191 lines
20 KiB
XML
191 lines
20 KiB
XML
<document id="57989AE91BF95FBA204F00C93C377E15" 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="065A87E62A66A42FFF5EFD2CFBA50C3E" 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 crassa A. Pavlov, Levkov, D. M. Williams & Edlund 2013, sp. nov." docType="treatment" docVersion="4" lastPageNumber="22" masterDocId="FA63FF9E2A73A43AFFC9FF9DFF960A2E" masterDocTitle="Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes" masterLastPageNumber="53" masterPageNumber="1" pageNumber="22" updateTime="1698991198074" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:mods id="5364EB45B79D5DED1C37D85BF558CDDB" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="83F54AE59FE0F5328357D4BF2F77950B">
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<mods:title id="C29DF4F5A0CA14C8545408E36D6C4B5D">Observations on Hippodonta (Bacillariophyceae) in selected ancient lakes</mods:title>
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<mods:name id="F732ECCD7FFE84ECB629C364223D8E4A" type="personal">
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<mods:roleTerm id="3FF6157AD426CED1F8F1D2D60C18BF35">Author</mods:roleTerm>
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<mods:namePart id="994BB9F7937FA84F365DB5B740220954">Pavlov, Aleksandar</mods:namePart>
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</mods:role>
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<mods:namePart id="62BD24106AA6CEDB93B6CC4D3E28C097">Levkov, Zlatko</mods:namePart>
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</mods:name>
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<mods:name id="833C67960E9EB3AC535BCAAE66378F55" type="personal">
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<mods:namePart id="3059375866796D2AB0CC8B67D61B2579">Williams, David M.</mods:namePart>
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<mods:namePart id="A0C08E077CB18B23D3FC83B50A1A4F2F">Edlund, Mark B.</mods:namePart>
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<mods:affiliation id="6F770CF1EA17E7EFE16F1A9F2D45E6DA">St. Croix Watershed Research Station, Science Museum of Minnesota, Marine on St. Croix, Minnesota, USA.</mods:affiliation>
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<mods:title id="9CFCEB7144848F01E1864BE6DAD5E171">Phytotaxa</mods:title>
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<mods:part id="A0CD005094C5BD824EC4F4525A9AAA55">
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<mods:date id="437393081E0A488E3D1AD026E59B6F00">2013</mods:date>
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<mods:number id="F839A46D2CBB2C26136F9911D9F85AF7">2013-03-28</mods:number>
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<mods:number id="8E2645A70E0E5D306F418CC802390CBD">90</mods:number>
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<mods:url id="A2410060E1BC8CCCF7A9BF7D36ADE9D6">http://dx.doi.org/10.11646/phytotaxa.90.1.1</mods:url>
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<mods:identifier id="280305D8FF3EC0841EE0A522ED7D6E79" type="ISSN">1179-3163</mods:identifier>
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<treatment id="065A87E62A66A42FFF5EFD2CFBA50C3E" ID-DOI="http://doi.org/10.5281/zenodo.5074114" ID-Zenodo-Dep="5074114" LSID="urn:lsid:plazi:treatment:065A87E62A66A42FFF5EFD2CFBA50C3E" httpUri="http://treatment.plazi.org/id/065A87E62A66A42FFF5EFD2CFBA50C3E" lastPageNumber="22" pageId="21" pageNumber="22">
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<subSubSection id="C6E9657B2A66A42FFF5EFD2CFB3E08E5" box="[151,1192,689,715]" pageId="21" pageNumber="22" type="nomenclature">
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<paragraph id="8E4C36F02A66A42FFF5EFD2CFB3E08E5" blockId="21.[151,1192,689,715]" box="[151,1192,689,715]" pageId="21" pageNumber="22">
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<heading id="D504819C2A66A42FFF5EFD2CFB3E08E5" box="[151,1192,689,715]" fontSize="11" level="2" pageId="21" pageNumber="22" reason="3">
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<taxonomicName id="49F34D732A66A42FFF5EFD2CFC1A08E5" authority="A. Pavlov, Levkov, D.M. Williams & Edlund" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[151,908,689,715]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="species" species="crassa" status="sp. nov.">
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<emphasis id="BC87EAE22A66A42FFF5EFD2CFEE008E5" bold="true" box="[151,374,689,715]" italics="true" pageId="21" pageNumber="22">Hippodonta crassa</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="BC87EAE22A66A42FFC51FD2CFC6708E4" box="[920,1009,689,714]" italics="true" pageId="21" pageNumber="22">
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<taxonomicNameLabel id="A7B457992A66A42FFC51FD2CFC6708E4" box="[920,1009,689,714]" pageId="21" pageNumber="22" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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||
(
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<figureCitation id="16C82A752A66A42FFC36FD2CFB3608E5" box="[1023,1184,689,715]" captionStart="FIGURES 276–307" captionStartId="46.[151,269,1730,1754]" captionTargetBox="[264,1323,194,1669]" captionTargetId="figure-53@46.[264,1323,194,1706]" captionTargetPageId="46" captionText="FIGURES 276–307: LM micrographs. Figs 276–290. Hippodonta crassa (type material). Fig. 290. Complete frustule in girdle view. Figs 291–307. Hippodonta radiata (type material). Fig. 307. Complete frustule in girdle view. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5071998" httpUri="https://zenodo.org/record/5071998/files/figure.png" pageId="21" pageNumber="22">Figs 276–290</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="C6E9657B2A66A42FFF5EFD63FE620EF5" pageId="21" pageNumber="22" type="materials_examined">
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<paragraph id="8E4C36F02A66A42FFF5EFD63FB7C091B" blockId="21.[151,1436,766,821]" pageId="21" pageNumber="22">
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<emphasis id="BC87EAE22A66A42FFF5EFD63FF590938" bold="true" box="[151,207,766,790]" pageId="21" pageNumber="22">Type</emphasis>
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:—
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<materialsCitation id="3E9B3CAD2A66A42FFF24FD63FB70091B" collectingDate="1953-02-04" collectorName="R. Ross." country="Tanzania" elevation="8" location="Lake Tanganyika" pageId="21" pageNumber="22" specimenCount="1" typeStatus="holotype">
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<collectingCountry id="F6E476602A66A42FFF24FD63FEED093B" box="[237,379,766,789]" name="Tanzania" pageId="21" pageNumber="22">TANZANIA</collectingCountry>
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.
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<location id="8B2C602B2A66A42FFE4CFD63FDD6093B" LSID="urn:lsid:plazi:treatment:065A87E62A66A42FFF5EFD2CFBA50C3E:8B2C602B2A66A42FFE4CFD63FDD6093B" box="[389,576,766,789]" country="Tanzania" name="Lake Tanganyika" pageId="21" pageNumber="22">Lake Tanganyika</location>
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, tangled in trawl from
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<elevation id="05DED1C32A66A42FFCFCFD63FC35093B" box="[821,931,766,789]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="21" pageNumber="22" unit="m" value="8.0">
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<quantity id="490B9B152A66A42FFCFCFD63FCC8093B" box="[821,862,766,789]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="21" pageNumber="22" 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="9FFE2FD22A66A42FFB97FD63FA15093B" box="[1118,1411,766,789]" firstLocation="Kjiyi" pageId="21" pageNumber="22" secondLocation="Bangwe">between Kjiyi and Bangwe</locationDeviation>
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,
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<date id="FA4D10302A66A42FFA47FD63FEF3091B" pageId="21" pageNumber="22" value="1953-02-04">
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<collectingDate id="EA09E9D82A66A42FFA47FD63FEF3091B" pageId="21" pageNumber="22" value="1953-02-04">4 February 1953</collectingDate>
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</date>
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, collector
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<collectorName id="230653262A66A42FFE1DFC83FDBD091B" box="[468,555,798,821]" pageId="21" pageNumber="22">
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<emphasis id="BC87EAE22A66A42FFE1DFC83FDB2091B" box="[468,548,798,821]" italics="true" pageId="21" pageNumber="22">R. Ross</emphasis>
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.
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</collectorName>
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(
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<typeStatus id="514888522A66A42FFDF0FC83FD0A091B" box="[569,668,798,821]" pageId="21" pageNumber="22" 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="8E4C36F02A66A42FFF5EFCF8FE620EF5" blockId="21.[151,1436,869,1552]" pageId="21" pageNumber="22">
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Frustules rectangular in girdle view, somewhat constricted in the middle. Valves broadly lanceolate, to rhombic-lanceolate, with not protracted but broadly cuneate valve ends. Valve length
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<quantity id="490B9B152A66A42FFB69FC11FADC0988" box="[1184,1354,908,934]" metricMagnitude="-2" metricUnit="m" metricValue="2.9" metricValueMax="3.35" metricValueMin="2.45" pageId="21" pageNumber="22" unit="mm" value="29.0" valueMax="33.5" valueMin="24.5">24.5–33.5 µm</quantity>
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, width
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<quantity id="490B9B152A66A42FFF5EFC2FFEB409E2" box="[151,290,946,972]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="9.5" metricValueMin="7.5" pageId="21" pageNumber="22" unit="mm" value="8.5" valueMax="9.5" valueMin="7.5">7.5–9.5 µm</quantity>
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. Axial area linear, narrow, expanding into a large, panduriform central area. Central area forming well-defined fascia, expanding to the valve margins. Terminal area clearly distinguishable, moderately large, triangular in shape. Raphe linear, weakly lateral, with weakly pronounced, simple linear or small dot-like central pores. Central pores distantly spaced. Terminal pores of raphe barely discernible with LM, weakly pronounced, simple linear and abruptly terminated. Striae coarse, moderately to strongly radiate at the middle, becoming moderately to strongly convergent near valve ends. Striae evenly spaced throughout,
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<quantity id="490B9B152A66A42FFB3FFBE9FAD70EA0" box="[1270,1345,1140,1166]" metricMagnitude="-1" metricUnit="m" metricValue="1.651" metricValueMax="1.778" metricValueMin="1.524" pageId="21" pageNumber="22" unit="in" value="6.5" valueMax="7.0" valueMin="6.0">6–7 in</quantity>
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<quantity id="490B9B152A66A42FFA81FBE9FA010EA0" box="[1352,1431,1140,1166]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="21" pageNumber="22" unit="mm" value="10.0">10 µm</quantity>
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. Interstriae quite narrower than the striae. Lineolae composing the striae quite densely spaced within a stria and not clearly discernible in LM.
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</paragraph>
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</subSubSection>
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<subSubSection id="C6E9657B2A66A42FFF0FFB7AFBA50C3E" pageId="21" pageNumber="22" type="distribution">
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<paragraph id="8E4C36F02A66A42FFF0FFB7AFDAC0F06" blockId="21.[151,1436,869,1552]" pageId="21" pageNumber="22">
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<emphasis id="BC87EAE22A66A42FFF0FFB7AFEC90F2F" bold="true" box="[198,351,1255,1281]" pageId="21" pageNumber="22">Distribution</emphasis>
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:—
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<taxonomicName id="49F34D732A66A42FFE4DFB75FDF30F2F" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[388,613,1256,1281]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="species" species="crassa">
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<emphasis id="BC87EAE22A66A42FFE4DFB75FDF30F2F" box="[388,613,1256,1281]" italics="true" pageId="21" pageNumber="22">Hippodonta crassa</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="514888522A66A42FFF0BFA93FF620F06" box="[194,244,1294,1320]" pageId="21" pageNumber="22">type</typeStatus>
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material it is very frequent.
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</paragraph>
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<paragraph id="8E4C36F02A66A42FFF0FFAA8FBA50C3E" blockId="21.[151,1436,869,1552]" pageId="21" pageNumber="22">
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<emphasis id="BC87EAE22A66A42FFF0FFAA8FEFA0F61" bold="true" box="[198,364,1333,1359]" pageId="21" pageNumber="22">Observations</emphasis>
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:—With regard to the valve outline, the appearance of the striae and the shape of the central area
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<taxonomicName id="49F34D732A66A42FFF18FAC1FED20F5B" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[209,324,1372,1398]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="species" species="crassa">
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<emphasis id="BC87EAE22A66A42FFF18FAC1FF700F5B" box="[209,230,1372,1397]" italics="true" pageId="21" pageNumber="22">H</emphasis>
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.
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<emphasis id="BC87EAE22A66A42FFF3FFAC1FED20F5B" box="[246,324,1372,1397]" italics="true" pageId="21" pageNumber="22">crassa</emphasis>
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</taxonomicName>
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is most similar to
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<taxonomicName id="49F34D732A66A42FFDEFFAC1FC780F5B" authority="var. costulatiformis" box="[550,1006,1372,1398]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="variety" species="costulatiformis" variety="costulatiformis">
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<emphasis id="BC87EAE22A66A42FFDEFFAC1FDAD0F5B" box="[550,571,1372,1397]" italics="true" pageId="21" pageNumber="22">H</emphasis>
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||
.
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<emphasis id="BC87EAE22A66A42FFD82FAC1FD680F5B" box="[587,766,1372,1397]" italics="true" pageId="21" pageNumber="22">costulatiformis</emphasis>
|
||
var.
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<emphasis id="BC87EAE22A66A42FFCF2FAC1FC780F5B" box="[827,1006,1372,1397]" italics="true" pageId="21" pageNumber="22">costulatiformis</emphasis>
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</taxonomicName>
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||
(
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||
<bibRefCitation id="EA624B012A66A42FFC36FAC1FAD50F58" author="Lange-Bertalot, H. & Metzeltin, D. & Witkowski, A." box="[1023,1347,1372,1398]" pageId="21" pageNumber="22" 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="BC87EAE22A66A42FFB77FAC1FB6D0F5B" box="[1214,1275,1372,1397]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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||
1996
|
||
</bibRefCitation>
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||
: figs 1: 27–29; this study
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<figureCitation id="16C82A752A66A42FFEBBFA1FFE6A0FB2" box="[370,508,1410,1436]" captionStart="FIGURES 27–63" captionStartId="37.[151,269,1738,1762]" captionTargetBox="[264,1323,194,1706]" captionTargetId="figure-52@37.[264,1323,194,1706]" captionTargetPageId="37" captionText="FIGURES 27–63: LM micrographs. Figs 27–44. Hippodonta latelanceolata (type material). Fig. 30. Complete frustule in girdle view. Figs 45–63. Hippodonta costulatiformis var. costulatiformis. Fig. 63. Complete frustule in girdle view. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5071980" httpUri="https://zenodo.org/record/5071980/files/figure.png" pageId="21" pageNumber="22">Figs 45–63</figureCitation>
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) and
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<taxonomicName id="49F34D732A66A42FFD8BFA1EFC7D0FB2" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[578,1003,1410,1436]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="variety" species="costulatiformis" variety="densistriata">
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<emphasis id="BC87EAE22A66A42FFD8BFA1EFDC10FB2" box="[578,599,1411,1436]" italics="true" pageId="21" pageNumber="22">H</emphasis>
|
||
.
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<emphasis id="BC87EAE22A66A42FFDAEFA1EFC8B0FB2" box="[615,797,1411,1436]" italics="true" pageId="21" pageNumber="22">costulatiformis</emphasis>
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||
var.
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<emphasis id="BC87EAE22A66A42FFC95FA1EFC7D0FB2" box="[860,1003,1411,1436]" italics="true" pageId="21" pageNumber="22">densistriata</emphasis>
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</taxonomicName>
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||
(
|
||
<figureCitation id="16C82A752A66A42FFC34FA1FFB1E0FB2" box="[1021,1160,1410,1436]" captionStart="FIGURES 69–95" captionStartId="39.[151,270,1125,1149]" captionTargetBox="[264,1323,194,1102]" captionTargetId="figure-49@39.[264,1323,194,1102]" captionTargetPageId="39" captionText="FIGURES 69–95: LM micrographs. Figs 69–83. Hippodonta costulatiformis var. densistriata (type material). Figs 82, 83. Images of complete frustule in girdle view. Figs 84–95. Hippodonta naviculiformis (type material). Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5071984" httpUri="https://zenodo.org/record/5071984/files/figure.png" pageId="21" pageNumber="22">Figs 69–83</figureCitation>
|
||
) from Lake Prespa. In comparison to the latter two taxa,
|
||
<taxonomicName id="49F34D732A66A42FFD88FA34FD210FEC" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" box="[577,695,1449,1475]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="species" species="crassa">
|
||
<emphasis id="BC87EAE22A66A42FFD88FA34FDC00FEC" box="[577,598,1449,1474]" italics="true" pageId="21" pageNumber="22">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A66A42FFDAEFA34FD210FEC" box="[615,695,1449,1474]" italics="true" pageId="21" pageNumber="22">crassa</emphasis>
|
||
</taxonomicName>
|
||
has broader and coarser striae, in addition to the consistent panduriform shape of the central area. The central areas of
|
||
<taxonomicName id="49F34D732A66A42FFCB9FA4DFAD40FC7" authority="var. costulatiformis" box="[880,1346,1488,1514]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="variety" species="costulatiformis" variety="costulatiformis">
|
||
<emphasis id="BC87EAE22A66A42FFCB9FA4DFC130FC7" box="[880,901,1488,1513]" italics="true" pageId="21" pageNumber="22">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A66A42FFC5CFA4DFBDA0FC7" box="[917,1100,1488,1513]" italics="true" pageId="21" pageNumber="22">costulatiformis</emphasis>
|
||
var.
|
||
<emphasis id="BC87EAE22A66A42FFB42FA4DFAD40FC7" box="[1163,1346,1488,1513]" italics="true" pageId="21" pageNumber="22">costulatiformis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="49F34D732A66A42FFAB6FA4DFD9C0C3E" authorityName="A. Pavlov, Levkov, D. M. Williams & Edlund" authorityYear="2013" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="21" pageNumber="22" phylum="Bacillariophyta" rank="variety" species="costulatiformis" variety="densistriata">
|
||
<emphasis id="BC87EAE22A66A42FFAB6FA4DFA020FC7" box="[1407,1428,1488,1513]" italics="true" pageId="21" pageNumber="22">H</emphasis>
|
||
.
|
||
<emphasis id="BC87EAE22A66A42FFF5EFA6AFED10C3E" box="[151,327,1527,1552]" italics="true" pageId="21" pageNumber="22">costulatiformis</emphasis>
|
||
var.
|
||
<emphasis id="BC87EAE22A66A42FFE49FA6AFD9C0C3E" box="[384,522,1527,1552]" italics="true" pageId="21" pageNumber="22">densistriata</emphasis>
|
||
</taxonomicName>
|
||
are weakly panduriform or mostly rectangular.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |