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<document id="BABEC5F14DE11D303B455B10A004A300" ID-DOI="10.11646/phytotaxa.127.1.11" ID-ISSN="1179-3163" ID-Zenodo-Dep="5085519" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625839351645" checkinUser="felipe" docAuthor="Kociolek, J. P. &amp; Khursevich, G. K." docDate="2013" docId="03905B22FFEDFFCDD0D8A9155748FE36" docLanguage="en" docName="Phytotaxa.127.1.81-99.pdf" docOrigin="Phytotaxa 127 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.127.1.11" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Cyclotella discostelliformica Kociolek &amp; Khursevich 2013, sp. nov." docType="treatment" docVersion="3" lastPageNumber="90" masterDocId="FFA9235AFFE8FFC4D04FAE28563CFFF6" masterDocTitle="Morphology of some fossil lacustrine centric species from the western United States assigned to the genus Cyclotella (Bacillariophyta), including four described as new" masterLastPageNumber="99" masterPageNumber="81" pageNumber="86" updateTime="1698996436949" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="05BA01D14346A329BEA4DD9CAD87BFEE" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="8B75DE17DA8290E89993355381C62DE1">Morphology of some fossil lacustrine centric species from the western United States assigned to the genus Cyclotella (Bacillariophyta), including four described as new</mods:title>
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<mods:namePart id="3C6BF0EDED649C68F34124CF166E6FFE">Kociolek, J. P.</mods:namePart>
<mods:affiliation id="A4DC766A114366B1A6EEB285D5E960D2">University of Colorado Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, 80309, USA</mods:affiliation>
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<mods:namePart id="5C848F8198B883416F7546BC9A9AE015">Khursevich, G. K.</mods:namePart>
<mods:affiliation id="536C192E590B834AF536F6B78007464F">Department of Botany, M. Tank Belarus State Pedagogical University, 18 Sovetskaya Street, 220809 Minsk, Republic of Belarus E? mail: galinakhurs. 41 @ mail. ru</mods:affiliation>
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<mods:title id="DDBDD8E87B38EED2429FD568EAFA8242">Phytotaxa</mods:title>
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<mods:date id="2F65BFB2CFE59233D53EF676D44FAD6E">2013</mods:date>
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<mods:number id="EEBB522126D3854F2AA027A6CEB052DA">2013-08-29</mods:number>
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<mods:identifier id="7F8757DB195FB36B5C7EA384951DD09B" type="DOI">10.11646/phytotaxa.127.1.11</mods:identifier>
<mods:identifier id="D8B622731A390980AF2E41E4EE2DE630" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03905B22FFEDFFCDD0D8A9155748FE36" ID-DOI="http://doi.org/10.5281/zenodo.5085532" ID-Zenodo-Dep="5085532" LSID="urn:lsid:plazi:treatment:03905B22FFEDFFCDD0D8A9155748FE36" httpUri="http://treatment.plazi.org/id/03905B22FFEDFFCDD0D8A9155748FE36" lastPageId="9" lastPageNumber="90" pageId="5" pageNumber="86">
<subSubSection id="C323B9BFFFEDFFC1D0D8A915523CF8A1" box="[151,1024,1853,1879]" pageId="5" pageNumber="86" type="nomenclature">
<paragraph id="8B86EA34FFEDFFC1D0D8A915523CF8A1" blockId="5.[151,1024,1853,1879]" box="[151,1024,1853,1879]" pageId="5" pageNumber="86">
<heading id="D0CE5D58FFEDFFC1D0D8A915523CF8A1" box="[151,1024,1853,1879]" fontSize="11" level="2" pageId="5" pageNumber="86" reason="3">
<taxonomicName id="4C3991B7FFEDFFC1D0D8A915553EF8A1" authority="Kociolek &amp; Khursevich" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[151,770,1853,1879]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="5" pageNumber="86" phylum="Ochrophyta" rank="species" species="discostelliformica" status="sp. nov.">
<emphasis id="B94D3626FFEDFFC1D0D8A91557D9F8A1" bold="true" box="[151,485,1853,1879]" italics="true" pageId="5" pageNumber="86">Cyclotella discostelliformica</emphasis>
Kociolek &amp; Khursevich
</taxonomicName>
,
<emphasis id="B94D3626FFEDFFC1D342A915555AF8A1" box="[781,870,1853,1879]" italics="true" pageId="5" pageNumber="86">
<taxonomicNameLabel id="A27E8B5DFFEDFFC1D342A915555AF8A1" box="[781,870,1853,1879]" pageId="5" pageNumber="86" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="1302F6B1FFEDFFC1D33BA91555F7F8A1" box="[884,971,1853,1879]" captionStart="FIGURES 25–31" captionStartId="6.[150,257,1956,1978]" captionTargetBox="[268,1318,539,1935]" captionTargetId="figure-185@6.[268,1318,539,1935]" captionTargetPageId="6" captionText="FIGURES 25–31: Cyclotella discostelliformica. LM. Valve views showing highly undulate valve face. Fig. 31. Holotype. Scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5085536" httpUri="https://zenodo.org/record/5085536/files/figure.png" pageId="5" pageNumber="86">Figs 25</figureCitation>
–39)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C323B9BFFFEDFFC2D0D8A9A354FCFF2E" lastPageId="6" lastPageNumber="87" pageId="5" pageNumber="86" type="materials_examined">
<paragraph id="8B86EA34FFEDFFC1D0D8A9A35373F814" blockId="5.[151,1436,1930,2018]" pageId="5" pageNumber="86">
<emphasis id="B94D3626FFEDFFC1D0D8A9A356CEF854" bold="true" box="[151,242,1931,1954]" pageId="5" pageNumber="86">Type:—</emphasis>
<collectingCountry id="F32EAAA4FFEDFFC1D0BDA9A35717F854" box="[242,299,1931,1954]" name="United States of America" pageId="5" pageNumber="86">USA</collectingCountry>
.
<collectingRegion id="49FD24D6FFEDFFC1D178A9A357B7F854" box="[311,395,1931,1954]" country="United States of America" name="Oregon" pageId="5" pageNumber="86">Oregon</collectingRegion>
: Klamath County, Sprague River, Drews Road, diatomite, (Circled specimen (
<figureCitation id="1302F6B1FFEDFFC1D4A8A9A3530AF854" box="[1255,1334,1931,1954]" captionStart="FIGURES 25–31" captionStartId="6.[150,257,1956,1978]" captionTargetBox="[268,1318,539,1935]" captionTargetId="figure-185@6.[268,1318,539,1935]" captionTargetPageId="6" captionText="FIGURES 25–31: Cyclotella discostelliformica. LM. Valve views showing highly undulate valve face. Fig. 31. Holotype. Scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5085536" httpUri="https://zenodo.org/record/5085536/files/figure.png" pageId="5" pageNumber="86">Fig. 31</figureCitation>
) on
<emphasis id="B94D3626FFEDFFC1D523A9A25783F834" italics="true" pageId="5" pageNumber="86">
<taxonomicName id="4C3991B7FFEDFFC1D523A9A25766F834" authority="Slide Number" authorityName="Slide Number" class="Arachnida" family="Rhinonyssidae" genus="Cas" higherTaxonomySource="CoL" kingdom="Animalia" order="Mesostigmata" pageId="5" pageNumber="86" phylum="Arthropoda" rank="genus">CAS Slide Number</taxonomicName>
1026029
</emphasis>
, material
<emphasis id="B94D3626FFEDFFC1D262A98255B9F834" box="[557,901,1962,1986]" italics="true" pageId="5" pageNumber="86">
<taxonomicName id="4C3991B7FFEDFFC1D262A9825511F834" authority="Accession Number" authorityName="Accession Numbers" authorityYear="2383" box="[557,813,1962,1986]" class="Arachnida" family="Rhinonyssidae" genus="Cas" higherTaxonomySource="CoL" kingdom="Animalia" order="Mesostigmata" pageId="5" pageNumber="86" phylum="Arthropoda" rank="genus">CAS Accession Number</taxonomicName>
701883
</emphasis>
(
<taxonomicName id="4C3991B7FFEDFFC1D3DAA98355EDF834" authorityName="Accession Numbers" authorityYear="2383" box="[917,977,1963,1986]" class="Arachnida" family="Rhinonyssidae" genus="Cas" higherTaxonomySource="CoL" kingdom="Animalia" order="Mesostigmata" pageId="5" pageNumber="86" phylum="Arthropoda" rank="genus">CAS</taxonomicName>
!),
<emphasis id="B94D3626FFEDFFC1D3A6A9835331F834" bold="true" box="[1001,1293,1963,1986]" pageId="5" pageNumber="86">
<typeStatus id="54825496FFEDFFC1D3A6A9835270F834" box="[1001,1100,1963,1986]" pageId="5" pageNumber="86" type="holotype">holotype</typeStatus>
, designated here
</emphasis>
; duplicate of
<emphasis id="B94D3626FFEDFFC1D088A9E257CEF814" box="[199,498,1994,2018]" italics="true" pageId="5" pageNumber="86">
<taxonomicName id="4C3991B7FFEDFFC1D088A9E257B3F814" authority="Slide Number" authorityName="Slide Number" box="[199,399,1994,2018]" class="Arachnida" family="Rhinonyssidae" genus="Cas" higherTaxonomySource="CoL" kingdom="Animalia" order="Mesostigmata" pageId="5" pageNumber="86" phylum="Arthropoda" rank="genus">CAS Slide Number</taxonomicName>
1026029
</emphasis>
deposited in Khursevich Collection,
<collectingRegion id="49FD24D6FFEDFFC1D330A9E355FAF814" box="[895,966,1995,2018]" country="Belarus" name="Minsk" pageId="5" pageNumber="86">Minsk</collectingRegion>
,
<collectingCountry id="F32EAAA4FFEDFFC1D39EA9E35219F814" box="[977,1061,1995,2018]" name="Belarus" pageId="5" pageNumber="86">Belarus</collectingCountry>
,
<emphasis id="B94D3626FFEDFFC1D47FA9E35303F814" bold="true" box="[1072,1343,1995,2018]" pageId="5" pageNumber="86">isotype, designated here</emphasis>
).
</paragraph>
<paragraph id="8B86EA34FFEEFFC2D0D8AEB054FCFF2E" blockId="6.[151,1436,152,487]" pageId="6" pageNumber="87">
<emphasis id="B94D3626FFEEFFC2D0D8AEB0542AFF44" bold="true" box="[151,534,152,178]" pageId="6" pageNumber="87">Additional material examined:</emphasis>
—
<collectingCountry id="F32EAAA4FFEEFFC2D27AAEB0544DFF44" box="[565,625,152,178]" name="United States of America" pageId="6" pageNumber="87">USA</collectingCountry>
.
<collectingRegion id="49FD24D6FFEEFFC2D233AEB054E4FF44" box="[636,728,152,178]" country="United States of America" name="Oregon" pageId="6" pageNumber="87">Oregon</collectingRegion>
: Klamath County, NE Sprague River Bridge,
<emphasis id="B94D3626FFEEFFC2D4A3AEB0545EFF2E" italics="true" pageId="6" pageNumber="87">
<taxonomicName id="4C3991B7FFEEFFC2D4A3AEB056C9FF2E" authority="Accession Number" authorityName="Accession Numbers" authorityYear="2383" class="Arachnida" family="Rhinonyssidae" genus="Cas" higherTaxonomySource="CoL" kingdom="Animalia" order="Mesostigmata" pageId="6" pageNumber="87" phylum="Arthropoda" rank="genus">CAS Accession Number</taxonomicName>
600180, Slide Number 433093
</emphasis>
(
<taxonomicName id="4C3991B7FFEEFFC2D23CAE96548FFF2E" authorityName="Accession Numbers" authorityYear="2383" box="[627,691,190,216]" class="Arachnida" family="Rhinonyssidae" genus="Cas" higherTaxonomySource="CoL" kingdom="Animalia" order="Mesostigmata" pageId="6" pageNumber="87" phylum="Arthropoda" rank="genus">CAS</taxonomicName>
!)
</paragraph>
</subSubSection>
<subSubSection id="C323B9BFFFEEFFCDD089AECD5748FE36" lastPageId="9" lastPageNumber="90" pageId="6" pageNumber="87" type="description">
<paragraph id="8B86EA34FFEEFFCCD089AECD5524FEBA" blockId="6.[151,1436,152,487]" lastBlockId="8.[151,1436,152,332]" lastPageId="8" lastPageNumber="89" pageId="6" pageNumber="87">
<emphasis id="B94D3626FFEEFFC2D089AECD575DFF09" bold="true" box="[198,353,229,255]" pageId="6" pageNumber="87">Description:</emphasis>
—Valve outline nearly circular, with several girdle bands, 5.0–17.0 µm in diameter. Valve surface is divided into two distinct zones with different morphologies. The central area is distinctly concave or convex with irregularly arranged areolae (5 to 17) and one to three valve face fultoportulae. The latter have three satellite pores internally and open by small aperatures externally. This central zone is separated from the marginal zone by a wide hyaline ring. Small specimens have simple alveolae. Marginal fultoportulae are located in small fovae on the gentle slope of costae. A single rimoportula has internal elongated slit and is positioned within the alveolar opening close to one of the costae. The marginal zone extends from 1/3 to ½ of the valve radius and consists of alveolate and fasciculate striae, 8–10/
<quantity id="4CC147D1FFEFFFC3D38EA9735232F883" box="[961,1038,1883,1909]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="88" unit="mm" value="10.0">10 µm</quantity>
, divided by hyaline interfascicles. Interfascicles become broader towards the margin. Each fascicle has one-two rows of smaller puncta, which have a row of larger puncta on each side. Striae fascicles are of equal length. A ring of marginal chambers, separated by thicker costae, is evident internally. Alveolar chambers appear simple and complex in larger specimens. Complex alveolae are comprised of alveolar openings divided by thinner costae. The thinner costae bear marginal fultoportulae. Each fultoportula has three satellite pores, and number
<quantity id="4CC147D1FFE0FFCCD544AE965306FF2E" box="[1291,1338,190,216]" metricMagnitude="-1" metricUnit="m" metricValue="1.016" pageId="8" pageNumber="89" unit="in" value="4.0">4 in</quantity>
<quantity id="4CC147D1FFE0FFCCD50BAE9653ABFF2E" box="[1348,1431,190,216]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="89" unit="mm" value="10.0">10 µm</quantity>
. Externally, marginal fultoportulae are represented by small, circular openings. A single rimoportula is located on a thinner costa or along the slope of one of the costae. External rimoportula opening is a small, but distinct, slit. Granules may occur along the edge of the mantle.
</paragraph>
<caption id="DF46BABCFFEEFFC2D0D9A98C56D8F821" ID-DOI="http://doi.org/10.5281/zenodo.5085536" ID-Zenodo-Dep="5085536" httpUri="https://zenodo.org/record/5085536/files/figure.png" pageId="6" pageNumber="87" startId="6.[150,257,1956,1978]" targetBox="[268,1318,539,1935]" targetPageId="6">
<paragraph id="8B86EA34FFEEFFC2D0D9A98C56D8F821" blockId="6.[150,1436,1956,2007]" pageId="6" pageNumber="87">
<emphasis id="B94D3626FFEEFFC2D0D9A98C5777F84C" bold="true" box="[150,331,1956,1978]" pageId="6" pageNumber="87">FIGURES 25–31:</emphasis>
<taxonomicName id="4C3991B7FFEEFFC2D118A98C5457F84F" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[343,619,1956,1977]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="6" pageNumber="87" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFEEFFC2D118A98C5457F84F" box="[343,619,1956,1977]" italics="true" pageId="6" pageNumber="87">Cyclotella discostelliformica</emphasis>
</taxonomicName>
. LM. Valve views showing highly undulate valve face. Fig. 31. Holotype. Scale bar = 5 µm.
</paragraph>
</caption>
<caption id="DF46BABCFFEFFFC3D0D8A88953A4F8DD" ID-DOI="http://doi.org/10.5281/zenodo.5085540" ID-Zenodo-Dep="5085540" httpUri="https://zenodo.org/record/5085540/files/figure.png" pageId="7" pageNumber="88" startId="7.[151,259,1697,1719]" targetBox="[272,1315,191,1675]" targetPageId="7">
<paragraph id="8B86EA34FFEFFFC3D0D8A88953A4F8DD" blockId="7.[151,1437,1697,1835]" pageId="7" pageNumber="88">
<emphasis id="B94D3626FFEFFFC3D0D8A8895773F941" bold="true" box="[151,335,1697,1719]" pageId="7" pageNumber="88">FIGURES 32–37:</emphasis>
<taxonomicName id="4C3991B7FFEFFFC3D112A8895449F940" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[349,629,1697,1718]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="7" pageNumber="88" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFEFFFC3D112A8895449F940" box="[349,629,1697,1718]" italics="true" pageId="7" pageNumber="88">Cyclotella discostelliformica</emphasis>
</taxonomicName>
. SEM. Figures 32, 33. External views showing valves with sunken and elevated central areas, respectively. Fascicles are composed of 2
<emphasis id="B94D3626FFEFFFC3D2ECA8965493F922" bold="true" box="[675,687,1726,1748]" pageId="7" pageNumber="88">–</emphasis>
5 rows of areolae. Openings of the marginal fultoportulae are located at or near the thickened ribs. They lack tubes or thickenings. The central portion of the valves have isolated areolae, that are larger than those of the fascicles. Scale bars = 1 µm. Figures 34
<emphasis id="B94D3626FFEFFFC3D20AA8D1546DF8F9" bold="true" box="[581,593,1785,1807]" pageId="7" pageNumber="88">–</emphasis>
37. Internal valve views showing a single central fultoportula with 3 satellite pores, and marginal fultoportulae at every costa or every second costa. The rimoportula is located on or near a costa (arrows). Scale bars = 1 µm.
</paragraph>
</caption>
<paragraph id="8B86EA34FFE0FFCCD0D8A95B54C9F839" blockId="8.[151,1436,1907,1999]" pageId="8" pageNumber="89">
<emphasis id="B94D3626FFE0FFCCD0D8A95B576FF87F" bold="true" box="[151,339,1907,1929]" pageId="8" pageNumber="89">FIGURES: 38–39:</emphasis>
<taxonomicName id="4C3991B7FFE0FFCCD12FA95C5448F87F" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[352,628,1908,1929]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="8" pageNumber="89" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFE0FFCCD12FA95C5448F87F" box="[352,628,1908,1929]" italics="true" pageId="8" pageNumber="89">Cyclotella discostelliformica</emphasis>
</taxonomicName>
. SEM. Figure 38. External view showing opening of rimoportula and fine nature of the areolae. Scale bar =
<quantity id="4CC147D1FFE0FFCCD1EEA9BD57EAF85C" box="[417,470,1941,1962]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="89" unit="mm" value="1.0">1 µm</quantity>
. Figure 39. Internal view showing large rimoprotula (arrow) located on the side of a costa. Central fultoportula with 3 satellite pores is evident. Scale bar =
<quantity id="4CC147D1FFE0FFCCD2F3A99254CCF839" box="[700,752,1978,1999]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="89" unit="mm" value="1.0">1 µm</quantity>
.
</paragraph>
<paragraph id="8B86EA34FFE1FFCDD089AEB05504FF09" blockId="9.[151,1436,152,448]" pageId="9" pageNumber="90">
<taxonomicName id="4C3991B7FFE1FFCDD089AEB05425FF44" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[198,537,152,178]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFE1FFCDD089AEB05425FF44" box="[198,537,152,178]" italics="true" pageId="9" pageNumber="90">Cyclotella discostelliformica</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C3991B7FFE1FFCDD2F7AEB0550FFF44" authorityName="Khursevich &amp; Kociolek" authorityYear="2013" box="[696,819,152,178]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="idahica">
<emphasis id="B94D3626FFE1FFCDD2F7AEB0550FFF44" box="[696,819,152,178]" italics="true" pageId="9" pageNumber="90">C. idahica</emphasis>
</taxonomicName>
by its smaller size, presence of strongly concave or convex central area, external expression of the rimoportula (a distinct slit in
<taxonomicName id="4C3991B7FFE1FFCDD477AE965308FF2E" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[1080,1332,190,216]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFE1FFCDD477AE965308FF2E" box="[1080,1332,190,216]" italics="true" pageId="9" pageNumber="90">C. discostelliformica</emphasis>
</taxonomicName>
; a small circular opening in
<taxonomicName id="4C3991B7FFE1FFCDD133AECD57CAFF09" authorityName="Khursevich &amp; Kociolek" authorityYear="2013" box="[380,502,229,255]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="idahica">
<emphasis id="B94D3626FFE1FFCDD133AECD57CAFF09" box="[380,502,229,255]" italics="true" pageId="9" pageNumber="90">C. idahica</emphasis>
</taxonomicName>
) and the absence of spines.
</paragraph>
<paragraph id="8B86EA34FFE1FFCDD089AF245748FE36" blockId="9.[151,1436,152,448]" pageId="9" pageNumber="90">
This new species appears in the light microscope to resemble
<taxonomicName id="4C3991B7FFE1FFCDD3F3AF245781FEBA" authority="(Cleve &amp; Grunow) Houk &amp; Klee (2004: 209" authorityName="Houk &amp; Klee" authorityYear="2004" baseAuthorityName="Cleve &amp; Grunow" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Discotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="stelligera">
<emphasis id="B94D3626FFE1FFCDD3F3AF245292FED0" box="[956,1198,268,294]" italics="true" pageId="9" pageNumber="90">Discotella stelligera</emphasis>
(Cleve &amp; Grunow)
<bibRefCitation id="EFA897C5FFE1FFCDD0D8AF1A5781FEBA" author="Houk, V. &amp; Klee, R." box="[151,445,306,332]" pageId="9" pageNumber="90" pagination="203 - 228" refId="ref6925" refString="Houk, V. &amp; Klee, R. (2004) The stelligeroid taxa of the genus Cyclotella (Kutzing) Brebisson (Bacillariophyceae) and their transfer into the genus Discostella gen. nov. Diatom Research 19: 203 - 228. http: // dx. doi. org / 10.1080 / 0269249 X. 2004.9705871" type="journal article" year="2004">Houk &amp; Klee (2004: 209</bibRefCitation>
</taxonomicName>
, figs 23, 24) but differs in the position of the rimoportula and marginal fultoportulae, (between two costae in
<taxonomicName id="4C3991B7FFE1FFCDD1F6AF71546EFE85" authorityName="Houk &amp; Klee" authorityYear="2004" baseAuthorityName="Cleve &amp; Grunow" box="[441,594,345,371]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Discotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="stelligera">
<emphasis id="B94D3626FFE1FFCDD1F6AF71546EFE85" box="[441,594,345,371]" italics="true" pageId="9" pageNumber="90">D. stelligera</emphasis>
</taxonomicName>
and on thinner costae in
<taxonomicName id="4C3991B7FFE1FFCDD3C6AF7152BBFE85" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[905,1159,345,371]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFE1FFCDD3C6AF7152BBFE85" box="[905,1159,345,371]" italics="true" pageId="9" pageNumber="90">C. discostelliformica</emphasis>
</taxonomicName>
). Moreover, marginal fultoportulae in
<taxonomicName id="4C3991B7FFE1FFCDD119AFA85470FE6C" authorityName="Kociolek &amp; Khursevich" authorityYear="2013" box="[342,588,384,410]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="discostelliformica">
<emphasis id="B94D3626FFE1FFCDD119AFA85470FE6C" box="[342,588,384,410]" italics="true" pageId="9" pageNumber="90">C. discostelliformica</emphasis>
</taxonomicName>
have three satellite pores;
<taxonomicName id="4C3991B7FFE1FFCDD3C4AFA85223FE6C" authorityName="Houk &amp; Klee" authorityYear="2004" baseAuthorityName="Cleve &amp; Grunow" box="[907,1055,384,410]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Discotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="9" pageNumber="90" phylum="Ochrophyta" rank="species" species="stelligera">
<emphasis id="B94D3626FFE1FFCDD3C4AFA85223FE6C" box="[907,1055,384,410]" italics="true" pageId="9" pageNumber="90">D. stelligera</emphasis>
</taxonomicName>
has marginal fultoportulae with two satellite pores.
</paragraph>
</subSubSection>
</treatment>
</document>
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