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<document id="18BB3662DEFB2443D886CC314F3F45E5" ID-DOI="10.11646/phytotaxa.170.3.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="5139040" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1627350352641" checkinUser="felipe" docAuthor="Zidarova, Ralitsa, Levkov, Zlatko &amp; Vijver, Bart Van De" docDate="2014" docId="03BF87A50B2EFFAE2C9BF9C36A3F31C2" docLanguage="en" docName="Phytotaxa.170.3.155-168.pdf" docOrigin="Phytotaxa 170 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.170.3.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Luticola contii Zidarova &amp; Levkov &amp; Vijver 2014, sp. nov." docType="treatment" docVersion="3" lastPageNumber="164" masterDocId="FF86FFDD0B29FFA72C13FFBB6F393546" masterDocTitle="Four new Luticola taxa (Bacillariophyta) from Maritime Antarctica" masterLastPageNumber="168" masterPageNumber="155" pageNumber="162" updateTime="1699024752018" updateUser="plazi" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="9D7C60160C2DFC728DE6BB418645E17C" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="097819F1C184B6DD3092D215D9F618D3">
<mods:title id="DAAF8C4C423EB243FCB9917DC165D78F">Four new Luticola taxa (Bacillariophyta) from Maritime Antarctica</mods:title>
</mods:titleInfo>
<mods:name id="414C7536201158ACE01A1F9074557DDD" type="personal">
<mods:role id="B4BC36E6F1DC038B6951827380E7D49F">
<mods:roleTerm id="9E2020F4B30E8FAB5FB80C4D5DD12E58">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="007FF2B2AA6C903DC40DA9BB94DE16C4">Zidarova, Ralitsa</mods:namePart>
<mods:affiliation id="69C285EE035ED726EBB4741608765652">St. “ Kliment Ohridski ” University of Sofia, Faculty of Biology, Department of Botany, 8 Dragan Tzankov Blvd., Sofia 1164, Bulgaria E-mail: zidarova. r @ gmail. com (* author for correspondence)</mods:affiliation>
</mods:name>
<mods:name id="0EC17788CE0BF8D83358F333B41CC2DE" type="personal">
<mods:role id="33F111BA8BEA2A4AB92D8C8E8D27537C">
<mods:roleTerm id="EB73B1FFC79E57E2AA39B7E0D6233127">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="C09862E478379C63F141B3AA4CAC0A9C">Levkov, Zlatko</mods:namePart>
<mods:affiliation id="201D6847192F4F2981599E37169BC5CA">Institute of Biology, Faculty of Natural Sciences, Gazi Baba bb, Skopje, R. Macedonia E mail: zlevkov @ iunona. pmf. ukim. edu. mk Botanic Garden Meise, Department of Bryophyta &amp; Thallophyta, Nieuwelaan 38, B- 1860 Meise, Belgium E-mail: vandevijver @ br. fgov. be University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B- 2610 Wilrijk, Antwerpen, Belgium</mods:affiliation>
</mods:name>
<mods:name id="2BAF0ABC71CAB95A092C0A0938DEC586" type="personal">
<mods:role id="2E7C0526FF9E21C197765ECEAF635E81">
<mods:roleTerm id="17DD95C0D96D477D9C559A37F2D8C29D">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="38605A14A8AA93CDBE524E6AD6359E32">Vijver, Bart Van De</mods:namePart>
</mods:name>
<mods:typeOfResource id="FCC6CBAE093843852D5B0DCD2B4CDED2">text</mods:typeOfResource>
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<mods:titleInfo id="EA10583F7C7A2FE373073176F1E30328">
<mods:title id="F9A98A3C1A629B20510504D5A30DD7DD">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="541A4D7BFA721050163CC8E1E0B23EC1">
<mods:date id="585475055DBB20AC46097C2FA0AA325A">2014</mods:date>
<mods:detail id="BF6B30BC20DAAAA405DB738A50C2B66C" type="pubDate">
<mods:number id="5D280D3415615E1F1F268D811FD4AE33">2014-05-26</mods:number>
</mods:detail>
<mods:detail id="5FCE834CEB48E5EDC593A36F04B3D2B1" type="volume">
<mods:number id="CBE9F593FD4ED957A0CFB42AE9630717">170</mods:number>
</mods:detail>
<mods:detail id="002CF7AE146360C95CAEE6A8F667556D" type="issue">
<mods:number id="C4B04254DF6708F9ED812D54F70431F3">3</mods:number>
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<mods:start id="7432D92F75CED89B95DB83C0F5ECB6AE">155</mods:start>
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<mods:location id="9938509EC78BBAA31D28E8F815172FE7">
<mods:url id="D4D95FD764DE67B1B678D4FD87E22E8B">http://dx.doi.org/10.11646/phytotaxa.170.3.2</mods:url>
</mods:location>
<mods:classification id="94435F473C8440F7F7607CE22C2479BC">journal article</mods:classification>
<mods:identifier id="ADAA4D72B531441302F8A9EB14B1E47D" type="DOI">10.11646/phytotaxa.170.3.2</mods:identifier>
<mods:identifier id="F66F2C7EE5CF7567459BE4BB87C15891" type="ISSN">1179-3163</mods:identifier>
<mods:identifier id="40CDD7225BADB3FE199536195A95F58E" type="Zenodo-Dep">5139040</mods:identifier>
</mods:mods>
<treatment id="03BF87A50B2EFFAE2C9BF9C36A3F31C2" LSID="urn:lsid:plazi:treatment:03BF87A50B2EFFAE2C9BF9C36A3F31C2" httpUri="http://treatment.plazi.org/id/03BF87A50B2EFFAE2C9BF9C36A3F31C2" lastPageId="9" lastPageNumber="164" pageId="7" pageNumber="162">
<subSubSection id="C30C65380B2EFFA02C9BF9C36D1A33D5" box="[136,547,1656,1683]" pageId="7" pageNumber="162" type="nomenclature">
<paragraph id="8BA936B30B2EFFA02C9BF9C36D1A33D5" blockId="7.[136,547,1656,1683]" box="[136,547,1656,1683]" pageId="7" pageNumber="162">
<heading id="D0E181DF0B2EFFA02C9BF9C36D1A33D5" box="[136,547,1656,1683]" fontSize="11" level="2" pageId="7" pageNumber="162" reason="3">
<emphasis id="B962EAA10B2EFFA02C9BF9C36EB433D4" box="[136,397,1656,1683]" italics="true" pageId="7" pageNumber="162">
<taxonomicName id="4C164D300B2EFFA02C9BF9C36E0833D4" authority="Zidarova &amp; Levkov &amp; Vijver, 2014" authorityName="Zidarova &amp; Levkov &amp; Vijver" authorityYear="2014" box="[136,305,1656,1683]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="162" phylum="Bacillariophyta" rank="species" species="contii" status="sp. nov.">
<emphasis id="B962EAA10B2EFFA02C9BF9C36E0833D4" bold="true" box="[136,305,1656,1683]" italics="true" pageId="7" pageNumber="162">Luticola contii</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25157DA0B2EFFA02D2BF9C26EB433D4" box="[312,397,1657,1682]" pageId="7" pageNumber="162" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="132D2A360B2EFFA02D88F9C36D2233D5" box="[411,539,1656,1683]" captionStart="FIGURES 35–49" captionStartId="8.[136,243,1804,1826]" captionTargetBox="[164,1418,357,1770]" captionTargetId="figure-102@8.[164,1424,351,1783]" captionTargetPageId="8" captionText="FIGURES 35–49. Luticola contii Zidarova, Levkov &amp; Van de Vijver, sp. nov. Light (LM) and scanning electron microscope (SEM) micrographs: Figs 35, 36–48. LM of 14 valves from the type population, Deception Island, sample D37 (scale bars = 10 µm). Fig. 49. SEM external view of a valve from the type population, Deception Island, sample D37 (scale bar = 5 µm)." figureDoi="http://doi.org/10.5281/zenodo.5139050" httpUri="https://zenodo.org/record/5139050/files/figure.png" pageId="7" pageNumber="162">Figs 35–49</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C30C65380B2EFFA02C9BF97F6B8F33BB" pageId="7" pageNumber="162" type="materials_examined">
<paragraph id="8BA936B30B2EFFA02C9BF97F6B8F33BB" blockId="7.[136,1451,1732,1862]" pageId="7" pageNumber="162">
<emphasis id="B962EAA10B2EFFA02C9BF97F6F83339F" bold="true" box="[136,186,1732,1753]" pageId="7" pageNumber="162">Type</emphasis>
:—
<materialsCitation id="3B7E3CEE0B2EFFA02CC5F97F6B40339C" box="[214,1145,1732,1754]" collectionCode="R" collectorName="Sample D &amp; Zidarova" country="Antarctica" location="South Shetland Islands" municipality="Deception Island" pageId="7" pageNumber="162" specimenCount="1">
<collectingCountry id="F30176230B2EFFA02CC5F97F6E4C339F" box="[214,373,1732,1753]" name="Antarctica" pageId="7" pageNumber="162">ANTARCTICA</collectingCountry>
.
<location id="8EC960680B2EFFA02D6CF97F6D5B339C" LSID="urn:lsid:plazi:treatment:03BF87A50B2EFFAE2C9BF9C36A3F31C2:8EC960680B2EFFA02D6CF97F6D5B339C" box="[383,610,1732,1754]" country="Antarctica" municipality="Deception Island" name="South Shetland Islands" pageId="7" pageNumber="162">South Shetland Islands</location>
:
<collectingMunicipality id="6BCDACC90B2EFFA02E7FF97F6C2B339C" box="[620,786,1732,1754]" pageId="7" pageNumber="162">Deception Island</collectingMunicipality>
,
<collectorName id="26E353650B2EFFA02F0EF97F6C46339F" box="[797,895,1732,1754]" pageId="7" pageNumber="162">Sample D</collectorName>
37, leg.
<emphasis id="B962EAA10B2EFFA02FDDF97F6B7E339F" box="[974,1095,1732,1753]" italics="true" pageId="7" pageNumber="162">
<collectionCode id="ED07AE760B2EFFA02FDDF97F6CE6339F" box="[974,991,1732,1753]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="7" pageNumber="162">R</collectionCode>
.
<collectorName id="26E353650B2EFFA02FF9F97F6B7D339F" box="[1002,1092,1732,1753]" pageId="7" pageNumber="162">Zidarova</collectorName>
,
</emphasis>
coll.
</materialsCitation>
<materialsCitation id="3B7E3CEE0B2EFFA02893F97F6B8B33BB" collectingDate="2013-01-24" collectionCode="BRM" country="Antarctica" location="University of Antwerp" municipality="Belgium" pageId="7" pageNumber="162" specimenCount="1" typeStatus="holotype">
date
<date id="FFA810730B2EFFA028BCF97F6A27339F" box="[1199,1310,1732,1753]" pageId="7" pageNumber="162" value="2013-01-24">
<collectingDate id="EFECE99B0B2EFFA028BCF97F6A27339F" box="[1199,1310,1732,1753]" pageId="7" pageNumber="162" value="2013-01-24">24/01/2013</collectingDate>
</date>
, slide no. BR- 4366 (
<typeStatus id="54AD88110B2EFFA02CE9F9536E6A33B8" box="[250,339,1768,1790]" pageId="7" pageNumber="162" type="holotype">holotype</typeStatus>
), slide PLP-255 (isotype
<location id="8EC960680B2EFFA02E56F9536C2633BB" LSID="urn:lsid:plazi:treatment:03BF87A50B2EFFAE2C9BF9C36A3F31C2:8EC960680B2EFFA02E56F9536C2633BB" box="[581,799,1768,1790]" country="Antarctica" municipality="Belgium" name="University of Antwerp" pageId="7" pageNumber="162">University of Antwerp</location>
,
<collectingMunicipality id="6BCDACC90B2EFFA02F3AF9536C4633B8" box="[809,895,1768,1790]" pageId="7" pageNumber="162">Belgium</collectingMunicipality>
), BRM-ZU9/68 (isotype
<collectionCode id="ED07AE760B2EFFA02862F9536B9233BB" box="[1137,1195,1768,1789]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="7" pageNumber="162" type="Herbarium">BRM</collectionCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C30C65380B2EFFA02C9BF8B76A1C3D59" pageId="7" pageNumber="162" type="etymology">
<paragraph id="8BA936B30B2EFFA02C9BF8B76AAF3200" blockId="7.[136,1451,1732,1862]" pageId="7" pageNumber="162">
<emphasis id="B962EAA10B2EFFA02C9BF8B76FCC3267" bold="true" box="[136,245,1804,1825]" pageId="7" pageNumber="162">Etymology</emphasis>
:—The species is named after Gabriel (Tano) Conti, Base Commander at “Decepción” Base (
<collectingCountry id="F30176230B2EFFA0287CF8B76BF63264" box="[1135,1231,1804,1826]" name="Argentina" pageId="7" pageNumber="162">Argentina</collectingCountry>
) during the 2012-2013 Antarctic season to thank him for his hospitality and readiness to help us in the field work during our (RZ) stay on Deception Island.
</paragraph>
<paragraph id="8BA936B30B2EFFA02C9BF8CF6A1C3D59" blockId="7.[136,1452,1908,2079]" pageId="7" pageNumber="162">
Valves linear with triundulate margins and rostrate-subcapitate, rostrate or almost truncated apices. Valve length
<quantity id="4CEE9B560B2EFFA0297DF8CF6FDF32F5" metricMagnitude="-2" metricUnit="m" metricValue="1.65" metricValueMax="2.07" metricValueMin="1.23" pageId="7" pageNumber="162" unit="mm" value="16.5" valueMax="20.7" valueMin="12.3">12.3– 20.7 µm</quantity>
, width 6.0–
<quantity id="4CEE9B560B2EFFA02D7AF8236E8932F4" box="[361,432,1944,1970]" metricMagnitude="-3" metricUnit="m" metricValue="8.1" pageId="7" pageNumber="162" unit="mm" value="8.1">8.1µm</quantity>
. Axial area narrow, linear, not or weakly widening towards the central area. Central area bowtie shaped to almost rectangular, bordered on both sides by 2–3 areolae. One rounded isolated pore present in the central area. Raphe straight, proximal raphe endings almost straight to weakly deflected away from the isolated pore. Distal raphe fissures very short, straight to weakly deflected away from the isolated pore. Striae radiate,
<quantity id="4CEE9B560B2EFFA0287CF7BF6BF63D58" box="[1135,1231,2052,2078]" metricMagnitude="-1" metricUnit="m" metricValue="4.445" metricValueMax="4.826" metricValueMin="4.064" pageId="7" pageNumber="162" unit="in" value="17.5" valueMax="19.0" valueMin="16.0">16–19 in</quantity>
<quantity id="4CEE9B560B2EFFA028C5F7BF6A1B3D59" box="[1238,1314,2052,2079]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="162" unit="mm" value="10.0">10 µm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C30C65380B21FFAE2CAEFF256A3F31C2" lastPageId="9" lastPageNumber="164" pageId="8" pageNumber="163" type="biology_ecology">
<paragraph id="8BA936B30B21FFAF2CAEFF256C53340E" blockId="8.[136,1452,158,328]" pageId="8" pageNumber="163">
<emphasis id="B962EAA10B21FFAF2CAEFF256ED335FE" bold="true" box="[189,490,158,184]" pageId="8" pageNumber="163">Ecology and distribution</emphasis>
:
<emphasis id="B962EAA10B21FFAF2DE2FF256D3435FE" bold="true" box="[497,525,158,184]" pageId="8" pageNumber="163">—</emphasis>
Due to confusion with
<taxonomicName id="4C164D300B21FFAF2F05FF256CFE35FE" box="[790,967,158,184]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="163" phylum="Bacillariophyta" rank="species" species="nivalis">
<emphasis id="B962EAA10B21FFAF2F05FF256CFE35FE" box="[790,967,158,184]" italics="true" pageId="8" pageNumber="163">Luticola nivalis</emphasis>
</taxonomicName>
the exact distribution of
<taxonomicName id="4C164D300B21FFAF28F9FF246A7335FE" authorityName="Zidarova &amp; Levkov &amp; Vijver" authorityYear="2014" box="[1258,1354,159,184]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="163" phylum="Bacillariophyta" rank="species" species="contii">
<emphasis id="B962EAA10B21FFAF28F9FF246A7335FE" box="[1258,1354,159,184]" italics="true" pageId="8" pageNumber="163">L. contii</emphasis>
</taxonomicName>
remains unknown and so far the species has been observed with certainty on Deception Island and King George Island (South
<collectingRegion id="49D2F8510B21FFAF2C9BFF5D6E7D3447" box="[136,324,230,257]" country="United Kingdom" name="Shetland Islands" pageId="8" pageNumber="163">Shetland Islands</collectingRegion>
). The largest populations were found in soils and among almost dry mosses growing on coastal rocks, at places with moderate nutrient input and elevated salinity levels due to the proximity of the sea. Accompanying taxa included
<taxonomicName id="4C164D300B21FFAF2CFCFE946ED9340E" box="[239,480,302,328]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnunavis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="163" phylum="Bacillariophyta" rank="species" species="gebhardii">
<emphasis id="B962EAA10B21FFAF2CFCFE946ED9340E" box="[239,480,302,328]" italics="true" pageId="8" pageNumber="163">Pinnunavis gebhardii</emphasis>
</taxonomicName>
and several other
<taxonomicName id="4C164D300B21FFAF2EBDFE956C53340E" box="[686,874,302,328]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="163" phylum="Bacillariophyta" rank="species" species="undetermined">
<emphasis id="B962EAA10B21FFAF2EBDFE956C32340E" box="[686,779,302,328]" italics="true" pageId="8" pageNumber="163">Luticola</emphasis>
species.
</taxonomicName>
</paragraph>
<caption id="DF69663B0B21FFAF2C9BF8B76BBF322C" ID-DOI="http://doi.org/10.5281/zenodo.5139050" ID-Zenodo-Dep="5139050" httpUri="https://zenodo.org/record/5139050/files/figure.png" pageId="8" pageNumber="163" startId="8.[136,243,1804,1826]" targetBox="[164,1418,357,1770]" targetPageId="8">
<paragraph id="8BA936B30B21FFAF2C9BF8B76BBF322C" blockId="8.[136,1452,1804,1899]" pageId="8" pageNumber="163">
<emphasis id="B962EAA10B21FFAF2C9BF8B76E043267" bold="true" box="[136,317,1804,1826]" pageId="8" pageNumber="163">FIGURES 35–49.</emphasis>
<taxonomicName id="4C164D300B21FFAF2D55F8B66C023265" authority="Zidarova, Levkov &amp; Van de Vijver" authorityName="Zidarova, Levkov &amp; Van de Vijver" authorityYear="2014" box="[326,827,1805,1827]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="163" phylum="Bacillariophyta" rank="species" species="contii" status="sp. nov.">
<emphasis id="B962EAA10B21FFAF2D55F8B66EEF3264" box="[326,470,1805,1826]" italics="true" pageId="8" pageNumber="163">Luticola contii</emphasis>
Zidarova, Levkov &amp; Van de Vijver
</taxonomicName>
,
<emphasis id="B962EAA10B21FFAF2F54F8B66CAA3264" box="[839,915,1805,1826]" italics="true" pageId="8" pageNumber="163">
<taxonomicNameLabel id="A25157DA0B21FFAF2F54F8B66CAA3264" box="[839,915,1805,1826]" pageId="8" pageNumber="163" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Light (LM) and scanning electron microscope (SEM) micrographs:
<emphasis id="B962EAA10B21FFAF2D1DF88B6E9E3203" bold="true" box="[270,423,1840,1862]" pageId="8" pageNumber="163">Figs 35, 36–48.</emphasis>
LM of 14 valves from the type population, Deception Island, sample D37 (scale bars = 10 µm).
<emphasis id="B962EAA10B21FFAF294CF88B6A953203" bold="true" box="[1375,1452,1840,1862]" pageId="8" pageNumber="163">Fig. 49.</emphasis>
SEM external view of a valve from the type population, Deception Island, sample D37 (scale bar = 5 µm).
</paragraph>
</caption>
<paragraph id="8BA936B30B21FFAE2CAEF8226BD334D7" blockId="8.[136,1452,1945,2080]" lastBlockId="9.[136,1452,158,1157]" lastPageId="9" lastPageNumber="164" pageId="8" pageNumber="163">
<emphasis id="B962EAA10B21FFAF2CAEF8226EB332F5" bold="true" box="[189,394,1945,1971]" pageId="8" pageNumber="163">LM observations</emphasis>
:—
<emphasis id="B962EAA10B21FFAF2DBDF8226D7232F5" box="[430,587,1945,1972]" italics="true" pageId="8" pageNumber="163">
(
<figureCitation id="132D2A360B21FFAF2DA4F8226D0232F5" box="[439,571,1945,1972]" captionStart="FIGURES 35–49" captionStartId="8.[136,243,1804,1826]" captionTargetBox="[164,1418,357,1770]" captionTargetId="figure-102@8.[164,1424,351,1783]" captionTargetPageId="8" captionText="FIGURES 35–49. Luticola contii Zidarova, Levkov &amp; Van de Vijver, sp. nov. Light (LM) and scanning electron microscope (SEM) micrographs: Figs 35, 36–48. LM of 14 valves from the type population, Deception Island, sample D37 (scale bars = 10 µm). Fig. 49. SEM external view of a valve from the type population, Deception Island, sample D37 (scale bar = 5 µm)." figureDoi="http://doi.org/10.5281/zenodo.5139050" httpUri="https://zenodo.org/record/5139050/files/figure.png" pageId="8" pageNumber="163">Figs 35–48</figureCitation>
):
</emphasis>
The valves are linear with almost parallel, triundulate margins. The margin undulations are moderately deep, rounded and almost equal in width. The valve apices in larger valves are rostratesubcapitate whereas in the smallest valves they are rostrate to almost truncated, always narrower than the valve middle. Valve dimensions (n=32): length
<quantity id="4CEE9B560B21FFAF2DE4F7BE6DAD3D66" box="[503,660,2053,2080]" metricMagnitude="-2" metricUnit="m" metricValue="1.65" metricValueMax="2.07" metricValueMin="1.23" pageId="8" pageNumber="163" unit="mm" value="16.5" valueMax="20.7" valueMin="12.3">12.3–20.7 µm</quantity>
, width 6.0–
<quantity id="4CEE9B560B21FFAF2F0BF7BE6C583D59" box="[792,865,2053,2079]" metricMagnitude="-3" metricUnit="m" metricValue="8.1" pageId="8" pageNumber="163" unit="mm" value="8.1">8.1µm</quantity>
. The axial area is narrow, linear (occasionally weakly lanceolate, fig. 44), not or weakly widening towards the central area. The central area is expanded into a bow-tie shaped, sometimes almost rectangular (
<figureCitation id="132D2A360B20FFAE2DF8FF796D56359B" box="[491,623,194,221]" captionStart="FIGURES 35–49" captionStartId="8.[136,243,1804,1826]" captionTargetBox="[164,1418,357,1770]" captionTargetId="figure-102@8.[164,1424,351,1783]" captionTargetPageId="8" captionText="FIGURES 35–49. Luticola contii Zidarova, Levkov &amp; Van de Vijver, sp. nov. Light (LM) and scanning electron microscope (SEM) micrographs: Figs 35, 36–48. LM of 14 valves from the type population, Deception Island, sample D37 (scale bars = 10 µm). Fig. 49. SEM external view of a valve from the type population, Deception Island, sample D37 (scale bar = 5 µm)." figureDoi="http://doi.org/10.5281/zenodo.5139050" httpUri="https://zenodo.org/record/5139050/files/figure.png" pageId="9" pageNumber="164">Figs 44, 46</figureCitation>
) stauros, usually bordered on both sides by a single row of 2–3 areolae. Occasionally 2–3 very short striae enclose the central area at one of the sides (
<figureCitation id="132D2A360B20FFAE2FFCFF5D6B483446" box="[1007,1137,230,256]" captionStart="FIGURES 35–49" captionStartId="8.[136,243,1804,1826]" captionTargetBox="[164,1418,357,1770]" captionTargetId="figure-102@8.[164,1424,351,1783]" captionTargetPageId="8" captionText="FIGURES 35–49. Luticola contii Zidarova, Levkov &amp; Van de Vijver, sp. nov. Light (LM) and scanning electron microscope (SEM) micrographs: Figs 35, 36–48. LM of 14 valves from the type population, Deception Island, sample D37 (scale bars = 10 µm). Fig. 49. SEM external view of a valve from the type population, Deception Island, sample D37 (scale bar = 5 µm)." figureDoi="http://doi.org/10.5281/zenodo.5139050" httpUri="https://zenodo.org/record/5139050/files/figure.png" pageId="9" pageNumber="164">Figs 41, 48</figureCitation>
). One rounded isolated pore is present in the central area, located almost halfway between the raphe and the margin showing a solitary position. The raphe is straight with slightly expanded proximal raphe endings, finishing almost straight to weakly deflected away from the isolated pore. The distal raphe fissures are very short and terminate straight to weakly deflected to the same side as the central raphe endings. The striae are radiate throughout the entire valve,
<quantity id="4CEE9B560B20FFAE2823FECD6BAA34D6" box="[1072,1171,374,400]" metricMagnitude="-1" metricUnit="m" metricValue="4.445" metricValueMax="4.826" metricValueMin="4.064" pageId="9" pageNumber="164" unit="in" value="17.5" valueMax="19.0" valueMin="16.0">16–19 in</quantity>
<quantity id="4CEE9B560B20FFAE288AFECD6BDC34D7" box="[1177,1253,374,401]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="9" pageNumber="164" unit="mm" value="10.0">10 µm</quantity>
.
</paragraph>
<paragraph id="8BA936B30B20FFAE2CAEFE216EE337F6" blockId="9.[136,1452,158,1157]" pageId="9" pageNumber="164">
<emphasis id="B962EAA10B20FFAE2CAEFE216EA334F2" bold="true" box="[189,410,410,436]" pageId="9" pageNumber="164">SEM observations</emphasis>
:—
<emphasis id="B962EAA10B20FFAE2DADFE206D1434F2" box="[446,557,410,437]" italics="true" pageId="9" pageNumber="164">
(
<figureCitation id="132D2A360B20FFAE2DD4FE206D2434F2" box="[455,541,410,437]" captionStart="FIGURES 35–49" captionStartId="8.[136,243,1804,1826]" captionTargetBox="[164,1418,357,1770]" captionTargetId="figure-102@8.[164,1424,351,1783]" captionTargetPageId="8" captionText="FIGURES 35–49. Luticola contii Zidarova, Levkov &amp; Van de Vijver, sp. nov. Light (LM) and scanning electron microscope (SEM) micrographs: Figs 35, 36–48. LM of 14 valves from the type population, Deception Island, sample D37 (scale bars = 10 µm). Fig. 49. SEM external view of a valve from the type population, Deception Island, sample D37 (scale bar = 5 µm)." figureDoi="http://doi.org/10.5281/zenodo.5139050" httpUri="https://zenodo.org/record/5139050/files/figure.png" pageId="9" pageNumber="164">Fig. 49</figureCitation>
):
</emphasis>
The striae are composed of 2–4 rounded areolae that become distinctly larger towards the valve margins. The areolae next to the axial area are very small and rounded. The areolae of the outer row are much larger and usually transapically elongated. One row of rounded areolae, not interrupted at the poles, is present on the valve mantle. The isolated pore opening is small, rounded to weakly transapically elongated. The proximal raphe endings are first weakly deflected away from the isolated pore but then hook shortly towards the isolated pore. Small pit-like depressions are present next to the raphe endings. The distal raphe fissures terminate near the last stria but never extend onto the mantle, first weakly deflected away from the isolated pore and then shortly hooked towards the isolated pore-bearing side.
</paragraph>
<paragraph id="8BA936B30B20FFAE2CAEFD016A3F31C2" blockId="9.[136,1452,158,1157]" pageId="9" pageNumber="164">
<emphasis id="B962EAA10B20FFAE2CAEFD016E563792" bold="true" box="[189,367,698,724]" pageId="9" pageNumber="164">Similar species</emphasis>
:—
<taxonomicName id="4C164D300B20FFAE2D80FD016D013792" authorityName="Zidarova, Levkov &amp; Van de Vijver" authorityYear="2014" box="[403,568,698,724]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="contii">
<emphasis id="B962EAA10B20FFAE2D80FD016D013792" box="[403,568,698,724]" italics="true" pageId="9" pageNumber="164">Luticola contii</emphasis>
</taxonomicName>
has a unique raphe structure that is not observed in any other
<taxonomicName id="4C164D300B20FFAE28E5FD016A923792" box="[1270,1451,698,724]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="undetermined">
<emphasis id="B962EAA10B20FFAE28E5FD016A6A3792" box="[1270,1363,698,724]" italics="true" pageId="9" pageNumber="164">Luticola</emphasis>
species
</taxonomicName>
with triundulate margins and this makes it easy to distinguish from the similar taxa, even in LM. However, in
<collectingCountry id="F30176230B20FFAE2924FD656A9537BE" box="[1335,1452,734,760]" name="Antarctica" pageId="9" pageNumber="164">Antarctica</collectingCountry>
the species has been reported for quite a long time as
<emphasis id="B962EAA10B20FFAE2EE2FCB86C5B365A" box="[753,866,770,796]" italics="true" pageId="9" pageNumber="164">
<taxonomicName id="4C164D300B20FFAE2EE2FCB86C67365A" box="[753,862,770,796]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="nivalis">L. nivalis</taxonomicName>
.
</emphasis>
Based on the studies of
<taxonomicName id="4C164D300B20FFAE286EFCB86BDE365A" box="[1149,1255,770,796]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="nivalis">
<emphasis id="B962EAA10B20FFAE286EFCB86BDE365A" box="[1149,1255,770,796]" italics="true" pageId="9" pageNumber="164">L. nivalis</emphasis>
</taxonomicName>
by
<bibRefCitation id="EF874B420B20FFAE2907FCB96E373607" author="Levkov, Z. &amp; Metzeltin, D &amp; Pavlov, A." pageId="9" pageNumber="164" pagination="1 - 697" refId="ref8584" refString="Levkov, Z., Metzeltin, D &amp; Pavlov, A. (2013). Luticola and Luticolopsis. Diatoms of Europe 7: 1 - 697." type="journal article" year="2013">
Levkov
<emphasis id="B962EAA10B20FFAE2961FCB86A95365A" box="[1394,1452,770,796]" italics="true" pageId="9" pageNumber="164">et al.</emphasis>
(2013: 175)
</bibRefCitation>
, the latter species has a denser striation pattern and different raphe endings (
<tableCitation id="C69403080B20FFAE2870FC9D6B833606" box="[1123,1210,806,832]" captionStart="TABLE 3" captionStartId="11.[136,221,742,766]" captionText="TABLE 3. Table of comparison between L. contii sp. nov. and L. olegsakharovii sp. nov. and morphologically similar taxa with triundulate margins." pageId="9" pageNumber="164">Table 3</tableCitation>
). The proximal raphe endings in
<taxonomicName id="4C164D300B20FFAE2D16FCF06E563622" box="[261,367,842,868]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="nivalis">
<emphasis id="B962EAA10B20FFAE2D16FCF06E563622" box="[261,367,842,868]" italics="true" pageId="9" pageNumber="164">L. nivalis</emphasis>
</taxonomicName>
are distinctly bent opposite the isolated pore and not towards the isolated pore, while the distal raphe fissures are hooked and much more prolonged compared to the distal raphe fissures in
<emphasis id="B962EAA10B20FFAE2888FCD46A3936CE" box="[1179,1280,879,904]" italics="true" pageId="9" pageNumber="164">
<taxonomicName id="4C164D300B20FFAE2888FCD46BC536CE" authorityName="Zidarova, Levkov &amp; Van de Vijver" authorityYear="2014" box="[1179,1276,879,904]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="contii">L. contii</taxonomicName>
.
</emphasis>
Other
<taxonomicName id="4C164D300B20FFAE295DFCD56A9236CE" box="[1358,1451,878,904]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="genus">
<emphasis id="B962EAA10B20FFAE295DFCD56A9236CE" box="[1358,1451,878,904]" italics="true" pageId="9" pageNumber="164">Luticola</emphasis>
</taxonomicName>
taxa with a similar valve outline include
<taxonomicName id="4C164D300B20FFAE2E5CFC296B4836EA" authority="Levkov, Metzeltin &amp; Pavlov" authorityName="Levkov, Metzeltin &amp; Pavlov" box="[591,1137,914,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="cocquytiae">
<emphasis id="B962EAA10B20FFAE2E5CFC296C1536EA" box="[591,812,914,940]" italics="true" pageId="9" pageNumber="164">Luticola cocquytiae</emphasis>
Levkov, Metzeltin &amp; Pavlov
</taxonomicName>
in
<bibRefCitation id="EF874B420B20FFAE2887FC296A9E36EA" author="Levkov, Z. &amp; Metzeltin, D &amp; Pavlov, A." box="[1172,1447,914,940]" pageId="9" pageNumber="164" pagination="1 - 697" refId="ref8584" refString="Levkov, Z., Metzeltin, D &amp; Pavlov, A. (2013). Luticola and Luticolopsis. Diatoms of Europe 7: 1 - 697." type="journal article" year="2013">
Levkov
<emphasis id="B962EAA10B20FFAE28E2FC286A1036EA" box="[1265,1321,914,940]" italics="true" pageId="9" pageNumber="164">et al.</emphasis>
(2013: 89)
</bibRefCitation>
,
<taxonomicName id="4C164D300B20FFAE2C9BFC0C6DD83696" authority="(Bock) Levkov, Metzeltin &amp; Pavlov" authorityName="Levkov, Metzeltin &amp; Pavlov" baseAuthorityName="Bock" box="[136,737,950,977]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="pseudonivalis">
<emphasis id="B962EAA10B20FFAE2C9BFC0C6E783696" box="[136,321,950,976]" italics="true" pageId="9" pageNumber="164">L. pseudonivalis</emphasis>
(Bock) Levkov, Metzeltin &amp; Pavlov
</taxonomicName>
in
<bibRefCitation id="EF874B420B20FFAE2F14FC0D6B123696" author="Levkov, Z. &amp; Metzeltin, D &amp; Pavlov, A." box="[775,1067,950,976]" pageId="9" pageNumber="164" pagination="1 - 697" refId="ref8584" refString="Levkov, Z., Metzeltin, D &amp; Pavlov, A. (2013). Luticola and Luticolopsis. Diatoms of Europe 7: 1 - 697." type="journal article" year="2013">
Levkov
<emphasis id="B962EAA10B20FFAE2F76FC0C6CA73696" box="[869,926,950,976]" italics="true" pageId="9" pageNumber="164">et al.</emphasis>
(2013: 199)
</bibRefCitation>
and
<taxonomicName id="4C164D300B20FFAE2877FC0C6E5A36B2" authority="(McCall) Levkov, Metzeltin &amp; Pavlov" authorityName="Levkov, Metzeltin &amp; Pavlov" baseAuthorityName="McCall" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="pulchra">
<emphasis id="B962EAA10B20FFAE2877FC0C6BE33696" box="[1124,1242,950,976]" italics="true" pageId="9" pageNumber="164">L. pulchra</emphasis>
(McCall) Levkov, Metzeltin &amp; Pavlov
</taxonomicName>
in
<bibRefCitation id="EF874B420B20FFAE2D97FC616D9836B2" author="Levkov, Z. &amp; Metzeltin, D &amp; Pavlov, A." box="[388,673,986,1012]" pageId="9" pageNumber="164" pagination="1 - 697" refId="ref8584" refString="Levkov, Z., Metzeltin, D &amp; Pavlov, A. (2013). Luticola and Luticolopsis. Diatoms of Europe 7: 1 - 697." type="journal article" year="2013">
Levkov
<emphasis id="B962EAA10B20FFAE2DCCFC606D2F36B2" box="[479,534,986,1012]" italics="true" pageId="9" pageNumber="164">et al.</emphasis>
(2013: 202)
</bibRefCitation>
. They all have a finer striation pattern and proximal raphe endings that are bent or deflected opposite to the isolated pore-bearing side (
<tableCitation id="C69403080B20FFAE2F46FC456C94315E" box="[853,941,1022,1048]" captionStart="TABLE 3" captionStartId="11.[136,221,742,766]" captionText="TABLE 3. Table of comparison between L. contii sp. nov. and L. olegsakharovii sp. nov. and morphologically similar taxa with triundulate margins." pageId="9" pageNumber="164">Table 3</tableCitation>
). Other known
<taxonomicName id="4C164D300B20FFAE284DFC456B82315E" box="[1118,1211,1022,1048]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="genus">
<emphasis id="B962EAA10B20FFAE284DFC456B82315E" box="[1118,1211,1022,1048]" italics="true" pageId="9" pageNumber="164">Luticola</emphasis>
</taxonomicName>
taxa with triundulate margins are sufficiently different in valve outline and/or shape of the apices, striation and raphe structure to avoid confusion. In
<collectingCountry id="F30176230B20FFAE2D32FBFD6EA03126" box="[289,409,1094,1120]" name="Antarctica" pageId="9" pageNumber="164">Antarctica</collectingCountry>
, however, the species can be easily misidentified with
<emphasis id="B962EAA10B20FFAE2FEEFBFC6A253126" box="[1021,1308,1094,1120]" italics="true" pageId="9" pageNumber="164">
<taxonomicName id="4C164D300B20FFAE2FEEFBFC6BF93126" authority="Zidarova &amp; Levkov &amp; Vijver, 2014" authorityName="Zidarova &amp; Levkov &amp; Vijver" authorityYear="2014" box="[1021,1216,1094,1120]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="olegsakharovii" status="sp. nov.">L. olegsakharovii</taxonomicName>
<taxonomicNameLabel id="A25157DA0B20FFAE28D4FBFC6A253126" box="[1223,1308,1095,1120]" pageId="9" pageNumber="164" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(see below). Detailed comparison between these two Antarctic taxa is given under
<taxonomicName id="4C164D300B20FFAE2F85FBD06B6031C2" authorityName="Zidarova &amp; Levkov &amp; Vijver" authorityYear="2014" box="[918,1113,1130,1156]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="164" phylum="Bacillariophyta" rank="species" species="olegsakharovii">
<emphasis id="B962EAA10B20FFAE2F85FBD06B6031C2" box="[918,1113,1130,1156]" italics="true" pageId="9" pageNumber="164">L. olegsakharovii</emphasis>
</taxonomicName>
and in
<tableCitation id="C69403080B20FFAE28BFFBD16A3831C2" box="[1196,1281,1130,1156]" captionStart="TABLE 3" captionStartId="11.[136,221,742,766]" captionText="TABLE 3. Table of comparison between L. contii sp. nov. and L. olegsakharovii sp. nov. and morphologically similar taxa with triundulate margins." pageId="9" pageNumber="164">Table 3</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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