<document id="FAECEA2C322EB087A3FE7CCCD00BF988" ID="10.11646/zootaxa.4268.3.2SLASH11058" ID-CLB-Dataset="33035" ID-DOI="10.11646/zootaxa.4268.3.2" ID-GBIF-Dataset="bd3ea6f2-dfb7-4301-aae4-c2335d92ae49" ID-ISSN="1175-5326" ID-Zenodo-Dep="580477" ID-ZooBank="28241902-1AA1-4C63-95E2-CB549FE4CD22" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1495007027287" checkinUser="plazi" docAuthor="Roxo, Fábio F., Silva, Gabriel S. C., Ochoa, Luz Eneida &amp; Zawadzki, Cláudio H." docDate="2017" docId="038A87BAFFCAFF9602E7F97A39312839" docLanguage="en" docName="zootaxa.4268.3.2SLASH11058.pdf" docOrigin="Zootaxa 4268 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Gymnotocinclus" docType="treatment" docVersion="8" lastPageNumber="339" masterDocId="FFB3FFC2FFC8FF940270FFDF3B6D2F75" masterDocTitle="Description of a new species of Gymnotocinclus from the rio Tocantins basin with phylogenetic analysis of the subfamily Hypoptopomatinae (Siluriformes: Loricariidae)" masterLastPageNumber="359" masterPageNumber="337" pageNumber="339" updateTime="1698439658877" updateUser="ExternalLinkService">
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<mods:title id="F9C9BADA498E1EB06DDC6A18085A0AAD">Description of a new species of Gymnotocinclus from the rio Tocantins basin with phylogenetic analysis of the subfamily Hypoptopomatinae (Siluriformes: Loricariidae)</mods:title>
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<mods:namePart id="F4087AC47197BD6DE43A7F2F04421AD3">Roxo, Fábio F.</mods:namePart>
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<mods:namePart id="44BD59FE4DB3F200DD49BC85E358A1E7">Silva, Gabriel S. C.</mods:namePart>
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<mods:namePart id="3F71D19ADAECDCBCE0CE08580EAB3928">Ochoa, Luz Eneida</mods:namePart>
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<mods:namePart id="F76385F14C50992F25D40E1909F2C708">Zawadzki, Cláudio H.</mods:namePart>
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Redefinition of 
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<emphasis id="B957EABEFFCAFF960328F97B397029CB" bold="true" box="[344,541,1700,1726]" italics="true" pageId="2" pageNumber="339">Gymnotocinclus</emphasis>
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The genus 
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<emphasis id="B957EABEFFCAFF960367F9333AA02871" box="[279,461,1772,1796]" italics="true" pageId="2" pageNumber="339">Gymnotocinclus</emphasis>
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can be distinguished from all other genera of Otothyrini by the combination of two characters: (1) absence of dermal plates on snout tip, 
<figureCitation id="13182A29FFCAFF960097F8CF3844285D" box="[743,809,1808,1833]" captionStart="FIGURE 3" captionStartId="5.[151,250,1278,1300]" captionTargetBox="[171,1410,213,1239]" captionTargetId="figure@5.[151,1436,193,1257]" captionTargetPageId="5" captionText="FIGURE 3. Gymnotocinclus canoeiro, LBP 19469, paratype, 44.7 mm SL, showing the head bone plates in dorsal view. cpt = compound pterotic; f = frontal; io 1 - 5 = infraorbitals; n = nasal; op = opercle; pr 1 - 2 postrostral plates; pf = prefrontal; pn = prenasal; pop = preopercle; sp = sphenotic; CP 1 - 2 = subocular cheek plates; soc = parieto-supraoccipital; pl-supr = suprarostral plates." httpUri="https://zenodo.org/record/580480/files/figure.png" pageId="2" pageNumber="339">Fig. 3</figureCitation>
; (2) maxillary barbel adnate to the lower lip (a character also present in species of 
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<emphasis id="B957EABEFFCAFF9603C6F8EB39262839" box="[438,587,1844,1868]" italics="true" pageId="2" pageNumber="339">Corumbataia</emphasis>
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).
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