291 lines
31 KiB
XML
291 lines
31 KiB
XML
<document id="2EB975F6076D2915490B997308647135" ID-DOI="10.11646/phytotaxa.90.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="5071976" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625517298981" checkinUser="felipe" docAuthor="Pavlov, Aleksandar, Levkov, Zlatko, Williams, David M. & Edlund, Mark B." docDate="2013" docId="065A87E62A64A42DFF5EFEAFFEA30C4C" docLanguage="en" docName="Phytotaxa.90.1.1-53.pdf" docOrigin="Phytotaxa 90 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.90.1.1" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Hippodonta angustata A. Pavlov, Levkov, D. M. Williams & Edlund 2013, sp. nov." docType="treatment" docVersion="4" lastPageNumber="24" masterDocId="FA63FF9E2A73A43AFFC9FF9DFF960A2E" masterDocTitle="Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes" masterLastPageNumber="53" masterPageNumber="1" pageNumber="24" updateTime="1698991198074" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:mods id="DA8416FF84D4BA918E5FE729B46BA769" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="1CE493A1245FD473045614AFC063F186">
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<mods:title id="3E0513AE991D669CFBF00FE80134F389">Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes</mods:title>
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<mods:roleTerm id="02C7428DE7A2A99EE632196CB0DF5469">Author</mods:roleTerm>
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<mods:namePart id="88E5C726AB9F27E1A5AAF288A0B95C0D">Pavlov, Aleksandar</mods:namePart>
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<mods:roleTerm id="A6DEDD47878C0E336CA1E439D67FA15F">Author</mods:roleTerm>
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<mods:namePart id="A844AAE4151AB4DE116E907F97A1C592">Levkov, Zlatko</mods:namePart>
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</mods:name>
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<mods:roleTerm id="AAFDF008ABB36DADD166AAC47DA468F7">Author</mods:roleTerm>
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<mods:namePart id="C97AA53AB703A5D8B24BBC85813EE6F7">Williams, David M.</mods:namePart>
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</mods:role>
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<mods:namePart id="F05195DA6AAF1F840107CDD3F3DC6B19">Edlund, Mark B.</mods:namePart>
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<mods:affiliation id="77A454B25844CBF5D3783C2F18B3A261">St. Croix Watershed Research Station, Science Museum of Minnesota, Marine on St. Croix, Minnesota, USA.</mods:affiliation>
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<mods:typeOfResource id="FE60CF0B1D1862B8239C2F3724A94001">text</mods:typeOfResource>
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<mods:title id="81A9331F43EBF46DCA325A85019AF711">Phytotaxa</mods:title>
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<mods:part id="9B72498EA65ED9D2EB106E3266FF849C">
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<mods:date id="CEDB3514E267652336C7542A02DDBDBF">2013</mods:date>
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<mods:number id="8E62F25AB4739E37E28A2BCE94EF8272">2013-03-28</mods:number>
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<mods:number id="742F12474E82A7716EDEC45D86EE961F">90</mods:number>
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<mods:url id="81E54E6717CECF065D773BB65ED9C193">http://dx.doi.org/10.11646/phytotaxa.90.1.1</mods:url>
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<mods:identifier id="3129906091FE23AA58C589E01A290FA4" type="Zenodo-Dep">5071976</mods:identifier>
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<treatment id="065A87E62A64A42DFF5EFEAFFEA30C4C" ID-DOI="http://doi.org/10.5281/zenodo.5074122" ID-Zenodo-Dep="5074122" LSID="urn:lsid:plazi:treatment:065A87E62A64A42DFF5EFEAFFEA30C4C" httpUri="http://treatment.plazi.org/id/065A87E62A64A42DFF5EFEAFFEA30C4C" lastPageNumber="24" pageId="23" pageNumber="24">
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<subSubSection id="C6E9657B2A64A42DFF5EFEAFFB470B62" box="[151,1233,306,332]" pageId="23" pageNumber="24" type="nomenclature">
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<paragraph id="8E4C36F02A64A42DFF5EFEAFFB470B62" blockId="23.[151,1233,306,332]" box="[151,1233,306,332]" pageId="23" pageNumber="24">
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<heading id="D504819C2A64A42DFF5EFEAFFB470B62" box="[151,1233,306,332]" fontSize="11" level="2" pageId="23" pageNumber="24" reason="3">
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<taxonomicName id="49F34D732A64A42DFF5EFEAFFC200B62" authority="A. Pavlov, Levkov, D.M. Williams & Edlund" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[151,950,306,332]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata" status="sp. nov.">
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<emphasis id="BC87EAE22A64A42DFF5EFEAFFE360B62" bold="true" box="[151,416,306,332]" italics="true" pageId="23" pageNumber="24">Hippodonta angustata</emphasis>
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A. Pavlov, Levkov, D.M. Williams & Edlund
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</taxonomicName>
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,
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<emphasis id="BC87EAE22A64A42DFC08FEAFFB8C0B65" box="[961,1050,306,331]" italics="true" pageId="23" pageNumber="24">
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<taxonomicNameLabel id="A7B457992A64A42DFC08FEAFFB8C0B65" box="[961,1050,306,331]" pageId="23" pageNumber="24" rank="species">sp. nov.</taxonomicNameLabel>
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||
</emphasis>
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||
(
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<figureCitation id="16C82A752A64A42DFBE0FEAFFB5C0B62" box="[1065,1226,306,332]" captionStart="FIGURES 308–364" captionStartId="47.[151,269,1730,1754]" captionTargetBox="[289,1301,194,1706]" captionTargetId="figure-72@47.[264,1323,194,1706]" captionTargetPageId="47" captionText="FIGURES 308–364: LM micrographs. Figs 308–328. Hippodonta avittatiformis (type material). Figs 327, 328. Images of complete frustules in girdle view. Figs 329–342. Hippodonta angustata (type material). Figs 343–349. Hippodonta cocquytiae (type material). Figs 350–353. Hippodonta conspicua (type material). Figs 354–364. Hippodonta minuta (type material). Fig. 354. Complete frustule in girdle view. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5072000" httpUri="https://zenodo.org/record/5072000/files/figure.png" pageId="23" pageNumber="24">Figs 329–342</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C6E9657B2A64A42DFF5EFEE2FE370918" pageId="23" pageNumber="24" type="materials_examined">
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<paragraph id="8E4C36F02A64A42DFF5EFEE2FB7C0B99" blockId="23.[151,1436,383,439]" pageId="23" pageNumber="24">
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<emphasis id="BC87EAE22A64A42DFF5EFEE2FF590BB9" bold="true" box="[151,207,383,407]" pageId="23" pageNumber="24">Type</emphasis>
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:—
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<materialsCitation id="3E9B3CAD2A64A42DFF24FE1DFB700B99" collectingDate="1953-02-04" collectorName="R. Ross." country="Tanzania" elevation="8" location="Lake Tanganyika" pageId="23" pageNumber="24" specimenCount="1" typeStatus="holotype">
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<collectingCountry id="F6E476602A64A42DFF24FE1DFEED0BB9" box="[237,379,384,407]" name="Tanzania" pageId="23" pageNumber="24">TANZANIA</collectingCountry>
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.
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<location id="8B2C602B2A64A42DFE4CFE1DFDD60BB9" LSID="urn:lsid:plazi:treatment:065A87E62A64A42DFF5EFEAFFEA30C4C:8B2C602B2A64A42DFE4CFE1DFDD60BB9" box="[389,576,384,407]" country="Tanzania" name="Lake Tanganyika" pageId="23" pageNumber="24">Lake Tanganyika</location>
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, tangled in trawl from
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<elevation id="05DED1C32A64A42DFCFCFE1DFC350BB9" box="[821,931,384,407]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="23" pageNumber="24" unit="m" value="8.0">
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<quantity id="490B9B152A64A42DFCFCFE1DFCC80BB9" box="[821,862,384,407]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="23" pageNumber="24" unit="m" value="8.0">8 m</quantity>
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depth
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</elevation>
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, ¼ mile offshore
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<locationDeviation id="9FFE2FD22A64A42DFB97FE1DFA150BB9" box="[1118,1411,384,407]" firstLocation="Kjiyi" pageId="23" pageNumber="24" secondLocation="Bangwe">between Kjiyi and Bangwe</locationDeviation>
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,
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<date id="FA4D10302A64A42DFA47FE1DFEF30B99" pageId="23" pageNumber="24" value="1953-02-04">
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<collectingDate id="EA09E9D82A64A42DFA47FE1DFEF30B99" pageId="23" pageNumber="24" value="1953-02-04">4 February 1953</collectingDate>
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</date>
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, collector
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<collectorName id="230653262A64A42DFE1DFE3DFDBD0B99" box="[468,555,416,439]" pageId="23" pageNumber="24">
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<emphasis id="BC87EAE22A64A42DFE1DFE3DFDB20B99" box="[468,548,416,439]" italics="true" pageId="23" pageNumber="24">R. Ross</emphasis>
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.
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</collectorName>
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(
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<typeStatus id="514888522A64A42DFDF0FE3DFD0A0B99" box="[569,668,416,439]" pageId="23" pageNumber="24" type="holotype">holotype</typeStatus>
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: slide BM! 72160; isotype: slide MKNDC! 005850/A)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8E4C36F02A64A42DFF5EFE7BFE370918" blockId="23.[151,1436,486,1634]" pageId="23" pageNumber="24">
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Valves narrow, strictly lanceolate to narrow rhombic-lanceolate, with broadly cuneate or moderately rounded valve ends that are not protracted. Valve length 10.0–27.0 µm, width
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<quantity id="490B9B152A64A42DFC1EFD90FBF50809" box="[983,1123,525,551]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" metricValueMax="5.3" metricValueMin="3.3" pageId="23" pageNumber="24" unit="mm" value="4.3" valueMax="5.3" valueMin="3.3">3.3–5.3 µm</quantity>
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. Axial area narrow-linear, central area forming panduriform fascia expanding to valve margins. In smaller valves, fascia nearly rectangular. Terminal area distinguishable with LM, broad, semi-elliptical. Raphe linear-filiform, with weakly pronounced, teardrop-shaped, closely spaced central endings. Terminal pores of raphe rarely discernible in LM, simple, circle-shaped and slightly advancing into the terminal area. Striae coarse, moderately to strongly radiate at middle, becoming parallel or weakly convergent towards valve ends,
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<quantity id="490B9B152A64A42DFBF2FD53FB3508C6" box="[1083,1187,718,744]" metricMagnitude="-1" metricUnit="m" metricValue="3.048" metricValueMax="3.556" metricValueMin="2.54" pageId="23" pageNumber="24" unit="in" value="12.0" valueMax="14.0" valueMin="10.0">10–14 in</quantity>
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<quantity id="490B9B152A64A42DFB63FD53FB6C08C6" box="[1194,1274,718,744]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="23" pageNumber="24" unit="mm" value="10.0">10 µm</quantity>
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. Interstriae of equal or lower width than striae. Lineolae composing striae quite densely spaced along a stria, not distinguishable in LM.
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</paragraph>
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</subSubSection>
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<subSubSection id="C6E9657B2A64A42DFF0FFCDFFEA30C4C" pageId="23" pageNumber="24" type="distribution">
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<paragraph id="8E4C36F02A64A42DFF0FFCDFFDCC09AD" blockId="23.[151,1436,486,1634]" pageId="23" pageNumber="24">
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<emphasis id="BC87EAE22A64A42DFF0FFCDFFEC90972" bold="true" box="[198,351,834,860]" pageId="23" pageNumber="24">Distribution</emphasis>
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:—
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<taxonomicName id="49F34D732A64A42DFE4DFCDFFD1A0975" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[388,652,834,859]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
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<emphasis id="BC87EAE22A64A42DFE4DFCDFFD1A0975" box="[388,652,834,859]" italics="true" pageId="23" pageNumber="24">Hippodonta angustata</emphasis>
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</taxonomicName>
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has so far only been observed from Lake Tanganyika, East Africa. In the
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<typeStatus id="514888522A64A42DFF2BFCF4FE8309AD" box="[226,277,873,899]" pageId="23" pageNumber="24">type</typeStatus>
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material it is very frequent.
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</paragraph>
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<paragraph id="8E4C36F02A64A42DFF0FFC12FEA30C4C" blockId="23.[151,1436,486,1634]" pageId="23" pageNumber="24">
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<emphasis id="BC87EAE22A64A42DFF0FFC12FEFA0987" bold="true" box="[198,364,911,937]" pageId="23" pageNumber="24">Observations</emphasis>
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:—With regard to valve outline, the appearance and pattern of the striae
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<taxonomicName id="49F34D732A64A42DFB36FC0DFA0D0987" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[1279,1435,912,938]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
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<emphasis id="BC87EAE22A64A42DFB36FC0DFA820987" box="[1279,1300,912,937]" italics="true" pageId="23" pageNumber="24">H</emphasis>
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||
.
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<emphasis id="BC87EAE22A64A42DFAE1FC0DFA0D0987" box="[1320,1435,912,937]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
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</taxonomicName>
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closely resembles
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<taxonomicName id="49F34D732A64A42DFEB8FC2AFE6609FE" box="[369,496,950,976]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittata">
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<emphasis id="BC87EAE22A64A42DFEB8FC2AFE1009FE" box="[369,390,951,976]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
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<emphasis id="BC87EAE22A64A42DFE5FFC2AFE6609FE" box="[406,496,951,976]" italics="true" pageId="23" pageNumber="24">avittata</emphasis>
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||
</taxonomicName>
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and
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<taxonomicName id="49F34D732A64A42DFDE2FC2AFD4709FE" box="[555,721,950,976]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittata">
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<emphasis id="BC87EAE22A64A42DFDE2FC2AFDD609FE" box="[555,576,951,976]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
. cf.
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<emphasis id="BC87EAE22A64A42DFDBEFC2AFD4709FE" box="[631,721,951,976]" italics="true" pageId="23" pageNumber="24">avittata</emphasis>
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</taxonomicName>
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in
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<bibRefCitation id="EA624B012A64A42DFD30FC2BFBD709FE" author="Lange-Bertalot, H. & Metzeltin, D. & Witkowski, A." box="[761,1089,950,976]" pageId="23" pageNumber="24" pagination="247 - 276" refId="ref27546" refString="Lange-Bertalot, H., Metzeltin, D. & Witkowski, A. (1996) Hippodonta gen. nov. Iconographia Diatomologica 4: 247 - 276." type="journal article" year="1996">
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||
Lange-Bertalot
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<emphasis id="BC87EAE22A64A42DFC7DFC2AFC6609FE" box="[948,1008,951,976]" italics="true" pageId="23" pageNumber="24">et al.</emphasis>
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||
(1996
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||
</bibRefCitation>
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||
: figs 1: 35–40). Nonetheless, the central area of both
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||
<taxonomicName id="49F34D732A64A42DFE64FC40FDBD09D8" box="[429,555,989,1015]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittata">
|
||
<emphasis id="BC87EAE22A64A42DFE64FC40FE5409D8" box="[429,450,989,1014]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFE1BFC40FDBD09D8" box="[466,555,989,1014]" italics="true" pageId="23" pageNumber="24">avittata</emphasis>
|
||
</taxonomicName>
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||
and
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||
<taxonomicName id="49F34D732A64A42DFDADFC40FC9109D8" box="[612,775,989,1015]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittata">
|
||
<emphasis id="BC87EAE22A64A42DFDADFC40FDEF09D8" box="[612,633,989,1014]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
. cf.
|
||
<emphasis id="BC87EAE22A64A42DFD67FC40FC9109D8" box="[686,775,989,1014]" italics="true" pageId="23" pageNumber="24">avittata</emphasis>
|
||
</taxonomicName>
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||
is not a fully developed fascia, whereas in
|
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<taxonomicName id="49F34D732A64A42DFACDFC40FA0D09D8" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[1284,1435,989,1015]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFACDFC40FA8F09D8" box="[1284,1305,989,1014]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFAE1FC40FA0D09D8" box="[1320,1435,989,1014]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
this is a consistent feature, making the distinction between
|
||
<taxonomicName id="49F34D732A64A42DFC9DFB99FC7A0E33" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[852,1004,1028,1054]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFC9DFB99FCFF0E33" box="[852,873,1028,1053]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFCB1FB99FC7A0E33" box="[888,1004,1028,1053]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
and the two in
|
||
<bibRefCitation id="EA624B012A64A42DFB6FFB99FF730E6A" author="Lange-Bertalot, H. & Metzeltin, D. & Witkowski, A." pageId="23" pageNumber="24" pagination="247 - 276" refId="ref27546" refString="Lange-Bertalot, H., Metzeltin, D. & Witkowski, A. (1996) Hippodonta gen. nov. Iconographia Diatomologica 4: 247 - 276." type="journal article" year="1996">
|
||
Lange-Bertalot
|
||
<emphasis id="BC87EAE22A64A42DFAA9FB99FA0A0E33" box="[1376,1436,1028,1053]" italics="true" pageId="23" pageNumber="24">et al.</emphasis>
|
||
(1996)
|
||
</bibRefCitation>
|
||
clear and straightforward. Furthermore, the lineolae in
|
||
<taxonomicName id="49F34D732A64A42DFCB3FBB7FB850E6D" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[890,1043,1066,1092]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFCB3FBB7FC190E6D" box="[890,911,1066,1091]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFC56FBB7FB850E6D" box="[927,1043,1066,1091]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
are quite densely spaced along a stria and never discernible in LM view, as compared to
|
||
<taxonomicName id="49F34D732A64A42DFCE7FBCCFC3B0E44" box="[814,941,1105,1131]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittata">
|
||
<emphasis id="BC87EAE22A64A42DFCE7FBCCFCD50E44" box="[814,835,1105,1130]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFC9AFBCCFC3B0E44" box="[851,941,1105,1130]" italics="true" pageId="23" pageNumber="24">avittata</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="49F34D732A64A42DFC21FBCCFB180E44" box="[1000,1166,1105,1131]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittata">
|
||
<emphasis id="BC87EAE22A64A42DFC21FBCCFC6B0E44" box="[1000,1021,1105,1130]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
. cf.
|
||
<emphasis id="BC87EAE22A64A42DFBFDFBCCFB180E44" box="[1076,1166,1105,1130]" italics="true" pageId="23" pageNumber="24">avittata</emphasis>
|
||
</taxonomicName>
|
||
where the lineolae are clearly distinguishable in LM view. Concerning the valve outline
|
||
<taxonomicName id="49F34D732A64A42DFC75FBE5FBCF0EBF" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[956,1113,1144,1170]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFC75FBE5FC470EBF" box="[956,977,1144,1169]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFC2BFBE5FBCF0EBF" box="[994,1113,1144,1169]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
is somewhat similar to
|
||
<taxonomicName id="49F34D732A64A42DFAB6FBE5FEC40E96" authorityName="Lange-Bertalot" authorityYear="2001" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="pseudacceptata">
|
||
<emphasis id="BC87EAE22A64A42DFAB6FBE5FEC40E96" italics="true" pageId="23" pageNumber="24">H. pseudacceptata</emphasis>
|
||
</taxonomicName>
|
||
. Still, the latter taxon has quite small and rectangular-shaped central area compared to the consistently fully developed fascia of
|
||
<taxonomicName id="49F34D732A64A42DFD96FB58FD6F0EF0" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[607,761,1221,1247]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFD96FB58FDE20EF0" box="[607,628,1221,1246]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFD4DFB58FD6F0EF0" box="[644,761,1221,1246]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
. In addition, the striae of
|
||
<taxonomicName id="49F34D732A64A42DFBFAFB58FA870EF0" authorityName="Lange-Bertalot" authorityYear="2001" box="[1075,1297,1221,1247]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="pseudacceptata">
|
||
<emphasis id="BC87EAE22A64A42DFBFAFB58FBDE0EF0" box="[1075,1096,1221,1246]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFB91FB58FA870EF0" box="[1112,1297,1221,1246]" italics="true" pageId="23" pageNumber="24">pseudacceptata</emphasis>
|
||
</taxonomicName>
|
||
are weakly radiate at the middle or parallel throughout the valve length, whereas the striae of
|
||
<taxonomicName id="49F34D732A64A42DFB99FB71FB700F2B" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[1104,1254,1260,1286]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFB99FB71FBF30F2B" box="[1104,1125,1260,1285]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFBBAFB71FB700F2B" box="[1139,1254,1260,1285]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
are moderately to strongly radiate at the middle and more coarse. With regard to the valve outline and the shape of the central area,
|
||
<taxonomicName id="49F34D732A64A42DFF15FAA4FEEB0F7C" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[220,381,1337,1363]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFF15FAA4FF670F7C" box="[220,241,1337,1362]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFECAFAA4FEEB0F7C" box="[259,381,1337,1362]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
resembles
|
||
<taxonomicName id="49F34D732A64A42DFDC5FAA4FD420F7C" authorityName="Metzeltin, Lange-Bert. & Garcia-Rodriguez" authorityYear="2005" box="[524,724,1337,1363]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="subrhombica">
|
||
<emphasis id="BC87EAE22A64A42DFDC5FAA4FDB70F7C" box="[524,545,1337,1362]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFDFAFAA4FD420F7C" box="[563,724,1337,1362]" italics="true" pageId="23" pageNumber="24">subrhombica</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EA624B012A64A42DFD2CFAA4FC650F7D" author="Metzeltin, D. & Lange-Bertalot, H. & Garcia-Rodriguez, F." box="[741,1011,1337,1363]" pageId="23" pageNumber="24" pagination="1 - 736" refId="ref27945" refString="Metzeltin, D., Lange-Bertalot, H. & Garcia-Rodriguez, F. (2005) Diatoms of Uruguay. Compared with other taxa from South America and elsewhere. Iconographia Diatomologica 15: 1 - 736." type="journal article" year="2005">
|
||
Metzeltin
|
||
<emphasis id="BC87EAE22A64A42DFCAEFAA4FC310F7C" box="[871,935,1337,1362]" italics="true" pageId="23" pageNumber="24">et al.</emphasis>
|
||
2005
|
||
</bibRefCitation>
|
||
: figs 59: 31–36) described from a freshwater habitat near La Pedrera in
|
||
<collectingCountry id="F6E476602A64A42DFDACFAFDFD460F54" box="[613,720,1376,1402]" name="Uruguay" pageId="23" pageNumber="24">Uruguay</collectingCountry>
|
||
. Nevertheless, the latter taxon has clearly finer striae, also having less radiate or nearly parallel pattern at the middle. Additionally, the valve ends of
|
||
<taxonomicName id="49F34D732A64A42DFB7CFA1AFAE60F8E" authorityName="Metzeltin, Lange-Bert. & Garcia-Rodriguez" authorityYear="2005" box="[1205,1392,1414,1440]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="subrhombica">
|
||
<emphasis id="BC87EAE22A64A42DFB7CFA1AFB5C0F8E" box="[1205,1226,1415,1440]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFB11FA1AFAE60F8E" box="[1240,1392,1415,1440]" italics="true" pageId="23" pageNumber="24">subrhombica</emphasis>
|
||
</taxonomicName>
|
||
are broadly rounded and never cuneate, compared to the moderately rounded or broadly cuneate valve ends in
|
||
<taxonomicName id="49F34D732A64A42DFAB6FA30FE870FC3" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFAB6FA30FA020FE8" box="[1407,1428,1453,1478]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFF5EFA49FE870FC3" box="[151,273,1492,1517]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="49F34D732A64A42DFEEBFA49FDAF0FC3" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[290,569,1492,1517]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFEEBFA49FDAF0FC3" box="[290,569,1492,1517]" italics="true" pageId="23" pageNumber="24">Hippodonta angustata</emphasis>
|
||
</taxonomicName>
|
||
is also similar to
|
||
<taxonomicName id="49F34D732A64A42DFCD5FA49FC7A0FC3" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[796,1004,1492,1518]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittatiformis">
|
||
<emphasis id="BC87EAE22A64A42DFCD5FA49FCA70FC3" box="[796,817,1492,1517]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFC8DFA49FC7A0FC3" box="[836,1004,1492,1517]" italics="true" pageId="23" pageNumber="24">avittatiformis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="16C82A752A64A42DFC37FA49FB3D0FC0" box="[1022,1195,1492,1518]" captionStart="FIGURES 308–364" captionStartId="47.[151,269,1730,1754]" captionTargetBox="[289,1301,194,1706]" captionTargetId="figure-72@47.[264,1323,194,1706]" captionTargetPageId="47" captionText="FIGURES 308–364: LM micrographs. Figs 308–328. Hippodonta avittatiformis (type material). Figs 327, 328. Images of complete frustules in girdle view. Figs 329–342. Hippodonta angustata (type material). Figs 343–349. Hippodonta cocquytiae (type material). Figs 350–353. Hippodonta conspicua (type material). Figs 354–364. Hippodonta minuta (type material). Fig. 354. Complete frustule in girdle view. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5072000" httpUri="https://zenodo.org/record/5072000/files/figure.png" pageId="23" pageNumber="24">Figs 308–328</figureCitation>
|
||
) in regard to striae appearance, pattern and density. However, the valve ends in
|
||
<taxonomicName id="49F34D732A64A42DFC5FFA66FBF30C3A" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[918,1125,1530,1556]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="avittatiformis">
|
||
<emphasis id="BC87EAE22A64A42DFC5FFA66FC3C0C3A" box="[918,938,1531,1556]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFC75FA66FBF30C3A" box="[956,1125,1531,1556]" italics="true" pageId="23" pageNumber="24">avittatiformis</emphasis>
|
||
</taxonomicName>
|
||
are consistently broadly protracted, as well as more broadly rounded compared to the unprotracted and broadly cuneate valve ends of
|
||
<taxonomicName id="49F34D732A64A42DFF5EF9D5FEB90C4F" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[151,303,1608,1634]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="23" pageNumber="24" phylum="Bacillariophyta" rank="species" species="angustata">
|
||
<emphasis id="BC87EAE22A64A42DFF5EF9D5FF3A0C4F" box="[151,172,1608,1633]" italics="true" pageId="23" pageNumber="24">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A64A42DFF72F9D5FEB90C4F" box="[187,303,1608,1633]" italics="true" pageId="23" pageNumber="24">angustata</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |