191 lines
22 KiB
XML
191 lines
22 KiB
XML
<document id="DC7DD54CE9172BEAD6AD4C1BC78FED53" 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="065A87E62A61A428FF5EFEB3FBC80F46" 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 exigua A. Pavlov, Levkov, D. M. Williams & Edlund 2013, sp. nov." docType="treatment" docVersion="4" lastPageNumber="19" masterDocId="FA63FF9E2A73A43AFFC9FF9DFF960A2E" masterDocTitle="Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes" masterLastPageNumber="53" masterPageNumber="1" pageNumber="19" updateTime="1698991198074" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="0CAAC810B1C2AC3B066F3EDC7CF87F7C">Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes</mods:title>
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<mods:namePart id="F8913462175CF5EBA2CCDF37AE71A67B">Pavlov, Aleksandar</mods:namePart>
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<mods:namePart id="9E0188B8EDD8E018D8CD249737CA3ADE">Levkov, Zlatko</mods:namePart>
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<mods:namePart id="54CC0BB63A58A9B282B9EC7D23873FD0">Williams, David M.</mods:namePart>
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<mods:namePart id="87DCC0E46AC7A0E4DFB40CF50E8F93C3">Edlund, Mark B.</mods:namePart>
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<mods:affiliation id="7D692E5747E1AAF6F0CEC58FAA47C915">St. Croix Watershed Research Station, Science Museum of Minnesota, Marine on St. Croix, Minnesota, USA.</mods:affiliation>
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<mods:title id="5076ACCA13F5455F48F949E9A5DD4DAA">Phytotaxa</mods:title>
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<mods:date id="2F3949F5AFF2CDE37CD892322C502D5A">2013</mods:date>
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<mods:number id="2D45B63C028D96E46E45E04CD0732BD8">2013-03-28</mods:number>
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<mods:number id="58CBEF40F527B6778D249645E0A8CFE2">90</mods:number>
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<treatment id="065A87E62A61A428FF5EFEB3FBC80F46" ID-DOI="http://doi.org/10.5281/zenodo.5074106" ID-Zenodo-Dep="5074106" LSID="urn:lsid:plazi:treatment:065A87E62A61A428FF5EFEB3FBC80F46" httpUri="http://treatment.plazi.org/id/065A87E62A61A428FF5EFEB3FBC80F46" lastPageNumber="19" pageId="18" pageNumber="19">
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<subSubSection id="C6E9657B2A61A428FF5EFEB3FB700B66" box="[151,1254,302,328]" pageId="18" pageNumber="19" type="nomenclature">
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<paragraph id="8E4C36F02A61A428FF5EFEB3FB700B66" blockId="18.[151,1254,302,328]" box="[151,1254,302,328]" pageId="18" pageNumber="19">
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<heading id="D504819C2A61A428FF5EFEB3FB700B66" box="[151,1254,302,328]" fontSize="11" level="2" pageId="18" pageNumber="19" reason="3">
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<taxonomicName id="49F34D732A61A428FF5EFEB3FC070B66" authority="A. Pavlov, Levkov, D.M. Williams & Edlund" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[151,913,302,328]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="exigua" status="sp. nov.">
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<emphasis id="BC87EAE22A61A428FF5EFEB3FEED0B66" bold="true" box="[151,379,302,328]" italics="true" pageId="18" pageNumber="19">Hippodonta exigua</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="BC87EAE22A61A428FC55FEB2FC630B66" box="[924,1013,303,328]" italics="true" pageId="18" pageNumber="19">
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<taxonomicNameLabel id="A7B457992A61A428FC55FEB2FC630B66" box="[924,1013,303,328]" pageId="18" pageNumber="19" rank="species">sp. nov.</taxonomicNameLabel>
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||
</emphasis>
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||
(
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<figureCitation id="16C82A752A61A428FBCDFEB3FB330B66" box="[1028,1189,302,328]" captionStart="FIGURES 166–218" captionStartId="42.[151,276,1730,1754]" captionTargetBox="[264,1323,194,1706]" captionTargetId="figure-57@42.[264,1323,194,1706]" captionTargetPageId="42" captionText="FIGURES 166–218: LM micrographs. Figs 166–179. Hippodonta subrostrata (type material). Figs 180–191. Hippodonta rostratoides (type material). Figs 192–200. Hippodonta affinis (type material). Figs 201–212. Hippodonta exigua (type material). Figs 213–218. Hippodonta humboldtiana (type material). Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5071990" httpUri="https://zenodo.org/record/5071990/files/figure.png" pageId="18" pageNumber="19">Figs 201–212</figureCitation>
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,
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<figureCitation id="16C82A752A61A428FB78FEB3FB480B66" box="[1201,1246,302,328]" captionStart="FIGURES 219–225" captionStartId="43.[151,270,1542,1566]" captionTargetBox="[264,1323,194,1518]" captionTargetId="figure-187@43.[264,1323,194,1518]" captionTargetPageId="43" captionText="FIGURES 219–225: SEM micrographs. Figs 219–222. Hippodonta abunda (type material). Fig. 219. External view of entire valve. Terminal pores of raphe are simple linear depressions. Fig. 220. External view of complete frustule showing broad, unornamented girdle. Fig. 221. Internal view of entire valve. Striae positioned in shallow depressions, helictoglossae in line with raphe slits. Fig. 222. Close-up of one half of valve, internal view. Lineolae covered by quite prominent elliptical volae. Fig. 223. Hippodonta rostratoides (type material). External view of entire valve. Lineolae quite prominent. Terminal pores of raphe slightly deflected towards one valve side. Fig. 224. Hippodonta affinis (type material). External view of entire valve. Lineolae narrow but long. Terminal pores of raphe simple linear. Fig. 225. Hippodonta exigua (type material). External view of entire valve. Lineolae weakly pronounced, short. Terminal pores of raphe slightly deflected towards one valve side. Scale bars in Figs 219, 223, 224 = 5 µm; Fig. 220 = 2 µm; Fig. 221 = 6 µm; Fig. 222 = 3 µm; Fig. 225 = 4 µm." figureDoi="http://doi.org/10.5281/zenodo.5071992" httpUri="https://zenodo.org/record/5071992/files/figure.png" pageId="18" pageNumber="19">225</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="C6E9657B2A61A428FF5EFEE9FE8609C8" pageId="18" pageNumber="19" type="materials_examined">
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<paragraph id="8E4C36F02A61A428FF5EFEE9FBD00B82" blockId="18.[151,1436,372,428]" pageId="18" pageNumber="19">
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<emphasis id="BC87EAE22A61A428FF5EFEE9FF590BA2" bold="true" box="[151,207,372,396]" pageId="18" pageNumber="19">Type</emphasis>
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:—
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<materialsCitation id="3E9B3CAD2A61A428FF24FEE8FBD40B82" collectingDate="2002-06-28" collectorName="Z. Levkov. & Accession No." country="Macedonia" location="Lake Prespa" municipality="Bay of Stenje" pageId="18" pageNumber="19" specimenCount="1" typeStatus="holotype">
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<collectingCountry id="F6E476602A61A428FF24FEE8FE000BA2" box="[237,406,373,396]" name="Macedonia" pageId="18" pageNumber="19">MACEDONIA</collectingCountry>
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.
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<location id="8B2C602B2A61A428FE69FEE8FDB00BA2" LSID="urn:lsid:plazi:treatment:065A87E62A61A428FF5EFEB3FBC80F46:8B2C602B2A61A428FE69FEE8FDB00BA2" box="[416,550,373,396]" country="Macedonia" municipality="Bay of Stenje" name="Lake Prespa" pageId="18" pageNumber="19">Lake Prespa</location>
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,
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<collectingMunicipality id="6E28AC8A2A61A428FDF9FEE8FD540BA2" box="[560,706,373,396]" pageId="18" pageNumber="19">Bay of Stenje</collectingMunicipality>
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, littoral sediment,
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<date id="FA4D10302A61A428FC4EFEE8FB810BA2" box="[903,1047,373,396]" pageId="18" pageNumber="19" value="2002-06-28">
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<collectingDate id="EA09E9D82A61A428FC4EFEE8FB810BA2" box="[903,1047,373,396]" pageId="18" pageNumber="19" value="2002-06-28">28 June 2002</collectingDate>
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</date>
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, collector
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<collectorName id="230653262A61A428FB4CFEE8FB640BA2" box="[1157,1266,373,396]" pageId="18" pageNumber="19">
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<emphasis id="BC87EAE22A61A428FB4CFEE8FB7D0BA2" box="[1157,1259,373,396]" italics="true" pageId="18" pageNumber="19">Z. Levkov</emphasis>
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.
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</collectorName>
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(
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<collectorName id="230653262A61A428FB36FEE8FA0A0BA2" box="[1279,1436,373,396]" pageId="18" pageNumber="19">Accession No.</collectorName>
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MKNDC 000142;
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<typeStatus id="514888522A61A428FE46FE08FE670B82" box="[399,497,405,428]" pageId="18" pageNumber="19" type="holotype">holotype</typeStatus>
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: slide MKNDC! 000142/1; isotype: slide BM! 101642)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8E4C36F02A61A428FF5EFE48FC67090A" blockId="18.[151,1436,469,1384]" pageId="18" pageNumber="19">
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Valves strictly lanceolate, with narrow and long protracted and broadly rounded valve ends. Valve length 14.5–19.0 µm, width 4.0–
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<quantity id="490B9B152A61A428FE1BFE61FDBA0838" box="[466,556,508,534]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="18" pageNumber="19" unit="mm" value="4.5">4.5 µm</quantity>
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. Axial area narrow-linear throughout, expanding into a transverse small, irregularly shaped central area. Usually, central area defined by shortening of one central stria, from both valve sides. Terminal area clearly discernible in LM, small, semi-circular in shape. Raphe linear-filiform, with weakly pronounced, small teardrop-shaped central pores. Central pores closely spaced. Terminal pores of raphe discernible in LM, as round-shaped. Striae fine, moderately to strongly radiate at middle, becoming parallel towards valve ends,
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<quantity id="490B9B152A61A428FE20FD20FDB008F9" box="[489,550,701,727]" metricMagnitude="-1" metricUnit="m" metricValue="3.556" pageId="18" pageNumber="19" unit="in" value="14.0">14 in</quantity>
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<quantity id="490B9B152A61A428FDE7FD20FDE808F9" box="[558,638,701,727]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="19" unit="mm" value="10.0">10 µm</quantity>
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. Interstriae of equal or higher width than striae, evenly pronounced throughout valve length. In longer valves, interstriae more pronounced than striae. Lineolae composing striae quite densely spaced within a stria and not clearly distinguishable in LM.
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</paragraph>
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<paragraph id="8E4C36F02A61A428FF0FFCACFE8609C8" blockId="18.[151,1436,469,1384]" pageId="18" pageNumber="19">
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SEM: Externally, valve face flat (
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<figureCitation id="16C82A752A61A428FD92FCACFD520965" box="[603,708,817,843]" captionStart="FIGURES 219–225" captionStartId="43.[151,270,1542,1566]" captionTargetBox="[264,1323,194,1518]" captionTargetId="figure-187@43.[264,1323,194,1518]" captionTargetPageId="43" captionText="FIGURES 219–225: SEM micrographs. Figs 219–222. Hippodonta abunda (type material). Fig. 219. External view of entire valve. Terminal pores of raphe are simple linear depressions. Fig. 220. External view of complete frustule showing broad, unornamented girdle. Fig. 221. Internal view of entire valve. Striae positioned in shallow depressions, helictoglossae in line with raphe slits. Fig. 222. Close-up of one half of valve, internal view. Lineolae covered by quite prominent elliptical volae. Fig. 223. Hippodonta rostratoides (type material). External view of entire valve. Lineolae quite prominent. Terminal pores of raphe slightly deflected towards one valve side. Fig. 224. Hippodonta affinis (type material). External view of entire valve. Lineolae narrow but long. Terminal pores of raphe simple linear. Fig. 225. Hippodonta exigua (type material). External view of entire valve. Lineolae weakly pronounced, short. Terminal pores of raphe slightly deflected towards one valve side. Scale bars in Figs 219, 223, 224 = 5 µm; Fig. 220 = 2 µm; Fig. 221 = 6 µm; Fig. 222 = 3 µm; Fig. 225 = 4 µm." figureDoi="http://doi.org/10.5281/zenodo.5071992" httpUri="https://zenodo.org/record/5071992/files/figure.png" pageId="18" pageNumber="19">Fig. 225</figureCitation>
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). Terminal area expanding weakly onto valve face. Terminal pores of raphe simple teardrop-shaped and weakly pronounced, slightly advancing into the terminal area. Terminal pores of raphe slightly deflected towards one valve side. Striae uniseriate. Lineolae simple linear, moderately pronounced and short, c.
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<quantity id="490B9B152A61A428FD9EFC38FD020991" box="[599,660,933,959]" metricMagnitude="0" metricUnit="m" metricValue="1.016" pageId="18" pageNumber="19" unit="in" value="40.0">40 in</quantity>
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<quantity id="490B9B152A61A428FD55FC38FD790991" box="[668,751,933,959]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="19" unit="mm" value="10.0">10 µm</quantity>
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. Rows of lineolae positioned on apical valve mantle also uniseriate.
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</paragraph>
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</subSubSection>
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<subSubSection id="C6E9657B2A61A428FF0FFC6FFBC80F46" pageId="18" pageNumber="19" type="distribution">
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<paragraph id="8E4C36F02A61A428FF0FFC6FFD470E1D" blockId="18.[151,1436,469,1384]" pageId="18" pageNumber="19">
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<emphasis id="BC87EAE22A61A428FF0FFC6FFEC90E22" bold="true" box="[198,351,1010,1036]" pageId="18" pageNumber="19">Distribution</emphasis>
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:—
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<taxonomicName id="49F34D732A61A428FE4DFC6FFDF00E25" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[388,614,1010,1035]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="exigua">
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<emphasis id="BC87EAE22A61A428FE4DFC6FFDF00E25" box="[388,614,1010,1035]" italics="true" pageId="18" pageNumber="19">Hippodonta exigua</emphasis>
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</taxonomicName>
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has so far only been observed from Lake Prespa,
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<collectingCountry id="F6E476602A61A428FB65FC6FFAA70E22" box="[1196,1329,1010,1036]" name="Macedonia" pageId="18" pageNumber="19">Macedonia</collectingCountry>
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, where it occurs on organic sediment from various depths.
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</paragraph>
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<paragraph id="8E4C36F02A61A428FF0FFBA2FBC80F46" blockId="18.[151,1436,469,1384]" pageId="18" pageNumber="19">
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<emphasis id="BC87EAE22A61A428FF0FFBA2FEFA0E77" bold="true" box="[198,364,1087,1113]" pageId="18" pageNumber="19">Observations</emphasis>
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||
:—A specimen depicted in
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<bibRefCitation id="EA624B012A61A428FD64FBDDFC390E74" author="Lange-Bertalot, H." box="[685,943,1088,1114]" pageId="18" pageNumber="19" pagination="1 - 526" refId="ref27516" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto. 10 genera separated from Navicula sensu lato. Frustulia. Diatoms of Europe 2: 1 - 526." type="journal article" year="2001">Lange-Bertalot (2001</bibRefCitation>
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||
: fig. 79: 6) named as “
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<taxonomicName id="49F34D732A61A428FB70FBDDFA1A0E74" box="[1209,1420,1088,1114]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="undetermined">
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<emphasis id="BC87EAE22A61A428FB70FBDDFAD30E77" box="[1209,1349,1088,1113]" italics="true" pageId="18" pageNumber="19">Hippodonta</emphasis>
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spec.
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</taxonomicName>
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”, from Lake Baikal, is quite similar to
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<taxonomicName id="49F34D732A61A428FD95FBFAFD440EAE" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[604,722,1126,1152]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="exigua">
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||
<emphasis id="BC87EAE22A61A428FD95FBFAFDE70EAE" box="[604,625,1127,1152]" italics="true" pageId="18" pageNumber="19">H</emphasis>
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||
.
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<emphasis id="BC87EAE22A61A428FD4BFBFAFD440EAE" box="[642,722,1127,1152]" italics="true" pageId="18" pageNumber="19">exigua</emphasis>
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</taxonomicName>
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with respect to valve outline and appearance of the striae. However,
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<taxonomicName id="49F34D732A61A428FED9FB10FE150E88" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[272,387,1165,1191]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="exigua">
|
||
<emphasis id="BC87EAE22A61A428FED9FB10FEB30E88" box="[272,293,1165,1190]" italics="true" pageId="18" pageNumber="19">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A61A428FEFCFB10FE150E88" box="[309,387,1165,1190]" italics="true" pageId="18" pageNumber="19">exigua</emphasis>
|
||
</taxonomicName>
|
||
has slightly more densely spaced striae (
|
||
<quantity id="490B9B152A61A428FCA0FB10FC300E89" box="[873,934,1165,1191]" metricMagnitude="-1" metricUnit="m" metricValue="3.556" pageId="18" pageNumber="19" unit="in" value="14.0">14 in</quantity>
|
||
<quantity id="490B9B152A61A428FC67FB10FC6D0E89" box="[942,1019,1165,1191]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="19" unit="mm" value="10.0">10 µm</quantity>
|
||
compared to 10 striae in
|
||
<quantity id="490B9B152A61A428FAE0FB10FAE10E89" box="[1321,1399,1165,1191]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="19" unit="mm" value="10.0">10 µm</quantity>
|
||
on the specimen from Lake Baikal) as well as somewhat more broadly protracted valve ends. In addition, and concerning the valve outline,
|
||
<taxonomicName id="49F34D732A61A428FDCBFB46FDEE0EDA" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[514,632,1242,1268]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="exigua">
|
||
<emphasis id="BC87EAE22A61A428FDCBFB46FD810EDA" box="[514,535,1243,1268]" italics="true" pageId="18" pageNumber="19">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A61A428FDE1FB46FDEE0EDA" box="[552,632,1243,1268]" italics="true" pageId="18" pageNumber="19">exigua</emphasis>
|
||
</taxonomicName>
|
||
is also similar to
|
||
<taxonomicName id="49F34D732A61A428FC9CFB46FBF20EDA" authority="Lange-Bert." authorityName="Lange-Bert." box="[853,1124,1242,1268]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="coxiae">
|
||
<emphasis id="BC87EAE22A61A428FC9CFB46FCFC0EDA" box="[853,874,1243,1268]" italics="true" pageId="18" pageNumber="19">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A61A428FCB2FB46FC5C0EDA" box="[891,970,1243,1268]" italics="true" pageId="18" pageNumber="19">coxiae</emphasis>
|
||
Lange-Bert.
|
||
</taxonomicName>
|
||
(2001: 221, 222, figs 76: 29–33), but the latter species has shorter protracted, broadly rostrate and broadly rounded valve ends, when compared to the narrow and long protracted valve ends in
|
||
<taxonomicName id="49F34D732A61A428FC94FAB5FC450F6F" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[861,979,1320,1346]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="exigua">
|
||
<emphasis id="BC87EAE22A61A428FC94FAB5FCE40F6F" box="[861,882,1320,1345]" italics="true" pageId="18" pageNumber="19">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A61A428FC4AFAB5FC450F6F" box="[899,979,1320,1345]" italics="true" pageId="18" pageNumber="19">exigua</emphasis>
|
||
</taxonomicName>
|
||
. Furthermore, the terminal area of
|
||
<taxonomicName id="49F34D732A61A428FAB6FAB5FF720F46" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="18" pageNumber="19" phylum="Bacillariophyta" rank="species" species="coxiae">
|
||
<emphasis id="BC87EAE22A61A428FAB6FAB5FA020F6F" box="[1407,1428,1320,1345]" italics="true" pageId="18" pageNumber="19">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A61A428FF5EFAD2FF720F46" box="[151,228,1359,1384]" italics="true" pageId="18" pageNumber="19">coxiae</emphasis>
|
||
</taxonomicName>
|
||
is more strongly pronounced and the lineolae are clearly discernible in LM.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |