171 lines
24 KiB
XML
171 lines
24 KiB
XML
<document id="80500DBAD93D2DB453B9199164B39C10" ID-DOI="10.5281/zenodo.196033" ID-GBIF-Dataset="a86ba3e8-b241-4166-a37a-5abb4b60edcc" ID-ISSN="1175-5326" ID-Zenodo-Dep="196033" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460236847220" checkinUser="plazi" docAuthor="Rubio-Godoy, Miguel, Paladini, Giuseppe & García-Vásquez, Adriana" docDate="2010" docId="03BC2F40FFE4056EFF54F9A38B39E360" docLanguage="en" docName="zt02509p029.pdf" docOrigin="Zootaxa 2509" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Gyrodactylus cytophagus Paperna 1968" docType="treatment" docVersion="10" lastPageNumber="17" masterDocId="FF855738FFF4057FFFC3FFB1897BE227" masterDocTitle="Gyrodactylus jarocho sp. nov. and Gyrodactylus xalapensis sp. nov. (Platyhelminthes: Monogenea) from Mexican poeciliids (Teleostei: Cyprinodontiformes), with comments on the known gyrodactylid fauna infecting poeciliid fish" masterLastPageNumber="29" masterPageNumber="1" pageNumber="17" updateTime="1698239766500" updateUser="plazi">
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<mods:title id="1D6259DAD6B14960E954C8F13FD0D9FA">Gyrodactylus jarocho sp. nov. and Gyrodactylus xalapensis sp. nov. (Platyhelminthes: Monogenea) from Mexican poeciliids (Teleostei: Cyprinodontiformes), with comments on the known gyrodactylid fauna infecting poeciliid fish</mods:title>
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<mods:name id="F28F3FD5E687CB493D792B6613814A21" type="personal">
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<mods:roleTerm id="01CCF9150207069802AB576FEA76A3FA">Author</mods:roleTerm>
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<mods:namePart id="B784C897C5B00F1031A34F6FA33B79FA">Rubio-Godoy, Miguel</mods:namePart>
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<mods:name id="7FD009A0457B99B96545DC6D83880B72" type="personal">
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<mods:namePart id="5D71593CCCF25297FE9A381A1E62CCFE">Paladini, Giuseppe</mods:namePart>
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<mods:name id="9C72010FE44652BC1F12B3C4B4ABCC70" type="personal">
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<mods:roleTerm id="A5DF5AD5194A019A11006F1129C12FAF">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="086CC849D482210D585D1A47E94EB922">García-Vásquez, Adriana</mods:namePart>
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<mods:typeOfResource id="035B1C5C60125E82CEB5E9993E3F4642">text</mods:typeOfResource>
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<mods:title id="AE68D808DE3D50C3944DC6BBE44B869A">Zootaxa</mods:title>
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<mods:date id="692D483D67E9B8C7524A5B96B2FE7AF2">2010</mods:date>
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<mods:detail id="A69C8EA6F212AA042ADEFF48C20B868C" type="volume">
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<mods:number id="08A63C1C7EFDD424AB451A5C39AF3EB2">2509</mods:number>
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<mods:classification id="AF4CB61C34C1259734D511E1ACA6B3CF">journal article</mods:classification>
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<mods:identifier id="BB8991F9DC7D32FC17BF87C3A6730BC4" type="DOI">10.5281/zenodo.196033</mods:identifier>
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<mods:identifier id="469DC4CA8B85BE51E17811248029D699" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="0A00E31B19D94C6187779E8714FCB275" type="Zenodo-Dep">196033</mods:identifier>
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<treatment id="03BC2F40FFE4056EFF54F9A38B39E360" ID-DOI="http://doi.org/10.5281/zenodo.6211393" ID-GBIF-Taxon="119388546" ID-Zenodo-Dep="6211393" LSID="urn:lsid:plazi:treatment:03BC2F40FFE4056EFF54F9A38B39E360" httpUri="http://treatment.plazi.org/id/03BC2F40FFE4056EFF54F9A38B39E360" lastPageId="17" lastPageNumber="17" pageId="16" pageNumber="17">
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<subSubSection id="C30FCDDDFFE4056FFF54F9A388BDE468" pageId="16" pageNumber="17" type="nomenclature">
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<paragraph id="8BAA9E56FFE4056FFF54F9A38BFAE40B" blockId="16.[151,641,1554,1615]" box="[151,641,1554,1580]" pageId="16" pageNumber="17">
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<heading id="D0E2293AFFE4056FFF54F9A38BFAE40B" bold="true" box="[151,641,1554,1580]" fontSize="11" level="1" pageId="16" pageNumber="17" reason="1">
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<taxonomicName id="4C15E5D5FFE4056FFF54F9A38BFAE40B" ID-CoL="3HZ3B" authority="Paperna, 1968" authorityName="Paperna" authorityYear="1968" box="[151,641,1554,1580]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="species" species="cytophagus">
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<emphasis id="B9614244FFE4056FFF54F9A38BFAE40B" bold="true" box="[151,641,1554,1580]" pageId="16" pageNumber="17">
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<emphasis id="B9614244FFE4056FFF54F9A388BDE40B" bold="true" box="[151,454,1554,1580]" italics="true" pageId="16" pageNumber="17">Gyrodactylus cytophagus</emphasis>
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<bibRefCitation id="EF84E3A7FFE4056FFE0DF9A38BFAE40B" author="Paperna" box="[462,641,1554,1580]" pageId="16" pageNumber="26" refString="Paperna, I. (1968) Monogenetic trematodes collected from freshwater fish in Ghana. Second report. Bamidgeh, 20, 88 - 90." type="journal article" year="1968">Paperna, 1968</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BAA9E56FFE4056FFF54F98488BDE468" blockId="16.[151,641,1554,1615]" box="[151,454,1589,1615]" pageId="16" pageNumber="17">
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(
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<figureCitation id="132E82D3FFE4056FFF5CF984887EE468" box="[159,261,1589,1615]" captionStart="FIGURES 1 – 14. A" captionStartId="7.[151,269,1693,1717]" captionTargetBox="[212,1390,185,1692]" captionTargetId="figure@7.[212,1400,168,1694]" captionTargetPageId="7" captionText="FIGURES 1 – 14. A size invariant comparison of the marginal hook sickles of two new species of Gyrodactylus with the nine species previously recorded infecting poeciliids. 1. Gyrodactylus jarocho sp. nov.; 2. Gyrodactylus xalapensis sp. nov.; 3. Gyrodactylus bullatarudis Turnbull, 1956 (re-examination); 4. Overlay of G. bullatarudis with G. j a ro c h o sp. nov. (broken line); 5. Overlay of G. bullatarudis with G. xalapensis sp. nov. (broken line); 6. Gyrodactylus costaricensis Kritsky & Fritts, 1970 (re – examination); 7. Overlay of G. costaricensis with G. j a ro c h o sp. nov. (broken line); 8. Overlay of G. costaricensis with G. xalapensis sp. nov. (broken line); 9. Gyrodactylus cytophagus Paperna, 1968 (reexamination); 10. Overlay of G. cytophagus with G. ja ro c ho sp. nov. (broken line); 11. Overlay of G. cytophagus with G. xalapensis sp. nov. (broken line); 12. Gyrodactylus gambusiae Rogers & Wellborn, 1965 (re-examination); 13. Overlay of G. gambusiae with G. j a ro c h o sp. nov. (broken line); 14. Overlay of G. gambusiae with G. xalapensis sp. nov. (broken line). Scale bars = 3 µm." httpUri="https://zenodo.org/record/196034/files/figure.png" pageId="16" pageNumber="17">Figure 9</figureCitation>
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;
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<tableCitation id="C697ABEDFFE4056FFED0F984880EE468" box="[275,373,1589,1615]" captionStart="TABLE 4" captionStartId="13.[124,205,545,566]" captionTargetBox="[124,1930,606,1557]" captionTargetPageId="13" captionText="TABLE 4. Morphological characters of poeciliid Gyrodactylus spp. Re-measured in this study." httpUri="http://table.plazi.org/id/DF6ACEDEFFF90572FFBFFD908D69E011" pageId="16" pageNumber="17" tableUuid="DF6ACEDEFFF90572FFBFFD908D69E011">Tables 4</tableCitation>
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and 7)
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</paragraph>
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</subSubSection>
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<subSubSection id="C30FCDDDFFE4056FFF54F9CE88C5E508" pageId="16" pageNumber="17" type="materials_examined">
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<paragraph id="8BAA9E56FFE4056FFF54F9CE8A89E4BD" blockId="16.[151,1436,1663,2026]" box="[151,1010,1663,1690]" pageId="16" pageNumber="17">
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<emphasis id="B9614244FFE4056FFF54F9CE8862E4BE" bold="true" box="[151,281,1663,1689]" pageId="16" pageNumber="17">
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<typeStatus id="54AE20F4FFE4056FFF54F9CE89A9E4BE" box="[151,210,1663,1689]" pageId="16" pageNumber="17">Type</typeStatus>
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host:
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</emphasis>
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<taxonomicName id="4C15E5D5FFE4056FFEE2F9318BB8E4BD" authority="Boulenger" authorityName="Boulenger" box="[289,707,1664,1690]" class="Actinopterygii" family="Poeciliidae" genus="Aplocheilichthys" kingdom="Animalia" order="Cyprinodontiformes" pageId="16" pageNumber="17" phylum="Chordata" rank="species" species="pumilis">
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<emphasis id="B9614244FFE4056FFEE2F9318B3AE4BE" box="[289,577,1664,1689]" italics="true" pageId="16" pageNumber="17">Aplocheilichthys pumilis</emphasis>
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Boulenger
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</taxonomicName>
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(“Tanganyika lampeye”).
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</paragraph>
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<paragraph id="8BAA9E56FFE4056FFF07F91488AEE498" blockId="16.[151,1436,1663,2026]" box="[196,469,1701,1727]" pageId="16" pageNumber="17">
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<emphasis id="B9614244FFE4056FFF07F91488EAE498" bold="true" box="[196,401,1701,1727]" pageId="16" pageNumber="17">Site of infection:</emphasis>
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Skin.
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</paragraph>
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<paragraph id="8BAA9E56FFE4056FFF07F97B8D60E4C3" blockId="16.[151,1436,1663,2026]" box="[196,1051,1738,1764]" pageId="16" pageNumber="17">
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<emphasis id="B9614244FFE4056FFF07F97B8816E4C3" bold="true" box="[196,365,1738,1764]" pageId="16" pageNumber="17">
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<typeStatus id="54AE20F4FFE4056FFF07F97B8984E4C3" box="[196,255,1738,1764]" pageId="16" pageNumber="17">Type</typeStatus>
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locality:
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</emphasis>
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Akuse Lagoon, Adutor Lagoon and Nungua Dam,
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<collectingCountry id="F302DEC6FFE4056FFC04F97B8D6CE4C3" box="[967,1047,1738,1764]" name="Ghana" pageId="16" pageNumber="17">Ghana</collectingCountry>
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.
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</paragraph>
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<paragraph id="8BAA9E56FFE4056FFF07F95E88C5E508" blockId="16.[151,1436,1663,2026]" pageId="16" pageNumber="17">
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<emphasis id="B9614244FFE4056FFF07F95E8881E52E" bold="true" box="[196,506,1775,1801]" pageId="16" pageNumber="17">
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<typeStatus id="54AE20F4FFE4056FFF07F95E887AE52E" box="[196,257,1775,1801]" pageId="16" pageNumber="17">Type</typeStatus>
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material examined:
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</emphasis>
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One
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<typeStatus id="54AE20F4FFE4056FFDFBF9418BE6E52D" box="[568,669,1776,1802]" pageId="16" pageNumber="17" type="paratype">paratype</typeStatus>
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(MRAC-M.T.35.944) from
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<taxonomicName id="4C15E5D5FFE4056FFC25F9418D27E52E" box="[998,1116,1776,1801]" class="Actinopterygii" family="Poeciliidae" genus="Aplocheilichthys" kingdom="Animalia" order="Cyprinodontiformes" pageId="16" pageNumber="17" phylum="Chordata" rank="species" species="pumilis">
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<emphasis id="B9614244FFE4056FFC25F9418D27E52E" box="[998,1116,1776,1801]" italics="true" pageId="16" pageNumber="17">A. pumilis</emphasis>
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</taxonomicName>
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collected from the swamps of Malaba river,
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<collectingCountry id="F302DEC6FFE4056FFE99F8A488C2E508" box="[346,441,1813,1839]" name="Uganda" pageId="16" pageNumber="17">Uganda</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30FCDDDFFE4056EFF07F88B8B39E360" lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17" type="discussion">
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<paragraph id="8BAA9E56FFE4056EFF07F88B8B39E360" blockId="16.[151,1436,1663,2026]" lastBlockId="17.[151,1436,152,327]" lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17">
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<emphasis id="B9614244FFE4056FFF07F88B882EE573" bold="true" box="[196,341,1850,1876]" pageId="16" pageNumber="17">Comments:</emphasis>
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This represents the only currently known gyrodactylid described from a poeciliid originating from the Afrotropics. Although the overall marginal hook sickle dimensions of
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<taxonomicName id="4C15E5D5FFE4056FFB82F8D18D93E55E" box="[1089,1256,1888,1913]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="species" species="cytophagus">
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<emphasis id="B9614244FFE4056FFB82F8D18D93E55E" box="[1089,1256,1888,1913]" italics="true" pageId="16" pageNumber="17">G. cytophagus</emphasis>
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</taxonomicName>
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and
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<emphasis id="B9614244FFE4056FFAE2F8D18CE3E55E" box="[1313,1432,1888,1913]" italics="true" pageId="16" pageNumber="17">G. j a ro c h o</emphasis>
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<emphasis id="B9614244FFE4056FFF54F834898CE5B8" bold="true" box="[151,247,1925,1951]" pageId="16" pageNumber="17">sp. nov.</emphasis>
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are similar, the two can be readily separated (
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<figureCitation id="132E82D3FFE4056FFCE3F8348AE2E5B8" box="[800,921,1925,1951]" captionStart="FIGURES 1 – 14. A" captionStartId="7.[151,269,1693,1717]" captionTargetBox="[212,1390,185,1692]" captionTargetId="figure@7.[212,1400,168,1694]" captionTargetPageId="7" captionText="FIGURES 1 – 14. A size invariant comparison of the marginal hook sickles of two new species of Gyrodactylus with the nine species previously recorded infecting poeciliids. 1. Gyrodactylus jarocho sp. nov.; 2. Gyrodactylus xalapensis sp. nov.; 3. Gyrodactylus bullatarudis Turnbull, 1956 (re-examination); 4. Overlay of G. bullatarudis with G. j a ro c h o sp. nov. (broken line); 5. Overlay of G. bullatarudis with G. xalapensis sp. nov. (broken line); 6. Gyrodactylus costaricensis Kritsky & Fritts, 1970 (re – examination); 7. Overlay of G. costaricensis with G. j a ro c h o sp. nov. (broken line); 8. Overlay of G. costaricensis with G. xalapensis sp. nov. (broken line); 9. Gyrodactylus cytophagus Paperna, 1968 (reexamination); 10. Overlay of G. cytophagus with G. ja ro c ho sp. nov. (broken line); 11. Overlay of G. cytophagus with G. xalapensis sp. nov. (broken line); 12. Gyrodactylus gambusiae Rogers & Wellborn, 1965 (re-examination); 13. Overlay of G. gambusiae with G. j a ro c h o sp. nov. (broken line); 14. Overlay of G. gambusiae with G. xalapensis sp. nov. (broken line). Scale bars = 3 µm." httpUri="https://zenodo.org/record/196034/files/figure.png" pageId="16" pageNumber="17">Figure 10</figureCitation>
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). The sickle base of
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<taxonomicName id="4C15E5D5FFE4056FFB51F8348C41E5B9" box="[1170,1338,1925,1950]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="species" species="cytophagus">
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<emphasis id="B9614244FFE4056FFB51F8348C41E5B9" box="[1170,1338,1925,1950]" italics="true" pageId="16" pageNumber="17">G. cytophagus</emphasis>
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</taxonomicName>
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is more slender, approximately rhomboid with a slightly curved underside rising towards the toe. The sickle base of
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<taxonomicName id="4C15E5D5FFE4056FFA40F81A898AE5CE" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="16" pageNumber="17" phylum="Platyhelminthes" rank="species" species="jarocho" status="sp. nov.">
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<emphasis id="B9614244FFE4056FFA40F81A898AE5CE" italics="true" pageId="16" pageNumber="17">G. jarocho</emphasis>
|
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</taxonomicName>
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<taxonomicNameLabel id="A252FF3FFFE4056FFF3BF87E882DE5CE" box="[248,342,1999,2025]" pageId="16" pageNumber="17" rank="species">
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<emphasis id="B9614244FFE4056FFF3BF87E882DE5CE" bold="true" box="[248,342,1999,2025]" pageId="16" pageNumber="17">sp. nov.</emphasis>
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</taxonomicNameLabel>
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by comparison is deeper, more triangular in shape with a heel that is roughly double the size of that of
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<taxonomicName id="4C15E5D5FFE5056EFECEFF2988CEE296" box="[269,437,152,177]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="17" pageNumber="18" phylum="Platyhelminthes" rank="species" species="cytophagus">
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||
<emphasis id="B9614244FFE5056EFECEFF2988CEE296" box="[269,437,152,177]" italics="true" pageId="17" pageNumber="18">G. cytophagus</emphasis>
|
||
</taxonomicName>
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||
. The shaft of
|
||
<taxonomicName id="4C15E5D5FFE5056EFD9EFF298A7DE296" box="[605,774,152,177]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="17" pageNumber="18" phylum="Platyhelminthes" rank="species" species="cytophagus">
|
||
<emphasis id="B9614244FFE5056EFD9EFF298A7DE296" box="[605,774,152,177]" italics="true" pageId="17" pageNumber="18">G. cytophagus</emphasis>
|
||
</taxonomicName>
|
||
gently curves into the point region which terminates in line with the toe. The large curved open face of the marginal hook sickle of
|
||
<taxonomicName id="4C15E5D5FFE5056EFBC4FF0C8DD0E2F1" box="[1031,1195,189,214]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="17" pageNumber="18" phylum="Platyhelminthes" rank="species" species="cytophagus">
|
||
<emphasis id="B9614244FFE5056EFBC4FF0C8DD0E2F1" box="[1031,1195,189,214]" italics="true" pageId="17" pageNumber="18">G. cytophagus</emphasis>
|
||
</taxonomicName>
|
||
is a marked contrast to the smaller, more closed aperture of
|
||
<taxonomicName id="4C15E5D5FFE5056EFDA3FF538B87E2DC" box="[608,764,226,251]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="17" pageNumber="18" phylum="Platyhelminthes" rank="species" species="xalapensis" status="sp. nov.">
|
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<emphasis id="B9614244FFE5056EFDA3FF538B87E2DC" box="[608,764,226,251]" italics="true" pageId="17" pageNumber="18">G. xalapensis</emphasis>
|
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</taxonomicName>
|
||
<taxonomicNameLabel id="A252FF3FFFE5056EFCC0FF538A1BE2DB" box="[771,864,226,252]" pageId="17" pageNumber="18" rank="species">
|
||
<emphasis id="B9614244FFE5056EFCC0FF538A1BE2DB" bold="true" box="[771,864,226,252]" pageId="17" pageNumber="18">sp. nov.</emphasis>
|
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</taxonomicNameLabel>
|
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(
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<figureCitation id="132E82D3FFE5056EFCACFF538A98E2DB" box="[879,995,226,252]" captionStart="FIGURES 1 – 14. A" captionStartId="7.[151,269,1693,1717]" captionTargetBox="[212,1390,185,1692]" captionTargetId="figure@7.[212,1400,168,1694]" captionTargetPageId="7" captionText="FIGURES 1 – 14. A size invariant comparison of the marginal hook sickles of two new species of Gyrodactylus with the nine species previously recorded infecting poeciliids. 1. Gyrodactylus jarocho sp. nov.; 2. Gyrodactylus xalapensis sp. nov.; 3. Gyrodactylus bullatarudis Turnbull, 1956 (re-examination); 4. Overlay of G. bullatarudis with G. j a ro c h o sp. nov. (broken line); 5. Overlay of G. bullatarudis with G. xalapensis sp. nov. (broken line); 6. Gyrodactylus costaricensis Kritsky & Fritts, 1970 (re – examination); 7. Overlay of G. costaricensis with G. j a ro c h o sp. nov. (broken line); 8. Overlay of G. costaricensis with G. xalapensis sp. nov. (broken line); 9. Gyrodactylus cytophagus Paperna, 1968 (reexamination); 10. Overlay of G. cytophagus with G. ja ro c ho sp. nov. (broken line); 11. Overlay of G. cytophagus with G. xalapensis sp. nov. (broken line); 12. Gyrodactylus gambusiae Rogers & Wellborn, 1965 (re-examination); 13. Overlay of G. gambusiae with G. j a ro c h o sp. nov. (broken line); 14. Overlay of G. gambusiae with G. xalapensis sp. nov. (broken line). Scale bars = 3 µm." httpUri="https://zenodo.org/record/196034/files/figure.png" pageId="17" pageNumber="18">Figure 11</figureCitation>
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). The PCA plots (
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<figureCitation id="132E82D3FFE5056EFB75FF538C4CE2DB" box="[1206,1335,226,252]" captionStart="FIGURE 30" captionStartId="11.[151,255,1160,1184]" captionTargetBox="[168,1427,206,1129]" captionTargetId="figure@11.[160,1431,194,1133]" captionTargetPageId="11" captionText="FIGURE 30. Principal Components Analysis plot (Factor 1 vs Factor 2) of the 13 point-to-point measurements made on 45 gyrodactylids collected from a range of poeciliid hosts. Separation of the specimens is principally influenced by the hamulus total length (HTL), shaft length (HSL), point length (HPL) and aperture distance (HA) acting along Factor 1 in a negative direction, and the inner (CosIHAA) and outer (CosHAA) hamulus angles acting along Factor 1 in a positive direction. The total length (MHTL) and the shaft length (MHSL) of the marginal hook are key variables in the separation of specimens along Factor 2. The raw ellipses highlight the specimens of Gyrodactylus xalapensis sp. nov. from Heterandria bimaculata Heckel (1), and Gyrodactylus jarocho sp. nov. from Xiphophorus hellerii Heckel (2). Plot codes: a. Gyrodactylus bullatarudis Turnbull, 1956 from Poecilia mexicana Steindachner; b. G. bullatarudis from X. hellerii; c. G. j a ro c h o sp. nov. from X. hellerii; d. G. xalapensis from H. bimaculata; e. G. bullatarudis paratype from Poecilia sphenops Valenciennes; f. Gyrodactylus costaricensis Kritsky & Fritts, 1970 from P. sphenops; g. Gyrodactylus gambusiae Rogers & Wellborn, 1965 from Gambusia affinis Baird & Girard; h. Gyrodactylus pictae Cable, van Oosterhout, Barson & Harris, 2005 from Micropoecilia (= Poecilia) picta Regan; i. Gyrodactylus turnbulli Harris, 1986 from Poecilia reticulata Peters; j. Gyrodactylus poeciliae Harris & Cable, 2000 from Poecilia caucana Steindachner; k. Gyrodactylus milleri Harris & Cable, 2000 from P. caucana; l. Gyrodactylus cytophagus Paperna, 1968 from Aplocheilichthys pumilus Boulenger; m. Gyrodactylus rasini Lucký, 1973 from X. hellerii." httpUri="https://zenodo.org/record/196036/files/figure.png" pageId="17" pageNumber="18">Figures 30</figureCitation>
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,
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<figureCitation id="132E82D3FFE5056EFA80FF538C1AE2DB" box="[1347,1377,226,252]" captionStart="FIGURE 31" captionStartId="12.[151,257,1687,1711]" captionTargetBox="[187,1412,721,1644]" captionTargetId="figure@12.[168,1424,717,1658]" captionTargetPageId="12" captionText="FIGURE 31. Principal components analysis plot (Factor 1 vs Factor 2) of Gyrodactylus bullatarudis Turnbull, 1956, Gyrodactylus cytophagus Paperna, 1968, Gyrodactylus poeciliae Harris & Cable, 2000, Gyrodactylys rasini Lucký, 1973 and Gyrodactylus xalapensis sp. nov. (13 ln - transformed variables; n = 29 specimens). The specimens of G. xalapensis sp. nov. (ellipse 1) are clearly separated from G. rasini (ellipse 2). Separation of the specimens is effected by the several hamulus variables acting along Factor 1 (total length (HTL), shaft length (HSL), point length (HPL), aperture distance (HA), distal shaft width (HDSW) and the proximal shaft width (HPSW )) and by point curve angle of the hamulus (CosHPCA), the total length (MHTL) and shaft length (MHSL) of the marginal hook acting through Factor 2. Plot codes: a. G. bullatarudis from Poecilia mexicana Steindachner; b. G. bullatarudis from Xiphophorus hellerii Heckel; d. G. xalapensis sp. nov. from Heterandria bimaculata Heckel; e. G. bullatarudis paratype from Poecilia sphenops Valenciennes; j. G. poeciliae from Poecilia caucana (Steindachner); l. G. cytophagus from Aplocheilichthys pumilus (Boulenger); m. G. rasini from X. hellerii." httpUri="https://zenodo.org/record/196037/files/figure.png" pageId="17" pageNumber="18">31</figureCitation>
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) and the component loadings (
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<tableCitation id="C697ABEDFFE5056EFE7DFEB98B6CE305" box="[446,535,264,290]" captionStart="TABLE 5" captionStartId="17.[151,241,375,399]" captionTargetBox="[151,1437,522,968]" captionTargetPageId="17" captionText="TABLE 5. Percentage of the variance explained and component loadings for gyrodactylids parasitizing poeciliid fish used in the two rounds of principal components analysis (PCA). For each specimen a total of 13 ln - transformed measurements were made on the hamuli and marginal hooks. Variables that make a notable contribution to the separation of specimens within each PCA are highlighted in a bold font (i. e. above ± 0.7)." httpUri="http://table.plazi.org/id/DF6ACEDEFFE5056EFF54FEC68A9BE3C8" pageId="17" pageNumber="18" tableUuid="DF6ACEDEFFE5056EFF54FEC68A9BE3C8">Table 5</tableCitation>
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) suggest, however, that features of the hamuli are key to the separation of
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<taxonomicName id="4C15E5D5FFE5056EFA40FEB98866E361" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="17" pageNumber="18" phylum="Platyhelminthes" rank="species" species="cytophagus">
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<emphasis id="B9614244FFE5056EFA40FEB98866E361" italics="true" pageId="17" pageNumber="18">G. cytophagus</emphasis>
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</taxonomicName>
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from
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<taxonomicName id="4C15E5D5FFE5056EFEA7FE9C88A5E361" box="[356,478,301,326]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="17" pageNumber="18" phylum="Platyhelminthes" rank="species" species="jarocho" status="sp. nov.">
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<emphasis id="B9614244FFE5056EFEA7FE9C88A5E361" box="[356,478,301,326]" italics="true" pageId="17" pageNumber="18">G. jarocho</emphasis>
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</taxonomicName>
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||
<taxonomicNameLabel id="A252FF3FFFE5056EFE26FE9C8B39E360" box="[485,578,301,327]" pageId="17" pageNumber="18" rank="species">
|
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<emphasis id="B9614244FFE5056EFE26FE9C8B39E360" bold="true" box="[485,578,301,327]" pageId="17" pageNumber="18">sp. nov.</emphasis>
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</taxonomicNameLabel>
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||
</paragraph>
|
||
</subSubSection>
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</treatment>
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</document> |