treatments-xml/data/03/83/87/038387FD604DFFDE0DE6FAFAFEF88AED.xml

<document id="F6FA6C6C064787095ABA29C6B891A1AF" ID-CLB-Dataset="6188" ID-DOI="10.11646/phytotaxa.27.1.5" ID-GBIF-Dataset="d9642ee7-5e4f-419d-b292-dca06da2a86e" ID-ISSN="1179-3163" ID-Zenodo-Dep="4894204" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1622647721237" checkinUser="felipe" docAuthor="Kopalová, Kateŕina, Nedbalová, Linda, Haan, Myriam De &amp; Vijver, Bart Van De" docDate="2011" docId="038387FD604DFFDE0DE6FAFAFEF88AED" docLanguage="en" docName="Phytotaxa.27.44-60.pdf.imf" docOrigin="Phytotaxa 27" docSource="http://biotaxa.org/Phytotaxa/article/view/phytotaxa.27.1.5" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Luticola doliiformis Kopalova &amp; Van de Vijver 2011, sp. nov." docType="treatment" docVersion="9" lastPageNumber="50" masterDocId="FFBAFF856048FFD90D71FF97FFF9881B" masterDocTitle="Description of five new species of the diatom genus Luticola (Bacillariophyta, Diadesmidaceae) found in lakes of James Ross Island (Maritime Antarctic Region)" masterLastPageNumber="60" masterPageNumber="44" pageNumber="49" updateTime="1698998180231" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="2307D2027CA1EDFD37B8161D6FF6C86D">Description of five new species of the diatom genus Luticola (Bacillariophyta, Diadesmidaceae) found in lakes of James Ross Island (Maritime Antarctic Region)</mods:title>
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<mods:namePart id="F782D4E530760440F1B049993361D0D1">Kopalová, Kateŕina</mods:namePart>
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<mods:namePart id="161AC0000FF9CEF127A8F8CA9EE80AF8">Nedbalová, Linda</mods:namePart>
<mods:affiliation id="09C3719D66C845203170F42392F44A66">Academy of Sciences of the Czech Republic, Institute of Botany, Section of Plant Ecology, Dukelská 135, CZ- 37982 T ebo, Czech Republic, E-mail: lindane @ natur. cuni. cz</mods:affiliation>
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<mods:namePart id="D78652413B3FBB2CB065BD7C75EB6B4E">Haan, Myriam De</mods:namePart>
<mods:affiliation id="89EFE515165DD0E028B7F4D44ABE1573">National Botanic Garden of Belgium, Department of Bryophyta &amp; Thallophyta, Domein van Bouchout, B- 1860 Belgium.</mods:affiliation>
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<mods:namePart id="0015B715C34BFD3D6E719F02CE018D93">Vijver, Bart Van De</mods:namePart>
<mods:affiliation id="D526BA437F0A5BF70532ACB42E771FA6">National Botanic Garden of Belgium, Department of Bryophyta &amp; Thallophyta, Domein van Bouchout, B- 1860 Belgium.</mods:affiliation>
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<taxonomicName id="4C2A4D68604DFFDC0DE6FAFAFD2D8D9C" authority="Kopalova &amp; Van de Vijver" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[151,724,1389,1415]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="49" phylum="Bacillariophyta" rank="species" species="doliiformis" status="sp. nov.">
<emphasis id="B95EEAF9604DFFDC0DE6FAFAFE7B8D9C" bold="true" box="[151,386,1389,1415]" italics="true" pageId="5" pageNumber="49">Luticola doliiformis</emphasis>
Kopalová &amp; Van de Vijver
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, 
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<taxonomicNameLabel id="A26D5782604DFFDC0F90FAFAFCC28D9C" box="[737,827,1389,1415]" pageId="5" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
(
<figureCitation id="13112A6E604DFFDC0E3BFAFAFC378D9C" box="[842,974,1389,1415]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="5" pageNumber="49">Figs 14–28</figureCitation>
)
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Valvae lanceolatae marginibus convexis, apicibusque capitatis. Longitudo 
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, latitudo 
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. Area axialis lata, lanceolata, clare dilatata in aream centralem, leviterque dilatata in apices. Area centralis formans staurum rectangularem, marginatum serie una areolarum rotundatatrum. Stigma solitaria rotundata prope marginem valvae adest. Raphe filiformis, clare curvata, terminationibus proximalibus unilateraliter deflexis, fissurisque distalibus curtis, rectis. Striae transapicales radiatae in centro valvae, convergentes ad apices, 
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. Areolae parvae, semper rotundae, 2-3 per striam.
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: 
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<materialsCitation id="3B423CB6604DFFDC0D80F9EDFC838ECA" ID-GBIF-Occurrence="3128526302" collectingDate="2008-01-27" collectionCode="BR, BRM" collectorName="L. Nedbalova" country="Antarctica" location="James Ross Island" municipality="University of Antwerp" pageId="5" pageNumber="49" specimenCount="2" typeStatus="holotype">
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. 
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, sample D07, leg. 
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, coll. date 
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, slide no. BR-4250 (
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, 
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is the encircled 
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specimen), slide PLP-195 (isotype 
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, Belgium), BRM-ZU8/07 (isotype 
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.
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Valves lanceolate with convex margins and capitate apices (
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). Valve length 
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, valve width 
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(n=15). Axial area broad, lanceolate, clearly widening towards central area, only slightly widening towards apices (
<figureCitation id="13112A6E604DFFDC0C26F8D9FE498F73" box="[343,432,1870,1896]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="5" pageNumber="49">Fig. 25</figureCitation>
). Central area forming a broad, rectangular stauros, bordered by one series of small, rounded areolae (
<figureCitation id="13112A6E604DFFDC0C1EF8E2FE348F94" box="[367,461,1909,1935]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="5" pageNumber="49">Fig. 27</figureCitation>
). One small, solitary, rounded stigma present, close to valve margin (
<figureCitation id="13112A6E604DFFDC0841F8E2FA748F94" box="[1328,1421,1909,1935]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="5" pageNumber="49">Fig. 27</figureCitation>
). External raphe branches clearly curved, with weakly unilaterally deflected, simple proximal endings away from stigma (
<figureCitation id="13112A6E604DFFDC0C47F855FE778FC7" box="[310,398,1986,2012]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="5" pageNumber="49">Fig. 27</figureCitation>
). Distal raphe fissures very short, straight (
<figureCitation id="13112A6E604DFFDC0EF9F855FC198FC7" box="[904,992,1986,2012]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="5" pageNumber="49">Fig. 28</figureCitation>
). Transapical striae radiate near valve centre becoming convergent towards apices, 
<quantity id="4CD29B0E604EFFDF0FD9FF0FFCE988A9" box="[680,784,152,178]" metricMagnitude="-1" metricUnit="m" metricValue="4.826" metricValueMax="5.08" metricValueMin="4.572" pageId="6" pageNumber="50" unit="in" value="19.0" valueMax="20.0" valueMin="18.0">18–20 in</quantity>
<quantity id="4CD29B0E604EFFDF0E66FF0FFC9C88A9" box="[791,869,152,178]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="50" unit="mm" value="10.0">10 µm</quantity>
(
<figureCitation id="13112A6E604EFFDF0E04FF0FFC3488A9" box="[885,973,152,178]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="6" pageNumber="50">Fig. 25</figureCitation>
). Striae composed of 2-3 small, always rounded areolae (
<figureCitation id="13112A6E604EFFDF0C14FF29FE4788C3" box="[357,446,190,216]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="6" pageNumber="50">Fig. 25</figureCitation>
). Internal structure hardly visible since only one valve was found (
<figureCitation id="13112A6E604EFFDF09A7FF29FAD688C3" box="[1238,1327,190,216]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="6" pageNumber="50">Fig. 26</figureCitation>
). Clearly developed stauros present. Detail of internal stigma opening obscured by debris. Proximal raphe endings terminating on edge of stauros.
</paragraph>
<caption id="DF556663604EFFDF0DE6FA24FB418E4E" ID-DOI="http://doi.org/10.5281/zenodo.4894218" ID-Zenodo-Dep="4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="6" pageNumber="50" startId="6.[151,276,1459,1483]" targetBox="[151,1436,351,1415]" targetPageId="6">
<paragraph id="8B9536EB604EFFDF0DE6FA24FCDC8E29" blockId="6.[151,1436,1459,1621]" pageId="6" pageNumber="50">
<emphasis id="B95EEAF9604EFFDF0DE6FA24FE958DD0" bold="true" box="[151,364,1459,1483]" pageId="6" pageNumber="50">FIGURES 14–28.</emphasis>
<taxonomicName id="4C2A4D68604EFFDF0C07FA24FC5B8DD1" authority="Kopalova &amp; Van de Vijver" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[374,930,1459,1482]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="doliiformis" status="sp. nov.">
<emphasis id="B95EEAF9604EFFDF0C07FA24FD998DD1" box="[374,608,1459,1482]" italics="true" pageId="6" pageNumber="50">Luticola doliiformis</emphasis>
Kopalová &amp; Van de Vijver
</taxonomicName>
<emphasis id="B95EEAF9604EFFDF0EDDFA24FBFC8DD1" box="[940,1029,1459,1482]" italics="true" pageId="6" pageNumber="50">
<taxonomicNameLabel id="A26D5782604EFFDF0EDDFA24FBFC8DD1" box="[940,1029,1459,1482]" pageId="6" pageNumber="50" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. 
<emphasis id="B95EEAF9604EFFDF0E50FA42FC5E8DF6" bold="true" box="[801,935,1493,1517]" pageId="6" pageNumber="50">Figs 14–24.</emphasis>
LM of size diminution series (Fig. 20 is the holotype). 
<emphasis id="B95EEAF9604EFFDF0C7AFA6FFEA68E0B" bold="true" box="[267,351,1528,1552]" pageId="6" pageNumber="50">Fig. 25.</emphasis>
SEM of external valve view. 
<emphasis id="B95EEAF9604EFFDF0FEEFA6FFD0A8E0B" bold="true" box="[671,755,1528,1552]" pageId="6" pageNumber="50">Fig. 26.</emphasis>
SEM of Internal valve view. 
<emphasis id="B95EEAF9604EFFDF0941FA6FFB7D8E0B" bold="true" box="[1072,1156,1528,1552]" pageId="6" pageNumber="50">Fig. 27.</emphasis>
SEM of external detail of central area 
<emphasis id="B95EEAF9604EFFDF0C68F98CFE948E28" bold="true" box="[281,365,1563,1587]" pageId="6" pageNumber="50">Fig. 28.</emphasis>
SEM of external detail of raphe endings.
</paragraph>
<paragraph id="8B9536EB604EFFDF0DE6F9A9FB418E4E" blockId="6.[151,1436,1459,1621]" box="[151,1208,1598,1621]" pageId="6" pageNumber="50">LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm.</paragraph>
</caption>
<paragraph id="8B9536EB604EFFDF0DB7F91FFDD38F0C" blockId="6.[151,1436,1672,2008]" pageId="6" pageNumber="50">
<emphasis id="B95EEAF9604EFFDF0DB7F91FFD608EB9" bold="true" box="[198,665,1672,1698]" pageId="6" pageNumber="50">Habitat, Ecology and Distribution:—</emphasis>
<taxonomicName id="4C2A4D68604EFFDF0FE8F91EFC7A8EB9" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[665,899,1673,1698]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604EFFDF0FE8F91EFC7A8EB9" box="[665,899,1673,1698]" italics="true" pageId="6" pageNumber="50">Luticola doliiformis</emphasis>
</taxonomicName>
was found in small cracks on wet soil on the table mountain Lachman Crags close to the glacier front. The sample was dominated by 
<taxonomicName id="4C2A4D68604EFFDF09ABF927FA6D8ED2" authorityName="D.G. Mann" authorityYear="1990" baseAuthorityName="Hilse" box="[1242,1428,1712,1737]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="cohnii">
<emphasis id="B95EEAF9604EFFDF09ABF927FA6D8ED2" box="[1242,1428,1712,1737]" italics="true" pageId="6" pageNumber="50">Luticola cohnii</emphasis>
</taxonomicName>
, 
<taxonomicName id="4C2A4D68604EFFDF0DE6F941FCAF8EEB" authority="(Ehrenberg 1843: 413) Grunow" authorityName="Grunow" baseAuthorityName="Ehrenberg" baseAuthorityPageNumber="413" baseAuthorityYear="1843" box="[151,854,1750,1776]" class="Eurotiomycetes" genus="Hantzschia" higherTaxonomySource="CoL" kingdom="Fungi" order="Eurotiales" pageId="6" pageNumber="50" phylum="Ascomycota" rank="species" species="amphioxys">
<emphasis id="B95EEAF9604EFFDF0DE6F941FE4E8EF4" box="[151,439,1750,1775]" italics="true" pageId="6" pageNumber="50">Hantzschia amphioxys</emphasis>
(
<bibRefCitation id="EFBB4B1A604EFFDF0CBBF941FD248EEB" author="Ehrenberg, C. G." box="[458,733,1750,1776]" pageId="6" pageNumber="50" pagination="291 - 445" refId="ref8745" refString="Ehrenberg, C. G. (1843) Verbreitung und Einfluss des mikroskopischen Lebens in Sud-und Nord-Amerika. Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin 1841: 291 - 445." type="journal article" year="1843">Ehrenberg 1843: 413</bibRefCitation>
) Grunow
</taxonomicName>
(in 
<bibRefCitation id="EFBB4B1A604EFFDF0EFEF941FB0F8EEB" author="Cleve, P. T. &amp; Grunow, A." box="[911,1270,1750,1776]" pageId="6" pageNumber="50" pagination="1 - 121" refId="ref8631" refString="Cleve, P. T. &amp; Grunow, A. (1880) Beitrage zur Kenntniss der Arctischen Diatomeen. Kongliga Svenska-Vetenskaps Akademiens Handlingar 17 (2): 1 - 121." type="journal article" year="1880">Cleve &amp; Grunow 1880: 103</bibRefCitation>
) and several unidentified species of 
<taxonomicName id="4C2A4D68604EFFDF0CD6F96AFDDA8F0D" authorityName="F.T.Kutzing" authorityYear="1844" box="[423,547,1789,1814]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Diadesmis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="genus">
<emphasis id="B95EEAF9604EFFDF0CD6F96AFDDA8F0D" box="[423,547,1789,1814]" italics="true" pageId="6" pageNumber="50">Diadesmis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3306560604EFFDE0DB7F8B4FEF88AED" lastPageId="7" lastPageNumber="51" pageId="6" pageNumber="50" type="etymology">
<paragraph id="8B9536EB604EFFDF0DB7F8B4FE9E8F7F" blockId="6.[151,1436,1672,2008]" pageId="6" pageNumber="50">
<emphasis id="B95EEAF9604EFFDF0DB7F8B4FEB48F26" bold="true" box="[198,333,1827,1853]" pageId="6" pageNumber="50">Etymology</emphasis>
: 
<emphasis id="B95EEAF9604EFFDF0C24F8B4FE8B8F26" bold="true" box="[341,370,1827,1853]" pageId="6" pageNumber="50">—</emphasis>
This specific epithet 
<taxonomicName id="4C2A4D68604EFFDF0F1CF8B3FD148F26" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[621,749,1828,1853]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604EFFDF0F1CF8B3FD148F26" box="[621,749,1828,1853]" italics="true" pageId="6" pageNumber="50">doliiformis</emphasis>
</taxonomicName>
refers to its close resemblance to 
<taxonomicName id="4C2A4D68604EFFDF09F9F8B3FB1C8F26" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[1160,1253,1828,1853]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604EFFDF09F9F8B3FB1C8F26" box="[1160,1253,1828,1853]" italics="true" pageId="6" pageNumber="50">L. dolia</emphasis>
</taxonomicName>
(- 
<emphasis id="B95EEAF9604EFFDF0873F8B3FAB48F26" box="[1282,1357,1828,1853]" italics="true" pageId="6" pageNumber="50">formis</emphasis>
: Latin for ‘resembling’).
</paragraph>
<paragraph id="8B9536EB604EFFDE0DB7F8E7FEF88AED" blockId="6.[151,1436,1672,2008]" lastBlockId="7.[151,1436,152,758]" lastPageId="7" lastPageNumber="51" pageId="6" pageNumber="50">
<emphasis id="B95EEAF9604EFFDF0DB7F8E7FE958F91" bold="true" box="[198,364,1904,1930]" pageId="6" pageNumber="50">Observations</emphasis>
: 
<emphasis id="B95EEAF9604EFFDF0C05F8E7FE688F91" bold="true" box="[372,401,1904,1930]" pageId="6" pageNumber="50">—</emphasis>
The James Ross Island (JRI) specimen of 
<taxonomicName id="4C2A4D68604EFFDF0EA7F8E6FB358F91" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[982,1228,1905,1930]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604EFFDF0EA7F8E6FB358F91" box="[982,1228,1905,1930]" italics="true" pageId="6" pageNumber="50">Luticola doliiformis</emphasis>
</taxonomicName>
bears a strong resemblance to 
<taxonomicName id="4C2A4D68604EFFDF0C2DF80FFE468FAA" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[348,447,1944,1969]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604EFFDF0C2DF80FFE468FAA" box="[348,447,1944,1969]" italics="true" pageId="6" pageNumber="50">L. dolia</emphasis>
</taxonomicName>
, a taxon described from the McMurdo Dry Valleys on the Antarctic Continent (
<bibRefCitation id="EFBB4B1A604EFFDF0DEEF829FE698FC3" author="Esposito, R. M. M. &amp; Spaulding, S. A. &amp; McKnight, D. M. &amp; Van de Vijver, B. &amp; Kopalova, K. &amp; Lubinski, D. &amp; Hall, B. &amp; Whittaker, T." box="[159,400,1982,2008]" pageId="6" pageNumber="50" pagination="1378 - 1392" refId="ref8834" refString="Esposito, R. M. M., Spaulding, S. A., McKnight, D. M., Van de Vijver, B., Kopalova, K., Lubinski, D., Hall, B. &amp; Whittaker, T. (2008) Inland diatoms from the McMurdo Dry Valleys and James Ross Island, Antarctica. Botany 86: 1378 - 1392." type="journal article" year="2008">
Esposito 
<emphasis id="B95EEAF9604EFFDF0C7CF829FEB08FCC" box="[269,329,1982,2007]" italics="true" pageId="6" pageNumber="50">et al.</emphasis>
2008
</bibRefCitation>
). The valve dimensions do not permit discrimination between the two taxa but there are other important differences. Unfortunately, in the original description of 
<bibRefCitation id="EFBB4B1A604FFFDE093AFF0FFA9F88A9" author="Esposito, R. M. M. &amp; Spaulding, S. A. &amp; McKnight, D. M. &amp; Van de Vijver, B. &amp; Kopalova, K. &amp; Lubinski, D. &amp; Hall, B. &amp; Whittaker, T." box="[1099,1382,152,178]" pageId="7" pageNumber="51" pagination="1378 - 1392" refId="ref8834" refString="Esposito, R. M. M., Spaulding, S. A., McKnight, D. M., Van de Vijver, B., Kopalova, K., Lubinski, D., Hall, B. &amp; Whittaker, T. (2008) Inland diatoms from the McMurdo Dry Valleys and James Ross Island, Antarctica. Botany 86: 1378 - 1392." type="journal article" year="2008">
Esposito 
<emphasis id="B95EEAF9604FFFDE09B2FF0FFAFD88AA" box="[1219,1284,152,177]" italics="true" pageId="7" pageNumber="51">et al.</emphasis>
(2008)
</bibRefCitation>
, the ultrastructure of the valves and girdle could not be examined as specimens were rare in the samples. Therefore, isotype material (INSTAAR Collection slide 532, isotype slide for 
<taxonomicName id="4C2A4D68604FFFDE093FFF72FDB8893D" authority="Spaulding &amp; Esposito, Esposito et al. 2008: 1385" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityPageNumber="1385" authorityYear="1385" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604FFFDE093FFF72FB0388E5" box="[1102,1274,229,254]" italics="true" pageId="7" pageNumber="51">Luticola dolia</emphasis>
Spaulding &amp; 
<bibRefCitation id="EFBB4B1A604FFFDE0DE6FE9BFDB8893D" author="Esposito, R. M. M. &amp; Spaulding, S. A. &amp; McKnight, D. M. &amp; Van de Vijver, B. &amp; Kopalova, K. &amp; Lubinski, D. &amp; Hall, B. &amp; Whittaker, T." box="[151,577,268,294]" pageId="7" pageNumber="51" pagination="1378 - 1392" refId="ref8834" refString="Esposito, R. M. M., Spaulding, S. A., McKnight, D. M., Van de Vijver, B., Kopalova, K., Lubinski, D., Hall, B. &amp; Whittaker, T. (2008) Inland diatoms from the McMurdo Dry Valleys and James Ross Island, Antarctica. Botany 86: 1378 - 1392." type="journal article" year="2008">
Esposito, Esposito 
<emphasis id="B95EEAF9604FFFDE0C09FE9BFE4A893E" box="[376,435,268,293]" italics="true" pageId="7" pageNumber="51">et al.</emphasis>
2008: 1385
</bibRefCitation>
</taxonomicName>
) was re-examined using SEM and two valves were found showing some of the morphological features enabling separation between 
<taxonomicName id="4C2A4D68604FFFDE0E3FFEA5FC508950" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[846,937,306,331]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604FFFDE0E3FFEA5FC508950" box="[846,937,306,331]" italics="true" pageId="7" pageNumber="51">L. dolia</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C2A4D68604FFFDE0E92FEA5FB7B8950" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[995,1154,306,331]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604FFFDE0E92FEA5FB7B8950" box="[995,1154,306,331]" italics="true" pageId="7" pageNumber="51">L. doliiformis</emphasis>
</taxonomicName>
(
<figureCitation id="13112A6E604FFFDE09E3FEA5FAE58957" box="[1170,1308,306,332]" captionStart="FIGURES 29–34" captionStartId="7.[151,275,1270,1294]" captionTargetBox="[205,1436,799,1245]" captionTargetId="figure-542@7.[151,1436,797,1245]" captionTargetPageId="7" captionText="FIGURES 29–34. Luticola dolia Eposito &amp; Spaulding. Light (LM) and scanning electron micrographs (SEM). Specimens from isotype slide INSTAAR 532. Figs 29–31. LM images. Fig. 32. SEM of external valve view. Fig. 33. SEM of external detail of raphe endings. Fig. 34. SEM of Internal valve view. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 33, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894222" httpUri="https://zenodo.org/record/4894222/files/figure.png" pageId="7" pageNumber="51">Figs 29–34</figureCitation>
). Based on the description in 
<bibRefCitation id="EFBB4B1A604FFFDE0C1CFECEFD958968" author="Esposito, R. M. M. &amp; Spaulding, S. A. &amp; McKnight, D. M. &amp; Van de Vijver, B. &amp; Kopalova, K. &amp; Lubinski, D. &amp; Hall, B. &amp; Whittaker, T." box="[365,620,345,371]" pageId="7" pageNumber="51" pagination="1378 - 1392" refId="ref8834" refString="Esposito, R. M. M., Spaulding, S. A., McKnight, D. M., Van de Vijver, B., Kopalova, K., Lubinski, D., Hall, B. &amp; Whittaker, T. (2008) Inland diatoms from the McMurdo Dry Valleys and James Ross Island, Antarctica. Botany 86: 1378 - 1392." type="journal article" year="2008">
Esposito 
<emphasis id="B95EEAF9604FFFDE0CABFECEFDEF8969" box="[474,534,345,370]" italics="true" pageId="7" pageNumber="51">et al.</emphasis>
(2008)
</bibRefCitation>
and our observations of the isotype material, several differences can be noted. The distal raphe fissures in the JRI population are very short contrary to 
<taxonomicName id="4C2A4D68604FFFDE09F9FE17FB1E8982" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[1160,1255,384,409]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604FFFDE09F9FE17FB1E8982" box="[1160,1255,384,409]" italics="true" pageId="7" pageNumber="51">L. dolia</emphasis>
</taxonomicName>
where slightly elongated fissures were noted (
<figureCitation id="13112A6E604FFFDE0F7EFE31FD9389DB" box="[527,618,422,448]" captionStart="FIGURES 29–34" captionStartId="7.[151,275,1270,1294]" captionTargetBox="[205,1436,799,1245]" captionTargetId="figure-542@7.[151,1436,797,1245]" captionTargetPageId="7" captionText="FIGURES 29–34. Luticola dolia Eposito &amp; Spaulding. Light (LM) and scanning electron micrographs (SEM). Specimens from isotype slide INSTAAR 532. Figs 29–31. LM images. Fig. 32. SEM of external valve view. Fig. 33. SEM of external detail of raphe endings. Fig. 34. SEM of Internal valve view. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 33, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894222" httpUri="https://zenodo.org/record/4894222/files/figure.png" pageId="7" pageNumber="51">Fig. 33</figureCitation>
). The valve apices in 
<taxonomicName id="4C2A4D68604FFFDE0E04FE30FC2D89DB" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[885,980,423,448]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604FFFDE0E04FE30FC2D89DB" box="[885,980,423,448]" italics="true" pageId="7" pageNumber="51">L. dolia</emphasis>
</taxonomicName>
are usually much narrower than in 
<taxonomicName id="4C2A4D68604FFFDE08F5FE30FEE489FD" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604FFFDE08F5FE30FEE489FD" italics="true" pageId="7" pageNumber="51">L. doliiformis</emphasis>
</taxonomicName>
that have normally broadly rounded, enlarged apices (
<figureCitation id="13112A6E604FFFDE0ECCFE5AFBB489FC" box="[957,1101,461,487]" captionStart="FIGURES 29–34" captionStartId="7.[151,275,1270,1294]" captionTargetBox="[205,1436,799,1245]" captionTargetId="figure-542@7.[151,1436,797,1245]" captionTargetPageId="7" captionText="FIGURES 29–34. Luticola dolia Eposito &amp; Spaulding. Light (LM) and scanning electron micrographs (SEM). Specimens from isotype slide INSTAAR 532. Figs 29–31. LM images. Fig. 32. SEM of external valve view. Fig. 33. SEM of external detail of raphe endings. Fig. 34. SEM of Internal valve view. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 33, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894222" httpUri="https://zenodo.org/record/4894222/files/figure.png" pageId="7" pageNumber="51">Figs 29–31</figureCitation>
). The shape and size of the areolae also differs with transapically elongated, larger areolae in 
<taxonomicName id="4C2A4D68604FFFDE0ED6FE63FBFD8A16" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[935,1028,500,525]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604FFFDE0ED6FE63FBFD8A16" box="[935,1028,500,525]" italics="true" pageId="7" pageNumber="51">L. dolia</emphasis>
</taxonomicName>
, whereas 
<taxonomicName id="4C2A4D68604FFFDE090DFE63FAE48A16" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[1148,1309,500,525]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604FFFDE090DFE63FAE48A16" box="[1148,1309,500,525]" italics="true" pageId="7" pageNumber="51">L. doliiformis</emphasis>
</taxonomicName>
has small, always rounded areolae (
<figureCitation id="13112A6E604FFFDE0CCBFD8DFDBB8A2F" box="[442,578,538,564]" captionStart="FIGURES 29–34" captionStartId="7.[151,275,1270,1294]" captionTargetBox="[205,1436,799,1245]" captionTargetId="figure-542@7.[151,1436,797,1245]" captionTargetPageId="7" captionText="FIGURES 29–34. Luticola dolia Eposito &amp; Spaulding. Light (LM) and scanning electron micrographs (SEM). Specimens from isotype slide INSTAAR 532. Figs 29–31. LM images. Fig. 32. SEM of external valve view. Fig. 33. SEM of external detail of raphe endings. Fig. 34. SEM of Internal valve view. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 33, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894222" httpUri="https://zenodo.org/record/4894222/files/figure.png" pageId="7" pageNumber="51">Figs 32, 33</figureCitation>
). Moreover, the number of striae in 
<quantity id="4CD29B0E604FFFDE0E96FD8DFBCA8A2F" box="[999,1075,538,564]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
is higher in the JRI population contrary to that stated in the original description (18–20 vs 14–18). Although the external stigma opening could not be observed in the isotype material, it is clear that, based on the LM and the internal SEM views of 
<taxonomicName id="4C2A4D68604FFFDE0DE6FD18FF0D8AB3" authorityName="Spaulding &amp; Esposito, Esposito et al. 2008:" authorityYear="1385" box="[151,244,655,680]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="dolia">
<emphasis id="B95EEAF9604FFFDE0DE6FD18FF0D8AB3" box="[151,244,655,680]" italics="true" pageId="7" pageNumber="51">L. dolia</emphasis>
</taxonomicName>
(
<figureCitation id="13112A6E604FFFDE0C77FD19FE998AB3" box="[262,352,654,680]" captionStart="FIGURES 29–34" captionStartId="7.[151,275,1270,1294]" captionTargetBox="[205,1436,799,1245]" captionTargetId="figure-542@7.[151,1436,797,1245]" captionTargetPageId="7" captionText="FIGURES 29–34. Luticola dolia Eposito &amp; Spaulding. Light (LM) and scanning electron micrographs (SEM). Specimens from isotype slide INSTAAR 532. Figs 29–31. LM images. Fig. 32. SEM of external valve view. Fig. 33. SEM of external detail of raphe endings. Fig. 34. SEM of Internal valve view. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 33, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894222" httpUri="https://zenodo.org/record/4894222/files/figure.png" pageId="7" pageNumber="51">Fig. 34</figureCitation>
), the stigma opening is positioned more to the valve middle whereas in 
<taxonomicName id="4C2A4D68604FFFDE09B5FD18FA9E8AB3" authorityName="Kopalova &amp; Van de Vijver" authorityYear="2011" box="[1220,1383,655,680]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="51" phylum="Bacillariophyta" rank="species" species="doliiformis">
<emphasis id="B95EEAF9604FFFDE09B5FD18FA9E8AB3" box="[1220,1383,655,680]" italics="true" pageId="7" pageNumber="51">L. doliiformis</emphasis>
</taxonomicName>
, the stigma opening is closer to the valve margin (
<figureCitation id="13112A6E604FFFDE0FD8FD22FCF98AD4" box="[681,768,693,719]" captionStart="FIGURES 14–28" captionStartId="6.[151,276,1459,1483]" captionTargetBox="[151,1436,351,1415]" captionTargetId="figure-283@6.[151,1436,351,1417]" captionTargetPageId="6" captionText="FIGURES 14–28. Luticola doliiformis Kopalová &amp; Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Specimens from James Ross Island. Figs 14–24. LM of size diminution series (Fig. 20 is the holotype). Fig. 25. SEM of external valve view. Fig. 26. SEM of Internal valve view. Fig. 27. SEM of external detail of central area Fig. 28. SEM of external detail of raphe endings. LM scale bar = 10 µm. SEM scale bars = 10 µm except for Figs 27 &amp; 28, where scale bars = 1 µm." figureDoi="http://doi.org/10.5281/zenodo.4894218" httpUri="https://zenodo.org/record/4894218/files/figure.png" pageId="7" pageNumber="51">Fig. 25</figureCitation>
). Based on these differences, separation of these taxa can be made.
</paragraph>
</subSubSection>
</treatment>
</document>