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111 lines
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<document id="EA4F768B5003FD9C94B5B9C59F3B1AA0" ID-DOI="10.11646/phytotaxa.154.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="5100778" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1626240419267" checkinUser="felipe" docAuthor="Kociolek, John P., Kulikovskiy, Maxim S. & Solak, Cüneyt N." docDate="2013" docId="242F87F03A53DD01B6FDF943F1A8FE44" docLanguage="en" docName="Phytotaxa.154.1.1-37.pdf" docOrigin="Phytotaxa 154 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.154.1.1" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Gomphoneis tumida" docType="treatment" docVersion="3" lastPageNumber="11" masterDocId="D816FF883A5ADD0BB66AFFF4F32DFF84" masterDocTitle="The diatom genus Gomphoneis Cleve (Bacillariophyceae) from Lake Baikal, Russia" masterLastPageNumber="37" masterPageNumber="1" pageNumber="10" updateTime="1699007394933" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="C855FBA4B22577AB1C9C89462AD809FA">The diatom genus Gomphoneis Cleve (Bacillariophyceae) from Lake Baikal, Russia</mods:title>
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<mods:namePart id="AFD4B229C27C37793CE5F88A3737D8B8">Kociolek, John P.</mods:namePart>
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<mods:affiliation id="597FA6F4C941F6ED073A2939099D6AE9">Museum of Natural History and Department of Ecology and Evolutionary Biology & University of Colorado, Boulder, Colorado, 80309 USA</mods:affiliation>
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<mods:namePart id="6EC9A6FE10F6DD28F7EE997488393058">Kulikovskiy, Maxim S.</mods:namePart>
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<mods:affiliation id="5EB5F902D6916030B52B108EB269DE6C">I. D. Papanin Institute for Biology of Inland Waters Russian Academy of Sciences,</mods:affiliation>
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<mods:namePart id="FF412FB19A6FD41AF2380D5EB1AE3C2E">Solak, Cüneyt N.</mods:namePart>
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<mods:affiliation id="E7F51A74872DFC490B5DDD9D094305D9">Dumlupiner University, Department of Biology, Art & Science Faculty, Kütahya, 431000, Turkey</mods:affiliation>
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<mods:title id="DD1507F179A6E915212D81D717BD36B9">Phytotaxa</mods:title>
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<mods:date id="F481457EAD434AA196BD8D49AA6192B8">2013</mods:date>
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<paragraph id="AC3936E63A53DD02B6FDF943F6BDF956" blockId="9.[151,1424,1719,1746]" box="[151,1424,1719,1746]" pageId="9" pageNumber="10">
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<taxonomicName id="6B864D653A53DD02B6FDF943F250F955" baseAuthorityName="Tuji" baseAuthorityYear="2005" box="[151,381,1719,1745]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="species" species="tumida">
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<emphasis id="9EF2EAF43A53DD02B6FDF943F250F955" bold="true" box="[151,381,1719,1745]" italics="true" pageId="9" pageNumber="10">Gomphoneis tumida</emphasis>
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</taxonomicName>
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(Skvortzow in Skvortzow & Meyer) Kociolek & Stoermer (1988: 104)(
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<figureCitation id="34BD2A633A53DD02B2FAF94CF631F956" box="[1168,1308,1720,1746]" captionStart="PLATE 5" captionStartId="9.[151,229,1611,1632]" captionTargetBox="[151,1436,191,1566]" captionTargetId="figure-123@9.[151,1436,191,1586]" captionTargetPageId="9" captionText="PLATE 5: LM. Figs 89–119: Gomphoneis tumida. Scale bar = 10 µm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5100792" httpUri="https://zenodo.org/record/5100792/files/figure.png" pageId="9" pageNumber="10">Figs 89–119</figureCitation>
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,
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<figureCitation id="34BD2A633A53DD02B34CF94CF6A5F956" box="[1318,1416,1720,1746]" captionStart="PLATE 13" captionStartId="28.[151,230,1739,1760]" captionTargetBox="[151,1436,155,1708]" captionTargetId="figure-219@28.[151,1436,155,1719]" captionTargetPageId="28" captionText="PLATE 13: SEM. Gomphoneis tumida. Figs 382–387: Fig. 382: External valve view. Arcuate raphe has dilated proximal ends and deflects onto the mantle at the poles. Striae are composed of round areolae in two rows. Figs 383–387: Internal valve views. Fig. 383: Full valve view showing rounded central area and prominent pseudosepta at the poles. Fig 385: Specimen without girdle bands shows septa at the poles and the large helictoglossae. Fig. 386: View of valve from central area to footpole, showing narrow axial area, and robust striae and interstriae. Septum is evident at footpole. Fig. 384: Central area showing the proximal raphe ends recurved in the same direction and rounded to ellipsoidal stigma openings occluded by teeth-like projections. Fig. 387: Central area showing the inwardly raised central nodule, with the stigmoids in depressions around the base and the elevated raphe ends recurved at its margin. G. sublanceolata. Fig. 388: External valve view shows the dilated proximal raphe ends, simple, rounded stigmoidal openings and striae composed of rounded, unoccluded areolae. The striae terminate with a single areola along the length of the valve." figureDoi="http://doi.org/10.5281/zenodo.5100817" httpUri="https://zenodo.org/record/5100817/files/figure.png" pageId="9" pageNumber="10">382–387</figureCitation>
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)
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</heading>
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</paragraph>
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<paragraph id="AC3936E63A53DD02B6FDF8F1F2A6F83E" blockId="9.[151,1436,1797,1978]" pageId="9" pageNumber="10">
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Valves lanceolate clavate, with broadly rounded headpole and rounded footpole. Axial area narrow, expanded to form an orbicular central area containing 4–6 isolated stigmoids. Length
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<quantity id="6B7E9B033A53DD02B262F8D8F7AFF8C2" box="[1032,1154,1836,1862]" metricMagnitude="-2" metricUnit="m" metricValue="3.8" metricValueMax="5.1" metricValueMin="2.5" pageId="9" pageNumber="10" unit="mm" value="38.0" valueMax="51.0" valueMin="25.0">25–51 µm</quantity>
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, breadth
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<quantity id="6B7E9B033A53DD02B287F8D8F66BF8C2" box="[1261,1350,1836,1862]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="9.0" metricValueMin="6.0" pageId="9" pageNumber="10" unit="mm" value="7.5" valueMax="9.0" valueMin="6.0">6-9 µm</quantity>
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. Raphe lateral, with proximal ends just reaching into the central area. Striae costate, radiate about the center, becoming parallel towards the apices. Striae 14-19/
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<quantity id="6B7E9B033A53DD02B49EF88DF069F817" box="[756,836,1913,1939]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="9" pageNumber="10" unit="mm" value="10.0">10 µm</quantity>
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. Apical pore fields distinct. Septa and pseudosepta present at the apices.
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</paragraph>
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</subSubSection>
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<subSubSection id="E49C656D3A50DD01B6ACFF6CF1A8FE44" pageId="10" pageNumber="11" type="description">
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<paragraph id="AC3936E63A50DD01B6ACFF6CF74BFEC8" blockId="10.[151,1436,151,448]" pageId="10" pageNumber="11">
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Externally in the SEM
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<taxonomicName id="6B864D653A50DD01B7B3FF63F161FF35" baseAuthorityName="Tuji" baseAuthorityYear="2005" box="[473,588,151,177]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="10" pageNumber="11" phylum="Ochrophyta" rank="species" species="tumida">
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<emphasis id="9EF2EAF43A50DD01B7B3FF63F161FF35" box="[473,588,151,177]" italics="true" pageId="10" pageNumber="11">G. tumida</emphasis>
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has proximal raphe ends that are dilated, and 4 isolated stigmoids with rounded openings (
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<figureCitation id="34BD2A633A50DD01B715FF4AF2C6FF5C" box="[383,491,190,216]" captionStart="PLATE 13" captionStartId="28.[151,230,1739,1760]" captionTargetBox="[151,1436,155,1708]" captionTargetId="figure-219@28.[151,1436,155,1719]" captionTargetPageId="28" captionText="PLATE 13: SEM. Gomphoneis tumida. Figs 382–387: Fig. 382: External valve view. Arcuate raphe has dilated proximal ends and deflects onto the mantle at the poles. Striae are composed of round areolae in two rows. Figs 383–387: Internal valve views. Fig. 383: Full valve view showing rounded central area and prominent pseudosepta at the poles. Fig 385: Specimen without girdle bands shows septa at the poles and the large helictoglossae. Fig. 386: View of valve from central area to footpole, showing narrow axial area, and robust striae and interstriae. Septum is evident at footpole. Fig. 384: Central area showing the proximal raphe ends recurved in the same direction and rounded to ellipsoidal stigma openings occluded by teeth-like projections. Fig. 387: Central area showing the inwardly raised central nodule, with the stigmoids in depressions around the base and the elevated raphe ends recurved at its margin. G. sublanceolata. Fig. 388: External valve view shows the dilated proximal raphe ends, simple, rounded stigmoidal openings and striae composed of rounded, unoccluded areolae. The striae terminate with a single areola along the length of the valve." figureDoi="http://doi.org/10.5281/zenodo.5100817" httpUri="https://zenodo.org/record/5100817/files/figure.png" pageId="10" pageNumber="11">Fig. 382</figureCitation>
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). Internally, the central area is rounded, and bears the internally raised central nodule (
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<figureCitation id="34BD2A633A50DD01B69CFF11F2B3FF7B" box="[246,414,229,255]" captionStart="PLATE 13" captionStartId="28.[151,230,1739,1760]" captionTargetBox="[151,1436,155,1708]" captionTargetId="figure-219@28.[151,1436,155,1719]" captionTargetPageId="28" captionText="PLATE 13: SEM. Gomphoneis tumida. Figs 382–387: Fig. 382: External valve view. Arcuate raphe has dilated proximal ends and deflects onto the mantle at the poles. Striae are composed of round areolae in two rows. Figs 383–387: Internal valve views. Fig. 383: Full valve view showing rounded central area and prominent pseudosepta at the poles. Fig 385: Specimen without girdle bands shows septa at the poles and the large helictoglossae. Fig. 386: View of valve from central area to footpole, showing narrow axial area, and robust striae and interstriae. Septum is evident at footpole. Fig. 384: Central area showing the proximal raphe ends recurved in the same direction and rounded to ellipsoidal stigma openings occluded by teeth-like projections. Fig. 387: Central area showing the inwardly raised central nodule, with the stigmoids in depressions around the base and the elevated raphe ends recurved at its margin. G. sublanceolata. Fig. 388: External valve view shows the dilated proximal raphe ends, simple, rounded stigmoidal openings and striae composed of rounded, unoccluded areolae. The striae terminate with a single areola along the length of the valve." figureDoi="http://doi.org/10.5281/zenodo.5100817" httpUri="https://zenodo.org/record/5100817/files/figure.png" pageId="10" pageNumber="11">Figs 383–387</figureCitation>
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). The proximal raphe ends are received in the same direction. The stigmoidal openings are elliptical in outline and have teeth-like projections (
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<figureCitation id="34BD2A633A50DD01B55BFEF8F0F1FEA2" box="[817,988,268,294]" captionStart="PLATE 13" captionStartId="28.[151,230,1739,1760]" captionTargetBox="[151,1436,155,1708]" captionTargetId="figure-219@28.[151,1436,155,1719]" captionTargetPageId="28" captionText="PLATE 13: SEM. Gomphoneis tumida. Figs 382–387: Fig. 382: External valve view. Arcuate raphe has dilated proximal ends and deflects onto the mantle at the poles. Striae are composed of round areolae in two rows. Figs 383–387: Internal valve views. Fig. 383: Full valve view showing rounded central area and prominent pseudosepta at the poles. Fig 385: Specimen without girdle bands shows septa at the poles and the large helictoglossae. Fig. 386: View of valve from central area to footpole, showing narrow axial area, and robust striae and interstriae. Septum is evident at footpole. Fig. 384: Central area showing the proximal raphe ends recurved in the same direction and rounded to ellipsoidal stigma openings occluded by teeth-like projections. Fig. 387: Central area showing the inwardly raised central nodule, with the stigmoids in depressions around the base and the elevated raphe ends recurved at its margin. G. sublanceolata. Fig. 388: External valve view shows the dilated proximal raphe ends, simple, rounded stigmoidal openings and striae composed of rounded, unoccluded areolae. The striae terminate with a single areola along the length of the valve." figureDoi="http://doi.org/10.5281/zenodo.5100817" httpUri="https://zenodo.org/record/5100817/files/figure.png" pageId="10" pageNumber="11">Figs 383–387</figureCitation>
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). Helictoglossae are positioned at the poles. There are both septa (
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<figureCitation id="34BD2A633A50DD01B788FEC6F168FEC8" box="[482,581,306,332]" captionStart="PLATE 13" captionStartId="28.[151,230,1739,1760]" captionTargetBox="[151,1436,155,1708]" captionTargetId="figure-219@28.[151,1436,155,1719]" captionTargetPageId="28" captionText="PLATE 13: SEM. Gomphoneis tumida. Figs 382–387: Fig. 382: External valve view. Arcuate raphe has dilated proximal ends and deflects onto the mantle at the poles. Striae are composed of round areolae in two rows. Figs 383–387: Internal valve views. Fig. 383: Full valve view showing rounded central area and prominent pseudosepta at the poles. Fig 385: Specimen without girdle bands shows septa at the poles and the large helictoglossae. Fig. 386: View of valve from central area to footpole, showing narrow axial area, and robust striae and interstriae. Septum is evident at footpole. Fig. 384: Central area showing the proximal raphe ends recurved in the same direction and rounded to ellipsoidal stigma openings occluded by teeth-like projections. Fig. 387: Central area showing the inwardly raised central nodule, with the stigmoids in depressions around the base and the elevated raphe ends recurved at its margin. G. sublanceolata. Fig. 388: External valve view shows the dilated proximal raphe ends, simple, rounded stigmoidal openings and striae composed of rounded, unoccluded areolae. The striae terminate with a single areola along the length of the valve." figureDoi="http://doi.org/10.5281/zenodo.5100817" httpUri="https://zenodo.org/record/5100817/files/figure.png" pageId="10" pageNumber="11">Fig. 383</figureCitation>
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) and pseudosepta (
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<figureCitation id="34BD2A633A50DD01B54CFEC6F0E7FEC8" box="[806,970,306,332]" captionStart="PLATE 13" captionStartId="28.[151,230,1739,1760]" captionTargetBox="[151,1436,155,1708]" captionTargetId="figure-219@28.[151,1436,155,1719]" captionTargetPageId="28" captionText="PLATE 13: SEM. Gomphoneis tumida. Figs 382–387: Fig. 382: External valve view. Arcuate raphe has dilated proximal ends and deflects onto the mantle at the poles. Striae are composed of round areolae in two rows. Figs 383–387: Internal valve views. Fig. 383: Full valve view showing rounded central area and prominent pseudosepta at the poles. Fig 385: Specimen without girdle bands shows septa at the poles and the large helictoglossae. Fig. 386: View of valve from central area to footpole, showing narrow axial area, and robust striae and interstriae. Septum is evident at footpole. Fig. 384: Central area showing the proximal raphe ends recurved in the same direction and rounded to ellipsoidal stigma openings occluded by teeth-like projections. Fig. 387: Central area showing the inwardly raised central nodule, with the stigmoids in depressions around the base and the elevated raphe ends recurved at its margin. G. sublanceolata. Fig. 388: External valve view shows the dilated proximal raphe ends, simple, rounded stigmoidal openings and striae composed of rounded, unoccluded areolae. The striae terminate with a single areola along the length of the valve." figureDoi="http://doi.org/10.5281/zenodo.5100817" httpUri="https://zenodo.org/record/5100817/files/figure.png" pageId="10" pageNumber="11">Figs 385, 386</figureCitation>
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) at the poles.
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</paragraph>
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<paragraph id="AC3936E63A50DD01B6ACFEADF1A8FE44" blockId="10.[151,1436,151,448]" pageId="10" pageNumber="11">
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<emphasis id="9EF2EAF43A50DD01B6ACFEADF2BEFEF7" bold="true" box="[198,403,345,371]" pageId="10" pageNumber="11">Observations:—</emphasis>
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This represents a more narrow view of this taxon than the one presented by
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<bibRefCitation id="C8174B173A50DD01B378FEADF245FE1E" author="Kociolek, J. P. & Stoermer, E. F." pageId="10" pageNumber="11" pagination="95 - 108" refId="ref16135" refString="Kociolek, J. P. & Stoermer, E. F. (1988 b) Taxonomic and systematic position of the Gomphoneis quadripunctata species complex. Diatom Research 3: 95 - 108. http: // dx. doi. org / 10.1080 / 0269249 x. 1988.9705019" type="journal article" year="1988">Kociolek & Stoermer (1988b)</bibRefCitation>
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, but it is still considered one of, if not the most variable species present in Lake Baikal. This species is more linear than
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<taxonomicName id="6B864D653A50DD01B7BFFE51F150FE3B" authorityName="Kulikovskiy, Kociolek & Solak" authorityYear="2013" box="[469,637,421,447]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="10" pageNumber="11" phylum="Ochrophyta" rank="species" species="tumidioides">
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<emphasis id="9EF2EAF43A50DD01B7BFFE51F150FE3B" box="[469,637,421,447]" italics="true" pageId="10" pageNumber="11">G. tumidioides</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |