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@ -1,52 +1,53 @@
<document id="7FEE6890EBA4F633C2F83D90BF73F418" ID-DOI="10.11646/zootaxa.3669.2.9" ID-GBIF-Dataset="8f84a516-c020-49d1-866f-c869f6808344" ID-ISSN="1175-5326" ID-Zenodo-Dep="219213" ID-ZooBank="7874B97E-57A4-4678-9911-E3945DA9FB9B" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460630675872" checkinUser="plazi" docAuthor="Goldarazena, Arturo &amp; Infante, Francisco" docDate="2013" docId="2A6887F31426FFF793A4FE34FF07FA89" docLanguage="en" docName="zt03669p178.pdf" docOrigin="Zootaxa 3669 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Guerothrips Goldarazena &amp; Infante, 2013, gen. n." docType="treatment" docVersion="8" lastPageNumber="177" masterDocId="D651FF8B1427FFF29333FFE8FFE7FFB9" masterDocTitle="Guerothrips moundi, gen. et sp. n. (Thysanoptera, Thripidae) from Chiapas, Mexico" masterLastPageNumber="178" masterPageNumber="172" pageNumber="173" updateTime="1698334480014" updateUser="plazi">
<mods:mods id="D6391E39725DBC96292BE475E73E85EB" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="ED7199FE5D3196043CB5A48BB59798D6">
<mods:title id="ABA0D077CC3D3CC63CB411D55FEC893A">Guerothrips moundi, gen. et sp. n. (Thysanoptera, Thripidae) from Chiapas, Mexico</mods:title>
<document id="F9BD4D9823CDCA26BFEE8FEB0EB88160" ID-CLB-Dataset="43465" ID-DOI="10.11646/zootaxa.3669.2.9" ID-GBIF-Dataset="8f84a516-c020-49d1-866f-c869f6808344" ID-ISSN="1175-5326" ID-Zenodo-Dep="219213" ID-ZooBank="7874B97E-57A4-4678-9911-E3945DA9FB9B" IM.materialsCitations_approvedBy="julia" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="julia" checkinTime="1460630675872" checkinUser="plazi" docAuthor="Goldarazena, Arturo &amp; Infante, Francisco" docDate="2013" docId="2A6887F31426FFF793A4FE34FF07FA89" docLanguage="en" docName="zt03669p178.pdf" docOrigin="Zootaxa 3669 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Guerothrips Goldarazena &amp; Infante, 2013, gen. n." docType="treatment" docVersion="10" lastPageNumber="177" masterDocId="D651FF8B1427FFF29333FFE8FFE7FFB9" masterDocTitle="Guerothrips moundi, gen. et sp. n. (Thysanoptera, Thripidae) from Chiapas, Mexico" masterLastPageNumber="178" masterPageNumber="172" pageNumber="173" updateTime="1729279820033" updateUser="julia">
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<mods:titleInfo id="957541EC71EB04B24272B536BD50EDEE">
<mods:title id="60D77981DAC67B61BD7EBFB415A177F5">Guerothrips moundi, gen. et sp. n. (Thysanoptera, Thripidae) from Chiapas, Mexico</mods:title>
</mods:titleInfo>
<mods:name id="FC122C2756BD187FA36C24E7A0B05E39" type="personal">
<mods:role id="AD9BED1B501D41943FF7C68E5988442D">
<mods:roleTerm id="5EA4D1F2A6940E8E6D1AF0E9115CC773">Author</mods:roleTerm>
<mods:name id="DD920593C8F3AB6683C50CF1E585EF88" type="personal">
<mods:role id="25E4F10D08E605CA17EF1EFCEE4980EF">
<mods:roleTerm id="1BFFD3EEA79361B914328BB71E57E5E7">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="0722C17379E9F5E39D103C246DAA9E33">Goldarazena, Arturo</mods:namePart>
<mods:namePart id="171F002D167BA631569A988F0E5DD5BA">Goldarazena, Arturo</mods:namePart>
</mods:name>
<mods:name id="D9CA3BEDF457B8BFEF30814CA5A15DC8" type="personal">
<mods:role id="471D340A82A6FDB369B459EA74BD8EE0">
<mods:roleTerm id="E6298ECF43FCBC6EBF1EA759420F3181">Author</mods:roleTerm>
<mods:name id="7E045BAB67951289272B21F9C75D3E5F" type="personal">
<mods:role id="252F3AED6332C113F23F640644E90C9F">
<mods:roleTerm id="F1768DA08E5B5E613FF5CAC47F2C5C51">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E81AF2F16CFF1DDE3BE5F9030854E88E">Infante, Francisco</mods:namePart>
<mods:namePart id="F1F11316D45B16F527B46A18E88C2525">Infante, Francisco</mods:namePart>
</mods:name>
<mods:typeOfResource id="84ECBFC16533BE5B967A9D070A8CB277">text</mods:typeOfResource>
<mods:relatedItem id="80E5FC4898CD91C2E0C862E287B54B23" type="host">
<mods:titleInfo id="83A4CF68544A039DC7B99C246FD91150">
<mods:title id="7AEA9A0982914FC2A27EB35193988FF4">Zootaxa</mods:title>
<mods:typeOfResource id="DE3D1A3D6A586C769CF31E5F32F5DBA5">text</mods:typeOfResource>
<mods:relatedItem id="A89485CBB046FA9798E2A004E1210958" type="host">
<mods:titleInfo id="9D496A8F468D335A529805BFA070922B">
<mods:title id="5B9AA3344C26C1606DE94A4DA825388E">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="AC721CB2D17A79FA9077C573E6CE9A53">
<mods:date id="6B6E2A1793E0BDB10A2106F836173FD8">2013</mods:date>
<mods:detail id="9F8D486BB3B7C8A5D65860E11E3EBAEB" type="volume">
<mods:number id="6C9B4B9529C496264ACB9F6D2BD8E451">3669</mods:number>
<mods:part id="CDE821D6BD138E5D47006BC3630BF4F4">
<mods:date id="29C69D41357562FA4769A3C678ECE095">2013</mods:date>
<mods:detail id="EA7B74B4F19CB4A57F270957E556C6A4" type="volume">
<mods:number id="AADC4A80BFDD7D2892F0A5F8298EEA60">3669</mods:number>
</mods:detail>
<mods:detail id="53176290BBE44A601B7FBFAFC8A2A2C5" type="issue">
<mods:number id="13614A813610FFABC2B365C5036544E5">2</mods:number>
<mods:detail id="BD97E2E9BD03E6FF6EC9A95ACFBB33AD" type="issue">
<mods:number id="655D4A0720A830CA1284EFD665A1BF1B">2</mods:number>
</mods:detail>
<mods:extent id="76495A6DED8411FDB78F49A54E65B19A" unit="page">
<mods:start id="DF2DE28820AF16D53F6074A907B8E195">172</mods:start>
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</mods:extent>
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</mods:relatedItem>
<mods:classification id="406FB231CDDB6C3EF1EE92EF2B023B77">journal article</mods:classification>
<mods:identifier id="184479014AA1026D5CD8F3348E63A663" type="DOI">10.11646/zootaxa.3669.2.9</mods:identifier>
<mods:identifier id="92F9F73BEE5037674069C7BA66A1BC7A" type="GBIF-Dataset">8f84a516-c020-49d1-866f-c869f6808344</mods:identifier>
<mods:identifier id="0207A67B58CCF76DC64E98160A0DDCE8" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="A92D6D45FE743F79E13B711945444F45" type="Zenodo-Dep">219213</mods:identifier>
<mods:identifier id="7F0982C57D55AC71E949CA347588DF90" type="ZooBank">7874B97E-57A4-4678-9911-E3945DA9FB9B</mods:identifier>
<mods:classification id="92798DF1ADD57E10B7BE760F6E7D0121">journal article</mods:classification>
<mods:identifier id="25364EF4311F506D884393B5BF9DDAA7" type="CLB-Dataset">43465</mods:identifier>
<mods:identifier id="2F40517554F47317ABE7746D5B04EA46" type="DOI">10.11646/zootaxa.3669.2.9</mods:identifier>
<mods:identifier id="ED0D4033988A9A141555951A710DC434" type="GBIF-Dataset">8f84a516-c020-49d1-866f-c869f6808344</mods:identifier>
<mods:identifier id="136364E3ED6B32D376423038443EFB77" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="2F9B72243991D2855BF7F002A5A4FE3E" type="Zenodo-Dep">219213</mods:identifier>
<mods:identifier id="D15D4066BF129131149EDBACE5AD4189" type="ZooBank">7874B97E-57A4-4678-9911-E3945DA9FB9B</mods:identifier>
</mods:mods>
<treatment id="2A6887F31426FFF793A4FE34FF07FA89" ID-DOI="http://doi.org/10.5281/zenodo.6149030" ID-GBIF-Taxon="119569931" ID-Zenodo-Dep="6149030" LSID="urn:lsid:plazi:treatment:2A6887F31426FFF793A4FE34FF07FA89" httpUri="http://treatment.plazi.org/id/2A6887F31426FFF793A4FE34FF07FA89" lastPageId="5" lastPageNumber="177" pageId="1" pageNumber="173">
<subSubSection id="EADB656E1426FFF393A4FE34FCA4F84B" pageId="1" pageNumber="173" type="nomenclature">
<paragraph id="A27E36E51426FFF393A4FE34FE64FE4C" blockId="1.[151,387,475,502]" box="[151,387,475,502]" pageId="1" pageNumber="173">
<heading id="F93681891426FFF393A4FE34FE64FE4C" bold="true" box="[151,387,475,502]" fontSize="11" level="1" pageId="1" pageNumber="173" reason="1">
<emphasis id="90B5EAF71426FFF393A4FE34FE64FE4C" bold="true" box="[151,387,475,502]" pageId="1" pageNumber="173">
<taxonomicName id="65C14D661426FFF393A4FE34FECDFE4F" box="[151,298,476,502]" class="Magnoliopsida" family="Sterculiaceae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="1" pageNumber="173" phylum="Magnoliophyta" rank="genus" status="gen. nov.">
<taxonomicName id="65C14D661426FFF393A4FE34FECDFE4F" box="[151,298,476,502]" class="Insecta" family="Thipidae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Animalia" order="Thysanoptera" pageId="1" pageNumber="173" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="90B5EAF71426FFF393A4FE34FECDFE4F" bold="true" box="[151,298,476,502]" italics="true" pageId="1" pageNumber="173">Guerothrips</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8B86578C1426FFF39202FE33FE64FE4C" box="[305,387,475,501]" pageId="1" pageNumber="173" rank="genus">gen. n.</taxonomicNameLabel>
@ -79,7 +80,7 @@ Thripidae-Thripinae with females and males brachypterous. Antennae 8-segmented (
); tergite IX without stout setae.
<typeStatus id="7D7A88471426FFF393A4FB43FF28FB7A" box="[151,207,1195,1219]" pageId="1" pageNumber="173">Type</typeStatus>
species
<taxonomicName id="65C14D661426FFF3921EFB43FDF7FB7A" box="[301,528,1195,1219]" class="Magnoliopsida" family="Sterculiaceae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="1" pageNumber="173" phylum="Magnoliophyta" rank="species" species="moundi" status="sp. nov.">
<taxonomicName id="65C14D661426FFF3921EFB43FDF7FB7A" box="[301,528,1195,1219]" class="Insecta" family="Thipidae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Animalia" order="Thysanoptera" pageId="1" pageNumber="173" phylum="Arthropoda" rank="species" species="moundi" status="sp. nov.">
<emphasis id="90B5EAF71426FFF3921EFB43FDF7FB7A" box="[301,528,1195,1219]" italics="true" pageId="1" pageNumber="173">Guerothrips moundi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8B86578C1426FFF39124FB43FDB1FB7A" box="[535,598,1195,1219]" pageId="1" pageNumber="173" rank="species">
@ -118,7 +119,7 @@ is similar to
<emphasis id="90B5EAF71426FFF390F7F9FBFBBFF992" box="[964,1112,1555,1579]" italics="true" pageId="1" pageNumber="173">Frankliniella</emphasis>
</taxonomicName>
and
<taxonomicName id="65C14D661426FFF39797F9FBFACBF992" box="[1188,1324,1555,1579]" class="Magnoliopsida" family="Sterculiaceae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="1" pageNumber="173" phylum="Magnoliophyta" rank="genus" status="gen. nov.">
<taxonomicName id="65C14D661426FFF39797F9FBFACBF992" box="[1188,1324,1555,1579]" class="Insecta" family="Thipidae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Animalia" order="Thysanoptera" pageId="1" pageNumber="173" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="90B5EAF71426FFF39797F9FBFACBF992" box="[1188,1324,1555,1579]" italics="true" pageId="1" pageNumber="173">Guerothrips</emphasis>
</taxonomicName>
in most characteristics but the mouth cone is exceptionally long, a craspedum is present on the posterior margin of the tergites, and the median setae on the metanotum are far back from the anterior margin (Mound &amp; Marullo 1996).
@ -155,7 +156,7 @@ and
all have 8–9 antennal segments and sternal discal setae, but lack tergal ctenidia, males have a glandular opening between sternites II–III, and the fore wing setal rows are interrupted or irregular on both veins (de Borbón 2008).
</paragraph>
<paragraph id="A27E36E51426FFF393A4F887FE33F830" blockId="1.[151,468,1903,1929]" box="[151,468,1903,1929]" pageId="1" pageNumber="173">
<taxonomicName id="65C14D661426FFF393A4F887FE69F830" box="[151,398,1903,1929]" class="Magnoliopsida" family="Sterculiaceae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="1" pageNumber="173" phylum="Magnoliophyta" rank="species" species="moundi" status="sp. nov.">
<taxonomicName id="65C14D661426FFF393A4F887FE69F830" box="[151,398,1903,1929]" class="Insecta" family="Thipidae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Animalia" order="Thysanoptera" pageId="1" pageNumber="173" phylum="Arthropoda" rank="species" species="moundi" status="sp. nov.">
<emphasis id="90B5EAF71426FFF393A4F887FE69F830" bold="true" box="[151,398,1903,1929]" italics="true" pageId="1" pageNumber="173">Guerothrips moundi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8B86578C1426FFF392A6F899FE33F830" box="[405,468,1905,1929]" pageId="1" pageNumber="173" rank="species">
@ -167,7 +168,7 @@ all have 8–9 antennal segments and sternal discal setae, but lack tergal cteni
<caption id="F6BE666D1425FFF093A4F85AFF37F851" httpUri="https://zenodo.org/record/219214/files/figure.png" pageId="2" pageNumber="174" targetBox="[196,1400,195,1951]" targetPageId="2">
<paragraph id="A27E36E51425FFF093A4F85AFF37F851" blockId="2.[151,1435,1970,2024]" pageId="2" pageNumber="174">
<emphasis id="90B5EAF71425FFF093A4F85AFEDDF871" bold="true" box="[151,314,1970,1993]" pageId="2" pageNumber="174">FIGURES 1–6.</emphasis>
<taxonomicName id="65C14D661425FFF09272F85BFDE9F870" box="[321,526,1971,1993]" class="Magnoliopsida" family="Sterculiaceae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="2" pageNumber="174" phylum="Magnoliophyta" rank="species" species="moundi" status="sp. nov.">
<taxonomicName id="65C14D661425FFF09272F85BFDE9F870" box="[321,526,1971,1993]" class="Insecta" family="Thipidae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Animalia" order="Thysanoptera" pageId="2" pageNumber="174" phylum="Arthropoda" rank="species" species="moundi" status="sp. nov.">
<emphasis id="90B5EAF71425FFF09272F85BFDE9F870" box="[321,526,1971,1993]" italics="true" pageId="2" pageNumber="174">Guerothrips moundi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8B86578C1425FFF09127F85BFDA9F871" box="[532,590,1971,1992]" pageId="2" pageNumber="174" rank="species">
@ -190,7 +191,7 @@ all have 8–9 antennal segments and sternal discal setae, but lack tergal cteni
<emphasis id="90B5EAF71423FFF692F6F85FFD92F874" box="[453,629,1975,1997]" italics="true" pageId="4" pageNumber="176">Waltheria indica</emphasis>
</taxonomicName>
, plant with flowers; (16) Map of Mexico showing the collection site of
<taxonomicName id="65C14D661423FFF693A4F83EFE83F855" box="[151,356,2006,2028]" class="Magnoliopsida" family="Sterculiaceae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="4" pageNumber="176" phylum="Magnoliophyta" rank="species" species="moundi" status="sp. nov.">
<taxonomicName id="65C14D661423FFF693A4F83EFE83F855" box="[151,356,2006,2028]" class="Insecta" family="Thipidae" genus="Guerothrips" higherTaxonomySource="GBIF" kingdom="Animalia" order="Thysanoptera" pageId="4" pageNumber="176" phylum="Arthropoda" rank="species" species="moundi" status="sp. nov.">
<emphasis id="90B5EAF71423FFF693A4F83EFE83F855" box="[151,356,2006,2028]" italics="true" pageId="4" pageNumber="176">Guerothrips moundi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8B86578C1423FFF69259F83EFE44F852" box="[362,419,2006,2027]" pageId="4" pageNumber="176" rank="species">
@ -238,28 +239,64 @@ male in microns). Body length distended 1020. Head, length 72, width 100; ocella
<paragraph id="A27E36E51422FFF793F4FDAFFE67FCAD" blockId="5.[151,1437,151,1328]" pageId="5" pageNumber="177">
<emphasis id="90B5EAF71422FFF793F4FDAFFE55FDD9" bold="true" box="[199,434,583,608]" pageId="5" pageNumber="177">Material examined</emphasis>
.
<materialsCitation id="12A93CB81422FFF792FAFDAFFA7AFD3D" collectingDate="2012-01-06" collectorName="Antonio Giron &amp; Uriel Garay" country="Mexico" location="from flowers of Waltheria indica" municipality="Tapachula" pageId="5" pageNumber="177" specimenCount="1" specimenCount-female="1" stateProvince="Chiapas" typeStatus="holotype">
<typeStatus id="7D7A88471422FFF792FAFDAFFDD6FDE6" box="[457,561,583,607]" pageId="5" pageNumber="177" type="holotype">Holotype</typeStatus>
female brachypterous,
<specimenCount id="B4C7FD6C1422FFF79172FDAFFD6AFDE6" box="[577,653,583,607]" pageId="5" pageNumber="177" type="female">female</specimenCount>
brachypterous,
<collectingCountry id="DAD676751422FFF79060FDAFFC2EFDD9" box="[851,969,583,608]" name="Mexico" pageId="5" pageNumber="177">
<emphasis id="90B5EAF71422FFF79060FDAFFC2EFDD9" bold="true" box="[851,969,583,608]" pageId="5" pageNumber="177">MEXICO</emphasis>
</collectingCountry>
, Tapachula, Chiapas, from flowers of
,
<collectingMunicipality id="421AAC9F1422FFF790D3FDAFFBB1FDE6" box="[992,1110,583,607]" pageId="5" pageNumber="177">Tapachula</collectingMunicipality>
,
<collectingRegion id="6005F8071422FFF7975AFDAFFB21FDE6" box="[1129,1222,583,607]" country="Mexico" name="Chiapas" pageId="5" pageNumber="177">Chiapas</collectingRegion>
,
<location id="A71E603E1422FFF797E9FDAFFEB3FD3D" LSID="urn:lsid:plazi:treatment:2A6887F31426FFF793A4FE34FF07FA89:A71E603E1422FFF797E9FDAFFEB3FD3D" country="Mexico" municipality="Tapachula" name="from flowers of Waltheria indica" pageId="5" pageNumber="177" stateProvince="Chiapas">
from flowers of
<taxonomicName id="65C14D661422FFF793A4FD84FEB3FD3D" box="[151,340,620,644]" class="Magnoliopsida" family="Malvaceae" genus="Waltheria" kingdom="Plantae" order="Malvales" pageId="5" pageNumber="177" phylum="Tracheophyta" rank="species" species="indica">
<emphasis id="90B5EAF71422FFF793A4FD84FEB3FD3D" box="[151,340,620,644]" italics="true" pageId="5" pageNumber="177">Waltheria indica</emphasis>
</taxonomicName>
</location>
,
<date id="D67F10251422FFF79256FD84FE27FD3D" box="[357,448,620,644]" pageId="5" pageNumber="177" value="2012-01-06">6.i.2012</date>
(Antonio Girón &amp; Uriel Garay) (deposited in the Natural History Museum, London).
<date id="D67F10251422FFF79256FD84FE27FD3D" box="[357,448,620,644]" pageId="5" pageNumber="177" value="2012-01-06">
<collectingDate id="C63BE9CD1422FFF79256FD84FE27FD3D" box="[357,448,620,644]" pageId="5" pageNumber="177" value="2012-01-06">6.i.2012</collectingDate>
</date>
(
<collectorName id="0F3453331422FFF792E2FD84FD9EFD3D" box="[465,633,620,644]" pageId="5" pageNumber="177">Antonio Girón</collectorName>
&amp;
<collectorName id="0F3453331422FFF79190FD84FCCBFD3D" box="[675,812,620,644]" pageId="5" pageNumber="177">Uriel Garay</collectorName>
) (deposited in the Natural History Museum, London).
</materialsCitation>
<materialsCitation id="12A93CB81422FFF793A4FD78FB42FD1E" box="[151,1189,655,680]" pageId="5" pageNumber="177" specimenCount="2" specimenCount-female="1" specimenCount-male="1" typeStatus="paratype">
<typeStatus id="7D7A88471422FFF793A4FD78FEEFFD11" box="[151,264,656,680]" pageId="5" pageNumber="177" type="paratype">Paratypes</typeStatus>
: 4 brachypterous females and 1 brachypterous male collected with the
<typeStatus id="7D7A88471422FFF79708FD67FB46FD1E" box="[1083,1185,655,679]" pageId="5" pageNumber="177" type="holotype">holotype</typeStatus>
. One
<typeStatus id="7D7A88471422FFF797D5FD78FAA0FD11" box="[1254,1351,656,680]" pageId="5" pageNumber="177" type="paratype">paratype</typeStatus>
female will be deposited in the entomological collection of ECOSUR (Tapachula, Chiapas,
: 4 brachypterous
<specimenCount id="B4C7FD6C1422FFF792E7FD67FDCCFD1E" box="[468,555,655,679]" pageId="5" pageNumber="177" type="female">females</specimenCount>
and 1 brachypterous
<specimenCount id="B4C7FD6C1422FFF79015FD67FCBBFD1E" box="[806,860,655,679]" pageId="5" pageNumber="177" type="male">male</specimenCount>
collected with the holotype.
</materialsCitation>
<materialsCitation id="12A93CB81422FFF7979DFD67FB51FD75" country="Mexico" location="Tapachula" municipality="Tapachula" pageId="5" pageNumber="177" specimenCount="1" specimenCount-female="1" stateProvince="Chiapas" typeStatus="paratype">
<specimenCount id="B4C7FD6C1422FFF7979DFD67FB3AFD1E" box="[1198,1245,655,679]" pageId="5" pageNumber="177" type="female">One</specimenCount>
<typeStatus id="7D7A88471422FFF797D5FD78FAA0FD11" box="[1254,1351,656,680]" pageId="5" pageNumber="177">paratype</typeStatus>
female will be deposited in the entomological collection of ECOSUR (
<collectingMunicipality id="421AAC9F1422FFF7905AFD5CFC07FD75" box="[873,992,692,716]" pageId="5" pageNumber="177">Tapachula</collectingMunicipality>
,
<collectingRegion id="6005F8071422FFF790DEFD5CFBADFD75" box="[1005,1098,692,716]" country="Mexico" name="Chiapas" pageId="5" pageNumber="177">Chiapas</collectingRegion>
,
<collectingCountry id="DAD676751422FFF79764FD5CFB49FD75" box="[1111,1198,692,716]" name="Mexico" pageId="5" pageNumber="177">Mexico</collectingCountry>
) and other female in the Senckenberg Museum (Frankfurt,
<collectingCountry id="DAD676751422FFF79169FD3FFD20FD56" box="[602,711,727,751]" name="Germany" pageId="5" pageNumber="177">Germany</collectingCountry>
). One female and one male will be deposited in the Neiker collection of Insects.
)
</materialsCitation>
<materialsCitation id="12A93CB81422FFF7978DFD5CFD34FD56" pageId="5" pageNumber="177" specimenCount="1" specimenCount-female="1">
and other
<specimenCount id="B4C7FD6C1422FFF79602FD5CFA9AFD75" box="[1329,1405,692,716]" pageId="5" pageNumber="177" type="female">female</specimenCount>
in the Senckenberg Museum (Frankfurt, Germany).
</materialsCitation>
<materialsCitation id="12A93CB81422FFF791D3FD3FFE67FCAD" pageId="5" pageNumber="177" specimenCount="2" specimenCount-female="1" specimenCount-male="1">
<specimenCount id="B4C7FD6C1422FFF791D3FD3FFC8FFD56" box="[736,872,727,751]" count="1" pageId="5" pageNumber="177" type="female">One female</specimenCount>
and
<specimenCount id="B4C7FD6C1422FFF79098FD30FBF0FD56" box="[939,1047,727,751]" count="1" pageId="5" pageNumber="177" type="male">one male</specimenCount>
will be deposited in the Neiker collection of Insects.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="EADB656E1422FFF793F4FCC8FF07FA89" pageId="5" pageNumber="177" type="etymology">

1380
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<mods:title id="71636B1AE37CE1763170408195FA0AE9">Nomenclature and systematics of two Cocconeis species (Bacillariophyta) from Lake Baikal: Cocconeis baicalensis and Cocconeis skvortzowii</mods:title>
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<mods:namePart id="35F9DF3F4A18A930ADCDE7684F73600F">Gogorev, Rinat</mods:namePart>
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<mods:affiliation id="71DF1A09122294E87FC6943A3D12D8D4">Komarov Botanical Institute RAS, 2 Prof. Popova St., Saint Petersburg, 197022, Russia</mods:affiliation>
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<mods:namePart id="873894AB1E185E41C8C39E3FF6D5C9D2">Yurchak, Maria</mods:namePart>
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<mods:affiliation id="C7E6B9EEDDF449A6D9A983C858F5366E">Komarov Botanical Institute RAS, 2 Prof. Popova St., Saint Petersburg, 197022, Russia</mods:affiliation>
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<mods:namePart id="5110B8EC1ADC7B32C540053168F1A4E7">Sokolova, Irina</mods:namePart>
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<mods:affiliation id="CD36C89292921A60C9F8FFF04977264A">К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276, Russia</mods:affiliation>
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<mods:affiliation id="ACB30F4EEAD58212DABC79A1F1D2EA80">К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276, Russia</mods:affiliation>
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<mods:title id="E6E46720F410BC9070FEEF55F2B251D5">PhytoKeys</mods:title>
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<mods:date id="64D44C0606EAE581A95956518283A1F5">2024</mods:date>
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<treatment id="69A3A1EC76E0563FA880815F214FB309" ID-arpha="69A3A1EC-76E0-563F-A880-815F214FB309" LSID="urn:lsid:plazi:treatment:69A3A1EC76E0563FA880815F214FB309" httpUri="http://treatment.plazi.org/id/69A3A1EC76E0563FA880815F214FB309">
<subSubSection id="9B21E0B0EAA34CE5BEF28161FA9165C4" type="nomenclature">
<paragraph id="409A2257263F2B02452EBC68879B6A1F">
<taxonomicName id="1B37C83F8C4CE1DF6DDC22195642ADD4" authority="(Sheshukova) Sheshukova 1951" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cocconeidales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="478491C465B3C76199C3B2F53A4DE90A" italics="true">Cocconeis skvortzowii</emphasis>
(Sheshukova)
<bibRefCitation id="23968427E55963A2C1076373A5F6C408" author="Sheshukova VS" refId="B21" refString="Sheshukova VS (1951) Podporyadok Monoraphineae - Odnoshovnye [Subordo Monoraphineae]. Opredelitel presnovodnykh vodoroslei SSSR. Vypusk 4. Diatomovye vodorosli. Sovetskaya Nauka, Moscow, 188 - 231. [In Russian]" year="1951">
Sheshukova
<quantity id="FB408A64F2F7995A3DEBB88685918F8B" metricMagnitude="1" metricUnit="m" metricValue="4.95554" unit="in" value="1951.0">1951 in</quantity>
</bibRefCitation>
</taxonomicName>
Proshkina-Lavrenko (ed.) Opredelitel presnovodnykh vodoroslei SSSR 4: 193, figs 104 a – c (with indirect reference; with authorship of basionym “ Skv. ”) emend. Gogorev &amp; Yurchak
</paragraph>
</subSubSection>
<subSubSection id="F80F791BC1066CF124C67EC58157885C" type="reference_group">
<paragraph id="688326707D0C2F57EC7F2CDAD53CF161">
<treatmentCitationGroup id="E3D6E313B3B8328F9775D57223DB83B7">
<treatmentCitation id="DF4DF59A9EE85988B756D25E67DA56BE">
<taxonomicName id="008336069F523AE3CA268E36FD81D4E3" authority="Skabichevskij ex Sheshukova 1950" authorityName="Skabichevskij ex Sheshukova" authorityYear="1950" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="variety" species="placentula" variety="skvortzowii">
<emphasis id="AC7A74BB1F91E1962D7D76B2F6EFE5E5" italics="true">Cocconeis placentula</emphasis>
Ehrenberg
<emphasis id="AB42C86996AA75A022CD7FE47E636574" italics="true">var. skvortzowii</emphasis>
Skabichevskij ex
<bibRefCitation id="DF3EF07364CB249063729B51CE2E7584" author="Sheshukova" firstAuthor="Sheshukova" refId="B20" refString="Sheshukova VS (1950) Subordo Monoraphineae ... Diatomovyi analiz. Opredelitel iskopaemykh i sovremennykh diatomovykh vodoroslei. Kniga 3. Poryadok Pennales State Publishing House of Geological Literature, Leningrad, Russia, 78–116. [In Russian]" year="1950">
Sheshukova
<quantity id="2B2C09796D03BD3DB7EE84C097F53962" metricMagnitude="1" metricUnit="m" metricValue="4.953" unit="in" value="1950.0">1950 in</quantity>
</bibRefCitation>
</taxonomicName>
</treatmentCitation>
Proshkina-Lavrenko (ed.)
<emphasis id="E935EC96177C3D8793C40B649779FB49" italics="true">Diatomovyi analiz</emphasis>
3: 86, pl. 30, figs 10 a, b (with indirect reference; as combination with authorship “ (Skv.) Skabitsch. ”). Basionym.
</treatmentCitationGroup>
</paragraph>
<paragraph id="87143AF6926F18DC0A6AD01FAE12D805">
<treatmentCitationGroup id="0E86ED85590E2C2AFF2629332244FDBD">
<treatmentCitation id="2436EB8F36FC085B96FCB4658781E919">
<taxonomicName id="6A72BD9274A31C1FE55EB7B9F58A966F" authority="Skvortzov 1937" authorityName="Skvortzov (Skvortzow" authorityYear="1937" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="variety" species="placentula" variety="baikalensis">
<emphasis id="241FDF6534B2590A70145D3BF0730C1B" italics="true">Cocconeis placentula</emphasis>
Ehrenberg
<emphasis id="04D724EC16DE6F92702A24A8A6F13BDD" italics="true">var. baikalensis</emphasis>
Skvortzov
<quantity id="7DA5C7677DFE38E991DD1A42165EEDB0" metricMagnitude="1" metricUnit="m" metricValue="4.91998" unit="in" value="1937.0">1937 in</quantity>
</taxonomicName>
</treatmentCitation>
<emphasis id="016CB14EA9E6C11005C39D33FBEE8464" italics="true">Philippine Journal of Science</emphasis>
,
<emphasis id="BED49843399B7134E9CB6EB8A0B129C3" italics="true">C</emphasis>
62 (3): 310, pl. 5, figs 5, 7, 8, illegitimate name, later homonym of
<taxonomicName id="DB1416CA23608661B2D5177A6615EE5C" authority="Skvortzov &amp; K. I. Meyer 1928" authorityName="Skvortzov &amp; K. I. Meyer" authorityYear="1928" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="variety" species="placentula" variety="baicalensis">
<emphasis id="67D83B8D05A70B330E5E51DE1883D412" italics="true">C. placentula var. baicalensis</emphasis>
Skvortzov &amp; K. I. Meyer 1928
</taxonomicName>
. Replaced synonym.
</treatmentCitationGroup>
</paragraph>
<paragraph id="DE4D438010EBFF82847CF10160A02DA1">
<treatmentCitationGroup id="BF6931E9E94BDA0A262676C9F80D92FF">
<treatmentCitation id="C7AFB903B50ED276871B36EB8605DCB8">
≡
<taxonomicName id="BB75F8FCDFB88A2227CCF7DEA9F18289" authority="Skabichevskij 1952" authorityName="Skabichevskij" authorityYear="1952" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="variety" species="placentula" variety="sibirica">
<emphasis id="A8E60AAD1CE2A5EA6BDD453E4CAA5231" italics="true">Cocconeis placentula</emphasis>
Ehrenberg
<emphasis id="48B7D063D4B06D530026090883F6B745" italics="true">var. sibirica</emphasis>
Skabichevskij
<quantity id="636EF624A323B3FAA8D809C7D3824F77" metricMagnitude="1" metricUnit="m" metricValue="4.95808" unit="in" value="1952.0">1952 in</quantity>
</taxonomicName>
</treatmentCitation>
<emphasis id="D9F44C51F3EFAF9B17A4DEA80250CC52" italics="true">
Botanicheskie materialy otdela sporovykh rasteniy Botanicheskogo instituta imeni
<collectionCode id="C1A5DA7D838C3B6975E6DB566D28A115" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" type="Museum">V</collectionCode>
. L. Komarova
</emphasis>
8: 36 (as combination with authorship of basionym “ Skv. ”), illegitimate superfluous name. ≡
<taxonomicName id="E6FC82B4A1747850FFF55AAA72B328AF" authority="Skabichevskij 1977" authorityName="Skabichevskij" authorityYear="1977" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="subSpecies" species="placentula" subSpecies="sibirica">
<emphasis id="0EFBCECF4282EEA2E08EC669016A64D3" italics="true">Cocconeis placentula</emphasis>
Ehrenberg
<emphasis id="5C90232B49110F247F834C37CAA41043" italics="true">subsp. sibirica</emphasis>
Skabichevskij
<quantity id="FBCAF4797BDE47875AB421453C39DA72" metricMagnitude="1" metricUnit="m" metricValue="5.02158" unit="in" value="1977.0">1977 in</quantity>
</taxonomicName>
<emphasis id="46F85710BC388C0CCA4065CC1F213D84" italics="true">Prirodnye kompleksy nizshikh rastenii Zapadnoi Sibiri</emphasis>
: 127, fig. 2, 9–11 (as combination with authorship of basionym “ Skv. ”). Synonyms.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EV2BI" type="type material">
<paragraph id="1538F768917089FFF1BE19334AAB99A6">
<heading id="A4CE80FA4D52FB549A7D1931B816B489" reason="title">Type materials.</heading>
</paragraph>
<paragraph id="87487D4C9ED154082B6DDD1CAB7917F8">
<materialsCitation id="D6DB9734CDC1E6737C0A299071E33E6B" country="Russia" county="Lake Baikal" location="Cape Kotelnikovskiy" municipality="Boguchanskaya Gulf" specimenCount="1" stateProvince="Siberia" typeStatus="lectotype">
<emphasis id="A003E8D2B3006E52CD5C48D7DF984E35" bold="true" italics="true">
<typeStatus id="624A9DFB926D323A6A6AD44A132EE67A" type="lectotype">Lectotype</typeStatus>
</emphasis>
• (designated here): Skvortzov, 1937, Philippine Journal of Science, Section C 62 (3): 310, Pl. 5, figs 7, 8
</materialsCitation>
.
</paragraph>
<paragraph id="CFFDF086285B81B7E7461FFDD47094B9">
<materialsCitation id="F4C27430F527225DB5896134CDDE1B6E" collectingDate="1965-07-20" collectionCode="BL" collectorName="A. P. Skabichevsky" location="Baikal" specimenCode="BL 15645" specimenCount="1" typeStatus="epitype">
<emphasis id="9DFCA51515D0A09F7C5F78BC16D6A927" bold="true" italics="true">
<typeStatus id="3B515A65E38C9B51A03309D969A3E52B" type="epitype">Epitype</typeStatus>
</emphasis>
• (designated here): figures here represented by Fig.
<figureCitation id="6F9DC25F5E6D86E404140B0016E6FD6C" captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Cocconeis skvortzowii A – F sternum valve A, B external view B sternum with ghost raphe and ghost areolae C, D internal view. SEM. Specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 4 µm (A, B, D); 5 µm (C)." figureDoi="10.3897/phytokeys.247.131353.figure18" httpUri="https://binary.pensoft.net/fig/1156088">18 C</figureCitation>
(
<location id="2714E62094E77938EEED7B35D8A55775" LSID="urn:lsid:plazi:treatment:69A3A1EC76E0563FA880815F214FB309:2714E62094E77938EEED7B35D8A55775" name="Baikal">Baikal</location>
, specimen
<specimenCode id="4745FDF98EF3C881FDD92C62CD0B0ABF">BL 15645</specimenCode>
, leg.
<collectorName id="45B745A6DEB2948D1E399A3349CD4940">A. P. Skabichevsky</collectorName>
,
<date id="8B7679128A98260265DC37FC8530C6F8" value="1965-07-20">
<collectingDate id="775590C7568029AD5E9E1D6F91FB9F6D" value="1965-07-20">20 July 1965</collectingDate>
</date>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EL3BI" type="type locality">
<paragraph id="3956C7A5E98916921AB4AD1F88F77992">
<heading id="E5431F861B701F9A23FDD515A16A34F6" reason="title">Type locality.</heading>
</paragraph>
<paragraph id="E1553D7A7F3C6A860F7587D96937C4F1">
<collectingCountry id="5F3DA295D0FEC1875B1E67557D80FEA1" name="Russia">Russia</collectingCountry>
,
<collectingRegion id="CD39BC9D1F316502D4A3B8B698A07223">Siberia</collectingRegion>
,
<collectingCounty id="A953EB2EF1229699376D022B28D0D151">Lake Baikal</collectingCounty>
,
<collectingCounty id="971E71983C304FBCA81AE66F956009BD">Olhon Gate</collectingCounty>
,
<collectingMunicipality id="241580148E88FE9757D65EDCEB79FD5E">Boguchanskaya Gulf</collectingMunicipality>
,
<collectingMunicipality id="1FA69DDAC0DD62E96E9BE58882E57C90">Cape Elokhin</collectingMunicipality>
,
<location id="FF55477DC1EB5E1C855B9E9BDD188964" LSID="urn:lsid:plazi:treatment:69A3A1EC76E0563FA880815F214FB309:FF55477DC1EB5E1C855B9E9BDD188964" country="Russia" county="Lake Baikal" municipality="Boguchanskaya Gulf" name="Cape Kotelnikovskiy" stateProvince="Siberia">Cape Kotelnikovskiy</location>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EQ3BI" type="description">
<paragraph id="F75DCF6F70F0A805DD0DFEEC9C505129">
<heading id="745159AD4369D61A70BE9EBF248F5944" reason="title">Description.</heading>
</paragraph>
<paragraph id="84966590BDD96C0D0BE4C73BFA4F599D">
<abbrev id="ABBRID0EW3BI" xlink_title="light microscopy">LM</abbrev>
(n = 17) (Fig.
<figureCitation id="77DB878E02B1D55D784CADB1E4229757" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Cocconeis skvortzowii A – C raphe valve D – Q sternum valve D – O, Q valve with ghost raphe. LM. Slides No. BL 18566 – BL 18675, Island Bolshoy Ushkaniy. Scale bar: 10 μm." figureDoi="10.3897/phytokeys.247.131353.figure16" httpUri="https://binary.pensoft.net/fig/1156086">16 A – Q</figureCitation>
). Valves lanceolate-elliptical, 8.9–16.1 μm in length (mean 12.7), 5.6–9.0 μm in breadth (mean 7.1). Length to breadth ratio 1.5–2.0: 1 (mean 1.8: 1).
<abbrev id="ABBRID0E53BI" xlink_title="raphe valve">RV</abbrev>
with straight raphe,
<abbrev id="ABBRID0EC4BI" xlink_title="sternum valve">SV</abbrev>
with broad lanceolate axial area. On
<abbrev id="ABBRID0EG4BI" xlink_title="raphe valve">RV</abbrev>
20–24 striae in 10 μm (mean 22), on
<abbrev id="ABBRID0EK4BI" xlink_title="sternum valve">SV</abbrev>
–
<quantity id="9AE8EE9A0E0DAE53EA3536EF37A40AF3" metricMagnitude="-1" metricUnit="m" metricValue="5.207" metricValueMax="5.842" metricValueMin="4.572" unit="in" value="20.5" valueMax="23.0" valueMin="18.0">18–23 in</quantity>
10 μm (mean 21.4). Often
<abbrev id="ABBRID0EO4BI" xlink_title="sternum valve">SV</abbrev>
with “ ghost raphe ”, so such valves similar to
<abbrev id="ABBRID0ES4BI" xlink_title="raphe valve">RV</abbrev>
in view. Valvocopula closed or open, with sparsely spaced fimbriae.
</paragraph>
<caption id="2846D7A3235C19F617B6D84716391739" ID-DOI="10.3897/phytokeys.247.131353.figure16" ID-arpha="107DBEDD-2F76-55F5-83DD-C3D6B8B4B0B8" httpUri="https://binary.pensoft.net/fig/1156086" startId="F16">
<paragraph id="091AC007A814ED31472E2DAA6E3C2BEC">
<label id="982FFC0837FC82B9FBA84DA00D23A570">Figure 16.</label>
</paragraph>
<paragraph id="6CA71ACCD3B3C550886427000E7E8A47">
<taxonomicName id="F42215A3FE16BC1F290DBA03F969635D" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="0D4883813DB651F51274DA1C7F26BFFD" italics="true">Cocconeis skvortzowii</emphasis>
</taxonomicName>
<emphasis id="3F82FB1F541DE1736B0514380045DEF8" bold="true">A – C</emphasis>
raphe valve
<emphasis id="05A587D16FBDDA6036AACAE434E204BD" bold="true">D – Q</emphasis>
sternum valve
<emphasis id="738C478CEF16BF16D18A3F78558E9223" bold="true">D – O, Q</emphasis>
valve with ghost raphe.
<abbrev id="ABBRID0EP5BI" xlink_title="light microscopy">LM</abbrev>
. Slides No. BL 18566 – BL 18675, Island Bolshoy Ushkaniy. Scale bar: 10 μm.
</paragraph>
</caption>
<paragraph id="7394D4D56BEB94A62324B9213FBE2A59">
<abbrev id="ABBRID0E15BI" xlink_title="scanning electron microscopy">SEM</abbrev>
(n = 17). Valves from elliptical to linear-elliptical, 11.6–27.0 μm in length (mean 14.7–16.7),
<quantity id="7E19E55C00251192FE1B321881F271E9" metricMagnitude="-1" metricUnit="m" metricValue="3.048" metricValueMax="4.4958" metricValueMin="1.6001999999999998" unit="in" value="12.0" valueMax="17.7" valueMin="6.3">6.3–17.7 in</quantity>
breadth (mean 9.1–10.5). Length to breadth ratio 1.3–1.9: 1 (mean 1.6: 1).
</paragraph>
<paragraph id="9B9E2675EB2CAC6291F0D51446884D16">
<abbrev id="ABBRID0EA6BI" xlink_title="raphe valve">RV</abbrev>
(n = 9). Valves concave, with slightly convex middle part. Axial area narrowly linear or indistinguishable. Striae uniseriate,
<quantity id="5C370FABDA26196D6A332B897E5F7C84" metricMagnitude="-1" metricUnit="m" metricValue="5.715" metricValueMax="6.096" metricValueMin="5.334" unit="in" value="22.5" valueMax="24.0" valueMin="21.0">21–24 in</quantity>
10 μm (mean 22.7). Areolae rounded or unevenly rounded,
<quantity id="86B04CFB00D38B7FB5D5090ABA0FB727" metricMagnitude="-1" metricUnit="m" metricValue="6.984999999999999" metricValueMax="8.382" metricValueMin="5.588" unit="in" value="27.5" valueMax="33.0" valueMin="22.0">22–33 in</quantity>
10 μm of stria (mean 29.1), absent at valve apices. Valve mantle (contra mantle) slightly reversed.
</paragraph>
<paragraph id="1BA50580CB1859A30167CF75E90F3B65">
<abbrev id="ABBRID0EG6BI" xlink_title="raphe valve">RV</abbrev>
, external view (Figs
<figureCitation id="7C224984D31C784A9783B7EA21537C1F" captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Cocconeis skvortzowii A – C raphe valve, external view C Lower valve (arrowhead) D – F sternum valve D, E external view F internal view. SEM A, C specimen No. BL 15646, Island Bolshoy Ushkaniy B, D – F specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 3 µm (A, B, D); 5 µm (C); 6 µm (E); 8 µm (F)." figureDoi="10.3897/phytokeys.247.131353.figure17" httpUri="https://binary.pensoft.net/fig/1156087">17 A – C</figureCitation>
,
<figureCitation id="6CEB5BF5DB61DD2D46A2469F8505C434" captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Cocconeis skvortzowii A – D raphe valve A – C external view D valve with valvocopula, internal view. SEM A, B specimen No. 336, Boguchanskaya Gulf C specimen No. 318, Kotelnikovskiy Mayak D Cape Elokhin. Scale bars: 2 µm (A – C); 5 µm (D)." figureDoi="10.3897/phytokeys.247.131353.figure19" httpUri="https://binary.pensoft.net/fig/1156089">19 A – C</figureCitation>
). Central area absent. Raphe straight, proximal endings slightly widened, distal endings more widened. Striae weakly radial, sometimes interrupted by clear or weakly defined narrow submarginal hyaline strips. Areolae increased in size and more densely located toward valve edge. Marginal ridge wider, 0.4–1.0 μm in breadth, and more distinct than submarginal hyaline strips.
</paragraph>
<caption id="945AFC9D2D4F8B34550A2DB5897C92C2" ID-DOI="10.3897/phytokeys.247.131353.figure17" ID-arpha="C4875417-338F-5378-B8E8-6A4E2707CDF8" httpUri="https://binary.pensoft.net/fig/1156087" startId="F17">
<paragraph id="5E05D4684AE482B015A2A8262DA421BB">
<label id="F43028BBB4D788FD9B73122365216EFB">Figure 17.</label>
</paragraph>
<paragraph id="E92661E2FA16753A822A5D9BB87B2301">
<taxonomicName id="532F1FFA4103C65E1942B20C86EC6FC1" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="37765CBE4FD564CB6C4B8D411436A4BD" italics="true">Cocconeis skvortzowii</emphasis>
</taxonomicName>
<emphasis id="C746D463C18526DC7917FF810B5926A3" bold="true">A – C</emphasis>
raphe valve, external view
<emphasis id="44BF059E640E612BF4BCD8898B463628" bold="true">C</emphasis>
Lower valve (arrowhead)
<emphasis id="612FFC1736908F90098494DC36AED324" bold="true">D – F</emphasis>
sternum valve
<emphasis id="FDEEB8A4E1A14964019D133D8DF60C4D" bold="true">D, E</emphasis>
external view
<emphasis id="3BD21DDE0756B3BE7837AB30EC403B47" bold="true">F</emphasis>
internal view.
<abbrev id="ABBRID0EPACI" xlink_title="scanning electron microscopy">SEM</abbrev>
<emphasis id="0201AE5AD99F256119EBFCC95851261C" bold="true">A, C</emphasis>
specimen No. BL 15646, Island Bolshoy Ushkaniy
<emphasis id="EDB4C5B4D74FF67CC033A8937825BC98" bold="true">B, D – F</emphasis>
specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 3 µm (
<emphasis id="82AFB6290FF9CD45CB23245D07520A06" bold="true">A, B, D</emphasis>
); 5 µm (
<emphasis id="15E914D2528770844A9076834A753A74" bold="true">C</emphasis>
); 6 µm (
<emphasis id="B57AA3E660A82F8F6566DC57385BEE22" bold="true">E</emphasis>
); 8 µm (
<emphasis id="C55B206D97876095F080721EA6C69705" bold="true">F</emphasis>
).
</paragraph>
</caption>
<paragraph id="AEC4EA0C4FFFC7D58F5615B43A1CA104">
<abbrev id="ABBRID0EGBCI" xlink_title="raphe valve">RV</abbrev>
, internal view (Fig.
<figureCitation id="3DB1930B881A6383A58693E66FCC4F99" captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Cocconeis skvortzowii A – D raphe valve A – C external view D valve with valvocopula, internal view. SEM A, B specimen No. 336, Boguchanskaya Gulf C specimen No. 318, Kotelnikovskiy Mayak D Cape Elokhin. Scale bars: 2 µm (A – C); 5 µm (D)." figureDoi="10.3897/phytokeys.247.131353.figure19" httpUri="https://binary.pensoft.net/fig/1156089">19 D</figureCitation>
). Central area small, round. Proximal raphe endings directed opposite, distal endings form small helictoglossae. Areolae equal in size.
</paragraph>
<paragraph id="2E2F518B6F619DF56FC3D8240F6ABE44">
<abbrev id="ABBRID0EQBCI" xlink_title="raphe valve valvocopula">
<collectionCode id="ACB35D304A5608D7CB7D2C836A39D429">RVVC</collectionCode>
</abbrev>
. Valvocopula closed, up to 1.3 μm in breadth, with straight or weakly curved fimbriae, up to 1.3–1.6 μm high,
<quantity id="AE9BAB9CBE2BECBA68E664CD8956184D" metricMagnitude="-1" metricUnit="m" metricValue="1.905" metricValueMax="2.032" metricValueMin="1.778" unit="in" value="7.5" valueMax="8.0" valueMin="7.0">7–8 in</quantity>
10 μm.
</paragraph>
<paragraph id="C52968679211A61725F0790A514F8F80">
<abbrev id="ABBRID0EWBCI" xlink_title="sternum valve">SV</abbrev>
(n = 8). Valves convex, with concave middle part. Axial area usually wide, lanceolate, rarely narrowly or broadly lanceolate, with often ghost raphe. Central area absent. Striae uniseriate,
<quantity id="52D0D8560B8F9BE528686766ADB61553" metricMagnitude="-1" metricUnit="m" metricValue="4.191" metricValueMax="5.08" metricValueMin="3.302" unit="in" value="16.5" valueMax="20.0" valueMin="13.0">13–20 in</quantity>
10 μm (mean 17.6), consisted of 2–4 elongated areolae.
</paragraph>
<paragraph id="3148CB93F2839501708F008EF9DFD5B1">
<abbrev id="ABBRID0E3BCI" xlink_title="sternum valve">SV</abbrev>
, external view (Figs
<figureCitation id="AE44B49CBE25833B57DA5724BC720D2C" captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Cocconeis skvortzowii A – C raphe valve, external view C Lower valve (arrowhead) D – F sternum valve D, E external view F internal view. SEM A, C specimen No. BL 15646, Island Bolshoy Ushkaniy B, D – F specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 3 µm (A, B, D); 5 µm (C); 6 µm (E); 8 µm (F)." figureDoi="10.3897/phytokeys.247.131353.figure17" httpUri="https://binary.pensoft.net/fig/1156087">17 D, E</figureCitation>
,
<figureCitation id="EA6D9576DC19CD93AC28078C8A5379C8" captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Cocconeis skvortzowii A – F sternum valve A, B external view B sternum with ghost raphe and ghost areolae C, D internal view. SEM. Specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 4 µm (A, B, D); 5 µm (C)." figureDoi="10.3897/phytokeys.247.131353.figure18" httpUri="https://binary.pensoft.net/fig/1156088">18 A, B</figureCitation>
). Openings of areolae slit-like, usually located in depression. Axial area often with ghost areolae (small depressions) located in “ striae ” or randomly.
</paragraph>
<caption id="FFD7F2972247E7A9D4DAB8EA4481900D" ID-DOI="10.3897/phytokeys.247.131353.figure18" ID-arpha="B7DA2705-B5B7-5E9F-A007-C9726E368E40" httpUri="https://binary.pensoft.net/fig/1156088" startId="F18">
<paragraph id="F3E7D11ABE9B3CE30CE426449A407571">
<label id="6EDA9B5C254790FD449053272AB0498B">Figure 18.</label>
</paragraph>
<paragraph id="9E1A113DAFB2425EAFA05A7027C9A93E">
<taxonomicName id="4CAC40A0AA3B508A73590F2FC79C54B9" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="AAD43B9BDF542E3A5541C4F24F6EDB0B" italics="true">Cocconeis skvortzowii</emphasis>
</taxonomicName>
<emphasis id="5F24C3C66BBFF800ED651120794AFD4A" bold="true">A – F</emphasis>
sternum valve
<emphasis id="31A986011FA701A41F9F7080850B6E1F" bold="true">A, B</emphasis>
external view
<emphasis id="0062AC47B3FC1A7E4C6DE1AD4C36EBE4" bold="true">B</emphasis>
sternum with ghost raphe and ghost areolae
<emphasis id="275D1C18200831155ABDB9346151ABED" bold="true">C, D</emphasis>
internal view.
<abbrev id="ABBRID0EDDCI" xlink_title="scanning electron microscopy">SEM</abbrev>
. Specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 4 µm (
<emphasis id="D2D8CC21F3290522A50BCE5F29753E38" bold="true">A, B, D</emphasis>
); 5 µm (
<emphasis id="31311921E115224BF89867E874B33BFE" bold="true">C</emphasis>
).
</paragraph>
</caption>
<caption id="749646D00A617DA7C6715FA982380026" ID-DOI="10.3897/phytokeys.247.131353.figure19" ID-arpha="5C76769C-948B-5244-B576-758B7B2DA529" httpUri="https://binary.pensoft.net/fig/1156089" startId="F19">
<paragraph id="D69A3C25878BD3062885DAD556E2CFE9">
<label id="AAA1103B62E372A26BB87AA8FABB0BE0">Figure 19.</label>
</paragraph>
<paragraph id="5778C7BFF471D923AD5F12584A08FC30">
<taxonomicName id="BBFAEF0E84524B8602F5E86EF0B1F457" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="98CB9267A8FE0FDCB120CB2A38D4C441" italics="true">Cocconeis skvortzowii</emphasis>
</taxonomicName>
<emphasis id="3E3808AF493EF78A9D5074BA9316A4ED" bold="true">A – D</emphasis>
raphe valve
<emphasis id="1C435027CD1E11CBBC80E6BE02DA3EF3" bold="true">A – C</emphasis>
external view
<emphasis id="A572049D7026E13CC870E44A5B435307" bold="true">D</emphasis>
valve with valvocopula, internal view.
<abbrev id="ABBRID0EJECI" xlink_title="scanning electron microscopy">SEM</abbrev>
<emphasis id="C8E09301451E3319CB4646C5DC7B5D6E" bold="true">A, B</emphasis>
specimen No. 336, Boguchanskaya Gulf
<emphasis id="BFD7E19F8FD84F94532C33032C0D3A53" bold="true">C</emphasis>
specimen No. 318, Kotelnikovskiy Mayak
<emphasis id="91BB74A4848081D1F1AAF403063708DF" bold="true">D</emphasis>
Cape Elokhin. Scale bars: 2 µm (
<emphasis id="B661C3E19BFF3357ED1F04321504F7FF" bold="true">A – C</emphasis>
); 5 µm (
<emphasis id="AD16E20E377BDBFA1AB7894F23F3D8C8" bold="true">D</emphasis>
).
</paragraph>
</caption>
<paragraph id="7AB7EE7A04751D7813E12D3BF33B08AA">
<abbrev id="ABBRID0E5ECI" xlink_title="sternum valve">SV</abbrev>
, internal view (Figs
<figureCitation id="88C48873CC4A8CA4951F7ADF6DF15365" captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Cocconeis skvortzowii A – C raphe valve, external view C Lower valve (arrowhead) D – F sternum valve D, E external view F internal view. SEM A, C specimen No. BL 15646, Island Bolshoy Ushkaniy B, D – F specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 3 µm (A, B, D); 5 µm (C); 6 µm (E); 8 µm (F)." figureDoi="10.3897/phytokeys.247.131353.figure17" httpUri="https://binary.pensoft.net/fig/1156087">17 F</figureCitation>
,
<figureCitation id="2BB59E96499A4232305DCB4B6E8F2965" captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Cocconeis skvortzowii A – F sternum valve A, B external view B sternum with ghost raphe and ghost areolae C, D internal view. SEM. Specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 4 µm (A, B, D); 5 µm (C)." figureDoi="10.3897/phytokeys.247.131353.figure18" httpUri="https://binary.pensoft.net/fig/1156088">18 C, D</figureCitation>
). At edge, striae consisted of 1–2 rounded or elongated areolae, divided into 1–2 parts by thin or thickened baffle. Areolae rounded or irregularly rounded near axial area, in 2–3 (up to 5) curving apical rows (distance between areolae in stria different). Adjacent “ postmacroareolae ” delimited by small ribs and sometimes extended up to axial area.
</paragraph>
<paragraph id="B2D628578CBEF5F9E0C056965456A313">There are no data on copulae, except valvocopulae.</paragraph>
</subSubSection>
<subSubSection id="SECID0ELFCI" type="comments">
<paragraph id="8A4F224013ED3FF9FF535EA021AD012E">
<heading id="1BEF38677237C979F896895672ED3975" reason="title">Comments.</heading>
</paragraph>
<paragraph id="C4259A6AD77D1513A1868AE1494D273F">
Our data differ from the data of Skvortsov and Skabichevsky (Table
<tableCitation id="0E4CB412AF26D6F0D0782285D71878EA" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison of morphological features of Cocconeis skvortzowii and related species." httpUri="http://table.plazi.org/id/E82B51082E70D548C23C1345FF5373B6" tableUuid="E82B51082E70D548C23C1345FF5373B6">4</tableCitation>
) in the following: the range of valve length and width has been increased, namely, the minimal size of the studied valves is less than those noted in the literature; the stria density on the
<abbrev id="ABBRID0EVFCI" xlink_title="raphe valve">RV</abbrev>
corresponds to the previous data, but density on the
<abbrev id="ABBRID0EZFCI" xlink_title="sternum valve">SV</abbrev>
has been increased. Data in the literature available on areola density in stria most likely refer to a
<abbrev id="ABBRID0E4FCI" xlink_title="sternum valve">SV</abbrev>
; our data obtained are significantly higher and refer to a
<abbrev id="ABBRID0EBGCI" xlink_title="raphe valve">RV</abbrev>
.
</paragraph>
<paragraph id="FB574DFCDE5C43ACAF975CA0CB4D04BE">
Valves shown in Figs
<figureCitation id="AFE91C86E375232BAED2C4139B1BE432" captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Cocconeis skvortzowii A – C raphe valve, external view C Lower valve (arrowhead) D – F sternum valve D, E external view F internal view. SEM A, C specimen No. BL 15646, Island Bolshoy Ushkaniy B, D – F specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 3 µm (A, B, D); 5 µm (C); 6 µm (E); 8 µm (F)." figureDoi="10.3897/phytokeys.247.131353.figure17" httpUri="https://binary.pensoft.net/fig/1156087">17 D, E</figureCitation>
,
<figureCitation id="169CDF67CC0239B53692294E9909AD9F" captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Cocconeis skvortzowii A – F sternum valve A, B external view B sternum with ghost raphe and ghost areolae C, D internal view. SEM. Specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bars: 4 µm (A, B, D); 5 µm (C)." figureDoi="10.3897/phytokeys.247.131353.figure18" httpUri="https://binary.pensoft.net/fig/1156088">18 A, B</figureCitation>
are somewhat similar to
<taxonomicName id="CF8E3580111A2DF2797ACCD2D817754D" authority="Riaux-Gobin &amp; Al-Handal" authorityName="Riaux-Gobin &amp; Al-Handal" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="margaritata">
<emphasis id="7EAF755DDC3ED4D3BA28596D5318221D" italics="true">Cocconeis margaritata</emphasis>
Riaux-Gobin &amp; Al-Handal
</taxonomicName>
and
<taxonomicName id="E6B3AD9935F8FE22CBE478B600AF6822" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="undetermined">
<emphasis id="13C1497F608F10B435C2190A34AFEBFE" italics="true">Cocconeis</emphasis>
spp.
</taxonomicName>
(
<bibRefCitation id="F80355A3225529FCF5743531768694B3" DOI="10.1080/09670260903560076" author="Riaux-Gobin" etAl="et al." firstAuthor="Riaux-Gobin" issue="3" journalOrPublisher="European Journal of Phycology" pagination="278-292" refId="B16" refString="Riaux-Gobin C, Romero OE, Al-Handal AY, Compère P (2010) Two new Cocconeis taxa (Bacillariophyceae) from coral sands off the Mascarenes (Western Indian Ocean) and some related unidentified taxa. European Journal of Phycology 45 (3): 278–292. https://doi.org/10.1080/09670260903560076" title="Two new Cocconeis taxa (Bacillariophyceae) from coral sands off the Mascarenes (Western Indian Ocean) and some related unidentified taxa." volume="45" year="2010">Riaux-Gobin et al. 2010</bibRefCitation>
) according to the areolae pattern on external surface of the
<abbrev id="ABBRID0EFHCI" xlink_title="sternum valve">SV</abbrev>
, namely, the openings of areolae are slit-like and located in a depression.
</paragraph>
<paragraph id="540733B3353DBF53990B21E7D3BD40CD">
A comparison of
<taxonomicName id="BA353F642A24E9F8F4BAB49FE86F101A" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="DAE88D2CE99A27A8A2AEAA392C3B8FF2" italics="true">Cocconeis skvortzowii</emphasis>
</taxonomicName>
with related species (Table
<tableCitation id="B1200242F00F3797682FE1279662AA30" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison of morphological features of Cocconeis skvortzowii and related species." httpUri="http://table.plazi.org/id/E82B51082E70D548C23C1345FF5373B6" tableUuid="E82B51082E70D548C23C1345FF5373B6">4</tableCitation>
) showed that the species is externally similar to small valves of
<taxonomicName id="3D6B95141DB24711535F99791DB2784D" authorityName="Reichardt" authorityYear="1982" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="pseudothumensis">
<emphasis id="58D31C1A57ACE52DCF8A6EB597F3CCF8" italics="true">C. pseudothumensis</emphasis>
</taxonomicName>
(including the ratio of valve length to breadth), but differs greatly in the stria density on the
<abbrev id="ABBRID0EFICI" xlink_title="raphe valve">RV</abbrev>
. The same results can be seen for
<taxonomicName id="4BC3D6AE149A418CC849B289631AAFEF" authorityName="Krammer" authorityYear="1991" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="neothumensis">
<emphasis id="31BA8D9E22483B4A27EE9955EF608EF1" italics="true">C. neothumensis</emphasis>
</taxonomicName>
as well as the
<taxonomicName id="00F0C65A6EC37F5744DF1927E6FA5BBD" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="diminuta">
<emphasis id="DE4240C2C7C18E4813EC2BE0A0ABD1A2" italics="true">C. diminuta</emphasis>
</taxonomicName>
/
<taxonomicName id="FB470A04A6CD2F8D3EA75ABB91A15F4C" authorityName="Krammer" authorityYear="1990" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="neodiminuta">
<emphasis id="549CBB5331F6F07E166AE5387EF6564D" italics="true">C. neodiminuta</emphasis>
</taxonomicName>
complex.
</paragraph>
<paragraph id="066E8585860599877E84BC89493A1CE8">
The comparative analysis shows similarity / overlapping in stria density of
<taxonomicName id="FF210045162C271292507F13DE24F958" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="EBD1C8EEFEB07AAD635DE60CA4257461" italics="true">Cocconeis skvortzowii</emphasis>
</taxonomicName>
with
<taxonomicName id="C3BCFE5111C1768D636A416CEE47D87C" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="lineata">
<emphasis id="803AECCB1090E8BC76E512C7D248F561" italics="true">C. lineata</emphasis>
</taxonomicName>
and
<taxonomicName id="B30089480F9954AC30D9B0EFD8B58407" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="pseudolineata">
<emphasis id="EBA65E2B5E72654A3C95FB5905185D16" italics="true">C. pseudolineata</emphasis>
</taxonomicName>
. But two last species have the larger size of valve compared to
<taxonomicName id="01F94A3DD56765AEF161096D2F3AB4FC" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="8E0E93E9D5B50322A11F0C7D56306E2C" italics="true">C. skvortzowii</emphasis>
</taxonomicName>
, and, accordingly, a larger length-to-breadth ratio. Data on the stria density on the
<abbrev id="ABBRID0EYKCI" xlink_title="sternum valve">SV</abbrev>
in
<taxonomicName id="82EFCBFC7F413872FE645F1868069C31" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="lineata">
<emphasis id="5A107704D8A7C65C5E0777BB8872BC7A" italics="true">C. lineata</emphasis>
</taxonomicName>
are quite contradictory from different references, which most likely indicates a complex of several species. If we take into account only data on the
<typeStatus id="7DD6F70F36F5865D5AA2A621417ADC68" type="epitype">epitype</typeStatus>
of
<taxonomicName id="CAFB70A6081A6BD186BD8EAD2B576124" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="lineata">
<emphasis id="4D562E4BF1EDA32D83EEFD3FD9420709" italics="true">C. lineata</emphasis>
</taxonomicName>
, then their stria density is lower than that of
<taxonomicName id="DEE7F244DC025708FCAE8C004A291E65" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="EF98DA2B91F49F8592C40CA627EECACA" italics="true">C. skvortzowii</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="CDA1581063B75F37E4A9FBB1DF87BC9B">
Two species,
<taxonomicName id="02F32AC0418D0E78E1D9A6E2B1CFEC78" authorityName="Cleve" authorityYear="1882" baseAuthorityName="Schumann" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="disculus">
<emphasis id="74740BB8A531300BB40913F16C8CF183" italics="true">Cocconeis disculus</emphasis>
</taxonomicName>
and
<taxonomicName id="9DA2A59F3C423DB65CA61A706764C31C" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="euglypta">
<emphasis id="0F23214673D29AA5F2E9395EA99C25A8" italics="true">C. euglypta</emphasis>
</taxonomicName>
, differ from
<taxonomicName id="22AF35798B21755AC582B579AE0241E5" authorityName="Sheshukova-Poretskaya" authorityYear="1951" baseAuthorityName="Sheshukova" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="skvortzowii">
<emphasis id="73431A7656CEF7D61FAAC515ADC11A8B" italics="true">C. skvortzowii</emphasis>
</taxonomicName>
in both valve shape and
<abbrev id="ABBRID0EANCI" xlink_title="sternum valve">SV</abbrev>
structure, namely, in the number of apical rows of areolae.
</paragraph>
<paragraph id="1F2833C5763F4EF7C8836F319F30DB65">
A direct reference to the location of
<taxonomicName id="CC3C114C25C0EA82776029BE12AB433C" authorityName="Skvortzov &amp; K. I. Meyer" authorityYear="1928" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="variety" species="placentula" variety="baicalensis">
<emphasis id="1678598A4506A17927B1F23D077A1372" italics="true">Cocconeis placentula</emphasis>
Ehrenb.
<emphasis id="F77DA41D396835BBFD776C89F1FB61A5" italics="true">var. baicalensis</emphasis>
</taxonomicName>
is absent in
<bibRefCitation id="83D5C6539CB9A0DDC88634223D7ADEC0" author="Skvortzow BW &amp; Meyer CI" firstAuthor="Skvortzow" journalOrPublisher="Proceedings of the Sungaree River Biological Station" pagination="1-55" refId="B27" refString="Skvortzow BW, Meyer CI (1928) A contribution to the diatoms of Baikal Lake. Proceedings of the Sungaree River Biological Station 1: 1–55." title="A contribution to the diatoms of Baikal Lake." volume="1" year="1928">Skvortzow and Meyer (1928)</bibRefCitation>
: “ The list is published without reference to the place where a certain species had been found ”. However, the locations of 36 samples are given in their publication, of which later
<bibRefCitation id="F412EF6C6FAD2555581092F504C493B1" author="Meyer" firstAuthor="Meyer" journalOrPublisher="Bulletin of the Moscow Society of Naturalists, Biological section [Bulletin de la Société des Naturalistes de Moscou, section Biologique]" pagination="179-396" refId="B14" refString="Meyer K (1930) Einfuhrung in die Algenflora des Baicalsees. Bulletin of the Moscow Society of Naturalists, Biological section [Bulletin de la Société des Naturalistes de Moscou, section Biologique] 39: 179–396. [In Russian]" title="Einfuhrung in die Algenflora des Baicalsees." volume="39" year="1930">Meyer (1930</bibRefCitation>
, 341) indicated 8 typical locations for this variety (Table
<tableCitation id="717B1A6A0BFF60B8885C24FC737EE13F" captionStart="Table 1" captionStartId="T1" captionText="Table 1. List of specimens and slides." httpUri="http://table.plazi.org/id/E3526857FEDD80ACA39492919D9098D7" tableUuid="E3526857FEDD80ACA39492919D9098D7">1</tableCitation>
).
</paragraph>
<paragraph id="CA158C17BE9779BB0F2395812D7D446E">
The three permanent slides with the date given in the protologue, and one more with a later date are deposited in the
<collectionCode id="DC718745771FC14B0BD1345CAD3F54D9" country="Brazil" name="Servico de Microbiologia e Imunologia">LE</collectionCode>
diatom collection. Slides No. 15 and 16 (according to the numbering of
<bibRefCitation id="03B40999E5BD6B0B0969D55986912574" author="Skvortzow and Meyer" firstAuthor="Skvortzow" journalOrPublisher="Proceedings of the Sungaree River Biological Station" pagination="1-55" refId="B27" refString="Skvortzow BW, Meyer CI (1928) A contribution to the diatoms of Baikal Lake. Proceedings of the Sungaree River Biological Station 1: 1–55." title="A contribution to the diatoms of Baikal Lake." volume="1" year="1928">Skvortzow and Meyer 1928</bibRefCitation>
, 2) are labelled as the village of Merkusheva (“ village Merkutov ”), on the label of third one it is given “ d. Merkushevo [Merkusheva]. ” The exact location (with coordinates) was established using a 1912 map (
<ext-link id="0430782D1C924CF245AB9737C8682606" ext-link-type="uri" xlink_href="http://www.etomesto.ru/map-chita_zabaykalskaya-oblast-1912" xlink_type="simple">http://www.etomesto.ru/map-chita_zabaykalskaya-oblast-1912</ext-link>
). Reliable and abundant findings of
<taxonomicName id="B716DEAD3E0DDD2D513DE53A76D4D6B4" authorityName="B. V. Skvortzov" authorityYear="1946" baseAuthorityName="B. V. Skvortzov &amp; K. I. Meyer" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="baicalensis">
<emphasis id="69777A8EA0A9BE774C53D28FC01219F0" italics="true">Cocconeis baicalensis</emphasis>
</taxonomicName>
were not identified when studying these slides in
<abbrev id="ABBRID0E3OCI" xlink_title="light microscopy">LM</abbrev>
.
</paragraph>
<paragraph id="14C190396BF8F5F22F2606756C9C1882">
Also, in the Diatom collection
<collectionCode id="9C03F349E88D3A3FCBDEF778F9BF1988" country="Brazil" name="Servico de Microbiologia e Imunologia">LE</collectionCode>
there is authentic material collected by K. I. Meyer in 1921–1928 (35 samples, Table
<tableCitation id="F15672B4B9B878D4D159C713D637C395" captionStart="Table 1" captionStartId="T1" captionText="Table 1. List of specimens and slides." httpUri="http://table.plazi.org/id/E3526857FEDD80ACA39492919D9098D7" tableUuid="E3526857FEDD80ACA39492919D9098D7">1</tableCitation>
), including 9 samples (data
<date id="4E700FC3B0C980E9A25BA49AB277AF46" value="1926-06-30">June 30 1926</date>
, or no data), the locations of which are indicated in
<bibRefCitation id="4615D0B35C807F94EC4688837205B66D" author="Skvortzow BW &amp; Meyer CI" firstAuthor="Skvortzow" journalOrPublisher="Proceedings of the Sungaree River Biological Station" pagination="1-55" refId="B27" refString="Skvortzow BW, Meyer CI (1928) A contribution to the diatoms of Baikal Lake. Proceedings of the Sungaree River Biological Station 1: 1–55." title="A contribution to the diatoms of Baikal Lake." volume="1" year="1928">Skvortzow and Meyer (1928)</bibRefCitation>
and
<bibRefCitation id="6841C164ACA56CA9E4F2D6BAAA461A6E" author="Meyer K" firstAuthor="Meyer" journalOrPublisher="Bulletin of the Moscow Society of Naturalists, Biological section [Bulletin de la Société des Naturalistes de Moscou, section Biologique]" pagination="179-396" refId="B14" refString="Meyer K (1930) Einfuhrung in die Algenflora des Baicalsees. Bulletin of the Moscow Society of Naturalists, Biological section [Bulletin de la Société des Naturalistes de Moscou, section Biologique] 39: 179–396. [In Russian]" title="Einfuhrung in die Algenflora des Baicalsees." volume="39" year="1930">Meyer (1930)</bibRefCitation>
. The last ones are used to make permanent slides stored in
<collectionCode id="E9118D8C653C9A2C6911E0F703E0BC46" country="Brazil" name="Servico de Microbiologia e Imunologia">LE</collectionCode>
, in two of them (
<collectionCode id="85B7A396B3B9312BBE000F6996D30884" country="Brazil" name="Servico de Microbiologia e Imunologia">LE</collectionCode>
A 0004242 –
<collectionCode id="FD8854FBA2F06BF206E826A9AC90E76B" country="Brazil" name="Servico de Microbiologia e Imunologia">LE</collectionCode>
A 0004245) clear and numerous valves of
<taxonomicName id="88FCEEC1D11E8FA80ED46FFB313E40B6" authorityName="B. V. Skvortzov" authorityYear="1946" baseAuthorityName="B. V. Skvortzov &amp; K. I. Meyer" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="baicalensis">
<emphasis id="B9A937580308F69D8C90398B7B347597" italics="true">Cocconeis baicalensis</emphasis>
</taxonomicName>
were found.
</paragraph>
<paragraph id="BB638CD00909151D10D3C6C2DB9BB2F2">
Skabichevsky’s material (Table
<tableCitation id="5D01B7C9A5EF23E34508A43A5AC57AF0" captionStart="Table 1" captionStartId="T1" captionText="Table 1. List of specimens and slides." httpUri="http://table.plazi.org/id/E3526857FEDD80ACA39492919D9098D7" tableUuid="E3526857FEDD80ACA39492919D9098D7">1</tableCitation>
) was studied in
<abbrev id="ABBRID0E6PCI" xlink_title="light microscopy">LM</abbrev>
and
<abbrev id="ABBRID0EDQCI" xlink_title="scanning electron microscopy">SEM</abbrev>
to clarify the morphology and taxonomy of
<taxonomicName id="70D474DB46CB18C40F1E3240CFD9A8E5" authorityName="B. V. Skvortzov" authorityYear="1946" baseAuthorityName="B. V. Skvortzov &amp; K. I. Meyer" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="baicalensis">
<emphasis id="97BD6A81E85E8F9131143D178563133D" italics="true">Cocconeis baicalensis</emphasis>
</taxonomicName>
, since many morphological characters and elements of the valve are not satisfactory when studied in
<abbrev id="ABBRID0ESQCI" xlink_title="light microscopy">LM</abbrev>
. We choose
<abbrev id="ABBRID0EWQCI" xlink_title="scanning electron microscopy">SEM</abbrev>
photograph Fig.
<figureCitation id="BE8CB0D94C91383EA4849E7810508CC5" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Cocconeis baicalensis A – D raphe valve, internal view B valve with valvocopula. SEM. Specimen No. BL 15645, Island Bolshoy Ushkaniy. Scale bar: 5 µm." figureDoi="10.3897/phytokeys.247.131353.figure9" httpUri="https://binary.pensoft.net/fig/1156079">9 C</figureCitation>
, as the
<typeStatus id="2E98F44D943EC5A816441360FEA997DA" type="epitype">epitype</typeStatus>
of
<taxonomicName id="1D8C1B3F00F0045E4841D075BF611785" authorityName="B. V. Skvortzov" authorityYear="1946" baseAuthorityName="B. V. Skvortzov &amp; K. I. Meyer" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="baicalensis">
<emphasis id="9222526E0AD9D013E8D73168403BEFD6" italics="true">C. baicalensis</emphasis>
</taxonomicName>
, which clearly show the morphological features of the
<abbrev id="ABBRID0EJRCI" xlink_title="raphe valve">RV</abbrev>
in the internal view, namely its 3 D-shape, density and arrangement of striae, shape and size of hyaline areas, poorly represented in the type material. Additionally, figs 8 A, 10 A, 12 C show the same of the
<abbrev id="ABBRID0ENRCI" xlink_title="raphe valve">RV</abbrev>
in the external view and
<abbrev id="ABBRID0ERRCI" xlink_title="sternum valve">SV</abbrev>
in the external and internal view.
</paragraph>
</subSubSection>
</treatment>
</document>