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<document ID-ISSN="1982-0224" approvalRequired="9" approvalRequired_for_originalDoi="1" approvalRequired_for_textStreams="8" checkinTime="1630375497412" checkinUser="carolina" docAuthor="Rodriguez, Mónica S., Cramer, Christian A., Bonatto, Sandro L. &amp; Reis, Roberto E." docDate="2008" docId="038887B5FFDC4459FEF7FE23FCC30BB2" docLanguage="en" docName="NeotropIchthyol.2008.35.pdf" docOrigin="Neotropical Ichthyology 6 (3)" docStyle="DocumentStyle:85A40B78B715C4497F837D9D78407CE5.4:NeotropIchthyol.2003-2013.journal_article" docStyleId="85A40B78B715C4497F837D9D78407CE5" docStyleName="NeotropIchthyol.2003-2013.journal_article" docStyleVersion="4" docTitle="Ixinandria Isbrucker &amp; Nijssen 1979" docType="treatment" docVersion="1" lastPageId="3" lastPageNumber="370" masterDocId="FFB1FFCDFFDE445AFFFDFFC3FFDA0C08" masterDocTitle="Taxonomy of Ixinandria Isbrücker &amp; Nijssen (Loricariidae: Loricariinae) based on morphological and molecular data" masterLastPageNumber="378" masterPageNumber="367" pageId="2" pageNumber="369" updateTime="1630383049323" updateUser="GgImagineBatch" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title>Taxonomy of Ixinandria Isbrücker &amp; Nijssen (Loricariidae: Loricariinae) based on morphological and molecular data</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Rodriguez, Mónica S.</mods:namePart>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Cramer, Christian A.</mods:namePart>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Bonatto, Sandro L.</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Reis, Roberto E.</mods:namePart>
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<mods:title>Neotropical Ichthyology</mods:title>
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<mods:date>2008</mods:date>
<mods:detail type="volume">
<mods:number>6</mods:number>
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<mods:number>3</mods:number>
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<mods:start>367</mods:start>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="ISSN">1982-0224</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:038887B5FFDC4459FEF7FE23FCC30BB2" httpUri="http://treatment.plazi.org/id/038887B5FFDC4459FEF7FE23FCC30BB2" lastPageId="3" lastPageNumber="370" pageId="2" pageNumber="369">
<subSubSection box="[266,694,480,504]" pageId="2" pageNumber="369" type="nomenclature">
<paragraph blockId="2.[266,694,480,504]" box="[266,694,480,504]" pageId="2" pageNumber="369">
<heading box="[266,694,480,504]" centered="true" fontSize="10" level="2" pageId="2" pageNumber="369" reason="2">
<taxonomicName authority="Isbrucker &amp; Nijssen, 1979" authorityName="Isbrucker &amp; Nijssen" authorityYear="1979" box="[266,694,480,504]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis bold="true" box="[266,694,480,504]" pageId="2" pageNumber="369">
<emphasis bold="true" box="[266,386,480,504]" italics="true" pageId="2" pageNumber="369">Ixinandria</emphasis>
Isbrücker &amp; Nijssen, 1979
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection lastPageId="3" lastPageNumber="370" pageId="2" pageNumber="369" type="diagnosis">
<paragraph blockId="2.[839,1482,194,441]" lastBlockId="2.[158,801,545,632]" pageId="2" pageNumber="369">
<emphasis bold="true" box="[839,957,194,217]" pageId="2" pageNumber="369">Diagnosis.</emphasis>
Among loricariines
<taxonomicName box="[1176,1290,194,217]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis box="[1176,1290,194,217]" italics="true" pageId="2" pageNumber="369">Ixinandria</emphasis>
</taxonomicName>
is most similar to
<taxonomicName authorityName="Bleeker" authorityYear="1862" box="[839,985,226,249]" class="Actinopterygii" family="Loricariidae" genus="Rineloricaria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis box="[839,985,226,249]" italics="true" pageId="2" pageNumber="369">Rineloricaria</emphasis>
</taxonomicName>
and can be distinguished from most genera by the total lack of abdominal plates, including the preanal plate.
<taxonomicName box="[839,938,290,313]" class="Ostracoda" family="Entocytheridae" genus="Hartiella" kingdom="Animalia" order="Podocopida" pageId="2" pageNumber="369" phylum="Arthropoda" rank="genus">
<emphasis box="[839,938,290,313]" italics="true" pageId="2" pageNumber="369">Hartiella</emphasis>
</taxonomicName>
and a few species of
<taxonomicName box="[1179,1259,290,313]" class="Actinopterygii" family="Loricariidae" genus="Harttia" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis box="[1179,1259,290,313]" italics="true" pageId="2" pageNumber="369">Harttia</emphasis>
</taxonomicName>
also have the abdomen completely devoid of plates, and can be distinguished from
<taxonomicName box="[898,1012,354,377]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis box="[898,1012,354,377]" italics="true" pageId="2" pageNumber="369">Ixinandria</emphasis>
</taxonomicName>
by having 12 branched caudal-fin rays (vs.
<quantity box="[839,896,386,409]" metricMagnitude="-1" metricUnit="m" metricValue="2.54" pageId="2" pageNumber="369" unit="in" value="10.0">10 in</quantity>
<emphasis box="[905,1028,386,409]" italics="true" pageId="2" pageNumber="369">
<taxonomicName box="[905,1020,386,409]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">Ixinandria</taxonomicName>
)
</emphasis>
and by the absence of postorbital notch, which is present in
<emphasis box="[1053,1174,418,441]" italics="true" pageId="2" pageNumber="369">
<taxonomicName box="[1053,1171,418,441]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">Ixinandria</taxonomicName>
.
</emphasis>
Species of
<taxonomicName authorityName="Isbruecker" authorityYear="1979" box="[1302,1474,418,441]" class="Actinopterygii" family="Loricariidae" genus="Crossoloricaria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis box="[1302,1474,418,441]" italics="true" pageId="2" pageNumber="369">Crossoloricaria</emphasis>
</taxonomicName>
,
<taxonomicName authority="Isbrucker &amp; Nijssen" authorityName="Isbrucker &amp; Nijssen" box="[158,486,545,568]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="genus">
<emphasis box="[158,269,545,568]" italics="true" pageId="2" pageNumber="369">Ixinandria</emphasis>
Isbrücker &amp; Nijssen
</taxonomicName>
, in
<bibRefCitation author="Isbrucker, I. J" box="[519,721,545,568]" pageId="2" pageNumber="369" pagination="86 - 116" refId="ref9917" refString="Isbrucker, I. J. H. 1979. Descriptions preliminaires de nouveaux taxa de la famille des Loricariidae. Revue Francaise d'Aquariologie, 5: 86 - 116." type="journal article" year="1979">Isbrücker, 1979: 87</bibRefCitation>
and 91, figs. 1-4.
<typeStatus box="[294,347,577,600]" pageId="2" pageNumber="369">Type</typeStatus>
species:
<taxonomicName authority="Regan, 1906" authorityName="Regan" authorityYear="1906" box="[441,797,577,600]" class="Phaeophyceae" family="Himanthaliaceae" genus="Loricaria" kingdom="Chromista" order="Fucales" pageId="2" pageNumber="369" phylum="Ochrophyta" rank="species" species="steinbachi">
<emphasis box="[441,657,577,600]" italics="true" pageId="2" pageNumber="369">Loricaria steinbachi</emphasis>
Regan, 1906
</taxonomicName>
, by original designation. Gender: feminine.
</paragraph>
<caption pageId="2" pageNumber="369" startId="2.[158,197,1826,1849]" targetBox="[168,782,693,1802]" targetPageId="2">
<paragraph blockId="2.[158,801,1826,1977]" pageId="2" pageNumber="369">
<emphasis bold="true" box="[158,228,1826,1849]" pageId="2" pageNumber="369">Fig. 1.</emphasis>
Plots of factor scores of principal component analysis of four populations of
<taxonomicName baseAuthorityName="Regan" baseAuthorityYear="1906" box="[435,688,1858,1881]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="369" phylum="Chordata" rank="species" species="steinbachi">
<emphasis box="[435,688,1858,1881]" italics="true" pageId="2" pageNumber="369">Ixinandria steinbachi</emphasis>
</taxonomicName>
. Dot, río Juramento basin; Square, southern upper río Bermejo basin; triangle, northern upper río Bermejo basin; and Star, río Pilcomayo. L = lectotype.
</paragraph>
</caption>
<caption pageId="2" pageNumber="369" startId="2.[839,878,1890,1913]" targetBox="[870,1463,482,1865]" targetPageId="2">
<paragraph blockId="2.[839,1481,1890,1977]" pageId="2" pageNumber="369">
<emphasis bold="true" box="[839,906,1890,1913]" pageId="2" pageNumber="369">Fig. 2.</emphasis>
Strict consensus of the 26 best trees from the maximum parsimony analysis. Tree length: 151. Numbers above branches are values from 1000 bootstrap replications.
</paragraph>
</caption>
<caption pageId="3" pageNumber="370" startId="3.[831,870,991,1014]" targetBox="[835,1470,195,973]" targetPageId="3">
<paragraph blockId="3.[831,1475,991,1142]" pageId="3" pageNumber="370">
<emphasis bold="true" box="[831,901,991,1014]" pageId="3" pageNumber="370">Fig. 4.</emphasis>
Minimum spanning network of
<taxonomicName baseAuthorityName="Regan" baseAuthorityYear="1906" box="[1243,1474,991,1014]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="species" species="steinbachi">
<emphasis box="[1243,1474,991,1014]" italics="true" pageId="3" pageNumber="370">Ixinandria steinbachi</emphasis>
</taxonomicName>
haplotypes. Distances correlate to the number of mutations in the sequence as marked by open dots. Circle size corresponds to frequency of haplotypes. White: Juramento, black: Bermejo 1, grey: Bermejo 2.
</paragraph>
</caption>
<paragraph blockId="3.[831,1474,1188,1371]" pageId="3" pageNumber="370">
has wide and almost symmetrical tooth cusps, and up to 18 teeth in each premaxilla (
<emphasis box="[1099,1121,1220,1243]" italics="true" pageId="3" pageNumber="370">vs</emphasis>
. premaxilla with up to 13 narrow and clearly asymmetrical teeth in other loricariines, except
<taxonomicName authorityName="Reis &amp; Cardoso" authorityYear="2001" box="[831,1131,1284,1307]" class="Actinopterygii" family="Loricariidae" genus="Rineloricaria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="species" species="aequalicuspis">
<emphasis box="[831,1131,1284,1307]" italics="true" pageId="3" pageNumber="370">Rineloricaria aequalicuspis</emphasis>
</taxonomicName>
which has up to 15 narrow teeth with nearly symmetrical cusps, and some hartiini, which also have many asymmetrical premaxillary teeth).
</paragraph>
<caption pageId="3" pageNumber="370" startId="3.[151,191,1621,1644]" targetBox="[184,772,188,1598]" targetPageId="3">
<paragraph blockId="3.[151,794,1621,1708]" pageId="3" pageNumber="370">
<emphasis bold="true" box="[151,227,1621,1644]" pageId="3" pageNumber="370">Fig. 3.</emphasis>
Best tree from maximum likelihood analysis. ln L=1643.94356. Numbers above branches are values from 1000 bootstrap replications.
</paragraph>
</caption>
<paragraph blockId="3.[151,794,1763,1978]" pageId="3" pageNumber="370">
<taxonomicName authorityName="Schultz" authorityYear="1944" box="[151,306,1763,1786]" class="Actinopterygii" family="Loricariidae" genus="Spatuloricaria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="genus">
<emphasis box="[151,306,1763,1786]" italics="true" pageId="3" pageNumber="370">Spatuloricaria</emphasis>
</taxonomicName>
, and
<taxonomicName box="[361,463,1763,1786]" class="Phaeophyceae" family="Himanthaliaceae" genus="Loricaria" kingdom="Chromista" order="Fucales" pageId="3" pageNumber="370" phylum="Ochrophyta" rank="genus">
<emphasis box="[361,463,1763,1786]" italics="true" pageId="3" pageNumber="370">Loricaria</emphasis>
</taxonomicName>
sometimes lack a preanal plate, but small abdominal plates are present. Some species of
<taxonomicName authorityName="Bleeker" authorityYear="1862" box="[151,297,1827,1850]" class="Actinopterygii" family="Loricariidae" genus="Rineloricaria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="genus">
<emphasis box="[151,297,1827,1850]" italics="true" pageId="3" pageNumber="370">Rineloricaria</emphasis>
</taxonomicName>
have a naked abdomen, but a preanal plate is always present, except in
<taxonomicName authorityName="Ghazzi" authorityYear="2008" box="[436,573,1859,1882]" class="Actinopterygii" family="Loricariidae" genus="Rineloricaria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="species" species="setepovos">
<emphasis box="[436,573,1859,1882]" italics="true" pageId="3" pageNumber="370">R. setepovos</emphasis>
</taxonomicName>
. This species, however, has a caudal-fin filament and 3-4 premaxillary teeth.
<taxonomicName box="[151,265,1923,1946]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="genus">
<emphasis box="[151,265,1923,1946]" italics="true" pageId="3" pageNumber="370">Ixinandria</emphasis>
</taxonomicName>
can also be distinguished from other loricariines by the shape and number of premaxillary teeth.
<taxonomicName box="[679,793,1955,1978]" class="Actinopterygii" family="Loricariidae" genus="Ixinandria" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="370" phylum="Chordata" rank="genus">
<emphasis box="[679,793,1955,1978]" italics="true" pageId="3" pageNumber="370">Ixinandria</emphasis>
</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
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