143 lines
17 KiB
XML
143 lines
17 KiB
XML
<document id="144F78F0D69A0E025743AEEA00AE5927" ENCODING="UTF-8" ID-GBIF-Dataset="a5664da9-5bac-4e8f-8d6d-dae3911883d9" ModsDocID="z00026p001" checkinTime="1246628826841" checkinUser="thomas" docAuthor="Lilian Casatti" docDate="2002" docId="E31C959089EE4DE8AF2ECBC48EE3B053" docLanguage="en" docName="2002_Casatti_gg1.xml" docOrigin="Zootaxa 26" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:61678D80-0D7C-4B4A-89C5-8E576B7FF383" docTitle="Pachypops Gill 1861" docType="treatment" docVersion="14" lastPageNumber="4" masterDocId="B4C2EB867341B6532EA45C2ECF5B5870" masterDocTitle="Taxonomy of the South American genus Pachypops Gill 1861 (Teleostei: Perciformes: Sciaenidae), with the description of a new species." masterLastPageNumber="20" masterPageNumber="1" pageNumber="2" updateTime="1701313805238" updateUser="plazi">
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<mods:titleInfo id="1D1B3B62DA37CD65F00348A35447E8DE">
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<mods:title id="090D9CA96284EC8857EFFC13B5D4BFDD">Taxonomy of the South American genus Pachypops Gill 1861 (Teleostei: Perciformes: Sciaenidae), with the description of a new species.</mods:title>
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<mods:roleTerm id="07383E64BFB1EAED441F53CD241C2F92">Author</mods:roleTerm>
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<mods:namePart id="741E4B677223452EEB3DB997AC214AC5">Lilian Casatti</mods:namePart>
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<mods:typeOfResource id="F7F13E1506250A51F3655B6FD75C0654">text</mods:typeOfResource>
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<mods:title id="3EF46FDB07A44B208F4D03F790C5F32C">Zootaxa</mods:title>
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<mods:part id="4D1D0F9EC5DA653823D6ACE9EA16294B">
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<mods:date id="33B35F3D0DE279DD32E320AC4D2409DA">2002</mods:date>
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<mods:detail id="3D5DAEB07C3EC37146B1103E94B5D9D4" type="volume">
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<mods:number id="E326BB7F5061B9DFB8BD630BDEF77193">26</mods:number>
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<mods:start id="C40A952BB50DA80F77585D1C047CBCBC">1</mods:start>
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<mods:url id="A433C23415B2FA27E4277FF686C3528A">http://www.zoobank.org/urn:lsid:zoobank.org:pub:61678D80-0D7C-4B4A-89C5-8E576B7FF383</mods:url>
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</mods:location>
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<mods:classification id="DC920A374CAA40409D77558E50876DA1">journal article</mods:classification>
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<mods:identifier id="AB3EBCC0F38983942DD6934C451438BD" type="Plazi-Custom">z00026p001</mods:identifier>
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<treatment id="E31C959089EE4DE8AF2ECBC48EE3B053" ID-DOI="http://doi.org/10.5281/zenodo.6277607" ID-GBIF-Taxon="100125178" ID-Zenodo-Dep="6277607" LSID="urn:lsid:plazi:treatment:E31C959089EE4DE8AF2ECBC48EE3B053" httpUri="http://treatment.plazi.org/id/E31C959089EE4DE8AF2ECBC48EE3B053" lastPageNumber="4" pageNumber="2">
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<subSubSection id="879D910457B901980764FAF82C671B60" type="nomenclature">
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<paragraph id="DC9A97657E762EE58DD0B1098AE59DBA" pageNumber="2">
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Genus
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<taxonomicName id="644C050E56EC9D462270110A8A922174" ID-CoL="6BYQ" ID-ENA="1170315" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Pachypops Gill 1861</taxonomicName>
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</paragraph>
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<paragraph id="FEEE74AD514DD25C16965D917632BFFC" pageNumber="2">
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Type species.
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<taxonomicName id="27EF96C766601E3CF4DBA11AA1AA92D8" LSID-ZBK="urn:lsid:zoobank.org:act:7CE765F5-571B-4CA9-9C77-29A55E3509C6" family="Sciaenidae" genus="Micropogon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Micropogon trifilis Müller & Troschel 1849:622" order="Perciformes" pageNumber="2" phylum="Chordata" rank="species" species="trifilis">
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Micropogon trifilis
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<normalizedToken id="17F22C2A66BC85E8746B63CF1527751D" originalValue="Müller">Mueller</normalizedToken>
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and Troschel 1848
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</taxonomicName>
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: 622 (by original designation).
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</paragraph>
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</subSubSection>
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<subSubSection id="A8A1C85DD51F80FC14A3B3D191DA4A94" type="diagnosis">
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<paragraph id="175540F438CFBF911E0604ED7D4AA199" pageNumber="2">
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Diagnosis. Distinguished from the two other known South American freshwater sciaenid genera (
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<taxonomicName id="0396EEEA15176D560581ACC68035C4A9" LSID-ZBK="urn:lsid:zoobank.org:act:F85FE3B0-DEB1-4A78-B6EB-E88E243F54A6" family="Sciaenidae" genus="Pachyurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachyurus Agassiz 1831:125, 127" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Pachyurus</taxonomicName>
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and
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<taxonomicName id="466C26E0F2D3A6D56F0A0078E60990A9" LSID-ZBK="urn:lsid:zoobank.org:act:B27B431C-FC51-4ABC-B9FC-28F9655026C6" family="Sciaenidae" genus="Plagioscion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Plagioscion Gill 1861:82" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Plagioscion</taxonomicName>
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) by the following combination of characters: mouth inferior, presence of three mental barbels, the swimbladder with a pair log posterior branches projecting from shorter paired anterior appendages (Fig. 1), and presence of the expanded haemal spine on the first caudal vertebra (Fig. 2). Gender masculine.
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</paragraph>
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</subSubSection>
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<subSubSection id="7F7E8D5A291215F74C8758A609F1A4DD" type="discussion">
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<paragraph id="75142BEC51CEEAB2D61B81065E72C194" pageNumber="2">
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Comments. According to Sasaki (1989),
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<taxonomicName id="A3D96C5897B1A4F158B5585CDCA26A88" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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is characterized phylogenetically by its swimbladder with a pair of anterior appendages (see Fig. 1), the possession of an unpored median barbel, and the possession of a pair of mental barbels. An unpublished phylogenetic study of South American freshwater sciaenids done by the author of the present paper reveals that the species of
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<taxonomicName id="9B865EA949FA64AF17FDA5E5E7EE21F3" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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share not only those synapomorphies listed by Sasaki (1989) but also an expanded haemal spine on the first caudal vertebra (see Fig. 2). These four synapomorphies are assumed to be homoplastic with other perciforms in the final most parsimonious phylogeny.
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</paragraph>
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</subSubSection>
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<subSubSection id="0551EF376366B544C094693FF374D158" type="discussion">
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<paragraph id="7137F1A7F13F08E927A729C075F834FE" pageNumber="4">
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Jordan and Eigenmann (1889: 413) assigned
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<taxonomicName id="471925DB876E596A54D40A3CF9625F20" LSID-ZBK="urn:lsid:zoobank.org:act:D0D45D89-82A0-44EE-875D-56D6DD37C678" family="Sciaenidae" genus="Pachyurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachyurus Lepipterus adspersus Steindachner 1879:123 [5]" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="adspersus">Pachyurus adspersus Steindachner 1879</taxonomicName>
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to the genus
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<taxonomicName id="78AB9BD82EAEA3181365A64B52DBA7D5" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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. However, despite bearing three mental barbels and six mental pores,
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<taxonomicName id="D13F1BA279CB2EDF87E1FDF950759EA3" LSID-ZBK="urn:lsid:zoobank.org:act:D0D45D89-82A0-44EE-875D-56D6DD37C678" family="Sciaenidae" genus="Pachyurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachyurus Lepipterus adspersus Steindachner 1879:123 [5]" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="adspersus">P. adspersus</taxonomicName>
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lacks the expanded haemal spine and the appendages on the swimbladder, which occur in
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<taxonomicName id="00557603AEF8E09E86EBF4EF696CD2CD" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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. Casatti (2001) considered
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<taxonomicName id="BC0FE353323CFEACAA7F2A0A3DFA8756" LSID-ZBK="urn:lsid:zoobank.org:act:D0D45D89-82A0-44EE-875D-56D6DD37C678" family="Sciaenidae" genus="Pachyurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachyurus Lepipterus adspersus Steindachner 1879:123 [5]" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="adspersus">P. adspersus</taxonomicName>
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a member of
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<taxonomicName id="986DD5279DEB278F62742C70F3C0A7B4" LSID-ZBK="urn:lsid:zoobank.org:act:F85FE3B0-DEB1-4A78-B6EB-E88E243F54A6" family="Sciaenidae" genus="Pachyurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachyurus Agassiz 1831:125, 127" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Pachyurus</taxonomicName>
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as originally proposed by Steindachner. An expanded haemal spine on the first caudal vertebra is also present in some other examined perciforms (the haemulid
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<taxonomicName id="7066E002363B6AF17D655311BBBE9235" family="Haemulidae" genus="Haemulon" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="steindachneri">Haemulon steindachneri</taxonomicName>
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, the polynemid
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<taxonomicName id="7DCDA1EAA4EABABAE6DABB9C0EE88D21" family="Polynemidae" genus="Polydactylus" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="virginicus">Polydactylus virginicus</taxonomicName>
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, and the sciaenids
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<taxonomicName id="7D10CAFF29F5296F97D535EF6E46FB84" family="Sciaenidae" genus="Dendrophysa" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="russelli">Dendrophysa russelli</taxonomicName>
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,
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<taxonomicName id="79C8ACFEAE68AAB6F6AE20F0B3ADA6B9" family="Sciaenidae" genus="Kathala" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="axillaris">Kathala axillaris</taxonomicName>
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, and
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<taxonomicName id="211FF6BB66414B14233A7DE8400BB19E" family="Sciaenidae" genus="Plagioscion" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="auratus">Plagioscion auratus</taxonomicName>
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, pers. obser.) but it is interpreted as having been independently derived in these taxa.
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</paragraph>
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<paragraph id="B707808FEE6313E6EC56BF4594470A7F" pageNumber="4">
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Based on the barbel morphology
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<taxonomicName id="0B474EB713A1107F6BBB17D521B470BC" LSID-ZBK="urn:lsid:zoobank.org:act:B0D8702C-99BE-4E65-926C-A901941132BB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops cevegei Cervigón 1982:237" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="cevegei">
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Pachypops cevegei
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<normalizedToken id="0B602EADAFDB298A85264F785F196317" originalValue="Cervigón">Cervigon</normalizedToken>
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1982
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</taxonomicName>
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is not a species of
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<taxonomicName id="CE3A946C4A33CB92C5DC62446F4F8BC1" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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, but instead a species of
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<taxonomicName id="36B49CB2674F8DC661776F18E66B7F15" LSID-ZBK="urn:lsid:zoobank.org:act:CB92F15C-B6D6-492D-8A48-2271D89872D3" family="Sciaenidae" genus="Micropogonias" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Micropogonias Bonaparte 1831:170" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Micropogonias</taxonomicName>
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. Therefore, of six nominal species of
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<taxonomicName id="89FC5932B6B44DF44913BAAA7A8AE206" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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according to previous authors, two (
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<taxonomicName id="96C4CBB28A3676AC99C4CC09AD224D46" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="adspersus">Pachypops adspersus</taxonomicName>
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and
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<taxonomicName id="4A43352E447464A2DF66E78BB9F1821D" LSID-ZBK="urn:lsid:zoobank.org:act:B0D8702C-99BE-4E65-926C-A901941132BB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops cevegei Cervigón 1982:237" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="cevegei">Pachypops cevegei</taxonomicName>
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) are not assignable to the genus. The remaining nominal species are discussed below under “Comments” for
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<taxonomicName id="D00F9DDFAB772043E8C26D37587CC5F8" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="fourcroi">Pachypops fourcroi</taxonomicName>
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and
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<taxonomicName id="99CDBB3C4C53E0752A02DFA11D2479A3" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="trifilis">Pachypops trifilis</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="EBAB98F65CE80B98EA7D983886CA4146" type="key">
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<paragraph id="CABCA9D7C8B6ABADBAD66E0A06105205" pageNumber="4">
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Key to Species of
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<taxonomicName id="6A1D25AA55C28AC1F06FD3FA8B27BA62" LSID-ZBK="urn:lsid:zoobank.org:act:A1A52A20-86AC-4DC1-89BB-A5D1CC1CBBDB" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops Gill 1861:87" order="Perciformes" pageNumber="4" phylum="Chordata" rank="genus">Pachypops</taxonomicName>
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</paragraph>
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<paragraph id="73F1D9030E8B6C7A232E336E672FBA4B" pageNumber="4">
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1 Brown spots present on sides of body, body depth 4.3 or more in SL ............ .............................................
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<taxonomicName id="CB36CC0C5E1E19EBEA9B886C8E367FDF" LSID-ZBK="urn:lsid:zoobank.org:act:44463E3D-F63F-40C1-8225-9386EAAA1DD0" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Pachypops pigmaeus Casatti 2002:14" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="pigmaeus">Pachypops pigmaeus</taxonomicName>
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<taxonomicNameLabel id="A36465388B373489574B842E86BDDDE4" rank="species">n. sp.</taxonomicNameLabel>
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(Rio Machado and Madeira basins and upper Rio Branco, Brazil)
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</paragraph>
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<paragraph id="0AEBECF57F720564E5A7BB2993DCD0F8" pageNumber="4">- Spots absent on sides of body, body depth less than 4.1 in SL ................ 2</paragraph>
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<paragraph id="457D974B079ABD8AE6FFA389E6F3E86D" pageNumber="4">
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2 Dark longitudinal stripes present on sides of body, horizontal eye diameter from 3.0 to 3.7 in HL .....
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<taxonomicName id="932F7873FA04DCA29DF76920E5F5E7DF" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="trifilis">Pachypops trifilis</taxonomicName>
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(Rivers of Guyana and Rio Amazonas basin)
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</paragraph>
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<paragraph id="4170095BF002B2BC8B45DBC9D341367D" pageNumber="4">
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- Longitudinal stripes absent on sides of body, horizontal eye diameter from 2.4 to 3.1 into HL ............................................
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<taxonomicName id="22CF212D7F693251A7C5FD406413F103" family="Sciaenidae" genus="Pachypops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="4" phylum="Chordata" rank="species" species="fourcroi">Pachypops fourcroi</taxonomicName>
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(Amazonas, Essequibo, Corantijn, Approuague and Orinoco basins)
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |