388 lines
45 KiB
XML
388 lines
45 KiB
XML
<document ID-DOI="10.1590/S1679-62252005000200001" ID-ISSN="1982-0224" ID-Zenodo-Dep="5418569" approvalRequired="104" approvalRequired_for_taxonomicNames="6" approvalRequired_for_textStreams="91" approvalRequired_for_treatments="7" checkinTime="1630369289621" checkinUser="carolina" docAuthor="Vari, Richard P., Ferraris Jr, Carl J. & de Pinna, Mário C. C." docDate="2005" docId="E56BC71F0E78FFF13E63F8B4FEFDE5EC" docLanguage="en" docName="NeotropIchthyol.2005.8.pdf" docOrigin="Neotropical Ichthyology 3 (2)" docSource="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000200001&lng=en&tlng=en" docStyle="DocumentStyle:85A40B78B715C4497F837D9D78407CE5.4:NeotropIchthyol.2003-2013.journal_article" docStyleId="85A40B78B715C4497F837D9D78407CE5" docStyleName="NeotropIchthyol.2003-2013.journal_article" docStyleVersion="4" docTitle="Denticetopsis epa Vari & Ferraris Jr & de Pinna 2005, new species" docType="treatment" docVersion="2" lastPageId="81" lastPageNumber="208" masterDocId="1952BF670E37FFA03F4CFFA8FFCEE255" masterDocTitle="The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study" masterLastPageNumber="238" masterPageNumber="127" pageId="79" pageNumber="206" updateTime="1630681654510" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Vari, Richard P.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Ferraris Jr, Carl J.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>de Pinna, Mário C. C.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Neotropical Ichthyology</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2005</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2005-06-30</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>3</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>127</mods:start>
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<mods:end>238</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000200001&lng=en&tlng=en</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.1590/S1679-62252005000200001</mods:identifier>
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<mods:identifier type="ISSN">1982-0224</mods:identifier>
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<mods:identifier type="Zenodo-Dep">5418569</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC" httpUri="http://treatment.plazi.org/id/E56BC71F0E78FFF13E63F8B4FEFDE5EC" lastPageId="81" lastPageNumber="208" pageId="79" pageNumber="206">
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<subSubSection box="[303,641,1820,1844]" pageId="79" pageNumber="206" type="nomenclature">
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<paragraph blockId="79.[303,641,1820,1875]" box="[303,641,1820,1844]" pageId="79" pageNumber="206">
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<heading box="[303,641,1820,1844]" centered="true" fontSize="10" level="2" pageId="79" pageNumber="206" reason="2">
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<emphasis bold="true" box="[303,641,1820,1844]" pageId="79" pageNumber="206">
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<taxonomicName authority="Vari & Ferraris Jr & de Pinna, 2005" authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[303,497,1820,1844]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="epa" status="new species">
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<emphasis bold="true" box="[303,497,1820,1844]" italics="true" pageId="79" pageNumber="206">Denticetopsis epa</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel box="[509,641,1820,1843]" pageId="79" pageNumber="206" rank="species">new species</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection box="[341,603,1852,1875]" pageId="79" pageNumber="206" type="description">
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<paragraph blockId="79.[303,641,1820,1875]" box="[341,603,1852,1875]" pageId="79" pageNumber="206">
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<figureCitation box="[341,461,1852,1875]" captionStart-0="Fig" captionStart-1="Fig" captionStartId-0="80.[158,197,581,604]" captionStartId-1="81.[151,190,961,984]" captionTargetBox-0="[247,1388,209,558]" captionTargetBox-1="[165,791,194,927]" captionTargetId-0="figure-722@80.[215,1425,190,575]" captionTargetId-1="figure-667@81.[143,803,191,927]" captionTargetPageId-0="80" captionTargetPageId-1="81" captionText-0="Fig. 45. Denticetopsis epa, new species, holotype, MZUSP 24060, 47 mm SL; Brazil, Pará, Igarapé do Limão, rio Tocantins, Baião (2°41’S,49°41’W)." captionText-1="Fig. 46. Map of central and northern SouthAmerica showing geographic distribution of Denticetopsis epa (1 = holotype locality), Denticetopsis iwokrama (2 = holotype locality), Denticetopsis macilenta (3 = holotype locality of Hemicetopsis macilenta), Denticetopsis praecox (4 = holotype locality), Denticetopsis royeroi (5 = holotype locality), Denticetopsis sauli (6 = holotype locality), and Denticetopsis seducta (7 = holotype locality) (some symbols represent more that one locality and/or lot of specimens)." figureDoi-0="http://doi.org/10.5281/zenodo.5418668" figureDoi-1="http://doi.org/10.5281/zenodo.5418670" httpUri-0="https://zenodo.org/record/5418668/files/figure.png" httpUri-1="https://zenodo.org/record/5418670/files/figure.png" pageId="79" pageNumber="206">Figs. 45-46</figureCitation>
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,
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<tableCitation box="[469,603,1852,1875]" captionStart-0="Table 16" captionStart-1="Table 17" captionStart-2="Table 18" captionStart-3="Table 19" captionStart-4="Table 20" captionStart-5="Table 21" captionStart-6="Table 22" captionStartId-0="94.[158,220,198,221]" captionStartId-1="94.[158,220,570,593]" captionStartId-2="94.[158,220,976,999]" captionStartId-3="94.[158,221,1343,1366]" captionStartId-4="94.[839,900,197,220]" captionStartId-5="94.[839,901,567,590]" captionStartId-6="94.[839,902,977,1000]" captionText-0="Table 16. Number of specimens of the species of Denticetopsis with cited number of dorsal and pectoral-fin rays. Bold indicates value for holotype when examined." captionText-1="Table 17. Number of specimens of the species of Denticetopsis with cited number of branched anal-fin rays. Bold indicates value for holotype when examined. None of anal-fin rays are branched in Denticetopsis royeroi and D. sauli." captionText-2="Table 18. Number of specimens of the species of Denticetopsis with cited number of total anal-fin rays. Bold indicates value for holotype when examined." captionText-3="Table 19. Number of specimens of the species of Denticetopsis with cited number of preanal vertebrae. Bold indicates values for holotype when available. Value for D. royeroi, known only from holotype which could not be radiographed, unavailable." captionText-4="Table 20. Number of specimens of the species of Denticetopsis with cited number of precaudal vertebrae.Bold indicates values for holotype when available. Value for D. royeroi, known only from holotype which could not be radiographed, unavailable." captionText-5="Table 21. Number of specimens of the species of Denticetopsis with cited number of caudal vertebrae. Bold indicates value for holotype when available for this study. Value for D. royeroi, known only from holotype which could not be radiographed, unavailable." captionText-6="Table 22. Number of specimens of species of Denticetopsis with cited number of total vertebrae. Bold indicates value for holotype when examined. Value for D. royeroi, known only from holotype which could not be radiographed, unavailable." pageId="79" pageNumber="206">Tables 16-22</tableCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="79" pageNumber="206" type="diagnosis">
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<paragraph blockId="79.[151,794,1922,1977]" lastBlockId="79.[831,1474,194,1241]" pageId="79" pageNumber="206">
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<emphasis bold="true" box="[151,271,1922,1945]" pageId="79" pageNumber="206">Diagnosis.</emphasis>
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[277,472,1922,1945]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="epa">
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<emphasis box="[277,472,1922,1945]" italics="true" pageId="79" pageNumber="206">Denticetopsis epa</emphasis>
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</taxonomicName>
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can be differentiated from
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<taxonomicName authorityName="Ferraris" authorityYear="1996" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="royeroi">
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<emphasis italics="true" pageId="79" pageNumber="206">D. royeroi</emphasis>
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</taxonomicName>
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and
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<taxonomicName authorityName="Ferraris" authorityYear="1996" box="[283,369,1953,1977]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="sauli">
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<emphasis box="[283,369,1953,1977]" italics="true" pageId="79" pageNumber="206">D. sauli</emphasis>
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</taxonomicName>
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by the combination of the lack of elongate, symphyseal teeth on the dentary, the lateral line extending posteriorly on the body beyond the abdomen at least onto the caudal peduncle, the presence of dentition on the vomer, a dorsal fin with 5 or 6 segmented rays and a first ray that is spinous basally, a symmetrical, shallowlyforked caudal fin, and the possession of horizontally-elongate, stellate, dark chromatophores on the body when the chromatophores are expanded.
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[1189,1391,418,441]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="epa">
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<emphasis box="[1189,1391,418,441]" italics="true" pageId="79" pageNumber="206">Denticetopsis epa</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName box="[889,1028,449,473]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="macilenta">
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<emphasis box="[889,1028,449,473]" italics="true" pageId="79" pageNumber="206">D. macilenta</emphasis>
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</taxonomicName>
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in the relative length of the pelvic fin (tip of the pelvic fin reaching to the posterior margin of the vent
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<emphasis box="[831,901,514,537]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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falling just short of the anterior margin of the vent, respectively), in the relative position of the eye (anterior limit of eye located at, or posterior of, the vertical through the anterior limit of the maxillary-barbel groove
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<emphasis box="[1329,1396,610,633]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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middle of the eye located at the vertical through the anterior limit of the maxillary-barbel groove, respectively).
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="epa">
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<emphasis italics="true" pageId="79" pageNumber="206">Denticetopsis epa</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName baseAuthorityName="Ferraris & Brown" baseAuthorityYear="1991" box="[1026,1150,706,729]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="praecox">
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<emphasis box="[1026,1150,706,729]" italics="true" pageId="79" pageNumber="206">D. praecox</emphasis>
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</taxonomicName>
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in the relative length of the pelvic fin (reaching to the posterior margin of the vent
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<emphasis italics="true" pageId="79" pageNumber="206">versus</emphasis>
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falling just short of the anterior margin of the vent, respectively) and in the number of premaxillary tooth rows (three rows of teeth on premaxilla in all but smallest examined specimens
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<emphasis box="[1016,1087,866,889]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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two rows of teeth, respectively).
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[831,1027,898,921]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="epa">
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<emphasis box="[831,1027,898,921]" italics="true" pageId="79" pageNumber="206">Denticetopsis epa</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[1173,1315,897,921]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="iwokrama">
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<emphasis box="[1173,1315,897,921]" italics="true" pageId="79" pageNumber="206">D. iwokrama</emphasis>
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</taxonomicName>
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in the number of total anal-fin rays (25 to 27
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<emphasis box="[1151,1220,930,953]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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29, respectively) and in the number of caudal (26 to 28
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<emphasis box="[1157,1225,962,985]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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32, respectively), preanal (14 or 15
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<emphasis box="[970,1039,994,1017]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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17, respectively), and total vertebrae (38 to 40
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<emphasis box="[889,957,1026,1049]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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43, respectively).
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[1152,1342,1026,1049]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="epa">
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<emphasis box="[1152,1342,1026,1049]" italics="true" pageId="79" pageNumber="206">Denticetopsis epa</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[831,949,1057,1081]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="79" pageNumber="206" phylum="Chordata" rank="species" species="seducta">
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<emphasis box="[831,949,1057,1081]" italics="true" pageId="79" pageNumber="206">D. seducta</emphasis>
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</taxonomicName>
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in the relative position of the origin of the anal fin (approximately at the vertical through the middle of TL
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<emphasis box="[831,901,1122,1145]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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distinctly anterior of that point, respectively) and in the relative depth of the caudal peduncle relative to the length of the caudal peduncle (depth/length 1.15-1.3
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<emphasis box="[1404,1474,1186,1209]" italics="true" pageId="79" pageNumber="206">versus</emphasis>
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1.33-1.5, respectively).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="80" lastPageNumber="207" pageId="79" pageNumber="206" type="description">
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<paragraph blockId="79.[831,1475,1282,1977]" pageId="79" pageNumber="206">
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<emphasis bold="true" box="[831,968,1282,1305]" pageId="79" pageNumber="206">Description.</emphasis>
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Body moderately-elongate, slightly-compressed laterally anteriorly and becoming progressively distinctlycompressed posteriorly. Body depth at dorsal-fin origin approximately 0.25 of SL, and approximately equal to distance from anterior margin of eye to posterior margin of opercle. Lateral line on body complete, unbranched, and midlateral; extending from vertical through pectoral-fin base onto caudal peduncle but falling to varying degrees short of posterior margin of hypural plate. Dorsal profile of body nearly straight from nape to dorsal-fin origin and nearly straight from dorsalfin origin to caudal-fin base. Ventral profile of body convex along abdomen, approximately straight, but posterodorsallyslanted, along base of anal fin. Caudal-peduncle depth approximately 1.5 times caudal-peduncle length.
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</paragraph>
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<paragraph blockId="79.[831,1475,1282,1977]" pageId="79" pageNumber="206">Head in profile acutely triangular overall with bluntlypointed snout. Dorsal profile of head slightly convex from tip of snout to nape. Ventral profile of head slightly convex. Margin of snout in dorsal view ranging from rounded to bluntly triangular. Postorbital margins of head running nearly in parallel from dorsal view. Enlarged jaw musculature very evident externally on dorsal surface of postorbital portion of head.</paragraph>
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<caption ID-DOI="http://doi.org/10.5281/zenodo.5418668" ID-Zenodo-Dep="5418668" httpUri="https://zenodo.org/record/5418668/files/figure.png" pageId="80" pageNumber="207" startId="80.[158,197,581,604]" targetBox="[247,1388,209,558]" targetPageId="80">
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<paragraph blockId="80.[158,1481,581,636]" pageId="80" pageNumber="207">
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<emphasis bold="true" box="[158,242,581,604]" pageId="80" pageNumber="207">Fig. 45.</emphasis>
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<emphasis box="[247,445,582,605]" italics="true" pageId="80" pageNumber="207">
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<taxonomicName authority="Vari & Ferraris Jr & de Pinna, 2005" authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[247,441,582,605]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="80" pageNumber="207" phylum="Chordata" rank="species" species="epa" status="new species">Denticetopsis epa</taxonomicName>
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,
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</emphasis>
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<taxonomicNameLabel box="[451,582,581,604]" pageId="80" pageNumber="207" rank="species">new species</taxonomicNameLabel>
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, holotype, MZUSP 24060, 47 mm SL; Brazil, Pará, Igarapé do Limão, rio Tocantins, Baião (2°41’S, 49°41’W).
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</paragraph>
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</caption>
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<paragraph blockId="80.[158,802,674,1977]" pageId="80" pageNumber="207">Opercular membrane attaching to isthmus only anterior of vertical through pectoral-fin insertion. Opercular opening moderate; extending ventral of pectoral-fin insertion by distance equal to distance from tip of snout to posterior margin of eye and extending dorsal of pectoral-fin insertion by distance equal to diameter of eye.</paragraph>
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<paragraph blockId="80.[158,802,674,1977]" pageId="80" pageNumber="207">Eye situated on lateral surface of head; located entirely dorsal to horizontal extending through pectoral-fin insertion; eye visible in dorsal view, but not in ventral view, of head. Middle of orbit at approximately anterior one-third of HL. Eye diameter approximately one-third of snout length. Interorbital width slightly greater than distance from tip of snout to posterior margin of orbit.Anterior narial opening circular, surrounded by short, anteriorly-directed, tubular rim of skin. Opening of anterior nares located along horizontal extending through maxillary-barbel origin and ventral of horizontal extending through tip of snout. Distance between anterior nares approximately equal to distance from tip of snout to middle of eye. Posterior narial opening located on dorsal surface of head, situated along vertical through anterior margin of orbit; narial opening rounded and completely surrounded by flap of skin of nearly uniform height and with posterior margins of flap in contact.</paragraph>
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<paragraph blockId="80.[158,802,674,1977]" pageId="80" pageNumber="207">Mouth inferior; its width approximately one-half of HL. Margin of lower jaw gently rounded, its posterior limit reaching to vertical through posterior margin of orbit. Premaxillary tooth patch in form of gently-arched band, continuous across midline, with anterior margin convex and posterior margin concave and running in parallel to anterior margin. Teeth on premaxilla small, conical, and sharply-pointed, with teeth arranged in two regular rows of uniform-sized teeth, and with variable number of teeth situated anterior of those two series that sometimes form irregular, third row. Vomerine teeth arranged in single, arched row with small gap in series at midline. Vomerine teeth stout and conical, becoming progressively larger laterally, with even smallest teeth on vomer larger than teeth on premaxilla. Dentary teeth comparable in shape to, but larger in size than, premaxillary teeth. Dentary dentition consisting of three, irregular row medially that taper to one row laterally.</paragraph>
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<paragraph blockId="80.[158,802,674,1977]" lastBlockId="80.[839,1482,674,1977]" pageId="80" pageNumber="207">Maxillary barbel slender, its length approximately equal to distance from tip of snout to rear of eye, and approximately one-third of HL; barbel origin located ventral to middle of orbit. Medial mental barbel slightly shorter than lateral mental barbel, with latter approximately equal in length to maxillary barbel. Medial mental-barbel origin located along vertical through rictus. Lateral mental-barbel origin situated slightly posterior of vertical through medial mental-barbel origin. Tips of adpressed mental barbel falling short of posterior margin of opercle.</paragraph>
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<paragraph blockId="80.[839,1482,674,1977]" pageId="80" pageNumber="207">
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Dorsal fin moderately large overall with length of dorsalfin base approximately 0.29-0.31 of HL. Length of longest branched dorsal-fin ray equal to approximately one-half of HL. Dorsal-fin spinelet absent. First dorsal-fin ray spinous for basal one-half of length but flexible more distally; without distal filament present in some species of the
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<taxonomicName authorityName="Bleeker" authorityYear="1858" box="[1355,1478,1090,1113]" class="Actinopterygii" family="Cetopsidae" kingdom="Animalia" order="Siluriformes" pageId="80" pageNumber="207" phylum="Chordata" rank="subFamily" subFamily="Cetopsinae">Cetopsinae</taxonomicName>
|
||
. Distal margin of dorsal fin convex, with second branched ray longest. Dorsal-fin origin located at approximately anterior 0.25-0.27 of SL and situated along vertical extending through middle of adpressed pectoral fin. Tip of adpressed dorsal fin reaching vertical through vent. Posterior most dorsal-fin ray without posterior, membranous attachment to body.
|
||
</paragraph>
|
||
<paragraph blockId="80.[839,1482,674,1977]" pageId="80" pageNumber="207">Caudal fin shallowly-forked, symmetrical; tips of lobes rounded. Length of longest caudal-fin ray approximately 1.5 times length of middle fin rays.</paragraph>
|
||
<paragraph blockId="80.[839,1482,674,1977]" pageId="80" pageNumber="207">Base of anal fin moderately long. Anal-fin origin located distinctly posterior of middle of SL and approximately at middle of TL. Anal-fin margin slightly convex in all examined specimens. Membranous attachment present between posterior margin of basal one-half of posterior most anal-fin ray and caudal peduncle.</paragraph>
|
||
<paragraph blockId="80.[839,1482,674,1977]" pageId="80" pageNumber="207">Pelvic fin moderately long; distal margin slightly convex, with middle fin rays longest. Pelvic-fin insertion located anterior to middle of SL and along vertical through posterior terminus of base of dorsal-fin. Tip of adpressed pelvic fin extending past middle of SL, and reaching posterior margin of vent. Medial most pelvic-fin ray with membranous attachment to body along basal one-fourth of its length.</paragraph>
|
||
<paragraph blockId="80.[839,1482,674,1977]" pageId="80" pageNumber="207">Pectoral-fin length approximately one-half of HL. Pectoral-fin margin distinctly convex, with middle ray longest. First pectoral-fin ray spinous with smooth margins and proportionally short, with length approximately one-half that of first branched fin ray.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="81" pageNumber="208" type="distribution">
|
||
<paragraph blockId="81.[831,1474,199,254]" pageId="81" pageNumber="208">
|
||
<emphasis bold="true" box="[831,975,199,222]" pageId="81" pageNumber="208">Distribution.</emphasis>
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[980,1167,199,223]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="epa">
|
||
<emphasis box="[980,1167,199,223]" italics="true" pageId="81" pageNumber="208">Denticetopsis epa</emphasis>
|
||
</taxonomicName>
|
||
is known from several localities in the lower portions of the rio
|
||
<collectingRegion box="[1201,1305,231,254]" country="Brazil" name="Tocantins" pageId="81" pageNumber="208">Tocantins</collectingRegion>
|
||
basin (
|
||
<figureCitation box="[1382,1462,231,254]" captionStart="Fig" captionStartId="81.[151,190,961,984]" captionTargetBox="[165,791,194,927]" captionTargetId="figure-667@81.[143,803,191,927]" captionTargetPageId="81" captionText="Fig. 46. Map of central and northern SouthAmerica showing geographic distribution of Denticetopsis epa (1 = holotype locality), Denticetopsis iwokrama (2 = holotype locality), Denticetopsis macilenta (3 = holotype locality of Hemicetopsis macilenta), Denticetopsis praecox (4 = holotype locality), Denticetopsis royeroi (5 = holotype locality), Denticetopsis sauli (6 = holotype locality), and Denticetopsis seducta (7 = holotype locality) (some symbols represent more that one locality and/or lot of specimens)." figureDoi="http://doi.org/10.5281/zenodo.5418670" httpUri="https://zenodo.org/record/5418670/files/figure.png" pageId="81" pageNumber="208">Fig. 46</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="81" pageNumber="208" type="etymology">
|
||
<paragraph blockId="81.[831,1474,295,478]" pageId="81" pageNumber="208">
|
||
<emphasis bold="true" box="[831,960,295,318]" pageId="81" pageNumber="208">Etymology.</emphasis>
|
||
The species name,
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[1161,1199,296,319]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="epa">
|
||
<emphasis box="[1161,1199,296,319]" italics="true" pageId="81" pageNumber="208">epa</emphasis>
|
||
</taxonomicName>
|
||
, is in reference to the Brazilian Expedição Permanente de Amazônia, commonly cited as EPA, which collected large series of scientifically valuable fishes across broad expanses of the Amazon basin and that collected the
|
||
<typeStatus box="[973,1019,423,446]" pageId="81" pageNumber="208">type</typeStatus>
|
||
series of
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[1121,1313,423,447]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="epa">
|
||
<emphasis box="[1121,1313,423,447]" italics="true" pageId="81" pageNumber="208">Denticetopsis epa</emphasis>
|
||
</taxonomicName>
|
||
. It is treated as a noun in apposition.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="81" pageNumber="208" type="materials_examined">
|
||
<paragraph blockId="81.[831,1474,519,886]" pageId="81" pageNumber="208">
|
||
<emphasis bold="true" box="[831,1033,519,540]" pageId="81" pageNumber="208">Material examined.</emphasis>
|
||
<materialsCitation collectingDate="1970-09-09" collectionCode="EPA" country="Brazil" county="Para" latitude="-2.6833334" location="Baiao" longLatPrecision="1307" longitude="-49.683334" municipality="Igarape do Limao" pageId="81" pageNumber="208" specimenCode="MZUSP 24060, 1" specimenCount="20" stateProvince="Tocantins" typeStatus="holotype">
|
||
<specimenCount box="[1039,1170,519,540]" pageId="81" pageNumber="208" type="generic">20 specimens</specimenCount>
|
||
(
|
||
<quantity box="[1183,1320,519,540]" metricMagnitude="-2" metricUnit="m" metricValue="3.359" metricValueMax="4.7" metricValueMin="2.018" pageId="81" pageNumber="208" unit="mm" value="33.59" valueMax="47.0" valueMin="20.18">20, 18-47 mm</quantity>
|
||
SL).
|
||
<emphasis bold="true" box="[1373,1468,519,540]" pageId="81" pageNumber="208">
|
||
<typeStatus box="[1373,1468,519,540]" pageId="81" pageNumber="208">Holotype</typeStatus>
|
||
</emphasis>
|
||
.
|
||
<collectingCountry box="[831,896,548,569]" name="Brazil" pageId="81" pageNumber="208">Brazil</collectingCountry>
|
||
.
|
||
<collectingCounty box="[909,957,548,569]" pageId="81" pageNumber="208">Pará</collectingCounty>
|
||
:
|
||
<collectingMunicipality box="[970,1157,548,569]" pageId="81" pageNumber="208">Igarapé do Limão</collectingMunicipality>
|
||
, rio
|
||
<collectingRegion box="[1208,1308,548,569]" country="Brazil" name="Tocantins" pageId="81" pageNumber="208">Tocantins</collectingRegion>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC:681D20D20E66FFF13A65FD8CFAADE06C" box="[1321,1379,548,569]" country="Brazil" county="Para" latitude="-2.6833334" longLatPrecision="1307" longitude="-49.683334" municipality="Igarape do Limao" name="Baiao" pageId="81" pageNumber="208" stateProvince="Tocantins">Baião</location>
|
||
(
|
||
<geoCoordinate box="[1398,1470,548,569]" degrees="2" direction="south" minutes="41" orientation="latitude" pageId="81" pageNumber="208" precision="925" value="-2.6833334">2°41’S</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[831,924,577,598]" degrees="49" direction="west" minutes="41" orientation="longitude" pageId="81" pageNumber="208" precision="925" value="-49.683334">49°41’W</geoCoordinate>
|
||
),
|
||
<location LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC:681D20D20E66FFF13CE1FDE9FADFE003" box="[941,1297,577,598]" country="Brazil" county="Para" latitude="-2.6833334" longLatPrecision="1307" longitude="-49.683334" municipality="Igarape do Limao" name="Expedicao Permanente de Amazonia" pageId="81" pageNumber="208" stateProvince="Tocantins">Expedição Permanente de Amazônia</location>
|
||
(
|
||
<collectionCode box="[1310,1359,577,598]" pageId="81" pageNumber="208">EPA</collectionCode>
|
||
),
|
||
<date pageId="81" pageNumber="208" value="1970-09-09">
|
||
<collectingDate pageId="81" pageNumber="208" value="1970-09-09">9 September 1970</collectingDate>
|
||
</date>
|
||
,
|
||
<specimenCode box="[934,1086,605,626]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">MZUSP 24060</specimenCode>
|
||
,
|
||
<specimenCode box="[1098,1110,605,626]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">1</specimenCode>
|
||
(47)
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation collectingDate="1970-09-09" collectionCode="EPA" country="Brazil" county="Para" latitude="-2.6833334" location="Baiao" longLatPrecision="1307" longitude="-49.683334" municipality="Igarape do Limao" pageId="81" pageNumber="208" specimenCode="MZUSP 83228, 7" specimenCount="23" stateProvince="Tocantins" typeStatus="paratype">
|
||
<emphasis bold="true" box="[1174,1278,605,626]" pageId="81" pageNumber="208">
|
||
<typeStatus box="[1174,1278,605,626]" pageId="81" pageNumber="208">Paratypes</typeStatus>
|
||
</emphasis>
|
||
.
|
||
<specimenCount box="[1293,1427,605,626]" pageId="81" pageNumber="208" type="generic">19 specimens</specimenCount>
|
||
(
|
||
<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.159" metricValueMax="4.4" metricValueMin="1.918" pageId="81" pageNumber="208" unit="mm" value="31.59" valueMax="44.0" valueMin="19.18">19, 18-44 mm</quantity>
|
||
SL).
|
||
<collectingCountry box="[981,1043,634,655]" name="Brazil" pageId="81" pageNumber="208">Brazil</collectingCountry>
|
||
.
|
||
<collectingCounty box="[1050,1097,634,655]" pageId="81" pageNumber="208">Pará</collectingCounty>
|
||
:
|
||
<collectingMunicipality box="[1104,1274,634,655]" pageId="81" pageNumber="208">Igarapé do Limão</collectingMunicipality>
|
||
, rio
|
||
<collectingRegion box="[1314,1410,634,655]" country="Brazil" name="Tocantins" pageId="81" pageNumber="208">Tocantins</collectingRegion>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC:681D20D20E66FFF13AC6FDD2FA0CE0DA" box="[1418,1474,634,655]" country="Brazil" county="Para" latitude="-2.6833334" longLatPrecision="1307" longitude="-49.683334" municipality="Igarape do Limao" name="Baiao" pageId="81" pageNumber="208" stateProvince="Tocantins">Baião</location>
|
||
(
|
||
<geoCoordinate box="[839,909,663,684]" degrees="2" direction="south" minutes="41" orientation="latitude" pageId="81" pageNumber="208" precision="925" value="-2.6833334">2°41’S</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[919,1011,663,684]" degrees="49" direction="west" minutes="41" orientation="longitude" pageId="81" pageNumber="208" precision="925" value="-49.683334">49°41’W</geoCoordinate>
|
||
),
|
||
<location LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC:681D20D20E66FFF13B48FD3FFAA7E0F9" box="[1028,1385,663,684]" country="Brazil" county="Para" latitude="-2.6833334" longLatPrecision="1307" longitude="-49.683334" municipality="Igarape do Limao" name="Expedicao Permanente de Amazonia" pageId="81" pageNumber="208" stateProvince="Tocantins">Expedição Permanente de Amazônia</location>
|
||
(
|
||
<collectionCode box="[1397,1446,663,684]" pageId="81" pageNumber="208">EPA</collectionCode>
|
||
),
|
||
<date pageId="81" pageNumber="208" value="1970-09-09">
|
||
<collectingDate pageId="81" pageNumber="208" value="1970-09-09">9 September 1970</collectingDate>
|
||
</date>
|
||
,
|
||
<specimenCode box="[1009,1163,692,713]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">MZUSP 83228</specimenCode>
|
||
,
|
||
<specimenCode box="[1176,1188,692,713]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">7</specimenCode>
|
||
(27-44,
|
||
<specimenCount box="[1278,1404,692,713]" pageId="81" pageNumber="208" type="generic">4 specimens</specimenCount>
|
||
,
|
||
<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.55" metricValueMax="4.4" metricValueMin="2.7" pageId="81" pageNumber="208" unit="mm" value="35.5" valueMax="44.0" valueMin="27.0">27-44 mm</quantity>
|
||
, cleared and stained)
|
||
</materialsCitation>
|
||
;
|
||
<materialsCitation box="[1091,1347,721,742]" collectionCode="USNM" country="Brazil" pageId="81" pageNumber="208" specimenCode="USNM 372767, 2" specimenCount="1" stateProvince="Tocantins" typeStatus="paratype">
|
||
<specimenCode box="[1091,1243,721,742]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="81" pageNumber="208" type="Museum">USNM 372767</specimenCode>
|
||
,
|
||
<specimenCode box="[1253,1265,721,742]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="81" pageNumber="208" type="Museum">2</specimenCode>
|
||
(30-37)
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation collectionCode="EPA" collectorName="Igarape & Tucurui" country="Brazil" location="Expedicao Permanente de Amazonia" pageId="81" pageNumber="208" specimenCode="MZUSP 24183, 7" specimenCount="2" stateProvince="Mato Grosso" typeStatus="paratype">
|
||
<collectorName box="[1357,1430,721,742]" pageId="81" pageNumber="208">Igarapé</collectorName>
|
||
# 5, km 5 on road from
|
||
<collectorName box="[1012,1089,749,770]" pageId="81" pageNumber="208">Tucuruí</collectorName>
|
||
to
|
||
<collectingRegion box="[1117,1244,749,770]" country="Brazil" name="Mato Grosso" pageId="81" pageNumber="208">Mato Grosso</collectingRegion>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC:681D20D20E66FFF13BA8FD45FC70E14A" country="Brazil" name="Expedicao Permanente de Amazonia" pageId="81" pageNumber="208" stateProvince="Mato Grosso">Expedição Permanente de Amazônia</location>
|
||
(
|
||
<collectionCode box="[970,1019,778,799]" pageId="81" pageNumber="208">EPA</collectionCode>
|
||
),
|
||
<specimenCode box="[1035,1183,778,799]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">MZUSP 24183</specimenCode>
|
||
,
|
||
<specimenCode box="[1192,1204,778,799]" collectionCode="EPA" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">7</specimenCode>
|
||
(18-31;
|
||
<specimenCount box="[1287,1408,778,799]" pageId="81" pageNumber="208" type="generic">2 specimens</specimenCount>
|
||
,
|
||
<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.45" metricValueMax="3.5" metricValueMin="3.4" pageId="81" pageNumber="208" unit="mm" value="34.5" valueMax="35.0" valueMin="34.0">34-35 mm</quantity>
|
||
, cleared and stained)
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation collectionCode="MZUSP" country="Brazil" latitude="-1.6" location="Igarape Pacui" longLatPrecision="1308" longitude="-47.216667" pageId="81" pageNumber="208" specimenCode="MZUSP 22279, 3" specimenCount="1" stateProvince="Mato Grosso" typeStatus="paratype">
|
||
<location LSID="urn:lsid:plazi:treatment:E56BC71F0E78FFF13E63F8B4FEFDE5EC:681D20D20E66FFF13B0CFC8FFB06E169" box="[1088,1224,807,828]" country="Brazil" latitude="-1.6" longLatPrecision="1308" longitude="-47.216667" name="Igarape Pacui" pageId="81" pageNumber="208" stateProvince="Mato Grosso">Igarapé Pacuí</location>
|
||
, at km 97 on highway
|
||
<locationDeviation firstLocation="Belem" pageId="81" pageNumber="208" secondLocation="Brasilia">between Belém and Brasília</locationDeviation>
|
||
(
|
||
<geoCoordinate box="[1104,1174,836,857]" degrees="1" direction="south" minutes="36" orientation="latitude" pageId="81" pageNumber="208" precision="925" value="-1.6">1°36’S</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[1186,1278,836,857]" degrees="47" direction="west" minutes="13" orientation="longitude" pageId="81" pageNumber="208" precision="925" value="-47.216667">47°13’W</geoCoordinate>
|
||
),
|
||
<specimenCode box="[1298,1450,836,857]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">MZUSP 22279</specimenCode>
|
||
,
|
||
<specimenCode box="[1462,1474,836,857]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="81" pageNumber="208">3</specimenCode>
|
||
</materialsCitation>
|
||
(30-37.5).
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.5418670" ID-Zenodo-Dep="5418670" httpUri="https://zenodo.org/record/5418670/files/figure.png" pageId="81" pageNumber="208" startId="81.[151,190,961,984]" targetBox="[165,791,194,927]" targetPageId="81">
|
||
<paragraph blockId="81.[151,794,961,1240]" pageId="81" pageNumber="208">
|
||
<emphasis bold="true" box="[151,234,961,984]" pageId="81" pageNumber="208">Fig. 46.</emphasis>
|
||
Map of central and northern South America showing geographic distribution of
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[443,637,994,1017]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="epa">
|
||
<emphasis box="[443,637,994,1017]" italics="true" pageId="81" pageNumber="208">Denticetopsis epa</emphasis>
|
||
</taxonomicName>
|
||
(1 = holotype locality),
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[258,524,1024,1049]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="iwokrama">
|
||
<emphasis box="[258,524,1024,1049]" italics="true" pageId="81" pageNumber="208">Denticetopsis iwokrama</emphasis>
|
||
</taxonomicName>
|
||
(2 = holotype locality),
|
||
<taxonomicName box="[151,454,1056,1081]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="macilenta">
|
||
<emphasis box="[151,454,1056,1081]" italics="true" pageId="81" pageNumber="208">Denticetopsis macilenta</emphasis>
|
||
</taxonomicName>
|
||
(3 = holotype locality of
|
||
<taxonomicName box="[151,410,1088,1113]" class="Actinopterygii" family="Cetopsidae" genus="Hemicetopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="macilenta">
|
||
<emphasis box="[151,410,1088,1113]" italics="true" pageId="81" pageNumber="208">Hemicetopsis macilenta</emphasis>
|
||
</taxonomicName>
|
||
),
|
||
<taxonomicName baseAuthorityName="Ferraris & Brown" baseAuthorityYear="1991" box="[434,676,1090,1113]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="praecox">
|
||
<emphasis box="[434,676,1090,1113]" italics="true" pageId="81" pageNumber="208">Denticetopsis praecox</emphasis>
|
||
</taxonomicName>
|
||
(4 = holotype locality),
|
||
<taxonomicName authorityName="Ferraris" authorityYear="1996" box="[307,539,1122,1145]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="royeroi">
|
||
<emphasis box="[307,539,1122,1145]" italics="true" pageId="81" pageNumber="208">Denticetopsis royeroi</emphasis>
|
||
</taxonomicName>
|
||
(5 = holotype locality),
|
||
<taxonomicName authorityName="Ferraris" authorityYear="1996" box="[151,353,1152,1177]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="sauli">
|
||
<emphasis box="[151,353,1152,1177]" italics="true" pageId="81" pageNumber="208">Denticetopsis sauli</emphasis>
|
||
</taxonomicName>
|
||
(6 = holotype locality), and
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="seducta">
|
||
<emphasis italics="true" pageId="81" pageNumber="208">Denticetopsis seducta</emphasis>
|
||
</taxonomicName>
|
||
(7 = holotype locality) (some symbols represent more that one locality and/or lot of specimens).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="81.[151,794,1282,1785]" pageId="81" pageNumber="208">
|
||
<emphasis bold="true" box="[151,388,1282,1305]" pageId="81" pageNumber="208">Coloration in alcohol.</emphasis>
|
||
Available specimens apparently largely depigmented. Body in most intensely pigmented specimens with lateral and dorsal surfaces covered with diffuse, horizontally-elongate, dark spots when chromatophores expanded; horizontally-elongate chromatophores supplemented by some scattered, smaller, more-darkly pigmented spots. Less darkly-pigmented specimens with widely-scattered, small, dark spots on body; spots occasionally very few in number. Head with diffuse, dark pigmentation scattered over dorsal and lateral surfaces. Less intensely-pigmented specimens with proportionally fewer chromatophores on head. Abdomen and ventral surface of head pale.
|
||
</paragraph>
|
||
<paragraph blockId="81.[151,794,1282,1785]" pageId="81" pageNumber="208">Dorsal fin dusky basally and pale distally. Anal, caudal, pelvic, and pectoral fins pale to very slightly dusky.</paragraph>
|
||
<paragraph blockId="81.[151,794,1282,1785]" pageId="81" pageNumber="208">Barbels with scattered, dark pigmentation basally and pale distally.</paragraph>
|
||
<paragraph blockId="81.[151,794,1826,1977]" pageId="81" pageNumber="208">
|
||
<emphasis bold="true" box="[151,416,1826,1849]" pageId="81" pageNumber="208">Sexual dimorphism.</emphasis>
|
||
The examined specimens of
|
||
<taxonomicName authorityName="Vari & Ferraris Jr & de Pinna" authorityYear="2005" box="[151,340,1858,1881]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="species" species="epa">
|
||
<emphasis box="[151,340,1858,1881]" italics="true" pageId="81" pageNumber="208">Denticetopsis epa</emphasis>
|
||
</taxonomicName>
|
||
lack the sexually-dimorphic features of the dorsal, pectoral, and anal fins that are characteristic of many species in the
|
||
<taxonomicName authorityName="Bleeker" authorityYear="1858" box="[316,440,1922,1945]" class="Actinopterygii" family="Cetopsidae" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="subFamily" subFamily="Cetopsinae">Cetopsinae</taxonomicName>
|
||
, albeit not the other species of
|
||
<taxonomicName authorityName="Ferraris" authorityYear="1996" box="[151,300,1954,1977]" class="Actinopterygii" family="Cetopsidae" genus="Denticetopsis" kingdom="Animalia" order="Siluriformes" pageId="81" pageNumber="208" phylum="Chordata" rank="genus">
|
||
<emphasis box="[151,300,1954,1977]" italics="true" pageId="81" pageNumber="208">Denticetopsis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |