242 lines
46 KiB
XML
242 lines
46 KiB
XML
<document id="617B0B55CE6615B8F01659EAB71A9658" ID-CLB-Dataset="4468" ID-DOI="10.11646/phytotaxa.489.2.3" ID-GBIF-Dataset="b49af0b0-2096-46b2-83f2-d83682585f31" ID-ISSN="1179-3163" ID-Zenodo-Dep="5756790" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630385619550" checkinUser="marcus" docAuthor="Lai, Giuseppina G., Ector, Luc, Padedda, Bachisio M. & Wetzel, Carlos E." docDate="2021" docId="039587DDBF62FF8EFF2DF8B30790DCA5" docLanguage="en" docName="phytotaxa.489.2.3.pdf" docOrigin="Phytotaxa 489 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.489.2.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Planothidium marganaiensis G. G. Lai, Ector & C. E. Wetzel 2021, sp. nov." docType="treatment" docVersion="7" lastPageNumber="146" masterDocId="FFACFFA5BF61FF88FFA5FFBF0741DD11" masterDocTitle="Planothidium marganaiensis sp. nov. (Bacillariophyta), a new cavum-bearing species from a karst spring in south-western Sardinia (Italy)" masterLastPageNumber="154" masterPageNumber="140" pageNumber="143" updateTime="1699259140712" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="3B56F61BC798439378D7EC7EAFC8C2A0">Planothidium marganaiensis sp. nov. (Bacillariophyta), a new cavum-bearing species from a karst spring in south-western Sardinia (Italy)</mods:title>
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<mods:roleTerm id="43AEAA10DB2E7A4A2B9E486FD23E1D05">Author</mods:roleTerm>
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<mods:namePart id="948E9F27E0FE97867E37251406F4281E">Lai, Giuseppina G.</mods:namePart>
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<mods:affiliation id="16ED9D901FDF95534BC4DF0C407544F9">University of Sassari, Department of Architecture, Design and Urban Planning (DADU), via Piandanna 4, I- 07100 Sassari, Italy & Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation (ERIN) Department, 41 rue du Brill, L- 4422 Belvaux, Luxembourg & laigg @ uniss. it; https: // orcid. org / 0000 - 0002 - 8506 - 0795</mods:affiliation>
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<mods:nameIdentifier id="7AC5B90C0A4C3009A8A25CD4E8184E09" type="email">laigg@uniss.it</mods:nameIdentifier>
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<mods:namePart id="22E8A478C2B27AEED449350E07E511DF">Ector, Luc</mods:namePart>
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<mods:nameIdentifier id="F1B06D9B290CB908611FCB333E981180" type="ORCID">0000-0002-4573-9445</mods:nameIdentifier>
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<mods:affiliation id="921D32A64430E54DB964176631C9BE7A">Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation (ERIN) Department, 41 rue du Brill, L- 4422 Belvaux, Luxembourg & luc. ector @ list. lu; https: // orcid. org / 0000 - 0002 - 4573 - 9445</mods:affiliation>
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<mods:nameIdentifier id="A89AC62C7AEBA5635CD686CFEA103DD9" type="email">luc.ector@list.lu</mods:nameIdentifier>
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<mods:namePart id="BE22ED149B1BF96856D026A55F88D50E">Padedda, Bachisio M.</mods:namePart>
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<mods:nameIdentifier id="E753BF78B0714F77F4AF6704251389FE" type="ORCID">0000-0002-0988-5613</mods:nameIdentifier>
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<mods:affiliation id="B93FF02500877F9ABC3B6D39197BDE1A">University of Sassari, Department of Architecture, Design and Urban Planning (DADU), via Piandanna 4, I- 07100 Sassari, Italy & bmpadedda @ uniss. it; https: // orcid. org / 0000 - 0002 - 0988 - 5613</mods:affiliation>
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<mods:nameIdentifier id="8D436995D4156824BD19DDC0517903F2" type="email">bmpadedda@uniss.it</mods:nameIdentifier>
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<mods:namePart id="AB199076A82E2076F48AA1FAFD26E321">Wetzel, Carlos E.</mods:namePart>
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<mods:affiliation id="B0F80FB4B2288659D6B947B59F58F7EE">Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation (ERIN) Department, 41 rue du Brill, L- 4422 Belvaux, Luxembourg & carlos. wetzel @ list. lu; https: // orcid. org / 0000 - 0001 - 5330 - 0494</mods:affiliation>
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<mods:nameIdentifier id="9EF4916F0A81FA92901324433286448F" type="email">carlos.wetzel@list.lu</mods:nameIdentifier>
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<mods:title id="32B241A00CB290D76D49DF7627F82EA8">Phytotaxa</mods:title>
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<mods:date id="8F92704F5D3DBD932BF4FD4218A217F8">2021</mods:date>
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<mods:number id="5749FAA1A697E8C8839126C6397057FD">2021-03-04</mods:number>
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<mods:number id="FB7C0877E10BB33A43E953D9181A84EB">489</mods:number>
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<mods:url id="6BB0F134C82A81D03E2F91ECB7EFB8AA">http://dx.doi.org/10.11646/phytotaxa.489.2.3</mods:url>
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<treatment id="039587DDBF62FF8EFF2DF8B30790DCA5" ID-DOI="http://doi.org/10.5281/zenodo.5756934" ID-GBIF-Taxon="185417628" ID-Zenodo-Dep="5756934" LSID="urn:lsid:plazi:treatment:039587DDBF62FF8EFF2DF8B30790DCA5" httpUri="http://treatment.plazi.org/id/039587DDBF62FF8EFF2DF8B30790DCA5" lastPageId="6" lastPageNumber="146" pageId="3" pageNumber="143">
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<subSubSection id="C3266540BF62FF8CFF2DF8B303FDDC34" lastPageId="4" lastPageNumber="144" pageId="3" pageNumber="143" type="nomenclature">
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<paragraph id="8B8336CBBF62FF8BFF2DF8B3034DDA36" blockId="3.[136,1036,1804,1831]" box="[136,1036,1804,1831]" pageId="3" pageNumber="143">
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<heading id="D0CB81A7BF62FF8BFF2DF8B3034DDA36" box="[136,1036,1804,1831]" fontSize="11" level="2" pageId="3" pageNumber="143" reason="3">
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<taxonomicName id="4C3C4D48BF62FF8BFF2DF8B30466DA37" authority="G.G.Lai, Ector & C.E.Wetzel" authorityName="G. G. Lai, Ector & C. E. Wetzel" authorityYear="2021" box="[136,807,1804,1831]" class="Bacillariophyceae" family="Achnanthaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="143" phylum="Bacillariophyta" rank="species" species="marganaiensis" status="sp. nov.">
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<emphasis id="B948EAD9BF62FF8BFF2DF8B30699DA37" bold="true" box="[136,472,1804,1831]" italics="true" pageId="3" pageNumber="143">Planothidium marganaiensis</emphasis>
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G.G.Lai, Ector & C.E.Wetzel
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</taxonomicName>
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<emphasis id="B948EAD9BF62FF8BFC8BF8B204C2DA37" box="[814,899,1805,1830]" italics="true" pageId="3" pageNumber="143">
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<taxonomicNameLabel id="A27B57A2BF62FF8BFC8BF8B204C2DA37" box="[814,899,1805,1830]" pageId="3" pageNumber="143" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="13072A4EBF62FF8BFC34F8B30345DA36" box="[913,1028,1804,1831]" captionStart-0="FIGURES 2–57" captionStart-1="FIGURES 58–65" captionStartId-0="4.[136,243,1539,1561]" captionStartId-1="5.[136,243,1798,1820]" captionTargetBox-0="[151,1436,325,1513]" captionTargetBox-1="[238,1357,190,1768]" captionTargetId-0="figure-85@4.[151,1436,317,1514]" captionTargetId-1="figure-24@5.[228,1359,190,1773]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURES 2–57. LM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 2–28: Rapheless valve (SV) with cavum. Figs 29–32: Girdle views. Figs 33–57: Raphe valve (RV) with shortened striae in the central area." captionText-1="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi-0="http://doi.org/10.5281/zenodo.5756794" figureDoi-1="http://doi.org/10.5281/zenodo.5756796" httpUri-0="https://zenodo.org/record/5756794/files/figure.png" httpUri-1="https://zenodo.org/record/5756796/files/figure.png" pageId="3" pageNumber="143">Figs 2–65</figureCitation>
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)
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||
</heading>
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||
</paragraph>
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<paragraph id="8B8336CBBF62FF8CFF18F88F03FDDC34" blockId="3.[136,1452,1840,2083]" lastBlockId="4.[136,1452,158,293]" lastPageId="4" lastPageNumber="144" pageId="3" pageNumber="143">
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<emphasis id="B948EAD9BF62FF8BFF18F88F057EDA5B" bold="true" box="[189,575,1840,1866]" pageId="3" pageNumber="143">
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Light microscopy (
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<figureCitation id="13072A4EBF62FF8BFE38F88F0553DA5B" box="[413,530,1840,1866]" captionStart="FIGURES 2–57" captionStartId="4.[136,243,1539,1561]" captionTargetBox="[151,1436,325,1513]" captionTargetId="figure-85@4.[151,1436,317,1514]" captionTargetPageId="4" captionText="FIGURES 2–57. LM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 2–28: Rapheless valve (SV) with cavum. Figs 29–32: Girdle views. Figs 33–57: Raphe valve (RV) with shortened striae in the central area." figureDoi="http://doi.org/10.5281/zenodo.5756794" httpUri="https://zenodo.org/record/5756794/files/figure.png" pageId="3" pageNumber="143">Figs 2–57</figureCitation>
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):—
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</emphasis>
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Frustules in girdle view rectangular, mostly single or forming short chains (up to two cells), clearly bent in the middle (
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<figureCitation id="13072A4EBF62FF8BFDF5F8EB0595DA7F" box="[592,724,1876,1902]" captionStart="FIGURES 2–57" captionStartId="4.[136,243,1539,1561]" captionTargetBox="[151,1436,325,1513]" captionTargetId="figure-85@4.[151,1436,317,1514]" captionTargetPageId="4" captionText="FIGURES 2–57. LM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 2–28: Rapheless valve (SV) with cavum. Figs 29–32: Girdle views. Figs 33–57: Raphe valve (RV) with shortened striae in the central area." figureDoi="http://doi.org/10.5281/zenodo.5756794" httpUri="https://zenodo.org/record/5756794/files/figure.png" pageId="3" pageNumber="143">
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Figs 29
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<emphasis id="B948EAD9BF62FF8BFD03F8EB05F5DA7F" bold="true" box="[678,692,1876,1902]" pageId="3" pageNumber="143">–</emphasis>
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32
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</figureCitation>
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). Valves elliptical to weakly lanceolate with convex margins and subrostrate or slightly protracted apices (never capitate). Valve dimensions (n=59): length 5.0–12.3 µm, width 2.8–4.0 µm. Rapheless valve (
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<figureCitation id="13072A4EBF62FF8BFE27F82306B9DAA7" box="[386,504,1948,1974]" captionStart="FIGURES 2–57" captionStartId="4.[136,243,1539,1561]" captionTargetBox="[151,1436,325,1513]" captionTargetId="figure-85@4.[151,1436,317,1514]" captionTargetPageId="4" captionText="FIGURES 2–57. LM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 2–28: Rapheless valve (SV) with cavum. Figs 29–32: Girdle views. Figs 33–57: Raphe valve (RV) with shortened striae in the central area." figureDoi="http://doi.org/10.5281/zenodo.5756794" httpUri="https://zenodo.org/record/5756794/files/figure.png" pageId="3" pageNumber="143">Figs 2–28</figureCitation>
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): Axial area linear, narrow and straight, sometimes lanceolate and slightly expanded in the middle of the valve. Central area asymmetrical with a unilateral small horseshoe-shaped hyaline area presenting a cavum. On the opposite side, absence of shortened striae or presence of one to two slightly shortened striae. Striae weakly radiate throughout the entire valve,
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<quantity id="4CC49B2EBF62FF8BFDD1F7B70596D533" box="[628,727,2056,2082]" metricMagnitude="-1" metricUnit="m" metricValue="3.175" metricValueMax="3.556" metricValueMin="2.794" pageId="3" pageNumber="143" unit="in" value="12.5" valueMax="14.0" valueMin="11.0">11–14 in</quantity>
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10 µm, measured at the central part of the valve opposite to the unilateral expansion. Raphe valve (
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<figureCitation id="13072A4EBF65FF8CFDB7FF2105D6DDA8" box="[530,663,158,185]" captionStart="FIGURES 2–57" captionStartId="4.[136,243,1539,1561]" captionTargetBox="[151,1436,325,1513]" captionTargetId="figure-85@4.[151,1436,317,1514]" captionTargetPageId="4" captionText="FIGURES 2–57. LM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 2–28: Rapheless valve (SV) with cavum. Figs 29–32: Girdle views. Figs 33–57: Raphe valve (RV) with shortened striae in the central area." figureDoi="http://doi.org/10.5281/zenodo.5756794" httpUri="https://zenodo.org/record/5756794/files/figure.png" pageId="4" pageNumber="144">Figs 33–57</figureCitation>
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): Axial area linear and narrow, slightly widened near the middle of the valve. Central area transapically rectangular to rounded, bordered by one to three shortened striae on each side, usually more distant than the others. Raphe branches straight with expanded, drop-like proximal raphe endings. Terminal raphe fissures not discernible in LM. Striae radiate throughout the entire valve,
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<quantity id="4CC49B2EBF65FF8CFBA6FEB50324DC35" box="[1027,1125,266,292]" metricMagnitude="-1" metricUnit="m" metricValue="3.175" metricValueMax="3.556" metricValueMin="2.794" pageId="4" pageNumber="144" unit="in" value="12.5" valueMax="14.0" valueMin="11.0">11–14 in</quantity>
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10 µm.
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||
</paragraph>
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||
</subSubSection>
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||
<caption id="DF436643BF65FF8CFF2DF9BC0635DB71" ID-DOI="http://doi.org/10.5281/zenodo.5756794" ID-Zenodo-Dep="5756794" httpUri="https://zenodo.org/record/5756794/files/figure.png" pageId="4" pageNumber="144" startId="4.[136,243,1539,1561]" targetBox="[151,1436,325,1513]" targetPageId="4">
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<paragraph id="8B8336CBBF65FF8CFF2DF9BC0635DB71" blockId="4.[136,1452,1539,1633]" pageId="4" pageNumber="144">
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<emphasis id="B948EAD9BF65FF8CFF2DF9BC066FDB09" bold="true" box="[136,302,1539,1561]" pageId="4" pageNumber="144">FIGURES 2–57.</emphasis>
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LM.
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<taxonomicName id="4C3C4D48BF65FF8CFEC6F9BC04D7DB08" authority="G.G.Lai, Ector & C.E.Wetzel" authorityName="G. G. Lai, Ector & C. E. Wetzel" authorityYear="2021" box="[355,918,1539,1561]" class="Bacillariophyceae" family="Achnanthaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="4" pageNumber="144" phylum="Bacillariophyta" rank="species" species="marganaiensis" status="sp. nov.">
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<emphasis id="B948EAD9BF65FF8CFEC6F9BC0539DB08" box="[355,632,1539,1561]" italics="true" pageId="4" pageNumber="144">Planothidium marganaiensis</emphasis>
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G.G.Lai, Ector & C.E.Wetzel
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</taxonomicName>
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<emphasis id="B948EAD9BF65FF8CFC39F9BB04A4DB08" box="[924,997,1540,1561]" italics="true" pageId="4" pageNumber="144">
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||
<taxonomicNameLabel id="A27B57A2BF65FF8CFC39F9BB04A4DB08" box="[924,997,1540,1561]" pageId="4" pageNumber="144" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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Type population from the San Giovanni spring, Sardinia (Italy).
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<emphasis id="B948EAD9BF65FF8CFE82F99806D1DB2D" bold="true" box="[295,400,1575,1597]" pageId="4" pageNumber="144">Figs 2–28:</emphasis>
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Rapheless valve (SV) with cavum.
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<emphasis id="B948EAD9BF65FF8CFD4FF998041EDB2D" bold="true" box="[746,863,1575,1597]" pageId="4" pageNumber="144">Figs 29–32:</emphasis>
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Girdle views.
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<emphasis id="B948EAD9BF65FF8CFC4BF9980323DB2D" bold="true" box="[1006,1122,1575,1597]" pageId="4" pageNumber="144">Figs 33–57:</emphasis>
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Raphe valve (RV) with shortened striae in the central area.
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</paragraph>
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</caption>
|
||
<subSubSection id="C3266540BF65FF8CFF18F9300374D503" pageId="4" pageNumber="144" type="description">
|
||
<paragraph id="8B8336CBBF65FF8CFF18F9300374D503" blockId="4.[136,1452,1679,2066]" pageId="4" pageNumber="144">
|
||
<emphasis id="B948EAD9BF65FF8CFF18F93005A1DBB8" bold="true" box="[189,736,1679,1705]" pageId="4" pageNumber="144">
|
||
Scanning electron microscopy (
|
||
<figureCitation id="13072A4EBF65FF8CFD94F93005F5DBB8" box="[561,692,1679,1705]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 58–65</figureCitation>
|
||
):—
|
||
</emphasis>
|
||
Rapheless valve (SV) (
|
||
<figureCitation id="13072A4EBF65FF8CFC44F9300324DBBB" box="[993,1125,1679,1706]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 58–62</figureCitation>
|
||
): Valve surface with shallow, rounded to irregularly shaped depressions along the apical axis, mainly concentrated in the central area (
|
||
<figureCitation id="13072A4EBF65FF8CFAB9F90C02E1DBDF" box="[1308,1440,1715,1742]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 58–60</figureCitation>
|
||
). Externally, striae multiseriate, composed of three to five rows of small same-sized round areolae (
|
||
<figureCitation id="13072A4EBF65FF8CFB76F9680216DBE3" box="[1235,1367,1751,1778]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 58–60</figureCitation>
|
||
). Striae continuing shortly onto the valve mantle, without interruption (
|
||
<figureCitation id="13072A4EBF65FF8CFCE2F944048ADA07" box="[839,971,1787,1814]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 58–59</figureCitation>
|
||
). Internally, cavum covered by a hood with a narrow aperture towards the mantle (
|
||
<figureCitation id="13072A4EBF65FF8CFD9EF8A005FFDA2B" box="[571,702,1823,1850]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 61, 62</figureCitation>
|
||
). Raphe valve (RV) (
|
||
<figureCitation id="13072A4EBF65FF8CFC0EF8A0036EDA2B" box="[939,1071,1823,1850]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 63–65</figureCitation>
|
||
): Striae composed of three to five rows of rounded areolae, not extended over the valve mantle (
|
||
<figureCitation id="13072A4EBF65FF8CFCF2F8FC04ECDA4F" box="[855,941,1859,1886]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Fig. 63</figureCitation>
|
||
). Virgae broader than striae, except near the apices. Externally, proximal raphe endings straight, terminating in expanded drop–like pores. Distal raphe fissures bent, continuing shortly onto the valve mantle (
|
||
<figureCitation id="13072A4EBF65FF8CFD3DF83405AADAB7" box="[664,747,1931,1958]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Fig. 63</figureCitation>
|
||
). Internally, striae sunken between raised virgae and composed of areolae covered by individual hymenes (
|
||
<figureCitation id="13072A4EBF65FF8CFD24F810044ADADB" box="[641,779,1967,1994]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 64, 65</figureCitation>
|
||
). Central nodule raised (
|
||
<figureCitation id="13072A4EBF65FF8CFB8EF81003C2DADB" box="[1067,1155,1967,1994]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Fig. 65</figureCitation>
|
||
). Proximal raphe endings slightly deflected into opposite sides, terminating inconspicuously (
|
||
<figureCitation id="13072A4EBF65FF8CFC25F86C0345DAFF" box="[896,1028,2003,2030]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Figs 64, 65</figureCitation>
|
||
). Distal raphe endings terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle (
|
||
<figureCitation id="13072A4EBF65FF8CFC71F8480369D503" box="[980,1064,2039,2066]" captionStart="FIGURES 58–65" captionStartId="5.[136,243,1798,1820]" captionTargetBox="[238,1357,190,1768]" captionTargetId="figure-24@5.[228,1359,190,1773]" captionTargetPageId="5" captionText="FIGURES 58–65. SEM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 58–62: Rapheless valve (SV). Figs 58–60: External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption (Figs 58–59). Figs 61–62: Internal view showing the round cavum with a narrow aperture towards the valve mantle. Figs 63–65: Raphe valve (RV). Fig. 63: External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally. Figs 64–65: Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle." figureDoi="http://doi.org/10.5281/zenodo.5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="4" pageNumber="144">Fig. 64</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF436643BF64FF8DFF2DF8B90790D509" ID-DOI="http://doi.org/10.5281/zenodo.5756796" ID-Zenodo-Dep="5756796" httpUri="https://zenodo.org/record/5756796/files/figure.png" pageId="5" pageNumber="145" startId="5.[136,243,1798,1820]" targetBox="[238,1357,190,1768]" targetPageId="5">
|
||
<paragraph id="8B8336CBBF64FF8DFF2DF8B90790D509" blockId="5.[136,1452,1798,2072]" pageId="5" pageNumber="145">
|
||
<emphasis id="B948EAD9BF64FF8DFF2DF8B9067CDA0A" bold="true" box="[136,317,1798,1820]" pageId="5" pageNumber="145">FIGURES 58–65.</emphasis>
|
||
SEM.
|
||
<taxonomicName id="4C3C4D48BF64FF8DFE23F8B90487DA0D" authority="G.G.Lai, Ector & C.E.Wetzel" authorityName="G. G. Lai, Ector & C. E. Wetzel" authorityYear="2021" box="[390,966,1798,1820]" class="Bacillariophyceae" family="Achnanthaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="5" pageNumber="145" phylum="Bacillariophyta" rank="species" species="marganaiensis" status="sp. nov.">
|
||
Planothidium
|
||
<emphasis id="B948EAD9BF64FF8DFDAAF8B905DADA0A" box="[527,667,1798,1819]" italics="true" pageId="5" pageNumber="145">marganaiensis</emphasis>
|
||
G.G.Lai, Ector & C.E.Wetzel
|
||
</taxonomicName>
|
||
<emphasis id="B948EAD9BF64FF8DFC6BF8B8035BDA0D" box="[974,1050,1799,1820]" italics="true" pageId="5" pageNumber="145">
|
||
<taxonomicNameLabel id="A27B57A2BF64FF8DFC6BF8B8035BDA0D" box="[974,1050,1799,1820]" pageId="5" pageNumber="145" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Type population from the San Giovanni spring, Sardinia (Italy).
|
||
<emphasis id="B948EAD9BF64FF8DFED1F89506ADDA2E" bold="true" box="[372,492,1834,1856]" pageId="5" pageNumber="145">Figs 58–62:</emphasis>
|
||
Rapheless valve (SV).
|
||
<emphasis id="B948EAD9BF64FF8DFD70F895040CDA2E" bold="true" box="[725,845,1834,1856]" pageId="5" pageNumber="145">Figs 58–60:</emphasis>
|
||
External view showing depressions along the apical axis and multiseriate striae. Note the striae continuing shortly onto the valve mantle, without interruption
|
||
<emphasis id="B948EAD9BF64FF8DFBF4F8F10219DA72" bold="true" box="[1105,1368,1870,1892]" pageId="5" pageNumber="145">(Figs 58–59). Figs 61–62:</emphasis>
|
||
Internal view showing the round cavum with a narrow aperture towards the valve mantle.
|
||
<emphasis id="B948EAD9BF64FF8DFC39F8CD0353DA96" bold="true" box="[924,1042,1906,1928]" pageId="5" pageNumber="145">Figs 63–65:</emphasis>
|
||
Raphe valve (RV).
|
||
<emphasis id="B948EAD9BF64FF8DFB74F8CD025EDA96" bold="true" box="[1233,1311,1906,1928]" pageId="5" pageNumber="145">Fig. 63:</emphasis>
|
||
External view showing multiseriate striae not extended on the valve mantle and distal raphe ends bent unilaterally.
|
||
<emphasis id="B948EAD9BF64FF8DFBF2F829038CDABA" bold="true" box="[1111,1229,1942,1964]" pageId="5" pageNumber="145">Figs 64–65:</emphasis>
|
||
Internal view showing striae sunken between raised virgae and composed of areolae covered by individual hymenes. Note the proximal external raphe ends slightly deflected into opposite sides and distal raphe terminating on poorly developed helictoglossae, continuing shortly onto the valve mantle.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C3266540BF67FF8EFF18FF21079BDC35" pageId="6" pageNumber="146" type="materials_examined">
|
||
<paragraph id="8B8336CBBF67FF8EFF18FF21079BDC35" blockId="6.[136,1452,158,436]" pageId="6" pageNumber="146">
|
||
<emphasis id="B948EAD9BF67FF8EFF18FF21065CDDA9" bold="true" box="[189,285,158,184]" pageId="6" pageNumber="146">Type:—</emphasis>
|
||
<materialsCitation id="3B543C96BF67FF8EFEB8FF210797DC35" ID-GBIF-Occurrence="3341005301" collectingDate="21 September 2016 and 31 January 2017" collectorName="Giuseppina Grazia Lai" country="Italy" county="Domusnovas" elevation="190" latitude="39.337055" location="Carbonia-Iglesias" longLatPrecision="1" longitude="8.626972" municipality="San Giovanni cave" pageId="6" pageNumber="146" specimenCount="1" typeStatus="holotype">
|
||
<collectingCountry id="F32B765BBF67FF8EFEB8FF21062DDDA9" box="[285,364,158,184]" name="Italy" pageId="6" pageNumber="146">ITALY</collectingCountry>
|
||
.
|
||
<location id="8EE36010BF67FF8EFED2FF210500DDA9" LSID="urn:lsid:plazi:treatment:039587DDBF62FF8EFF2DF8B30790DCA5:8EE36010BF67FF8EFED2FF210500DDA9" box="[375,577,158,184]" country="Italy" county="Domusnovas" latitude="39.337055" longLatPrecision="1" longitude="8.626972" municipality="San Giovanni cave" name="Carbonia-Iglesias" pageId="6" pageNumber="146">Carbonia-Iglesias</location>
|
||
:
|
||
<collectingMunicipality id="6BE7ACB1BF67FF8EFDE8FF210460DDA8" box="[589,801,158,185]" pageId="6" pageNumber="146">San Giovanni cave</collectingMunicipality>
|
||
at
|
||
<collectingCounty id="62E24E47BF67FF8EFCE0FF200496DDA8" box="[837,983,159,185]" pageId="6" pageNumber="146">Domusnovas</collectingCounty>
|
||
(Monte Acqua, Marganai massif),
|
||
<elevation id="0011D1F8BF67FF8EFAC1FF2107FFDDCD" metricMagnitude="2" metricUnit="m" metricValue="1.9" pageId="6" pageNumber="146" unit="m" value="190.0">
|
||
<quantity id="4CC49B2EBF67FF8EFAC1FF2102EDDDA8" box="[1380,1452,158,185]" metricMagnitude="2" metricUnit="m" metricValue="1.9" pageId="6" pageNumber="146" unit="m" value="190.0">190 m</quantity>
|
||
a.s.l.
|
||
</elevation>
|
||
,
|
||
<geoCoordinate id="EE08500CBF67FF8EFF6DFF7D062CDDCD" box="[200,365,194,220]" degrees="39" direction="north" minutes="20" orientation="latitude" pageId="6" pageNumber="146" precision="1" seconds="13.4" value="39.337055">39°20’13.4’’N</geoCoordinate>
|
||
;
|
||
<geoCoordinate id="EE08500CBF67FF8EFED2FF7D0567DDCD" box="[375,550,194,220]" degrees="008" direction="east" minutes="37" orientation="longitude" pageId="6" pageNumber="146" precision="1" seconds="37.1" value="8.626972">008°37’37.1’’E</geoCoordinate>
|
||
, sampling dates
|
||
<collectingDate id="EFC6E9E3BF67FF8EFD7FFF7D03D9DDCD" box="[730,1176,194,221]" isEnumeration="true" pageId="6" pageNumber="146">
|
||
<date id="FF82100BBF67FF8EFD7FFF7D04EEDDCD" box="[730,943,194,220]" pageId="6" pageNumber="146" value="2016-09-21">21 September 2016</date>
|
||
and
|
||
<date id="FF82100BBF67FF8EFC44FF7D03D9DDCD" box="[993,1176,194,221]" pageId="6" pageNumber="146" value="2017-01-31">31 January 2017</date>
|
||
</collectingDate>
|
||
, collected by
|
||
<collectorName id="26C9531DBF67FF8EFA89FF7D07BFDC11" pageId="6" pageNumber="146">Giuseppina Grazia Lai</collectorName>
|
||
(designated here,
|
||
<typeStatus id="54878869BF67FF8EFE6CFF59056EDC11" box="[457,559,230,256]" pageId="6" pageNumber="146" type="holotype">holotype</typeStatus>
|
||
: slide no. BR- 4636 Meise Botanic Garden, Belgium. Specimen here depicted in
|
||
<figureCitation id="13072A4EBF67FF8EFF2DFEB5078ADC35" box="[136,203,266,292]" captionStart="FIGURES 2–57" captionStartId="4.[136,243,1539,1561]" captionTargetBox="[151,1436,325,1513]" captionTargetId="figure-85@4.[151,1436,317,1514]" captionTargetPageId="4" captionText="FIGURES 2–57. LM. Planothidium marganaiensis G.G.Lai, Ector & C.E.Wetzel sp. nov. Type population from the San Giovanni spring, Sardinia (Italy). Figs 2–28: Rapheless valve (SV) with cavum. Figs 29–32: Girdle views. Figs 33–57: Raphe valve (RV) with shortened striae in the central area." figureDoi="http://doi.org/10.5281/zenodo.5756794" httpUri="https://zenodo.org/record/5756794/files/figure.png" pageId="6" pageNumber="146">Fig. 9</figureCitation>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3266540BF67FF8EFF18FE910790DCA5" pageId="6" pageNumber="146" type="etymology">
|
||
<paragraph id="8B8336CBBF67FF8EFF18FE910790DCA5" blockId="6.[136,1452,158,436]" pageId="6" pageNumber="146">
|
||
<emphasis id="B948EAD9BF67FF8EFF18FE910625DC59" bold="true" box="[189,356,302,328]" pageId="6" pageNumber="146">Etymology:—</emphasis>
|
||
The name refers to the
|
||
<emphasis id="B948EAD9BF67FF8EFDC1FE900592DC59" box="[612,723,303,328]" italics="true" pageId="6" pageNumber="146">Marganai</emphasis>
|
||
massif where the karst spring San Giovanni originates. Marganai (Marganái) (Iglesias)—It is an elongated mountain or a mountain of a small mountain chain: it is likely that its name is to be compared—not derived—with Lat. margo, -inis “margin” (Indo-European). Cfr. Marghine (Source:
|
||
<bibRefCitation id="EFAD4B3ABF67FF8EFAC6FEC90784DCA5" author="Pittau, M." pageId="6" pageNumber="146" refId="ref9923" refString="Pittau, M. (2013) Toponimi della Sardegna Meridionale. Significato e origine. [http: // www. pittau. it / Sardo / top _ sard _ meridionale. html]" type="url" year="2013">Pittau, 2013</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |