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<document id="0F6DF16DCA09607E166E43D840F6DCC2" ID-CLB-Dataset="24864" ID-DOI="10.11646/zootaxa.4700.2.3" ID-GBIF-Dataset="99c5e241-0bc7-41eb-bf28-5dc9adbd660d" ID-ISSN="1175-5326" ID-Zenodo-Dep="3548428" ID-ZooBank="C10998AB-822A-4B17-8FE1-596DC44C7D6A" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1574253235164" checkinUser="plazi" docAuthor="Soares, Geusivam B., Magalhães, Keila X., Silva, Ana Carolina, Carneiro, Jânio S., Barbosa, Lucineia L., Costa, Nayna G. S. &amp; Domingues, Marcus V." docDate="2019" docId="03F98793FFDEFFDEE3DAFAD06C25FAE9" docLanguage="en" docName="zootaxa.4700.2.3.pdf" docOrigin="Zootaxa 4700 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Rhinoxenus cachorra Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues 2019, n. sp." docType="treatment" docUuid="9B20D7DD-0B6F-4191-967A-75466A0FCA90" docUuidSource="ZooBank" docVersion="8" lastPageNumber="233" masterDocId="FFC0FFEBFFDCFFDAE34DFFC26809FFDA" masterDocTitle="Monogenoids (Polyonchoinea, Dactylogyridae) from Hydrolycus armatus (Characiformes, Cynodontidae) with the description of a new species of Rhinoxenus and the proposal of a new genus from the Xingu River, Pará, Brazil" masterLastPageNumber="245" masterPageNumber="229" pageNumber="231" updateTime="1698768079090" updateUser="ExternalLinkService">
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<mods:title id="AFEC07D8F576BC837C5394708D64A418">Monogenoids (Polyonchoinea, Dactylogyridae) from Hydrolycus armatus (Characiformes, Cynodontidae) with the description of a new species of Rhinoxenus and the proposal of a new genus from the Xingu River, Pará, Brazil</mods:title>
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<mods:namePart id="B7B70757CD71F8138B9F7FBF1C58AD8B">Soares, Geusivam B.</mods:namePart>
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<mods:namePart id="A4EC550BD6270A75F7D255E561E85736">Magalhães, Keila X.</mods:namePart>
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<mods:namePart id="51C08F7BEFF4D51BE1C78506DDF5635C">Silva, Ana Carolina</mods:namePart>
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<mods:namePart id="2AFEDC38F5F1F9A5D2387ED4B1B79D28">Carneiro, Jânio S.</mods:namePart>
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<mods:namePart id="69C2000BC497FFB777A67A22020B8930">Barbosa, Lucineia L.</mods:namePart>
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<mods:namePart id="128522669F805D26D554666AE4DFCD9C">Costa, Nayna G. S.</mods:namePart>
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<mods:namePart id="F3D7BD0415F9646C30A776C311765B92">Domingues, Marcus V.</mods:namePart>
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<mods:date id="927980979C1A963D224DBF0CACAB126A">2019</mods:date>
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<mods:number id="10A8F1E5AA4D70E0A12E52BF60828605">2019-11-19</mods:number>
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<mods:number id="56E0FEA798CFE19D2308425CB6072DDF">4700</mods:number>
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<treatment id="03F98793FFDEFFDEE3DAFAD06C25FAE9" ID-DOI="http://doi.org/10.5281/zenodo.5614566" ID-GBIF-Taxon="160458474" ID-Zenodo-Dep="5614566" LSID="urn:lsid:zoobank.org:act:9B20D7DD-0B6F-4191-967A-75466A0FCA90" httpUri="http://treatment.plazi.org/id/03F98793FFDEFFDEE3DAFAD06C25FAE9" lastPageId="4" lastPageNumber="233" pageId="2" pageNumber="231">
<subSubSection id="C34A650EFFDEFFD8E3DAFAD06B05FAF7" box="[151,780,1298,1325]" pageId="2" pageNumber="231" type="nomenclature">
<paragraph id="8BEF3685FFDEFFD8E3DAFAD06B05FAF7" blockId="2.[151,780,1298,1360]" box="[151,780,1298,1325]" pageId="2" pageNumber="231">
<heading id="D0A781E9FFDEFFD8E3DAFAD06B05FAF7" bold="true" box="[151,780,1298,1325]" fontSize="11" level="1" pageId="2" pageNumber="231" reason="1">
<emphasis id="B924EA97FFDEFFD8E3DAFAD06B05FAF7" bold="true" box="[151,780,1298,1325]" pageId="2" pageNumber="231">
<taxonomicName id="4C504D06FFDEFFD8E3DAFAD06ACBFAF6" ID-CoL="98a92323-bff6-4f24-9514-a94b339a7431" authority="Soares and Domingues" authorityName="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues" authorityYear="2019" box="[151,706,1298,1325]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="2" pageNumber="231" phylum="Platyhelminthes" rank="species" species="cachorra" status="sp. nov.">
<emphasis id="B924EA97FFDEFFD8E3DAFAD06997FAF7" bold="true" box="[151,414,1298,1325]" italics="true" pageId="2" pageNumber="231">Rhinoxenus cachorra</emphasis>
Soares and Domingues
</taxonomicName>
<taxonomicNameLabel id="A21757ECFFDEFFD8E187FAD16B05FAF7" box="[714,780,1299,1325]" pageId="2" pageNumber="231" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C34A650EFFDEFFD8E3DAFAF4691BFA8A" box="[151,274,1334,1360]" pageId="2" pageNumber="231" type="description">
<paragraph id="8BEF3685FFDEFFD8E3DAFAF4691BFA8A" blockId="2.[151,780,1298,1360]" box="[151,274,1334,1360]" pageId="2" pageNumber="231">
(
<figureCitation id="136B2A00FFDEFFD8E3D2FAF46900FA8A" box="[159,265,1334,1360]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="2" pageNumber="231">Figs. 19</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C34A650EFFDEFFD8E3DAFABC68C1F94E" pageId="2" pageNumber="231" type="materials_examined">
<paragraph id="8BEF3685FFDEFFD8E3DAFABC6B2BFA43" blockId="2.[151,1437,1406,1973]" box="[151,802,1406,1433]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E3DAFABC691DFA42" bold="true" box="[151,276,1406,1432]" pageId="2" pageNumber="231">
<typeStatus id="54EB8827FFDEFFD8E3DAFABC68DBFA42" box="[151,210,1406,1432]" pageId="2" pageNumber="231">Type</typeStatus>
host:
</emphasis>
<taxonomicName id="4C504D06FFDEFFD8E256FABC6B16FA43" authority="(Jardine &amp; Schomburgk)" authorityName="Jardine &amp; Schomburgk" baseAuthorityName="Jardine &amp; Schomburgk" baseAuthorityYear="1841" box="[283,799,1406,1433]" class="Actinopterygii" family="Cynodontidae" genus="Hydrolycus" kingdom="Animalia" order="Characiformes" pageId="2" pageNumber="231" phylum="Chordata" rank="species" species="armatus">
<emphasis id="B924EA97FFDEFFD8E256FABC69F7FA42" box="[283,510,1406,1432]" italics="true" pageId="2" pageNumber="231">Hydrolycus armatus</emphasis>
(Jardine &amp; Schomburgk)
</taxonomicName>
.
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AFA6369A0FA66" blockId="2.[151,1437,1406,1973]" box="[199,425,1441,1468]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AFA6368F4FA66" bold="true" box="[199,253,1441,1468]" pageId="2" pageNumber="231">Site:</emphasis>
Nasal cavities.
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AFA046A80F9DE" blockId="2.[151,1437,1406,1973]" pageId="2" pageNumber="231">
<materialsCitation id="3B383CD8FFDEFFD8E38AFA046A8CF9DE" ID-GBIF-Occurrence="2454898865" collectingDate="2015-06-13" country="Brazil" county="Altamira" latitude="-3.354361" location="Volta Grande" longLatPrecision="1" longitude="-52.19653" municipality="Xingu River" pageId="2" pageNumber="231" specimenCount="1" stateProvince="Para" typeStatus="holotype">
<emphasis id="B924EA97FFDEFFD8E38AFA046979FA3A" bold="true" box="[199,368,1477,1504]" pageId="2" pageNumber="231">
<typeStatus id="54EB8827FFDEFFD8E38AFA04690BFA3A" box="[199,258,1478,1504]" pageId="2" pageNumber="231">Type</typeStatus>
locality:
</emphasis>
<location id="8E8F605EFFDEFFD8E233FA046A15FA3A" LSID="urn:lsid:plazi:treatment:03F98793FFDEFFDEE3DAFAD06C25FAE9:8E8F605EFFDEFFD8E233FA046A15FA3A" box="[382,540,1478,1504]" country="Brazil" county="Altamira" latitude="-3.354361" longLatPrecision="1" longitude="-52.19653" municipality="Xingu River" name="Volta Grande" pageId="2" pageNumber="231" stateProvince="Para">Volta Grande</location>
,
<collectingMunicipality id="6B8BACFFFFDEFFD8E162FA046ACAFA3A" box="[559,707,1478,1504]" pageId="2" pageNumber="231">Xingu River</collectingMunicipality>
, municipality of
<collectingCounty id="628E4E09FFDEFFD8E0D8FA046BF2FA3A" box="[917,1019,1478,1504]" pageId="2" pageNumber="231">Altamira</collectingCounty>
,
<collectingRegion id="4994F867FFDEFFD8E743FA046C80FA3A" box="[1038,1161,1478,1504]" country="Brazil" name="Para" pageId="2" pageNumber="231">Pará State</collectingRegion>
,
<collectingCountry id="F3477615FFDEFFD8E7D6FA046CD6FA3A" box="[1179,1247,1478,1504]" name="Brazil" pageId="2" pageNumber="231">Brazil</collectingCountry>
(
<geoCoordinate id="EE645042FFDEFFD8E7BBFA076D91FA3A" box="[1270,1432,1477,1504]" degrees="03" direction="south" minutes="21" orientation="latitude" pageId="2" pageNumber="231" precision="1" seconds="15,7" value="-3.354361">03°2115,7S</geoCoordinate>
;
<geoCoordinate id="EE645042FFDEFFD8E3DAFA2B694BF9DE" box="[151,322,1513,1540]" degrees="52" direction="west" minutes="11" orientation="longitude" pageId="2" pageNumber="231" precision="1" seconds="47,5" value="-52.19653">52°1147,5W</geoCoordinate>
), collected on
<date id="FFEE1045FFDEFFD8E2A8FA296A8CF9DE" box="[485,645,1513,1541]" pageId="2" pageNumber="231" value="2015-06-13">
<collectingDate id="EFAAE9ADFFDEFFD8E2A8FA296A8CF9DE" box="[485,645,1513,1541]" pageId="2" pageNumber="231" value="2015-06-13">June 13, 2015</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AF9CC6ABDF9F2" blockId="2.[151,1437,1406,1973]" box="[199,692,1550,1576]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF9CC695AF9F2" bold="true" box="[199,339,1550,1576]" pageId="2" pageNumber="231">Prevalence:</emphasis>
100% of three hosts examined.
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AF9F06AD6F996" blockId="2.[151,1437,1406,1973]" box="[199,735,1585,1613]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF9F0698AF996" bold="true" box="[199,387,1585,1612]" pageId="2" pageNumber="231">Mean intensity:</emphasis>
4.5 parasites per infected host.
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AF99768C1F94E" blockId="2.[151,1437,1406,1973]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF99769C1F9AA" bold="true" box="[199,456,1621,1648]" pageId="2" pageNumber="231">Specimens deposited:</emphasis>
<materialsCitation id="3B383CD8FFDEFFD8E29DF99468C1F94E" ID-GBIF-Occurrence="2454898866" collectionCode="MPEG" pageId="2" pageNumber="231" specimenCount="9" typeStatus="holotype">
<typeStatus id="54EB8827FFDEFFD8E29DF9946A32F9AA" box="[464,571,1622,1648]" pageId="2" pageNumber="231" type="holotype">Holotype</typeStatus>
,
<collectionCode id="ED41AE40FFDEFFD8E10AF9946A9CF9AA" box="[583,661,1622,1648]" country="Brazil" httpUri="http://grbio.org/cool/90vz-swjg" name="Museu Paraense Emilio Goeldi" pageId="2" pageNumber="231">MPEG</collectionCode>
nº 168;
<specimenCount id="9D56FD0CFFDEFFD8E1B9F9946B71F9AB" box="[756,888,1622,1649]" pageId="2" pageNumber="231" type="generic" typeStatus="paratypes">9 paratypes</specimenCount>
,
<collectionCode id="ED41AE40FFDEFFD8E0C9F9946BDBF9AA" box="[900,978,1622,1648]" country="Brazil" httpUri="http://grbio.org/cool/90vz-swjg" name="Museu Paraense Emilio Goeldi" pageId="2" pageNumber="231">MPEG</collectionCode>
n° 169177; 3vouchers,
<collectionCode id="ED41AE40FFDEFFD8E7A3F9946D35F9AA" box="[1262,1340,1622,1648]" country="Brazil" httpUri="http://grbio.org/cool/90vz-swjg" name="Museu Paraense Emilio Goeldi" pageId="2" pageNumber="231">MPEG</collectionCode>
n° 178 180.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C34A650EFFDEFFD8E38AF95C6AA5F892" pageId="2" pageNumber="231" type="etymology">
<paragraph id="8BEF3685FFDEFFD8E38AF95C6A03F906" blockId="2.[151,1437,1406,1973]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF95C695BF962" bold="true" box="[199,338,1694,1720]" pageId="2" pageNumber="231">Etymology:</emphasis>
The specific name is derived from the common name of the host, “cachorra,” used by the people of the Northeast Amazon,
<collectingCountry id="F3477615FFDEFFD8E2F3F9006A0FF906" box="[446,518,1730,1756]" name="Brazil" pageId="2" pageNumber="231">Brazil</collectingCountry>
.
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AF9246ABAF8FE" blockId="2.[151,1437,1406,1973]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF9246A6DF8DA" bold="true" box="[199,612,1765,1792]" pageId="2" pageNumber="231">Zoobank Life Science Identifier:</emphasis>
(LSID) for
<taxonomicName id="4C504D06FFDEFFD8E049F9246BF5F8DA" authority="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues, 2019" authorityName="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues" authorityYear="2019" box="[772,1020,1766,1792]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="2" pageNumber="231" phylum="Platyhelminthes" rank="species" species="cachorra" status="sp. nov.">
<emphasis id="B924EA97FFDEFFD8E049F9246BF5F8DA" box="[772,1020,1766,1792]" italics="true" pageId="2" pageNumber="231">Rhinoxenus cachorra</emphasis>
</taxonomicName>
<emphasis id="B924EA97FFDEFFD8E746F9246C5BF8DA" bold="true" box="[1035,1106,1766,1792]" pageId="2" pageNumber="231">
<taxonomicNameLabel id="A21757ECFFDEFFD8E746F9246C5BF8DA" box="[1035,1106,1766,1792]" pageId="2" pageNumber="231" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is
<uri id="FFC13A87FFDEFFD8E7C9F9246ABAF8FE" pageId="2" pageNumber="231">
urn:lsid:zoobank.org:act:
<uuid id="FFF60C50FFDEFFD8E3DAF8CB6ABAF8FE" box="[151,691,1801,1828]" pageId="2" pageNumber="231">9B20D7DD-0B6F-4191-967A-75466A0FCA90</uuid>
</uri>
</paragraph>
<paragraph id="8BEF3685FFDEFFD8E38AF8EF6AA5F892" blockId="2.[151,1437,1406,1973]" box="[199,684,1837,1865]" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF8EF6A28F892" bold="true" box="[199,545,1837,1864]" pageId="2" pageNumber="231">Comparative measurements:</emphasis>
see
<tableCitation id="C6D2033EFFDEFFD8E11FF8EC6AA1F892" box="[594,680,1838,1864]" captionStart="TABLE 2" captionStartId="5.[151,239,766,790]" captionTargetPageId="5" captionText="TABLE 2. Comparative measurements (in μm) of sclerotized structures of specimens of Rhinoxenus cachorra n. sp. and Rhinoxenus euryxenus Domingues &amp; Boeger, 2005" httpUri="http://table.plazi.org/id/DF2F660DFFD9FFDFE3DAFD3C6AECFCE0" pageId="2" pageNumber="231" tableUuid="DF2F660DFFD9FFDFE3DAFD3C6AECFCE0">Table 2</tableCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C34A650EFFDEFFDEE38AF8936CA2FC11" lastPageId="4" lastPageNumber="233" pageId="2" pageNumber="231" type="description">
<paragraph id="8BEF3685FFDEFFDEE38AF8936CA2FC11" blockId="2.[151,1437,1406,1973]" lastBlockId="4.[151,1437,153,1331]" lastPageId="4" lastPageNumber="233" pageId="2" pageNumber="231">
<emphasis id="B924EA97FFDEFFD8E38AF8936958F8B6" bold="true" box="[199,337,1873,1900]" pageId="2" pageNumber="231">Description</emphasis>
(based on ten specimens; five mounted in Hoyer and five mounted in Gomoris trichrome): Body fusiform, total length excluding haptor 511 (475550; n= 5), total width at level of germarium 141 (105170; n=5) (
<figureCitation id="136B2A00FFDEFFD8E391F8586914F86E" box="[220,285,1946,1972]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="2" pageNumber="231">Fig. 1</figureCitation>
). Tegument smooth. Cephalic region broad; cephalic lobes inconspicuous; three bilateral pairs of head organs with rod-shaped secretion; cephalic glands not observed. Two pairs of eyespots; anterior eyes slightly farther apart than posterior pair; accessory chromatic granules absent. Mouth subterminal, midventral; pharynx muscular, ovate to subspherical, 31 (2728; n= 6) long, 28 (2432; n=6) wide; esophagus short. Two intestinal ceca, confluent posteriorly to gonads, lacking diverticula. Common genital pore opening midventral near level of cecal bifurcation; genital atrium muscular. Intercecal gonads, overlapping. Testis dorsal to germarium, fusiform, 37 (2550; n=2) long, 28 (1542; n=2) wide (observed only in
<typeStatus id="54EB8827FFD8FFDEE1FDFE8F6B28FEBD" box="[688,801,333,359]" pageId="4" pageNumber="233" type="paratype">paratypes</typeStatus>
). Vas deferens apparently looping left intestinal cecum; seminal vesicle sigmoid, representing a dilation in the vas deferens, with distal portion looping posteriorly before entering MCO base. Single prostatic reservoir, bifurcated, posterior to copulatory complex. Copulatory complex comprising MCO, accessory piece (
<figureCitation id="136B2A00FFD8FFDEE16AFE7B6A65FE09" box="[551,620,441,467]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="4" pageNumber="233">Fig. 2</figureCitation>
). MCO sclerotized, tubular, spiral, counterclockwise, with two coils, 139 (100157; n=4) long, base with sclerotized cap, distal aperture acute; circular sclerotized tandem brim associated with MCO base. Accessory piece, articulated with MCO, comprising complex sheath with distal portion expanded, bifid. Germarium fusiform, 52 (4080; n=4) long, 23 (2225; n=4) wide. Eggs, Mehlis glands, ootype not observed. Vagina single, sclerotized, opening ventrally at the left body margin, at level of vitelline commissure; vaginal vestibule heavily sclerotized at distal portion; vaginal canal sclerotized, sigmoid. Seminal receptacle broad, anterior to germarium. Vitellaria well developed, coextensive with intestinal ceca. Haptor subtrapezoidal, 150 (125175; n=4) long, 117 (100137; n=4) wide. Anchors dissimilar. Ventral anchor 111 (107115; n=5) long, with inconspicuous roots; base 36 (3238; n=5) width, with sclerotized cap; shaft recurved near mid-length, point with fish-hook-like termination (
<figureCitation id="136B2A00FFD8FFDEE266FD3F697BFCCD" box="[299,370,765,791]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="4" pageNumber="233">Fig. 8</figureCitation>
). Dorsal anchor 120 (114130; n=4), with blunt proximal end covered by subtle sclerotized cap, straight shaft, tapered distal end (
<figureCitation id="136B2A00FFD8FFDEE107FCE36A99FCE1" box="[586,656,801,827]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="4" pageNumber="233">Fig. 9</figureCitation>
). Ventral bar with ends ventrally bent toward to its posterior portion (
<figureCitation id="136B2A00FFD8FFDEE3D2FC87690CFCBA" box="[159,261,837,864]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="4" pageNumber="233">Figs 67</figureCitation>
). Dorsal bar absent. Hooks dissimilar in shape, comprising shank of two subunits; filamentous hook loop extended near to beginning of shank dilation; hook pair 2, 28 (2532; n=10) long, with erect thumb, curved shaft, short point, proximal ½ of shank inflated (
<figureCitation id="136B2A00FFD8FFDEE13FFC4F6ABCFC7D" box="[626,693,909,935]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="4" pageNumber="233">Fig. 3</figureCitation>
); hook pairs 1, 37, 32 (3035; n=7) long, with slightly depressed to straight thumb, slightly curved shaft, short point, proximal ¾ of shank inflated (
<figureCitation id="136B2A00FFD8FFDEE77CFC736C96FC11" box="[1073,1183,944,971]" captionStart="FIGURES 19" captionStartId="3.[151,264,1934,1959]" captionTargetBox="[162,1430,183,1862]" captionTargetId="figure@3.[151,1436,166,1862]" captionTargetPageId="3" captionText="FIGURES 19. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 37. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor." figureDoi="http://doi.org/10.5281/zenodo.3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="4" pageNumber="233">Figs. 45</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="DF2F660DFFDFFFD9E3DAF84C68EBF835" ID-DOI="http://doi.org/10.5281/zenodo.3548430" ID-Zenodo-Dep="3548430" httpUri="https://zenodo.org/record/3548430/files/figure.png" pageId="3" pageNumber="232" startId="3.[151,264,1934,1959]" targetBox="[162,1430,183,1862]" targetPageId="3">
<paragraph id="8BEF3685FFDFFFD9E3DAF84C68EBF835" blockId="3.[151,1437,1934,2031]" pageId="3" pageNumber="232">
<emphasis id="B924EA97FFDFFFD9E3DAF84C6932F87D" bold="true" box="[151,315,1934,1959]" pageId="3" pageNumber="232">FIGURES 19.</emphasis>
<taxonomicName id="4C504D06FFDFFFD9E20FF84D6A15F87D" authority="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues, 2019" authorityName="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues" authorityYear="2019" box="[322,540,1935,1959]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="3" pageNumber="232" phylum="Platyhelminthes" rank="species" species="cachorra" status="sp. nov.">
<emphasis id="B924EA97FFDFFFD9E20FF84D6A15F87D" box="[322,540,1935,1959]" italics="true" pageId="3" pageNumber="232">Rhinoxenus cachorra</emphasis>
</taxonomicName>
<emphasis id="B924EA97FFDFFFD9E16FF84D6A7FF87D" bold="true" box="[546,630,1934,1959]" pageId="3" pageNumber="232">
<taxonomicNameLabel id="A21757ECFFDFFFD9E16FF84D6A55F87D" box="[546,604,1935,1959]" pageId="3" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
1.
</emphasis>
Holotype whole-mount (ventral) (composite).
<emphasis id="B924EA97FFDFFFD9E71EF84C6C6FF87D" bold="true" box="[1107,1126,1934,1959]" pageId="3" pageNumber="232">2.</emphasis>
Copulatory complex.
<emphasis id="B924EA97FFDFFFD9E607F84C6D54F87D" bold="true" box="[1354,1373,1934,1959]" pageId="3" pageNumber="232">3.</emphasis>
Hook pair 2.
<emphasis id="B924EA97FFDFFFD9E393F87068F8F811" bold="true" box="[222,241,1970,1995]" pageId="3" pageNumber="232">4.</emphasis>
Hook pair 1.
<emphasis id="B924EA97FFDFFFD9E231F8716986F811" bold="true" box="[380,399,1971,1995]" pageId="3" pageNumber="232">5.</emphasis>
Hook pair 37.
<emphasis id="B924EA97FFDFFFD9E179F8706A4FF811" bold="true" box="[564,582,1970,1995]" pageId="3" pageNumber="232">6.</emphasis>
Ventral bar (view, ventral).
<emphasis id="B924EA97FFDFFFD9E02FF8716B7CF811" bold="true" box="[866,885,1971,1995]" pageId="3" pageNumber="232">7.</emphasis>
Ventral bar (view, dorsal).
<emphasis id="B924EA97FFDFFFD9E7C5F8706C93F811" bold="true" box="[1160,1178,1970,1995]" pageId="3" pageNumber="232">8.</emphasis>
Ventral anchor.
<emphasis id="B924EA97FFDFFFD9E60DF8706D5BF811" bold="true" box="[1344,1362,1970,1995]" pageId="3" pageNumber="232">9.</emphasis>
Dorsal anchor.
</paragraph>
</caption>
<subSubSection id="C34A650EFFD8FFDEE38AFC176C25FAE9" pageId="4" pageNumber="233" type="discussion">
<paragraph id="8BEF3685FFD8FFDEE38AFC176C25FAE9" blockId="4.[151,1437,153,1331]" pageId="4" pageNumber="233">
<emphasis id="B924EA97FFD8FFDEE38AFC176934FC35" bold="true" box="[199,317,981,1007]" pageId="4" pageNumber="233">Remarks:</emphasis>
<taxonomicName id="4C504D06FFD8FFDEE209FC176A3CFC35" authority="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues, 2019" authorityName="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues" authorityYear="2019" box="[324,565,981,1007]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="cachorra" status="sp. nov.">
<emphasis id="B924EA97FFD8FFDEE209FC176A3CFC35" box="[324,565,981,1007]" italics="true" pageId="4" pageNumber="233">Rhinoxenus cachorra</emphasis>
</taxonomicName>
<emphasis id="B924EA97FFD8FFDEE176FC176A73FC35" bold="true" box="[571,634,981,1007]" pageId="4" pageNumber="233">
<taxonomicNameLabel id="A21757ECFFD8FFDEE176FC176A73FC35" box="[571,634,981,1007]" pageId="4" pageNumber="233" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is similar to
<taxonomicName id="4C504D06FFD8FFDEE041FC176D41FC35" authority="Domingues &amp; Boeger, 2005" authorityName="Domingues &amp; Boeger" authorityYear="2005" box="[780,1352,980,1007]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="euryxenus">
<emphasis id="B924EA97FFD8FFDEE041FC176C0EFC35" box="[780,1031,981,1007]" italics="true" pageId="4" pageNumber="233">Rhinoxenus euryxenus</emphasis>
<bibRefCitation id="EFC14B74FFD8FFDEE740FC176D41FC35" author="Domingues, M. V. &amp; Boeger, W. A." box="[1037,1352,980,1007]" pageId="4" pageNumber="233" pagination="441 - 467" refId="ref9269" refString="Domingues, M. V. &amp; Boeger, W. A. (2005) Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species. Zoosystema, 27, 441 - 467." type="journal article" year="2005">Domingues &amp; Boeger, 2005</bibRefCitation>
</taxonomicName>
mainly due to the morphology of the haptoral structures. Both species have a ventral anchor with inconspicuous roots and a sclerotized cap on the base of the anchor with projection for articulation to ventral bar; shaft recurved near the mid-length, point with fish-hook-like termination; a ventral bar with ends ventrally bent toward to its posterior portion. The new species differs from
<taxonomicName id="4C504D06FFD8FFDEE108FBA46ADEFBA5" authorityName="Domingues &amp; Boeger" authorityYear="2005" box="[581,727,1126,1151]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="euryxenus">
<emphasis id="B924EA97FFD8FFDEE108FBA46ADEFBA5" box="[581,727,1126,1151]" italics="true" pageId="4" pageNumber="233">R. euryxenus</emphasis>
</taxonomicName>
by the presence of a spiraled MCO with two counterclockwise coils (from one and a half to two coils in
<taxonomicName id="4C504D06FFD8FFDEE128FB486AFFFB79" authorityName="Domingues &amp; Boeger" authorityYear="2005" box="[613,758,1162,1187]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="euryxenus">
<emphasis id="B924EA97FFD8FFDEE128FB486AFFFB79" box="[613,758,1162,1187]" italics="true" pageId="4" pageNumber="233">R. euryxenus</emphasis>
</taxonomicName>
), and an accessory piece with an expanded, bifurcated distal portion (cone-like in
<taxonomicName id="4C504D06FFD8FFDEE2CCFB6C6A19FB1D" authorityName="Domingues &amp; Boeger" authorityYear="2005" box="[385,528,1198,1223]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="euryxenus">
<emphasis id="B924EA97FFD8FFDEE2CCFB6C6A19FB1D" box="[385,528,1198,1223]" italics="true" pageId="4" pageNumber="233">R. euryxenus</emphasis>
</taxonomicName>
). Finally, these species differ on the morphology of the point of the ventral anchor and hook pair 2;
<taxonomicName id="4C504D06FFD8FFDEE217FB1069E5FB31" authorityName="Domingues &amp; Boeger" authorityYear="2005" box="[346,492,1234,1259]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="euryxenus">
<emphasis id="B924EA97FFD8FFDEE217FB1069E5FB31" box="[346,492,1234,1259]" italics="true" pageId="4" pageNumber="233">R. euryxenus</emphasis>
</taxonomicName>
has the point of ventral anchor with saucer-like termination, and the hook pair 2 is robust, with an erect and robust thumb, whereas
<taxonomicName id="4C504D06FFD8FFDEE1F6FB376BA5FAD5" authority="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues, 2019" authorityName="Soares &amp; Magalhães &amp; Silva &amp; Carneiro &amp; Barbosa &amp; Costa &amp; Domingues" authorityYear="2019" box="[699,940,1269,1295]" class="Monogenea" family="Ancyrocephalidae" genus="Rhinoxenus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dactylogyridea" pageId="4" pageNumber="233" phylum="Platyhelminthes" rank="species" species="cachorra" status="sp. nov.">
<emphasis id="B924EA97FFD8FFDEE1F6FB376BA5FAD5" box="[699,940,1269,1295]" italics="true" pageId="4" pageNumber="233">Rhinoxenus cachorra</emphasis>
</taxonomicName>
<emphasis id="B924EA97FFD8FFDEE0FEFB376BFBFAD5" bold="true" box="[947,1010,1269,1295]" pageId="4" pageNumber="233">
<taxonomicNameLabel id="A21757ECFFD8FFDEE0FEFB376BFBFAD5" box="[947,1010,1269,1295]" pageId="4" pageNumber="233" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
has the point with hook-like termination, the hook pair 2 is not robust and its thumb, although erect, is also not robust.
</paragraph>
</subSubSection>
</treatment>
</document>