202 lines
37 KiB
XML
202 lines
37 KiB
XML
<document id="A16D179D9FBE985CB5081F16047C2DFD" ID-CLB-Dataset="79792" ID-DOI="10.11646/phytotaxa.552.2.2" ID-GBIF-Dataset="c18eb846-d65f-47e8-bfea-9e4b4de3a3f7" ID-ISSN="1179-3163" ID-Zenodo-Dep="6690982" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1655954199675" checkinUser="plazi" docAuthor="Sherly, Sheena, Radhakrishnan, Cheran & Karthick, Balasubramanian" docDate="2022" docId="172D051B060FA97E0AEE92FDFAD42620" docLanguage="en" docName="phytotaxa.552.2.2.pdf" docOrigin="Phytotaxa 552 (2)" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Platessa arborea C. Radhakrishnan, S. Sherly & B. Karthick 2022, sp. nov." docType="treatment" docVersion="7" lastPageNumber="153" masterDocId="EB147D63060EA97C0A669671FF9D2056" masterDocTitle="Platessa arborea sp. nov. (Bacillariophyceae): A new tree moss dwelling diatom from the Eastern Himalayas, India" masterLastPageNumber="158" masterPageNumber="151" pageNumber="152" updateTime="1699349743667" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="28A3B93B5DD97BCD4D7B54590D5F6BAA">Platessa arborea sp. nov. (Bacillariophyceae): A new tree moss dwelling diatom from the Eastern Himalayas, India</mods:title>
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<mods:namePart id="445EC5A92BF88BB9DF2B6C8099B7BCE6">Sherly, Sheena</mods:namePart>
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<mods:affiliation id="9246EFE316BF83545FF485D56831B87F">Biodiversity and Palaeobiology Group, Agharkar Research Institute, Pune, Maharashtra- 411004, India. & ssherly 29 @ gmail. com; https: // orcid. org / 0000 - 0001 - 9019 - 052 X</mods:affiliation>
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<mods:nameIdentifier id="A7B67B25FF675A397E0B3A106612966B" type="email">ssherly29@gmail.com</mods:nameIdentifier>
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<mods:namePart id="B026A080E391F0A153AA759AAFD79BCB">Radhakrishnan, Cheran</mods:namePart>
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<mods:affiliation id="0F37D1E2681ED0D6CF94A6AD042A278C">Biodiversity and Palaeobiology Group, Agharkar Research Institute, Pune, Maharashtra- 411004, India. & Affiliated to the Department of Environmental Science, Savitribai Phule Pune University, Ganeshkind, Pune, Maharashtra- 411007, India. & radha. cheran @ gmail. com; https: // orcid. org / 0000 - 0003 - 2698 - 942 X</mods:affiliation>
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<mods:nameIdentifier id="4D377149A409453679C1BD09C50F35EC" type="email">radha.cheran@gmail.com</mods:nameIdentifier>
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<mods:namePart id="68F10D06D5F6FABA20C94CBDECA83657">Karthick, Balasubramanian</mods:namePart>
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<mods:affiliation id="B657C9CADC35EFB4451DBC5E186350AF">Biodiversity and Palaeobiology Group, Agharkar Research Institute, Pune, Maharashtra- 411004, India. & Affiliated to the Department of Environmental Science, Savitribai Phule Pune University, Ganeshkind, Pune, Maharashtra- 411007, India. & karthickbala @ aripune. org; https: // orcid. org / 0000 - 0003 - 4066 - 2458</mods:affiliation>
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<mods:nameIdentifier id="FD02107F2D2382E369F582439B4E31B4" type="email">karthickbala@aripune.org</mods:nameIdentifier>
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<mods:title id="B1097F526363A57BF75C5B775B6670B8">Phytotaxa</mods:title>
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<mods:part id="67CF885B1C436D37472E2EE2697F529F">
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<mods:date id="54ECE7E6CAA0271517E3E57C029F4E7C">2022</mods:date>
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<mods:number id="C4411713FF9701CEF0136A22946B01F5">2022-06-23</mods:number>
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<mods:number id="0A6235948C752258901E3E2CE3DA224C">552</mods:number>
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<mods:start id="0455A09B0D192C5B6566BC855FFDD7DB">151</mods:start>
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<mods:identifier id="8C12D81FD1226D0F032098CB2BA97495" type="DOI">10.11646/phytotaxa.552.2.2</mods:identifier>
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<treatment id="172D051B060FA97E0AEE92FDFAD42620" ID-DOI="http://doi.org/10.5281/zenodo.6709374" ID-GBIF-Taxon="196159574" ID-Zenodo-Dep="6709374" LSID="urn:lsid:plazi:treatment:172D051B060FA97E0AEE92FDFAD42620" httpUri="http://treatment.plazi.org/id/172D051B060FA97E0AEE92FDFAD42620" lastPageId="2" lastPageNumber="153" pageId="1" pageNumber="152">
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<subSubSection id="D79EE786060FA97D0AEE92FDFF64249C" pageId="1" pageNumber="152" type="nomenclature">
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<paragraph id="9F3BB40D060FA97D0AEE92FDFF64249C" blockId="1.[136,1452,1164,2055]" pageId="1" pageNumber="152">
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<heading id="C4730361060FA97D0AEE92FDFF64249C" bold="true" centered="true" fontSize="11" level="1" pageId="1" pageNumber="152" reason="1">
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<emphasis id="ADF0681F060FA97D0AEE92FDFF64249C" bold="true" pageId="1" pageNumber="152">
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<taxonomicName id="5884CF8E060FA97D0AEE92FDFC0E24F0" authority="C. Radhakrishnan, S. Sherly & B. Karthick" authorityName="C. Radhakrishnan, S. Sherly & B. Karthick" authorityYear="2022" box="[136,915,1164,1191]" class="Bacillariophyceae" family="Achnanthaceae" genus="Platessa" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="1" pageNumber="152" phylum="Bacillariophyta" rank="species" species="arborea" status="sp. nov.">
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<emphasis id="ADF0681F060FA97D0AEE92FDFED224F1" bold="true" box="[136,335,1164,1191]" italics="true" pageId="1" pageNumber="152">Platessa arborea</emphasis>
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C. Radhakrishnan, S. Sherly & B. Karthick
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</taxonomicName>
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<emphasis id="ADF0681F060FA97D09C792FDFC6324F0" bold="true" box="[929,1022,1164,1190]" italics="true" pageId="1" pageNumber="152">
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<taxonomicNameLabel id="B6C3D564060FA97D09C792FDFC6324F0" box="[929,1022,1164,1190]" pageId="1" pageNumber="152" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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||
(
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<figureCitation id="07BFA888060FA97D0E7392FDFB0D24F0" box="[1045,1168,1164,1190]" captionStart-0="FIGURE 1–60" captionStart-1="FIGURE 61–67" captionStartId-0="2.[136,229,1416,1438]" captionStartId-1="4.[136,229,1780,1802]" captionTargetBox-0="[196,1391,187,1389]" captionTargetBox-1="[151,1435,190,1755]" captionTargetId-0="figure-26@2.[196,1391,187,1389]" captionTargetId-1="figure-26@4.[151,1435,190,1755]" captionTargetPageId-0="2" captionTargetPageId-1="4" captionText-0="FIGURE 1–60. Light microscope images of Platessa arborea sp. nov. Valves representing the size diminution series. 1–30. Raphesternum valve, and 31–60. Sternum valve. Scale bar: 10 μm." captionText-1="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi-0="http://doi.org/10.5281/zenodo.6690984" figureDoi-1="http://doi.org/10.5281/zenodo.6690992" httpUri-0="https://zenodo.org/record/6690984/files/figure.png" httpUri-1="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Figs 1–67</figureCitation>
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,
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||
<figureCitation id="07BFA888060FA97D0EC292FDFB7324F0" box="[1188,1262,1164,1190]" captionStart="FIGURE 1–60" captionStartId="2.[136,229,1416,1438]" captionTargetBox="[196,1391,187,1389]" captionTargetId="figure-26@2.[196,1391,187,1389]" captionTargetPageId="2" captionText="FIGURE 1–60. Light microscope images of Platessa arborea sp. nov. Valves representing the size diminution series. 1–30. Raphesternum valve, and 31–60. Sternum valve. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.6690984" httpUri="https://zenodo.org/record/6690984/files/figure.png" pageId="1" pageNumber="152">Fig. 9</figureCitation>
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represents the
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<typeStatus id="403F0AAF060FA97D0AEE92C1FF6D249C" box="[136,240,1200,1226]" pageId="1" pageNumber="152" type="holotype">holotype</typeStatus>
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)
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="D79EE786060FA97D0ADB92A5FD7E27E9" pageId="1" pageNumber="152" type="description">
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<paragraph id="9F3BB40D060FA97D0ADB92A5FEB12528" blockId="1.[136,1452,1164,2055]" pageId="1" pageNumber="152">
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<emphasis id="ADF0681F060FA97D0ADB92A5FD8D24B8" bold="true" box="[189,528,1236,1262]" pageId="1" pageNumber="152">
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LM Description (
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||
<figureCitation id="07BFA888060FA97D0BE992A5FD9524B8" box="[399,520,1236,1262]" captionStart="FIGURE 1–60" captionStartId="2.[136,229,1416,1438]" captionTargetBox="[196,1391,187,1389]" captionTargetId="figure-26@2.[196,1391,187,1389]" captionTargetPageId="2" captionText="FIGURE 1–60. Light microscope images of Platessa arborea sp. nov. Valves representing the size diminution series. 1–30. Raphesternum valve, and 31–60. Sternum valve. Scale bar: 10 μm." figureDoi="http://doi.org/10.5281/zenodo.6690984" httpUri="https://zenodo.org/record/6690984/files/figure.png" pageId="1" pageNumber="152">Figs 1–60</figureCitation>
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)
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</emphasis>
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||
:—Valve elliptical with narrowly rounded apices. Raphe-sternum valve (RSV): Length: 6.5–9.5 µm, width: 3.5–4.5 µm, ratio length/width: 1.6–2.2 (n = 60). Axial area narrow and hardly discernible, visible only near center of the valve; central area nearly rectangular shape, bordered by 2–3 shorter striae frequently more widely spaced. Striae radiate throughout the valve,
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<quantity id="587C19E8060FA97D096F9331FCF0250C" box="[777,877,1344,1370]" metricMagnitude="-1" metricUnit="m" metricValue="5.842" metricValueMax="6.096" metricValueMin="5.588" pageId="1" pageNumber="152" unit="in" value="23.0" valueMax="24.0" valueMin="22.0">22–24 in</quantity>
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10 µm. Raphe slightly filiform expanded proximal raphe endings.
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||
</paragraph>
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||
<paragraph id="9F3BB40D060FA97D0ADB93F9FD352590" blockId="1.[136,1452,1164,2055]" pageId="1" pageNumber="152">
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Sternum valve (SV): wide axial area, Length: 6.0–9.0 µm, width: 3.5–4.5 µm. Striae densely arranged
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<quantity id="587C19E8060FA97D0F2E93F9FA3125F4" box="[1352,1452,1416,1442]" metricMagnitude="-1" metricUnit="m" metricValue="5.842" metricValueMax="6.096" metricValueMin="5.588" pageId="1" pageNumber="152" unit="in" value="23.0" valueMax="24.0" valueMin="22.0">22–24 in</quantity>
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||
10 µm, parallel at centre, radiate towards apices.
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</paragraph>
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<paragraph id="9F3BB40D060FA97D0ADB93A1FC7A262D" blockId="1.[136,1452,1164,2055]" pageId="1" pageNumber="152">
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<emphasis id="ADF0681F060FA97D0ADB93A1FDBC25BC" bold="true" box="[189,545,1488,1514]" pageId="1" pageNumber="152">
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SEM Description (
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||
<figureCitation id="07BFA888060FA97D0BFE93A1FD8425BC" box="[408,537,1488,1514]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Figs 61–67</figureCitation>
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)
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||
</emphasis>
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||
:—Raphe-sternum valve (RSV): Externally, raphe filiform, slight curvature found near ends (
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<figureCitation id="07BFA888060FA97D0B6E9385FE342659" box="[264,425,1524,1551]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Figs 61 & 63</figureCitation>
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). Proximal raphe ends positioned in a broadened shallow groove, distal raphe located in the shallow groove with cone-shaped endings, and both ends slightly bend to the same side (
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<figureCitation id="07BFA888060FA97D0ECC9069FB622665" box="[1194,1279,1560,1587]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 61</figureCitation>
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). Striae mostly uniseriate; however found biseriate at 2–3 striae near apices. (
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<figureCitation id="07BFA888060FA97D095E904DFC172601" box="[824,906,1596,1623]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 61</figureCitation>
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). Areolae, apically slit-like throughout the valve, only at the center of the valve it is round-shaped towards axial area (
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<figureCitation id="07BFA888060FA97D09E19011FC47262D" box="[903,986,1632,1659]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 61</figureCitation>
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).
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</paragraph>
|
||
<paragraph id="9F3BB40D060FA97D0ADB90F5FD7E27E9" blockId="1.[136,1452,1164,2055]" pageId="1" pageNumber="152">
|
||
Internally, proximal raphe ends are strongly hooked, a very remarkable feature which is infrequent in other
|
||
<taxonomicName id="5884CF8E060FA97D0F2A90F5FF412694" pageId="1" pageNumber="152">
|
||
<emphasis id="ADF0681F060FA97D0F2A90F5FA3626C8" box="[1356,1451,1668,1694]" italics="true" pageId="1" pageNumber="152">Platessa</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
, and its distal ends are curved on opposite sides, terminating in well-developed helictoglossae (
|
||
<figureCitation id="07BFA888060FA97D0F7C90D9FA022695" box="[1306,1439,1704,1731]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Figs 64, 65</figureCitation>
|
||
). Striae lowered between raised virgae. Width of the interstriae is wider than the striae. Striae internally rectangular to round in shape and mostly covered with hymen (
|
||
<figureCitation id="07BFA888060FA97D08B19081FCC3275D" box="[727,862,1776,1803]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Figs 64, 65</figureCitation>
|
||
). An apparent depression is observed on the central nodule (
|
||
<figureCitation id="07BFA888060FA97D0A819165FEEC2779" box="[231,369,1812,1839]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Figs 64, 65</figureCitation>
|
||
). Sternum valve (SV), externally, axial area covered with several irregular shape depressions distributed on the surface of the valve (
|
||
<figureCitation id="07BFA888060FA97D085B9149FD0C2705" box="[573,657,1848,1875]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 62</figureCitation>
|
||
). Striae uniseriate, however, found biseriate at more than 10 striae near the valve mantle (
|
||
<figureCitation id="07BFA888060FA97D0B36912DFE392721" box="[336,420,1884,1911]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 62</figureCitation>
|
||
). Interstriae is raised, and the width of striae is unequal (
|
||
<figureCitation id="07BFA888060FA97D0E7C912DFBF32721" box="[1050,1134,1884,1911]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 62</figureCitation>
|
||
). Internally, axial area is flat and features are not easily visible (
|
||
<figureCitation id="07BFA888060FA97D086891F1FDFF27CD" box="[526,610,1920,1947]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 66</figureCitation>
|
||
). Biseriate striae found near the mantle with hymenated areolae. Interstriae raised its width slightly more than the striae (
|
||
<figureCitation id="07BFA888060FA97D08E491D5FD4B27E9" box="[642,726,1956,1983]" captionStart="FIGURE 61–67" captionStartId="4.[136,229,1780,1802]" captionTargetBox="[151,1435,190,1755]" captionTargetId="figure-26@4.[151,1435,190,1755]" captionTargetPageId="4" captionText="FIGURE 61–67. Platessa arborea sp. nov. SEM. 61. External view of the whole valve (Raphe-sternum valve) showing the striae arrangement and rectangular axial area at the middle of the valve. 62. External view of the whole valve (Sternum valve) showing the broad axial area at the center and biseriate striae near the mantle. 63. External view of apices showing the hooked proximal raphe ends and distal raphe end deflection. 64. Internal view of apices showing the proximal and distal raphe ends curvature and deflection. 65. Internal view of the whole valve (Raphe-sternum valve) showing the opposite deflection of both raphe ends and distal raphe ends with prominent helictoglossae. 66–67. Internal view of the whole valve (Sternum valve) showing the wide axial area and raised interstriae. Scale bars: = 1 μm (Figs 61–67)." figureDoi="http://doi.org/10.5281/zenodo.6690992" httpUri="https://zenodo.org/record/6690992/files/figure.png" pageId="1" pageNumber="152">Fig. 67</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D79EE786060FA97E0ADB91B9FAD42620" lastPageId="2" lastPageNumber="153" pageId="1" pageNumber="152" type="materials_examined">
|
||
<paragraph id="9F3BB40D060FA97D0ADB91B9FD4B2850" blockId="1.[136,1452,1164,2055]" pageId="1" pageNumber="152">
|
||
<materialsCitation id="2FECBE50060FA97D0ADB91B9FD4B2850" ID-GBIF-Occurrence="3818563301" collectingDate="2019-11-22" collectionCode="AHMA" collectorName="Radhakrishnan Cheran" country="India" county="Sikkim" elevation="1794" latitude="27.34829" location="Khecheopalri Lake" longLatPrecision="1" longitude="88.19187" municipality="Pune" pageId="1" pageNumber="152" specimenCount="1" stateProvince="Sikkim" typeStatus="holotype">
|
||
<emphasis id="ADF0681F060FA97D0ADB91B9FEB727B4" bold="true" box="[189,298,1992,2018]" pageId="1" pageNumber="152">
|
||
<typeStatus id="403F0AAF060FA97D0ADB91B9FEB727B4" box="[189,298,1992,2018]" pageId="1" pageNumber="152" type="holotype">Holotype</typeStatus>
|
||
</emphasis>
|
||
(designated here):—Slide #58/55, Sample #2878; deposited at the Diatom Collection, Agharkar Research Institute Herbarium (
|
||
<collectionCode id="F9952CC8060FA97D0B87919DFDA12850" box="[481,572,2028,2054]" country="India" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15265" lsid="urn:lsid:biocol.org:col:15265" name="Agharkar Research Institute, Maharashtra Association for the Cultivation of Science" pageId="1" pageNumber="152" type="Herbarium">AHMA</collectionCode>
|
||
),
|
||
<collectingMunicipality id="7F5F2E77060FA97D0829919CFD172851" box="[591,650,2029,2055]" pageId="1" pageNumber="152">Pune</collectingMunicipality>
|
||
,
|
||
<collectingCountry id="E793F49D060FA97D08F3919DFD4F2850" box="[661,722,2028,2054]" name="India" pageId="1" pageNumber="152">India</collectingCountry>
|
||
.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<caption id="CBFBE485060CA97E0AEE93F9FD502594" ID-DOI="http://doi.org/10.5281/zenodo.6690984" ID-Zenodo-Dep="6690984" httpUri="https://zenodo.org/record/6690984/files/figure.png" pageId="2" pageNumber="153" startId="2.[136,229,1416,1438]" targetBox="[196,1391,187,1389]" targetPageId="2">
|
||
<paragraph id="9F3BB40D060CA97E0AEE93F9FD502594" blockId="2.[136,1451,1416,1474]" pageId="2" pageNumber="153">
|
||
<emphasis id="ADF0681F060CA97E0AEE93F9FE8225CB" bold="true" box="[136,287,1416,1438]" pageId="2" pageNumber="153">FIGURE 1–60</emphasis>
|
||
. Light microscope images of
|
||
<emphasis id="ADF0681F060CA97E082B93F9FCD425C8" box="[589,841,1416,1438]" italics="true" pageId="2" pageNumber="153">
|
||
<taxonomicName id="5884CF8E060CA97E082B93F9FD6E25CB" authority="Sherly & Radhakrishnan & Karthick, 2022" authorityName="Sherly & Radhakrishnan & Karthick" authorityYear="2022" box="[589,755,1416,1437]" class="Bacillariophyceae" family="Achnanthaceae" genus="Platessa" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="153" phylum="Bacillariophyta" rank="species" species="arborea" status="sp. nov.">Platessa arborea</taxonomicName>
|
||
<taxonomicNameLabel id="B6C3D564060CA97E089B93F8FCD425C8" box="[765,841,1417,1438]" pageId="2" pageNumber="153" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Valves representing the size diminution series. 1–30. Raphesternum valve, and 31–60. Sternum valve. Scale bar: 10 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9F3BB40D060CA97E0ADB9380FF7C2604" blockId="2.[136,1452,1520,1655]" pageId="2" pageNumber="153">
|
||
<emphasis id="ADF0681F060CA97E0ADB9380FEC4265C" bold="true" box="[189,345,1520,1547]" pageId="2" pageNumber="153">Type locality</emphasis>
|
||
:—
|
||
<collectingCountry id="E793F49D060CA97E0B1D9380FE52265D" box="[379,463,1521,1547]" name="India" pageId="2" pageNumber="153">INDIA</collectingCountry>
|
||
,
|
||
<collectingRegion id="5D407AEF060CA97E0BBB9381FDAC265C" box="[477,561,1520,1546]" country="India" name="Sikkim" pageId="2" pageNumber="153">Sikkim</collectingRegion>
|
||
, composite tree moss sample collected on
|
||
<date id="EB3A92CD060CA97E0E449380FA9C265D" box="[1058,1281,1520,1547]" pageId="2" pageNumber="153" value="2019-11-22">
|
||
<collectingDate id="FB7E6B25060CA97E0E449380FA9C265D" box="[1058,1281,1520,1547]" pageId="2" pageNumber="153" value="2019-11-22">22 November 2019</collectingDate>
|
||
</date>
|
||
on the way to
|
||
<location id="9A5BE2D6060CA97E0AEE9065FEF82678" LSID="urn:lsid:plazi:treatment:172D051B060FA97E0AEE92FDFAD42620:9A5BE2D6060CA97E0AEE9065FEF82678" box="[136,357,1556,1582]" country="India" county="Sikkim" latitude="27.34829" longLatPrecision="1" longitude="88.19187" municipality="Khecheopalri Lake" name="Khecheopalri Lake" pageId="2" pageNumber="153" stateProvince="Sikkim">Khecheopalri Lake</location>
|
||
, West
|
||
<collectingCounty id="765ACC81060CA97E0BD09065FD9A2678" box="[438,519,1556,1582]" pageId="2" pageNumber="153">Sikkim</collectingCounty>
|
||
district (
|
||
<geoCoordinate id="FAB0D2CA060CA97E08159064FC972679" box="[627,778,1557,1583]" degrees="27.34829" direction="north" orientation="latitude" pageId="2" pageNumber="153" precision="1" value="27.34829">27.34829 °N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="FAB0D2CA060CA97E097C9064FC332679" box="[794,942,1557,1583]" degrees="88.19187" direction="east" orientation="longitude" pageId="2" pageNumber="153" precision="1" value="88.19187">88.19187 °E</geoCoordinate>
|
||
;
|
||
<elevation id="14A9533E060CA97E09D89065FB5B2679" box="[958,1222,1556,1583]" metricMagnitude="3" metricUnit="m" metricValue="1.794" pageId="2" pageNumber="153" unit="m" value="1794.0">
|
||
elevation
|
||
<quantity id="587C19E8060CA97E0E499064FB142679" box="[1071,1161,1557,1583]" metricMagnitude="3" metricUnit="m" metricValue="1.794" pageId="2" pageNumber="153" unit="m" value="1794.0">1794 m</quantity>
|
||
a.s.l.
|
||
</elevation>
|
||
) by
|
||
<collectorName id="3271D1DB060CA97E0F659065FA362678" box="[1283,1451,1556,1582]" pageId="2" pageNumber="153">Radhakrishnan</collectorName>
|
||
Cheran.
|
||
</paragraph>
|
||
<paragraph id="9F3BB40D060CA97E0ADB902CFAD42620" blockId="2.[136,1452,1520,1655]" box="[189,1353,1628,1655]" pageId="2" pageNumber="153">
|
||
<emphasis id="ADF0681F060CA97E0ADB902CFEA32621" bold="true" box="[189,318,1629,1655]" pageId="2" pageNumber="153">Etymology</emphasis>
|
||
:—Named after the habitat (tree) on which it was found. In Latin, the tree is called an Arbor.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |