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<document id="0DBBBCA69F05F3442082760361475F3B" ID-DOI="10.11646/phytotaxa.247.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13675639" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725406663808" checkinUser="felipe" docAuthor="Kaštovský, Jan, Veselá, Jana, Bohunická, Markéta, Fučíková, Karolina, Štenclová, Lenka &amp; Brewer-Carías, Charles" docDate="2016" docId="C04387E2C512FA6FF9E6F949FF464C49" docLanguage="en" docName="phytotaxa.247.3.1.pdf" docOrigin="Phytotaxa 247 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.247.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Eunotia multirimoportulata Vesela, Bohunicka &amp; Kastovsky 2016, sp. nov." docType="treatment" docVersion="2" lastPageNumber="171" masterDocId="3C7AFF9AC51FFA7DF96EFFF8FFFF4F08" masterDocTitle="New and unusual species of cyanobacteria, diatoms and green algae, with a description of a new genus Ekerewekia gen. nov. (Chlorophyta) from the table mountain Churí-tepui, Chimantá Massif (Venezuela)" masterLastPageNumber="180" masterPageNumber="153" pageNumber="166" updateTime="1725427335288" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="C1F4225DEB84592EB342F4953B75FE61">New and unusual species of cyanobacteria, diatoms and green algae, with a description of a new genus Ekerewekia gen. nov. (Chlorophyta) from the table mountain Churí-tepui, Chimantá Massif (Venezuela)</mods:title>
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<mods:namePart id="5B0BFF189DB470B2496E2A4610D311D1">Kaštovský, Jan</mods:namePart>
<mods:affiliation id="F3E5AE085CE2D746C3F08328C56B80A2">Faculty of Science, University of South Bohemia, Branišovská 31, České Budějovice 37005, Czech Republic.</mods:affiliation>
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<mods:namePart id="81A4D51F4EA406B27D7E5FE65D4C9FA3">Veselá, Jana</mods:namePart>
<mods:affiliation id="34C10F1288D36E2B27970A0FC71AF693">Faculty of Science, University of South Bohemia, Branišovská 31, České Budějovice 37005, Czech Republic.</mods:affiliation>
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<mods:namePart id="747CA097CA2B9D66C9794E1E3302B007">Bohunická, Markéta</mods:namePart>
<mods:affiliation id="51D4B34E0A241D49854350EAB3CEA08C">Faculty of Science, University of South Bohemia, Branišovská 31, České Budějovice 37005, Czech Republic.</mods:affiliation>
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<mods:namePart id="3199255596F5A5E26B52FF0374172E2A">Fučíková, Karolina</mods:namePart>
<mods:affiliation id="8DC43C3293A30500638BBE46C5BEFBE3">University of Connecticut, Department of Ecology and Evolutionary Biology, 75 North Eagleville Road, Storrs, CT 06269 - 3043, U. S. A.</mods:affiliation>
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<mods:namePart id="B45B4A406F6C7ADB4F6CA47A21FEC797">Štenclová, Lenka</mods:namePart>
<mods:affiliation id="A2AB8D46ED417DB04321A40AF7DB2B21">Faculty of Science, University of South Bohemia, Branišovská 31, České Budějovice 37005, Czech Republic.</mods:affiliation>
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<mods:namePart id="44C442CBD82DB4A3EA5CF05F965F5581">Brewer-Carías, Charles</mods:namePart>
<mods:affiliation id="3729813772EF8826C89DD6F7AB4ED70C">Expedition Director, Sociedad Venezolana de Ciencias Naturales, Caracas, Venezuela.</mods:affiliation>
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<mods:date id="C4B12A4B060384BFAACDCAD46A6BB6A0">2016</mods:date>
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<treatment id="C04387E2C512FA6FF9E6F949FF464C49" ID-DOI="http://doi.org/10.5281/zenodo.13675715" ID-Zenodo-Dep="13675715" LSID="urn:lsid:plazi:treatment:C04387E2C512FA6FF9E6F949FF464C49" httpUri="http://treatment.plazi.org/id/C04387E2C512FA6FF9E6F949FF464C49" lastPageId="18" lastPageNumber="171" pageId="13" pageNumber="166">
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<paragraph id="485536F4C512FA70F9E6F949FBC249C4" blockId="13.[136,1085,1713,1740]" box="[136,1085,1713,1740]" pageId="13" pageNumber="166">
<heading id="131D8198C512FA70F9E6F949FBC249C4" bold="true" box="[136,1085,1713,1740]" fontSize="11" level="1" pageId="13" pageNumber="166" reason="1">
<emphasis id="7A9EEAE6C512FA70F9E6F949FBC249C4" bold="true" box="[136,1085,1713,1740]" pageId="13" pageNumber="166">
<taxonomicName id="8FEA4D77C512FA70F9E6F949FCB149C4" authority="Vesela, Bohunicka &amp; Kastovsky" authorityName="Vesela, Bohunicka &amp; Kastovsky" authorityYear="2016" box="[136,846,1713,1740]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="13" pageNumber="166" phylum="Bacillariophyta" rank="species" species="multirimoportulata" status="sp. nov.">
<emphasis id="7A9EEAE6C512FA70F9E6F949FE3649C4" bold="true" box="[136,457,1713,1740]" italics="true" pageId="13" pageNumber="166">Eunotia multirimoportulata</emphasis>
Veselá, Bohunická &amp; Kaštovský
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,
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<emphasis id="7A9EEAE6C512FA70FA35F94AFC8B49C4" bold="true" box="[859,884,1714,1740]" italics="true" pageId="13" pageNumber="166">sp</emphasis>
.
<emphasis id="7A9EEAE6C512FA70FAEFF94AFC5449C4" bold="true" box="[897,939,1714,1740]" italics="true" pageId="13" pageNumber="166">nov</emphasis>
.
</taxonomicNameLabel>
(
<figureCitation id="D0D12A71C512FA70FAAFF94BFBCA49C4" box="[961,1077,1715,1740]" captionStart-0="FIGURE 9" captionStart-1="FIGURE 10" captionStart-2="FIGURE 11" captionStart-3="FIGURE 12" captionStartId-0="14.[136,229,1802,1823]" captionStartId-1="15.[136,229,1851,1872]" captionStartId-2="16.[136,229,1948,1969]" captionStartId-3="17.[136,229,1844,1865]" captionTargetBox-0="[170,1417,190,1777]" captionTargetBox-1="[170,1417,423,1818]" captionTargetBox-2="[176,1411,315,1922]" captionTargetBox-3="[170,1417,190,1819]" captionTargetId-0="figure-18@14.[170,1417,190,1777]" captionTargetId-1="figure-174@15.[170,1417,422,1826]" captionTargetId-2="figure-103@16.[176,1411,314,1922]" captionTargetId-3="figure-14@17.[170,1417,190,1819]" captionTargetPageId-0="14" captionTargetPageId-1="15" captionTargetPageId-2="16" captionTargetPageId-3="17" captionText-0="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." captionText-1="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." captionText-2="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." captionText-3="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi-0="http://doi.org/10.5281/zenodo.13675671" figureDoi-1="http://doi.org/10.5281/zenodo.13675675" figureDoi-2="http://doi.org/10.5281/zenodo.13675677" figureDoi-3="http://doi.org/10.5281/zenodo.13675683" httpUri-0="https://zenodo.org/record/13675671/files/figure.png" httpUri-1="https://zenodo.org/record/13675675/files/figure.png" httpUri-2="https://zenodo.org/record/13675677/files/figure.png" httpUri-3="https://zenodo.org/record/13675683/files/figure.png" pageId="13" pageNumber="166">Figs 9–12</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="485536F4C512FA72F9E6F906FDE34E85" blockId="13.[136,1452,1790,1991]" lastBlockId="15.[189,1452,160,397]" lastPageId="15" lastPageNumber="168" pageId="13" pageNumber="166">
Frustules rectangular in girdle view from the ventral side (
<figureCitation id="D0D12A71C512FA70FBDDF906FCE7481B" box="[691,792,1790,1811]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="13" pageNumber="166">Figs 9I–K</figureCitation>
),
<emphasis id="7A9EEAE6C512FA70FA46F906FCC1481B" box="[808,830,1790,1811]" italics="true" pageId="13" pageNumber="166">ca</emphasis>
. 40 μm wide. Valves with slightly to moderately concave ventral margins and highly convex dorsal margins, constantly with four wave crests on the dorsal margin (
<figureCitation id="D0D12A71C512FA70FD04F8DAFB29483F" box="[1130,1238,1826,1847]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="13" pageNumber="166">Figs 9A–H</figureCitation>
,
<figureCitation id="D0D12A71C512FA70FD8EF8DAFAD6483F" box="[1248,1321,1826,1847]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="13" pageNumber="166">10A–K</figureCitation>
). Valve crests rounded, with a similar degree of curvature of the crests and the depressions (
<figureCitation id="D0D12A71C512FA70FAF2F8BEFC0A4853" box="[924,1013,1862,1883]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="13" pageNumber="166">Fig. 10A</figureCitation>
). Valves relatively large for the genus, 85–128 μm long, 36–46 μm wide in the largest peak, and 33–43 μm wide in between the crests and the center of ventral margin. Valve length-to-width ratio mostly around 2.6 (2.5–3.0). Valve apices broadly truncated (
<emphasis id="7A9EEAE6C512FA70FAE8F876FC6F48AB" box="[902,912,1934,1955]" italics="true" pageId="13" pageNumber="166">e</emphasis>
.
<emphasis id="7A9EEAE6C512FA70FAF9F876FC5C48AB" box="[919,931,1934,1955]" italics="true" pageId="13" pageNumber="166">g</emphasis>
.,
<figureCitation id="D0D12A71C512FA70FADAF876FBE048AB" box="[948,1055,1934,1955]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="13" pageNumber="166">Figs 9A, G</figureCitation>
,
<figureCitation id="D0D12A71C512FA70FD47F876FBAC48AB" box="[1065,1107,1934,1955]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="13" pageNumber="166">10A</figureCitation>
) to round (
<emphasis id="7A9EEAE6C512FA70FDD3F876FB3848AB" box="[1213,1223,1934,1955]" italics="true" pageId="13" pageNumber="166">e</emphasis>
.
<emphasis id="7A9EEAE6C512FA70FDA3F876FB2648AB" box="[1229,1241,1934,1955]" italics="true" pageId="13" pageNumber="166">g</emphasis>
.,
<figureCitation id="D0D12A71C512FA70FD84F876FAAB48AB" box="[1258,1364,1934,1955]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="13" pageNumber="166">Figs 9C, H</figureCitation>
,
<figureCitation id="D0D12A71C512FA70FC30F876FA5F48AB" box="[1374,1440,1934,1955]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="13" pageNumber="166">10F, K</figureCitation>
). Terminal nodules on the ventral side of the valve, not far from the apices (
<figureCitation id="D0D12A71C512FA70FA1CF84AFC2148CF" box="[882,990,1970,1991]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="13" pageNumber="166">Figs 9A–H</figureCitation>
,
<figureCitation id="D0D12A71C512FA70FA89F84AFBCF48CF" box="[999,1072,1970,1991]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="13" pageNumber="166">10A–K</figureCitation>
). Terminal raphe fissures curving onto the valve face (
<figureCitation id="D0D12A71C511FA73F820F862FDEF48A7" box="[334,528,1946,1967]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="14" pageNumber="167">Figs 11B, D, E, H, I</figureCitation>
), pointing towards the center of the apical part of the valve (
<figureCitation id="D0D12A71C511FA73FD21F862FB6048A7" box="[1103,1183,1946,1967]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="14" pageNumber="167">Figs 9A</figureCitation>
,
<figureCitation id="D0D12A71C511FA73FDC7F862FB2B48A7" box="[1193,1236,1946,1967]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="14" pageNumber="167">10A</figureCitation>
,
<figureCitation id="D0D12A71C511FA73FDB0F862FAFA48A7" box="[1246,1285,1946,1967]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="14" pageNumber="167">11F</figureCitation>
). Helictoglossa is massive and well visible in LM (
<figureCitation id="D0D12A71C511FA73F884F846FDAB48DB" box="[490,596,1982,2003]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="14" pageNumber="167">Figs 9A–H</figureCitation>
,
<figureCitation id="D0D12A71C511FA73FB32F846FD8948DB" box="[604,630,1982,2003]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="14" pageNumber="167">10</figureCitation>
). Number and arrangement of rimoportulae highly variable, two to five (most commonly three or four) rimoportulae per each valve apex (
<figureCitation id="D0D12A71C511FA73FB13F81AFD2948FF" box="[637,726,2018,2039]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="14" pageNumber="167">Figs 10D</figureCitation>
,
<figureCitation id="D0D12A71C511FA73FBB0F81AFCCA48FF" box="[734,821,2018,2039]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="14" pageNumber="167">12B, E–I</figureCitation>
), in total five to eight per valve. Rimoportulae arranged individually (
<figureCitation id="D0D12A71C511FA73F9AAF7FEFECA4713" box="[196,309,2054,2075]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="14" pageNumber="167">Figs 12B, F</figureCitation>
), as a group (
<figureCitation id="D0D12A71C511FA73F8DAF7FEFDD44713" box="[436,555,2054,2075]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="14" pageNumber="167">Figs 12G, H</figureCitation>
), or as a combination of both (
<figureCitation id="D0D12A71C511FA73FA24F7FEFC4A4713" box="[842,949,2054,2075]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="14" pageNumber="167">Figs 12E, I</figureCitation>
). External opening of each individual rimoportula (or a group of rimoportulae) usually as an elongated pore (
<figureCitation id="D0D12A71C510FA72FBA3FF58FC904FBD" box="[717,879,160,181]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">Fig. 11C–E, H, I</figureCitation>
), sometimes as a round pore (
<figureCitation id="D0D12A71C510FA72FDFEFF58FB194FBD" box="[1168,1254,160,181]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">Fig. 11C</figureCitation>
), located at the apex on the mantle. Valves densely striated (
<emphasis id="7A9EEAE6C510FA72FB5EFF3CFDC54FD1" box="[560,570,196,217]" italics="true" pageId="15" pageNumber="168">e</emphasis>
.
<emphasis id="7A9EEAE6C510FA72FB2FFF3CFDB24FD1" box="[577,589,196,217]" italics="true" pageId="15" pageNumber="168">g</emphasis>
.,
<figureCitation id="D0D12A71C510FA72FB30FF3CFD534FD1" box="[606,684,196,217]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="15" pageNumber="168">Figs 9A</figureCitation>
,
<figureCitation id="D0D12A71C510FA72FBD8FF3CFD1E4FD1" box="[694,737,196,217]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="15" pageNumber="168">10A</figureCitation>
,
<figureCitation id="D0D12A71C510FA72FB85FF3CFCEA4FD1" box="[747,789,196,217]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">11A</figureCitation>
,
<figureCitation id="D0D12A71C510FA72FA71FF3CFCB54FD1" box="[799,842,196,217]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="15" pageNumber="168">12A</figureCitation>
), 14.0–17.5 striae in 10 μm near the center of ventral part of the valve (
<figureCitation id="D0D12A71C510FA72F993FF10FEAC4FF5" box="[253,339,232,253]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="15" pageNumber="168">Fig. 12C</figureCitation>
), up to 23 striae in 10 μm at the wave crests due to the inserted striae (
<figureCitation id="D0D12A71C510FA72FA85FF10FBBF4FF5" box="[1003,1088,232,253]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">Fig. 11G</figureCitation>
,
<figureCitation id="D0D12A71C510FA72FD24FF10FB8A4FF5" box="[1098,1141,232,253]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="15" pageNumber="168">12D</figureCitation>
), and 20–23 striae in 10 μm near the apices (
<figureCitation id="D0D12A71C510FA72F849FEF4FE864E29" box="[295,377,268,289]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">Fig. 11F</figureCitation>
). External small ridges in between striae irregularly spaced, giving the valve surface appearance of a “rough cloth” (
<figureCitation id="D0D12A71C510FA72F9AAFEC8FEEF4E4D" box="[196,272,304,325]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="15" pageNumber="168">Figs 9B</figureCitation>
,
<figureCitation id="D0D12A71C510FA72F874FEC8FEBA4E4D" box="[282,325,304,325]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="15" pageNumber="168">10G</figureCitation>
,
<figureCitation id="D0D12A71C510FA72F823FEC8FE6B4E4D" box="[333,404,304,325]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">11A, G</figureCitation>
). On the mantle, slightly below the valve edges, a thin irregular siliceous rim-like structure present (
<figureCitation id="D0D12A71C510FA72FC58FEC8FF1B4E61" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">Figs 11C–E, H, I</figureCitation>
). Externally areolae open, small and embedded in between the ridges (
<figureCitation id="D0D12A71C510FA72FA12FEACFC2C4E61" box="[892,979,340,361]" captionStart="FIGURE 11" captionStartId="16.[136,229,1948,1969]" captionTargetBox="[176,1411,315,1922]" captionTargetId="figure-103@16.[176,1411,314,1922]" captionTargetPageId="16" captionText="FIGURE 11. Eunotia multirimoportulata, sp. nov., external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G)." figureDoi="http://doi.org/10.5281/zenodo.13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="15" pageNumber="168">Fig. 11G</figureCitation>
), internally areolae also unoccluded, well rounded and large (
<figureCitation id="D0D12A71C510FA72F84EFE80FE904E85" box="[288,367,376,397]" captionStart="FIGURE 12" captionStartId="17.[136,229,1844,1865]" captionTargetBox="[170,1417,190,1819]" captionTargetId="figure-14@17.[170,1417,190,1819]" captionTargetPageId="17" captionText="FIGURE 12. Eunotia multirimoportulata, sp. nov., internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J)." figureDoi="http://doi.org/10.5281/zenodo.13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="15" pageNumber="168">Fig. 12J</figureCitation>
),
<quantity id="8F129B11C510FA72F8EEFE80FE2D4E85" box="[384,466,376,397]" metricMagnitude="-1" metricUnit="m" metricValue="5.715" metricValueMax="6.35" metricValueMin="5.08" pageId="15" pageNumber="168" unit="in" value="22.5" valueMax="25.0" valueMin="20.0">20–25 in</quantity>
10 μm.
</paragraph>
</subSubSection>
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<paragraph id="485536F4C511FA73F9E6F8F2FD59486F" blockId="14.[136,1451,1802,1895]" pageId="14" pageNumber="167">
<emphasis id="7A9EEAE6C511FA73F9E6F8F2FF014817" bold="true" box="[136,254,1802,1823]" pageId="14" pageNumber="167">FIGURE 9.</emphasis>
<taxonomicName id="8FEA4D77C511FA73F86AF8F2FDF14817" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[260,526,1802,1823]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="14" pageNumber="167" phylum="Bacillariophyta" rank="species" species="multirimoportulata" status="sp. nov.">
<emphasis id="7A9EEAE6C511FA73F86AF8F2FDF14817" box="[260,526,1802,1823]" italics="true" pageId="14" pageNumber="167">Eunotia multirimoportulata</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="61AD579DC511FA73FB75F8F2FD9A4817" box="[539,613,1802,1823]" pageId="14" pageNumber="167" rank="species">
<emphasis id="7A9EEAE6C511FA73FB75F8F2FDCF4817" box="[539,560,1802,1823]" italics="true" pageId="14" pageNumber="167">sp</emphasis>
.
<emphasis id="7A9EEAE6C511FA73FB52F8F2FDA04817" box="[572,607,1802,1823]" italics="true" pageId="14" pageNumber="167">nov</emphasis>
.
</taxonomicNameLabel>
Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm.
</paragraph>
</caption>
<caption id="1C95667CC510FA72F9E6F8C3FC0A48E8" ID-DOI="http://doi.org/10.5281/zenodo.13675675" ID-Zenodo-Dep="13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="15" pageNumber="168" startId="15.[136,229,1851,1872]" targetBox="[170,1417,423,1818]" targetPageId="15" targetType="figure">
<paragraph id="485536F4C510FA72F9E6F8C3FC0A48E8" blockId="15.[136,1452,1851,2016]" pageId="15" pageNumber="168">
<emphasis id="7A9EEAE6C510FA72F9E6F8C3FEF64858" bold="true" box="[136,265,1851,1872]" pageId="15" pageNumber="168">FIGURE 10.</emphasis>
<taxonomicName id="8FEA4D77C510FA72F861F8C3FDE64858" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[271,537,1851,1872]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="15" pageNumber="168" phylum="Bacillariophyta" rank="species" species="multirimoportulata" status="sp. nov.">
<emphasis id="7A9EEAE6C510FA72F861F8C3FDE64858" box="[271,537,1851,1872]" italics="true" pageId="15" pageNumber="168">Eunotia multirimoportulata</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="61AD579DC510FA72FB4AF8C3FD914858" box="[548,622,1851,1872]" pageId="15" pageNumber="168" rank="species">
<emphasis id="7A9EEAE6C510FA72FB4AF8C3FDC64858" box="[548,569,1851,1872]" italics="true" pageId="15" pageNumber="168">sp</emphasis>
.
<emphasis id="7A9EEAE6C510FA72FB2BF8C3FD974858" box="[581,616,1851,1872]" italics="true" pageId="15" pageNumber="168">nov</emphasis>
.
</taxonomicNameLabel>
Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm.
</paragraph>
</caption>
<subSubSection id="00F0657FC50FFA6DF9E6FF58FAF54E29" pageId="16" pageNumber="169" type="materials_examined">
<paragraph id="485536F4C50FFA6DF9E6FF58FAF54E29" blockId="16.[136,1452,160,289]" pageId="16" pageNumber="169">
<emphasis id="7A9EEAE6C50FFA6DF9E6FF58FF454FBD" bold="true" box="[136,186,160,181]" pageId="16" pageNumber="169">Type</emphasis>
:—
<collectingCountry id="30FD7664C50FFA6DF9B8FF58FE944FBD" box="[214,363,160,181]" name="Venezuela" pageId="16" pageNumber="169">VENEZUELA</collectingCountry>
.
<collectingRegion id="8A2EF816C50FFA6DF818FF58FE044FBD" box="[374,507,160,181]" country="Venezuela" name="Bolivar" pageId="16" pageNumber="169">Bolívar State</collectingRegion>
: Guyana Highlands, Chimantá Massif, Churí-tepui, small pool close to the entrance of Charles Brewer Cave,
<geoCoordinate id="2DDE5033C50FFA6DF822FF3CFE354FD1" box="[332,458,196,217]" degrees="5" direction="north" minutes="14.952" orientation="latitude" pageId="16" pageNumber="169" precision="1" value="5.2492">5º 14.952’ N</geoCoordinate>
,
<geoCoordinate id="2DDE5033C50FFA6DF8B9FF3CFDA64FD1" box="[471,601,196,217]" degrees="62" direction="west" minutes="1.588" orientation="longitude" pageId="16" pageNumber="169" precision="1" value="-62.026466">62º 1.588’ W</geoCoordinate>
,
<quantity id="8F129B11C50FFA6DFB0BFF3CFD4F4FD1" box="[613,688,196,217]" metricMagnitude="3" metricUnit="m" metricValue="2.2" pageId="16" pageNumber="169" unit="m" value="2200.0">2200 m</quantity>
a.s.l.,
<emphasis id="7A9EEAE6C50FFA6DFB9CFF3CFD024FD1" box="[754,765,196,217]" italics="true" pageId="16" pageNumber="169">
<collectionCode id="2EFBAE31C50FFA6DFB9CFF3CFD024FD1" box="[754,765,196,217]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="16" pageNumber="169" type="Herbarium">J</collectionCode>
</emphasis>
.
<emphasis id="7A9EEAE6C50FFA6DFA65FF3CFC664FD1" box="[779,921,196,217]" italics="true" pageId="16" pageNumber="169">Kaštovský 508</emphasis>
,
<emphasis id="7A9EEAE6C50FFA6DFAC9FF3CFBB14FD1" box="[935,1102,196,217]" italics="true" pageId="16" pageNumber="169">
<date id="3C541034C50FFA6DFAC9FF3CFBB14FD1" box="[935,1102,196,217]" pageId="16" pageNumber="169" value="2012-01-20">20 January 2012</date>
</emphasis>
(
<typeStatus id="97518856C50FFA6DFD32FF3CFB4A4FD1" box="[1116,1205,196,217]" pageId="16" pageNumber="169" type="holotype">holotype</typeStatus>
:
<collectionCode id="2EFBAE31C50FFA6DFDD1FF3CFAFB4FD1" box="[1215,1284,196,217]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="16" pageNumber="169">ANSP</collectionCode>
!, slide
<collectionCode id="2EFBAE31C50FFA6DFC26FF3CFA954FD1" box="[1352,1386,196,217]" country="0" name="Goucher College" pageId="16" pageNumber="169">GC</collectionCode>
26824, specimen
<quantity id="8F129B11C50FFA6DF870FF10FE984FF5" box="[286,359,232,253]" metricMagnitude="-3" metricUnit="m" metricValue="9.1" pageId="16" pageNumber="169" unit="mm" value="9.1">9.1 mm</quantity>
south by
<quantity id="8F129B11C50FFA6DF8ABFF10FDF14FF5" box="[453,526,232,253]" metricMagnitude="-3" metricUnit="m" metricValue="6.7" pageId="16" pageNumber="169" unit="mm" value="6.7">6.7 mm</quantity>
east from the benchmark cross on the slide, here illustrated as
<figureCitation id="D0D12A71C50FFA6DFD07FF10FB4A4FF5" box="[1129,1205,232,253]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="16" pageNumber="169">Fig. 9A</figureCitation>
.
<typeStatus id="97518856C50FFA6DFDD0FF10FAF74FF5" box="[1214,1288,232,253]" pageId="16" pageNumber="169" type="isotype">Isotype</typeStatus>
:
<collectionCode id="2EFBAE31C50FFA6DFC7FFF10FAAC4FF5" box="[1297,1363,232,253]" country="Czech Republic" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15554" lsid="urn:lsid:biocol.org:col:15554" name="University of South Bohemia" pageId="16" pageNumber="169" type="Herbarium">CBFS</collectionCode>
!, slide A-054, specimen
<quantity id="8F129B11C50FFA6DF820FEF4FE5C4E29" box="[334,419,268,289]" metricMagnitude="-2" metricUnit="m" metricValue="1.43" pageId="16" pageNumber="169" unit="mm" value="14.3">14.3 mm</quantity>
south by
<quantity id="8F129B11C50FFA6DFB6FFEF4FDA94E29" box="[513,598,268,289]" metricMagnitude="-2" metricUnit="m" metricValue="1.03" pageId="16" pageNumber="169" unit="mm" value="10.3">10.3 mm</quantity>
east from the benchmark cross on the slide, here illustrated as
<figureCitation id="D0D12A71C50FFA6DFDDCFEF4FB004E29" box="[1202,1279,268,289]" captionStart="FIGURE 9" captionStartId="14.[136,229,1802,1823]" captionTargetBox="[170,1417,190,1777]" captionTargetId="figure-18@14.[170,1417,190,1777]" captionTargetPageId="14" captionText="FIGURE 9. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 1), including girdle views. Fig. 9A represents the holotype specimen; Fig. 9D the isotype specimen. “=” indicate the same specimen in different foci. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675671" httpUri="https://zenodo.org/record/13675671/files/figure.png" pageId="16" pageNumber="169">Fig. 9D</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="1C95667CC50FFA6DF9E6F864FC924715" ID-DOI="http://doi.org/10.5281/zenodo.13675677" ID-Zenodo-Dep="13675677" httpUri="https://zenodo.org/record/13675677/files/figure.png" pageId="16" pageNumber="169" startId="16.[136,229,1948,1969]" targetBox="[176,1411,315,1922]" targetPageId="16" targetType="figure">
<paragraph id="485536F4C50FFA6DF9E6F864FC924715" blockId="16.[136,1452,1948,2077]" pageId="16" pageNumber="169">
<emphasis id="7A9EEAE6C50FFA6DF9E6F864FEF448B9" bold="true" box="[136,267,1948,1969]" pageId="16" pageNumber="169">FIGURE 11.</emphasis>
<taxonomicName id="8FEA4D77C50FFA6DF87DF864FDDF48B9" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[275,544,1948,1969]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="16" pageNumber="169" phylum="Bacillariophyta" rank="species" species="multirimoportulata" status="sp. nov.">
<emphasis id="7A9EEAE6C50FFA6DF87DF864FDDF48B9" box="[275,544,1948,1969]" italics="true" pageId="16" pageNumber="169">Eunotia multirimoportulata</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="61AD579DC50FFA6DFB40F864FD8548B9" box="[558,634,1948,1969]" pageId="16" pageNumber="169" rank="species">
<emphasis id="7A9EEAE6C50FFA6DFB40F864FDBC48B9" box="[558,579,1948,1969]" italics="true" pageId="16" pageNumber="169">sp</emphasis>
.
<emphasis id="7A9EEAE6C50FFA6DFB3CF864FD8A48B9" box="[594,629,1948,1969]" italics="true" pageId="16" pageNumber="169">nov</emphasis>
.
</taxonomicNameLabel>
, external views in SEM. valve overviews (A, B), details of the apices (C–F) with multiple openings to rimoportulae (C–E, H, I, white arrows), detail of the uneven valve surface (F, G) with external areolae openings (G), and the detail of the external raphe endings on the valve mantle together with several girdle bands (H, I). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A, B, H, I) or 1 μm (C–G).
</paragraph>
</caption>
<caption id="1C95667CC50EFA6CF9E6F8CCFE0148BD" ID-DOI="http://doi.org/10.5281/zenodo.13675683" ID-Zenodo-Dep="13675683" httpUri="https://zenodo.org/record/13675683/files/figure.png" pageId="17" pageNumber="170" startId="17.[136,229,1844,1865]" targetBox="[170,1417,190,1819]" targetPageId="17" targetType="figure">
<paragraph id="485536F4C50EFA6CF9E6F8CCFE0148BD" blockId="17.[136,1452,1844,1973]" pageId="17" pageNumber="170">
<emphasis id="7A9EEAE6C50EFA6CF9E6F8CCFEF44841" bold="true" box="[136,267,1844,1865]" pageId="17" pageNumber="170">FIGURE 12.</emphasis>
<taxonomicName id="8FEA4D77C50EFA6CF87CF8CCFDE24841" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[274,541,1844,1865]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="17" pageNumber="170" phylum="Bacillariophyta" rank="species" species="multirimoportulata" status="sp. nov.">
<emphasis id="7A9EEAE6C50EFA6CF87CF8CCFDE24841" box="[274,541,1844,1865]" italics="true" pageId="17" pageNumber="170">Eunotia multirimoportulata</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="61AD579DC50EFA6CFB45F8CCFD8A4841" box="[555,629,1844,1865]" pageId="17" pageNumber="170" rank="species">
<emphasis id="7A9EEAE6C50EFA6CFB45F8CCFDBF4841" box="[555,576,1844,1865]" italics="true" pageId="17" pageNumber="170">sp</emphasis>
.
<emphasis id="7A9EEAE6C50EFA6CFB23F8CCFD8F4841" box="[589,624,1844,1865]" italics="true" pageId="17" pageNumber="170">nov</emphasis>
.
</taxonomicNameLabel>
, internal views in SEM. valve overview (A), close-ups of the striae arrangement on the ventral (C) and dorsal part of the valve (D), close-ups of apices (B, E–I) with a various number and layout of rimoportulae (2 in B; 3 in G; 4 in E, F, I; and 5 in H), and a detail of internal openings of areolae (J). “=” indicate different parts or views of the same specimen. Scale bars = 10 μm (A) or 1 μm (B–J).
</paragraph>
</caption>
<subSubSection id="00F0657FC50EFA6CF9E6F81DFAD2472A" pageId="17" pageNumber="170" type="etymology">
<paragraph id="485536F4C50EFA6CF9E6F81DFAD2472A" blockId="17.[136,1452,2021,2082]" pageId="17" pageNumber="170">
<emphasis id="7A9EEAE6C50EFA6CF9E6F81DFEF648F6" bold="true" box="[136,265,2021,2046]" pageId="17" pageNumber="170">Etymology</emphasis>
:—From the Latin words
<emphasis id="7A9EEAE6C50EFA6CFB4DF81DFDA248F6" box="[547,605,2021,2046]" italics="true" pageId="17" pageNumber="170">multi</emphasis>
(many) and
<emphasis id="7A9EEAE6C50EFA6CFB86F81DFC9048F6" box="[744,879,2021,2046]" italics="true" pageId="17" pageNumber="170">rimoportula</emphasis>
(labiate process), referring to the prominent feature of having a noticeably larger number of rimoportulae compared to other species within the genus
<taxonomicName id="8FEA4D77C50EFA6CFDA0F7F1FAD8472A" authorityName="Ehrenberg" authorityYear="1837" box="[1230,1319,2057,2082]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="17" pageNumber="170" phylum="Bacillariophyta" rank="genus">
<emphasis id="7A9EEAE6C50EFA6CFDA0F7F1FAD8472A" box="[1230,1319,2057,2082]" italics="true" pageId="17" pageNumber="170">Eunotia</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="00F0657FC50DFA6FF9D3FF58FF464C49" pageId="18" pageNumber="171" type="biology_ecology">
<paragraph id="485536F4C50DFA6FF9D3FF58FB984FD5" blockId="18.[136,1452,160,833]" pageId="18" pageNumber="171">
<emphasis id="7A9EEAE6C50DFA6FF9D3FF58FE1B4FB1" bold="true" box="[189,484,160,185]" pageId="18" pageNumber="171">Ecology and distribution</emphasis>
:—This taxon was observed at a single site as an epiphyte on a red alga
<taxonomicName id="8FEA4D77C50DFA6FFD92FF58FA544FB1" box="[1276,1451,160,185]" class="Florideophyceae" family="Acrochaetiaceae" genus="Audouinella" kingdom="Plantae" order="Nemaliales" pageId="18" pageNumber="171" phylum="Rhodophyta" rank="species" species="undetermined">
<emphasis id="7A9EEAE6C50DFA6FFD92FF58FA7A4FB1" box="[1276,1413,160,185]" italics="true" pageId="18" pageNumber="171">Audouinella</emphasis>
sp.
</taxonomicName>
growing on the bottom of a small pool close to the entrance to the Charles Brewer Cave.
</paragraph>
<paragraph id="485536F4C50DFA6FF9D3FF10FA8D4E99" blockId="18.[136,1452,160,833]" pageId="18" pageNumber="171">
<emphasis id="7A9EEAE6C50DFA6FF9D3FF10FDE04E09" bold="true" box="[189,543,232,257]" pageId="18" pageNumber="171">Comparison with similar taxa</emphasis>
:—
<taxonomicName id="8FEA4D77C50DFA6FFB2DFF10FC864E09" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[579,889,232,257]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFB2DFF10FC864E09" box="[579,889,232,257]" italics="true" pageId="18" pageNumber="171">Eunotia multirimoportulata</emphasis>
</taxonomicName>
is extremely similar to the here described taxon
<taxonomicName id="8FEA4D77C50DFA6FFCFDFF10FF044E2D" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="churiensis">
<emphasis id="7A9EEAE6C50DFA6FFCFDFF10FA5B4E09" box="[1427,1444,232,257]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FF9E6FEF4FF044E2D" box="[136,251,268,293]" italics="true" pageId="18" pageNumber="171">churiensis</emphasis>
</taxonomicName>
, although the moderate curvature of the valve crests (correlated with a smaller crest height,
<figureCitation id="D0D12A71C50DFA6FFD93FEF4FA9C4E2D" box="[1277,1379,268,293]" captionStart="FIGURE 10" captionStartId="15.[136,229,1851,1872]" captionTargetBox="[170,1417,423,1818]" captionTargetId="figure-174@15.[170,1417,422,1826]" captionTargetPageId="15" captionText="FIGURE 10. Eunotia multirimoportulata, sp. nov. Size diminution series and the variation of the valve shapes of the population from the type locality in LM (part 2). Thick white lines in Fig. 10A draw attention to the typical similar shape of the top of the crests and the area in between the crests (compare to Fig. 6A). The thin white lines in Fig. 10A illustrate the method used for measuring crest heights (a distance from a line drawn between the centers of two surroundings saddle parts to the top of the crest). “=” indicate the same specimen in different foci. Well visible multiple rimoportulae are marked with white arrows. Scale bars = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13675675" httpUri="https://zenodo.org/record/13675675/files/figure.png" pageId="18" pageNumber="171">Fig. 10A</figureCitation>
, Table 4B), slightly higher striation density at the apices (Table 4A), higher number of rimoportulae (Table 4B), and different ecology (see above) clearly separate
<taxonomicName id="8FEA4D77C50DFA6FFB4BFEACFCE34E65" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[549,796,340,365]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFB4BFEACFDC94E65" box="[549,566,340,365]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFB2BFEACFCE34E65" box="[581,796,340,365]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
from
<taxonomicName id="8FEA4D77C50DFA6FFA0EFEACFC0D4E65" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[864,1010,340,365]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="churiensis">
<emphasis id="7A9EEAE6C50DFA6FFA0EFEACFC8E4E65" box="[864,881,340,365]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFA11FEACFC0D4E65" box="[895,1010,340,365]" italics="true" pageId="18" pageNumber="171">churiensis</emphasis>
</taxonomicName>
. In addition,
<taxonomicName id="8FEA4D77C50DFA6FFDE7FEACFA804E65" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[1161,1407,340,365]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFDE7FEACFB654E65" box="[1161,1178,340,365]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFDC6FEACFA804E65" box="[1192,1407,340,365]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
has slightly longer and narrower valves compared to
<taxonomicName id="8FEA4D77C50DFA6FFBC0FE80FCBF4E99" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[686,832,376,401]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="churiensis">
<emphasis id="7A9EEAE6C50DFA6FFBC0FE80FD404E99" box="[686,703,376,401]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFBA3FE80FCBF4E99" box="[717,832,376,401]" italics="true" pageId="18" pageNumber="171">churiensis</emphasis>
</taxonomicName>
(therefore larger length-to-width ratio, Table 4A).
</paragraph>
<paragraph id="485536F4C50DFA6FF9D3FE64FE5C4DB9" blockId="18.[136,1452,160,833]" pageId="18" pageNumber="171">
<taxonomicName id="8FEA4D77C50DFA6FF9D3FE64FE0B4EBD" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[189,500,412,437]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FF9D3FE64FE0B4EBD" box="[189,500,412,437]" italics="true" pageId="18" pageNumber="171">Eunotia multirimoportulata</emphasis>
</taxonomicName>
is also very similar to
<taxonomicName id="8FEA4D77C50DFA6FFB9AFE64FC7F4EBD" authorityName="Ehrenberg" authorityYear="1838" box="[756,896,412,437]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="tetraodon">
<emphasis id="7A9EEAE6C50DFA6FFB9AFE64FCFA4EBD" box="[756,773,412,437]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFA7DFE64FC7F4EBD" box="[787,896,412,437]" italics="true" pageId="18" pageNumber="171">tetraodon</emphasis>
</taxonomicName>
.
<taxonomicName id="8FEA4D77C50DFA6FFAE0FE64FB3A4EBD" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[910,1221,412,437]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFAE0FE64FB3A4EBD" box="[910,1221,412,437]" italics="true" pageId="18" pageNumber="171">Eunotia multirimoportulata</emphasis>
</taxonomicName>
, however, possesses more than two times larger valves, with dimensions completely outside of the reported size range for
<taxonomicName id="8FEA4D77C50DFA6FFC73FE38FA544ED1" authorityName="Ehrenberg" authorityYear="1838" box="[1309,1451,448,473]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="tetraodon">
<emphasis id="7A9EEAE6C50DFA6FFC73FE38FAD14ED1" box="[1309,1326,448,473]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFC50FE38FA544ED1" box="[1342,1451,448,473]" italics="true" pageId="18" pageNumber="171">tetraodon</emphasis>
</taxonomicName>
(Table 4A). Furthermore, valves of
<taxonomicName id="8FEA4D77C50DFA6FFB4AFE1CFCE24EF5" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[548,797,484,509]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFB4AFE1CFDCA4EF5" box="[548,565,484,509]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFB28FE1CFCE24EF5" box="[582,797,484,509]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
have a denser striation compared to
<taxonomicName id="8FEA4D77C50DFA6FFDA2FE1CFAA44EF5" authorityName="Ehrenberg" authorityYear="1838" box="[1228,1371,484,509]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="tetraodon">
<emphasis id="7A9EEAE6C50DFA6FFDA2FE1CFB224EF5" box="[1228,1245,484,509]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFD80FE1CFAA44EF5" box="[1262,1371,484,509]" italics="true" pageId="18" pageNumber="171">tetraodon</emphasis>
</taxonomicName>
(Table 4A). Based on our observations on the number of rimoportulae in
<taxonomicName id="8FEA4D77C50DFA6FFA04FDF0FC094D29" authorityName="Ehrenberg" authorityYear="1838" box="[874,1014,520,545]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="tetraodon">
<emphasis id="7A9EEAE6C50DFA6FFA04FDF0FC844D29" box="[874,891,520,545]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFAE7FDF0FC094D29" box="[905,1014,520,545]" italics="true" pageId="18" pageNumber="171">tetraodon</emphasis>
</taxonomicName>
(see under
<taxonomicName id="8FEA4D77C50DFA6FFD19FDF0FAF74D29" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[1143,1288,520,545]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="churiensis">
<emphasis id="7A9EEAE6C50DFA6FFD19FDF0FB774D29" box="[1143,1160,520,545]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFDFBFDF0FAF74D29" box="[1173,1288,520,545]" italics="true" pageId="18" pageNumber="171">churiensis</emphasis>
</taxonomicName>
),
<taxonomicName id="8FEA4D77C50DFA6FFC4EFDF0FA544D29" authorityName="Ehrenberg" authorityYear="1838" box="[1312,1451,520,545]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="tetraodon">
<emphasis id="7A9EEAE6C50DFA6FFC4EFDF0FACE4D29" box="[1312,1329,520,545]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFC50FDF0FA544D29" box="[1342,1451,520,545]" italics="true" pageId="18" pageNumber="171">tetraodon</emphasis>
</taxonomicName>
possesses zero to two rimoportulae at one apex and none on the other, unlike
<taxonomicName id="8FEA4D77C50DFA6FFA96FDD4FB104D4D" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[1016,1263,556,581]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFA96FDD4FBF64D4D" box="[1016,1033,556,581]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFD76FDD4FB104D4D" box="[1048,1263,556,581]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
with two to five rimoportulae at each apex and at least five rimoportulae present on each valve. Additionally, the valve face of
<taxonomicName id="8FEA4D77C50DFA6FFCFDFDA8FF0A4D85" authorityName="Ehrenberg" authorityYear="1838" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="tetraodon">
<emphasis id="7A9EEAE6C50DFA6FFCFDFDA8FA5B4D61" box="[1427,1444,592,617]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FF9E6FD8CFF0A4D85" box="[136,245,628,653]" italics="true" pageId="18" pageNumber="171">tetraodon</emphasis>
</taxonomicName>
is smooth (
<bibRefCitation id="2C7B4B05C50DFA6FF819FD8CFD5A4D85" author="Lange-Bertalot, H. &amp; Bak, M. &amp; Witkowski, A." box="[375,677,628,653]" pageId="18" pageNumber="171" pagination="1 - 747" refId="ref12777" refString="Lange-Bertalot, H., Bak, M. &amp; Witkowski, A. (2011) Diatoms of the European inland water and comparable habitats: Eunotia and some related genera. Diatoms of Europe 6: 1 - 747." type="journal article" year="2011">
Lange-Bertalot
<emphasis id="7A9EEAE6C50DFA6FFB44FD8CFDA34D85" box="[554,604,628,653]" italics="true" pageId="18" pageNumber="171">et al</emphasis>
. 2011
</bibRefCitation>
: plate 103, figs 3, 4) without any hint of ridges as observed in valves of
<taxonomicName id="8FEA4D77C50DFA6FF9C8FD60FE624DB9" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[166,413,664,689]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FF9C8FD60FF484DB9" box="[166,183,664,689]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FF9A8FD60FE624DB9" box="[198,413,664,689]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="485536F4C50DFA6FF9D3FD44FF464C49" blockId="18.[136,1452,160,833]" pageId="18" pageNumber="171">
Similarly to
<taxonomicName id="8FEA4D77C50DFA6FF83BFD44FE124DDD" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[341,493,700,725]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="churiensis">
<emphasis id="7A9EEAE6C50DFA6FF83BFD44FE994DDD" box="[341,358,700,725]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FF814FD44FE124DDD" box="[378,493,700,725]" italics="true" pageId="18" pageNumber="171">churiensis</emphasis>
</taxonomicName>
,
<taxonomicName id="8FEA4D77C50DFA6FFB6FFD44FD024DDD" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[513,765,700,725]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFB6FFD44FDED4DDD" box="[513,530,700,725]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFB48FD44FD024DDD" box="[550,765,700,725]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
should be compared with
<taxonomicName id="8FEA4D77C50DFA6FFD2CFD44FAF94DDD" box="[1090,1286,700,725]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="semicircularis">
<emphasis id="7A9EEAE6C50DFA6FFD2CFD44FBAC4DDD" box="[1090,1107,700,725]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFD09FD44FAF94DDD" box="[1127,1286,700,725]" italics="true" pageId="18" pageNumber="171">semicircularis</emphasis>
</taxonomicName>
. However,
<taxonomicName id="8FEA4D77C50DFA6FFCFDFD44FED84DF1" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="semicircularis">
<emphasis id="7A9EEAE6C50DFA6FFCFDFD44FA5B4DDD" box="[1427,1444,700,725]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FF9E6FD18FED84DF1" box="[136,295,736,761]" italics="true" pageId="18" pageNumber="171">semicircularis</emphasis>
</taxonomicName>
can be easily recognized from
<taxonomicName id="8FEA4D77C50DFA6FFBE5FD18FC7D4DF1" authorityName="Kaštovský &amp; Veselá &amp; Bohunická &amp; Fučíková &amp; Štenclová &amp; Brewer-Carías" authorityYear="2016" box="[651,898,736,761]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Eunotiales" pageId="18" pageNumber="171" phylum="Bacillariophyta" rank="species" species="multirimoportulata">
<emphasis id="7A9EEAE6C50DFA6FFBE5FD18FD634DF1" box="[651,668,736,761]" italics="true" pageId="18" pageNumber="171">E</emphasis>
.
<emphasis id="7A9EEAE6C50DFA6FFBC5FD18FC7D4DF1" box="[683,898,736,761]" italics="true" pageId="18" pageNumber="171">multirimoportulata</emphasis>
</taxonomicName>
based on its smaller valve width, valves without any rimoportulae and distribution only in cold regions of Northern Hemisphere (Scandinavia and the Arctic, Table 4B).
</paragraph>
</subSubSection>
</treatment>
</document>
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