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<document id="6AF139D59FDA84584366AC127A7360C1" ID-DOI="10.11646/phytotaxa.344.1.5" ID-ISSN="1179-3163" ID-Zenodo-Dep="13720692" 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="1725660209715" checkinUser="felipe" docAuthor="Liu, Bing, Williams, David M. &amp; Liu, Qingyu" docDate="2018" docId="1116CF662854E65222E2FCCDFD1BAB23" docLanguage="en" docName="phytotaxa.344.1.5.pdf" docOrigin="Phytotaxa 344 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.344.1.5" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Cymbella distalebiseriata Bing Liu et D. M. Williams 2018, sp. nov." docType="treatment" docVersion="3" lastPageNumber="44" masterDocId="ED2FB71E2856E657226AFFA8FFDFA94A" masterDocTitle="A new species of Cymbella (Cymbellaceae, Bacillariophyceae) from China, possessing valves with both uniseriate and biseriate striae" masterLastPageNumber="46" masterPageNumber="39" pageNumber="41" updateTime="1725671777419" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="651A759EA93E200D8603F44F5FBA7E8C">A new species of Cymbella (Cymbellaceae, Bacillariophyceae) from China, possessing valves with both uniseriate and biseriate striae</mods:title>
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<mods:namePart id="1B153B9D304D2FEB7F3CF44CA330CAE1">Liu, Bing</mods:namePart>
<mods:affiliation id="01D8F106D7F3C5ED5C68EFEABD4520D2">Key Laboratory for Ecotourism of Hunan Province and College of Biology and Environmental Science, Jishou University, Jishou 416000, China.</mods:affiliation>
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<mods:affiliation id="A5A4405E3ABFAEE5368A65DE29BFD9C7">Department of Life Sciences, The Natural History Museum, Cromwell Road, London SW 7 5 BD, United Kingdom.</mods:affiliation>
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<mods:namePart id="6027AE8DF1568A3CC6C30EC03AE257EC">Liu, Qingyu</mods:namePart>
<mods:affiliation id="2C0466BB050CB1A1729925F0D3B3522F">Key Laboratory for Ecotourism of Hunan Province and College of Biology and Environmental Science, Jishou University, Jishou 416000, China.</mods:affiliation>
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<treatment id="1116CF662854E65222E2FCCDFD1BAB23" ID-DOI="http://doi.org/10.5281/zenodo.13720880" ID-Zenodo-Dep="13720880" LSID="urn:lsid:plazi:treatment:1116CF662854E65222E2FCCDFD1BAB23" httpUri="http://treatment.plazi.org/id/1116CF662854E65222E2FCCDFD1BAB23" lastPageId="5" lastPageNumber="44" pageId="2" pageNumber="41">
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<paragraph id="99007E702854E65522E2FCCDFC04AACA" blockId="2.[136,987,869,896]" box="[136,987,869,896]" pageId="2" pageNumber="41">
<heading id="C248C91C2854E65522E2FCCDFC04AACA" bold="true" box="[136,987,869,896]" fontSize="11" level="1" pageId="2" pageNumber="41" reason="1">
<emphasis id="ABCBA2622854E65522E2FCCDFC04AACA" bold="true" box="[136,987,869,896]" pageId="2" pageNumber="41">
<taxonomicName id="5EBF05F32854E65522E2FCCDFD31AACA" authority="Bing Liu et D.M. Williams" authorityName="Bing Liu et D. M. Williams" authorityYear="2018" box="[136,750,869,896]" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="2" pageNumber="41" phylum="Ochrophyta" rank="species" species="distalebiseriata" status="sp. nov.">
<emphasis id="ABCBA2622854E65522E2FCCDFE75AACA" bold="true" box="[136,426,869,896]" italics="true" pageId="2" pageNumber="41">Cymbella distalebiseriata</emphasis>
Bing Liu et D.M. Williams
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,
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<taxonomicNameLabel id="B0F81F192854E6552090FCCEFC8FAACA" box="[762,848,870,896]" pageId="2" pageNumber="41" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="018462F52854E6552135FCCFFC0CAACA" box="[863,979,871,896]" captionStart-0="FIGURES 114" captionStart-1="FIGURES 1518" captionStart-2="FIGURES 1922" captionStart-3="FIGURES 2331" captionStart-4="FIGURES 3236" captionStart-5="FIGURES 3740" captionStartId-0="1.[136,243,1416,1437]" captionStartId-1="2.[136,243,1957,1978]" captionStartId-2="3.[136,243,1005,1026]" captionStartId-3="3.[136,243,1985,2006]" captionStartId-4="4.[136,243,1313,1334]" captionStartId-5="5.[136,243,1772,1793]" captionTargetBox-0="[174,1413,314,1387]" captionTargetBox-1="[408,1179,921,1931]" captionTargetBox-2="[344,1243,190,980]" captionTargetBox-3="[344,1243,1088,1960]" captionTargetBox-4="[344,1243,190,1288]" captionTargetBox-5="[344,1243,641,1747]" captionTargetId-0="figure-81@1.[174,1414,314,1387]" captionTargetId-1="figure-178@2.[408,1179,920,1931]" captionTargetId-2="figure-14@3.[344,1244,190,980]" captionTargetId-3="figure-48@3.[344,1244,1087,1960]" captionTargetId-4="figure-18@4.[344,1244,190,1288]" captionTargetId-5="figure-211@5.[344,1244,641,1747]" captionTargetPageId-0="1" captionTargetPageId-1="2" captionTargetPageId-2="3" captionTargetPageId-3="3" captionTargetPageId-4="4" captionTargetPageId-5="5" captionText-0="FIGURES 114. Cymbella distalebiseriata sp. nov., LM. 114. Fourteen valves showing size diminution series. 3. Micrograph of holotype specimen. 5. Micrograph of isotype specimen. Scale bar =10 μm (in Fig. 1) for all figures." captionText-1="FIGURES 1518. Cymbella distalebiseriata sp. nov., frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718)." captionText-2="FIGURES 1922. Cymbella distalebiseriata sp. nov., external view, SEM. 1922. Four valves showing valve outline, raphe shape and some biseriate striae distributed near both apices (arrows). Scale bars =10 μm." captionText-3="FIGURES 2331. Cymbella distalebiseriata sp. nov., external view, SEM. 2331. Nine apices showing details of biseriate striae. Scale bars = 5 μm." captionText-4="FIGURES 3236. Cymbella distalebiseriata sp. nov., internal view, SEM. 32. A whole valve. 3336. Four central parts of the valves, showing two to three stigmata (curved arrows) and obscured intermission (arrows). Scale bars =10 μm (32), 5 μm (3336)." captionText-5="FIGURES 3740. Cymbella distalebiseriata sp. nov., internal view, SEM. 3740. Four apices showing biseriate striae. Scale bars = 5 μm." figureDoi-0="http://doi.org/10.5281/zenodo.13720694" figureDoi-1="http://doi.org/10.5281/zenodo.13720698" figureDoi-2="http://doi.org/10.5281/zenodo.13720700" figureDoi-3="http://doi.org/10.5281/zenodo.13720702" figureDoi-4="http://doi.org/10.5281/zenodo.13720706" figureDoi-5="http://doi.org/10.5281/zenodo.13720708" httpUri-0="https://zenodo.org/record/13720694/files/figure.png" httpUri-1="https://zenodo.org/record/13720698/files/figure.png" httpUri-2="https://zenodo.org/record/13720700/files/figure.png" httpUri-3="https://zenodo.org/record/13720702/files/figure.png" httpUri-4="https://zenodo.org/record/13720706/files/figure.png" httpUri-5="https://zenodo.org/record/13720708/files/figure.png" pageId="2" pageNumber="41">Figs 140</figureCitation>
)
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</paragraph>
<caption id="CDC02EF82854E65522E2F80DFB09A148" ID-DOI="http://doi.org/10.5281/zenodo.13720698" ID-Zenodo-Dep="13720698" httpUri="https://zenodo.org/record/13720698/files/figure.png" pageId="2" pageNumber="41" startId="2.[136,243,1957,1978]" targetBox="[408,1179,921,1931]" targetPageId="2" targetType="figure">
<paragraph id="99007E702854E65522E2F80DFB09A148" blockId="2.[136,1452,1957,2050]" pageId="2" pageNumber="41">
<emphasis id="ABCBA2622854E65522E2F80DFEE4AEF0" bold="true" box="[136,315,1957,1978]" pageId="2" pageNumber="41">FIGURES 1518.</emphasis>
<emphasis id="ABCBA2622854E6552328F80DFD53AEF0" box="[322,652,1957,1978]" italics="true" pageId="2" pageNumber="41">
<taxonomicName id="5EBF05F32854E6552328F80DFDE5AEF0" authorityName="Liu &amp; Williams &amp; Liu" authorityYear="2018" box="[322,570,1957,1978]" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="2" pageNumber="41" phylum="Ochrophyta" rank="species" species="distalebiseriata" status="sp. nov.">Cymbella distalebiseriata</taxonomicName>
<taxonomicNameLabel id="B0F81F192854E6552028F80DFD53AEF0" box="[578,652,1957,1978]" pageId="2" pageNumber="41" rank="species">sp. nov.</taxonomicNameLabel>
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, frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718).
</paragraph>
</caption>
<caption id="CDC02EF82855E65422E2FC45FCA6AD6C" ID-DOI="http://doi.org/10.5281/zenodo.13720700" ID-Zenodo-Dep="13720700" httpUri="https://zenodo.org/record/13720700/files/figure.png" pageId="3" pageNumber="42" startId="3.[136,243,1005,1026]" targetBox="[344,1243,190,980]" targetPageId="3" targetType="figure">
<paragraph id="99007E702855E65422E2FC45FCA6AD6C" blockId="3.[136,1452,1005,1062]" pageId="3" pageNumber="42">
<emphasis id="ABCBA2622855E65422E2FC45FEE3AD48" bold="true" box="[136,316,1005,1026]" pageId="3" pageNumber="42">FIGURES 1922.</emphasis>
<taxonomicName id="5EBF05F32855E6542329FC45FDE4AD48" authorityName="Liu &amp; Williams &amp; Liu" authorityYear="2018" box="[323,571,1005,1026]" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="3" pageNumber="42" phylum="Ochrophyta" rank="species" species="distalebiseriata" status="sp. nov.">
<emphasis id="ABCBA2622855E6542329FC45FDE4AD48" box="[323,571,1005,1026]" italics="true" pageId="3" pageNumber="42">Cymbella distalebiseriata</emphasis>
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<taxonomicNameLabel id="B0F81F192855E6542029FC45FD52AD48" box="[579,653,1005,1026]" pageId="3" pageNumber="42" rank="species">
<emphasis id="ABCBA2622855E6542029FC45FD57AD48" box="[579,648,1005,1026]" italics="true" pageId="3" pageNumber="42">sp. nov</emphasis>
.
</taxonomicNameLabel>
, external view, SEM. 1922. Four valves showing valve outline, raphe shape and some biseriate striae distributed near both apices (arrows). Scale bars =10 μm.
</paragraph>
</caption>
<caption id="CDC02EF82855E65422E2F869FEDCAEB0" ID-DOI="http://doi.org/10.5281/zenodo.13720702" ID-Zenodo-Dep="13720702" httpUri="https://zenodo.org/record/13720702/files/figure.png" pageId="3" pageNumber="42" startId="3.[136,243,1985,2006]" targetBox="[344,1243,1088,1960]" targetPageId="3" targetType="figure">
<paragraph id="99007E702855E65422E2F869FEDCAEB0" blockId="3.[136,1452,1985,2042]" pageId="3" pageNumber="42">
<emphasis id="ABCBA2622855E65422E2F869FEE4AE9C" bold="true" box="[136,315,1985,2006]" pageId="3" pageNumber="42">FIGURES 2331.</emphasis>
<taxonomicName id="5EBF05F32855E6542328F869FDE5AE9C" authorityName="Liu &amp; Williams &amp; Liu" authorityYear="2018" box="[322,570,1985,2006]" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="3" pageNumber="42" phylum="Ochrophyta" rank="species" species="distalebiseriata" status="sp. nov.">
<emphasis id="ABCBA2622855E6542328F869FDE5AE9C" box="[322,570,1985,2006]" italics="true" pageId="3" pageNumber="42">Cymbella distalebiseriata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B0F81F192855E654202BF869FD54AE9C" box="[577,651,1985,2006]" pageId="3" pageNumber="42" rank="species">
<emphasis id="ABCBA2622855E654202BF869FD59AE9C" box="[577,646,1985,2006]" italics="true" pageId="3" pageNumber="42">sp. nov</emphasis>
.
</taxonomicNameLabel>
, external view, SEM. 2331. Nine apices showing details of biseriate striae. Scale bars = 5 μm.
</paragraph>
</caption>
<caption id="CDC02EF82852E65322E2FA89FAF8AC10" ID-DOI="http://doi.org/10.5281/zenodo.13720706" ID-Zenodo-Dep="13720706" httpUri="https://zenodo.org/record/13720706/files/figure.png" pageId="4" pageNumber="43" startId="4.[136,243,1313,1334]" targetBox="[344,1243,190,1288]" targetPageId="4" targetType="figure">
<paragraph id="99007E702852E65322E2FA89FAF8AC10" blockId="4.[136,1452,1313,1370]" pageId="4" pageNumber="43">
<emphasis id="ABCBA2622852E65322E2FA89FEE3AC7C" bold="true" box="[136,316,1313,1334]" pageId="4" pageNumber="43">FIGURES 3236.</emphasis>
<emphasis id="ABCBA2622852E653232EFA89FD4FAC7C" box="[324,656,1313,1334]" italics="true" pageId="4" pageNumber="43">
<taxonomicName id="5EBF05F32852E653232EFA89FDE2AC7C" authorityName="Liu &amp; Williams &amp; Liu" authorityYear="2018" box="[324,573,1313,1334]" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="4" pageNumber="43" phylum="Ochrophyta" rank="species" species="distalebiseriata" status="sp. nov.">Cymbella distalebiseriata</taxonomicName>
<taxonomicNameLabel id="B0F81F192852E653202FFA89FD4FAC7C" box="[581,656,1313,1334]" pageId="4" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, internal view, SEM. 32. A whole valve. 3336. Four central parts of the valves, showing two to three stigmata (curved arrows) and obscured intermission (arrows). Scale bars =10 μm (32), 5 μm (3336).
</paragraph>
</caption>
<paragraph id="99007E702852E65322E2FA23FF65ACEE" blockId="4.[136,1451,1419,1696]" box="[136,186,1419,1444]" pageId="4" pageNumber="43">LM:</paragraph>
</subSubSection>
<subSubSection id="D1A52DFB2852E65222E2FA07FF00A8DB" lastPageId="5" lastPageNumber="44" pageId="4" pageNumber="43" type="description">
<paragraph id="99007E702852E65322E2FA07FB56AFEA" blockId="4.[136,1451,1419,1696]" pageId="4" pageNumber="43">
Valves asymetrically lanceolate, strongly dorsiventral; dorsal side strongly convex, ventral side straight or slightly convex (
<figureCitation id="018462F52852E6532280FA7BFEBFACA6" box="[234,352,1491,1516]" captionStart="FIGURES 114" captionStartId="1.[136,243,1416,1437]" captionTargetBox="[174,1413,314,1387]" captionTargetId="figure-81@1.[174,1414,314,1387]" captionTargetPageId="1" captionText="FIGURES 114. Cymbella distalebiseriata sp. nov., LM. 114. Fourteen valves showing size diminution series. 3. Micrograph of holotype specimen. 5. Micrograph of isotype specimen. Scale bar =10 μm (in Fig. 1) for all figures." figureDoi="http://doi.org/10.5281/zenodo.13720694" httpUri="https://zenodo.org/record/13720694/files/figure.png" pageId="4" pageNumber="43">Figs 114</figureCitation>
); larger specimens slightly tumid at centre (
<figureCitation id="018462F52852E6532131FA7BFC1CACA6" box="[859,963,1491,1516]" captionStart="FIGURES 114" captionStartId="1.[136,243,1416,1437]" captionTargetBox="[174,1413,314,1387]" captionTargetId="figure-81@1.[174,1414,314,1387]" captionTargetPageId="1" captionText="FIGURES 114. Cymbella distalebiseriata sp. nov., LM. 114. Fourteen valves showing size diminution series. 3. Micrograph of holotype specimen. 5. Micrograph of isotype specimen. Scale bar =10 μm (in Fig. 1) for all figures." figureDoi="http://doi.org/10.5281/zenodo.13720694" httpUri="https://zenodo.org/record/13720694/files/figure.png" pageId="4" pageNumber="43">Figs 12</figureCitation>
). Apices not protracted, cuneate to bluntly rounded, subrostrate on some specimens; valve length 3862 μm, breadth 812 μm, maximal length/breadth ratio 5.6 (n = 29). Axial area narrow, linear, central area absent. Raphe located near valve centre, becoming filiform at terminal ends, reverse-lateral when approaching central ends (
<figureCitation id="018462F52852E6532083F997FC8FAF12" box="[745,848,1599,1624]" captionStart="FIGURES 114" captionStartId="1.[136,243,1416,1437]" captionTargetBox="[174,1413,314,1387]" captionTargetId="figure-81@1.[174,1414,314,1387]" captionTargetPageId="1" captionText="FIGURES 114. Cymbella distalebiseriata sp. nov., LM. 114. Fourteen valves showing size diminution series. 3. Micrograph of holotype specimen. 5. Micrograph of isotype specimen. Scale bar =10 μm (in Fig. 1) for all figures." figureDoi="http://doi.org/10.5281/zenodo.13720694" httpUri="https://zenodo.org/record/13720694/files/figure.png" pageId="4" pageNumber="43">Figs 13</figureCitation>
). Striae slightly radiate at centre of valve, becoming more radiate towards apices. Stigmata 23, striae
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10 μm on dorsal central side (often
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10 μm),
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10 μm on ventral central side (often
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10 μm), 911 near apices. Puncta not resolved in LM.
</paragraph>
<paragraph id="99007E702852E65322E2F967FF15AFA2" blockId="4.[136,1452,1743,2092]" box="[136,202,1743,1768]" pageId="4" pageNumber="43">SEM:</paragraph>
<paragraph id="99007E702852E65322E2F95BFCECAED6" blockId="4.[136,1452,1743,2092]" pageId="4" pageNumber="43">
<emphasis id="ABCBA2622852E65322E2F95BFE41AE46" box="[136,414,1779,1804]" italics="true" pageId="4" pageNumber="43">Frustule and girdle view:</emphasis>
Frustule rectangular in ventral view girdle; frustule composed of epivalve, hypovalve and four girdle bands (
<figureCitation id="018462F52852E653234BF8BFFE11AE7A" box="[289,462,1815,1840]" captionStart="FIGURES 1518" captionStartId="2.[136,243,1957,1978]" captionTargetBox="[408,1179,921,1931]" captionTargetId="figure-178@2.[408,1179,920,1931]" captionTargetPageId="2" captionText="FIGURES 1518. Cymbella distalebiseriata sp. nov., frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718)." figureDoi="http://doi.org/10.5281/zenodo.13720698" httpUri="https://zenodo.org/record/13720698/files/figure.png" pageId="4" pageNumber="43">Figs 15, 17, 18</figureCitation>
). Striae extending onto deep mantle with interruptions along valvar margin, terminating halfway (
<figureCitation id="018462F52852E653229BF893FEACAE1E" box="[241,371,1851,1876]" captionStart="FIGURES 1518" captionStartId="2.[136,243,1957,1978]" captionTargetBox="[408,1179,921,1931]" captionTargetId="figure-178@2.[408,1179,920,1931]" captionTargetPageId="2" captionText="FIGURES 1518. Cymbella distalebiseriata sp. nov., frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718)." figureDoi="http://doi.org/10.5281/zenodo.13720698" httpUri="https://zenodo.org/record/13720698/files/figure.png" pageId="4" pageNumber="43">Figs 1518</figureCitation>
). Some biseriate striae emerging from uninseriate striae on mantle, complete biseriate striae near apices, with corresponding biseriate striae on mantle (
<figureCitation id="018462F52852E65320B7F8F7FC82AE32" box="[733,861,1887,1912]" captionStart="FIGURES 1518" captionStartId="2.[136,243,1957,1978]" captionTargetBox="[408,1179,921,1931]" captionTargetId="figure-178@2.[408,1179,920,1931]" captionTargetPageId="2" captionText="FIGURES 1518. Cymbella distalebiseriata sp. nov., frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718)." figureDoi="http://doi.org/10.5281/zenodo.13720698" httpUri="https://zenodo.org/record/13720698/files/figure.png" pageId="4" pageNumber="43">Figs 1718</figureCitation>
,
<figureCitation id="018462F52852E653210DF8F7FC07AE32" box="[871,984,1887,1912]" captionStart="FIGURES 2331" captionStartId="3.[136,243,1985,2006]" captionTargetBox="[344,1243,1088,1960]" captionTargetId="figure-48@3.[344,1244,1087,1960]" captionTargetPageId="3" captionText="FIGURES 2331. Cymbella distalebiseriata sp. nov., external view, SEM. 2331. Nine apices showing details of biseriate striae. Scale bars = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720702" httpUri="https://zenodo.org/record/13720702/files/figure.png" pageId="4" pageNumber="43">24, 28, 31</figureCitation>
). Four open girdle bands present (
<figureCitation id="018462F52852E653273BF8F7FF0FAED6" captionStart="FIGURES 1518" captionStartId="2.[136,243,1957,1978]" captionTargetBox="[408,1179,921,1931]" captionTargetId="figure-178@2.[408,1179,920,1931]" captionTargetPageId="2" captionText="FIGURES 1518. Cymbella distalebiseriata sp. nov., frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718)." figureDoi="http://doi.org/10.5281/zenodo.13720698" httpUri="https://zenodo.org/record/13720698/files/figure.png" pageId="4" pageNumber="43">Figs 15, 17, 18</figureCitation>
), composed of valvocopula and three smaller copulae.
</paragraph>
<paragraph id="99007E702852E65222D7F80FFAA3A84B" blockId="4.[136,1452,1743,2092]" lastBlockId="5.[136,1452,160,617]" lastPageId="5" lastPageNumber="44" pageId="4" pageNumber="43">
<emphasis id="ABCBA2622852E65322D7F80FFEBFAE8A" box="[189,352,1959,1984]" italics="true" pageId="4" pageNumber="43">External view:</emphasis>
Central pores present, elongate, bent slightly towards ventral side, terminal raphe fissures deflexed dorsally almost 90
<superScript id="6ECAD3382852E653233CF861FE82AE9D" attach="left" box="[342,349,1993,2007]" fontSize="6" pageId="4" pageNumber="43">°</superScript>
to apical axis, not bisecting apical pore fields (
<figureCitation id="018462F52852E6532102F863FC34AEAE" box="[872,1003,1995,2020]" captionStart="FIGURES 1922" captionStartId="3.[136,243,1005,1026]" captionTargetBox="[344,1243,190,980]" captionTargetId="figure-14@3.[344,1244,190,980]" captionTargetPageId="3" captionText="FIGURES 1922. Cymbella distalebiseriata sp. nov., external view, SEM. 1922. Four valves showing valve outline, raphe shape and some biseriate striae distributed near both apices (arrows). Scale bars =10 μm." figureDoi="http://doi.org/10.5281/zenodo.13720700" httpUri="https://zenodo.org/record/13720700/files/figure.png" pageId="4" pageNumber="43">Figs 1922</figureCitation>
). Stigmata 23 at ends of ventral central striae, ca. 3 to 11 (
<figureCitation id="018462F52852E6532326F847FE15A142" box="[332,458,2031,2056]" captionStart="FIGURES 2331" captionStartId="3.[136,243,1985,2006]" captionTargetBox="[344,1243,1088,1960]" captionTargetId="figure-48@3.[344,1244,1087,1960]" captionTargetPageId="3" captionText="FIGURES 2331. Cymbella distalebiseriata sp. nov., external view, SEM. 2331. Nine apices showing details of biseriate striae. Scale bars = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720702" httpUri="https://zenodo.org/record/13720702/files/figure.png" pageId="4" pageNumber="43">Figs 2331</figureCitation>
) biseriate striae distributed near apices (
<figureCitation id="018462F52852E65321E8F847FBDDA142" box="[898,1026,2031,2056]" captionStart="FIGURES 1922" captionStartId="3.[136,243,1005,1026]" captionTargetBox="[344,1243,190,980]" captionTargetId="figure-14@3.[344,1244,190,980]" captionTargetPageId="3" captionText="FIGURES 1922. Cymbella distalebiseriata sp. nov., external view, SEM. 1922. Four valves showing valve outline, raphe shape and some biseriate striae distributed near both apices (arrows). Scale bars =10 μm." figureDoi="http://doi.org/10.5281/zenodo.13720700" httpUri="https://zenodo.org/record/13720700/files/figure.png" pageId="4" pageNumber="43">Figs 1922</figureCitation>
, arrows). Puncta lineolate in uniseriate striae, rounded in biseriate striae, with lineolate puncta
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10 μm—some mixed, composed of both double and single rows of puncta, in places grading between uniseriate and biseriate (e.g.
<figureCitation id="018462F52853E652218CFF08FB67A9F3" box="[998,1208,160,185]" captionStart="FIGURES 2331" captionStartId="3.[136,243,1985,2006]" captionTargetBox="[344,1243,1088,1960]" captionTargetId="figure-48@3.[344,1244,1087,1960]" captionTargetPageId="3" captionText="FIGURES 2331. Cymbella distalebiseriata sp. nov., external view, SEM. 2331. Nine apices showing details of biseriate striae. Scale bars = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720702" httpUri="https://zenodo.org/record/13720702/files/figure.png" pageId="5" pageNumber="44">Figs 24, 26, 2831</figureCitation>
). Externally, structure and shape of areolae in biseriate striae similar to that found in apical pore fields (
<figureCitation id="018462F52853E652267AFF6CFBBBA997" box="[1040,1124,196,221]" captionStart="FIGURES 1922" captionStartId="3.[136,243,1005,1026]" captionTargetBox="[344,1243,190,980]" captionTargetId="figure-14@3.[344,1244,190,980]" captionTargetPageId="3" captionText="FIGURES 1922. Cymbella distalebiseriata sp. nov., external view, SEM. 1922. Four valves showing valve outline, raphe shape and some biseriate striae distributed near both apices (arrows). Scale bars =10 μm." figureDoi="http://doi.org/10.5281/zenodo.13720700" httpUri="https://zenodo.org/record/13720700/files/figure.png" pageId="5" pageNumber="44">Fig. 22</figureCitation>
). Apical pore field composed of ca. 79 rows and 1517 pervalvar axis columns, not bifurcated by terminal raphe fissure (e.g.
<figureCitation id="018462F52853E65226AEFF40FAC6A84B" box="[1220,1305,232,257]" captionStart="FIGURES 1518" captionStartId="2.[136,243,1957,1978]" captionTargetBox="[408,1179,921,1931]" captionTargetId="figure-178@2.[408,1179,920,1931]" captionTargetPageId="2" captionText="FIGURES 1518. Cymbella distalebiseriata sp. nov., frustule and girdle view, SEM. 15. Frustule in ventral girdle view. 16. Frustule in side view, note deep mantle on dorsal side. 1718. Details of Fig. 15, showing apical pore fields, girdle bands and some biseriate striae with their corresponding uniseriate striae on mantle (arrows). Scale bars =10 μm (Figs 1516), 5 μm (Figs 1718)." figureDoi="http://doi.org/10.5281/zenodo.13720698" httpUri="https://zenodo.org/record/13720698/files/figure.png" pageId="5" pageNumber="44">Figs 17</figureCitation>
,
<figureCitation id="018462F52853E652274FFF40FAB1A84B" box="[1317,1390,232,257]" captionStart="FIGURES 2331" captionStartId="3.[136,243,1985,2006]" captionTargetBox="[344,1243,1088,1960]" captionTargetId="figure-48@3.[344,1244,1087,1960]" captionTargetPageId="3" captionText="FIGURES 2331. Cymbella distalebiseriata sp. nov., external view, SEM. 2331. Nine apices showing details of biseriate striae. Scale bars = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720702" httpUri="https://zenodo.org/record/13720702/files/figure.png" pageId="5" pageNumber="44">26, 31</figureCitation>
).
</paragraph>
<paragraph id="99007E702853E65222D7FEA4FF00A8DB" blockId="5.[136,1452,160,617]" pageId="5" pageNumber="44">
<emphasis id="ABCBA2622853E65222D7FEA4FE86A86F" box="[189,345,268,293]" italics="true" pageId="5" pageNumber="44">Internal view:</emphasis>
Raphe almost located at valve centre, terminal raphe end terminated in helictoglossa, proximal raphe ends invisible, obscured by hooded siliceous structure (
<figureCitation id="018462F52853E6522095FE98FC5FA803" box="[767,896,304,329]" captionStart="FIGURES 3236" captionStartId="4.[136,243,1313,1334]" captionTargetBox="[344,1243,190,1288]" captionTargetId="figure-18@4.[344,1244,190,1288]" captionTargetPageId="4" captionText="FIGURES 3236. Cymbella distalebiseriata sp. nov., internal view, SEM. 32. A whole valve. 3336. Four central parts of the valves, showing two to three stigmata (curved arrows) and obscured intermission (arrows). Scale bars =10 μm (32), 5 μm (3336)." figureDoi="http://doi.org/10.5281/zenodo.13720706" httpUri="https://zenodo.org/record/13720706/files/figure.png" pageId="5" pageNumber="44">Fig. 3236</figureCitation>
). Striae alveolate, in part, 23 stigmata obscured with internal occlusions (
<figureCitation id="018462F52853E65223C9FEFCFDFDA827" box="[419,546,340,365]" captionStart="FIGURES 3236" captionStartId="4.[136,243,1313,1334]" captionTargetBox="[344,1243,190,1288]" captionTargetId="figure-18@4.[344,1244,190,1288]" captionTargetPageId="4" captionText="FIGURES 3236. Cymbella distalebiseriata sp. nov., internal view, SEM. 32. A whole valve. 3336. Four central parts of the valves, showing two to three stigmata (curved arrows) and obscured intermission (arrows). Scale bars =10 μm (32), 5 μm (3336)." figureDoi="http://doi.org/10.5281/zenodo.13720706" httpUri="https://zenodo.org/record/13720706/files/figure.png" pageId="5" pageNumber="44">Fig. 3336</figureCitation>
). Biseriate striae between 3 and 11 (
<figureCitation id="018462F52853E65221DFFEFCFBE7A827" box="[949,1080,340,365]" captionStart="FIGURES 3740" captionStartId="5.[136,243,1772,1793]" captionTargetBox="[344,1243,641,1747]" captionTargetId="figure-211@5.[344,1244,641,1747]" captionTargetPageId="5" captionText="FIGURES 3740. Cymbella distalebiseriata sp. nov., internal view, SEM. 3740. Four apices showing biseriate striae. Scale bars = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720708" httpUri="https://zenodo.org/record/13720708/files/figure.png" pageId="5" pageNumber="44">Figs 3740</figureCitation>
), some mixed as above (e.g.
<figureCitation id="018462F52853E6522711FEFCFF0DA8DB" captionStart="FIGURES 3740" captionStartId="5.[136,243,1772,1793]" captionTargetBox="[344,1243,641,1747]" captionTargetId="figure-211@5.[344,1244,641,1747]" captionTargetPageId="5" captionText="FIGURES 3740. Cymbella distalebiseriata sp. nov., internal view, SEM. 3740. Four apices showing biseriate striae. Scale bars = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720708" httpUri="https://zenodo.org/record/13720708/files/figure.png" pageId="5" pageNumber="44">Figs 3740</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="D1A52DFB2853E65222D7FE34FB0EA893" pageId="5" pageNumber="44" type="materials_examined">
<paragraph id="99007E702853E65222D7FE34FB0EA893" blockId="5.[136,1452,160,617]" pageId="5" pageNumber="44">
<emphasis id="ABCBA2622853E65222D7FE34FEDEA8FF" bold="true" box="[189,257,412,437]" pageId="5" pageNumber="44">Type:</emphasis>
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.
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:
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,
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, sampling point,
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,
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a.s.l.
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,
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<location id="9C6028AB2853E65222A0FE68FEF4A893" LSID="urn:lsid:plazi:treatment:1116CF662854E65222E2FCCDFD1BAB23:9C6028AB2853E65222A0FE68FEF4A893" box="[202,299,448,473]" country="China" county="Yuan Ling County" latitude="28.746668" longLatPrecision="20" longitude="110.424164" municipality="Shenxi River" name="Bing Liu" pageId="5" pageNumber="44" stateProvince="Hunan">Bing Liu</location>
</emphasis>
,
<emphasis id="ABCBA2622853E6522353FE68FE2DA893" box="[313,498,446,473]" italics="true" pageId="5" pageNumber="44">
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17
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March 2017
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</date>
</emphasis>
(
<typeStatus id="4604C0D22853E652206AFE68FDBBA893" box="[512,612,448,473]" pageId="5" pageNumber="44" type="holotype">holotype</typeStatus>
<collectionCode id="FFAEE6B52853E6522001FE68FD43A893" box="[619,668,448,473]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="44">BM</collectionCode>
! 101409 =
<figureCitation id="018462F52853E6522173FE68FC83A893" box="[793,860,448,473]" captionStart="FIGURES 114" captionStartId="1.[136,243,1416,1437]" captionTargetBox="[174,1413,314,1387]" captionTargetId="figure-81@1.[174,1414,314,1387]" captionTargetPageId="1" captionText="FIGURES 114. Cymbella distalebiseriata sp. nov., LM. 114. Fourteen valves showing size diminution series. 3. Micrograph of holotype specimen. 5. Micrograph of isotype specimen. Scale bar =10 μm (in Fig. 1) for all figures." figureDoi="http://doi.org/10.5281/zenodo.13720694" httpUri="https://zenodo.org/record/13720694/files/figure.png" pageId="5" pageNumber="44">Fig. 3</figureCitation>
;
<typeStatus id="4604C0D22853E6522103FE68FC65A893" box="[873,954,448,473]" pageId="5" pageNumber="44" type="isotype">isotype</typeStatus>
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!
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=
<figureCitation id="018462F52853E65226EAFE68FB1CA893" box="[1152,1219,448,473]" captionStart="FIGURES 114" captionStartId="1.[136,243,1416,1437]" captionTargetBox="[174,1413,314,1387]" captionTargetId="figure-81@1.[174,1414,314,1387]" captionTargetPageId="1" captionText="FIGURES 114. Cymbella distalebiseriata sp. nov., LM. 114. Fourteen valves showing size diminution series. 3. Micrograph of holotype specimen. 5. Micrograph of isotype specimen. Scale bar =10 μm (in Fig. 1) for all figures." figureDoi="http://doi.org/10.5281/zenodo.13720694" httpUri="https://zenodo.org/record/13720694/files/figure.png" pageId="5" pageNumber="44">Fig. 5</figureCitation>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="D1A52DFB2853E65222D7FE4CFE2AAB6B" pageId="5" pageNumber="44" type="etymology">
<paragraph id="99007E702853E65222D7FE4CFE2AAB6B" blockId="5.[136,1452,160,617]" pageId="5" pageNumber="44">
<emphasis id="ABCBA2622853E65222D7FE4CFE97A8B7" bold="true" box="[189,328,484,509]" pageId="5" pageNumber="44">Etymology:</emphasis>
—The epithet
<taxonomicName id="5EBF05F32853E6522385FE4CFD78A8B7" authorityName="Liu &amp; Williams &amp; Liu" authorityYear="2018" box="[495,679,484,509]" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="5" pageNumber="44" phylum="Ochrophyta" rank="species" species="distalebiseriata">
<emphasis id="ABCBA2622853E6522393FE4CFD78A8B7" box="[505,679,484,509]" italics="true" pageId="5" pageNumber="44">distalebiseriata</emphasis>
</taxonomicName>
is a composite of distal and biseriate, referring to the biseriate striae that occur near both poles.
</paragraph>
</subSubSection>
<subSubSection id="D1A52DFB2853E65222D7FD84FD1BAB23" pageId="5" pageNumber="44" type="biology_ecology">
<paragraph id="99007E702853E65222D7FD84FD1BAB23" blockId="5.[136,1452,160,617]" pageId="5" pageNumber="44">
<emphasis id="ABCBA2622853E65222D7FD84FEF9AB0F" bold="true" box="[189,294,556,581]" pageId="5" pageNumber="44">Ecology:</emphasis>
—The following environmental parameters were measured in the field: Conductivity 215.7 ± 2.6 μS/cm, pH was 8.3 ± 0.1, water temperature 12.2 ± 0.1 °C.
</paragraph>
</subSubSection>
</treatment>
</document>