216 lines
39 KiB
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216 lines
39 KiB
XML
<document id="18561F90393E9B95376528F0A006645C" ID-DOI="10.11646/phytotaxa.267.4.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13667166" 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="1725393618641" checkinUser="felipe" docAuthor="Tudesque, Loïc, Cohu, René Le & Wetzel, Carlos E." docDate="2016" docId="A9278170FFDB8107FF5B50046D02FDBD" docLanguage="en" docName="phytotaxa.267.4.1.pdf" docOrigin="Phytotaxa 267 (4)" docSource="http://dx.doi.org/10.11646/phytotaxa.267.4.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Platessa itoupensis Tudesque, Le Cohu & C. E. Wetzel 2016, sp. nov." docType="treatment" docVersion="2" lastPageNumber="246" masterDocId="551EF908FFD3810EFFD3522E681CFF86" masterDocTitle="Two new Platessa (Bacillariophyceae) from Amazonia: Platessa guianensis spec. nov., and P. itoupensis spec. nov." masterLastPageNumber="255" masterPageNumber="237" pageNumber="245" updateTime="1725415697412" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="7F21C66A354CAAD310F004141BD3999D">Two new Platessa (Bacillariophyceae) from Amazonia: Platessa guianensis spec. nov., and P. itoupensis spec. nov.</mods:title>
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<mods:namePart id="20B36F45F676EC1406C4B23DCCAE4FE2">Tudesque, Loïc</mods:namePart>
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<mods:affiliation id="B56F8C264FB8F5D4D763821674A74D62">Laboratoire Évolution & Diversité Biologique (EDB UMR 5174), Université de Toulouse, CNRS, ENFA, UPS, 118 route de Narbonne, F- 31062 Toulouse, France</mods:affiliation>
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<mods:namePart id="8A7BC29F7F7436197457D780358CF1A2">Cohu, René Le</mods:namePart>
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<mods:affiliation id="6A8E0D2C07D573F35E44C86CB65CBC78">Laboratoire d’écologie fonctionnelle et environnement (ECOLAB UMR 5245), Université de Toulouse, CNRS, ENFA, UPS, 118 route de Narbonne, F- 31062 Toulouse, France</mods:affiliation>
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<mods:namePart id="70FFA81BDDE9CD1DB737E9F166F5C55F">Wetzel, Carlos E.</mods:namePart>
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<mods:affiliation id="7667E0FFB5706748C85622BFD4797254">Luxembourg Institute of Science and Technology (LIST), Department Environmental Research and Innovation (ERIN), 41 rue du Brill, L- 4422 Belvaux, Luxembourg</mods:affiliation>
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<mods:title id="ADDFFB89D81AC4EB9C66B2AD57D23264">Phytotaxa</mods:title>
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<mods:date id="6E17BFEDE46EE0A28A7E3B32C7968AA5">2016</mods:date>
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<mods:number id="25A3F87609CB7543E1DF7BEEB29779A3">2016-07-13</mods:number>
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<treatment id="A9278170FFDB8107FF5B50046D02FDBD" ID-DOI="http://doi.org/10.5281/zenodo.13667182" ID-Zenodo-Dep="13667182" LSID="urn:lsid:plazi:treatment:A9278170FFDB8107FF5B50046D02FDBD" httpUri="http://treatment.plazi.org/id/A9278170FFDB8107FF5B50046D02FDBD" lastPageId="9" lastPageNumber="246" pageId="8" pageNumber="245">
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<subSubSection id="699463EDFFDB8106FF5B50046B15FB05" pageId="8" pageNumber="245" type="nomenclature">
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<paragraph id="21313066FFDB8106FF5B50046C17FDC3" blockId="8.[136,1035,554,581]" box="[136,1035,554,581]" pageId="8" pageNumber="245">
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<heading id="7A79870AFFDB8106FF5B50046C17FDC3" bold="true" box="[136,1035,554,581]" fontSize="11" level="1" pageId="8" pageNumber="245" reason="1">
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<emphasis id="13FAEC74FFDB8106FF5B50046C17FDC3" bold="true" box="[136,1035,554,581]" pageId="8" pageNumber="245">
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<taxonomicName id="E68E4BE5FFDB8106FF5B50046AE2FDC3" authority="Tudesque, Le Cohu & C.E.Wetzel" authorityName="Tudesque, Le Cohu & C. E. Wetzel" authorityYear="2016" box="[136,766,554,581]" class="Bacillariophyceae" family="Achnanthaceae" genus="Platessa" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="245" phylum="Bacillariophyta" rank="species" species="itoupensis" status="sp. nov.">
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<emphasis id="13FAEC74FFDB8106FF5B5004697FFDC2" bold="true" box="[136,355,554,581]" italics="true" pageId="8" pageNumber="245">Platessa itoupensis</emphasis>
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Tudesque, Le Cohu & C.E.Wetzel
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</taxonomicName>
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,
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<taxonomicNameLabel id="08C9510FFFDB8106FCD950056B7EFDC3" box="[778,866,555,581]" pageId="8" pageNumber="245" rank="species">
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<emphasis id="13FAEC74FFDB8106FCD950056B3FFDC3" bold="true" box="[778,803,555,581]" italics="true" pageId="8" pageNumber="245">sp</emphasis>
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.
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<emphasis id="13FAEC74FFDB8106FCE250056B47FDC3" bold="true" box="[817,859,555,581]" italics="true" pageId="8" pageNumber="245">nov</emphasis>
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.
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</taxonomicNameLabel>
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(
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<figureCitation id="B9B52CE3FFDB8106FCA250026C1EFDC3" box="[881,1026,555,581]" captionStart-0="FIGURES 72–136" captionStart-1="FIGURES 137–142" captionStart-2="FIGURES 143–145" captionStartId-0="8.[136,243,2026,2047]" captionStartId-1="9.[136,243,1918,1939]" captionStartId-2="11.[136,243,1984,2005]" captionTargetBox-0="[172,1413,1190,1989]" captionTargetBox-1="[196,1396,610,1889]" captionTargetBox-2="[159,1430,200,1954]" captionTargetId-0="figure-504@8.[164,1423,1181,2001]" captionTargetId-1="figure-189@9.[183,1404,596,1893]" captionTargetId-2="figure-14@11.[151,1436,190,1959]" captionTargetPageId-0="8" captionTargetPageId-1="9" captionTargetPageId-2="11" captionText-0="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." captionText-1="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." captionText-2="FIGURES 143–145. Platessa itoupensis sp. nov., material from French Guiana. SEM. 143. External view of the SV with wide axial area and wide interstriae. 144, 145. Internal view of the SV. Striae with occluded areoale between clearly sunken raised virgae." figureDoi-0="http://doi.org/10.5281/zenodo.13667196" figureDoi-1="http://doi.org/10.5281/zenodo.13667198" figureDoi-2="http://doi.org/10.5281/zenodo.13667204" httpUri-0="https://zenodo.org/record/13667196/files/figure.png" httpUri-1="https://zenodo.org/record/13667198/files/figure.png" httpUri-2="https://zenodo.org/record/13667204/files/figure.png" pageId="8" pageNumber="245">Figs 72−145</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="21313066FFDB8106FF5B50586B15FB05" blockId="8.[136,1452,630,1155]" pageId="8" pageNumber="245">
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LM (
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<figureCitation id="B9B52CE3FFDB8106FF6B50586929FD0D" box="[184,309,630,651]" captionStart="FIGURES 72–136" captionStartId="8.[136,243,2026,2047]" captionTargetBox="[172,1413,1190,1989]" captionTargetId="figure-504@8.[164,1423,1181,2001]" captionTargetPageId="8" captionText="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." figureDoi="http://doi.org/10.5281/zenodo.13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245">Figs 72−136</figureCitation>
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): Valves linear-elliptical in the largest individuals (
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<figureCitation id="B9B52CE3FFDB8106FCC550586B86FD0D" box="[790,922,630,651]" captionStart="FIGURES 72–136" captionStartId="8.[136,243,2026,2047]" captionTargetBox="[172,1413,1190,1989]" captionTargetId="figure-504@8.[164,1423,1181,2001]" captionTargetPageId="8" captionText="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." figureDoi="http://doi.org/10.5281/zenodo.13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245">Figs 106, 107</figureCitation>
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) becoming narrowly elliptical in large individuals (
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<figureCitation id="B9B52CE3FFDB8106FA52505868E0FD29" captionStart="FIGURES 72–136" captionStartId="8.[136,243,2026,2047]" captionTargetBox="[172,1413,1190,1989]" captionTargetId="figure-504@8.[164,1423,1181,2001]" captionTargetPageId="8" captionText="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." figureDoi="http://doi.org/10.5281/zenodo.13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245">Figs 72−74</figureCitation>
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) to elliptical in the smallest ones (
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<figureCitation id="B9B52CE3FFDB8106FD8150B46B5DFD29" box="[594,833,666,687]" captionStart="FIGURES 72–136" captionStartId="8.[136,243,2026,2047]" captionTargetBox="[172,1413,1190,1989]" captionTargetId="figure-504@8.[164,1423,1181,2001]" captionTargetPageId="8" captionText="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." figureDoi="http://doi.org/10.5281/zenodo.13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245">Figs 100−105, 132−136</figureCitation>
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). Length: 7.0−18.7 μm; width: 4.4−6.3 μm, ratio length/width: 1.5−3.2 (n= 60). Raphe sternum valve with narrow lanceolate axial area slightly widened towards the asymmetrical central area (
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<figureCitation id="B9B52CE3FFDB8106FF1750CC695DFD71" box="[196,321,738,759]" captionStart="FIGURES 72–136" captionStartId="8.[136,243,2026,2047]" captionTargetBox="[172,1413,1190,1989]" captionTargetId="figure-504@8.[164,1423,1181,2001]" captionTargetPageId="8" captionText="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." figureDoi="http://doi.org/10.5281/zenodo.13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245">Figs 72−105</figureCitation>
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). Central area bordered by 1 to 3 shorter striae. Raphe branches straight with proximal endings hardly expanded. Striae radiate, coarse and curved; density: 8.5−12.6/10 μm. Sternum valve with a relatively wide lanceolate axial area (
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<figureCitation id="B9B52CE3FFDB8106FAC651286DBCFC9D" box="[1301,1440,774,795]" captionStart="FIGURES 72–136" captionStartId="8.[136,243,2026,2047]" captionTargetBox="[172,1413,1190,1989]" captionTargetId="figure-504@8.[164,1423,1181,2001]" captionTargetPageId="8" captionText="FIGURES 72–136. Platessa itoupensis sp. nov., type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV)." figureDoi="http://doi.org/10.5281/zenodo.13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245">Figs 106−136</figureCitation>
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). Striae subparallel in the central part of the valve becoming slightly radiate near the apices. Density of striae: 7.0−10/10 μm, with interstriae wider than the striae. SEM (
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<figureCitation id="B9B52CE3FFDB8106FDE851606ADBFCE5" box="[571,711,846,867]" captionStart-0="FIGURES 137–142" captionStart-1="FIGURES 143–145" captionStartId-0="9.[136,243,1918,1939]" captionStartId-1="11.[136,243,1984,2005]" captionTargetBox-0="[196,1396,610,1889]" captionTargetBox-1="[159,1430,200,1954]" captionTargetId-0="figure-189@9.[183,1404,596,1893]" captionTargetId-1="figure-14@11.[151,1436,190,1959]" captionTargetPageId-0="9" captionTargetPageId-1="11" captionText-0="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." captionText-1="FIGURES 143–145. Platessa itoupensis sp. nov., material from French Guiana. SEM. 143. External view of the SV with wide axial area and wide interstriae. 144, 145. Internal view of the SV. Striae with occluded areoale between clearly sunken raised virgae." figureDoi-0="http://doi.org/10.5281/zenodo.13667198" figureDoi-1="http://doi.org/10.5281/zenodo.13667204" httpUri-0="https://zenodo.org/record/13667198/files/figure.png" httpUri-1="https://zenodo.org/record/13667204/files/figure.png" pageId="8" pageNumber="245">Figs 137−145</figureCitation>
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): Externally, RSV with proximal endings drop-like shaped surrounded by a weakly extended groove (
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<figureCitation id="B9B52CE3FFDB8106FE6E515C6A67FC01" box="[445,635,882,903]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Figs 137, 138, 140</figureCitation>
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, arrow). Straight distal endings located in a transapically extended groove inverse circumflexe-like shaped (looks like bird flying,
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<figureCitation id="B9B52CE3FFDB8106FD4F51B86B46FC2D" box="[668,858,918,939]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Figs 137−139, 141</figureCitation>
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). Very narrow hyaline area surrounding the valve, widened and more silicified at the apices (
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<figureCitation id="B9B52CE3FFDB8106FDD251946A97FC49" box="[513,651,954,975]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Figs 137−139</figureCitation>
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). Internally, proximal raphe endings clearly deflected to opposite directions, distal raphe ending slightly deflected in a tiny helictoglossa (
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<figureCitation id="B9B52CE3FFDB8106FD3651F06B20FC75" box="[741,828,990,1011]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Fig. 142</figureCitation>
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). Externally, SV slightly convex (
|
||
<figureCitation id="B9B52CE3FFDB8106FB4351F06CFBFC75" box="[1168,1255,990,1011]" captionStart="FIGURES 143–145" captionStartId="11.[136,243,1984,2005]" captionTargetBox="[159,1430,200,1954]" captionTargetId="figure-14@11.[151,1436,190,1959]" captionTargetPageId="11" captionText="FIGURES 143–145. Platessa itoupensis sp. nov., material from French Guiana. SEM. 143. External view of the SV with wide axial area and wide interstriae. 144, 145. Internal view of the SV. Striae with occluded areoale between clearly sunken raised virgae." figureDoi="http://doi.org/10.5281/zenodo.13667204" httpUri="https://zenodo.org/record/13667204/files/figure.png" pageId="8" pageNumber="245">Fig. 143</figureCitation>
|
||
). Internally, areolae lying in shallow depressions and extending on the mantle (
|
||
<figureCitation id="B9B52CE3FFDB8106FD20562C6B5BFB91" box="[755,839,1026,1047]" captionStart="FIGURES 143–145" captionStartId="11.[136,243,1984,2005]" captionTargetBox="[159,1430,200,1954]" captionTargetId="figure-14@11.[151,1436,190,1959]" captionTargetPageId="11" captionText="FIGURES 143–145. Platessa itoupensis sp. nov., material from French Guiana. SEM. 143. External view of the SV with wide axial area and wide interstriae. 144, 145. Internal view of the SV. Striae with occluded areoale between clearly sunken raised virgae." figureDoi="http://doi.org/10.5281/zenodo.13667204" httpUri="https://zenodo.org/record/13667204/files/figure.png" pageId="8" pageNumber="245">Fig. 145</figureCitation>
|
||
). Biseriate striae, sometimes irregularly triseriate. Areolae open externally (
|
||
<figureCitation id="B9B52CE3FFDB8106FEF9560869ADFBBD" box="[298,433,1062,1083]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Figs 137−141</figureCitation>
|
||
) and occluded internally by a hymen stomato-like (
|
||
<figureCitation id="B9B52CE3FFDB8106FC7356086BEEFBBD" box="[928,1010,1062,1083]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Fig. 142</figureCitation>
|
||
,
|
||
<figureCitation id="B9B52CE3FFDB8106FC2F56086C4FFBBD" box="[1020,1107,1062,1083]" captionStart="FIGURES 143–145" captionStartId="11.[136,243,1984,2005]" captionTargetBox="[159,1430,200,1954]" captionTargetId="figure-14@11.[151,1436,190,1959]" captionTargetPageId="11" captionText="FIGURES 143–145. Platessa itoupensis sp. nov., material from French Guiana. SEM. 143. External view of the SV with wide axial area and wide interstriae. 144, 145. Internal view of the SV. Striae with occluded areoale between clearly sunken raised virgae." figureDoi="http://doi.org/10.5281/zenodo.13667204" httpUri="https://zenodo.org/record/13667204/files/figure.png" pageId="8" pageNumber="245">144, 145</figureCitation>
|
||
). Apical striae frequently merged in the RSV but not in the SV (
|
||
<figureCitation id="B9B52CE3FFDB8106FE1B56646AAFFBD9" box="[456,691,1098,1119]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Figs 137−139, 141, 142</figureCitation>
|
||
). On both valves presence of notches (RSV
|
||
<figureCitation id="B9B52CE3FFDB8106FB8D56646CF8FBD9" box="[1118,1252,1098,1119]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Figs 137, 138</figureCitation>
|
||
, arrows; SV notches hidden by valvocopula). Valvocupula open (
|
||
<figureCitation id="B9B52CE3FFDB8106FDB656406AA4FB05" box="[613,696,1134,1155]" captionStart="FIGURES 137–142" captionStartId="9.[136,243,1918,1939]" captionTargetBox="[196,1396,610,1889]" captionTargetId="figure-189@9.[183,1404,596,1893]" captionTargetPageId="9" captionText="FIGURES 137–142. Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow)." figureDoi="http://doi.org/10.5281/zenodo.13667198" httpUri="https://zenodo.org/record/13667198/files/figure.png" pageId="8" pageNumber="245">Fig. 142</figureCitation>
|
||
, arrow).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="75F160EEFFDB8106FF5B55C46A2FF7A5" ID-DOI="http://doi.org/10.5281/zenodo.13667196" ID-Zenodo-Dep="13667196" httpUri="https://zenodo.org/record/13667196/files/figure.png" pageId="8" pageNumber="245" startId="8.[136,243,2026,2047]" targetBox="[172,1413,1190,1989]" targetPageId="8" targetType="figure">
|
||
<paragraph id="21313066FFDB8106FF5B55C46A2FF7A5" blockId="8.[136,1451,2026,2083]" pageId="8" pageNumber="245">
|
||
<emphasis id="13FAEC74FFDB8106FF5B55C4695BF879" bold="true" box="[136,327,2026,2047]" pageId="8" pageNumber="245">FIGURES 72–136.</emphasis>
|
||
<taxonomicName id="E68E4BE5FFDB8106FE9D55C46A1AF879" authorityName="Tudesque & Cohu & Wetzel" authorityYear="2016" box="[334,518,2026,2047]" class="Bacillariophyceae" family="Achnanthaceae" genus="Platessa" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="245" phylum="Bacillariophyta" rank="species" species="itoupensis" status="sp. nov.">
|
||
<emphasis id="13FAEC74FFDB8106FE9D55C46A1AF879" box="[334,518,2026,2047]" italics="true" pageId="8" pageNumber="245">Platessa itoupensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="08C9510FFFDB8106FDDE55C46A4BF879" box="[525,599,2026,2047]" pageId="8" pageNumber="245" rank="species">
|
||
<emphasis id="13FAEC74FFDB8106FDDE55C46A3EF879" box="[525,546,2026,2047]" italics="true" pageId="8" pageNumber="245">sp</emphasis>
|
||
.
|
||
<emphasis id="13FAEC74FFDB8106FDFC55C46A4EF879" box="[559,594,2026,2047]" italics="true" pageId="8" pageNumber="245">nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
, type material from French Guiana. 72–136. LM, range of size. 72–105. Raphe sternum valve (RSV). 106–136. Sternum valve (SV).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="699463EDFFDA8107FF5B528E6C4CFEE5" pageId="9" pageNumber="246" type="materials_examined">
|
||
<paragraph id="21313066FFDA8107FF5B528E6AC4FEA7" blockId="9.[136,1452,160,289]" pageId="9" pageNumber="246">
|
||
<emphasis id="13FAEC74FFDA8107FF5B528E68DEFF33" bold="true" box="[136,194,160,181]" pageId="9" pageNumber="246">Type:</emphasis>
|
||
—
|
||
<collectingCountry id="599970F6FFDA8107FF09528E69B8FF33" box="[218,420,160,181]" name="French Guiana" pageId="9" pageNumber="246">FRENCH GUIANA</collectingCountry>
|
||
. River “Sable” in the southeastern side of the Oyapock basin in the Itoupe Mountains, Southern center of French Guiana,
|
||
<geoCoordinate id="44BA56A1FFDA8107FEA452EA69CEFF5F" box="[375,466,196,217]" degrees="3.040" direction="north" orientation="latitude" pageId="9" pageNumber="246" precision="55" value="3.04">3.040° N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="44BA56A1FFDA8107FE0D52EA6A54FF5F" box="[478,584,196,217]" degrees="53.078" direction="west" orientation="longitude" pageId="9" pageNumber="246" precision="55" value="-53.078">53.078° W</geoCoordinate>
|
||
, benthic periphyton,
|
||
<emphasis id="13FAEC74FFDA8107FCCB52EA6C4CFF5F" box="[792,1104,196,217]" italics="true" pageId="9" pageNumber="246">
|
||
Sébastien Brosse,
|
||
<date id="553016A6FFDA8107FC1952EA6C4CFF5F" box="[970,1104,196,217]" pageId="9" pageNumber="246" value="2010-10">October 2010</date>
|
||
</emphasis>
|
||
(
|
||
<typeStatus id="FE358EC4FFDA8107FB8C52EA6CA9FF5F" box="[1119,1205,196,217]" pageId="9" pageNumber="246" type="holotype">holotype</typeStatus>
|
||
PC! 00145187, Muséum National d’Histoire Naturelle de Paris, Paris, France,
|
||
<typeStatus id="FE358EC4FFDA8107FD6952C66AE3FF7B" box="[698,767,232,253]" pageId="9" pageNumber="246" type="isotype">isotype</typeStatus>
|
||
<collectionCode id="479FA8A3FFDA8107FCD052C66B59FF7B" box="[771,837,232,253]" 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="9" pageNumber="246">ANSP</collectionCode>
|
||
!
|
||
<collectionCode id="479FA8A3FFDA8107FC9D52C66B73FF7B" box="[846,879,232,253]" country="0" name="Goucher College" pageId="9" pageNumber="246">GC</collectionCode>
|
||
26826 and raw material
|
||
<collectionCode id="479FA8A3FFDA8107FB8552C66C91FF7B" box="[1110,1165,232,253]" country="Pakistan" httpUri="http://grbio.org/cool/6cg4-m6r9" name="Government College, Department of Zoology" pageId="9" pageNumber="246">GCM</collectionCode>
|
||
10312, the algae collection of the Academy of Natural Sciences, Philadelphia,
|
||
<collectingCountry id="599970F6FFDA8107FD5E53226ACCFEA7" box="[653,720,268,289]" name="United States of America" pageId="9" pageNumber="246">U.S.A.</collectingCountry>
|
||
)
|
||
</paragraph>
|
||
<paragraph id="21313066FFDA8107FF5B53646C4CFEE5" blockId="9.[136,1452,330,571]" box="[136,1104,330,355]" pageId="9" pageNumber="246">
|
||
<emphasis id="13FAEC74FFDA8107FF5B536468F8FEE5" bold="true" box="[136,228,330,355]" pageId="9" pageNumber="246">Habitat</emphasis>
|
||
:—freshwater periphyton from tropical and subtropical moist broadleaf forest.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="699463EDFFDA8107FF6E53406D15FE01" box="[189,1289,366,391]" pageId="9" pageNumber="246" type="etymology">
|
||
<paragraph id="21313066FFDA8107FF6E53406D15FE01" blockId="9.[136,1452,330,571]" box="[189,1289,366,391]" pageId="9" pageNumber="246">
|
||
<emphasis id="13FAEC74FFDA8107FF6E53406922FE01" bold="true" box="[189,318,366,391]" pageId="9" pageNumber="246">Etymology</emphasis>
|
||
:—in reference to the location where this species was sampled (
|
||
<emphasis id="13FAEC74FFDA8107FBDB53406C0CFE01" box="[1032,1040,366,391]" italics="true" pageId="9" pageNumber="246">i</emphasis>
|
||
.
|
||
<emphasis id="13FAEC74FFDA8107FBC453406C3FFE01" box="[1047,1059,366,391]" italics="true" pageId="9" pageNumber="246">e</emphasis>
|
||
. Itoupe Mountains).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="699463EDFFDA8107FF6E53BC6D02FDBD" pageId="9" pageNumber="246" type="distribution">
|
||
<paragraph id="21313066FFDA8107FF6E53BC6D02FDBD" blockId="9.[136,1452,330,571]" pageId="9" pageNumber="246">
|
||
<emphasis id="13FAEC74FFDA8107FF6E53BC69F6FE2D" bold="true" box="[189,490,402,427]" pageId="9" pageNumber="246">Distribution and ecology:</emphasis>
|
||
—the only place where
|
||
<taxonomicName id="E68E4BE5FFDA8107FD2353BC6B9CFE2D" authorityName="Tudesque & Cohu & Wetzel" authorityYear="2016" box="[752,896,402,427]" class="Bacillariophyceae" family="Achnanthaceae" genus="Platessa" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="246" phylum="Bacillariophyta" rank="species" species="itoupensis">
|
||
<emphasis id="13FAEC74FFDA8107FD2353BC6B1DFE2D" box="[752,769,402,427]" italics="true" pageId="9" pageNumber="246">P</emphasis>
|
||
.
|
||
<emphasis id="13FAEC74FFDA8107FCDD53BC6B9CFE2D" box="[782,896,402,427]" italics="true" pageId="9" pageNumber="246">itoupensis</emphasis>
|
||
</taxonomicName>
|
||
has been sampled is the
|
||
<typeStatus id="FE358EC4FFDA8107FB5E53BC6CA1FE2D" box="[1165,1213,402,427]" pageId="9" pageNumber="246">type</typeStatus>
|
||
locality and nowhere else to our knowledge. At the place where it was sampled, the trophic status and the saprobic degree are very low, respectively oligotrophic and oligosabrobic. The diversity of the diatom community is rather low. As example,
|
||
<taxonomicName id="E68E4BE5FFDA8107FA4053F468E6FD91" authorityName="Tudesque & Cohu & Wetzel" authorityYear="2016" class="Bacillariophyceae" family="Achnanthaceae" genus="Platessa" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="246" phylum="Bacillariophyta" rank="species" species="itoupensis">
|
||
<emphasis id="13FAEC74FFDA8107FA4053F46DB8FE75" box="[1427,1444,474,499]" italics="true" pageId="9" pageNumber="246">P</emphasis>
|
||
.
|
||
<emphasis id="13FAEC74FFDA8107FF5B53D068E6FD91" box="[136,250,510,535]" italics="true" pageId="9" pageNumber="246">itoupensis</emphasis>
|
||
</taxonomicName>
|
||
is accompanied by
|
||
<taxonomicName id="E68E4BE5FFDA8107FE3653D06B8EFD91" authority="Grunow" authorityName="Grunow" authorityYear="1880" box="[485,914,510,535]" class="Bacillariophyceae" family="Gomphonemaceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="246" phylum="Ochrophyta" rank="species" species="puiggarianum">
|
||
<emphasis id="13FAEC74FFDA8107FE3653D06B30FD91" box="[485,812,510,535]" italics="true" pageId="9" pageNumber="246">Gomphonema puiggarianum</emphasis>
|
||
Grunow
|
||
</taxonomicName>
|
||
in
|
||
<bibRefCitation id="451F4D97FFDA8107FC6853D06CD5FD91" author="Van Heurck, H." box="[955,1225,510,535]" pageId="9" pageNumber="246" pagination="1 - 30" refId="ref9866" refString="Van Heurck, H. (1880) Synopsis des Diatomees de Belgique. Atlas. Ducaju & Cie., Anvers., pls. 1 - 30" type="book chapter" year="1880">Van Heurck (1880: 25)</bibRefCitation>
|
||
,
|
||
<taxonomicName id="E68E4BE5FFDA8107FB0B53D06A57FDBD" authority="Metzeltin & Lange-Bertalot (1998: 137)" authorityName="Metzeltin & Lange-Bertalot" authorityPageNumber="137" authorityYear="1998" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="246" phylum="Bacillariophyta" rank="species" species="frenguelli">
|
||
<emphasis id="13FAEC74FFDA8107FB0B53D06DB0FD91" box="[1240,1452,510,535]" italics="true" pageId="9" pageNumber="246">Luticola frenguelli</emphasis>
|
||
<bibRefCitation id="451F4D97FFDA8107FF5B500C6A57FDBD" author="Metzeltin, D. & Lange-Bertalot, H." box="[136,587,546,571]" pageId="9" pageNumber="246" pagination="1 - 695" refId="ref8997" refString="Metzeltin, D. & Lange-Bertalot, H. (1998) Tropical diatoms of South America I: About 700 predominantly rarely known or new taxa representative of the neotropical flora. Iconographia Diatomologica 5: 1 - 695." type="journal article" year="1998">Metzeltin & Lange-Bertalot (1998: 137)</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="E68E4BE5FFDA8107FD52500C6D06FDBD" authority="Metzeltin & Lange-Bertalot (1998: 157)" authorityName="Metzeltin & Lange-Bertalot" authorityPageNumber="157" authorityYear="1998" box="[641,1306,546,571]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Nupela" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="246" phylum="Ochrophyta" rank="species" species="astartiella">
|
||
<emphasis id="13FAEC74FFDA8107FD52500C6B50FDBD" box="[641,844,546,571]" italics="true" pageId="9" pageNumber="246">Nupela astartiella</emphasis>
|
||
<bibRefCitation id="451F4D97FFDA8107FC80500C6D06FDBD" author="Metzeltin, D. & Lange-Bertalot, H." box="[851,1306,546,571]" pageId="9" pageNumber="246" pagination="1 - 695" refId="ref8997" refString="Metzeltin, D. & Lange-Bertalot, H. (1998) Tropical diatoms of South America I: About 700 predominantly rarely known or new taxa representative of the neotropical flora. Iconographia Diatomologica 5: 1 - 695." type="journal article" year="1998">Metzeltin & Lange-Bertalot (1998: 157)</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |