349 lines
38 KiB
XML
349 lines
38 KiB
XML
<document id="507582E21E169DAC1CDB4F86CCA50B14" ID-CLB-Dataset="35061" ID-DOI="http://dx.doi.org/10.3897/zookeys.406.7011" ID-GBIF-Dataset="628a46b9-5e6d-42bf-8520-6a627a3b2aba" ID-PMC="PMC4023244" ID-Pensoft-Pub="1313-2970-406-1" ID-PubMed="24843279" ID-ZooBank="DA5BA33F709C404D82E5AB624A1D9F06" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-406-1" ModsDocOrigin="ZooKeys 406" ModsDocTitle="New species of the Pseudancistrus barbatus group (Siluriformes, Loricariidae) with comments on its biogeography and dispersal routes" checkinTime="1451245931044" checkinUser="pensoft" docAuthor="Silva, Gabriel de Souza da Costa e, Roxo, Fabio Fernandes, Britzke, Ricardo & Oliveira, Claudio" docDate="2014" docId="23436B5B95435B4FDF1D16137F55C356" docLanguage="en" docName="ZooKeys 406: 1-23" docOrigin="ZooKeys 406" docSource="http://dx.doi.org/10.3897/zookeys.406.7011" docTitle="Pseudancistrus zawadzkii Silva, Roxo, Britzke & Oliveira, 2014, sp. n." docType="treatment" docUuid="F244A7A4-253A-49B8-B027-16B640FDBCCF" docUuidSource="ZooBank" docVersion="6" lastPageNumber="8" masterDocId="090CFF83FFE0FFF5FF995D3BFFDCA469" masterDocTitle="New species of the Pseudancistrus barbatus group (Siluriformes, Loricariidae) with comments on its biogeography and dispersal routes" masterLastPageNumber="23" masterPageNumber="1" pageNumber="3" updateTime="1701383118231" updateUser="ExternalLinkService">
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<mods:mods id="06D1EA4860E16EAD65CC12AD270D7804" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="954F8B6994489891D949D9EF49DFCA9D">
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<mods:title id="385E5DD0084079B6917264743ACC534B">New species of the Pseudancistrus barbatus group (Siluriformes, Loricariidae) with comments on its biogeography and dispersal routes</mods:title>
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<mods:name id="937DCD9B48D22E2BDAF57DD9B7ED69AF" type="personal">
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<mods:roleTerm id="629379E1C46ED4F539D8E07093A40C2F">Author</mods:roleTerm>
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<mods:namePart id="B891C2FD033964FE867591B7605F93BA">Silva, Gabriel de Souza da Costa e</mods:namePart>
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<mods:namePart id="C519123B625A32FC27BBB9A23A06C82D">Roxo, Fabio Fernandes</mods:namePart>
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<mods:name id="3A2D40E5ED1802623A7FD6BC551571E7" type="personal">
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</mods:role>
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<mods:namePart id="E7AED43AB8A13544740EEACDBD211B9D">Britzke, Ricardo</mods:namePart>
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<mods:name id="C7FADD36FFED008281FE730F1390EBEF" type="personal">
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<mods:namePart id="0E6261F1A97E272B2642B39DC94D9361">Oliveira, Claudio</mods:namePart>
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<mods:typeOfResource id="F62CF79B2E70B2A1CDB9AA02E75D9086">text</mods:typeOfResource>
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<mods:title id="7C8DE79A3014D0E683400BED61C489EA">ZooKeys</mods:title>
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<mods:part id="7126619124941D8C4E432BA7633442D6">
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<mods:date id="67AB695223CD96F7F9BCC56B007F478E">2014</mods:date>
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<mods:detail id="4E25F5D948948FBF562F299F0FE796A4" type="volume">
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<mods:number id="1CC5B4C8AF803F9F99215BB63FC40E7F">406</mods:number>
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<mods:start id="A24B96587A15AD0E4123624CAC692A4D">1</mods:start>
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<mods:location id="B3CC596A4C1712916F391EB93DEDA9F4">
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<mods:url id="D77B2E54133679AF40583CC43111E101">http://dx.doi.org/10.3897/zookeys.406.7011</mods:url>
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<mods:classification id="F6DE4D8EB981BD1AB24D5F489AB57085">journal article</mods:classification>
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<mods:identifier id="D7B200388537C4DCF15C8079D1D27139" type="DOI">http://dx.doi.org/10.3897/zookeys.406.7011</mods:identifier>
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<mods:identifier id="74830FD60DA75D25A72CA52C1CA50866" type="Pensoft-Pub">1313-2970-406-1</mods:identifier>
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<mods:identifier id="12BEC21FC6CE35445548639DD59841D1" type="ZooBank">DA5BA33F709C404D82E5AB624A1D9F06</mods:identifier>
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<treatment id="23436B5B95435B4FDF1D16137F55C356" ID-GBIF-Taxon="152052847" LSID="urn:lsid:zoobank.org:act:F244A7A4-253A-49B8-B027-16B640FDBCCF" httpUri="http://treatment.plazi.org/id/23436B5B95435B4FDF1D16137F55C356" lastPageId="7" lastPageNumber="8" pageId="2" pageNumber="3">
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<subSubSection id="63FE79DBD756257DC5E705FA80006614" pageId="2" pageNumber="3" type="nomenclature">
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<paragraph id="85DA0C806BE5AB664AFC01FE89789AA6" pageId="2" pageNumber="3">
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<taxonomicName id="95FBC0569E5AF5B78B6D7F73F1406039" ID-CoL="6WCL3" LSID="http://zoobank.org/F244A7A4-253A-49B8-B027-16B640FDBCCF" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="2" pageNumber="3" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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<taxonomicNameLabel id="A208DFB033258627B61C8582A51FD4F1" pageId="2" pageNumber="3">sp. n.</taxonomicNameLabel>
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Figure 1, Table 1
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</paragraph>
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</subSubSection>
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<subSubSection id="6F79DC8151BEEB57FE201826B6B096BD" pageId="2" pageNumber="3" type="holotype">
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<paragraph id="2AC5340F66CFA07E29D61FC0E9371B56" pageId="2" pageNumber="3">Holotype.</paragraph>
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<paragraph id="10C98229B70F39DD115CA6D8AE6C4391" pageId="2" pageNumber="3">
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MZUSP 115056, male, 116.4 mm SL. Brazil:
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<normalizedToken id="068751B2F98784EE52F068132CADFB54" originalValue="Pará">Para</normalizedToken>
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State: municipality of Itaituba: rio
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<normalizedToken id="607EAF7FF968BBF14262E3DE346BC78A" originalValue="Tapajós">Tapajos</normalizedToken>
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(Amazon basin),
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<geoCoordinate id="53523F79C2E8FBA5964F9E2B541BF07D" direction="south" orientation="latitude" precision="1" value="-4.552695">04°33'09.7"S</geoCoordinate>
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,
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<geoCoordinate id="A96306800A7BA2A0FED254BFA48F8B5A" direction="west" orientation="longitude" precision="1" value="-56.29989">56°17'59.6"W</geoCoordinate>
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, 11 June 2012, R. Britzke and
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<normalizedToken id="BAB2383687845876CFF4D7AF3150DBD9" originalValue="CEPTA’s">CEPTA's</normalizedToken>
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team.
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</paragraph>
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</subSubSection>
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<subSubSection id="71C02879C941095FD66BE81E3218A395" pageId="3" pageNumber="4" type="paratypes">
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<paragraph id="D3B8285BF23720EF61E875035B375A60" pageId="3" pageNumber="4">
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<pageBreakToken id="3D0D8AA1BC2DE2474EAEF966FA5038DF" pageId="3" pageNumber="4" start="start">Paratypes</pageBreakToken>
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.
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</paragraph>
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<paragraph id="EDBF2AA21AC1BCBCF9446F2B7C43C95E" pageId="3" pageNumber="4">
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Brazil:
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<normalizedToken id="B256519065775550C0F6427A98370B0A" originalValue="Pará">Para</normalizedToken>
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State: municipality of Itaituba: LBP 15045 (2 females, 97.9−128.7 mm SL), LBP 17724 (1 female, 87.5 mm SL), collected with holotype; LBP 16195 (1 male, 116.4 mm SL), rio
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<normalizedToken id="7EAABE89B3855D82ED2D192F0F201B63" originalValue="Tracuá">Tracua</normalizedToken>
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(trib. rio
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<normalizedToken id="149DA8E50838773D74B40E0940AA0214" originalValue="Tapajós">Tapajos</normalizedToken>
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),
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<geoCoordinate id="01C10581A252142991D51B5DF2AE5544" direction="south" orientation="latitude" precision="1" value="-4.4697776">04°28'11.2"S</geoCoordinate>
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,
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<geoCoordinate id="B7CF1AD37EA9DDD24B6896AE452F0BC5" direction="west" orientation="longitude" precision="1" value="-56.283638">56°17'01.1"W</geoCoordinate>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="F7002E09836696C2192E5C2FB5B77F91" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4" type="diagnosis">
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<paragraph id="A6DA30350A76786BE16D341C7127F28F" pageId="3" pageNumber="4">Diagnosis.</paragraph>
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<paragraph id="614A937216734FDF15EE3BA2CCD13EF9" pageId="4" pageNumber="5">
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<taxonomicName id="658AC6829DA77362F0E28A1B4A4CA847" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">
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<pageBreakToken id="8F80E9B1479A7184CF80AD66A9F95BF0" pageId="4" pageNumber="5" start="start">Pseudancistrus</pageBreakToken>
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zawadzkii
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</taxonomicName>
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is distinguished from all congeners, except species of the
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<taxonomicName id="A384B71E8B0B432BF090E475AD5E905B" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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group, by presence of hypertrophied odontodes along the snout margin and the lack of evertible cheek plates. It further differs from two members of that group,
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<taxonomicName id="5CE34EDA85E24AAA1817643D5DED7F60" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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and
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<taxonomicName id="540683D5F4178CF2CD4AE3E9DD444964" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus depressus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="depressus">Pseudancistrus depressus</taxonomicName>
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, by having whitish spots that abruptly increase in size between the head (diameter 1.1−1.3 mm) and body (diameter 2.6−3.0 mm) (vs. whitish spots very small on whole body less than 1 mm), and snout odontodes yellowish (vs. snout odontodes reddish-brown). The new species differs from the other two members of the
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<taxonomicName id="115E86A5EA8BD1D027A7ED6B03E50DFF" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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group,
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<taxonomicName id="E1F80B1E3AD39847604BAF605358C741" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus corantijniensis" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="corantijniensis">Pseudancistrus corantijniensis</taxonomicName>
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and
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<taxonomicName id="42CD45C1A4FD0BF59C754D4800C7B485" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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, by having odontodes along margin of snout increasing gradually in length from posterior of snout tip to cheek (vs. length of snout odontodes more uniform, smaller on tip of snout) and by having odontodes relatively longer on the most posterior portion of the nonevertible check plates (Fig. 1) (vs. odontodes shorter) (see fig. 3 in
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<bibRefCitation id="F7BD5DF83C416895A641EB0D1D0F61D7" author="Chambrier, S" journalOrPublisher="Zootaxa" pageId="14" pageNumber="15" pagination="45 - 58" title="Pseudancistrus corantijniensis, a new species from the Guyana Shield (Siluriformes: Loricariidae) with a molecular and morphological description of the Pseudancistrus barbatus group." volume="1918" year="2008">Chambrier and Montoya-Burgos 2008</bibRefCitation>
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for comparison of both characters). Additionally,
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<taxonomicName id="23493230A3AE788F8899F0E21F4598EF" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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differs from
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<taxonomicName id="F3F88AC007C61B9D4354447C56A9C8C5" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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by having rounded spots that do not cover more than one plate along the body (vs. whitish spots that become hazier along the body and can cover more than one plate, see
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<taxonomicName id="BC7318A4FA0E02870C8E74910913B0AF" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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in fig. 3 in
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<bibRefCitation id="8B57DD1193970CEFD43313B742D35C20" author="Chambrier, S" journalOrPublisher="Zootaxa" pageId="14" pageNumber="15" pagination="45 - 58" title="Pseudancistrus corantijniensis, a new species from the Guyana Shield (Siluriformes: Loricariidae) with a molecular and morphological description of the Pseudancistrus barbatus group." volume="1918" year="2008">Chambrier and Montoya-Burgos (2008)</bibRefCitation>
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. Moreover,
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<taxonomicName id="97B9D6D68372F635FEBABF929D06BBEC" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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is distinguished by having a greater head depth, 67.0−72.7% of HL (vs. 38.3−44.9% of HL in
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<taxonomicName id="175E1298EE213E678C1D91587F596A2E" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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; 40.6−53.0% of HL in
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<taxonomicName id="53A67ADF42FA7C541FF8F4A5A24865B9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus corantijniensis" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="corantijniensis">Pseudancistrus corantijniensis</taxonomicName>
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, data based on original description; and 52.5−56.6% of HL in
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<taxonomicName id="123004F26C7685A29FEB21A8D6CAD221" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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); greater cleithral width, 35.2−38.0% of SL (vs. 31.1−32.7% of SL in
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<taxonomicName id="A62A179400811A045D21B7A158790953" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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and 29.7−33.4% of SL in
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<taxonomicName id="3F5C488455B3FE7DFE1934B62F258BCC" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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); shorter distance between posteromedial margin of supraoccipital and origin of dorsal-fin, 6.7−9.2% of SL (vs. 10.4−11.6% of SL in
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<taxonomicName id="4BE2CDE1A282B5BD9D98481464E09C55" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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); greater anal-fin spine length, 11.9−13.8% of SL (vs. 7.3−10.4 of SL in
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<taxonomicName id="019F40558B6A428CD3D33B7215819463" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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); greater peduncle depth, 12.5−14.2% of SL (vs. 9.3−10.4 of SL in
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<taxonomicName id="64628B20C503A14E9ED2F0D89C913DF9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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); and wider internares distance, 12.7−16.6% of HL (vs. 9.9−11.8% of HL in
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<taxonomicName id="5DBA26EBAF10E5955EFC31C766BAC030" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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).
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<taxonomicName id="BB84FC760D8028D15CE14CAF2B99EB4A" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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differs from
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<taxonomicName id="2A308C1E4464B7098D373DB79518F153" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kwinti" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="kwinti">Pseudancistrus kwinti</taxonomicName>
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and
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<taxonomicName id="7FAD372BBBD726AD8800DFDF9927D866" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus guentheri" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="guentheri">Pseudancistrus guentheri</taxonomicName>
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, two probable members of
|
||
<taxonomicName id="EC18C7FC50DB4880E7F5E3710AFA3375" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
|
||
group by having whitish spots of the body (vs. body mottled or with bars, in
|
||
<taxonomicName id="E5179603F82D1C8B871786C828B4EEB2" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kwinti" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="kwinti">Pseudancistrus kwinti</taxonomicName>
|
||
and body plates dark at the base and pale along the edges, in
|
||
<taxonomicName id="E0E5E299F80739314D7D4E6D2A823C86" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus guentheri" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="guentheri">Pseudancistrus guentheri</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<caption id="361E4B9D5DDB514E874E39821833F019" pageId="4" pageNumber="5">
|
||
<paragraph id="B52F70F19502C66DF6F62F876A3CD277" pageId="4" pageNumber="5">
|
||
Figure 1.
|
||
<taxonomicName id="D08829C643597413188DA4723B34BF40" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
, MZUSP 115056, holotype, male, 116.4 mm SL;
|
||
<normalizedToken id="BC27558AE0E7B2FC6A100930B2F61138" originalValue="Pará">Para</normalizedToken>
|
||
State,
|
||
<normalizedToken id="EC56E0AA903E0BA865724FAE6701E565" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
river basin, Brazil.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="687BE6BCD0DB211B4B6FB0180EC795F3" pageId="4" pageNumber="5">
|
||
<paragraph id="8FD01DD93F264427D70E15EC73144CC6" pageId="4" pageNumber="5">Figure 2. Maximum-likelihood tree based on nuclear gene sequence F-reticulon 4 (-lnL = 11470.59). Numbers next to nodes are bootstrap values based on 1,000 pseudoreplicates. Values below 50% are not shown.</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="DE0BDD4D35FD082BFFEEFA100186B219" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5" type="description">
|
||
<paragraph id="246EE21569B3BE01A1E340C28422A979" pageId="4" pageNumber="5">Description.</paragraph>
|
||
<paragraph id="9AA3CF67C09828190474D5104441F137" pageId="4" pageNumber="5">Morphometric data presented in Table 1. In lateral view, dorsal profile convex from snout tip to dorsal-fin origin; straight, gradually descending from dorsal-fin origin to posterior insertion of adipose fin; straight, steeply ascending to insertion of caudal fin; ventral profile flat from snout tip to anal-fin origin; shallowly concave from anal-fin insertion to lower caudal-fin spine; greatest body depth at dorsal-fin origin. In dorsal view, greatest body width across cleithral region; snout broadly elliptical; body progressively narrowed from opercular region to caudal fin. Cross-section of body between pectoral and pelvic fins rounded dorsally and flattened ventrally; cross-section of caudal peduncle ellipsoid.</paragraph>
|
||
<caption id="2F53CA1CEC0FBF62BE0DD88481D6B684" pageId="4" pageNumber="5">
|
||
<paragraph id="D82463FADC4C4D3DDE8153EAC7CBBD95" pageId="4" pageNumber="5">
|
||
Table 1. Morphometric data for
|
||
<taxonomicName id="3F465FA0ED038397494AE70E3BC624F9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D14692A2BD5E07FE0DD4B2BD3BDD5CD6" pageId="4" pageNumber="5">
|
||
<table id="5704B015A79AD4E2D3183C2C6E3CB065" pageId="4" pageNumber="5">
|
||
<tr id="90B5D4B1036CD8060BC4562DC6F00BB1" pageId="4" pageNumber="5">
|
||
<th id="0FC550DE3EFC5A5625F354D9BA5C8978" colspan="4" pageId="4" pageNumber="5" rowspan="1">
|
||
<taxonomicName id="1732246EDD023CB8923791C0E4B2762E" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
n = 5
|
||
</th>
|
||
</tr>
|
||
<tr id="32C8606B84AE27AB3E5F03B60C2F1126" pageId="4" pageNumber="5">
|
||
<th id="6C370037FC27B7AD8597B0ADFD90912A" colspan="1" pageId="4" pageNumber="5" rowspan="1">Holotype</th>
|
||
<th id="1E3191EA6E10E023E7E1D318B0CB3889" colspan="1" pageId="4" pageNumber="5" rowspan="1">Range</th>
|
||
<th id="844878F784A30BBEBE1DDBEEDC376757" colspan="1" pageId="4" pageNumber="5" rowspan="1">Mean</th>
|
||
<th id="C331AA09176447534F7ADF44091979B4" colspan="1" pageId="4" pageNumber="5" rowspan="1">SD</th>
|
||
</tr>
|
||
<tr id="B8AD57B0E7C416CB7124B85521A2FE9E" pageId="4" pageNumber="5">
|
||
<td id="E8346CEC11BDA126A52061C6BD629464" colspan="1" pageId="4" pageNumber="5" rowspan="1">Standard length (SL)</td>
|
||
</tr>
|
||
<tr id="194AF27F155B208AED5E3F50B130F79F" pageId="4" pageNumber="5">
|
||
<td id="7C8BBC209E42C375C80355B2A78511CC" colspan="5" pageId="4" pageNumber="5" rowspan="1">Percents of SL</td>
|
||
</tr>
|
||
<tr id="6C6CFA786E216BF709DFAE00C64C146D" pageId="4" pageNumber="5">
|
||
<td id="1EB08EF80F1BFA038C1E613DA725EDCD" colspan="5" pageId="4" pageNumber="5" rowspan="1">Percents of head length (HL)</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="DB903E8033260DD8E22709552719A447" pageId="4" pageNumber="5">Body almost entirely covered by plates; ventral portions of head and abdomen and dorsal-fin base naked. Five lateral rows of dermal plates, dorsal plates 21−24, lateral mid-dorsal plates 19−21, lateral median plates 22−24, lateral mid-ventral plates 21−24, lateral ventral plates 18−20. Three predorsal plates; eight plates below dorsal-fin base; four plates between dorsal fin and adipose fin; five rows of plates on caudal peduncle. Dorsal spinelet present.</paragraph>
|
||
<paragraph id="8F971FE0E55A6F778CB8945BD2CE6532" pageId="4" pageNumber="5">Body plates and cleithrum have minute odontodes. Odontodes slightly hypertrophied on pectoral-fin spines, becoming gradually larger towards tips. Numerous yellowish hypertrophied odontodes along lateral margins of head including snout; odontodes small on tip of snout, increasing gradually in length from anterolateral margin of snout to cheeks; longest odontodes on posterior most portion of non-evertible cheek plates. Eyes small (orbital diameter 14.5−18.8% of HL), dorsolaterally positioned. Oral disk transversely ellipsoid. Lower lip not reaching transverse line between gill openings. Lower lip covered with numerous small papillae. Maxillary barbel developed. Mouth relatively large. Premaxillary teeth 40−61 per ramus; dentary teeth 28−69 per ramus. Teeth bifid, medial cusp large and rounded, lateral cusp minute and pointed. Wide jaws, dentary bones forming an oblique angle, premaxillary bones almost co-linear.</paragraph>
|
||
<paragraph id="CD31E325F23888325F2BB72AF41C5453" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
|
||
Dorsal fin II,7, origin approximately at midpoint between pectoral- and pelvic-fin origins, last dorsal-fin ray reaching adipose fin when depressed. Pectoral fin I,6, spine tip curved inward, covered with enlarged odontodes distally; depressed tip reaching one-third length of pelvic-fin spine. Pelvic fin I,5, spine tip curved inward, almost reaching anal-fin origin when depressed. Anal fin I,5, spine tip straight, reaching sev
|
||
<pageBreakToken id="92F3CEC02BE39B510BF67C53862668EB" pageId="5" pageNumber="6" start="start">enth</pageBreakToken>
|
||
plate posterior to its origin. Caudal fin I,7−I,7, distal margin concave, inferior lobe longer than superior. Adipose fin with lightly curved spine, preceded by single median preadipose plate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6B8D8F7C6F4CAAC30D61AC5C94E2E557" pageId="5" pageNumber="6" type="color in life">
|
||
<paragraph id="BC80384F8F5834EB5F630C5DCD113643" pageId="5" pageNumber="6">Color in life.</paragraph>
|
||
<paragraph id="58730EF78AED387DBFC8AFE441B14673" pageId="5" pageNumber="6">Ground color dark greenish-brown on dorsum and sides of body, becoming dark brown posteriorly, and lighter brown ventrally. Anterior portion of head to posterior margin of orbits with many small, crowded, yellow spots; spots becoming abruptly larger on posterior portion of head, continuing on body, becoming slightly and gradually larger towards caudal peduncle. Dorsal plate series usually with two large spots per plate. Mid-dorsal plates usually with one large spot per plate. Lateral median plates with one large spot per plate. Mid-ventral plates and ventral plates with one large spot per plate. Dorsal-fin spine, rays and membranes with large round large spots. Adipose-fin with two large spots on spine and membrane. Pectoral, pelvic, anal and caudal fin with numerous and similarly sized yellow spots. Hypertrophied odontodes along head margin yellowish (Fig. 3).</paragraph>
|
||
<caption id="AA500271B3042B6F6977DB3CABDE941E" pageId="5" pageNumber="6">
|
||
<paragraph id="0E09E841A5A0D2017FF632F5AA2C94DC" pageId="5" pageNumber="6">
|
||
Figure 3.
|
||
<taxonomicName id="2C14DD8E42C222D2A02235D6C470352F" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="5" pageNumber="6" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
, live specimen, LBP 15045, paratype, female, 128.7 mm SL,
|
||
<normalizedToken id="830A9ECA0FAEE4DBB63595C145791FD5" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
river,
|
||
<normalizedToken id="AD6FFF9058DCD42C278B79709DF93A24" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="6C9C69170051A5164B1A3E0F39008095" pageId="5" pageNumber="6" type="color in alcohol">
|
||
<paragraph id="D7643AF041ECF5CE205A86D0D868BF37" pageId="5" pageNumber="6">Color in alcohol.</paragraph>
|
||
<paragraph id="F563A72499BE61261C10F321748E9628" pageId="5" pageNumber="6">Similar to pattern described for living individuals, but with ground color dark brown, and spots pale tan (Fig. 1).</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="890C3819173DBCDA4EA09326A84FF73A" pageId="5" pageNumber="6" type="sexual dimorphism">
|
||
<paragraph id="324FF5D708DFF0B6C261249DFC91ED64" pageId="5" pageNumber="6">Sexual dimorphism.</paragraph>
|
||
<paragraph id="53523F1DD5C3DA28848B0BC7AFC292BE" pageId="5" pageNumber="6">
|
||
Males possess a papilla posterior to urogenital opening, an attribute absent in females. Both sexes in
|
||
<taxonomicName id="CAD35144D45077E306568194A4D0BD13" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="5" pageNumber="6" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
exhibit highly hypertrophied odontodes along snout margin, similar to others species of
|
||
<taxonomicName id="5946DC0142C58A9C4B55F42E3E972E01" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus" order="Siluriformes" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Pseudancistrus</taxonomicName>
|
||
(
|
||
<bibRefCitation id="C5A93DF4C6BD17D799FCD6D12CBF53B4" author="Armbruster, JW" journalOrPublisher="Zootaxa" pageId="13" pageNumber="14" pagination="1 - 15" title="Pseudancistrus sidereus, a new species from southern Venezuela (Siluriformes: Loricariidae) with a redescription of Pseudancistrus." volume="628" year="2004 b">Armbruster 2004b</bibRefCitation>
|
||
). In some loricariid species of genus
|
||
<taxonomicName id="1705470F18AD7BC8A3635DFC6F0DE732" family="Loricariidae" genus="Pareiorhaphis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pareiorhaphis" order="Siluriformes" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Pareiorhaphis</taxonomicName>
|
||
those hypertrophied odontodes may be sexually dimorphic (Pereira et al. 2007), an attribute not observed in the new species
|
||
<taxonomicName id="77A69DCAC04BF7485731E4F1142EF539" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="5" pageNumber="6" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="9708243406F4E6E1D8CCF99178F21EB2" pageId="5" pageNumber="6" type="etymology">
|
||
<paragraph id="9F7AF9D384FF0FED4AAC4B800CF61DBC" pageId="5" pageNumber="6">Etymology.</paragraph>
|
||
<paragraph id="146DF757EF08B0C364EBFBA9E1CEDC45" pageId="5" pageNumber="6">
|
||
Specific name is in honor of
|
||
<normalizedToken id="16230F6F2BF6A29C8D5F22843DC7009F" originalValue="Cláudio">Claudio</normalizedToken>
|
||
Henrique Zawadzki, professor at Universidade Estadual de
|
||
<normalizedToken id="2E10F525680EB3078E6D04CEE2FB8025" originalValue="Maringá">Maringa</normalizedToken>
|
||
(UEM),
|
||
<normalizedToken id="A50008075A583ABA608801C2112174A3" originalValue="Maringá">Maringa</normalizedToken>
|
||
,
|
||
<normalizedToken id="66DE5C2EA966F9106C1F66628C49851E" originalValue="Paraná">Parana</normalizedToken>
|
||
State, Brazil, in recognition of his dedication and remarkable contributions to the study of the family
|
||
<taxonomicName id="2E82C127082D40FF0C08090E8999A93C" family="Loricariidae" lsidName="" pageId="5" pageNumber="6" rank="family">Loricariidae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="8A40CDB7DE3D0EDE5CDED7F20A0E5953" pageId="6" pageNumber="7" type="distribution">
|
||
<paragraph id="3E8CFCC0B4E026ABE2CE104FE8F86057" pageId="6" pageNumber="7">
|
||
<pageBreakToken id="AFC59C4144AF313DED1B50AA972C301E" pageId="6" pageNumber="7" start="start">Distribution</pageBreakToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="B4A4F8563342369238807231BEF26A03" pageId="6" pageNumber="7">
|
||
<taxonomicName id="E1C2D2EBE931717561F25B363ADDAFFE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="6" pageNumber="7" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
is known from rio
|
||
<normalizedToken id="B2B2E166C1555B2B0BE98287FF91DA50" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
(
|
||
<geoCoordinate id="41F6F88F6DAC7EAB04AD4A7592D49DCF" direction="south" orientation="latitude" precision="15" value="-4.552778">04°33'10"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="7C81C7538A4EFF8278EEE21C1921BC6C" direction="west" orientation="longitude" precision="925" value="-56.3">56°18'W</geoCoordinate>
|
||
) and rio
|
||
<normalizedToken id="204A7203E5F038BADDCFD6739420DCE1" originalValue="Tracuá">Tracua</normalizedToken>
|
||
(
|
||
<geoCoordinate id="B63943D958195F370EF0FA9906812DFB" direction="south" orientation="latitude" precision="15" value="-4.4697223">04°28'11"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="53B1B469ACED002ADB816AA03CE4B105" direction="west" orientation="longitude" precision="15" value="-56.28361">56°17'01"W</geoCoordinate>
|
||
), municipality of Itaituba, all from rio
|
||
<normalizedToken id="A99C6E7D4FC396DA5A0513BD7D96282D" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
basin,
|
||
<normalizedToken id="0CDAC2E7F9241E05A5586E92C0ECFE9B" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil. (see Fig. 4 for distribution map of type species localities).
|
||
</paragraph>
|
||
<caption id="EB20541C82E078A777BE3051A650D5FC" pageId="6" pageNumber="7">
|
||
<paragraph id="0C8A86C69BBB3E76D84029C2FFD36E24" pageId="6" pageNumber="7">
|
||
Figure 4. Map showing the type locality (red square) of
|
||
<taxonomicName id="9CE9EF129CCF9B99167FE67E0C81E377" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="6" pageNumber="7" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
at rio
|
||
<normalizedToken id="1C3973370032301DD3B3FC45BAD0CC95" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
,
|
||
<geoCoordinate id="1E465318CDB683B59227463531C97BA6" direction="south" orientation="latitude" precision="1" value="-4.552695">04°33'09.7"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="93D409D76318C0BE59171A8330C9A486" direction="west" orientation="longitude" precision="1" value="-56.29989">56°17'59.6"W</geoCoordinate>
|
||
, and paratype locality (black circle) at rio
|
||
<normalizedToken id="D0710B63C2C8CB7E0FD01C372A6C8706" originalValue="Tracuá">Tracua</normalizedToken>
|
||
,
|
||
<normalizedToken id="32E89051195CA8345D282811C5A8F274" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
river basin,
|
||
<geoCoordinate id="CC1D9D662B07C261B5551F148586026B" direction="south" orientation="latitude" precision="1" value="-4.4697776">04°28'11.2"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="C8E6A4088C5CFBA304085957521D4F5E" direction="west" orientation="longitude" precision="1" value="-56.283638">56°17'01.1"W</geoCoordinate>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="D2FBF01BAA6035DD970D47BF4E29CFCA" pageId="7" pageNumber="8" type="ecological notes">
|
||
<paragraph id="EADBD0E05D6F27A05628327F246B6430" pageId="7" pageNumber="8">
|
||
<pageBreakToken id="C40BF1C7BE6448141297E2F4B35A42FF" pageId="7" pageNumber="8" start="start">Ecological</pageBreakToken>
|
||
notes.
|
||
</paragraph>
|
||
<paragraph id="702962E826C65C03A8221961CBF2984B" pageId="7" pageNumber="8">
|
||
The rio
|
||
<normalizedToken id="749BCE9E55DF3C37E90EE8549BDC1FAB" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
, and rio
|
||
<normalizedToken id="C6B42434EB8793C120028A3CCBF8AAFC" originalValue="Tracuá">Tracua</normalizedToken>
|
||
where
|
||
<taxonomicName id="302064D53782B7151DF1DA55B11BB8C8" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="8" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
occurs are clear water rivers, varying from medium to large size, with rocky outcrops forming small waterfalls and substrates of rocks and sand (Fig. 5).
|
||
</paragraph>
|
||
<caption id="2DDB75135B54AC7EA7F62A646364AC63" pageId="7" pageNumber="8">
|
||
<paragraph id="42A89857ED1DC6B9178E6E399B3FCE6B" pageId="7" pageNumber="8">
|
||
Figure 5. a Habitat at type locality of
|
||
<taxonomicName id="5F52FFA5E733B368F04E2BF6F6A31056" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="8" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
: rio
|
||
<normalizedToken id="C9D721BAE4922ABEFC3713F653208B15" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
, municipality of Itaituba,
|
||
<normalizedToken id="A921A0D18AF93441424F942AF8B97C63" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil b habitat at paratype locality: rio
|
||
<normalizedToken id="35E02C2CE91BFD1CA14789DB9CF05611" originalValue="Tracuá">Tracua</normalizedToken>
|
||
,
|
||
<normalizedToken id="98F5D678075A5685EA9A419B6EACD599" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
river basin, municipality of Itaituba,
|
||
<normalizedToken id="6EF8DD170BAB35CED79A250ECDFFADE4" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |