249 lines
38 KiB
XML
249 lines
38 KiB
XML
<document id="A8BAF577A76AEA8E20EA1B8353B8CCAB" ID-DOI="10.11646/phytotaxa.326.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13699655" 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.treatments_approvedBy="felipe" checkinTime="1725572762022" checkinUser="felipe" docAuthor="Kennedy, Bryan & Allott, Norman" docDate="2017" docId="03EECE1F4E6CFFF401EAFC9CFB8AAE65" docLanguage="en" docName="phytotaxa.326.1.1.pdf" docOrigin="Phytotaxa 326 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.326.1.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Brachysira conamarae Kennedy & Allott 2017, sp. nov." docType="treatment" docVersion="2" lastPageNumber="12" masterDocId="FFD7B6674E65FFFF0162FFEFFFB5AF41" masterDocTitle="A review of the genus Brachysira in Ireland with the description of Brachysira praegeri and Brachysira conamarae, new raphid diatoms (Bacillariophyceae) from high status waterbodies" masterLastPageNumber="27" masterPageNumber="1" pageNumber="10" updateTime="1725582422830" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="ED868C1D113DF706D642E29FCCE21FB5">A review of the genus Brachysira in Ireland with the description of Brachysira praegeri and Brachysira conamarae, new raphid diatoms (Bacillariophyceae) from high status waterbodies</mods:title>
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<mods:namePart id="9F161391732B89777EDF6966B11A40FA">Kennedy, Bryan</mods:namePart>
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<mods:namePart id="C22752A88D9F63ECD1E2918CD8715EC9">Allott, Norman</mods:namePart>
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<mods:title id="00946132D2AB27853039BCD2BA71485F">Phytotaxa</mods:title>
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<mods:part id="A6AD733484BE3021F5DE1D6B049B0516">
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<mods:date id="7CB1A54D47A1229B4D02392C1991BCE7">2017</mods:date>
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<mods:number id="8CEEE73947DC5CC7D0D8AEB84F5AD884">2017-10-20</mods:number>
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<mods:number id="0638DFEE9F5C2158C16B34428956F6F4">326</mods:number>
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<mods:url id="08A052598D141E19EC1DDEB702462133">http://dx.doi.org/10.11646/phytotaxa.326.1.1</mods:url>
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<mods:identifier id="FD57D10AD36369EC795F50BA410906E0" type="DOI">10.11646/phytotaxa.326.1.1</mods:identifier>
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<mods:identifier id="B0426462EBD430DF9F92A7E0463340C2" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03EECE1F4E6CFFF401EAFC9CFB8AAE65" LSID="urn:lsid:plazi:treatment:03EECE1F4E6CFFF401EAFC9CFB8AAE65" httpUri="http://treatment.plazi.org/id/03EECE1F4E6CFFF401EAFC9CFB8AAE65" lastPageId="11" lastPageNumber="12" pageId="9" pageNumber="10">
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<subSubSection id="C35D2C824E6CFFF601EAFC9CFCECACCF" box="[136,857,883,910]" pageId="9" pageNumber="10" type="nomenclature">
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<paragraph id="8BF87F094E6CFFF601EAFC9CFCECACCF" blockId="9.[136,857,883,910]" box="[136,857,883,910]" pageId="9" pageNumber="10">
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<heading id="D0B0C8654E6CFFF601EAFC9CFCECACCF" box="[136,857,883,910]" fontSize="11" level="2" pageId="9" pageNumber="10" reason="3">
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<taxonomicName id="4C47048A4E6CFFF601EAFC9CFDD7ACCF" authority="Kennedy & Allott" authorityName="Kennedy & Allott" authorityYear="2017" box="[136,610,883,910]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="conamarae" status="sp. nov.">
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<emphasis id="B933A31B4E6CFFF601EAFC9CFE25ACCF" bold="true" box="[136,400,883,910]" italics="true" pageId="9" pageNumber="10">Brachysira conamarae</emphasis>
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Kennedy & Allott
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</taxonomicName>
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,
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<emphasis id="B933A31B4E6CFFF6030FFC9AFD77ACCF" box="[621,706,885,910]" italics="true" pageId="9" pageNumber="10">
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<taxonomicNameLabel id="A2001E604E6CFFF6030FFC9AFD77ACCF" box="[621,706,885,910]" pageId="9" pageNumber="10" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="137C638C4E6CFFF603B2FC9AFCE4ACCF" box="[720,849,885,910]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 25–33</figureCitation>
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)
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</heading>
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C35D2C824E6CFFF601EAFC73FAD6A957" pageId="9" pageNumber="10" type="materials_examined">
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<paragraph id="8BF87F094E6CFFF601EAFC73FB84ACB8" blockId="9.[136,1451,924,1017]" pageId="9" pageNumber="10">
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<emphasis id="B933A31B4E6CFFF601EAFC73FF0FACF0" bold="true" box="[136,186,924,945]" pageId="9" pageNumber="10">Type</emphasis>
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:—
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<materialsCitation id="3B2F75544E6CFFF601B5FC73FB98ACB8" collectingDate="2007-04-19" collectionCode="TCD" collectorName="B. Kennedy" country="Ireland" elevation="44" latitude="53.474396" location="Lough Maumwee" longLatPrecision="1" longitude="-9.540914" pageId="9" pageNumber="10" specimenCode="TCD0018138" specimenCount="2" stateProvince="Galway" typeStatus="holotype">
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<collectingCountry id="F3503F994E6CFFF601B5FC73FEF3ACF0" box="[215,326,924,945]" name="Ireland" pageId="9" pageNumber="10">IRELAND</collectingCountry>
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. Co.
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<collectingRegion id="4983B1EB4E6CFFF60019FC73FE7CACF0" box="[379,457,924,945]" country="Ireland" name="Galway" pageId="9" pageNumber="10">Galway</collectingRegion>
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:
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<location id="8E9829D24E6CFFF600B7FC73FD31ACF0" LSID="urn:lsid:plazi:treatment:03EECE1F4E6CFFF401EAFC9CFB8AAE65:8E9829D24E6CFFF600B7FC73FD31ACF0" box="[469,644,924,945]" country="Ireland" latitude="53.474396" longLatPrecision="1" longitude="-9.540914" name="Lough Maumwee" pageId="9" pageNumber="10" stateProvince="Galway">Lough Maumwee</location>
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, degrees
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<geoCoordinate id="EE7319CE4E6CFFF60383FC73FCC6ACF0" box="[737,883,924,945]" degrees="53.47439656" direction="north" orientation="latitude" pageId="9" pageNumber="10" precision="1" value="53.474396">53.47439656N</geoCoordinate>
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,
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<geoCoordinate id="EE7319CE4E6CFFF6021DFC73FBBCACF0" box="[895,1033,924,945]" degrees="9.54091316" direction="west" orientation="longitude" pageId="9" pageNumber="10" precision="1" value="-9.540914">9.54091316W</geoCoordinate>
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, elev.
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<quantity id="4CBFD2EC4E6CFFF6052BFC73FB25ACF0" box="[1097,1168,924,945]" metricMagnitude="1" metricUnit="m" metricValue="4.43" pageId="9" pageNumber="10" unit="m" value="44.3">
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<elevation id="006A983A4E6CFFF6052BFC73FB25ACF0" box="[1097,1168,924,945]" metricMagnitude="1" metricUnit="m" metricValue="4.43" pageId="9" pageNumber="10" unit="m" value="44.3">44.3 m</elevation>
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</quantity>
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, coll.
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<collectorName id="26B21ADF4E6CFFF605ADFC73FAF0ACF0" box="[1231,1349,924,945]" pageId="9" pageNumber="10">B. Kennedy</collectorName>
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, coll. date
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<date id="FFF959C94E6CFFF601DFFC2FFEFEAC94" box="[189,331,960,981]" pageId="9" pageNumber="10" value="2007-04-19">
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<collectingDate id="EFBDA0214E6CFFF601DFFC2FFEFEAC94" box="[189,331,960,981]" pageId="9" pageNumber="10" value="2007-04-19">19 April 2007</collectingDate>
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</date>
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. (
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<typeStatus id="54FCC1AB4E6CFFF6003FFC2FFE0EAC94" box="[349,443,960,981]" pageId="9" pageNumber="10" type="holotype">Holotype</typeStatus>
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: specimen here designated Finder: L 60N2 (The England
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<superScript id="7C32D2414E6CFFF60298FC2FFBFBAC8B" attach="left" box="[1018,1102,958,981]" fontSize="5" pageId="9" pageNumber="10">FinderTM</superScript>
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Graticule)
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<specimenCode id="DBE1D7724E6CFFF605A2FC2FFAF3AC94" box="[1216,1350,960,981]" collectionCode="TCD" country="Ireland" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14233" lsid="urn:lsid:biocol.org:col:14233" name="Trinity College" pageId="9" pageNumber="10" type="Herbarium">TCD0018138</specimenCode>
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,
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<typeStatus id="54FCC1AB4E6CFFF60430FC2FFA1EAC94" box="[1362,1451,960,981]" pageId="9" pageNumber="10" type="holotype">Holotype</typeStatus>
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||
illustrated in
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||
<figureCitation id="137C638C4E6CFFF6005EFC0BFE36ACB8" box="[316,387,996,1017]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Fig. 25</figureCitation>
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; type, sample ZU 10/79, Hustedt Collection, Alfred Wegener Institute)
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</materialsCitation>
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.
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</paragraph>
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||
<paragraph id="8BF87F094E6CFFF601EAFBC6FAD6A957" blockId="9.[136,1452,1065,2062]" pageId="9" pageNumber="10">
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||
<emphasis id="B933A31B4E6CFFF601EAFBC6FEA7AB03" bold="true" box="[136,274,1065,1090]" pageId="9" pageNumber="10">
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LM &
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<collectionCode id="ED56E7CC4E6CFFF601B7FBC6FEA7AB03" box="[213,274,1065,1090]" pageId="9" pageNumber="10">SEM</collectionCode>
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</emphasis>
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||
(
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<figureCitation id="137C638C4E6CFFF6007CFBC6FE2EAB03" box="[286,411,1065,1090]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 25–33</figureCitation>
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):—Cells solitary.Valves lanceolate, tapering uniformly to weakly or hardly protracted rounded apices. Valve dimensions (n=15): length 23–40.0 μm, width 5–6 μm. Axial area narrow linear, sometimes appearing more prominent (
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<figureCitation id="137C638C4E6CFFF6002EFB9EFE64ABCB" box="[332,465,1137,1162]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 26–27</figureCitation>
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). Central area indistinctly lanceolate and only slightly wider than axial area. Valve face flat, surrounded by an elevated ridge, thickened near valve apices (
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<figureCitation id="137C638C4E6CFFF602F4FB7AFBFCABEF" box="[918,1097,1173,1198]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 28–30, 33</figureCitation>
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). Raphe straight, filiform with simple, straight, slightly punctiform proximal raphe endings. Distal raphe endings
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<collectionCode id="ED56E7CC4E6CFFF60557FB56FBF3AB93" box="[1077,1094,1209,1234]" name="Tavera, Department of Geology and Geophysics" pageId="9" pageNumber="10">T</collectionCode>
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–shaped with straight branches. Raphe branches bordered by a thickening of the axial area, lacking clear ribs, only slightly more prominent towards apices (
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<figureCitation id="137C638C4E6CFFF601BEFAEEFEEBAA5B" box="[220,350,1281,1306]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 28–30</figureCitation>
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). Striae lineate, uniseriate, radiate at center parallel to weakly convergent at apices,
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<quantity id="4CBFD2EC4E6CFFF60594FAEEFAEDAA5B" box="[1270,1368,1281,1306]" metricMagnitude="-1" metricUnit="m" metricValue="9.017" metricValueMax="9.398" metricValueMin="8.636" pageId="9" pageNumber="10" unit="in" value="35.5" valueMax="37.0" valueMin="34.0">34–37 in</quantity>
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||
10 μm. Striae composed of 2–3 transapically elongated areolae, similar or dissimilar in length, decreasing in number both at valve centre and apices. A single elongate areola per stria occasionally at valve centre. Voigt discontinuity not observed. Irregular gaps present between areolae producing discontinuous apically running hyaline undulations, especially prominent towards mid-valve. Small narrowly pointed papillae present on interstriae, usually 4–5 per interstriae at valve centre, reducing to a single papilla at apices. Papillae occasionally irregularly dispersed over central or axial area along full length of raphe and in close proximity to it (
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<figureCitation id="137C638C4E6CFFF603BDFA36FCD7AAB3" box="[735,866,1497,1522]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 27–32</figureCitation>
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). Single elongate bacilliform areola, lacking papillae on mantle. Areolae foramina with small indentations. Around apices, mantle striae close together (
|
||
<figureCitation id="137C638C4E6CFFF605B6FA12FAEDA957" box="[1236,1368,1533,1558]" captionStart="FIGURES 25–33" captionStartId="10.[136,243,1888,1909]" captionTargetBox="[151,1436,353,1862]" captionTargetId="figure-105@10.[151,1436,353,1862]" captionTargetPageId="10" captionText="FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="9" pageNumber="10">Figs 28–30</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35D2C824E6CFFF501DFF9CEFCF6AE08" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10" type="etymology">
|
||
<paragraph id="8BF87F094E6CFFF601DFF9CEFC64A91F" blockId="9.[136,1452,1065,2062]" pageId="9" pageNumber="10">
|
||
<emphasis id="B933A31B4E6CFFF601DFF9CEFE8BA97B" bold="true" box="[189,318,1569,1594]" pageId="9" pageNumber="10">Etymology</emphasis>
|
||
:—The specific epithet refers to the original Irish spelling (
|
||
<emphasis id="B933A31B4E6CFFF602B0F9CEFBFFA97B" box="[978,1098,1569,1594]" italics="true" pageId="9" pageNumber="10">Conamara</emphasis>
|
||
) of Connemara, a mountainous region in Co.
|
||
<collectingRegion id="4983B1EB4E6CFFF60040F9AAFECCA91F" box="[290,377,1605,1630]" country="Ireland" name="Galway" pageId="9" pageNumber="10">Galway</collectingRegion>
|
||
in western
|
||
<collectingCountry id="F3503F994E6CFFF60099F9AAFDFFA91F" box="[507,586,1605,1630]" name="Ireland" pageId="9" pageNumber="10">Ireland</collectingCountry>
|
||
where the species was discovered.
|
||
</paragraph>
|
||
<paragraph id="8BF87F094E6CFFF501DFF986FCF6AE08" blockId="9.[136,1452,1065,2062]" lastBlockId="10.[136,1452,160,329]" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
|
||
<emphasis id="B933A31B4E6CFFF601DFF986FEC4A9C3" bold="true" box="[189,369,1641,1666]" pageId="9" pageNumber="10">Similar species</emphasis>
|
||
:—The comparable size and stria density of larger valves of the
|
||
<taxonomicName id="4C47048A4E6CFFF6053DF986FAAFA9C3" authorityName="Compere" authorityYear="1986" baseAuthorityName="Grunow" box="[1119,1306,1641,1666]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="microcephala">
|
||
<emphasis id="B933A31B4E6CFFF6053DF986FAAFA9C3" box="[1119,1306,1641,1666]" italics="true" pageId="9" pageNumber="10">B. microcephala</emphasis>
|
||
</taxonomicName>
|
||
morphotype reported here (BMIC-2;
|
||
<figureCitation id="137C638C4E6CFFF600C0F962FD8AA9E7" box="[418,575,1677,1702]" captionStart="FIGURES 173–205" captionStartId="18.[136,243,1593,1614]" captionTargetBox="[151,1436,191,1568]" captionTargetId="figure-18@18.[151,1436,190,1568]" captionTargetPageId="18" captionText="FIGURES 173–205. Brachysira microcephala morphotype BMIC-2. Figs 173–197. LM. Figs. 198–205. SEM. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13699691" httpUri="https://zenodo.org/record/13699691/files/figure.png" pageId="9" pageNumber="10">Figs 173–205</figureCitation>
|
||
) makes it difficult to separate
|
||
<taxonomicName id="4C47048A4E6CFFF602C1F962FBF7A9E7" authorityName="Kennedy & Allott" authorityYear="2017" box="[931,1090,1677,1702]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="conamarae">
|
||
<emphasis id="B933A31B4E6CFFF602C1F962FBF7A9E7" box="[931,1090,1677,1702]" italics="true" pageId="9" pageNumber="10">B. conamarae</emphasis>
|
||
</taxonomicName>
|
||
with LM alone. An absence of siliceous ribs bordering the raphe is the principal ultrastructural characteristic separating it from this closely related taxon and is only discernible with SEM. The range in stria density overlaps with BMIC-2. Conspecificity with
|
||
<taxonomicName id="4C47048A4E6CFFF604F1F93AFF55A853" authorityName="Lange-Bertalot & Moser" authorityYear="1994" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="procera">
|
||
<emphasis id="B933A31B4E6CFFF604F1F93AFF55A853" italics="true" pageId="9" pageNumber="10">B. procera</emphasis>
|
||
</taxonomicName>
|
||
can be ruled out based on a coarser stria density (27–30 vs. 34–37 10 μm in
|
||
<taxonomicName id="4C47048A4E6CFFF60505F916FAB2A853" authorityName="Kennedy & Allott" authorityYear="2017" box="[1127,1287,1785,1810]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="conamarae">
|
||
<emphasis id="B933A31B4E6CFFF60505F916FAB2A853" box="[1127,1287,1785,1810]" italics="true" pageId="9" pageNumber="10">B. conamarae</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<taxonomicName id="4C47048A4E6CFFF60443F916FA19A853" authorityName="Lange-Bertalot" authorityYear="1994" baseAuthorityName="Lange-Bertalot & Krammer" box="[1313,1452,1785,1810]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="garrensis">
|
||
<emphasis id="B933A31B4E6CFFF60443F916FA19A853" box="[1313,1452,1785,1810]" italics="true" pageId="9" pageNumber="10">B. garrensis</emphasis>
|
||
</taxonomicName>
|
||
also has significantly reduced ribs bordering the raphe relative to other
|
||
<taxonomicName id="4C47048A4E6CFFF602DBF8F2FB80A877" authorityName="Kutzing" authorityYear="1836" box="[953,1077,1821,1846]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="B933A31B4E6CFFF602DBF8F2FB80A877" box="[953,1077,1821,1846]" italics="true" pageId="9" pageNumber="10">Brachysira</emphasis>
|
||
</taxonomicName>
|
||
, but the valves of
|
||
<taxonomicName id="4C47048A4E6CFFF6046FF8F2FA1EA877" authorityName="Kennedy & Allott" authorityYear="2017" box="[1293,1451,1821,1846]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="conamarae">
|
||
<emphasis id="B933A31B4E6CFFF6046FF8F2FA1EA877" box="[1293,1451,1821,1846]" italics="true" pageId="9" pageNumber="10">B. conamarae</emphasis>
|
||
</taxonomicName>
|
||
are much larger and possess abundant papillae between the coarser striae which are lacking in the former species.
|
||
<taxonomicName id="4C47048A4E6CFFF604F1F8AEFD8FA83F" authority="Vouilloud et al. (2014: 152)" authorityName="Vouilloud" authorityPageNumber="152" authorityYear="2014" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="guarrerai">
|
||
<emphasis id="B933A31B4E6CFFF604F1F8AEFF41A83F" italics="true" pageId="9" pageNumber="10">B. guarrerai</emphasis>
|
||
<bibRefCitation id="EFD602F84E6CFFF6019EF88AFD8FA83F" author="Vouilloud, A. A. & Sala, S. E. & Nunez-Avellaneda, M. & Montoya-Moreno, Y. & Duque, S. R." box="[252,570,1893,1918]" pageId="9" pageNumber="10" pagination="147 - 163" refId="ref15296" refString="Vouilloud, A. A., Sala, S. E., Nunez-Avellaneda, M., Montoya-Moreno, Y. & Duque, S. R. (2014) Brachysira (Naviculales, Bacillariophyceae) in lowland waters from Colombia. Diatom Research 29 (2): 147 - 163. https: // doi. org / 10.1080 / 0269249 X. 2013.866909" type="journal article" year="2014">
|
||
Vouilloud
|
||
<emphasis id="B933A31B4E6CFFF60011F88AFE18A83F" box="[371,429,1893,1918]" italics="true" pageId="9" pageNumber="10">et al.</emphasis>
|
||
(2014: 152)
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
notably possesses only a single prominent rib with omission of the rib at the junction between the valve face and mantle. It also lacks papillae and has a more protracted outline. The absence of transapical ribs bordering the raphe is a feature of the morphology of
|
||
<taxonomicName id="4C47048A4E6CFFF602C1F842FA98A887" authority="Lange-Bertalot" authorityName="Lange-Bertalot" authorityYear="1994" box="[931,1325,1965,1990]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="lecohui">
|
||
<emphasis id="B933A31B4E6CFFF602C1F842FBCFA887" box="[931,1146,1965,1990]" italics="true" pageId="9" pageNumber="10">Brachysira lecohui</emphasis>
|
||
Lange-Bertalot
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation id="EFD602F84E6CFFF6043EF842FE77A8AB" author="Lange-Bertalot, H. & Moser, G." pageId="9" pageNumber="10" pagination="1 - 212" refId="ref13378" refString="Lange-Bertalot, H. & Moser, G. (1994) Brachysira Monographie der Gattung. Bibliotheca Diatomologica 29: 1 - 212." type="journal article" year="1994">Lange-Bertalot & Moser 1994: 39</bibRefCitation>
|
||
) but stria density is lower and a lack of papillae and other features of its ultrastructure prevent confusion with this taxon.
|
||
<bibRefCitation id="EFD602F84E6CFFF60375F81AFD4FA74F" author="Wang, Y. F. & Wu, J. T." box="[535,762,2037,2062]" pageId="9" pageNumber="10" pagination="40 - 56" refId="ref15365" refString="Wang, Y. F. & Wu, J. T. (2005) Diatoms of the Mysterious Lake, Taiwan. Taiwania 50: 40 - 56." type="journal article" year="2005">Wang & Wu (2005)</bibRefCitation>
|
||
provide an SEM micrograph for the heteropolar
|
||
<taxonomicName id="4C47048A4E6CFFF5044DF81AFC8DAFF8" authority="Moser, Lange-Bertalot & Metzeltin (1998: 101)" authorityName="Moser, Lange-Bertalot & Metzeltin" authorityPageNumber="101" authorityYear="1998" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" lastPageId="10" lastPageNumber="11" order="Naviculales" pageId="9" pageNumber="10" phylum="Bacillariophyta" rank="species" species="steindorfiana">
|
||
<emphasis id="B933A31B4E6CFFF5044DF81AFEA8AFF8" italics="true" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">Brachysira steindorfiana</emphasis>
|
||
<bibRefCitation id="EFD602F84E6FFFF50046FF4FFC8DAFF8" author="Moser, G. & Lange-Bertalot, H. & Metzeltin, D." box="[292,824,160,185]" pageId="10" pageNumber="11" pagination="1 - 464" refId="ref13746" refString="Moser, G., Lange-Bertalot, H. & Metzeltin, D. (1998) Insel der Endemiten Geobotanisches Phanomen Neukaledonien (Island of endemics New Caledonia - a geobotanical phenomenon). Bibliotheca Diatomologica 38: 1 - 464." type="journal article" year="1998">Moser, Lange-Bertalot & Metzeltin (1998: 101)</bibRefCitation>
|
||
</taxonomicName>
|
||
with a similar absence of silica ribs bordering the raphe, but the morphology of this taxon does not otherwise resemble
|
||
<taxonomicName id="4C47048A4E6FFFF50204FF2BFBB2AF9C" authorityName="Kennedy & Allott" authorityYear="2017" box="[870,1031,196,221]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="11" phylum="Bacillariophyta" rank="species" species="conamarae">
|
||
<emphasis id="B933A31B4E6FFFF50204FF2BFBB2AF9C" box="[870,1031,196,221]" italics="true" pageId="10" pageNumber="11">B. conamarae</emphasis>
|
||
</taxonomicName>
|
||
. While the presence of conspicuous papillae along the axial area has been observed for other taxa (e.g.
|
||
<emphasis id="B933A31B4E6FFFF50209FF07FBCBAE40" box="[875,1150,232,257]" italics="true" pageId="10" pageNumber="11">
|
||
<taxonomicName id="4C47048A4E6FFFF50209FF07FB97AE40" authorityName="Lange-Bertalot & Gerd Moser" authorityYear="1994" box="[875,1058,232,257]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="11" phylum="Bacillariophyta" rank="species" species="australofollis">B. australofollis</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C47048A4E6FFFF5054EFF07FBCBAE40" authorityName="Lange-Bertalot" authorityYear="1994" box="[1068,1150,232,257]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="11" phylum="Bacillariophyta" rank="species" species="julio">B. julio</taxonomicName>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C47048A4E6FFFF505D1FF07FA8FAE40" authorityName="Lange-Bertalot" authorityYear="1994" box="[1203,1338,232,257]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="11" phylum="Bacillariophyta" rank="species" species="nubigena">
|
||
<emphasis id="B933A31B4E6FFFF505D1FF07FA8FAE40" box="[1203,1338,232,257]" italics="true" pageId="10" pageNumber="11">B. nubigena</emphasis>
|
||
</taxonomicName>
|
||
in
|
||
<bibRefCitation id="EFD602F84E6FFFF5043EFF07FE77AE64" author="Lange-Bertalot, H. & Moser, G." pageId="10" pageNumber="11" pagination="1 - 212" refId="ref13378" refString="Lange-Bertalot, H. & Moser, G. (1994) Brachysira Monographie der Gattung. Bibliotheca Diatomologica 29: 1 - 212." type="journal article" year="1994">Lange-Bertalot & Moser 1994: 17</bibRefCitation>
|
||
, 37, 54) they were also occasionally absent in
|
||
<taxonomicName id="4C47048A4E6FFFF50282FEE3FBCAAE64" authorityName="Kennedy & Allott" authorityYear="2017" box="[992,1151,268,293]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="11" phylum="Bacillariophyta" rank="species" species="conamarae">
|
||
<emphasis id="B933A31B4E6FFFF50282FEE3FBCAAE64" box="[992,1151,268,293]" italics="true" pageId="10" pageNumber="11">B. conamarae</emphasis>
|
||
</taxonomicName>
|
||
. A difference in the valve outline and denser striae easily separates it from these species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF382F814E6FFFF501EAF88FFB61A744" ID-DOI="http://doi.org/10.5281/zenodo.13699663" ID-Zenodo-Dep="13699663" httpUri="https://zenodo.org/record/13699663/files/figure.png" pageId="10" pageNumber="11" startId="10.[136,243,1888,1909]" targetBox="[151,1436,353,1862]" targetPageId="10" targetType="figure">
|
||
<paragraph id="8BF87F094E6FFFF501EAF88FFB61A744" blockId="10.[136,1452,1888,2053]" pageId="10" pageNumber="11">
|
||
<emphasis id="B933A31B4E6FFFF501EAF88FFE89A834" bold="true" box="[136,316,1888,1909]" pageId="10" pageNumber="11">FIGURES 25–33.</emphasis>
|
||
<taxonomicName id="4C47048A4E6FFFF50023F88FFDABA834" authorityName="Kennedy & Allott" authorityYear="2017" box="[321,542,1888,1909]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="11" phylum="Bacillariophyta" rank="species" species="conamarae" status="sp. nov.">
|
||
<emphasis id="B933A31B4E6FFFF50023F88FFDABA834" box="[321,542,1888,1909]" italics="true" pageId="10" pageNumber="11">Brachysira conamarae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2001E604E6FFFF50347F88FFDC5A834" box="[549,624,1888,1909]" pageId="10" pageNumber="11" rank="species">sp. nov.</taxonomicNameLabel>
|
||
Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C35D2C824E6EFFF401DFFF70FB8AAE65" pageId="11" pageNumber="12" type="distribution">
|
||
<paragraph id="8BF87F094E6EFFF401DFFF70FA19AFF9" blockId="11.[136,1452,159,292]" box="[189,1452,159,184]" pageId="11" pageNumber="12">
|
||
<emphasis id="B933A31B4E6EFFF401DFFF70FE6CAFF9" bold="true" box="[189,473,159,184]" pageId="11" pageNumber="12">Distribution & Ecology</emphasis>
|
||
:—
|
||
<taxonomicName id="4C47048A4E6EFFF4009FFF70FCB4AFF9" authorityName="Kennedy & Allott" authorityYear="2017" box="[509,769,159,184]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="conamarae">
|
||
<emphasis id="B933A31B4E6EFFF4009FFF70FCB4AFF9" box="[509,769,159,184]" italics="true" pageId="11" pageNumber="12">Brachysira conamarae</emphasis>
|
||
</taxonomicName>
|
||
has been found so far as occasional valves in two lakes in
|
||
</paragraph>
|
||
<paragraph id="8BF87F094E6EFFF401EAFF2CFB8AAE65" blockId="11.[136,1452,159,292]" pageId="11" pageNumber="12">
|
||
Connemara, Co.
|
||
<collectingRegion id="4983B1EB4E6EFFF40024FF2CFE2AAF9D" box="[326,415,195,220]" country="Ireland" name="Galway" pageId="11" pageNumber="12">Galway</collectingRegion>
|
||
. It co-occurs with
|
||
<taxonomicName id="4C47048A4E6EFFF4030DFF2CFD5AAF9D" authorityName="Kennedy & Allott" authorityYear="2017" box="[623,751,195,220]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="praegeri">
|
||
<emphasis id="B933A31B4E6EFFF4030DFF2CFD5AAF9D" box="[623,751,195,220]" italics="true" pageId="11" pageNumber="12">B. praegeri</emphasis>
|
||
</taxonomicName>
|
||
and is associated with the same diatom flora as this species. It occurs in near-pristine waters of low alkalinity which are slightly acidic (alkalinity=5.0 mg/l CaCO
|
||
<subScript id="17C37D4C4E6EFFF40591FF17FB4EAE47" attach="left" box="[1267,1275,248,262]" fontSize="6" pageId="11" pageNumber="12">3</subScript>
|
||
, mean pH=6.8, min. pH=6.4) and low colour (Hazen=29) with nutrients below the limit of detection.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |