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<document id="35AD70ED09696FFCDD06BDF4E1BFF942" ID-CLB-Dataset="123004" ID-DOI="10.11646/phytotaxa.558.2.5" ID-GBIF-Dataset="7d9fa0b4-3d40-4af0-956d-f05a8beb5dca" ID-ISSN="1179-3163" ID-Zenodo-Dep="7002983" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1660733050829" checkinUser="plazi" docAuthor="Vigneshwaran, Anbukkarasu, Wadmare, Neha &amp; Karthick, Balasubramanian" docDate="2022" docId="03EBFE62FF819913FF05FCA48379C627" docLanguage="en" docName="phytotaxa.558.2.5.pdf" docOrigin="Phytotaxa 558 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.558.2.5" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Hippodonta mudumalaiensis A. Vigneshwaran &amp; B. Karthick 2022, sp. nov." docType="treatment" docVersion="6" lastPageNumber="223" masterDocId="FFD2861AFF829917FF8DFFB08223CE2C" masterDocTitle="A new species of Hippodonta Lange-Bertalot, Metzeltin &amp; Witkowski (Bacillariophyceae, Naviculales) from the Western Ghats, India" masterLastPageNumber="228" masterPageNumber="219" pageNumber="222" updateTime="1699367146780" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="B72C9D9EB3C30835BC20593A6096BCB1">A new species of Hippodonta Lange-Bertalot, Metzeltin &amp; Witkowski (Bacillariophyceae, Naviculales) from the Western Ghats, India</mods:title>
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<mods:namePart id="FA1522E40D6A3868144CC7E9519DB8A9">Vigneshwaran, Anbukkarasu</mods:namePart>
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<mods:affiliation id="6CF58ACDECC7A53B5476D5F872BE4224">Biodiversity and Palaeobiology Group, Agharkar Research Institute, Pune, Maharashtra, India- 411004 &amp; Department of Botany, Savitribai Phule Pune University, Pune, Maharashtra, India- 411007 &amp; vigneshwar 1296 @ gmail. com; https: // orcid. org / 0000 - 0003 - 4766 - 6873</mods:affiliation>
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<mods:namePart id="6C18BE0C3F3CD946CC27A200FD9A20D6">Wadmare, Neha</mods:namePart>
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<mods:affiliation id="863BACC2EA643799EE80F43A0D862CD6">Biodiversity and Palaeobiology Group, Agharkar Research Institute, Pune, Maharashtra, India- 411004 &amp; Department of Botany, Savitribai Phule Pune University, Pune, Maharashtra, India- 411007 &amp; nehawadmare @ aripune. org; https: // orcid. org / 0000 - 0003 - 1188 - 3489</mods:affiliation>
<mods:nameIdentifier id="9A13B3D4E4841DCFEC569E524B09D014" type="email">nehawadmare@aripune.org</mods:nameIdentifier>
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<mods:namePart id="FA4613DBFF85CC3A05E58CB4685AE9C2">Karthick, Balasubramanian</mods:namePart>
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<mods:affiliation id="E4F24B084EF627013B28665938AFAB0F">Biodiversity and Palaeobiology Group, Agharkar Research Institute, Pune, Maharashtra, India- 411004 &amp; Department of Botany, Savitribai Phule Pune University, Pune, Maharashtra, India- 411007 &amp; karthickbala @ aripune. org; https: // orcid. org / 0000 - 0003 - 4066 - 2458</mods:affiliation>
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<mods:title id="453EB4D188BDAB1E145FFD0250A3EB58">Phytotaxa</mods:title>
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<mods:date id="A74B69A6007C32AC02C7D9262F0BC1C5">2022</mods:date>
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<mods:number id="F5EC89D499C4FEA2F19D772B6EC99BFA">558</mods:number>
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<treatment id="03EBFE62FF819913FF05FCA48379C627" ID-DOI="http://doi.org/10.5281/zenodo.7002973" ID-GBIF-Taxon="199499299" ID-Zenodo-Dep="7002973" LSID="urn:lsid:plazi:treatment:03EBFE62FF819913FF05FCA48379C627" httpUri="http://treatment.plazi.org/id/03EBFE62FF819913FF05FCA48379C627" lastPageId="4" lastPageNumber="223" pageId="3" pageNumber="222">
<subSubSection id="C3581CFFFF819914FF05FCA482DACD7E" pageId="3" pageNumber="222" type="nomenclature">
<paragraph id="8BFD4F74FF819914FF05FCA482DACD7E" blockId="3.[136,1451,788,850]" pageId="3" pageNumber="222">
<heading id="D0B5F818FF819914FF05FCA482DACD7E" bold="true" centered="true" fontSize="11" level="1" pageId="3" pageNumber="222" reason="1">
<emphasis id="B9369366FF819914FF05FCA482DACD7E" bold="true" pageId="3" pageNumber="222">
<taxonomicName id="4C4234F7FF819914FF05FCA48157CD02" authority="A.Vigneshwaran &amp; B.Karthick" authorityName="A. Vigneshwaran &amp; B. Karthick" authorityYear="2022" box="[136,884,788,815]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="222" phylum="Ochrophyta" rank="species" species="mudumalaiensis" status="sp. nov.">
<emphasis id="B9369366FF819914FF05FCA483FCCD03" bold="true" box="[136,479,788,815]" italics="true" pageId="3" pageNumber="222">Hippodonta mudumalaiensis</emphasis>
A.Vigneshwaran &amp; B.Karthick
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<taxonomicNameLabel id="A2052E1DFF819914FC09FCA481C5CD02" box="[900,998,788,814]" pageId="3" pageNumber="222" rank="species">
<emphasis id="B9369366FF819914FC09FCA481BECD02" bold="true" box="[900,925,788,814]" italics="true" pageId="3" pageNumber="222">sp</emphasis>
.
<emphasis id="B9369366FF819914FC38FCA481FCCD02" bold="true" box="[949,991,788,814]" italics="true" pageId="3" pageNumber="222">nov</emphasis>
.
</taxonomicNameLabel>
(
<figureCitation id="137953F1FF819914FC70FCA48658CD02" box="[1021,1147,788,814]" captionStart-0="FIGURES 2–29" captionStart-1="FIGURES 30–34" captionStart-2="FIGURES 35–39" captionStartId-0="3.[136,243,1464,1486]" captionStartId-1="4.[136,243,1568,1590]" captionStartId-2="6.[136,243,1280,1302]" captionTargetBox-0="[151,1436,875,1439]" captionTargetBox-1="[151,1436,281,1544]" captionTargetBox-2="[151,1436,190,1256]" captionTargetId-0="figure-168@3.[151,1436,875,1439]" captionTargetId-1="figure-79@4.[151,1436,281,1544]" captionTargetId-2="figure-33@6.[151,1436,190,1256]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="6" captionText-0="FIGURES 2–29. Hippodonta mudumalaiensis sp. nov., LM (DIC) from the type material (AHMA #1752). 2–29. Showing the valve variability of the population. Fig. 22 represents the holotype. Scale bar = 10μm." captionText-1="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." captionText-2="FIGURES 35–39. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), internal views. 35, 36. Views of the entire valve. 37, 38. Inner central area. 39. view of valve apex end with helictoglossa. Scale bars = 1 μm (Figs 35–39)." figureDoi-0="http://doi.org/10.5281/zenodo.7002987" figureDoi-1="http://doi.org/10.5281/zenodo.7002991" figureDoi-2="http://doi.org/10.5281/zenodo.7002993" httpUri-0="https://zenodo.org/record/7002987/files/figure.png" httpUri-1="https://zenodo.org/record/7002991/files/figure.png" httpUri-2="https://zenodo.org/record/7002993/files/figure.png" pageId="3" pageNumber="222">Figs 2–39</figureCitation>
,
<figureCitation id="137953F1FF819914FB1DFCA486C9CD02" box="[1168,1258,788,814]" captionStart="FIGURES 2–29" captionStartId="3.[136,243,1464,1486]" captionTargetBox="[151,1436,875,1439]" captionTargetId="figure-168@3.[151,1436,875,1439]" captionTargetPageId="3" captionText="FIGURES 2–29. Hippodonta mudumalaiensis sp. nov., LM (DIC) from the type material (AHMA #1752). 2–29. Showing the valve variability of the population. Fig. 22 represents the holotype. Scale bar = 10μm." figureDoi="http://doi.org/10.5281/zenodo.7002987" httpUri="https://zenodo.org/record/7002987/files/figure.png" pageId="3" pageNumber="222">Fig. 22</figureCitation>
represents the
<typeStatus id="54F9F1D6FF819914FF05FC8882D3CD7E" box="[136,240,824,850]" pageId="3" pageNumber="222" type="holotype">holotype</typeStatus>
)
</emphasis>
</heading>
</paragraph>
</subSubSection>
<caption id="DF3D1FFCFF819914FF05FA0881A5CBDF" ID-DOI="http://doi.org/10.5281/zenodo.7002987" ID-Zenodo-Dep="7002987" httpUri="https://zenodo.org/record/7002987/files/figure.png" pageId="3" pageNumber="222" startId="3.[136,243,1464,1486]" targetBox="[151,1436,875,1439]" targetPageId="3">
<paragraph id="8BFD4F74FF819914FF05FA0881A5CBDF" blockId="3.[136,1451,1464,1523]" pageId="3" pageNumber="222">
<emphasis id="B9369366FF819914FF05FA088312CBE2" bold="true" box="[136,305,1464,1486]" pageId="3" pageNumber="222">FIGURES 2–29.</emphasis>
<emphasis id="B9369366FF819914FEB7FA098085CBE2" box="[314,678,1465,1486]" italics="true" pageId="3" pageNumber="222">
<taxonomicName id="4C4234F7FF819914FEB7FA098071CBE2" authority="Vigneshwaran &amp; Wadmare &amp; Karthick, 2022" authorityName="Vigneshwaran &amp; Wadmare &amp; Karthick" authorityYear="2022" box="[314,594,1465,1486]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="222" phylum="Ochrophyta" rank="species" species="mudumalaiensis" status="sp. nov.">Hippodonta mudumalaiensis</taxonomicName>
<taxonomicNameLabel id="A2052E1DFF819914FDD7FA098085CBE2" box="[602,678,1465,1486]" pageId="3" pageNumber="222" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, LM (DIC) from the type material (AHMA #1752). 2–29. Showing the valve variability of the population. Fig. 22 represents the holotype. Scale bar = 10μm.
</paragraph>
</caption>
<subSubSection id="C3581CFFFF819913FF05F99180F2C923" lastPageId="4" lastPageNumber="223" pageId="3" pageNumber="222" type="description">
<paragraph id="8BFD4F74FF819914FF05F991803CC970" blockId="3.[136,1452,1569,2064]" pageId="3" pageNumber="222">
<emphasis id="B9369366FF819914FF05F991831BC817" bold="true" box="[136,312,1569,1595]" pageId="3" pageNumber="222">Description:—</emphasis>
LM (
<figureCitation id="137953F1FF819914FEFCF99183C4C817" box="[369,487,1569,1595]" captionStart="FIGURES 2–29" captionStartId="3.[136,243,1464,1486]" captionTargetBox="[151,1436,875,1439]" captionTargetId="figure-168@3.[151,1436,875,1439]" captionTargetPageId="3" captionText="FIGURES 2–29. Hippodonta mudumalaiensis sp. nov., LM (DIC) from the type material (AHMA #1752). 2–29. Showing the valve variability of the population. Fig. 22 represents the holotype. Scale bar = 10μm." figureDoi="http://doi.org/10.5281/zenodo.7002987" httpUri="https://zenodo.org/record/7002987/files/figure.png" pageId="3" pageNumber="222">Figs 2–29</figureCitation>
): Cells solitary, valves narrow-lanceolate to rhombic-lanceolate with broadly rounded apices. Valve length 13.0–20.0 μm, width 5.0–6.2 μm (n=67). Axial area narrow-linear, tilted, slightly asymmetric to the apical axis. Central area broadened with short single striae, shorter striae present at any one side; Striae radiate near centre and parallel near apices; no fascia is formed. Raphe linear-filiform, weakly pronounced, small teardrop-shaped and closely spaced central endings. Distal ends of raphe discernible in LM, equally pronounced as central endings, teardrop-shaped. Raphe distal ends positioned before terminal area or weakly advancing into slightly curved towards valve side. Terminal area distinguishable in LM, narrow, lunate and cap-like. Striae coarse, evenly spaced throughout valve, weakly to moderately radiate in the middle, becoming parallel or weakly convergent towards ends, 10–12/10 μm. Lineolae not discernible in LM.
</paragraph>
<paragraph id="8BFD4F74FF819913FF30F8D58610CF2C" blockId="3.[136,1452,1569,2064]" lastBlockId="4.[136,1451,158,257]" lastPageId="4" lastPageNumber="223" pageId="3" pageNumber="222">
SEM (
<figureCitation id="137953F1FF819914FE8BF8D583A8C953" box="[262,395,1893,1919]" captionStart-0="FIGURES 30–34" captionStart-1="FIGURES 35–39" captionStartId-0="4.[136,243,1568,1590]" captionStartId-1="6.[136,243,1280,1302]" captionTargetBox-0="[151,1436,281,1544]" captionTargetBox-1="[151,1436,190,1256]" captionTargetId-0="figure-79@4.[151,1436,281,1544]" captionTargetId-1="figure-33@6.[151,1436,190,1256]" captionTargetPageId-0="4" captionTargetPageId-1="6" captionText-0="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." captionText-1="FIGURES 35–39. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), internal views. 35, 36. Views of the entire valve. 37, 38. Inner central area. 39. view of valve apex end with helictoglossa. Scale bars = 1 μm (Figs 35–39)." figureDoi-0="http://doi.org/10.5281/zenodo.7002991" figureDoi-1="http://doi.org/10.5281/zenodo.7002993" httpUri-0="https://zenodo.org/record/7002991/files/figure.png" httpUri-1="https://zenodo.org/record/7002993/files/figure.png" pageId="3" pageNumber="222">Figs 30–39</figureCitation>
): Externally (
<figureCitation id="137953F1FF819914FDAEF8D58085C953" box="[547,678,1893,1919]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="3" pageNumber="222">Figs 30–34</figureCitation>
), valves with flat face and slightly convex central area (
<figureCitation id="137953F1FF819914FA91F8D587BCC953" box="[1308,1439,1893,1919]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="3" pageNumber="222">Figs 30–32</figureCitation>
). Axial area slightly asymmetric (
<figureCitation id="137953F1FF819914FE72F839807BC98F" box="[511,600,1929,1955]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="3" pageNumber="222">Fig. 30</figureCitation>
). Proximal raphe endings strongly pronounced, teardrop-shaped and bent towards same side as distal ends (
<figureCitation id="137953F1FF819914FD95F81D8081C9EB" box="[536,674,1965,1991]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="3" pageNumber="222">Figs 31, 32</figureCitation>
). Terminal pores of raphe distinct, advancing towards the terminal area and deflected towards one valve side (
<figureCitation id="137953F1FF819914FD09F861812CC9C7" box="[644,783,2001,2027]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="3" pageNumber="222">Figs 33, 34</figureCitation>
). Terminal septa clearly developed and bordered by semi circumpolar (
<figureCitation id="137953F1FF819914FEAFF845838EC623" box="[290,429,2037,2063]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="3" pageNumber="222">Figs 33, 34</figureCitation>
). Slit-like elongated areolae positioned on apical valve mantle,
<quantity id="4CBAE291FF819914FB17F8458722C623" box="[1178,1281,2037,2064]" metricMagnitude="0" metricUnit="m" metricValue="1.143" metricValueMax="1.27" metricValueMin="1.016" pageId="3" pageNumber="222" unit="in" value="45.0" valueMax="50.0" valueMin="40.0">40–50 in</quantity>
10 μm. Striae uniseriate throughout valve, simple apically elongated lineolate, 50–60/10 μm. Rarely near central area transapically elongated lineolate areolae (
<figureCitation id="137953F1FF869913FE45FF72803DCEF0" box="[456,542,194,220]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="4" pageNumber="223">Fig. 32</figureCitation>
). Striae in the central area clearly shortened, one side longer than the other side (
<figureCitation id="137953F1FF869913FF1DFF568330CF2C" box="[144,275,230,256]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="4" pageNumber="223">Figs 30, 32</figureCitation>
). Prominent hyaline area present throughout the valve mantle (
<figureCitation id="137953F1FF869913FC5EFF568605CF2C" box="[979,1062,230,256]" captionStart="FIGURES 30–34" captionStartId="4.[136,243,1568,1590]" captionTargetBox="[151,1436,281,1544]" captionTargetId="figure-79@4.[151,1436,281,1544]" captionTargetPageId="4" captionText="FIGURES 30–34. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34)." figureDoi="http://doi.org/10.5281/zenodo.7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="4" pageNumber="223">Fig. 31</figureCitation>
).
</paragraph>
<caption id="DF3D1FFCFF869913FF05F99081EDC876" ID-DOI="http://doi.org/10.5281/zenodo.7002991" ID-Zenodo-Dep="7002991" httpUri="https://zenodo.org/record/7002991/files/figure.png" pageId="4" pageNumber="223" startId="4.[136,243,1568,1590]" targetBox="[151,1436,281,1544]" targetPageId="4">
<paragraph id="8BFD4F74FF869913FF05F99081EDC876" blockId="4.[136,1451,1568,1626]" pageId="4" pageNumber="223">
<emphasis id="B9369366FF869913FF05F9908318C819" bold="true" box="[136,315,1568,1590]" pageId="4" pageNumber="223">FIGURES 30–34.</emphasis>
<emphasis id="B9369366FF869913FECFF990808AC81A" box="[322,681,1568,1590]" italics="true" pageId="4" pageNumber="223">
<taxonomicName id="4C4234F7FF869913FECFF990807BC819" authority="Vigneshwaran &amp; Wadmare &amp; Karthick, 2022" authorityName="Vigneshwaran &amp; Wadmare &amp; Karthick" authorityYear="2022" box="[322,600,1568,1589]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="223" phylum="Ochrophyta" rank="species" species="mudumalaiensis" status="sp. nov.">Hippodonta mudumalaiensis</taxonomicName>
<taxonomicNameLabel id="A2052E1DFF869913FDD3F991808AC81A" box="[606,681,1569,1590]" pageId="4" pageNumber="223" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, SEM from the type material (AHMA #1405), external views. 30, 31. Views of the entire valve. 32. Central area. 33, 34. Valve apices. Scale bars = 1 μm (Figs 30–34).
</paragraph>
</caption>
<paragraph id="8BFD4F74FF869913FF30F93980F2C923" blockId="4.[136,1452,1673,2059]" pageId="4" pageNumber="223">
Internally (
<figureCitation id="137953F1FF869913FEB6F939839CC888" box="[315,447,1673,1700]" captionStart="FIGURES 35–39" captionStartId="6.[136,243,1280,1302]" captionTargetBox="[151,1436,190,1256]" captionTargetId="figure-33@6.[151,1436,190,1256]" captionTargetPageId="6" captionText="FIGURES 35–39. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), internal views. 35, 36. Views of the entire valve. 37, 38. Inner central area. 39. view of valve apex end with helictoglossa. Scale bars = 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7002993" httpUri="https://zenodo.org/record/7002993/files/figure.png" pageId="4" pageNumber="223">Figs 35–39</figureCitation>
), striae placed in shallow linear depressions. Areolae covered by hymens. Central raphe endings simple, linear and gradually disappear (
<figureCitation id="137953F1FF869913FD21F91D8121C8EB" box="[684,770,1709,1735]" captionStart="FIGURES 35–39" captionStartId="6.[136,243,1280,1302]" captionTargetBox="[151,1436,190,1256]" captionTargetId="figure-33@6.[151,1436,190,1256]" captionTargetPageId="6" captionText="FIGURES 35–39. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), internal views. 35, 36. Views of the entire valve. 37, 38. Inner central area. 39. view of valve apex end with helictoglossa. Scale bars = 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7002993" httpUri="https://zenodo.org/record/7002993/files/figure.png" pageId="4" pageNumber="223">Fig. 38</figureCitation>
). Small wedge-shaped hyaline area present at centre. Distal raphe endings terminate on small defused helictoglossae (
<figureCitation id="137953F1FF869913FCACF96181F6C8C7" box="[801,981,1745,1772]" captionStart="FIGURES 35–39" captionStartId="6.[136,243,1280,1302]" captionTargetBox="[151,1436,190,1256]" captionTargetId="figure-33@6.[151,1436,190,1256]" captionTargetPageId="6" captionText="FIGURES 35–39. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), internal views. 35, 36. Views of the entire valve. 37, 38. Inner central area. 39. view of valve apex end with helictoglossa. Scale bars = 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7002993" httpUri="https://zenodo.org/record/7002993/files/figure.png" pageId="4" pageNumber="223">Figs 35, 36, 39</figureCitation>
). Terminal area internally prominent and bordered by hymenated linear depressions (
<figureCitation id="137953F1FF869913FDFDF94580E6C923" box="[624,709,1781,1807]" captionStart="FIGURES 35–39" captionStartId="6.[136,243,1280,1302]" captionTargetBox="[151,1436,190,1256]" captionTargetId="figure-33@6.[151,1436,190,1256]" captionTargetPageId="6" captionText="FIGURES 35–39. Hippodonta mudumalaiensis sp. nov., SEM from the type material (AHMA #1405), internal views. 35, 36. Views of the entire valve. 37, 38. Inner central area. 39. view of valve apex end with helictoglossa. Scale bars = 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7002993" httpUri="https://zenodo.org/record/7002993/files/figure.png" pageId="4" pageNumber="223">Fig. 39</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3581CFFFF869913FF30F8A9875FC974" pageId="4" pageNumber="223" type="materials_examined">
<paragraph id="8BFD4F74FF869913FF30F8A9875FC974" blockId="4.[136,1452,1673,2059]" pageId="4" pageNumber="223">
<emphasis id="B9369366FF869913FF30F8A9833DC91F" bold="true" box="[189,286,1817,1843]" pageId="4" pageNumber="223">Type:—</emphasis>
<materialsCitation id="3B2A4529FF869913FE90F8A9875BC974" ID-GBIF-Occurrence="3889721301" collectionCode="AHMA" collectorName="Mr. Kannan Govindarajan." country="India" county="Masinagudi" elevation="940" latitude="11.5541115" location="Stream" longLatPrecision="1" longitude="76.622665" municipality="Nilgiris" pageId="4" pageNumber="223" specimenCode="AHMA #1752" specimenCount="1" stateProvince="Tamil Nadu" typeStatus="holotype">
<collectingCountry id="F3550FE4FF869913FE90F8A98353C91F" box="[285,368,1817,1843]" name="India" pageId="4" pageNumber="223">INDIA</collectingCountry>
.
<collectingCounty id="629C37F8FF869913FEF4F8A98023C91F" box="[377,512,1817,1843]" pageId="4" pageNumber="223">Masinagudi</collectingCounty>
,
<collectingMunicipality id="6B99D50EFF869913FD84F8A98042C91F" box="[521,609,1817,1843]" pageId="4" pageNumber="223">Nilgiris</collectingMunicipality>
,
<collectingRegion id="49868196FF869913FDE6F8A980D2C91F" box="[619,753,1817,1843]" country="India" name="Tamil Nadu" pageId="4" pageNumber="223">Tamil Nadu</collectingRegion>
.
<location id="8E9D19AFFF869913FD77F8A9816FC91F" LSID="urn:lsid:plazi:treatment:03EBFE62FF819913FF05FCA48379C627:8E9D19AFFF869913FD77F8A9816FC91F" box="[762,844,1817,1843]" country="India" county="Masinagudi" latitude="11.5541115" longLatPrecision="1" longitude="76.622665" municipality="Nilgiris" name="Stream" pageId="4" pageNumber="223" stateProvince="Tamil Nadu">Stream</location>
,
<geoCoordinate id="EE7629B3FF869913FCD8F8A981D8C91F" box="[853,1019,1817,1843]" degrees="11" direction="north" minutes="33" orientation="latitude" pageId="4" pageNumber="223" precision="1" seconds="14.8" value="11.5541115">11°33’14.8” N</geoCoordinate>
,
<geoCoordinate id="EE7629B3FF869913FB89F8A98685C91F" box="[1028,1190,1817,1843]" degrees="76" direction="east" minutes="37" orientation="longitude" pageId="4" pageNumber="223" precision="1" seconds="21.6" value="76.622665">76°37’21.6” E</geoCoordinate>
, altitude
<elevation id="006FA847FF869913FA87F8A98755C91F" box="[1290,1398,1817,1843]" metricMagnitude="2" metricUnit="m" metricValue="9.4" pageId="4" pageNumber="223" unit="m" value="940.0">
<quantity id="4CBAE291FF869913FA87F8A9876CC91F" box="[1290,1359,1817,1843]" metricMagnitude="2" metricUnit="m" metricValue="9.4" pageId="4" pageNumber="223" unit="m" value="940.0">940 m</quantity>
asl
</elevation>
, was collected by
<collectorName id="26B72AA2FF869913FE9AF88E8068C97B" box="[279,587,1853,1879]" pageId="4" pageNumber="223">
<emphasis id="B9369366FF869913FE9AF88E831AC97B" box="[279,313,1854,1879]" italics="true" pageId="4" pageNumber="223">Mr</emphasis>
.
<emphasis id="B9369366FF869913FECAF88E8067C97B" box="[327,580,1853,1879]" italics="true" pageId="4" pageNumber="223">Kannan Govindarajan</emphasis>
.
</collectorName>
(
<typeStatus id="54F9F1D6FF869913FDD7F88D809DC97B" box="[602,702,1853,1879]" pageId="4" pageNumber="223" type="holotype">holotype</typeStatus>
<collectionCode id="ED53D7B1FF869913FD4EF88D813CC97B" box="[707,799,1853,1879]" 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="4" pageNumber="223" type="Herbarium">AHMA</collectionCode>
! Slide #1752 =
<figureCitation id="137953F1FF869913FC40F88D8603C97B" box="[973,1056,1853,1879]" captionStart="FIGURES 2–29" captionStartId="3.[136,243,1464,1486]" captionTargetBox="[151,1436,875,1439]" captionTargetId="figure-168@3.[151,1436,875,1439]" captionTargetPageId="3" captionText="FIGURES 2–29. Hippodonta mudumalaiensis sp. nov., LM (DIC) from the type material (AHMA #1752). 2–29. Showing the valve variability of the population. Fig. 22 represents the holotype. Scale bar = 10μm." figureDoi="http://doi.org/10.5281/zenodo.7002987" httpUri="https://zenodo.org/record/7002987/files/figure.png" pageId="4" pageNumber="223">Fig. 22</figureCitation>
). Type material
<specimenCode id="DBE4E70FFF869913FB59F88D875BC974" box="[1236,1400,1853,1880]" collectionCode="AHMA" 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="4" pageNumber="223" type="Herbarium">AHMA #1752</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C3581CFFFF869913FF30F8D18055C9EF" pageId="4" pageNumber="223" type="biology_ecology">
<paragraph id="8BFD4F74FF869913FF30F8D18055C9EF" blockId="4.[136,1452,1673,2059]" pageId="4" pageNumber="223">
<emphasis id="B9369366FF869913FF30F8D1831DC957" bold="true" box="[189,318,1889,1915]" pageId="4" pageNumber="223">Habitat:—</emphasis>
Epilithic, submerged stones in the stream. Water chemistry measurements includes pH of 7.35, nitrate (low range, NO
<subScript id="17C64D31FF869913FEB9F827831FC989" attach="left" box="[308,316,1943,1957]" fontSize="6" pageId="4" pageNumber="223">3</subScript>
<superScript id="7C37E23CFF869913FEB0F8358366C9BF" attach="right" box="[317,325,1925,1939]" fontSize="6" pageId="4" pageNumber="223">–</superScript>
)
<quantity id="4CBAE291FF869913FED9F835838DC9B3" box="[340,430,1925,1951]" metricMagnitude="-8" metricUnit="kg" metricValue="3.0" pageId="4" pageNumber="223" unit="mg" value="0.03">0.03 mg</quantity>
∙L-
<superScript id="7C37E23CFF869913FE40F83583F7C9BF" attach="right" box="[461,468,1925,1939]" fontSize="6" pageId="4" pageNumber="223">1</superScript>
; dissolved oxygen (DO)
<quantity id="4CBAE291FF869913FD67F8358167C9B3" box="[746,836,1925,1951]" metricMagnitude="-6" metricUnit="kg" metricValue="6.84" pageId="4" pageNumber="223" unit="mg" value="6.84">6.84 mg</quantity>
∙L-
<superScript id="7C37E23CFF869913FCEEF8358149C9BF" attach="right" box="[867,874,1925,1939]" fontSize="6" pageId="4" pageNumber="223">1</superScript>
; conductivity: 635 μS∙
<superScript id="7C37E23CFF869913FBE9F83586B5C9BF" attach="left" box="[1124,1174,1925,1951]" fontSize="6" pageId="4" pageNumber="223">cm-1</superScript>
; water temperature: 23.6 °C, total dissolved solids (TDS)
<quantity id="4CBAE291FF869913FE79F819806AC9EF" box="[500,585,1961,1987]" metricMagnitude="-4" metricUnit="kg" metricValue="2.76" pageId="4" pageNumber="223" unit="mg" value="276.0">276 mg</quantity>
∙L-
<superScript id="7C37E23CFF869913FDE5F819804CC99B" attach="right" box="[616,623,1961,1975]" fontSize="6" pageId="4" pageNumber="223">1</superScript>
.
</paragraph>
</subSubSection>
<subSubSection id="C3581CFFFF869913FF30F87D8379C627" pageId="4" pageNumber="223" type="etymology">
<paragraph id="8BFD4F74FF869913FF30F87D8379C627" blockId="4.[136,1452,1673,2059]" pageId="4" pageNumber="223">
<emphasis id="B9369366FF869913FF30F87D8347C9CB" bold="true" box="[189,356,1997,2023]" pageId="4" pageNumber="223">Etymology:—</emphasis>
The specific epithet “
<taxonomicName id="4C4234F7FF869913FDD3F87D8137C9CB" authorityName="Vigneshwaran &amp; Wadmare &amp; Karthick" authorityYear="2022" box="[606,788,1997,2023]" class="Bacillariophyceae" family="Naviculaceae" genus="Hippodonta" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="223" phylum="Ochrophyta" rank="species" species="mudumalaiensis">
<emphasis id="B9369366FF869913FDD3F87D8137C9CB" box="[606,788,1997,2023]" italics="true" pageId="4" pageNumber="223">mudumalaiensis</emphasis>
</taxonomicName>
” refers to the name of the location from which this new taxon is identified.
</paragraph>
</subSubSection>
</treatment>
</document>
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