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<document id="3E142EB427D5936532CFC4019A72E99C" ID-CLB-Dataset="58992" ID-DOI="10.11646/phytotaxa.601.1.6" ID-GBIF-Dataset="241fc23b-a276-429d-a022-c742f3f38714" ID-ISSN="1179-3163" ID-Zenodo-Dep="8129507" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1688976603015" checkinUser="plazi" docAuthor="Goeyers, Charlotte, Kochman-Kędziora, Natalia &amp; Vijver, Bart Van De" docDate="2023" docId="03D2F8617863FFFA5FA64FA1D70EB72A" docLanguage="en" docName="phytotaxa.601.1.6.pdf" docOrigin="Phytotaxa 601 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.601.1.6" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.6:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="6" docTitle="Orthoseira groenlandica Goeyers, Kochman-Kedziora &amp; Van de Vijver 2023, sp. nov." docType="treatment" docVersion="3" lastPageNumber="83" masterDocId="FFEB80197861FFF85F2E4D27D613BF3C" masterDocTitle="Orthoseira groenlandica sp. nov., a new aerophilic diatom (Orthoseirales, Bacillariophyta) species from Greenland" masterLastPageNumber="89" masterPageNumber="81" pageNumber="83" updateTime="1689249422979" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="30B6E6FA4344E2B7F6EF867E1D9317CE">Orthoseira groenlandica sp. nov., a new aerophilic diatom (Orthoseirales, Bacillariophyta) species from Greenland</mods:title>
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<mods:namePart id="E5AB32485E78B651A70BFB7FCE764959">Goeyers, Charlotte</mods:namePart>
<mods:nameIdentifier id="5E496D47F7F2672D3C0790B602DC8835" type="ORCID">0000-0002-1573-3923</mods:nameIdentifier>
<mods:affiliation id="BA4CB7603BBBBD3F59B03A04FFA71615">Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium &amp; Ghent University, Protistology &amp; Aquatic Ecology, Campus de Sterre, Gent, Belgium &amp; charlotte. goeyers @ plantentuinmeise. be; https: // orcid. org / 0000 - 0002 - 1573 - 3923</mods:affiliation>
<mods:nameIdentifier id="868264CA3E7A3A1F5B0B77FC817EFD27" type="email">charlotte.goeyers@plantentuinmeise.be</mods:nameIdentifier>
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<mods:namePart id="F3F0313612F75CF0F1AE7419D72FEA0F">Kochman-Kędziora, Natalia</mods:namePart>
<mods:nameIdentifier id="8D14632311DDA7C9D80C97A227F06AF8" type="ORCID">0000-0003-1006-1715</mods:nameIdentifier>
<mods:affiliation id="622DEC3291CA724D6E2E4825D98804FC">Department of Ecology and Environmental Protection, University of Rzeszów, Zelwerowicza 4, 35 - 601 Rzeszów, Poland &amp; kochman _ natalia @ wp. pl; https: // orcid. org / 0000 - 0003 - 1006 - 1715</mods:affiliation>
<mods:nameIdentifier id="DC0BDBBA442C68004D75D3B0D7E8277C" type="email">kochman_natalia@wp.pl</mods:nameIdentifier>
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<mods:namePart id="E84D50F25FE5BE96EDE66EF8909153EB">Vijver, Bart Van De</mods:namePart>
<mods:nameIdentifier id="A67D9224F807E12BB850DD9995CCD2F8" type="ORCID">0000-0002-6244-1886</mods:nameIdentifier>
<mods:affiliation id="D60F6DF1544C2193286F2ACAA2AD797F">Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium &amp; University of Antwerp, Department of Biology - ECOSPHERE, Universiteitsplein 1, B- 2610 Wilrijk, Belgium &amp; bart. vandevijver @ plantentuinmeise. be; https: // orcid. org / 0000 - 0002 - 6244 - 1886</mods:affiliation>
<mods:nameIdentifier id="1B72E1B88E85EE1FA4AB25ED6B67EAB4" type="email">bart.vandevijver@plantentuinmeise.be</mods:nameIdentifier>
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<mods:title id="371B0AE0B52744E5897C2DAC2C1A1503">Phytotaxa</mods:title>
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<mods:date id="2821CFEE3A26DB151F65A1051E00B58A">2023</mods:date>
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<mods:number id="2CF6D593410030D4E5EE6E6ADF15B3D9">2023-07-05</mods:number>
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<mods:number id="350C61B4B33F1CD153AC6B58B7783977">601</mods:number>
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<mods:identifier id="8C3F953D44A46EC6A2E4B40ECD1512AC" type="DOI">10.11646/phytotaxa.601.1.6</mods:identifier>
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<treatment id="03D2F8617863FFFA5FA64FA1D70EB72A" ID-DOI="http://doi.org/10.5281/zenodo.8143236" ID-Zenodo-Dep="8143236" LSID="urn:lsid:plazi:treatment:03D2F8617863FFFA5FA64FA1D70EB72A" httpUri="http://treatment.plazi.org/id/03D2F8617863FFFA5FA64FA1D70EB72A" lastPageNumber="83" pageId="2" pageNumber="83">
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<paragraph id="8BC449777863FFFA5FA64FA1D28ABD9D" blockId="2.[136,1452,646,816]" box="[136,1177,646,673]" pageId="2" pageNumber="83">
<taxonomicName id="4C7B32F47863FFFA5FA64FA1D5A1BD9D" authority="Goeyers, Kochman-Kedziora &amp; Van de Vijver" authorityName="Goeyers, Kochman-Kedziora &amp; Van de Vijver" authorityYear="2023" box="[136,946,646,673]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="2" pageNumber="83" phylum="Ochrophyta" rank="species" species="groenlandica" status="sp. nov.">
<emphasis id="B90F95657863FFFA5FA64FA1D7B7BD9D" bold="true" box="[136,420,646,673]" italics="true" pageId="2" pageNumber="83">Orthoseira groenlandica</emphasis>
<materialsCitation id="3B13432A7863FFFA5E854FA0D5A1BD9D" box="[427,946,647,673]" collectingDate="2002-07-27" collectionCode="DM" collectorName="P. Ledeganck" country="Greenland" latitude="69.25647" location="Qeqertarsuaq" longLatPrecision="1" longitude="-53.507362" pageId="2" pageNumber="83" specimenCode="DM27" specimenCount="1">Goeyers, Kochman-Kędziora &amp; Van de Vijver</materialsCitation>
</taxonomicName>
,
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<taxonomicNameLabel id="A23C281E7863FFFA5C934FAFD202BD9D" box="[957,1041,648,673]" pageId="2" pageNumber="83" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="134055F27863FFFA5B0E4FA0D282BD9D" box="[1056,1169,647,673]" captionStart-0="FIGURES 1–22" captionStart-1="FIGURES 23–32" captionStartId-0="3.[136,243,1588,1610]" captionStartId-1="4.[136,243,1804,1826]" captionTargetBox-0="[151,1435,187,1561]" captionTargetBox-1="[214,1374,190,1780]" captionTargetId-0="figure-19@3.[151,1435,187,1561]" captionTargetId-1="figure-29@4.[214,1374,190,1780]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionText-0="FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm." captionText-1="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi-0="http://doi.org/10.5281/zenodo.8129509" figureDoi-1="http://doi.org/10.5281/zenodo.8129511" httpUri-0="https://zenodo.org/record/8129509/files/figure.png" httpUri-1="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 1–30</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3611AFC7863FFFA5FA64F89D6DCBC37" pageId="2" pageNumber="83" type="materials_examined">
<paragraph id="8BC449777863FFFA5FA64F89D6DCBC37" blockId="2.[136,1452,646,816]" pageId="2" pageNumber="83">
<emphasis id="B90F95657863FFFA5FA64F89D6A9BDFF" bold="true" box="[136,186,686,707]" pageId="2" pageNumber="83">
<typeStatus id="54C0F7D57863FFFA5FA64F89D6A9BDFF" box="[136,186,686,707]" pageId="2" pageNumber="83">Type</typeStatus>
</emphasis>
:—
<materialsCitation id="3B13432A7863FFFA5FF84F89D463BDD4" collectingDate="2002-07-27" collectionCode="DM" collectorName="P. Ledeganck" country="Greenland" county="The" latitude="69.25647" location="Qeqertarsuaq" longLatPrecision="1" longitude="-53.507362" municipality="University of Antwerp" pageId="2" pageNumber="83" specimenCode="DM27" specimenCount="1" typeStatus="holotype">
<collectingCountry id="F36C09E77863FFFA5FF84F89D77DBDFF" box="[214,366,686,707]" name="Greenland" pageId="2" pageNumber="83">GREENLAND</collectingCountry>
,
<location id="8EA41FAC7863FFFA5E544F89D7EEBDFF" LSID="urn:lsid:plazi:treatment:03D2F8617863FFFA5FA64FA1D70EB72A:8EA41FAC7863FFFA5E544F89D7EEBDFF" box="[378,509,686,707]" country="Greenland" county="The" latitude="69.25647" longLatPrecision="1" longitude="-53.507362" municipality="University of Antwerp" name="Qeqertarsuaq" pageId="2" pageNumber="83">Qeqertarsuaq</location>
, sample
<specimenCode id="DBDDE10C7863FFFA5D7D4F89D481BDFF" box="[595,658,686,707]" collectionCode="DM" country="New Zealand" name="Dominion Museum" pageId="2" pageNumber="83">DM27</specimenCode>
(coll. date
<date id="FFC56FB77863FFFA5C2A4F89D568BDFF" box="[772,891,686,707]" pageId="2" pageNumber="83" value="2002-07-27">
<collectingDate id="EF81965F7863FFFA5C2A4F89D568BDFF" box="[772,891,686,707]" pageId="2" pageNumber="83" value="2002-07-27">27.VII.2002</collectingDate>
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,
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/
<geoCoordinate id="EE4F2FB07863FFFA5B334F89D2B9BDF8" box="[1053,1194,686,708]" degrees="53" direction="west" minutes="30" orientation="longitude" pageId="2" pageNumber="83" precision="1" seconds="26.5" value="-53.507362">53°30’26.5”W</geoCoordinate>
, leg.
<collectorName id="268E2CA17863FFFA5BCF4F88D375BDF8" box="[1249,1382,686,708]" pageId="2" pageNumber="83">P. Ledeganck</collectorName>
), holo-BR-4801! (Meise Botanic Garden, Belgium),
</materialsCitation>
<materialsCitation id="3B13432A7863FFFA5D584FF5D240BDD4" box="[630,1107,722,744]" collectingDate="2002-07-27" collectorName="P. Ledeganck" country="Greenland" county="The" latitude="69.25647" location="Qeqertarsuaq" longLatPrecision="1" longitude="-53.507362" municipality="University of Antwerp" pageId="2" pageNumber="83" specimenCode="DM27" specimenCount="1" typeStatus="isotype">iso- slide 428! (University of Antwerp, Belgium).</materialsCitation>
The
<typeStatus id="54C0F7D57863FFFA5BAD4FF5D2C4BDD4" box="[1155,1239,722,744]" pageId="2" pageNumber="83">holotype</typeStatus>
is represented by
<figureCitation id="134055F27863FFFA5AAB4FF5D3BBBDD4" box="[1413,1448,722,744]" captionStart="FIGURES 1–22" captionStartId="3.[136,243,1588,1610]" captionTargetBox="[151,1435,187,1561]" captionTargetId="figure-19@3.[151,1435,187,1561]" captionTargetPageId="3" captionText="FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.8129509" httpUri="https://zenodo.org/record/8129509/files/figure.png" pageId="2" pageNumber="83">Fig</figureCitation>
. 8.
</paragraph>
</subSubSection>
<subSubSection id="C3611AFC7863FFFA5FA64E3DD5A1B9CA" pageId="2" pageNumber="83" type="description">
<paragraph id="8BC449777863FFFA5FA64E3DD4A3BC0C" blockId="2.[136,1452,646,816]" box="[136,688,794,816]" pageId="2" pageNumber="83">
<emphasis id="B90F95657863FFFA5FA64E3DD768BC0C" bold="true" box="[136,379,794,816]" pageId="2" pageNumber="83">PhycoBank registration</emphasis>
:—http://phycobank.org/103791
</paragraph>
<paragraph id="8BC449777863FFFA5FA64E7ED5E1BB8A" blockId="2.[136,1452,856,2070]" pageId="2" pageNumber="83">
LM (
<figureCitation id="134055F27863FFFA5FEE4E7FD726BC4E" box="[192,309,856,882]" captionStart="FIGURES 1–22" captionStartId="3.[136,243,1588,1610]" captionTargetBox="[151,1435,187,1561]" captionTargetId="figure-19@3.[151,1435,187,1561]" captionTargetPageId="3" captionText="FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.8129509" httpUri="https://zenodo.org/record/8129509/files/figure.png" pageId="2" pageNumber="83">Figs 1–22</figureCitation>
): Frustules cylindrical in girdle view, solitary or occasionally in pairs, with their valve faces connected (
<figureCitation id="134055F27863FFFA5FBE4E5BD6E0BCAA" box="[144,243,892,918]" captionStart="FIGURES 1–22" captionStartId="3.[136,243,1588,1610]" captionTargetBox="[151,1435,187,1561]" captionTargetId="figure-19@3.[151,1435,187,1561]" captionTargetPageId="3" captionText="FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.8129509" httpUri="https://zenodo.org/record/8129509/files/figure.png" pageId="2" pageNumber="83">Figs 1–6</figureCitation>
, frustules in pairs not shown). Longer filaments of more than two connected frustules up to now not observed. Cells 15–25 μm, mantle height ca. 8 μm. Valves disc-shaped (
<figureCitation id="134055F27863FFFA5C634E87D5D7BC86" box="[845,964,928,954]" captionStart="FIGURES 1–22" captionStartId="3.[136,243,1588,1610]" captionTargetBox="[151,1435,187,1561]" captionTargetId="figure-19@3.[151,1435,187,1561]" captionTargetPageId="3" captionText="FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.8129509" httpUri="https://zenodo.org/record/8129509/files/figure.png" pageId="2" pageNumber="83">Figs 7–22</figureCitation>
). Valve diameter (n=30): 10–35 μm. Valve surface flat, sloping abruptly at the valve face/mantle junction, visible in LM as a darker circular edge. Central area small, max. 1/5 of the total valve diameter, irregular in shape, hyaline, with often scattered areolae present between the carinoportulae. 2–3 (occasionally 4) large, rounded carinoportulae present. No relationship noted between number of carinoportulae and valve diameter. Striae on the mantle uniseriate, composed of densely packed irregular series of areolae, up to
<quantity id="4C83E4927863FFFA5E034973D774BB52" box="[301,359,1108,1135]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" pageId="2" pageNumber="83" unit="in" value="25.0">25 in</quantity>
10 μm. Valve face areolae large, arranged in radiate, uniseriate striae of variable length,
<quantity id="4C83E4927863FFFA5A4B4973D68DBBAE" metricMagnitude="-1" metricUnit="m" metricValue="4.064" metricValueMax="4.572" metricValueMin="3.556" pageId="2" pageNumber="83" unit="in" value="16.0" valueMax="18.0" valueMin="14.0">14–18 in</quantity>
10 µm. Large, scattered marginal spines distinctly present at the valve face/mantle junction. No caverns, internal undulations or internal valves observed. Copulae number variable. (
<figureCitation id="134055F27863FFFA5C5149BBD5F6BB8A" box="[895,997,1180,1206]" captionStart="FIGURES 1–22" captionStartId="3.[136,243,1588,1610]" captionTargetBox="[151,1435,187,1561]" captionTargetId="figure-19@3.[151,1435,187,1561]" captionTargetPageId="3" captionText="FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.8129509" httpUri="https://zenodo.org/record/8129509/files/figure.png" pageId="2" pageNumber="83">Figs 1–6</figureCitation>
).
</paragraph>
<paragraph id="8BC449777863FFFA5F9349E7D5A1B9CA" blockId="2.[136,1452,856,2070]" pageId="2" pageNumber="83">
SEM (
<figureCitation id="134055F27863FFFA5E2749E7D79CBBE7" box="[265,399,1216,1243]" captionStart-0="FIGURES 23–32" captionStart-1="FIGURES 33–35" captionStartId-0="4.[136,243,1804,1826]" captionStartId-1="5.[136,243,974,996]" captionTargetBox-0="[214,1374,190,1780]" captionTargetBox-1="[151,1435,190,950]" captionTargetId-0="figure-29@4.[214,1374,190,1780]" captionTargetId-1="figure-19@5.[151,1435,190,950]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." captionText-1="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi-0="http://doi.org/10.5281/zenodo.8129511" figureDoi-1="http://doi.org/10.5281/zenodo.8129513" httpUri-0="https://zenodo.org/record/8129511/files/figure.png" httpUri-1="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Figs 23–35</figureCitation>
): Cingulum composed of several broad, open copulae entirely covered with small siliceous papillae (
<figureCitation id="134055F27863FFFA5FDE49C3D762BBC2" box="[240,369,1252,1278]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 23, 24</figureCitation>
) and bearing several irregularly arranged, often incomplete rows of small poroids (
<figureCitation id="134055F27863FFFA5A3549C3D38CBBC2" box="[1307,1439,1252,1278]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 23, 24</figureCitation>
). Mantle shallow, often with a clear step halfway the valve mantle (
<figureCitation id="134055F27863FFFA5C46482FD5ACBA1F" box="[872,959,1288,1315]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 25</figureCitation>
, arrow, 26) giving the abvalvar mantle edge a thickened appearance compared to the advalvar edge. Marginal pore fields absent. Mantle covered by an irregular pattern of flattened but thickened ridges, giving the entire mantle a dirty outlook. Ridges extending from the valve face onto the advalvar edge of the mantle, continuing into a scattered pattern of small siliceous plates (
<figureCitation id="134055F27863FFFA5A344853D38CBAB2" box="[1306,1439,1396,1422]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 26, 26</figureCitation>
). Areolae visible between the small siliceous plates (
<figureCitation id="134055F27863FFFA5DEC48BFD505BA8E" box="[706,790,1432,1458]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Fig. 26</figureCitation>
). Valve face/mantle junction abruptly sloping with rounded edge (
<figureCitation id="134055F27863FFFA5FE3489BD741BAEA" box="[205,338,1468,1495]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 25, 26</figureCitation>
). Short, radiating ridges surrounding the entire valve margin (
<figureCitation id="134055F27863FFFA5B21489BD287BAEB" box="[1039,1172,1468,1495]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 25–29</figureCitation>
). Short, robust, marginal spines irregularly scattered on the valve margin (
<figureCitation id="134055F27863FFFA5D8248C7D523BAC7" box="[684,816,1504,1531]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 25–32</figureCitation>
). Valve face flat (
<figureCitation id="134055F27863FFFA5CDD48C7D265BAC6" box="[1011,1142,1504,1530]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 27–29</figureCitation>
), covered in the center by a dense pattern of irregular small and large siliceous plates, obscuring the carinoportulae (
<figureCitation id="134055F27863FFFA5B4A4B23D2FBB922" box="[1124,1256,1540,1566]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 27–30</figureCitation>
). Radiating striae extending from the central area to the valve margin, composed of distinct, rimmed, rounded areolae. In oblique view, the marginal zone of the valve face presenting a dense, irregular pattern of shorter and longer, small spines and papillae between and around the areolae (
<figureCitation id="134055F27863FFFA5ED94B57D46AB9B6" box="[503,633,1648,1674]" captionStart="FIGURES 23–32" captionStartId="4.[136,243,1804,1826]" captionTargetBox="[214,1374,190,1780]" captionTargetId="figure-29@4.[214,1374,190,1780]" captionTargetPageId="4" captionText="FIGURES 23–32. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 23. Frustule in girdle view showing the structure of the cingulum. 24. Entire girdle band. 25. SEM external view of a valve in oblique view showing the step in the mantle (arrows). Fig. 26. SEM external view of a valve in oblique view lacking the step in the mantle. 27–29. Three external views of an entire valve. Note the typical siliceous scales in the valve center, the marginal ring of ridges and the scattered, short teeth-like spines. 30. SEM external oblique detail showing the irregular valve face ornamentation with papillae, thin spines and siliceous plates in the valve center. 31. SEM external detail of the marginal spines. Note the granulate surface structure of the girdle band. 32. SEM external detail of the surface structure in the central area obscuring the view on the carinoportulae. Scale bars = 10 µm (Figs 23–31), 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.8129511" httpUri="https://zenodo.org/record/8129511/files/figure.png" pageId="2" pageNumber="83">Figs 30, 32</figureCitation>
). Internally, valve face flat, smooth (
<figureCitation id="134055F27863FFFA5B3F4B57D270B9B6" box="[1041,1123,1648,1674]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Fig. 33</figureCitation>
). Areolae appearing as small, rounded poroids (
<figureCitation id="134055F27863FFFA5E7F4BB3D7C5B993" box="[337,470,1684,1711]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Figs 34, 35</figureCitation>
). Striae often interrupted by short, slit-like openings (
<figureCitation id="134055F27863FFFA5B134BB3D282B992" box="[1085,1169,1684,1710]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Fig. 34</figureCitation>
, arrows). Carinoportulae unoccluded (
<figureCitation id="134055F27863FFFA5E394B9FD77BB9EE" box="[279,360,1720,1746]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Fig. 33</figureCitation>
), pit-like, ornamented with a rough pattern (
<figureCitation id="134055F27863FFFA5C644B9FD5DBB9EF" box="[842,968,1720,1747]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Figs 34, 35</figureCitation>
). Several slit-like openings present between the carinoportulae (
<figureCitation id="134055F27863FFFA5E4C4BFBD7F7B9CB" box="[354,484,1756,1783]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Figs 34, 35</figureCitation>
). Internal caverns not observed (
<figureCitation id="134055F27863FFFA5C7C4BFBD5B6B9CA" box="[850,933,1756,1782]" captionStart="FIGURES 33–35" captionStartId="5.[136,243,974,996]" captionTargetBox="[151,1435,190,950]" captionTargetId="figure-19@5.[151,1435,190,950]" captionTargetPageId="5" captionText="FIGURES 33–35. Orthoseira groenlandica Goeyers, Kochman-Kędziora &amp; Van de Vijver, sp. nov. SEM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 33. SEM internal view of a complete valve. 34–35. SEM internal details of the carinoportulae showing the slits between the carinoportulae. The white arrows in Fig. 34 indicate the slit-like openings scattered between the areolae. Scale bars = 10 µm (Figs 33–34), 1 µm (Fig. 35)." figureDoi="http://doi.org/10.5281/zenodo.8129513" httpUri="https://zenodo.org/record/8129513/files/figure.png" pageId="2" pageNumber="83">Fig. 33</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3611AFC7863FFFA5F934A27D70EB72A" pageId="2" pageNumber="83" type="biology_ecology">
<paragraph id="8BC449777863FFFA5F934A27D70EB72A" blockId="2.[136,1452,856,2070]" pageId="2" pageNumber="83">
<emphasis id="B90F95657863FFFA5F934A27D47BB826" bold="true" box="[189,616,1792,1818]" pageId="2" pageNumber="83">Ecology and associated diatom flora</emphasis>
:—The sample was collected from wet (unidentified) terrestrial bryophytes, covered by cyanobacteria such as
<taxonomicName id="4C7B32F47863FFFA5D284A03D4A8B803" box="[518,699,1828,1855]" class="Cyanophyceae" family="Oscillatoriaceae" genus="Phormidium" kingdom="Bacteria" order="Nostocales" pageId="2" pageNumber="83" phylum="Cyanobacteria" rank="species" species="undetermined">
<emphasis id="B90F95657863FFFA5D284A03D481B802" box="[518,658,1828,1854]" italics="true" pageId="2" pageNumber="83">Phormidium</emphasis>
sp.
</taxonomicName>
, in a splash zone under an overhanging cliff from where water was continuously dripping on the soil and mosses. Water squeezed out of the mosses had a pH of 9 and a conductivity of 76 µS/cm and contained almost no nutrients (Van de Vijver, unpubl. res.). The diatom flora was entirely dominated by only a handful of species with
<taxonomicName id="4C7B32F47863FFFA5D294AB7D5B4B896" authority="Levkov &amp; Metzeltin" authorityName="Levkov &amp; Metzeltin" authorityYear="2013" box="[519,935,1936,1962]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="83" phylum="Ochrophyta" rank="species" species="arctica">
<emphasis id="B90F95657863FFFA5D294AB7D4A9B896" box="[519,698,1936,1962]" italics="true" pageId="2" pageNumber="83">Luticola arctica</emphasis>
Levkov &amp; Metzeltin
</taxonomicName>
(in
<bibRefCitation id="EFEA34867863FFFA5CF84AB7D2CBB896" author="Levkov, Z. &amp; Metzeltin, D. &amp; Pavlov, A." box="[982,1240,1936,1962]" pageId="2" pageNumber="83" pagination="1 - 698" refId="ref6177" refString="Levkov, Z., Metzeltin, D. &amp; Pavlov, A. (2013) Luticola and Luticolopsis. Diatoms of Europe 7: 1 - 698." type="journal article" year="2013">
Levkov
<emphasis id="B90F95657863FFFA5B1D4AB6D27FB896" box="[1075,1132,1936,1962]" italics="true" pageId="2" pageNumber="83">et al.</emphasis>
2013: 67
</bibRefCitation>
) and
<taxonomicName id="4C7B32F47863FFFA5A364AB7D4F7B8F3" authority="(Grunow 1860: 552) R. L. Lowe (2014: 358)" authorityName="R. L. Lowe" authorityPageNumber="358" authorityYear="2014" baseAuthorityName="Grunow" baseAuthorityPageNumber="552" baseAuthorityYear="1860" class="Bacillariophyceae" family="Diadesmidaceae" genus="Humidophila" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="83" phylum="Ochrophyta" rank="species" species="perpusilla">
<emphasis id="B90F95657863FFFA5A364AB7D6E9B8F2" italics="true" pageId="2" pageNumber="83">Humidophila perpusilla</emphasis>
(
<bibRefCitation id="EFEA34867863FFFA5E294A93D7CFB8F3" author="Grunow, A." box="[263,476,1972,1999]" pageId="2" pageNumber="83" pagination="503 - 582" refId="ref5518" refString="Grunow, A. (1860) Uber neue oder ungenugend gekannte Algen. Erste Folge, Diatomeen, Familie Naviculaceen. Verhandlungen der kaiserlich-koniglichen zoologisch-botanischen Gesellschaft in Wien 10: 503 - 582." type="journal article" year="1860">Grunow 1860: 552</bibRefCitation>
) R.L.
<bibRefCitation id="EFEA34867863FFFA5D394A92D4F7B8F3" author="Lowe, R. L. &amp; Kociolek, P. &amp; Johansen, J. R. &amp; Van de Vijver, B. &amp; Lange-Bertalot, H. &amp; Kopalova, K." box="[535,740,1972,1999]" pageId="2" pageNumber="83" pagination="351 - 360" refId="ref6272" refString="Lowe, R. L., Kociolek, P., Johansen, J. R., Van de Vijver, B., Lange-Bertalot, H. &amp; Kopalova, K. (2014) Humidophila gen. nov., a new genus for a group of diatoms (Bacillariophyta) formerly within the genus Diadesmis: species from Hawai'i, including one new species. Diatom Research 29 (4): 351 - 360. https: // doi. org / 10.1080 / 0269249 X. 2014.889039" type="journal article" year="2014">Lowe (2014: 358)</bibRefCitation>
</taxonomicName>
as the most dominant species, and
<taxonomicName id="4C7B32F47863FFFA5B464A93D6ECB8CE" authority="Lagerstedt (1873: 36)" authorityName="Lagerstedt" authorityPageNumber="36" authorityYear="1873" class="Bacillariophyceae" family="Naviculaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="83" phylum="Bacillariophyta" rank="species" species="obtusa">
<emphasis id="B90F95657863FFFA5B464A93D323B8F2" box="[1128,1328,1972,1998]" italics="true" pageId="2" pageNumber="83">Stauroneis obtusa</emphasis>
<bibRefCitation id="EFEA34867863FFFA5A1B4A93D6ECB8CE" author="Lagerstedt, N. G. W." pageId="2" pageNumber="83" pagination="1 - 52" refId="ref6143" refString="Lagerstedt, N. G. W. (1873) Sotvatens-Diatomaceer fran Spetsbergen och Beeren Eiland. Bihang till Kongliga Svenska Vetenskaps- Akademiens Handlingar 1 (14): 1 - 52." type="journal article" year="1873">Lagerstedt (1873: 36)</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C7B32F47863FFFA5E164AFFD45CB8CE" authorityName="Goeyers, Kochman-Kedziora &amp; Van de Vijver" authorityYear="2023" box="[312,591,2008,2034]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="2" pageNumber="83" phylum="Ochrophyta" rank="species" species="groenlandica">
<emphasis id="B90F95657863FFFA5E164AFFD45CB8CE" box="[312,591,2008,2034]" italics="true" pageId="2" pageNumber="83">Orthoseira groenlandica</emphasis>
</taxonomicName>
being frequent but not dominant, pointing to the aerophilic character of the environment.
</paragraph>
</subSubSection>
</treatment>
</document>
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