238 lines
29 KiB
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238 lines
29 KiB
XML
<document id="1B3095A9603799969C007C6EC113EBCF" ID-DOI="10.5281/zenodo.186576" ID-GBIF-Dataset="67fca54a-6fad-4019-85c9-1b7a36e2d3b2" ID-ISSN="1175-5326" ID-Zenodo-Dep="186576" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461053439811" checkinUser="plazi" docAuthor="Damme, Kay Van & Dumont, Henri J." docDate="2009" docId="F26587F8FFD55E3BFF77F911DFE8FC23" docLanguage="en" docName="zt02051p040.pdf" docOrigin="Zootaxa 2051" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Armatalona Sinev 2004" docType="treatment" docVersion="9" lastPageNumber="36" masterDocId="0E5CFF80FFDC5E31FFE0FFF9DD29FF94" masterDocTitle="Notes on chydorid endemism in continental Africa: Matralona gen. n., a monotypic Alonine from the Fouta Djalon Plateau (Guinea, West Africa) (Crustacea: Cladocera: Anomopoda)" masterLastPageNumber="40" masterPageNumber="26" pageNumber="35" updateTime="1698580324603" updateUser="plazi">
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<mods:mods id="6FA94D5728C46C5E1EF920286A1993A4" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="77E21A009397CCA1B8D5C6D989FA094A">
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<mods:title id="3516D965E105EEA68E3B2FEAED28B6C6">Notes on chydorid endemism in continental Africa: Matralona gen. n., a monotypic Alonine from the Fouta Djalon Plateau (Guinea, West Africa) (Crustacea: Cladocera: Anomopoda)</mods:title>
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<mods:namePart id="9E175AC3C0952EDD10DF9E651F3961C7">Damme, Kay Van</mods:namePart>
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<mods:name id="F7215B140468BB8C9FF9EE4849223CEB" type="personal">
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<mods:roleTerm id="22839E66744D8D3657863ACF4D07B8AB">Author</mods:roleTerm>
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<mods:namePart id="5E9010EC7685FAC080EBBEEABFE39FCE">Dumont, Henri J.</mods:namePart>
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<mods:typeOfResource id="1393476BCB4C49213806C52A958DD483">text</mods:typeOfResource>
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<mods:title id="FB2998D9B118D6A5AE65E5ACF46EACF2">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="F550C39E27CC92031DFDCBF31533C733">
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<mods:date id="EA809164CCB3E713CE2654216456AE8E">2009</mods:date>
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<mods:detail id="B8AE2FB3B629387C398EA9A60DC84D6E" type="volume">
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<mods:number id="9A158BA13BDD90B3FDB95F90557E33F6">2051</mods:number>
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<mods:start id="0A6677B38055B4FB3CB17EF7F53D75C4">26</mods:start>
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<mods:classification id="A3B7A2E5896D011329083AAC1A729F97">journal article</mods:classification>
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<mods:identifier id="0C88B03A6576F40FBF5FE5E5CD8C446E" type="DOI">10.5281/zenodo.186576</mods:identifier>
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<mods:identifier id="EA06EE093D4F761183D3DB7CFF18B584" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="0053B629A221CB276E6E77D0F9BE7CE2" type="Zenodo-Dep">186576</mods:identifier>
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<treatment id="F26587F8FFD55E3BFF77F911DFE8FC23" ID-DOI="http://doi.org/10.5281/zenodo.5657817" ID-GBIF-Taxon="119612542" ID-Zenodo-Dep="5657817" LSID="urn:lsid:plazi:treatment:F26587F8FFD55E3BFF77F911DFE8FC23" httpUri="http://treatment.plazi.org/id/F26587F8FFD55E3BFF77F911DFE8FC23" lastPageId="10" lastPageNumber="36" pageId="9" pageNumber="35">
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<subSubSection id="32D66565FFD55E38FF77F911DF57F896" box="[151,638,1768,1795]" pageId="9" pageNumber="35" type="nomenclature">
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<paragraph id="7A7336EEFFD55E38FF77F911DF57F896" blockId="9.[151,638,1768,1795]" box="[151,638,1768,1795]" pageId="9" pageNumber="35">
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<heading id="213B8182FFD55E38FF77F911DF57F896" bold="true" box="[151,638,1768,1795]" fontSize="11" level="1" pageId="9" pageNumber="35" reason="1">
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<emphasis id="48B8EAFCFFD55E38FF77F911DF57F896" bold="true" box="[151,638,1768,1795]" pageId="9" pageNumber="35">
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Similarity with
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<taxonomicName id="BDCC4D6DFFD55E38FEBAF910DF57F896" ID-CoL="3322" authority="Sinev, 2004" authorityName="Sinev" authorityYear="2004" box="[346,638,1768,1795]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD55E38FEBAF910DCC3F897" bold="true" box="[346,490,1769,1795]" italics="true" pageId="9" pageNumber="35">Armatalona</emphasis>
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<bibRefCitation id="1E5D4B1FFFD55E38FE12F911DF57F896" author="Sinev" box="[498,638,1768,1794]" pageId="9" pageNumber="39" refString="Sinev, A. Y. (2004) Armatalona gen. n. - a new genus of subfamily Aloninae (Anomopoda, Chydoridae), separated from genus Alona Baird, 1840. Hydrobiologia, 420, 29 - 47." type="journal article" year="2004">Sinev, 2004</bibRefCitation>
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</taxonomicName>
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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 id="32D66565FFD55E3BFF26F8CADEDDFD5B" lastPageId="10" lastPageNumber="36" pageId="9" pageNumber="35" type="reference_group">
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<paragraph id="7A7336EEFFD55E3BFF26F8CADCB2FE0D" blockId="9.[151,1437,1842,2023]" lastBlockId="10.[151,1437,151,951]" lastPageId="10" lastPageNumber="36" pageId="9" pageNumber="35">
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<taxonomicName id="BDCC4D6DFFD55E38FF26F8CADC6DF8D8" box="[198,324,1843,1868]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD55E38FF26F8CADC6DF8D8" box="[198,324,1843,1868]" italics="true" pageId="9" pageNumber="35">Matralona</emphasis>
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</taxonomicName>
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<emphasis id="48B8EAFCFFD55E38FEB0F8CBDC81F8D8" bold="true" box="[336,424,1842,1868]" pageId="9" pageNumber="35">
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<taxonomicNameLabel id="538B5787FFD55E38FEB0F8CBDC81F8D8" box="[336,424,1842,1868]" pageId="9" pageNumber="35" rank="genus">gen. n.</taxonomicNameLabel>
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</emphasis>
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is not alone in its intermediate position. Within the subfamily, the Austral(as)ian
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<taxonomicName id="BDCC4D6DFFD55E38FF77F8A0DC90F8E7" ID-CoL="3322" authority="Sinev, 2004" authorityName="Sinev" authorityYear="2004" box="[151,441,1881,1907]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD55E38FF77F8A0DC0DF8E6" box="[151,292,1881,1906]" italics="true" pageId="9" pageNumber="35">Armatalona</emphasis>
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<bibRefCitation id="1E5D4B1FFFD55E38FECCF8A0DC90F8E7" author="Sinev" box="[300,441,1881,1907]" pageId="9" pageNumber="39" refString="Sinev, A. Y. (2004) Armatalona gen. n. - a new genus of subfamily Aloninae (Anomopoda, Chydoridae), separated from genus Alona Baird, 1840. Hydrobiologia, 420, 29 - 47." type="journal article" year="2004">Sinev, 2004</bibRefCitation>
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</taxonomicName>
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shows resemblance. The genus contains two species previously classified in
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<taxonomicName id="BDCC4D6DFFD55E38FAB5F8A0DC04F80E" ID-CoL="SSX" authority="Baird, 1843" authorityName="Baird" authorityYear="1843" class="Branchiopoda" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD55E38FAB5F8A0D8B2F8E6" box="[1365,1435,1881,1906]" italics="true" pageId="9" pageNumber="35">Alona</emphasis>
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Baird, 1843
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</taxonomicName>
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, removed by
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<bibRefCitation id="1E5D4B1FFFD55E38FE37F879DF55F80E" author="Sinev" box="[471,636,1920,1946]" pageId="9" pageNumber="39" refString="Sinev, A. Y. (2004) Armatalona gen. n. - a new genus of subfamily Aloninae (Anomopoda, Chydoridae), separated from genus Alona Baird, 1840. Hydrobiologia, 420, 29 - 47." type="journal article" year="2004">Sinev (2004)</bibRefCitation>
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.
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<taxonomicName id="BDCC4D6DFFD55E38FD69F879DE35F80D" ID-CoL="3322" box="[649,796,1920,1945]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD55E38FD69F879DE35F80D" box="[649,796,1920,1945]" italics="true" pageId="9" pageNumber="35">Armatalona</emphasis>
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</taxonomicName>
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is close to
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<taxonomicName id="BDCC4D6DFFD55E38FC4CF879D919F80D" box="[940,1072,1920,1945]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD55E38FC4CF879D919F80D" box="[940,1072,1920,1945]" italics="true" pageId="9" pageNumber="35">Matralona</emphasis>
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</taxonomicName>
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<emphasis id="48B8EAFCFFD55E38FBD9F886D9B8F80D" bold="true" box="[1081,1169,1919,1945]" pageId="9" pageNumber="35">
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<taxonomicNameLabel id="538B5787FFD55E38FBD9F886D9B8F80D" box="[1081,1169,1919,1945]" pageId="9" pageNumber="35" rank="genus">gen. n.</taxonomicNameLabel>
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</emphasis>
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but differs in several characters (
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<tableCitation id="374E0355FFD55E38FEC6F85FDCA0F854" box="[294,393,1958,1984]" captionStart="TABLE 2" captionStartId="9.[151,239,1094,1118]" captionTargetBox="[151,1436,1214,1613]" captionTargetPageId="9" captionText="TABLE 2. Differences between Matralona gen. n., Armatalona versus main Alona- like groups. Autapomorphies are not" httpUri="http://table.plazi.org/id/2EB36666FFD55E38FF77FBBFD8B5FBC9" pageId="9" pageNumber="35" tableUuid="2EB36666FFD55E38FF77FBBFD8B5FBC9">Table 2</tableCitation>
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). For example,
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<taxonomicName id="BDCC4D6DFFD55E38FDAEF85EDFCBF854" ID-CoL="3322" box="[590,738,1959,1984]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="35" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD55E38FDAEF85EDFCBF854" box="[590,738,1959,1984]" italics="true" pageId="9" pageNumber="35">Armatalona</emphasis>
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</taxonomicName>
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has strongly modified setae on the second antennae, an autapomorphy for the genus according to
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<bibRefCitation id="1E5D4B1FFFD55E38FD4BF834DE7AF873" author="Sinev" box="[683,851,1997,2023]" pageId="9" pageNumber="39" refString="Sinev, A. Y. (2004) Armatalona gen. n. - a new genus of subfamily Aloninae (Anomopoda, Chydoridae), separated from genus Alona Baird, 1840. Hydrobiologia, 420, 29 - 47." type="journal article" year="2004">Sinev (2004)</bibRefCitation>
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. In our opinion, both are valid genera, though
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<taxonomicName id="BDCC4D6DFFD65E3BFF77FF61DC3FFF25" box="[151,278,152,177]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD65E3BFF77FF61DC3FFF25" box="[151,278,152,177]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
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</taxonomicName>
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<emphasis id="48B8EAFCFFD65E3BFEFDFF6EDC58FF25" bold="true" box="[285,369,151,177]" pageId="10" pageNumber="36">
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<taxonomicNameLabel id="538B5787FFD65E3BFEFDFF6EDC58FF25" box="[285,369,151,177]" pageId="10" pageNumber="36" rank="genus">gen. n.</taxonomicNameLabel>
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</emphasis>
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could
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<emphasis id="48B8EAFCFFD65E3BFE24FF61DF6EFF25" box="[452,583,152,177]" italics="true" pageId="10" pageNumber="36">in extremis</emphasis>
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be regarded as a marginal
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<taxonomicName id="BDCC4D6DFFD65E3BFC6AFF61D93EFF25" ID-CoL="3322" box="[906,1047,152,177]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFC6AFF61D93EFF25" box="[906,1047,152,177]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
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</taxonomicName>
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. The habitus of
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<taxonomicName id="BDCC4D6DFFD65E3BFB3CFF61D840FF25" ID-CoL="3322" box="[1244,1385,152,177]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFB3CFF61D840FF25" box="[1244,1385,152,177]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="BDCC4D6DFFD65E3BFF77FF46DC3DFF4C" box="[151,276,191,216]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD65E3BFF77FF46DC3DFF4C" box="[151,276,191,216]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
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</taxonomicName>
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<emphasis id="48B8EAFCFFD65E3BFEFCFF47DC59FF4C" bold="true" box="[284,368,190,216]" pageId="10" pageNumber="36">
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<taxonomicNameLabel id="538B5787FFD65E3BFEFCFF47DC59FF4C" box="[284,368,190,216]" pageId="10" pageNumber="36" rank="genus">gen. n.</taxonomicNameLabel>
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</emphasis>
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differs, latter having a narrower anterior head shield, leaving the labrum exposed (
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<figureCitation id="E2F72A6BFFD65E3BFAA4FF47D8A4FF4C" box="[1348,1421,190,216]" captionStart="FIGURE 5" captionStartId="7.[151,256,1788,1812]" captionTargetBox="[168,1422,229,1738]" captionTargetId="figure@7.[152,1435,194,1765]" captionTargetPageId="7" captionText="FIGURE 5. The two-pored Matralona gen. n. and Armatalona Sinev, 2004. Both genera show similarities in external and limb morphology and may derive from a close common ancestor (or another result of homoplasy?). Both genera have the general appearance of small-sized Aloninae and previously belonged to Alona Baird, 1843. Top. Matralona simoneae (Dumont, 1981), Fouta Djalon, Guinea. Labral keel is completely exposed when compared to Armatalona. Below. Armatalona macrocopa (Sars, 1894), Australia. The spine-like antennal setae above the head are typical for the genus (Sinev 2004)." httpUri="https://zenodo.org/record/186581/files/figure.png" pageId="10" pageNumber="36">Fig. 5</figureCitation>
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). In
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<emphasis id="48B8EAFCFFD65E3BFF59FF1CDC7BFF6A" box="[185,338,229,254]" italics="true" pageId="10" pageNumber="36">
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<taxonomicName id="BDCC4D6DFFD65E3BFF59FF1CDC67FF6A" ID-CoL="3322" box="[185,334,229,254]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">Armatalona</taxonomicName>
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,
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</emphasis>
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the head shield extends laterally and protects antennules and labrum (
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<figureCitation id="E2F72A6BFFD65E3BFB5DFF1CD823FF6B" box="[1213,1290,229,255]" captionStart="FIGURE 5" captionStartId="7.[151,256,1788,1812]" captionTargetBox="[168,1422,229,1738]" captionTargetId="figure@7.[152,1435,194,1765]" captionTargetPageId="7" captionText="FIGURE 5. The two-pored Matralona gen. n. and Armatalona Sinev, 2004. Both genera show similarities in external and limb morphology and may derive from a close common ancestor (or another result of homoplasy?). Both genera have the general appearance of small-sized Aloninae and previously belonged to Alona Baird, 1843. Top. Matralona simoneae (Dumont, 1981), Fouta Djalon, Guinea. Labral keel is completely exposed when compared to Armatalona. Below. Armatalona macrocopa (Sars, 1894), Australia. The spine-like antennal setae above the head are typical for the genus (Sinev 2004)." httpUri="https://zenodo.org/record/186581/files/figure.png" pageId="10" pageNumber="36">Fig. 5</figureCitation>
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). On limbs,
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<taxonomicName id="BDCC4D6DFFD65E3BFF77FEF5DC0AFEB1" ID-CoL="3322" box="[151,291,268,293]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFF77FEF5DC0AFEB1" box="[151,291,268,293]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
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</taxonomicName>
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retains important ancestral features: long anterior setae on the first limb and three setae in the IDL (
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<bibRefCitation id="1E5D4B1FFFD65E3BFF7FFECBDC1FFED8" author="Sinev" box="[159,310,306,332]" pageId="10" pageNumber="39" refString="Sinev, A. Y. (2004) Armatalona gen. n. - a new genus of subfamily Aloninae (Anomopoda, Chydoridae), separated from genus Alona Baird, 1840. Hydrobiologia, 420, 29 - 47." type="journal article" year="2004">Sinev 2004</bibRefCitation>
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), reduced in
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<taxonomicName id="BDCC4D6DFFD65E3BFE3BFECBDF48FEDF" box="[475,609,306,331]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD65E3BFE3BFECBDF48FEDF" box="[475,609,306,331]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
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</taxonomicName>
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<emphasis id="48B8EAFCFFD65E3BFD8AFECBDFEAFED8" bold="true" box="[618,707,306,332]" pageId="10" pageNumber="36">
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<taxonomicNameLabel id="538B5787FFD65E3BFD8AFECBDFEAFED8" box="[618,707,306,332]" pageId="10" pageNumber="36" rank="genus">gen. n.</taxonomicNameLabel>
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</emphasis>
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These characters are present in species complexes of the
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<emphasis id="48B8EAFCFFD65E3BFF77FEA0DC3AFEE6" box="[151,275,345,370]" italics="true" pageId="10" pageNumber="36">Hexalona-</emphasis>
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branch (
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<tableCitation id="374E0355FFD65E3BFE93FEA0DCF9FEE7" box="[371,464,345,371]" captionStart="TABLE 2" captionStartId="9.[151,239,1094,1118]" captionTargetBox="[151,1436,1214,1613]" captionTargetPageId="9" captionText="TABLE 2. Differences between Matralona gen. n., Armatalona versus main Alona- like groups. Autapomorphies are not" httpUri="http://table.plazi.org/id/2EB36666FFD55E38FF77FBBFD8B5FBC9" pageId="10" pageNumber="36" tableUuid="2EB36666FFD55E38FF77FBBFD8B5FBC9">Table 2</tableCitation>
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), closer to true
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|
<taxonomicName id="BDCC4D6DFFD65E3BFD6BFEA0DFF8FEE6" ID-CoL="SSX" box="[651,721,345,370]" class="Branchiopoda" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFD6BFEA0DFF8FEE6" box="[651,721,345,370]" italics="true" pageId="10" pageNumber="36">Alona</emphasis>
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|
</taxonomicName>
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|
(
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<emphasis id="48B8EAFCFFD65E3BFD03FEA0DE8DFEE6" box="[739,932,345,370]" italics="true" pageId="10" pageNumber="36">quadrangularis-</emphasis>
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complex). They may represent a relatively ancestral morphology.
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</paragraph>
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<paragraph id="7A7336EEFFD65E3BFF25FE5FDEDDFD5B" blockId="10.[151,1437,151,951]" pageId="10" pageNumber="36">
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Affinities between
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<taxonomicName id="BDCC4D6DFFD65E3BFE4FFE5EDF18FE54" box="[431,561,423,448]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD65E3BFE4FFE5EDF18FE54" box="[431,561,423,448]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
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</taxonomicName>
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|
<taxonomicNameLabel id="538B5787FFD65E3BFDDAFE5FDFB9FE54" box="[570,656,422,448]" pageId="10" pageNumber="36" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFDDAFE5FDFB9FE54" bold="true" box="[570,656,422,448]" pageId="10" pageNumber="36">gen. n.</emphasis>
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</taxonomicNameLabel>
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and
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<taxonomicName id="BDCC4D6DFFD65E3BFD2CFE5EDE74FE54" ID-CoL="3322" box="[716,861,423,448]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFD2CFE5EDE74FE54" box="[716,861,423,448]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
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</taxonomicName>
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|
include characters of phylogenetic importance (
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|
<tableCitation id="374E0355FFD65E3BFF7EFE34DDD3FE73" box="[158,250,461,487]" captionStart="TABLE 2" captionStartId="9.[151,239,1094,1118]" captionTargetBox="[151,1436,1214,1613]" captionTargetPageId="9" captionText="TABLE 2. Differences between Matralona gen. n., Armatalona versus main Alona- like groups. Autapomorphies are not" httpUri="http://table.plazi.org/id/2EB36666FFD55E38FF77FBBFD8B5FBC9" pageId="10" pageNumber="36" tableUuid="2EB36666FFD55E38FF77FBBFD8B5FBC9">Table 2</tableCitation>
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;
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<bibRefCitation id="1E5D4B1FFFD65E3BFEE8FE34DF51FE73" author="Van" box="[264,632,461,487]" pageId="10" pageNumber="40" refString="Van Damme, K. & Dumont, H. J. (2008 b) Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen. n. (Crustacea: Cladocera). Zootaxa, 1960, 1 - 44." type="journal article" year="2008" yearSuffix="b">Van Damme & Dumont 2008b</bibRefCitation>
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). Others may result from convergence: the two genera share a small body size, limb reductions (like P3) and a similar postabdomen. These characters may be subject to strong variation. A peculiar similarity is the forward folding of the second antennae (
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<figureCitation id="E2F72A6BFFD65E3BFBD5FDE3D9B4FDA0" box="[1077,1181,538,564]" captionStart="FIGURE 5" captionStartId="7.[151,256,1788,1812]" captionTargetBox="[168,1422,229,1738]" captionTargetId="figure@7.[152,1435,194,1765]" captionTargetPageId="7" captionText="FIGURE 5. The two-pored Matralona gen. n. and Armatalona Sinev, 2004. Both genera show similarities in external and limb morphology and may derive from a close common ancestor (or another result of homoplasy?). Both genera have the general appearance of small-sized Aloninae and previously belonged to Alona Baird, 1843. Top. Matralona simoneae (Dumont, 1981), Fouta Djalon, Guinea. Labral keel is completely exposed when compared to Armatalona. Below. Armatalona macrocopa (Sars, 1894), Australia. The spine-like antennal setae above the head are typical for the genus (Sinev 2004)." httpUri="https://zenodo.org/record/186581/files/figure.png" pageId="10" pageNumber="36">Figure 5</figureCitation>
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). Still, a combination of characters separates
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|
<taxonomicName id="BDCC4D6DFFD65E3BFE5BFDB8DF67FDCE" ID-CoL="3322" box="[443,590,577,602]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFE5BFDB8DF67FDCE" box="[443,590,577,602]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
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|
</taxonomicName>
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|
and
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|
<taxonomicName id="BDCC4D6DFFD65E3BFD6CFDB8DE39FDCE" box="[652,784,577,602]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="48B8EAFCFFD65E3BFD6CFDB8DE39FDCE" box="[652,784,577,602]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
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|
</taxonomicName>
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|
<emphasis id="48B8EAFCFFD65E3BFCF9FDB9DE58FDCE" bold="true" box="[793,881,576,602]" pageId="10" pageNumber="36">
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|
<taxonomicNameLabel id="538B5787FFD65E3BFCF9FDB9DE58FDCE" box="[793,881,576,602]" pageId="10" pageNumber="36" rank="genus">gen. n.</taxonomicNameLabel>
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</emphasis>
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from the rest of the subfamily. If a result of common ancestry, this small lineage had little success in comparison to the widespread and common
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|
<taxonomicName id="BDCC4D6DFFD65E3BFF77FD76DC05FD3C" ID-CoL="62MG2" box="[151,300,655,680]" class="Branchiopoda" genus="Coronatella" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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<emphasis id="48B8EAFCFFD65E3BFF77FD76DC05FD3C" box="[151,300,655,680]" italics="true" pageId="10" pageNumber="36">Coronatella</emphasis>
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</taxonomicName>
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|
- and
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|
<emphasis id="48B8EAFCFFD65E3BFE94FD76DCC5FD3C" box="[372,492,655,680]" italics="true" pageId="10" pageNumber="36">Hexalona</emphasis>
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|
branches: today only a few species survive. Alternatively, similarities with
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFF77FD4CDC0AFD5A" ID-CoL="3322" box="[151,291,693,718]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
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|
<emphasis id="48B8EAFCFFD65E3BFF77FD4CDC0AFD5A" box="[151,291,693,718]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
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|
</taxonomicName>
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|
may be homoplastic, which is not uncommon in
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFC84FD4CDED8FD5B" box="[868,1009,693,719]" class="Branchiopoda" family="Chydoridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="family">Chydoridae</taxonomicName>
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.
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</paragraph>
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|
</subSubSection>
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|
<subSubSection id="32D66565FFD65E3BFF26FD25DFE8FC23" pageId="10" pageNumber="36" type="description">
|
|
<paragraph id="7A7336EEFFD65E3BFF26FD25DFE8FC23" blockId="10.[151,1437,151,951]" pageId="10" pageNumber="36">
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|
The characters of “
|
|
<emphasis id="48B8EAFCFFD65E3BFE4CFD25DFABFD61" box="[428,642,732,757]" italics="true" pageId="10" pageNumber="36">
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFE4CFD25DCD1FD61" box="[428,504,732,757]" class="Branchiopoda" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">Alona</taxonomicName>
|
|
”
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFDECFD25DF57FD61" box="[524,638,732,757]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="species" species="simoneae">simoneae</taxonomicName>
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|
,
|
|
</emphasis>
|
|
listed above, suggest 1. ancient origin and 2. strong isolation. We assign this species to a monotypic genus,
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFD70FCFBDE39FC8F" box="[656,784,770,795]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
|
<emphasis id="48B8EAFCFFD65E3BFD70FCFBDE39FC8F" box="[656,784,770,795]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
|
|
</taxonomicName>
|
|
<taxonomicNameLabel id="538B5787FFD65E3BFCF8FCFBDE4DFC88" box="[792,868,770,796]" pageId="10" pageNumber="36" rank="genus">
|
|
<emphasis id="48B8EAFCFFD65E3BFCF8FCFBDE74FC88" bold="true" box="[792,861,770,796]" pageId="10" pageNumber="36">gen.n</emphasis>
|
|
.
|
|
</taxonomicNameLabel>
|
|
If derived from common ancestry, populations leading to
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFEF4FCD0DC89FCD6" box="[276,416,809,834]" class="Branchiopoda" genus="Armatalona" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus">
|
|
<emphasis id="48B8EAFCFFD65E3BFEF4FCD0DC89FCD6" box="[276,416,809,834]" italics="true" pageId="10" pageNumber="36">Armatalona</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFE3AFCD0DF7EFCD6" box="[474,599,809,834]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
|
<emphasis id="48B8EAFCFFD65E3BFE3AFCD0DF7EFCD6" box="[474,599,809,834]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="48B8EAFCFFD65E3BFDBFFCD1DF9BFCD6" bold="true" box="[607,690,808,834]" pageId="10" pageNumber="36">
|
|
<taxonomicNameLabel id="538B5787FFD65E3BFDBFFCD1DF9BFCD6" box="[607,690,808,834]" pageId="10" pageNumber="36" rank="genus">gen. n.</taxonomicNameLabel>
|
|
</emphasis>
|
|
are likely disjunct since long and both represent relicts of their lineage.
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFF1CFCA9DC53FCFD" box="[252,378,848,873]" class="Branchiopoda" family="Chydoridae" genus="Matralona" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
|
<emphasis id="48B8EAFCFFD65E3BFF1CFCA9DC53FCFD" box="[252,378,848,873]" italics="true" pageId="10" pageNumber="36">Matralona</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="48B8EAFCFFD65E3BFE63FCB6DCFEFCFD" bold="true" box="[387,471,847,873]" pageId="10" pageNumber="36">
|
|
<taxonomicNameLabel id="538B5787FFD65E3BFE63FCB6DCFEFCFD" box="[387,471,847,873]" pageId="10" pageNumber="36" rank="genus">gen. n.</taxonomicNameLabel>
|
|
</emphasis>
|
|
is an example of divergence in limb morphology between
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFB78FCA9D82CFCFE" box="[1176,1285,848,874]" class="Branchiopoda" family="Chydoridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="subFamily" subFamily="Aloninae">Aloninae</taxonomicName>
|
|
with similar external characters: at first sight, habitus is similar to that of other small alonines. We discuss affinities with several two-pored
|
|
<taxonomicName id="BDCC4D6DFFD65E3BFE91FC64DCF5FC23" box="[369,476,925,951]" class="Branchiopoda" family="Chydoridae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="36" phylum="Arthropoda" rank="subFamily" subFamily="Aloninae">Aloninae</taxonomicName>
|
|
in the next section.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |