-UUID="F73CD83EFAE05FF1B7C06633451784FC" ID-PubMed="37538357" ID-ZooBank="6A0A780EB78B4E549237D01A82479F7B" ModsDocID="1313-2970-1172-101" checkinTime="1690372429833" checkinUser="pensoft" docAuthor="Bezerra, Carine Almeida Miranda, Cohen, Simone Chinicz, de Meneses, Yuri Costa, Neres, Helyab Gabriel Chaves, Viana, Diego Carvalho &amp; Justo, Marcia Cristina Nascimento" docDate="2023" docId="6368EAFFAC5F59779237104B5312259F" docLanguage="en" docName="ZooKeys 1172: 101-116" docOrigin="ZooKeys 1172" docPubDate="2023-07-25" docSource="http://dx.doi.org/10.3897/zookeys.1172.105500" docTitle="Curvianchoratus dominguesi Bezerra, Cohen, Meneses &amp; Justo 2023, sp. nov." docType="treatment" docUuid="E6B46BAD-9990-4E75-8781-D4DB18DE70D0" docUuidSource="ZooBank" docVersion="4" id="F73CD83EFAE05FF1B7C06633451784FC" lastPageNumber="101" masterDocId="F73CD83EFAE05FF1B7C06633451784FC" masterDocTitle="Two new species of Curvianchoratus (Monogenoidea, Dactylogyridae) parasitizing Psectrogaster amazonica (Characiformes, Curimatidae) and a new record for Curvianchoratus singularis in the Tocantins River, Maranhao, Brazil" masterLastPageNumber="116" masterPageNumber="101" pageNumber="101" updateTime="1732484538389" updateUser="ExternalLinkService">
<mods:mods id="BCB851D6E5263FFA3F221E03DC7EA8DF" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="3E8B53CE4D21DA71C15DEFB5B9BFCBC0">
<mods:title id="0F975BBC0DFF8039D753D21EF953C317">Two new species of Curvianchoratus (Monogenoidea, Dactylogyridae) parasitizing Psectrogaster amazonica (Characiformes, Curimatidae) and a new record for Curvianchoratus singularis in the Tocantins River, Maranhao, Brazil</mods:title>
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<mods:name id="2FB6432CD8F524110CB38B83C6207067" type="personal">
<mods:role id="DEBA741EF04018E934E117E03824DFEB">
<mods:roleTerm id="2E8344FBCAF1FE0A871D9B06E86DF3B8">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="BC670CB1D9EA1504AFAF0C21947FB615">Bezerra, Carine Almeida Miranda</mods:namePart>
<mods:nameIdentifier id="A87CB7286402BE8383DD7B5E031469DC" type="ORCID">https://orcid.org/0000-0003-4842-1595</mods:nameIdentifier>
<mods:affiliation id="618ABD7D895F889F4A8A61C3DA91B102">Programa de Pos-Graduacao em Ciencia Animal, Universidade Estadual do Maranhao, Cidade Universitaria Paulo VI, Avenida Lourenco Vieira da Silva 1000, 65055 - 310 Sao Luis, MA, Brazil</mods:affiliation>
</mods:name>
<mods:name id="24C9A8AFA07B4E5417BCA2841F9F4A9C" type="personal">
<mods:role id="20B1B09B4967651D8D7EC45BA0AFFB01">
<mods:roleTerm id="026F9C7FC633BAEF70BF70AEA97529D7">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="55D5C56D61A21408E535758FF786A33A">Cohen, Simone Chinicz</mods:namePart>
<mods:nameIdentifier id="87D5FE48EF834D56CF685EE20FB7B240" type="ORCID">https://orcid.org/0000-0001-8204-336X</mods:nameIdentifier>
<mods:affiliation id="8BDA304DBC56A56BD0573A26C1E87C82">Laboratorio de Helmintos Parasitos de Peixes, Instituto Oswaldo Cruz, FIOCRUZ, Avenida Brasil 4365, 21040 - 900 Rio de Janeiro, RJ, Brazil</mods:affiliation>
<mods:nameIdentifier id="1C8EAE3E9426932D8A763FC2DF471F81" type="email">scohen@ioc.fiocruz.br</mods:nameIdentifier>
</mods:name>
<mods:name id="50E09BA7E2A59ED463E8EBCAE54A9200" type="personal">
<mods:role id="C66248D8510606D8C62D878DA5ECB4A9">
<mods:roleTerm id="F2490F91B025B7D8EFB64482C3D74EA4">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="42A20F796FE343B1C819D04B2FA1EBE9">de Meneses, Yuri Costa</mods:namePart>
<mods:nameIdentifier id="999524D05EDF1137CBC1B8E1B133B475" type="ORCID">https://orcid.org/0000-0002-8737-1159</mods:nameIdentifier>
<mods:affiliation id="54BD9711EFE3F35510660F39EF055CB1">Laboratorio 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="82F34853CCAFB38C97AC75E152D840B1" type="personal">
<mods:role id="2314A1B61003E100A1A73061A1EF9517">
<mods:roleTerm id="469B14231B08629B752ED7791D2159C3">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="BB1BC8299C74DFFC20320D6983246399">Neres, Helyab Gabriel Chaves</mods:namePart>
<mods:nameIdentifier id="6DF002C70A1F1226068DECEA5DF2640B" type="ORCID">https://orcid.org/0000-0002-4454-0223</mods:nameIdentifier>
<mods:affiliation id="15B7D8597FCF722DB1F8F4939A354E2D">Nucleo de Estudos Morfofisiologicos Avancados, Universidade Estadual da Regiao Tocantina do Maranhao, Campus Imperatriz, Rua Godofredo Viana 1300, 65901 - 480 Imperatriz, MA, Brazil</mods:affiliation>
</mods:name>
<mods:name id="CD600219B07789613A1ADFB48606DA7B" type="personal">
<mods:role id="34E60DCC59385BA5C7E334F7FA7F33A8">
<mods:roleTerm id="5C0DAA946FD201F52BAB524BA1E00808">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="33A4890C1861905439B664EB024E547C">Viana, Diego Carvalho</mods:namePart>
<mods:nameIdentifier id="823320134887CF98A5250B7B33643EEE" type="ORCID">https://orcid.org/0000-0002-3302-9892</mods:nameIdentifier>
<mods:affiliation id="6117AAFDE06F28CD5D7357A1EB263FC2">Nucleo de Estudos Morfofisiologicos Avancados, Universidade Estadual da Regiao Tocantina do Maranhao, Campus Imperatriz, Rua Godofredo Viana 1300, 65901 - 480 Imperatriz, MA, Brazil</mods:affiliation>
</mods:name>
<mods:name id="175DE103EC3B5D3606FF837FDD0DAACA" type="personal">
<mods:role id="C003392BB2C94B140346F6FC3C3061A1">
<mods:roleTerm id="8952090930FA0CB6A1D027CD8FD11A85">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="837E7009A2C234907EF27693EFC83003">Justo, Marcia Cristina Nascimento</mods:namePart>
<mods:nameIdentifier id="E4CDCC22C5C0C64AC9DF6A972C9A5F19" type="ORCID">https://orcid.org/0000-0002-0684-3389</mods:nameIdentifier>
<mods:affiliation id="61E4682B932FD20527C194ED5D30329F">Laboratorio 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="B8FB2F2D495744562DB5F301CA771C1F">text</mods:typeOfResource>
<mods:relatedItem id="D71B736ABEDF92A4F7FBDFEE376E635A" type="host">
<mods:titleInfo id="0EB342F324A368F038B38307125D273E">
<mods:title id="AF0D57068CF2633634E1317D3240A3F8">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="EC806699C94F29EC8AB26819619AD365">
<mods:date id="716F87B5721DFE514827D9561E434622">2023</mods:date>
<mods:detail id="2061569235DDE083CDA08B6DA3E5C4DC" type="pubDate">
<mods:number id="87CBCCA6DFCBFEA733F829158D33E2C4">2023-07-25</mods:number>
</mods:detail>
<mods:detail id="48590CF9E01D09867222770416152B2A" type="volume">
<mods:number id="36CCEE818222606A4A7B57784F54FDBA">1172</mods:number>
</mods:detail>
<mods:extent id="52BAB8656704C32F1C3FE45E627B7DCD" unit="page">
<mods:start id="C3CA574D4DF15EC011DCEFCC5AFF32D1">101</mods:start>
<mods:end id="EF374E33ACEA957EC909A9ECC7E018C4">116</mods:end>
</mods:extent>
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<mods:location id="5FA7C8561F7FDA4C7DDD4298EF51E923">
<mods:url id="A9BE7D3F3B2C522EF64F1C2D3C2555F6">http://dx.doi.org/10.3897/zookeys.1172.105500</mods:url>
</mods:location>
<mods:classification id="AFE08AFFEB3AB5CDE7E08C720300C9BB">journal article</mods:classification>
<mods:identifier id="A8110613102F193C554C3782BB8F0061" type="DOI">http://dx.doi.org/10.3897/zookeys.1172.105500</mods:identifier>
<mods:identifier id="0EEEC190C154D5D26E85C81650517699" type="Pensoft-Pub">1313-2970-1172-101</mods:identifier>
<mods:identifier id="4323BD8D38CBCF03D16427B835A83E27" type="ZooBank">6A0A780EB78B4E549237D01A82479F7B</mods:identifier>
<mods:identifier id="DCE3BCED253AB07AA5BF609D8F373F02" type="Pensoft-UUID">F73CD83EFAE05FF1B7C06633451784FC</mods:identifier>
</mods:mods>
<treatment id="6368EAFFAC5F59779237104B5312259F" ID-GBIF-Taxon="212419844" LSID="urn:lsid:zoobank.org:act:E6B46BAD-9990-4E75-8781-D4DB18DE70D0" httpUri="http://treatment.plazi.org/id/6368EAFFAC5F59779237104B5312259F" lastPageNumber="101" pageId="0" pageNumber="101" scope_class="Monogenoidea" scope_family="Dactylogyridae" scope_order="Dactylogyridea" scope_subClass="Polyonchoinea">
<subSubSection id="375034183305C75DB4DB445F6BCAA600" pageId="0" pageNumber="101" type="nomenclature">
<paragraph id="98DEE61B4D64FC5828D55548A501CFCC" pageId="0" pageNumber="101">
<taxonomicName id="124E921DB91AEF0BCBB34925E2F5188F" LSID="https://zoobank.org/E6B46BAD-9990-4E75-8781-D4DB18DE70D0" authority="Bezerra, Cohen, Meneses &amp; Justo" authorityName="Bezerra, Cohen, Meneses &amp; Justo" authorityYear="2023" class="Monogenoidea" family="Dactylogyridae" genus="Curvianchoratus" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Curvianchoratus dominguesi" order="Dactylogyridea" pageId="0" pageNumber="101" rank="species" species="dominguesi" status="sp. nov.">Curvianchoratus dominguesi Bezerra, Cohen, Meneses &amp; Justo</taxonomicName>
<taxonomicNameLabel id="41AA526AD1E0D27FF1DF4B09512A6811" pageId="0" pageNumber="101">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="BCF3170E338C0F068D5D3332B0C1AB3F" pageId="0" pageNumber="101" type="description">
<paragraph id="714E6AF3853798E298C506238446B829" pageId="0" pageNumber="101">
<figureCitation id="CCBB68317590B5A2405249CD969380FD" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Curvianchoratus dominguesi n. sp from Psectrogaster amazonica from Tocantins River A whole specimen, ventral view B copulatory complex, ventral view C ventral bar D hook E ventral anchor F dorsal-median subunit G dorsal subunit. Scale bars: 100 μm (A); 30 μm (B, F, G); 10 μm (C - E)." figureDoi="10.3897/zookeys.1172.105500.figure4" httpUri="https://binary.pensoft.net/fig/883825" pageId="0" pageNumber="101">Figs 4A-G</figureCitation>
<figureCitation id="7B2D9D6D98A814116E6C360E965BA103" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Light photomicrographs of Curvianchoratus spp. A, B, E Curvianchoratus psectrogasteri sp. nov. A total, ventral view B copulatory complex, ventral view E haptor C, D, F Curvianchoratus dominguesi sp. nov. C copulatory complex, ventral view D total, ventral view F haptor. Scale bars: 100 μm (A); 20 μm (B); 30 μm (C, F); 100 μm (D); 40 μm (E)." figureDoi="10.3897/zookeys.1172.105500.figure5" httpUri="https://binary.pensoft.net/fig/883826" pageId="0" pageNumber="101">, 5C, D, F</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="0B4C82267985BF427C4FB77D65546DDE" pageId="0" pageNumber="101" type="type host">
<paragraph id="4CD478BAA22F630A55A4050FF17088F3" pageId="0" pageNumber="101">Type host.</paragraph>
<paragraph id="72CD83EB264DA1F7B8DA199A3293AD28" pageId="0" pageNumber="101">
<taxonomicName id="5E635C6A58849456AF83CEED1DF04742" authorityName="Eigenmann &amp; Eigenmann" authorityYear="1889" class="Monogenoidea" family="Curimatidae" genus="Psectrogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Psectrogaster amazonica" order="Characiformes" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="amazonica">
<emphasis id="FE0EF5E6AC4BB1EB557F1030CC4F6507" italics="true" pageId="0" pageNumber="101">Psectrogaster amazonica</emphasis>
</taxonomicName>
Eigenmann &amp; Eigenmann, 1889 (
<taxonomicName id="CACFADF30568AE72A78D7A208B205E4B" authorityName="Gill" authorityYear="1858" class="Actinopteri" family="Curimatidae" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="" order="Characiformes" pageId="0" pageNumber="101" phylum="Chordata" rank="family">Curimatidae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="62C7E1E975395E86FA7D4AE95D857BCC" pageId="0" pageNumber="101" type="type locality">
<paragraph id="695723CD5C5DA4BAEA60EE6423ADADB3" pageId="0" pageNumber="101">Type locality.</paragraph>
<paragraph id="F4BF173D48ED682A340D119192D62DA6" pageId="0" pageNumber="101">
Embiral, rural zone (
<geoCoordinate id="EFB79566C08E0D0C4BB27AD2FD0DEA8E" degrees="5" direction="south" minutes="27" orientation="latitude" precision="15" seconds="50" value="-5.4638886">5°27'50&quot;S</geoCoordinate>
,
<geoCoordinate id="7ECA6559326D3843E38D921F0F62A3E6" degrees="47" direction="west" minutes="33" orientation="longitude" precision="15" seconds="48" value="-47.56333">47°33'48&quot;W</geoCoordinate>
), municipality of Imperatriz,
<normalizedToken id="30B9AC0F312B49510C784AA49AD8DA6E" originalValue="Maranhão">Maranhao</normalizedToken>
State.
</paragraph>
</subSubSection>
<subSubSection id="CF9FF4207442183B820A23798BEB72E1" pageId="0" pageNumber="101" type="infestation parameters">
<paragraph id="B47C93D46DC77FFDA1494F869E068234" pageId="0" pageNumber="101">Infestation parameters.</paragraph>
<paragraph id="991FE09C1004DBA2FAD2556B9F05623B" pageId="0" pageNumber="101">
5.15% prevalence; 8 total number of parasites; 1.14
<normalizedToken id="14F9E5F170AE352F9E5FF4298CE9EAAE" originalValue="±">+/-</normalizedToken>
0.26 mean intensity; 1-2 range of intensity.
</paragraph>
</subSubSection>
<subSubSection id="EEC8CD3393A3B89C135366AA40630847" pageId="0" pageNumber="101" type="materials_examined">
<paragraph id="AFAF6E70AF79619A011ABC95D2E9D1A7" pageId="0" pageNumber="101">Deposited material.</paragraph>
<paragraph id="49B7D67A29FF5084C9497197D2EC4A0B" pageId="0" pageNumber="101">
<emphasis id="1CB9ACAD3046195B6948D37BC79F2B7D" bold="true" italics="true" pageId="0" pageNumber="101">
<typeStatus id="AD17D773FA4A2AB9B739CBA2D266E041">Holotype</typeStatus>
</emphasis>
: CHIOC 39984;
<emphasis id="D431E01B89C7AC22ED690BF3A1F82246" bold="true" italics="true" pageId="0" pageNumber="101">
<typeStatus id="5330AF3E92D7F66DBF62730C31944204">paratypes</typeStatus>
</emphasis>
: CHIOC 39985, 39986, 39987, 39988, 39989.
</paragraph>
</subSubSection>
<subSubSection id="3E7D595F60DC54A7BCAC17270EB6342E" pageId="0" pageNumber="101" type="etymology">
<paragraph id="FB74582F55ECE9A757ADD121F7E994EC" pageId="0" pageNumber="101">Etymology.</paragraph>
<paragraph id="49AF61E3652334F233826C97B2782F1B" pageId="0" pageNumber="101">The specific name is in honor of Dr Marcus Vinicius Domingues for his contributions to the knowledge of neotropical monogenoidean fauna.</paragraph>
</subSubSection>
<subSubSection id="5D15A770BEE0A0EC1D44C3D732490897" pageId="0" pageNumber="101" type="description">
<paragraph id="7F167889BCB10B8F0945D9229B4B2664" pageId="0" pageNumber="101">Description.</paragraph>
<paragraph id="3CA6C48CFBD79102491B30E3639E33F2" pageId="0" pageNumber="101">
Based on 7 specimens: 1 mounted in
<normalizedToken id="2E5DAF9C3CB9AB62E6CC426CC5D9010A" originalValue="Gomori’s">Gomori's</normalizedToken>
trichrome and 6 mounted in
<normalizedToken id="2D30759A09E5DDF31044590B30BCF7A4" originalValue="Hoyer’s">Hoyer's</normalizedToken>
medium: Body short, broad, 460-750 (575;
<emphasis id="DA1D57180334E93080791F0D88FD8B35" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 6) long, 225-500 (362;
<emphasis id="8811965EF62F49AF2B81DCCD8BC6032C" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 6) wide. Tegument smooth. Cephalic region with 3 pairs of lateral lobes (two lateral and one terminal); five pairs of head organs; cephalic glands lateral to pharynx. Eyespots absent. Pharynx muscular, 50-63 (55;
<emphasis id="5D887979A195C7AE66A0F01821175889" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 3) long, 48-69 (58;
<emphasis id="8D1F2574228847B3ED136AAE74D1FA77" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 3) wide, esophagus short. Haptor small, compared to body size length, 400 (
<emphasis id="A3F71FAD82FF236AF0A3CA92639683D7" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 2) wide. Ventral bar short and robust, anvil-shaped, with slightly jagged edges, 50-58 (52;
<emphasis id="E28D4CCDEA69CFC0824DD2284BF02F5D" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 4) long. Ventral anchor with inconspicuous roots, shaft with two subunits, 25-32 (30;
<emphasis id="E8CB038B6C6CF81AC0CA8269F551235B" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 5) long, with a short base, 11-17 (14;
<emphasis id="FFF852D812E3B557E7367DDC9294883F" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 5). Dorsal anchor complex heavily modified composed by 2 subunits: dorsal-median and dorsal. Dorsal-median subunit robust curved and heavily sclerotized, 50-66 (58;
<emphasis id="46563B467B91C1F4A3527F4E1518FAFF" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 13) long, shaft, 41-47 (44;
<emphasis id="E19403B9451DCE84D0143B6DDCC812F5" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 14); point as a robust hooked thorn, 6-10 (8;
<emphasis id="266201B392556442CE89F8D0508160F3" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 14); superficial root, 5-8 (7;
<emphasis id="54C525D21DDC15853C3A65FD11BA838F" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 3) and deep root, 13-17 (15;
<emphasis id="220C5D50B3A81651B38EB9814D6CAAE0" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 6), well developed with borders very close to each other; point, 6-10 (8;
<emphasis id="CA79619068FDB94D97EEF433237A2C41" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 14). Dorsal subunit elongated, 65-100 (77;
<emphasis id="CDF5DF1696D8B7D1AC96321E3D3F94C4" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 9) long and 18-23 (19;
<emphasis id="CC6DF5786DE09DF15A5A52C872EAFF6E" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 9) wide, 30% larger than the dorsal-median subunit, posterior portion fan-shaped. Hooks similar in shape, with erected thumb, curved shaft, and dilated bulb in the end, pair 1 smaller than the others, 11-12 (11;
<emphasis id="2FBFF20CF65B2D8F15D0E5B9CED0526C" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 4) long; pairs 2-7, 14-17 (16;
<emphasis id="7231CF8271CA0DF84C9B348F54E86CD4" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 37). Copulatory complex comprising male copulatory organ and articulated accessory piece. MCO tubular, sclerotized, makes a short coil on itself, near the cirrus base, 55-75 (69;
<emphasis id="D9EC749B5F0AA7929DD777EAB4063C9D" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 4) in total length. Accessory piece claw-shaped, bifurcated, with different tip sizes; the smaller serves as a guide for the MCO, 42-70 (56;
<emphasis id="730AE4ABD53C9D8CE6D9C10C6DA32AE8" italics="true" pageId="0" pageNumber="101">N</emphasis>
= 5) long. Testis oval dorsal to the germarium; seminal vesicle formed by a distal enlargement of the vas deferens; prostatic reservoir single, in form of half-moon. Germarium pretesticular; seminal receptacle anterior to germarium; vaginal opening sinistro-ventral; vaginal canal wall sclerotized; oviduct, ootype, uterus, and eggs not observed. Vitellaria dense extends over the entire body, except in the region of the reproductive organs and haptor.
</paragraph>
<caption id="B1AADFD7713B8094707CCA88D7313D45" doi="10.3897/zookeys.1172.105500.figure4" httpUri="https://binary.pensoft.net/fig/883825" pageId="0" pageNumber="101" start="Figure 4" startId="F4">
<paragraph id="EB0294A884CAF1AADABBE601102C4AD1" pageId="0" pageNumber="101">
<emphasis id="6D0C277761BB2F4E709BB43E63FACAAA" bold="true" pageId="0" pageNumber="101">Figure 4.</emphasis>
<taxonomicName id="D26EF64AA4C2A3F256D61810CC5205FB" authorityName="Bezerra, Cohen, Meneses &amp; Justo" authorityYear="2023" class="Monogenoidea" family="Dactylogyridae" genus="Curvianchoratus" kingdom="Animalia" lsidName="Curvianchoratus dominguesi" order="Dactylogyridea" pageId="0" pageNumber="101" rank="species" species="dominguesi">
<emphasis id="5EB980ED198CD4ABD074F4A74849C951" italics="true" pageId="0" pageNumber="101">Curvianchoratus dominguesi</emphasis>
</taxonomicName>
n. sp from
<taxonomicName id="FCBFB628CC683068AF475C85FE50F61A" authorityName="Eigenmann &amp; Eigenmann" authorityYear="1889" class="Monogenoidea" family="Curimatidae" genus="Psectrogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Psectrogaster amazonica" order="Characiformes" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="amazonica">
<emphasis id="637D32303C24862326E2536FFD2BF385" italics="true" pageId="0" pageNumber="101">Psectrogaster amazonica</emphasis>
</taxonomicName>
from Tocantins River
<emphasis id="BC14FBA83F74C16F374B212FAC95A22B" bold="true" pageId="0" pageNumber="101">A</emphasis>
whole specimen, ventral view
<emphasis id="42EAAA97EAE7DA234B8B9F0FCAB35E1F" bold="true" pageId="0" pageNumber="101">B</emphasis>
copulatory complex, ventral view
<emphasis id="0B253EF7FD4D91B9A50AB5FB0F7467FC" bold="true" pageId="0" pageNumber="101">C</emphasis>
ventral bar
<emphasis id="2BE3FB1B164824D1C5CD3F78BAC19F89" bold="true" pageId="0" pageNumber="101">D</emphasis>
hook
<emphasis id="27D50DA1E97C65CF6DC41C8EDBD080F7" bold="true" pageId="0" pageNumber="101">E</emphasis>
ventral anchor
<emphasis id="7F3A1B1D4E16C0B1AC325FA2D5D78B43" bold="true" pageId="0" pageNumber="101">F</emphasis>
dorsal-median subunit
<emphasis id="F2FE7A916BD62F8C4D3F7839593455CE" bold="true" pageId="0" pageNumber="101">G</emphasis>
dorsal subunit. Scale bars: 100
<normalizedToken id="00899783DDC531854A9419FE7A3BD996" originalValue="μm">μm</normalizedToken>
(
<emphasis id="5A58F3EEF7655C4300A49305B7A279D7" bold="true" pageId="0" pageNumber="101">A</emphasis>
); 30
<normalizedToken id="6ABCB1D4DC56AFE026F7ECD5C7248F3C" originalValue="μm">μm</normalizedToken>
(
<emphasis id="FD84A84B032D5E6C7BC77D0901348AEC" bold="true" pageId="0" pageNumber="101">B, F, G</emphasis>
); 10
<normalizedToken id="4E62325DDCBAA5D2D3A3505F0B0AF30C" originalValue="μm">μm</normalizedToken>
(
<emphasis id="61696B84A522BE79269ABCAD872DF784" bold="true" pageId="0" pageNumber="101">C</emphasis>
-
<emphasis id="51543F72951DA9899824400238FFD152" bold="true" pageId="0" pageNumber="101">E</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="BD1AD0FCF2B98B89447FF3A2CEED2B0B" pageId="0" pageNumber="101" type="remarks">
<paragraph id="B333CF9094D8977C43ADD1E3DD2EEF9D" pageId="0" pageNumber="101">Remarks.</paragraph>
<paragraph id="57BBB7EAA03A201E05A67E46B988D52A" pageId="0" pageNumber="101">
<taxonomicName id="D6A97B6534E6E3F609D8ADBF484F59B2" authorityName="Bezerra, Cohen, Meneses &amp; Justo" authorityYear="2023" class="Monogenoidea" family="Dactylogyridae" genus="Curvianchoratus" kingdom="Animalia" lsidName="Curvianchoratus dominguesi" order="Dactylogyridea" pageId="0" pageNumber="101" rank="species" species="dominguesi">
<emphasis id="3A613322A5DA05271D624D6694BF542E" italics="true" pageId="0" pageNumber="101">Curvianchoratus dominguesi</emphasis>
</taxonomicName>
sp. nov. is similar to the other species of the genus mainly by the morphology of the dorsal anchor, the copulatory complex, which is composed by a long cirrus and a pincer-shaped accessory piece, connected to the base of the cirrus. The new species is similar to
<taxonomicName id="E5189A9AF96A4B0F252A421E8BA5F2C7" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. singularis" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="singularis">
<emphasis id="C0CCCC781721EB7BF017A4851A66E55A" italics="true" pageId="0" pageNumber="101">C. singularis</emphasis>
</taxonomicName>
and
<taxonomicName id="6FA13AF0A2D060665425A38951C76BB2" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. hexacleidus" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="hexacleidus">
<emphasis id="120B41F5D3529CD7E6D24EFF897364E5" italics="true" pageId="0" pageNumber="101">C. hexacleidus</emphasis>
</taxonomicName>
by the presence of the ventral bar. The new species differs from all congeneric species by the shape of the ventral anchor (formed by a shaft with two subunits in the new species vs. well-developed roots in
<taxonomicName id="A944252F2FD61C7FEFE93584024E2D4D" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. hexacleidus" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="hexacleidus">
<emphasis id="C7B7091017FB5D71688C3E6C897FE0B5" italics="true" pageId="0" pageNumber="101">C. hexacleidus</emphasis>
</taxonomicName>
and moderately developed deep root and well-developed superficial root in
<taxonomicName id="286067258D9988B544460BFCBE64A7E1" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. singularis" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="singularis">
<emphasis id="EDEA668B94C6DB013EA64FC78DC6724C" italics="true" pageId="0" pageNumber="101">C. singularis</emphasis>
</taxonomicName>
and
<taxonomicName id="734A8D3A46BC10160BECEBFC98879030" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. psectrogasteri" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="psectrogasteri">
<emphasis id="3E988FC347660B68EBDCEFE545AF2586" italics="true" pageId="0" pageNumber="101">C. psectrogasteri</emphasis>
</taxonomicName>
sp. nov.), the morphology of the ventral bar (short and robust, anvil-shaped ventral bar in
<taxonomicName id="E1E90D000F97E94991AE8D5D7958C56F" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. dominguesi" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="dominguesi">
<emphasis id="11E8DD04947904490846E0E51A5B685C" italics="true" pageId="0" pageNumber="101">C. dominguesi</emphasis>
</taxonomicName>
sp. nov. vs. serpentine-shaped in
<taxonomicName id="545360C6AF5D1971F6B79D783163604D" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. hexacleidus" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="hexacleidus">
<emphasis id="838F8CDA1D7B4BB7224BA0A1392A83A9" italics="true" pageId="0" pageNumber="101">C. hexacleidus</emphasis>
</taxonomicName>
, M-shaped in
<taxonomicName id="3E615427C647900B1DC502DB37EA6AF3" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. singularis" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="singularis">
<emphasis id="4D279861D3A821CBA4A3F024AB489CEA" italics="true" pageId="0" pageNumber="101">C. singularis</emphasis>
</taxonomicName>
and absent in
<taxonomicName id="884D01A2F0BEDBD2BB64E1F796AEC205" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. psectrogasteri" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="psectrogasteri">
<emphasis id="D590189CC7EC434F414BFC17FA34C0FD" italics="true" pageId="0" pageNumber="101">C. psectrogasteri</emphasis>
</taxonomicName>
sp. nov.) and by the ratio of the subunits of the dorsal anchor (dorsal subunit is 30% larger than the dorsal-median subunit in
<taxonomicName id="C44B0127C787F8A40B26E2D482BA9EA8" class="Monogenoidea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. dominguesi" pageId="0" pageNumber="101" phylum="Platyhelminthes" rank="species" species="dominguesi">
<emphasis id="F542BCC237CBA55B6180A635E14E77EA" italics="true" pageId="0" pageNumber="101">C. dominguesi</emphasis>
</taxonomicName>
sp. nov. vs. the approximately same size of the subunits in the other three species of the genus).
</paragraph>
<caption id="392447AA3CE9B65DA9E237C4222C497F" doi="10.3897/zookeys.1172.105500.figure5" httpUri="https://binary.pensoft.net/fig/883826" pageId="0" pageNumber="101" start="Figure 5" startId="F5">
<paragraph id="EFADD1935748A9FB1ABA6FBF8C5E619D" pageId="0" pageNumber="101">
<emphasis id="5EDAAFDD76EF7B4040A24A6323510A30" bold="true" pageId="0" pageNumber="101">Figure 5.</emphasis>
Light photomicrographs of
<taxonomicName id="218E59A857D64DCD28A884ECE3205BAE" authorityName="Hanek, Molnar &amp; Fernando" authorityYear="1974" class="Monogenoidea" family="Dactylogyridae" genus="Curvianchoratus" kingdom="Animalia" lsidName="Curvianchoratus" order="Dactylogyridea" pageId="0" pageNumber="101" rank="genus">
<emphasis id="421ABC497C7BBD24E154B8CC1FE3560B" italics="true" pageId="0" pageNumber="101">Curvianchoratus</emphasis>
</taxonomicName>
spp.
<emphasis id="F7BF9218B4085454C030A08297C9CEB9" bold="true" pageId="0" pageNumber="101">A, B, E</emphasis>
<taxonomicName id="E44DB6C82C3ACEA36C26695A61CCB022" authorityName="Bezerra, Cohen, Meneses &amp; Justo" authorityYear="2023" class="Monogenoidea" family="Dactylogyridae" genus="Curvianchoratus" kingdom="Animalia" lsidName="Curvianchoratus psectrogasteri" order="Dactylogyridea" pageId="0" pageNumber="101" rank="species" species="psectrogasteri">
<emphasis id="E6876FC34EC17E7BE36505FDC2B13C32" italics="true" pageId="0" pageNumber="101">Curvianchoratus psectrogasteri</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="F1DC3766B1064130A97909002E70422B" bold="true" pageId="0" pageNumber="101">A</emphasis>
total, ventral view
<emphasis id="2657643589794B296F38C581FEA0CD28" bold="true" pageId="0" pageNumber="101">B</emphasis>
copulatory complex, ventral view
<emphasis id="6FF27CF0DAA26C4F25C8E909F7C70957" bold="true" pageId="0" pageNumber="101">E</emphasis>
haptor
<emphasis id="253C99C7D1278F636067FFC5A1670CA7" bold="true" pageId="0" pageNumber="101">C, D, F</emphasis>
<taxonomicName id="38754205A4C4DB856E07D5289C6E05E3" authorityName="Bezerra, Cohen, Meneses &amp; Justo" authorityYear="2023" class="Monogenoidea" family="Dactylogyridae" genus="Curvianchoratus" kingdom="Animalia" lsidName="Curvianchoratus dominguesi" order="Dactylogyridea" pageId="0" pageNumber="101" rank="species" species="dominguesi">
<emphasis id="08944CC4423E614C8084624D2B4AB37D" italics="true" pageId="0" pageNumber="101">Curvianchoratus dominguesi</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="47536AE504FA6B335E9C9729E1681416" bold="true" pageId="0" pageNumber="101">C</emphasis>
copulatory complex, ventral view
<emphasis id="5026F16B2E5EA2F664D8F6D28A1FDC26" bold="true" pageId="0" pageNumber="101">D</emphasis>
total, ventral view
<emphasis id="D5DFF99D916B61C12F8B1C1C27379D49" bold="true" pageId="0" pageNumber="101">F</emphasis>
haptor. Scale bars: 100
<normalizedToken id="88E5B403D6A5D27C3F376EB73D0AB54D" originalValue="μm">μm</normalizedToken>
(
<emphasis id="52921AC51A98EAB78EC0C080D788F6D0" bold="true" pageId="0" pageNumber="101">A</emphasis>
); 20
<normalizedToken id="30A1A700FD2D706901BE37E49FFD3B2A" originalValue="μm">μm</normalizedToken>
(
<emphasis id="1102EB58EC18BC0838BAADD2463E24D0" bold="true" pageId="0" pageNumber="101">B</emphasis>
); 30
<normalizedToken id="F5ED9AE586D94B2B264D1B81F297F3D8" originalValue="μm">μm</normalizedToken>
(
<emphasis id="3EFEC21209885A7BA306DC328F445338" bold="true" pageId="0" pageNumber="101">C, F</emphasis>
); 100
<normalizedToken id="37B517EE762B0637956D561AA34C74E6" originalValue="μm">μm</normalizedToken>
(
<emphasis id="D277A0FB99DE91D6A05C11A67D30EDE2" bold="true" pageId="0" pageNumber="101">D</emphasis>
); 40
<normalizedToken id="157255893100B44CEDCBEB3612FD0CE5" originalValue="μm">μm</normalizedToken>
(
<emphasis id="02E714E42BDEF400C4A1A51CE57133B0" bold="true" pageId="0" pageNumber="101">E</emphasis>
).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>
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