376 lines
44 KiB
XML
376 lines
44 KiB
XML
<document id="FF412FA0B56200F687D5F54E83494B09" ID-DOI="10.5281/zenodo.280503" ID-GBIF-Dataset="a14f75a7-107a-44bc-b3a9-028f5bc25795" ID-ISSN="1175-5326" ID-Zenodo-Dep="280503" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460459237999" checkinUser="plazi" docAuthor="Tan, Milton & Armbruster, Jonathan W." docDate="2012" docId="7E5E87A0FFC57734FF65FF643B770AEE" docLanguage="en" docName="zt03243p058.pdf" docOrigin="Zootaxa 3243" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Cordylancistrus santarosensis Tan & Armbruster, 2012, new species" docType="treatment" docVersion="8" lastPageNumber="56" masterDocId="8267FFD8FFC47730FFF2FFF33805094A" masterDocTitle="Cordylancistrus santarosensis (Siluriformes: Loricariidae), a new species with unique snout deplatation from the Río Santa Rosa, Ecuador" masterLastPageNumber="58" masterPageNumber="52" pageNumber="53" updateTime="1698303329614" updateUser="plazi">
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<mods:mods id="AD4BD433D368293FD0C5E42BFE8D3488" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="D361345BDE63F39D8DB6C9B6E105994B">
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<mods:title id="DA2C8000EA01EE1576DB9A67774E7F38">Cordylancistrus santarosensis (Siluriformes: Loricariidae), a new species with unique snout deplatation from the Río Santa Rosa, Ecuador</mods:title>
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<mods:name id="26F80E401D48BC2DCE48384C8634A757" type="personal">
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<mods:roleTerm id="67C78991648C789319F5E0CB4FA2ACCF">Author</mods:roleTerm>
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<mods:namePart id="E5E09B7DFCC8BB413C6BA0D067856282">Tan, Milton</mods:namePart>
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<mods:name id="C206EE35F9F7927DB483C3F9EB22DCB5" type="personal">
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<mods:roleTerm id="6206926080115274A1AAD20B44BB7168">Author</mods:roleTerm>
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<mods:namePart id="6B6373586669F84C3C50B35934A175F4">Armbruster, Jonathan W.</mods:namePart>
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<mods:typeOfResource id="969D9F787E89B8E68BC60B84EE18F8CD">text</mods:typeOfResource>
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<mods:title id="F7A523F8F44C907FAF19E6F4B9C5DBBA">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="C1FABF55900959A18814A321DEE00AA3">
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<mods:date id="D8F2EBB8E4403BD1876C8757AD896593">2012</mods:date>
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<mods:detail id="889FA4CB8D0D73BCFD5A72F4BB6495AD" type="volume">
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<mods:number id="CD115FDA12E17457D9BC11355CEB55F1">3243</mods:number>
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<mods:start id="9A4C07BFF333B1710AABD8419F861EF1">52</mods:start>
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<mods:end id="0DF80FFEF12BFF45FB70B65F5533D3AE">58</mods:end>
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<mods:classification id="85209A2819C9C36CEECFC9FBB3B0ECAF">journal article</mods:classification>
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<mods:identifier id="5D5D2E9A6331F8B52B7976F8E33F3EF6" type="DOI">10.5281/zenodo.280503</mods:identifier>
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<mods:identifier id="40DF679D3EC610430623A75CAE0DE7F1" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="86FAE246F5038F4E14BE2E275519BD01" type="Zenodo-Dep">280503</mods:identifier>
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<treatment id="7E5E87A0FFC57734FF65FF643B770AEE" ID-DOI="http://doi.org/10.5281/zenodo.5667733" ID-GBIF-Taxon="119511890" ID-Zenodo-Dep="5667733" LSID="urn:lsid:plazi:treatment:7E5E87A0FFC57734FF65FF643B770AEE" httpUri="http://treatment.plazi.org/id/7E5E87A0FFC57734FF65FF643B770AEE" lastPageId="4" lastPageNumber="56" pageId="1" pageNumber="53">
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<subSubSection id="BEED653DFFC57731FF65FF6439090998" pageId="1" pageNumber="53" type="nomenclature">
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<paragraph id="F64836B6FFC57731FF65FF643A9D09FB" blockId="1.[151,664,151,210]" box="[151,664,151,177]" pageId="1" pageNumber="53">
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<heading id="AD0081DAFFC57731FF65FF643A9D09FB" bold="true" box="[151,664,151,177]" fontSize="11" level="1" pageId="1" pageNumber="53" reason="1">
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<emphasis id="C483EAA4FFC57731FF65FF643A9D09FB" bold="true" box="[151,664,151,177]" pageId="1" pageNumber="53">
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<taxonomicName id="31F74D35FFC57731FF65FF643A0409FB" ID-CoL="6B25R" box="[151,513,151,177]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="53" phylum="Chordata" rank="species" species="santarosensis" status="sp. nov.">
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||
<emphasis id="C483EAA4FFC57731FF65FF643A0409FB" bold="true" box="[151,513,151,177]" italics="true" pageId="1" pageNumber="53">Cordylancistrus santarosensis</emphasis>
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||
</taxonomicName>
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<taxonomicNameLabel id="DFB057DFFFC57731FDFAFF643A9D09FB" box="[520,664,151,177]" pageId="1" pageNumber="53" rank="species">new species</taxonomicNameLabel>
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||
</emphasis>
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||
</heading>
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||
</paragraph>
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<paragraph id="F64836B6FFC57731FF65FF4939090998" blockId="1.[151,664,151,210]" box="[151,268,186,210]" pageId="1" pageNumber="53">
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<figureCitation id="6ECC2A33FFC57731FF65FF4938E60998" box="[151,227,186,210]" captionStart="FIGURE 1" captionStartId="1.[151,250,1963,1986]" captionTargetBox="[151,1436,561,1940]" captionTargetId="figure@1.[151,1436,561,1940]" captionTargetPageId="1" captionText="FIGURE 1. Cordylancistrus santarosensis, holotype, 70.8 mm SL, dorsal, lateral, and ventral views. Photos by M. Tan." httpUri="https://zenodo.org/record/280504/files/figure.png" pageId="1" pageNumber="53">Figs. 1</figureCitation>
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,
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<figureCitation id="6ECC2A33FFC57731FF03FF4938FA0998" box="[241,255,186,210]" captionStart="FIGURE 2" captionStartId="2.[151,250,1539,1562]" captionTargetBox="[151,1436,661,1517]" captionTargetId="figure@2.[151,1436,661,1518]" captionTargetPageId="2" captionText="FIGURE 2. Dorsal view of left side of head of cleared-and-stained specimens, showing the difference in distribution of snout plates between a) Cordylancistrus santarosensis, AUM 52887, b) Chaetostoma platyrhyncha, ANSP 84570, c) Co. torbesensis, MCNG 8066, d) Ch. guariense, AUM 39880, and e) Ch. stanni, INHS 28838. Black line in a, d, and e represents the edge of the distribution of snout plates. The suspensorium has been removed from a, b, c, and e. Vertical bar represents 10 mm. Arrows point to where plates extend further towards the snout margin, between which there is a central region without plates at the extreme anterior edge of the snout (see Description). Photos by M. Tan." httpUri="https://zenodo.org/record/280505/files/figure.png" pageId="1" pageNumber="53">2</figureCitation>
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a
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</paragraph>
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||
</subSubSection>
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<subSubSection id="BEED653DFFC57731FF65FEF038F408B8" pageId="1" pageNumber="53" type="materials_examined">
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||
<paragraph id="F64836B6FFC57731FF65FEF03C260874" blockId="1.[151,1436,258,498]" pageId="1" pageNumber="53">
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||
<emphasis id="C483EAA4FFC57731FF65FEF039010851" bold="true" box="[151,260,259,283]" pageId="1" pageNumber="53">
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||
<typeStatus id="294C8814FFC57731FF65FEF039010851" box="[151,260,259,283]" pageId="1" pageNumber="53" type="holotype">Holotype</typeStatus>
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</emphasis>
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: MECN-DP 2061, 70.8 mm
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<collectionCode id="90E6AE73FFC57731FDB4FEF13A6C0850" box="[582,617,258,282]" pageId="1" pageNumber="53">SL</collectionCode>
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,
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<collectingCountry id="8EE07626FFC57731FD86FEF13AD60850" box="[628,723,258,282]" name="Ecuador" pageId="1" pageNumber="53">Ecuador</collectingCountry>
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, El Oro Province, Pacific Ocean drainage, Río Santa Rosa, 13.5 km S of Santa Rosa on Hwy 92, -3.56944°, -79.94291°, W. Aguirre,
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<date id="82491076FFC57731FC6BFED53C1A0874" box="[921,1055,294,318]" pageId="1" pageNumber="53" value="2008-07-09">9 July 2008</date>
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.
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</paragraph>
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<paragraph id="F64836B6FFC57731FF35FEB838F408B8" blockId="1.[151,1436,258,498]" pageId="1" pageNumber="53">
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<emphasis id="C483EAA4FFC57731FF35FEB8393A0829" bold="true" box="[199,319,331,355]" pageId="1" pageNumber="53">
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<typeStatus id="294C8814FFC57731FF35FEB8393A0829" box="[199,319,331,355]" pageId="1" pageNumber="53" type="paratype">Paratypes</typeStatus>
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</emphasis>
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||
:
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<specimenCount id="E0F1FD3FFFC57731FEBFFEB939DE0828" box="[333,475,330,354]" pageId="1" pageNumber="53" type="generic">5 specimens</specimenCount>
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. All collections
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<collectingCountry id="8EE07626FFC57731FD63FEB93AF50828" box="[657,752,330,354]" name="Ecuador" pageId="1" pageNumber="53">Ecuador</collectingCountry>
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, Río Santa Rosa. MECN-DP 2063, 1, 49.7 mm
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<collectionCode id="90E6AE73FFC57731FAF8FEB93D280828" box="[1290,1325,330,354]" pageId="1" pageNumber="53">SL</collectionCode>
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,
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<collectingCountry id="8EE07626FFC57731FACBFEB93D9D0828" box="[1337,1432,330,354]" name="Ecuador" pageId="1" pageNumber="53">Ecuador</collectingCountry>
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, El Oro Province, Pacific Ocean drainage, Río Santa Rosa,
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<quantity id="310F9B53FFC57731FCBFFE9D3B9D08CC" box="[845,920,366,390]" metricMagnitude="4" metricUnit="m" metricValue="1.3" pageId="1" pageNumber="53" unit="km" value="13.0">13 km</quantity>
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S of Santa Rosa on Hwy 92. -3.564139°, - 79.942306°, W. Aguirre,
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<date id="82491076FFC57731FE48FE613A4008E0" box="[442,581,402,426]" pageId="1" pageNumber="53" value="2008-07-09">9 July 2008</date>
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. Remaining
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<typeStatus id="294C8814FFC57731FD24FE603B4408E1" box="[726,833,403,427]" pageId="1" pageNumber="53" type="paratype">paratypes</typeStatus>
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same locality data as
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<typeStatus id="294C8814FFC57731FBB6FE613CAF08E0" box="[1092,1194,402,426]" pageId="1" pageNumber="53" type="holotype">holotype</typeStatus>
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: MECN-DP 2062, 1, 24.3 mm
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<collectionCode id="90E6AE73FFC57731FEF3FE4539200884" box="[257,293,438,462]" pageId="1" pageNumber="53">SL</collectionCode>
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||
;
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<collectionCode id="90E6AE73FFC57731FEC3FE4439870884" LSID="urn:lsid:biocol.org:col:34795" box="[305,386,439,462]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34795" name="Field Museum of Natural History" pageId="1" pageNumber="53">FMNH</collectionCode>
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<date id="82491076FFC57731FE7BFE4539E50884" box="[393,480,438,462]" pageId="1" pageNumber="53" value="32-12-05">120532</date>
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||
, 1: 43.5 mm
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||
<collectionCode id="90E6AE73FFC57731FD80FE453A930884" box="[626,662,438,462]" pageId="1" pageNumber="53">SL</collectionCode>
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||
;
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||
<collectionCode id="90E6AE73FFC57731FD53FE443AE70885" box="[673,738,439,463]" httpUri="http://grbio.org/cool/8wk2-p21y" name="Auburn University Museum of Natural History" pageId="1" pageNumber="53">AUM</collectionCode>
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52887, 2, 1 cleared and stained 43.9 mm
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<collectionCode id="90E6AE73FFC57731FB44FE453CDC0884" box="[1206,1241,438,462]" pageId="1" pageNumber="53">SL</collectionCode>
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||
,
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||
<specimenCount id="E0F1FD3FFFC57731FB17FE453D610884" box="[1253,1380,438,462]" pageId="1" pageNumber="53" type="generic">1 specimen</specimenCount>
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||
44.3 mm
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<collectionCode id="90E6AE73FFC57731FF3BFE2938E808B8" box="[201,237,474,498]" pageId="1" pageNumber="53">SL</collectionCode>
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||
.
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||
</paragraph>
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||
</subSubSection>
|
||
<caption id="A288663EFFC57731FF65F8583D520E88" box="[151,1367,1963,1986]" httpUri="https://zenodo.org/record/280504/files/figure.png" pageId="1" pageNumber="53" targetBox="[151,1436,561,1940]" targetPageId="1">
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||
<paragraph id="F64836B6FFC57731FF65F8583D520E88" blockId="1.[151,1367,1963,1986]" box="[151,1367,1963,1986]" pageId="1" pageNumber="53">
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||
<emphasis id="C483EAA4FFC57731FF65F85839160E8B" bold="true" box="[151,275,1963,1986]" pageId="1" pageNumber="53">FIGURE 1.</emphasis>
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||
<taxonomicName id="31F74D35FFC57731FEEBF85F3A4F0E88" box="[281,586,1964,1986]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="53" phylum="Chordata" rank="species" species="santarosensis">
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||
<emphasis id="C483EAA4FFC57731FEEBF85F3A4F0E88" box="[281,586,1964,1986]" italics="true" pageId="1" pageNumber="53">Cordylancistrus santarosensis</emphasis>
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</taxonomicName>
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, holotype, 70.8 mm SL, dorsal, lateral, and ventral views. Photos by M. Tan.
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</paragraph>
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</caption>
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<subSubSection id="BEED653DFFC67732FF35FF643AC30B15" pageId="2" pageNumber="54" type="diagnosis">
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||
<paragraph id="F64836B6FFC67732FF35FF643AC30B15" blockId="2.[151,1436,151,608]" pageId="2" pageNumber="54">
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||
<emphasis id="C483EAA4FFC67732FF35FF64394409FA" bold="true" box="[199,321,151,176]" pageId="2" pageNumber="54">Diagnosis.</emphasis>
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||
<taxonomicName id="31F74D35FFC67732FEB9FF6B3A9A09FA" box="[331,671,152,176]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="santarosensis">
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||
<emphasis id="C483EAA4FFC67732FEB9FF6B3A9A09FA" box="[331,671,152,176]" italics="true" pageId="2" pageNumber="54">Cordylancistrus santarosensis</emphasis>
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</taxonomicName>
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can be distinguished from all other members of the
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<taxonomicName id="31F74D35FFC67732FAFAFF6B3D9909FA" box="[1288,1436,152,176]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="genus">
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<emphasis id="C483EAA4FFC67732FAFAFF6B3D9909FA" box="[1288,1436,152,176]" italics="true" pageId="2" pageNumber="54">Chaetostoma</emphasis>
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</taxonomicName>
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group by having plates at the end of the snout (except for a central region at the extreme anterior edge), but lacking plates laterally on the head (vs. either a fully plated snout or a naked snout) (
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<figureCitation id="6ECC2A33FFC67732FC1EFF2C3C2C09BD" box="[1004,1065,223,247]" captionStart="FIGURE 2" captionStartId="2.[151,250,1539,1562]" captionTargetBox="[151,1436,661,1517]" captionTargetId="figure@2.[151,1436,661,1518]" captionTargetPageId="2" captionText="FIGURE 2. Dorsal view of left side of head of cleared-and-stained specimens, showing the difference in distribution of snout plates between a) Cordylancistrus santarosensis, AUM 52887, b) Chaetostoma platyrhyncha, ANSP 84570, c) Co. torbesensis, MCNG 8066, d) Ch. guariense, AUM 39880, and e) Ch. stanni, INHS 28838. Black line in a, d, and e represents the edge of the distribution of snout plates. The suspensorium has been removed from a, b, c, and e. Vertical bar represents 10 mm. Arrows point to where plates extend further towards the snout margin, between which there is a central region without plates at the extreme anterior edge of the snout (see Description). Photos by M. Tan." httpUri="https://zenodo.org/record/280505/files/figure.png" pageId="2" pageNumber="54">Fig 2</figureCitation>
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a).
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<taxonomicName id="31F74D35FFC67732FBB8FF133D9E09B2" box="[1098,1435,224,248]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="santarosensis">
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||
<emphasis id="C483EAA4FFC67732FBB8FF133D9E09B2" box="[1098,1435,224,248]" italics="true" pageId="2" pageNumber="54">Cordylancistrus santarosensis</emphasis>
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</taxonomicName>
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||
can be distinguished from
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<taxonomicName id="31F74D35FFC67732FE30FEF63A890856" box="[450,652,260,284]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="platycephalus">
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<emphasis id="C483EAA4FFC67732FE30FEF63A890856" box="[450,652,260,284]" italics="true" pageId="2" pageNumber="54">Co. platycephalus</emphasis>
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</taxonomicName>
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by the lack of keels on the lateral plates (vs. presence of keels on the lateral plates); from
|
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<taxonomicName id="31F74D35FFC67732FE8FFEDB3A4D080A" box="[381,584,296,320]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="platycephalus">
|
||
<emphasis id="C483EAA4FFC67732FE8FFEDB3A4D080A" box="[381,584,296,320]" italics="true" pageId="2" pageNumber="54">Co. platycephalus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="31F74D35FFC67732FDA5FEDB3AF0080A" box="[599,757,296,320]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="nephelion">
|
||
<emphasis id="C483EAA4FFC67732FDA5FEDB3AF0080A" box="[599,757,296,320]" italics="true" pageId="2" pageNumber="54">Co. nephelion</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="31F74D35FFC67732FCC6FEDB3BCD080A" box="[820,968,296,320]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="genus">
|
||
<emphasis id="C483EAA4FFC67732FCC6FEDB3BCD080A" box="[820,968,296,320]" italics="true" pageId="2" pageNumber="54">Chaetostoma</emphasis>
|
||
</taxonomicName>
|
||
(including
|
||
<taxonomicName id="31F74D35FFC67732FBB9FEDB3D0B080A" box="[1099,1294,296,320]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="platyrhyncha">
|
||
<emphasis id="C483EAA4FFC67732FBB9FEDB3D0B080A" box="[1099,1294,296,320]" italics="true" pageId="2" pageNumber="54">
|
||
<collectingCountry id="8EE07626FFC67732FBB9FEDB3C6A080A" box="[1099,1135,296,320]" name="Switzerland" pageId="2" pageNumber="54">Ch</collectingCountry>
|
||
. platyrhyncha
|
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</emphasis>
|
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</taxonomicName>
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) by the lack of a large papilla or papillae behind the dentary teeth (vs. dentary papilla present); from
|
||
<taxonomicName id="31F74D35FFC67732FB83FEBE3CF7082E" box="[1137,1266,332,356]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="daguae">
|
||
<emphasis id="C483EAA4FFC67732FB83FEBE3CF7082E" box="[1137,1266,332,356]" italics="true" pageId="2" pageNumber="54">Co. daguae</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="31F74D35FFC67732FADBFEBE38DF08C2" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="torbesensis">
|
||
<emphasis id="C483EAA4FFC67732FADBFEBE38DF08C2" italics="true" pageId="2" pageNumber="54">Co. torbesensis</emphasis>
|
||
</taxonomicName>
|
||
by hypertrophied odontodes not reaching past the gill openings (vs. hypertrophied odontodes extending to or beyond pectoral-fin spine insertion); from
|
||
<taxonomicName id="31F74D35FFC67732FD84FE663AF208E6" box="[630,759,404,428]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="daguae">
|
||
<emphasis id="C483EAA4FFC67732FD84FE663AF208E6" box="[630,759,404,428]" italics="true" pageId="2" pageNumber="54">Co. daguae</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="31F74D35FFC67732FCDDFE663BC908E6" box="[815,972,404,428]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="nephelion">
|
||
<emphasis id="C483EAA4FFC67732FCDDFE663BC908E6" box="[815,972,404,428]" italics="true" pageId="2" pageNumber="54">Co. nephelion</emphasis>
|
||
</taxonomicName>
|
||
by the lack of marked undulations in the lower lip (vs. lower lip with marked undulations); and from
|
||
<taxonomicName id="31F74D35FFC67732FCA1FE4B3C12089A" box="[851,1047,440,464]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="platyrhyncha">
|
||
<emphasis id="C483EAA4FFC67732FCA1FE4B3C12089A" box="[851,1047,440,464]" italics="true" pageId="2" pageNumber="54">
|
||
<collectingCountry id="8EE07626FFC67732FCA1FE4B3B72089A" box="[851,887,440,464]" name="Switzerland" pageId="2" pageNumber="54">Ch</collectingCountry>
|
||
. platyrhyncha
|
||
</emphasis>
|
||
</taxonomicName>
|
||
by the presence of hypertrophied cheek odontodes reaching the gill opening (vs. cheek odontodes not well-developed); dorsal fin when adpressed not reaching the preadipose plates (vs. extending to or beyond preadipose plates); five anal-fin rays (vs. two to three anal-fin rays), and typically has 8 dorsal-fin rays (the
|
||
<typeStatus id="294C8814FFC67732FCDFFDD73B8A0B76" box="[813,911,548,572]" pageId="2" pageNumber="54" type="holotype">holotype</typeStatus>
|
||
has 9 dorsal-fin rays) in
|
||
<taxonomicName id="31F74D35FFC67732FB54FDD63D690B76" box="[1190,1388,549,572]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="santarosensis">
|
||
<emphasis id="C483EAA4FFC67732FB54FDD63D690B76" box="[1190,1388,549,572]" italics="true" pageId="2" pageNumber="54">Co. santarosensis</emphasis>
|
||
</taxonomicName>
|
||
(vs. usually 9–10 dorsal-fin rays in
|
||
<taxonomicName id="31F74D35FFC67732FE06FDBB3AB30B2A" box="[500,694,584,608]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="platyrhyncha">
|
||
<emphasis id="C483EAA4FFC67732FE06FDBB3AB30B2A" box="[500,694,584,608]" italics="true" pageId="2" pageNumber="54">
|
||
<collectingCountry id="8EE07626FFC67732FE06FDBB3A1D0B2A" box="[500,536,584,608]" name="Switzerland" pageId="2" pageNumber="54">Ch</collectingCountry>
|
||
. platyrhyncha
|
||
</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="A288663EFFC67732FF65F9F03B680FF8" httpUri="https://zenodo.org/record/280505/files/figure.png" pageId="2" pageNumber="54" targetBox="[151,1436,661,1517]" targetPageId="2">
|
||
<paragraph id="F64836B6FFC67732FF65F9F03B680FF8" blockId="2.[151,1436,1539,1714]" pageId="2" pageNumber="54">
|
||
<emphasis id="C483EAA4FFC67732FF65F9F039160F52" bold="true" box="[151,275,1539,1562]" pageId="2" pageNumber="54">FIGURE 2.</emphasis>
|
||
Dorsal view of left side of head of cleared-and-stained specimens, showing the difference in distribution of snout plates between a)
|
||
<taxonomicName id="31F74D35FFC67732FEBEF9D13A780F72" box="[332,637,1570,1592]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="santarosensis">
|
||
<emphasis id="C483EAA4FFC67732FEBEF9D13A780F72" box="[332,637,1570,1592]" italics="true" pageId="2" pageNumber="54">Cordylancistrus santarosensis</emphasis>
|
||
</taxonomicName>
|
||
, AUM 52887, b)
|
||
<taxonomicName id="31F74D35FFC67732FCC3F9D13C470F72" box="[817,1090,1570,1592]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="platyrhyncha">
|
||
<emphasis id="C483EAA4FFC67732FCC3F9D13C470F72" box="[817,1090,1570,1592]" italics="true" pageId="2" pageNumber="54">Chaetostoma platyrhyncha</emphasis>
|
||
</taxonomicName>
|
||
, ANSP 84570, c)
|
||
<taxonomicName id="31F74D35FFC67732FB08F9D03D900F72" box="[1274,1429,1570,1592]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="torbesensis">
|
||
<emphasis id="C483EAA4FFC67732FB08F9D03D900F72" box="[1274,1429,1570,1592]" italics="true" pageId="2" pageNumber="54">Co. torbesensis</emphasis>
|
||
</taxonomicName>
|
||
, MCNG 8066, d)
|
||
<taxonomicName id="31F74D35FFC67732FEB0F9B239D50F1D" box="[322,464,1601,1623]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="guariense">
|
||
<emphasis id="C483EAA4FFC67732FEB0F9B239D50F1D" box="[322,464,1601,1623]" italics="true" pageId="2" pageNumber="54">Ch. guariense</emphasis>
|
||
</taxonomicName>
|
||
, AUM 39880, and e)
|
||
<taxonomicName id="31F74D35FFC67732FD59F9B23B170F1D" box="[683,786,1601,1623]" class="Actinopterygii" family="Loricariidae" genus="Chaetostoma" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="54" phylum="Chordata" rank="species" species="stanni">
|
||
<emphasis id="C483EAA4FFC67732FD59F9B23B170F1D" box="[683,786,1601,1623]" italics="true" pageId="2" pageNumber="54">Ch. stanni</emphasis>
|
||
</taxonomicName>
|
||
, INHS 28838. Black line in a, d, and e represents the edge of the distribution of snout plates. The suspensorium has been removed from a, b, c, and e. Vertical bar represents 10 mm. Arrows point to where plates extend further towards the snout margin, between which there is a central region without plates at the extreme anterior edge of the snout (see Description). Photos by M. Tan.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="BEED653DFFC67734FF35F8F039DA0A35" lastPageId="4" lastPageNumber="56" pageId="2" pageNumber="54" type="description">
|
||
<paragraph id="F64836B6FFC67732FF35F8F039F40EE1" blockId="2.[151,1437,1795,1963]" pageId="2" pageNumber="54">
|
||
<emphasis id="C483EAA4FFC67732FF35F8F0395C0E56" bold="true" box="[199,345,1795,1820]" pageId="2" pageNumber="54">Description.</emphasis>
|
||
Morphometric data are given in
|
||
<tableCitation id="BB75030DFFC67732FD25F8F03B280E51" box="[727,813,1795,1819]" captionStart="TABLE 1" captionStartId="3.[151,235,440,461]" captionTargetBox="[151,1436,523,1992]" captionTargetPageId="3" captionText="TABLE 1. Morphometric data of Cordylancistrus santarosensis. Morphometric data are given as percentages of standard length." httpUri="http://table.plazi.org/id/A288663EFFC77733FF65FE4B38D808BA" pageId="2" pageNumber="54" tableUuid="A288663EFFC77733FF65FE4B38D808BA">Table 1</tableCitation>
|
||
. Largest specimen
|
||
<typeStatus id="294C8814FFC67732FBFEF8F03C740E51" box="[1036,1137,1795,1819]" pageId="2" pageNumber="54" type="holotype">holotype</typeStatus>
|
||
, 70.8 mm SL. Body wide and depressed. Caudal peduncle compressed. Head wide and depressed, snout rounded. Body depth gently increases from the snout to the nares, angle of increase in body depth decreases between the nares and nuchal plate. Body depth gently decreases from nuchal plate to anteriormost dorsal procurrent caudal fin rays, then increases to caudal fin. Ventral surface flat.
|
||
</paragraph>
|
||
<paragraph id="F64836B6FFC77733FF35FF643C5008CD" blockId="3.[151,1436,151,392]" pageId="3" pageNumber="55">
|
||
Plates absent from anterior tip of snout. Naked snout tip followed by two columns of small plates (arrows,
|
||
<figureCitation id="6ECC2A33FFC77733FA82FF6438A3099E" captionStart="FIGURE 2" captionStartId="2.[151,250,1539,1562]" captionTargetBox="[151,1436,661,1517]" captionTargetId="figure@2.[151,1436,661,1518]" captionTargetPageId="2" captionText="FIGURE 2. Dorsal view of left side of head of cleared-and-stained specimens, showing the difference in distribution of snout plates between a) Cordylancistrus santarosensis, AUM 52887, b) Chaetostoma platyrhyncha, ANSP 84570, c) Co. torbesensis, MCNG 8066, d) Ch. guariense, AUM 39880, and e) Ch. stanni, INHS 28838. Black line in a, d, and e represents the edge of the distribution of snout plates. The suspensorium has been removed from a, b, c, and e. Vertical bar represents 10 mm. Arrows point to where plates extend further towards the snout margin, between which there is a central region without plates at the extreme anterior edge of the snout (see Description). Photos by M. Tan." httpUri="https://zenodo.org/record/280505/files/figure.png" pageId="3" pageNumber="55">Fig. 2</figureCitation>
|
||
a), and then narrow naked areas to evertible cheek plates; region posterior to snout tip fully plated medially. Lateral plates without keels. Mid-ventral plates bent at their midline above pectoral fin to form a weak ridge. Abdomen and ventral surface anterior to abdomen unplated. Five rows of plates on caudal peduncle. Median series 24 plates, mid-dorsal series 23–24 (mode 23) plates, mid-ventral series 23–26 (mode 24) plates. Exposed bones, plates and fin spines and rays covered in odontodes. Interopercular odontodes 16–31 (mode 19),
|
||
<typeStatus id="294C8814FFC77733FB76FEBF3CE3082E" box="[1156,1254,332,356]" pageId="3" pageNumber="55" type="holotype">holotype</typeStatus>
|
||
(31); number of odontodes greater with increased standard length, odontodes reaching to gill opening.
|
||
</paragraph>
|
||
<caption id="A288663EFFC77733FF65FE4B38D808BA" ID-Table-UUID="A288663EFFC77733FF65FE4B38D808BA" httpUri="http://table.plazi.org/id/A288663EFFC77733FF65FE4B38D808BA" pageId="3" pageNumber="55" targetBox="[151,1436,523,1992]" targetIsTable="true" targetPageId="3">
|
||
<paragraph id="F64836B6FFC77733FF65FE4B38D808BA" blockId="3.[151,1436,440,496]" pageId="3" pageNumber="55">
|
||
<emphasis id="C483EAA4FFC77733FF65FE4B39020887" bold="true" box="[151,263,440,461]" pageId="3" pageNumber="55">TABLE 1.</emphasis>
|
||
Morphometric data of
|
||
<taxonomicName id="31F74D35FFC77733FDFCFE4B3B470884" box="[526,834,440,462]" class="Actinopterygii" family="Loricariidae" genus="Cordylancistrus" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="55" phylum="Chordata" rank="species" species="santarosensis">
|
||
<emphasis id="C483EAA4FFC77733FDFCFE4B3B470884" box="[526,834,440,462]" italics="true" pageId="3" pageNumber="55">Cordylancistrus santarosensis</emphasis>
|
||
</taxonomicName>
|
||
. Morphometric data are given as percentages of standard length.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="F64836B6FFC77733FF6DFDC63D360E82" pageId="3" pageNumber="55">
|
||
<table id="84F7C416FFC788CFFF65FDF83D990E82" box="[151,1436,523,1992]" gridcols="5" gridrows="13" pageId="3" pageNumber="55">
|
||
<tr id="48C734F4FFC788CFFF65FDF83D990B00" box="[151,1436,523,586]" gridrow="0" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FDF839F10B00" box="[151,500,523,586]" gridcol="0" gridrow="0" pageId="3" pageNumber="55">SL</th>
|
||
<th id="0B165D88FFC788CFFD59FDF83B800B00" box="[683,901,523,586]" gridcol="1" gridrow="0" pageId="3" pageNumber="55">Holotype Avg 70.8 44.3</th>
|
||
<th id="0B165D88FFC788CFFC1EFDF83C1D0B00" box="[1004,1048,523,586]" gridcol="2" gridrow="0" pageId="3" pageNumber="55">SD 43.5</th>
|
||
<th id="0B165D88FFC788CFFB72FDF83CA90B00" box="[1152,1196,523,586]" gridcol="3" gridrow="0" pageId="3" pageNumber="55">Min 43.9</th>
|
||
<th id="0B165D88FFC788CFFAE1FDF83D990B00" box="[1299,1436,523,586]" gridcol="4" gridrow="0" pageId="3" pageNumber="55">Max 49.7</th>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FDAD3D990B8C" box="[151,1436,606,710]" gridrow="1" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FDAD39F10B8C" box="[151,500,606,710]" gridcol="0" gridrow="1" pageId="3" pageNumber="55">Predorsal Length Head Length Head-dorsal Length</th>
|
||
<td id="0B165D88FFC788CFFD59FDAD3B800B8C" box="[683,901,606,710]" gridcol="1" gridrow="1" pageId="3" pageNumber="55">44.1 47.0 34.2 34.9 9.8 10.5</td>
|
||
<td id="0B165D88FFC788CFFC1EFDAD3C1D0B8C" box="[1004,1048,606,710]" gridcol="2" gridrow="1" pageId="3" pageNumber="55">46.1 35.5 8.2</td>
|
||
<td id="0B165D88FFC788CFFB72FDAD3CA90B8C" box="[1152,1196,606,710]" gridcol="3" gridrow="1" pageId="3" pageNumber="55">45.0 33.7 10.2</td>
|
||
<td id="0B165D88FFC788CFFAE1FDAD3D990B8C" box="[1299,1436,606,710]" gridcol="4" gridrow="1" pageId="3" pageNumber="55">46.0 36.5 9.4</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FD293D990A08" box="[151,1436,730,834]" gridrow="2" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FD2939F10A08" box="[151,500,730,834]" gridcol="0" gridrow="2" pageId="3" pageNumber="55">Head-eye Length Orbit Diameter Snout Length</th>
|
||
<td id="0B165D88FFC788CFFD59FD293B800A08" box="[683,901,730,834]" gridcol="1" gridrow="2" pageId="3" pageNumber="55">12.8 13.4 5.4 6.2 21.3 20.5</td>
|
||
<td id="0B165D88FFC788CFFC1EFD293C1D0A08" box="[1004,1048,730,834]" gridcol="2" gridrow="2" pageId="3" pageNumber="55">12.8 6.0 21.5</td>
|
||
<td id="0B165D88FFC788CFFB72FD293CA90A08" box="[1152,1196,730,834]" gridcol="3" gridrow="2" pageId="3" pageNumber="55">13.6 6.9 19.5</td>
|
||
<td id="0B165D88FFC788CFFAE1FD293D990A08" box="[1299,1436,730,834]" gridcol="4" gridrow="2" pageId="3" pageNumber="55">14.0 5.6 21.4</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FCA53D990AF4" box="[151,1436,854,958]" gridrow="3" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FCA539F10AF4" box="[151,500,854,958]" gridcol="0" gridrow="3" pageId="3" pageNumber="55">Internares Width Interorbital Width Cleithral Width</th>
|
||
<td id="0B165D88FFC788CFFD59FCA53B800AF4" box="[683,901,854,958]" gridcol="1" gridrow="3" pageId="3" pageNumber="55">4.2 4.7 14.7 18.0 30.3 30.7</td>
|
||
<td id="0B165D88FFC788CFFC1EFCA53C1D0AF4" box="[1004,1048,854,958]" gridcol="2" gridrow="3" pageId="3" pageNumber="55">4.6 18.0 30.8</td>
|
||
<td id="0B165D88FFC788CFFB72FCA53CA90AF4" box="[1152,1196,854,958]" gridcol="3" gridrow="3" pageId="3" pageNumber="55">4.1 17.8 29.3</td>
|
||
<td id="0B165D88FFC788CFFAE1FCA53D990AF4" box="[1299,1436,854,958]" gridcol="4" gridrow="3" pageId="3" pageNumber="55">3.9 16.2 31.9</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FC213D990D70" box="[151,1436,978,1082]" gridrow="4" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FC2139F10D70" box="[151,500,978,1082]" gridcol="0" gridrow="4" pageId="3" pageNumber="55">Head-pectoral Length Thorax Length Pectoral-spine Length</th>
|
||
<td id="0B165D88FFC788CFFD59FC213B800D70" box="[683,901,978,1082]" gridcol="1" gridrow="4" pageId="3" pageNumber="55">32.1 30.3 24.4 21.8 26.5 26.8</td>
|
||
<td id="0B165D88FFC788CFFC1EFC213C1D0D70" box="[1004,1048,978,1082]" gridcol="2" gridrow="4" pageId="3" pageNumber="55">30.4 23.4 25.7</td>
|
||
<td id="0B165D88FFC788CFFB72FC213CA90D70" box="[1152,1196,978,1082]" gridcol="3" gridrow="4" pageId="3" pageNumber="55">31.2 21.6 25.4</td>
|
||
<td id="0B165D88FFC788CFFAE1FC213D990D70" box="[1299,1436,978,1082]" gridcol="4" gridrow="4" pageId="3" pageNumber="55">31.7 25.0 28.4</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FBBD3D990DFC" box="[151,1436,1102,1206]" gridrow="5" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FBBD39F10DFC" box="[151,500,1102,1206]" gridcol="0" gridrow="5" pageId="3" pageNumber="55">Abdominal Length Pelvic Unbranched Ray Length Postanal Length</th>
|
||
<td id="0B165D88FFC788CFFD59FBBD3B800DFC" box="[683,901,1102,1206]" gridcol="1" gridrow="5" pageId="3" pageNumber="55">22.4 23.6 24.0 24.8 33.4 30.8</td>
|
||
<td id="0B165D88FFC788CFFC1EFBBD3C1D0DFC" box="[1004,1048,1102,1206]" gridcol="2" gridrow="5" pageId="3" pageNumber="55">24.0 23.7 31.2</td>
|
||
<td id="0B165D88FFC788CFFB72FBBD3CA90DFC" box="[1152,1196,1102,1206]" gridcol="3" gridrow="5" pageId="3" pageNumber="55">20.9 25.2 30.2</td>
|
||
<td id="0B165D88FFC788CFFAE1FBBD3D990DFC" box="[1299,1436,1102,1206]" gridcol="4" gridrow="5" pageId="3" pageNumber="55">22.3 27.3 31.6</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FB393D990C78" box="[151,1436,1226,1330]" gridrow="6" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FB3939F10C78" box="[151,500,1226,1330]" gridcol="0" gridrow="6" pageId="3" pageNumber="55">Anal-fin Unbranched Ray Length Head Depth Dorsal-pectoral Distance</th>
|
||
<td id="0B165D88FFC788CFFD59FB393B800C78" box="[683,901,1226,1330]" gridcol="1" gridrow="6" pageId="3" pageNumber="55">9.0 8.2 24.5 24.5 28.2 28.2</td>
|
||
<td id="0B165D88FFC788CFFC1EFB393C1D0C78" box="[1004,1048,1226,1330]" gridcol="2" gridrow="6" pageId="3" pageNumber="55">12.5 24.4 27.7</td>
|
||
<td id="0B165D88FFC788CFFB72FB393CA90C78" box="[1152,1196,1226,1330]" gridcol="3" gridrow="6" pageId="3" pageNumber="55">8.5 25.0 28.7</td>
|
||
<td id="0B165D88FFC788CFFAE1FB393D990C78" box="[1299,1436,1226,1330]" gridcol="4" gridrow="6" pageId="3" pageNumber="55">9.0 24.4 28.8</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FAB53D990CE4" box="[151,1436,1350,1454]" gridrow="7" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FAB539F10CE4" box="[151,500,1350,1454]" gridcol="0" gridrow="7" pageId="3" pageNumber="55">Dorsal spine Length Dorsal-pelvic Distance Dorsal-fin base Length</th>
|
||
<td id="0B165D88FFC788CFFD59FAB53B800CE4" box="[683,901,1350,1454]" gridcol="1" gridrow="7" pageId="3" pageNumber="55">20.1 22.8 19.6 21.6 25.1 25.1</td>
|
||
<td id="0B165D88FFC788CFFC1EFAB53C1D0CE4" box="[1004,1048,1350,1454]" gridcol="2" gridrow="7" pageId="3" pageNumber="55">20.6 22.0 24.9</td>
|
||
<td id="0B165D88FFC788CFFB72FAB53CA90CE4" box="[1152,1196,1350,1454]" gridcol="3" gridrow="7" pageId="3" pageNumber="55">22.0 22.7 24.2</td>
|
||
<td id="0B165D88FFC788CFFAE1FAB53D990CE4" box="[1299,1436,1350,1454]" gridcol="4" gridrow="7" pageId="3" pageNumber="55">22.7 19.0 23.1</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65FA313D990F60" box="[151,1436,1474,1578]" gridrow="8" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65FA3139F10F60" box="[151,500,1474,1578]" gridcol="0" gridrow="8" pageId="3" pageNumber="55">Dorsal-adipose Distance Adipose-spine Length Adipose-upper caudal Distance</th>
|
||
<td id="0B165D88FFC788CFFD59FA313B800F60" box="[683,901,1474,1578]" gridcol="1" gridrow="8" pageId="3" pageNumber="55">14.9 15.7 8.2 8.6 14.3 14.7</td>
|
||
<td id="0B165D88FFC788CFFC1EFA313C1D0F60" box="[1004,1048,1474,1578]" gridcol="2" gridrow="8" pageId="3" pageNumber="55">14.5 8.6 14.8</td>
|
||
<td id="0B165D88FFC788CFFB72FA313CA90F60" box="[1152,1196,1474,1578]" gridcol="3" gridrow="8" pageId="3" pageNumber="55">15.6 8.4 12.4</td>
|
||
<td id="0B165D88FFC788CFFAE1FA313D990F60" box="[1299,1436,1474,1578]" gridcol="4" gridrow="8" pageId="3" pageNumber="55">14.8 9.7 13.3</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65F9CD3D990FEC" box="[151,1436,1598,1702]" gridrow="9" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65F9CD39F10FEC" box="[151,500,1598,1702]" gridcol="0" gridrow="9" pageId="3" pageNumber="55">Caudal peduncle Depth Adipose-lower caudal Distance Adipose-anal Distance</th>
|
||
<td id="0B165D88FFC788CFFD59F9CD3B800FEC" box="[683,901,1598,1702]" gridcol="1" gridrow="9" pageId="3" pageNumber="55">9.5 11.1 21.8 21.0 17.4 19.7</td>
|
||
<td id="0B165D88FFC788CFFC1EF9CD3C1D0FEC" box="[1004,1048,1598,1702]" gridcol="2" gridrow="9" pageId="3" pageNumber="55">11.3 22.6 18.4</td>
|
||
<td id="0B165D88FFC788CFFB72F9CD3CA90FEC" box="[1152,1196,1598,1702]" gridcol="3" gridrow="9" pageId="3" pageNumber="55">12.4 18.4 17.7</td>
|
||
<td id="0B165D88FFC788CFFAE1F9CD3D990FEC" box="[1299,1436,1598,1702]" gridcol="4" gridrow="9" pageId="3" pageNumber="55">9.5 21.8 16.6</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65F9493D990E68" box="[151,1436,1722,1826]" gridrow="10" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65F94939F10E68" box="[151,500,1722,1826]" gridcol="0" gridrow="10" pageId="3" pageNumber="55">Dorsal-anal Distance Pelvic-dorsal Distance Mouth Length</th>
|
||
<td id="0B165D88FFC788CFFD59F9493B800E68" box="[683,901,1722,1826]" gridcol="1" gridrow="10" pageId="3" pageNumber="55">13.1 15.0 23.4 26.6 18.9 21.2</td>
|
||
<td id="0B165D88FFC788CFFC1EF9493C1D0E68" box="[1004,1048,1722,1826]" gridcol="2" gridrow="10" pageId="3" pageNumber="55">15.0 27.7 21.1</td>
|
||
<td id="0B165D88FFC788CFFB72F9493CA90E68" box="[1152,1196,1722,1826]" gridcol="3" gridrow="10" pageId="3" pageNumber="55">14.9 24.2 21.0</td>
|
||
<td id="0B165D88FFC788CFFAE1F9493D990E68" box="[1299,1436,1722,1826]" gridcol="4" gridrow="10" pageId="3" pageNumber="55">14.3 24.1 21.6</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65F8C53D990ED4" box="[151,1436,1846,1950]" gridrow="11" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65F8C539F10ED4" box="[151,500,1846,1950]" gridcol="0" gridrow="11" pageId="3" pageNumber="55">Mouth Width Barbel Length Dentary tooth cup Length</th>
|
||
<td id="0B165D88FFC788CFFD59F8C53B800ED4" box="[683,901,1846,1950]" gridcol="1" gridrow="11" pageId="3" pageNumber="55">29.7 28.7 3.4 4.0 10.1 10.3</td>
|
||
<td id="0B165D88FFC788CFFC1EF8C53C1D0ED4" box="[1004,1048,1846,1950]" gridcol="2" gridrow="11" pageId="3" pageNumber="55">29.2 3.1 7.6</td>
|
||
<td id="0B165D88FFC788CFFB72F8C53CA90ED4" box="[1152,1196,1846,1950]" gridcol="3" gridrow="11" pageId="3" pageNumber="55">29.9 3.5 7.7</td>
|
||
<td id="0B165D88FFC788CFFAE1F8C53D990ED4" box="[1299,1436,1846,1950]" gridcol="4" gridrow="11" pageId="3" pageNumber="55">29.4 2.2 10.5</td>
|
||
</tr>
|
||
<tr id="48C734F4FFC788CFFF65F8413D990E82" box="[151,1436,1970,1992]" gridrow="12" pageId="3" pageNumber="55">
|
||
<th id="0B165D88FFC788CFFF65F84139F10E82" box="[151,500,1970,1992]" gridcol="0" gridrow="12" pageId="3" pageNumber="55">Premaxillary tooth cup Length</th>
|
||
<td id="0B165D88FFC788CFFD59F8413B800E82" box="[683,901,1970,1992]" gridcol="1" gridrow="12" pageId="3" pageNumber="55">9.8 10.1</td>
|
||
<td id="0B165D88FFC788CFFC1EF8413C1D0E82" box="[1004,1048,1970,1992]" gridcol="2" gridrow="12" pageId="3" pageNumber="55">9.7</td>
|
||
<td id="0B165D88FFC788CFFB72F8413CA90E82" box="[1152,1196,1970,1992]" gridcol="3" gridrow="12" pageId="3" pageNumber="55">9.3</td>
|
||
<td id="0B165D88FFC788CFFAE1F8413D990E82" box="[1299,1436,1970,1992]" gridcol="4" gridrow="12" pageId="3" pageNumber="55">8.6</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="F64836B6FFC07734FF35FF643D1E0885" blockId="4.[151,1437,151,933]" pageId="4" pageNumber="56">
|
||
All fin spines and rays support odontodes. Dorsal fin II, 8–9 (mode 8); spinelet
|
||
<emphasis id="C483EAA4FFC07734FBCEFF6A3C4F09FA" box="[1084,1098,153,176]" italics="true" pageId="4" pageNumber="56">V</emphasis>
|
||
-shaped, covered by skin, dorsal-fin spine lock functional. Nuchal plate variably exposed or hidden by predorsal plates. Dorsal spinelet covered by skin, and spinelet supporting odontodes in the
|
||
<typeStatus id="294C8814FFC07734FD26FF2C3B3C09BD" box="[724,825,223,247]" pageId="4" pageNumber="56" type="holotype">holotype</typeStatus>
|
||
. Dorsal fin not reaching adipose fin when adpressed. Pectoral fins I, 6. Pectoral fin reaches to pelvic fin unbranched ray insertion when adpressed ventral to pelvic fin. Pelvic fins i, 5, lacking a fleshy crest, and not greatly widened. Anal fin i, 5. Caudal fin i, 14, i, obliquely truncate. Iris operculum present. Mouth wide with papillose lips, papillae of anterior lip larger. Dentary lacks large papillae behind teeth. Edge of posterior lip crenulate. Maxillary barbel base fused to posterior lip by a fleshy flap, barbel tip free. Jaws wide and jaw angle almost 180°. Teeth bicuspid with medial lobe longer than lateral lobe. Crown yellow, stalk white. Dentary teeth 48–77 (median = 57, N = 5). Premaxillary teeth 37–63 (median = 45, N = 5).
|
||
</paragraph>
|
||
<paragraph id="F64836B6FFC07734FF35FE283CB20BCE" blockId="4.[151,1437,151,933]" pageId="4" pageNumber="56">
|
||
<emphasis id="C483EAA4FFC07734FF35FE28391508BE" bold="true" box="[199,272,475,500]" pageId="4" pageNumber="56">Color.</emphasis>
|
||
Specimens preserved in 70% alcohol have a uniformly dark green base color with light markings. Light line originating from posterior edge of first mid-ventral plate and continuing dorsally to insertion of dorsal fin spine. Body with three dark saddles, divided by two pale bands; the first pale band is below the middle rays of the dorsal fin, and the second below and anterior to the adipose fin insertion. Two pale spots are present on the lateral, posterior end of the caudal peduncle, one dorsal and one ventral. Abdomen uniformly whitish.
|
||
</paragraph>
|
||
<paragraph id="F64836B6FFC07734FF35FD7C3BEB0A7D" blockId="4.[151,1437,151,933]" pageId="4" pageNumber="56">Fins with alternating light and dark bands. Pectoral, pelvic, and dorsal fins with five dark bands, and caudal fin with six dark bands. Adipose fin usually with no bands, although two thin white bands were present in one specimen. Dark bands on fins formed from horizontally elongate spots centered on fin rays. There is no pigment on fin membranes of unpaired fins, and there is little pigment on fin membranes of paired fins. Light interspaces of lower lobe of caudal fin considerably darker than interspaces of upper caudal lobe.</paragraph>
|
||
<paragraph id="F64836B6FFC07734FF35FCB739DA0A35" blockId="4.[151,1437,151,933]" pageId="4" pageNumber="56">
|
||
<emphasis id="C483EAA4FFC07734FF35FCB7391F0A16" bold="true" box="[199,282,836,860]" pageId="4" pageNumber="56">Range.</emphasis>
|
||
Known only from the
|
||
<typeStatus id="294C8814FFC07734FDE8FCB63A4F0A17" box="[538,586,837,861]" pageId="4" pageNumber="56">type</typeStatus>
|
||
locality in the Río Santa Rosa (Gulf of Guayaquil drainage) near the southern coast of
|
||
<collectingCountry id="8EE07626FFC07734FED2FC9439780A35" box="[288,381,871,895]" name="Ecuador" pageId="4" pageNumber="56">Ecuador</collectingCountry>
|
||
(
|
||
<figureCitation id="6ECC2A33FFC07734FE7FFC9439D40A35" box="[397,465,871,895]" captionStart="FIGURE 3" captionStartId="4.[151,250,1711,1734]" captionText="FIGURE 3. Map of South America, with both localities indicated by a dot." pageId="4" pageNumber="56">Fig. 3</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="BEED653DFFC07734FF35FC7F3B770AEE" box="[199,882,908,933]" pageId="4" pageNumber="56" type="etymology">
|
||
<paragraph id="F64836B6FFC07734FF35FC7F3B770AEE" blockId="4.[151,1437,151,933]" box="[199,882,908,933]" pageId="4" pageNumber="56">
|
||
<emphasis id="C483EAA4FFC07734FF35FC7F394B0AEE" bold="true" box="[199,334,908,932]" pageId="4" pageNumber="56">Etymology.</emphasis>
|
||
Named for the
|
||
<typeStatus id="294C8814FFC07734FE0FFC7E3A280AEF" box="[509,557,909,933]" pageId="4" pageNumber="56">type</typeStatus>
|
||
locality, the Río Santa Rosa.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |