188 lines
20 KiB
XML
188 lines
20 KiB
XML
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<mods:title id="32E0B0111B9005D3D66F899E1CC22BE2">Delturinae, a new loricariid catfish subfamily (Teleostei, Siluriformes), with revisions of Delturus and Hemipsilichthys</mods:title>
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<mods:namePart id="45DC3967982AEC078D284E794A84D957">Reis, Roberto E.</mods:namePart>
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<mods:namePart id="A4ABD5C6CF06B6546D30623249029B22">Pereira, Edson H. L.</mods:namePart>
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<mods:namePart id="3B3FA348985F75EBA31123D141E4B2F6">Armbruster, Jonathan W.</mods:namePart>
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<mods:date id="29948E8B39A52AC3B5318C7E43722A7F">2006</mods:date>
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<treatment id="03B47718FFC5FFF71184408FD7E2E5D8" ID-DOI="http://doi.org/10.5281/zenodo.4687279" ID-GBIF-Taxon="190874804" ID-Zenodo-Dep="4687279" LSID="urn:lsid:plazi:treatment:03B47718FFC5FFF71184408FD7E2E5D8" httpUri="http://treatment.plazi.org/id/03B47718FFC5FFF71184408FD7E2E5D8" lastPageId="11" lastPageNumber="288" pageId="9" pageNumber="286">
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<subSubSection id="C3079585FFC5FFF51184408FD73FE1E3" box="[910,1359,1703,1727]" pageId="9" pageNumber="286" type="nomenclature">
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<paragraph id="8BA2C60EFFC5FFF51184408FD73FE1E3" blockId="9.[910,1359,1703,1727]" box="[910,1359,1703,1727]" pageId="9" pageNumber="286">
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<heading id="D0EA7162FFC5FFF51184408FD73FE1E3" box="[910,1359,1703,1727]" centered="true" fontSize="9" level="2" pageId="9" pageNumber="286" reason="5">
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<taxonomicName id="4C1DBD8DFFC5FFF51184408FD73FE1E3" ID-CoL="42TN" ID-ENA="245751" authority="EIGENMANN & EIGENMANN" authorityName="PARAHYBAE EIGENMANN & EIGENMANN" authorityYear="1889" box="[910,1359,1703,1727]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="9" pageNumber="286" phylum="Chordata" rank="genus">
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<emphasis id="B9691A1CFFC5FFF51184408FD679E1E2" box="[910,1033,1704,1727]" italics="true" pageId="9" pageNumber="286">DELTURUS</emphasis>
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EIGENMANN & EIGENMANN
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3079585FFC5FFF5113040F7D698E079" pageId="9" pageNumber="286" type="reference_group">
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<paragraph id="8BA2C60EFFC5FFF5113040F7D698E079" blockId="9.[826,1442,1744,1828]" pageId="9" pageNumber="286">
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<treatmentCitationGroup id="AB0DE120FFC5FFF5113040F7D698E079" pageId="9" pageNumber="286">
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<treatmentCitation id="0ABCE01FFFC5FFF5113040F7D72BE1BB" author="Eigenmann C & Eigenmann RH" box="[826,1371,1744,1766]" page="45" pageId="9" pageNumber="286" year="1889">
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<taxonomicName id="4C1DBD8DFFC5FFF5113040F7D72BE1BB" ID-CoL="42TN" authority="Eigenmann & Eigenmann, 1889: 45" authorityName="PARAHYBAE EIGENMANN & EIGENMANN" authorityPageNumber="45" authorityYear="1889" box="[826,1371,1744,1766]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="9" pageNumber="286" phylum="Chordata" rank="genus">
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<emphasis id="B9691A1CFFC5FFF5113040F7D1EDE1B8" box="[826,925,1744,1765]" italics="true" pageId="9" pageNumber="286">Delturus</emphasis>
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<bibRefCitation id="EF8CBBFFFFC5FFF511A140F7D72BE1BB" author="Eigenmann C & Eigenmann RH" box="[939,1371,1744,1766]" pageId="9" pageNumber="286" pagination="28 - 56" refId="ref13030" refString="Eigenmann C, Eigenmann RH. 1889. Preliminary notes on South American Nematognathi. Proceedings of the California Academy of Sciences (Series 2) 2: 28 - 56." type="journal article" year="1889">Eigenmann & Eigenmann, 1889: 45</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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(
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<typeStatus id="54A678ACFFC5FFF5177A40F7D7D2E1B8" box="[1392,1442,1744,1765]" pageId="9" pageNumber="286">type</typeStatus>
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species:
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<taxonomicName id="4C1DBD8DFFC5FFF511AB40C8D1B3E07E" ID-CoL="34KPG" authority="Eigenmann & Eigenmann, 1889" authorityName="Eigenmann & Eigenmann" authorityYear="1889" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="9" pageNumber="286" phylum="Chordata" rank="species" species="parahybae">
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<emphasis id="B9691A1CFFC5FFF511AB40C8D6FDE059" box="[929,1165,1775,1796]" italics="true" pageId="9" pageNumber="286">Delturus parahybae</emphasis>
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<bibRefCitation id="EF8CBBFFFFC5FFF5169440C8D1B3E07E" author="Eigenmann C & Eigenmann RH" pageId="9" pageNumber="286" pagination="28 - 56" refId="ref13030" refString="Eigenmann C, Eigenmann RH. 1889. Preliminary notes on South American Nematognathi. Proceedings of the California Academy of Sciences (Series 2) 2: 28 - 56." type="journal article" year="1889">Eigenmann & Eigenmann, 1889</bibRefCitation>
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</taxonomicName>
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; by original designation).
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3079585FFC5FFF71130411BD293E4BA" lastPageId="11" lastPageNumber="288" pageId="9" pageNumber="286" type="diagnosis">
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<paragraph id="8BA2C60EFFC5FFF61130411BD6D7E02D" blockId="9.[826,1441,1852,1904]" lastBlockId="10.[806,1422,1790,1904]" lastPageId="10" lastPageNumber="287" pageId="9" pageNumber="286">
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<emphasis id="B9691A1CFFC5FFF51130411BD1C1E00C" box="[826,945,1852,1873]" italics="true" pageId="9" pageNumber="286">Diagnosis:</emphasis>
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No uniquely derived features were found to diagnose
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<taxonomicName id="4C1DBD8DFFC5FFF511AC417DD679E032" authorityName="PARAHYBAE EIGENMANN & EIGENMANN" authorityYear="1889" box="[934,1033,1882,1903]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="9" pageNumber="286" phylum="Chordata" rank="genus">
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<emphasis id="B9691A1CFFC5FFF511AC417DD679E032" box="[934,1033,1882,1903]" italics="true" pageId="9" pageNumber="286">Delturus</emphasis>
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</taxonomicName>
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. The following features are derived for
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<taxonomicName id="4C1DBD8DFFC6FFF612B840D9D365E04E" authorityName="PARAHYBAE EIGENMANN & EIGENMANN" authorityYear="1889" box="[178,277,1790,1811]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="10" pageNumber="287" phylum="Chordata" rank="genus">
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<emphasis id="B9691A1CFFC6FFF612B840D9D365E04E" box="[178,277,1790,1811]" italics="true" pageId="10" pageNumber="287">Delturus</emphasis>
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</taxonomicName>
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but are shared with a number of other loricariid groups (from
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<bibRefCitation id="EF8CBBFFFFC6FFF6137F413AD033E06E" author="Armbruster JW" box="[373,579,1821,1843]" pageId="10" pageNumber="287" pagination="1 - 80" refId="ref12901" refString="Armbruster JW. 2004. Phylogenetic relationships of the suckermouth armoured catfishes (Loricariidae) with emphasis on the Hypostominae and the Ancistrinae. Zoological Journal of the Linnean Society 141: 1 - 80." type="journal article" year="2004">Armbruster, 2004</bibRefCitation>
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): (1) more than six infraorbital canal plates (character 91–2); (2) ridge on lateral ethmoid, from metapterygoid contact to near the anterior margin of the bone, short (character 97–1); and (3) reduction to eight to 11 vertebrae from first normal (not bifid) neural spine behind dorsal fin up to hypural plate (character 121–2).
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</paragraph>
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<caption id="DF629686FFC6FFF6128440A2D091E1E8" ID-DOI="http://doi.org/10.5281/zenodo.4687429" ID-Zenodo-Dep="4687429" httpUri="https://zenodo.org/record/4687429/files/figure.png" pageId="10" pageNumber="287" startId="10.[142,220,1669,1688]" targetBox="[142,1422,194,1637]" targetPageId="10">
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<paragraph id="8BA2C60EFFC6FFF6128440A2D091E1E8" blockId="10.[142,1422,1669,1718]" pageId="10" pageNumber="287">
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<emphasis id="B9691A1CFFC6FFF6128440A2D286E1C5" bold="true" box="[142,246,1669,1688]" pageId="10" pageNumber="287">Figure 8.</emphasis>
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<taxonomicName id="4C1DBD8DFFC6FFF6130840A2D38AE1C5" authorityName="Pereira, Reis, Souza & Lazzarotto" authorityYear="2003" box="[258,506,1669,1688]" class="Actinopterygii" family="Loricariidae" genus="Hemipsilichthys" kingdom="Animalia" order="Siluriformes" pageId="10" pageNumber="287" phylum="Chordata" rank="species" species="nimius">
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<emphasis id="B9691A1CFFC6FFF6130840A2D38AE1C5" box="[258,506,1669,1688]" italics="true" pageId="10" pageNumber="287">Hemipsilichthys nimius</emphasis>
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</taxonomicName>
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, holotype, MCP 33049, 105.1 mm standard length, male, Rio Carrasquinho below Cachoeira do Tobogã, upper Rio Perequê-Açu, Rio de Janeiro.
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</paragraph>
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</caption>
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<paragraph id="8BA2C60EFFC7FFF712B144DCD293E4BA" blockId="11.[162,778,763,999]" pageId="11" pageNumber="288">
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In addition,
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<taxonomicName id="4C1DBD8DFFC7FFF7134F44DCD3D8E44D" authorityName="PARAHYBAE EIGENMANN & EIGENMANN" authorityYear="1889" box="[325,424,763,784]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="11" pageNumber="288" phylum="Chordata" rank="genus">
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<emphasis id="B9691A1CFFC7FFF7134F44DCD3D8E44D" box="[325,424,763,784]" italics="true" pageId="11" pageNumber="288">Delturus</emphasis>
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</taxonomicName>
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can be easily recognized by the combination of a high preadipose keel, formed by the azygous preadipose plates, almost symmetrically bifid teeth (
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<figureCitation id="1326DA8BFFC7FFF712F84570D342E430" box="[242,306,855,877]" captionStart="Figure 2" captionStartId="4.[143,221,1209,1228]" captionTargetBox="[143,751,566,1177]" captionTargetId="figure-668@4.[143,752,566,1177]" captionTargetPageId="4" captionText="Figure 2. Teeth of the Delturinae. A, right premaxilary tooth of Delturus angulicauda, USNM 318180, lateral view. Scale bar 1 mm. B–H, dorsal view of right premaxillary tooth crown. B, D. parahybae, MCZ 7726. C, D. angulicauda, USNM 318180. D, D. carinotus, MCP 28039. E, D. brevis, MZUSP 69858. F, Hemipsilichthys papillatus, MCP 21423. G, H. nimius, MCP 31990. H, H. gobio, MCP 19780. Scale bar 250 µm." figureDoi="http://doi.org/10.5281/zenodo.4687409" httpUri="https://zenodo.org/record/4687409/files/figure.png" pageId="11" pageNumber="288">Fig. 2</figureCitation>
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) on premaxilla and dentary, dorsal fin with eight to ten branched rays, large eye (orbital diameter 18.0–24.5% HL), and dorsal-fin membrane extended posteriorly and contacting first preadipose plate.
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</paragraph>
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<paragraph id="8BA2C60EFFC7FFF7107B46F1D7E2E60F" blockId="11.[625,980,214,238]" lastBlockId="11.[178,1426,254,645]" pageId="11" pageNumber="288">
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KEY TO SPECIES OF
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<taxonomicName id="4C1DBD8DFFC7FFF7115246F0D1A4E7B1" authorityName="PARAHYBAE EIGENMANN & EIGENMANN" authorityYear="1889" box="[856,980,215,238]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="11" pageNumber="288" phylum="Chordata" rank="genus">
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<emphasis id="B9691A1CFFC7FFF7115246F0D1A4E7B1" box="[856,980,215,238]" italics="true" pageId="11" pageNumber="288">DELTURUS</emphasis>
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</taxonomicName>
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<key id="FF8C913FFFC7FFF712B846D8D7E2E60F" pageId="11" pageNumber="288">
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<keyStep id="30E9DEABFFC7FFF712B846D8D7E2E60F" pageId="11" pageNumber="288">
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<keyLead id="30EC653BFFC7FFF712B846D8D7E2E60F" pageId="11" pageNumber="288">
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1. Premaxilla with 15–24 teeth; dorsal fin with nine to ten (usually ten) branched rays; eye comparatively smaller (orbital diameter 53.0–64.0% of interorbital space); colour pattern with distinct dots, mainly on head .........................................................................................
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<taxonomicName id="4C1DBD8DFFC7FFF7117C471BD62AE60C" authorityName="Eigenmann & Eigenmann" authorityYear="1889" box="[886,1114,316,337]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="11" pageNumber="288" phylum="Chordata" rank="species" species="parahybae">
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<emphasis id="B9691A1CFFC7FFF7117C471BD62AE60C" box="[886,1114,316,337]" italics="true" pageId="11" pageNumber="288">Delturus parahybae</emphasis>
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</taxonomicName>
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(Rio
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<collectingRegion id="49D908ECFFC7FFF71693471BD682E60F" box="[1177,1266,316,338]" country="Brazil" name="Paraiba" pageId="11" pageNumber="288">Paraíba</collectingRegion>
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do Sul basin)
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</keyLead>
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</keyStep>
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</key>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3079585FFC7FFF712B8477CD7E2E5D8" pageId="11" pageNumber="288" type="key">
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<paragraph id="8BA2C60EFFC7FFF712B8477CD7E2E6F0" blockId="11.[178,1426,254,645]" pageId="11" pageNumber="288">
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<keyLead id="30EC653BFFC7FFF712B8477CD7E2E6F0" pageId="11" pageNumber="288">1′. Premaxilla with 26–137 teeth; dorsal fin with eight to ten (usually nine) branched rays; eye comparatively larger (orbital diameter 61.4–93.0% of interorbital space); colour pattern with small bars and vermiculations, mainly on head......................................................................................................................................... 2</keyLead>
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</paragraph>
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||
<keyStep id="30E9DEABFFC7FFF712B84790D7E2E554" pageId="11" pageNumber="288">
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<paragraph id="8BA2C60EFFC7FFF712B84790D7E2E6B6" blockId="11.[178,1426,254,645]" pageId="11" pageNumber="288">
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<keyLead id="30EC653BFFC7FFF712B84790D7E2E6B6" pageId="11" pageNumber="288">
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2. Posterior margin of caudal fin convex; dorsal-fin margin rounded .................................................................. .......................................................................................
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<emphasis id="B9691A1CFFC7FFF7113847F2D62EE6B7" bold="true" box="[818,1118,469,491]" pageId="11" pageNumber="288">
|
||
<taxonomicName id="4C1DBD8DFFC7FFF7113847F2D187E6B6" ID-CoL="6CJ7F" authority="Reis & Pereira & Armbruster, 2006" authorityName="Reis & Pereira & Armbruster" authorityYear="2006" box="[818,1015,469,491]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="11" pageNumber="288" phylum="Chordata" rank="species" species="brevis" status="sp. nov.">
|
||
<emphasis id="B9691A1CFFC7FFF7113847F2D187E6B6" bold="true" box="[818,1015,469,491]" italics="true" pageId="11" pageNumber="288">Delturus brevis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25AA767FFC7FFF711F547F2D62EE6B7" box="[1023,1118,469,490]" pageId="11" pageNumber="288" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(Rio Jequitinhonha basin)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BA2C60EFFC7FFF712B847D3D7E2E554" blockId="11.[178,1426,254,645]" box="[178,1426,499,522]" pageId="11" pageNumber="288">
|
||
<keyLead id="30EC653BFFC7FFF712B847D3D7E2E554" box="[178,1426,499,522]" pageId="11" pageNumber="288">2′. Posterior margin of caudal fin concave; dorsal-fin margin straight ............................................................... 3</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30E9DEABFFC7FFF712B84434D7E2E5D8" pageId="11" pageNumber="288">
|
||
<paragraph id="8BA2C60EFFC7FFF712B84434D7E2E51A" blockId="11.[178,1426,254,645]" pageId="11" pageNumber="288">
|
||
<keyLead id="30EC653BFFC7FFF712B84434D7E2E51A" pageId="11" pageNumber="288">
|
||
3. Caudal fin plain light brown, without a distinct patternof dark spots; iris usually with a large and distinct dorsal flap
|
||
<emphasis id="B9691A1CFFC7FFF7135C4415D6C0E51B" box="[342,1200,561,583]" italics="true" pageId="11" pageNumber="288">
|
||
........................................................................................
|
||
<taxonomicName id="4C1DBD8DFFC7FFF711BC4416D6C0E51B" ID-CoL="34KPD" box="[950,1200,561,582]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="11" pageNumber="288" phylum="Chordata" rank="species" species="angulicauda">Delturus angulicauda</taxonomicName>
|
||
</emphasis>
|
||
(Rio Mucuri basin)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BA2C60EFFC7FFF712B84477D7E2E5D8" blockId="11.[178,1426,254,645]" pageId="11" pageNumber="288">
|
||
<keyLead id="30EC653BFFC7FFF712B84477D7E2E5D8" pageId="11" pageNumber="288">
|
||
3′. Caudal fin with distinct pattern of dark spots; iris usually with a minute and indistinct dorsal flap .... ..................................................................................................................
|
||
<taxonomicName id="4C1DBD8DFFC7FFF711F24448D6BDE5D9" ID-CoL="34KPF" box="[1016,1229,623,644]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="11" pageNumber="288" phylum="Chordata" rank="species" species="carinotus">
|
||
<emphasis id="B9691A1CFFC7FFF711F24448D6BDE5D9" box="[1016,1229,623,644]" italics="true" pageId="11" pageNumber="288">Delturus carinotus</emphasis>
|
||
</taxonomicName>
|
||
(Rio Doce basin)
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
</subSubSection>
|
||
</table>
|
||
</treatment>
|
||
</document> |