<document id="6B474AE55165F69AB376405AF4E65FCE" ID-CLB-Dataset="245033" ID-DOI="10.5252/cryptogamie-algologie2021v42a13" ID-GBIF-Dataset="82ddef57-2a25-4cce-b92c-cbc85f507f07" ID-ISSN="1776-0992" ID-Zenodo-Dep="7819267" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="tatiana" checkinTime="1681242194612" checkinUser="felipe" docAuthor="Saber, Abdullah A., Angeli, Nicola, Lange-Bertalot, Horst, Kociolek, John P., Spitale, Daniel, Charles, Donald F. &amp; Cantonati, Marco" docDate="2021" docId="FA5FD005FFFBDB1EFCC866E3FEA2FAE7" docLanguage="en" docName="CryptogamieAlgologie.42.13.217-229.pdf" docOrigin="Cryptogamie, Algologie 20 (13)" docSource="http://dx.doi.org/10.5252/cryptogamie-algologie2021v42a13" docStyle="DocumentStyle:C31C23F805CBAD2BB1C6021F66949308.6:CryptogamieAlgologie.2019-.journal_article" docStyleId="C31C23F805CBAD2BB1C6021F66949308" docStyleName="CryptogamieAlgologie.2019-.journal_article" docStyleVersion="6" docTitle="Rhoicosphenula paradoxa Lange-Bert., Kociolek, A. A. Saber &amp; Cantonati 2021, comb. nov." docType="treatment" docVersion="7" lastPageNumber="221" masterDocId="0666A87DFFFDDB19FF996311FFB8FFE9" masterDocTitle="Rise of subgen. Rhoicosphenula Lange-Bert. to the genus level, and description of a new Gomphosphenia s. s. species from Puerto Rico" masterLastPageNumber="229" masterPageNumber="217" pageNumber="221" updateTime="1699513885379" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="812BCA868D7FC6DA0F8843CB19A0C2B8">Rise of subgen. Rhoicosphenula Lange-Bert. to the genus level, and description of a new Gomphosphenia s. s. species from Puerto Rico</mods:title>
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<mods:namePart id="06F9FD7F504213BD2E974CF576DD9E97">Saber, Abdullah A.</mods:namePart>
<mods:affiliation id="18D7CDED57CEC752A2AEFB94C69ECDF3">Botany Department, Faculty of Science, Ain Shams University, Abbassia Square, Cairo 11566 (Egypt) and MUSE - Museo delle Scienze, Limnology and Phycology Section, Corso del Lavoro e della Scienza 3, 38123 Trento (Italy)</mods:affiliation>
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<mods:namePart id="79FFF03DA8F080C49EBE65B14E3A8B0C">Angeli, Nicola</mods:namePart>
<mods:affiliation id="CFDCC1359B9E0D846529342A4F184082">MUSE - Museo delle Scienze, Limnology &amp; Phycology Section, Corso del Lavoro e della Scienza 3, I- 38123 Trento (Italy)</mods:affiliation>
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<mods:namePart id="BCDFAEE8B829B12EDC4AC0433A2F4627">Lange-Bertalot, Horst</mods:namePart>
<mods:affiliation id="D799F5872B077E37D57233F8BF537C31">Goethe Universität Frankfurt, Biologicum, Max-von-Laue Straβe 13, 60438 Frankfurt (Germany)</mods:affiliation>
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<mods:namePart id="952766F522D1AE781A56245EA5FE3692">Kociolek, John P.</mods:namePart>
<mods:affiliation id="192CCA6B32D9F276672AEE822627E21A">Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309 (United States)</mods:affiliation>
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<mods:namePart id="DF75DFCBBAAC26730592578576B29D5C">Spitale, Daniel</mods:namePart>
<mods:affiliation id="C961D7E9126E22217C5A5C2040ACFDFB">MUSE - Museo delle Scienze, Limnology &amp; Phycology Section, Corso del Lavoro e della Scienza 3, I- 38123 Trento (Italy)</mods:affiliation>
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<mods:namePart id="C1C040A42D65CEF416E4E262C41D38F8">Charles, Donald F.</mods:namePart>
<mods:affiliation id="57608AF820E73C0746BFCE9F8D07020F">Patrick Center for Environmental Research, Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103 (United States)</mods:affiliation>
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<mods:namePart id="D03A98E9B208E78E1A46FDC2126F47B6">Cantonati, Marco</mods:namePart>
<mods:affiliation id="8C7F5484CECDA1423307D653F7D88135">MUSE - Museo delle Scienze, Limnology &amp; Phycology Section, Corso del Lavoro e della Scienza 3, I- 38123 Trento (Italy) and Patrick Center for Environmental Research, Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103 (United States) marco. cantonati @ muse. it (corresponding author)</mods:affiliation>
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<mods:title id="39CF34A0233624A12A58483FAC1CB462">Cryptogamie, Algologie</mods:title>
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<mods:date id="0C2F46E6AA5F4340BCF2D67E761F6655">2021</mods:date>
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<treatment id="FA5FD005FFFBDB1EFCC866E3FEA2FAE7" ID-DOI="http://doi.org/10.5281/zenodo.7819275" ID-GBIF-Taxon="209499301" ID-Zenodo-Dep="7819275" LSID="urn:lsid:plazi:treatment:FA5FD005FFFBDB1EFCC866E3FEA2FAE7" httpUri="http://treatment.plazi.org/id/FA5FD005FFFBDB1EFCC866E3FEA2FAE7" lastPageId="7" lastPageNumber="221" pageId="6" pageNumber="221">
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<paragraph id="72496113FFFBDB1FFCC866E3FADFF9C4" blockId="6.[849,1419,1522,1581]" pageId="6" pageNumber="221">
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<taxonomicName id="B5F61A90FFFBDB1FFCC866E3FB5CF9C5" authority="(Lange-Bert.) Lange-Bert., Kociolek, A. A. Saber &amp; Cantonati" authorityName="Lange-Bert., Kociolek, A. A. Saber &amp; Cantonati" authorityYear="2021" baseAuthorityName="Lange-Bert." class="Bacillariophyceae" family="Rhoicospheniaceae" genus="Rhoicosphenula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="6" pageNumber="221" phylum="Ochrophyta" rank="species" species="paradoxa" status="comb. nov.">
<emphasis id="4082BD01FFFBDB1FFCC866E3FBDEF9E4" bold="true" box="[849,1126,1522,1549]" italics="true" pageId="6" pageNumber="221">Rhoicosphenula paradoxa</emphasis>
(Lange-Bert.) Lange-Bert., Kociolek, A.A.Saber &amp; Cantonati
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, 
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</paragraph>
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<subSubSection id="3AEC3298FFFBDB1FFBAE6522FAB7F924" pageId="6" pageNumber="221" type="description">
<paragraph id="72496113FFFBDB1FFBAE6522FB1DF9A4" blockId="6.[1079,1189,1586,1613]" box="[1079,1189,1586,1613]" pageId="6" pageNumber="221">
<heading id="2901D67FFFFBDB1FFBAE6522FB1DF9A4" box="[1079,1189,1586,1613]" centered="true" fontSize="11" level="3" pageId="6" pageNumber="221" reason="3">
(
<figureCitation id="EACD7D96FFFBDB1FFBD96523FB38F9A4" box="[1088,1152,1586,1613]" captionStart="FIG" captionStartId="6.[132,143,980,998]" captionTargetBox="[132,1455,215,936]" captionTargetId="figure-467@6.[698,1267,213,755]" captionTargetPageId="6" captionText="FIG. 2. — LM micrographs of the generitype species (R. paradoxa) of Rhoicosphenula Lange-Bert.,Kociolek, A.A.Saber &amp; Cantonati,stat. nov.,depicting the valve size-diminution series in valve (A-F) and girdle view (G-I); G undergoing division process) of the holotype specimens. Note the pseudosepta at the head- and footpole, the proximal raphe pores which are well separated and broadened (A-F) whilst the internal endings are closer to each other (see e.g., bright contours in B). Scale bar: 10 μm. From Lange-Bertalot (1995) mod." figureDoi="http://doi.org/10.5281/zenodo.7819273" httpUri="https://zenodo.org/record/7819273/files/figure.png" pageId="6" pageNumber="221">Figs 2</figureCitation>
, 
<figureCitation id="EACD7D96FFFBDB1FFB176522FB24F9A4" box="[1166,1180,1587,1613]" captionStart="FIG" captionStartId="7.[132,143,1033,1051]" captionTargetBox="[132,1455,215,982]" captionTargetId="figure-622@7.[131,794,213,727]" captionTargetPageId="7" captionText="FIG. 3. — SEM micrographs of the generitype species (R. paradoxa) of Rhoicosphenula Lange-Bert., Kociolek, A.A.Saber &amp; Cantonati, stat. nov. External views (A, B); internal views (C-H): A, complete frustule (note the slit-like areole on valve face and mantle); B, hypovalve (left) with footpole immersed in the six girdle bands, which appear totally hyaline; they are alternately open and closed at each pole; C, valve with apposed valvocopula and a further copula; D, headpole; the valvocopula forms a septum; the valve pseudoseptum is thus mostly covered, only a triangle remains visible; E, valve footpole with pseudoseptum and open valvocopula (no further copula); F, exposed fracture of the right valve margin: the transapical ribs and the alveoli covered by hymenes become visible; G, exposed fracture at the pseudoseptum; H, the corroded hymenes allow a view of the areolae which are more numerous and differently shaped than the slit-like external foramina. Scale bars: A, C, 2 μm; B, D-H, 1 μm. From Lange-Bertalot (1995) mod." figureDoi="http://doi.org/10.5281/zenodo.7819277" httpUri="https://zenodo.org/record/7819277/files/figure.png" pageId="6" pageNumber="221">3</figureCitation>
)
</heading>
</paragraph>
<paragraph id="72496113FFFBDB1FFCDA657AFC1FF977" blockId="6.[814,1455,1643,1694]" pageId="6" pageNumber="221">
<taxonomicName id="B5F61A90FFFBDB1FFCDA657AFB0AF96D" authority="Lange-Bert." authorityName="Saber &amp; Angeli &amp; Lange-Bertalot &amp; Kociolek &amp; Spitale &amp; Charles &amp; Cantonati" authorityYear="2021" baseAuthorityName="Saber &amp; Angeli &amp; Lange-Bertalot &amp; Kociolek &amp; Spitale &amp; Charles &amp; Cantonati" baseAuthorityYear="2021" box="[835,1202,1643,1668]" class="Bacillariophyceae" family="Rhoicospheniaceae" genus="Gomphosphenia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="6" pageNumber="221" phylum="Ochrophyta" rank="species" species="paradoxa">
<emphasis id="4082BD01FFFBDB1FFCDA657AFB8EF96A" box="[835,1078,1643,1667]" italics="true" pageId="6" pageNumber="221">Gomphosphenia paradoxa</emphasis>
Lange-Bert.
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, 
<emphasis id="4082BD01FFFBDB1FFB27657DFAEAF96A" box="[1214,1362,1643,1667]" italics="true" pageId="6" pageNumber="221">Nova Hedwigia</emphasis>
, 246, pls I-III (1995).
</paragraph>
<paragraph id="72496113FFFBDB1FFCB465A7FAB7F924" blockId="6.[813,1295,1717,1741]" box="[813,1295,1717,1741]" pageId="6" pageNumber="221">REGISTRATION. — http://phycobank.org/102719</paragraph>
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<subSubSection id="3AEC3298FFFBDB1EFCB465E3FEA2FAE7" lastPageId="7" lastPageNumber="222" pageId="6" pageNumber="221" type="distribution">
<paragraph id="72496113FFFBDB1FFCB465E3FC16F8E5" blockId="6.[813,942,1778,1804]" box="[813,942,1778,1804]" pageId="6" pageNumber="221">
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<emphasis id="4082BD01FFFBDB1FFCB465E3FC16F8E5" box="[813,942,1778,1804]" italics="true" pageId="6" pageNumber="221">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="72496113FFFBDB1EFCB46403FEA2FAE7" blockId="6.[813,1458,1810,2028]" lastBlockId="7.[132,774,1236,1294]" lastPageId="7" lastPageNumber="222" pageId="6" pageNumber="221">
This is the 
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species of this still monotypic genus. It was collected from the Neotropical, black-water River Tec in 
<collectingCountry id="0AE12183FFFBDB1FFAE46423FCCAF882" name="Venezuela" pageId="6" pageNumber="221">Venezuela</collectingCountry>
, at 
<quantity id="B50ECCF6FFFBDB1FFC0E6443FC54F885" box="[919,1004,1874,1900]" metricMagnitude="3" metricUnit="m" metricValue="1.2" pageId="6" pageNumber="221" unit="m" value="1200.0">1200 m</quantity>
a.s.l., in the surroundings of the Roraima Tepui, a table-top mountain formed by remains of a large sandstone plateau that once covered the granite bedrock. Besides 
<taxonomicName id="B5F61A90FFFBDB1FFC1D64A3FBBBF822" authorityName="Saber &amp; Angeli &amp; Lange-Bertalot &amp; Kociolek &amp; Spitale &amp; Charles &amp; Cantonati" authorityYear="2021" baseAuthorityName="Saber &amp; Angeli &amp; Lange-Bertalot &amp; Kociolek &amp; Spitale &amp; Charles &amp; Cantonati" baseAuthorityYear="2021" box="[900,1027,1969,1995]" class="Bacillariophyceae" family="Rhoicospheniaceae" genus="Gomphosphenia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="6" pageNumber="221" phylum="Ochrophyta" rank="species" species="paradoxa" status="comb. nov.">
<emphasis id="4082BD01FFFBDB1FFC1D64A3FBBBF822" box="[900,1027,1969,1995]" italics="true" pageId="6" pageNumber="221">R. paradoxa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5BB1007AFFFBDB1FFB9464A0FB31F825" box="[1037,1161,1969,1996]" pageId="6" pageNumber="221" rank="species">comb. nov.</taxonomicNameLabel>
, the 
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material includes several representatives of the genera 
<taxonomicName id="B5F61A90FFFBDB1FFB2264C3FAB4F802" authorityName="C.G.Ehrenberg" authorityYear="1837" box="[1211,1292,2002,2027]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="6" pageNumber="221" phylum="Ochrophyta" rank="genus">
<emphasis id="4082BD01FFFBDB1FFB2264C3FAB4F802" box="[1211,1292,2002,2027]" italics="true" pageId="6" pageNumber="221">Eunotia</emphasis>
</taxonomicName>
, 
<taxonomicName id="B5F61A90FFFBDB1FFA8564C0FACFF802" authorityName="R. T. Lowe" authorityYear="1852" box="[1308,1399,2001,2027]" class="Gastropoda" family="Geomitridae" genus="Actinella" kingdom="Animalia" order="Stylommatophora" pageId="6" pageNumber="221" phylum="Mollusca" rank="genus">
<emphasis id="4082BD01FFFBDB1FFA8564C0FACFF802" box="[1308,1399,2001,2027]" italics="true" pageId="6" pageNumber="221">Actinella</emphasis>
</taxonomicName>
, and 
<taxonomicName id="B5F61A90FFFADB1EFF1D67C5FF48FB07" authorityName="F.T.Kützing" authorityYear="1836" box="[132,240,1236,1262]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="222" phylum="Ochrophyta" rank="genus">
<emphasis id="4082BD01FFFADB1EFF1D67C5FF48FB07" box="[132,240,1236,1262]" italics="true" pageId="7" pageNumber="222">Brachysira</emphasis>
</taxonomicName>
, as well as other species indicating high humicacids content.
</paragraph>
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</treatment>
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