225 lines
35 KiB
XML
225 lines
35 KiB
XML
<document ID-DOI="10.11646/phytotaxa.592.2.11" ID-ISSN="1179-3163" ID-Zenodo-Dep="7840352" approvalRequired="3" approvalRequired_for_textStreams="3" checkinTime="1681815346043" checkinUser="plazi" docAuthor="Long, Ji-Yan, Liu, Bing, Rioual, Patrick, Yang, Bin & Zhou, Min" docDate="2023" docId="03C387BAFFB3FFF6EFC6F8DAFD6BFF29" docLanguage="en" docName="phytotaxa.592.2.11.pdf" docOrigin="Phytotaxa 592 (2)" docSource="http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.4:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="4" docTitle="Surirella liubingii J. Y. Long 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="168" masterDocId="FFFAFFC2FFB0FFF3EF4EFFAEFFC5FFF5" masterDocTitle="Ultrastructure of four Surirella taxa (Bacillariophyceae) from Qinghai Province, northwest China, with reference to the characteristics of portulae" masterLastPageNumber="177" masterPageNumber="163" pageNumber="166" updateTime="1681815827399" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo>
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<mods:title>Ultrastructure of four Surirella taxa (Bacillariophyceae) from Qinghai Province, northwest China, with reference to the characteristics of portulae</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Long, Ji-Yan</mods:namePart>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & 2215656702 @ qq. com; https: // orcid. org / 0000 - 0001 - 8160 - 089 X</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Liu, Bing</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-8516-325X</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & jsulb @ outlook. com; https: // orcid. org / 0000 - 0002 - 8516 - 325 X</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Rioual, Patrick</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-9491-9197</mods:nameIdentifier>
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<mods:affiliation>Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P. O. box 9825, Beijing 100029, China & CAS Center for Excellence in Life and Paleoenvironment, Beijing 100044, China & prioual @ mail. iggcas. ac. cn; https: // orcid. org / 0000 - 0001 - 9491 - 9197</mods:affiliation>
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<mods:nameIdentifier type="email">prioual@mail.iggcas.ac.cn</mods:nameIdentifier>
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<mods:namePart>Yang, Bin</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-1123-9477</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & 2927378586 @ qq. com; https: // orcid. org / 0000 - 0002 - 1123 - 9477</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Zhou, Min</mods:namePart>
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<mods:nameIdentifier type="ORCID">0009-0009-2832-5417</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & 2509776606 @ qq. com; https: // orcid. org / 0009 - 0009 - 2832 - 5417</mods:affiliation>
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<mods:title>Phytotaxa</mods:title>
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<mods:date>2023</mods:date>
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<mods:number>2023-04-18</mods:number>
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<mods:detail type="volume">
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<mods:number>592</mods:number>
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<mods:number>2</mods:number>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.592.2.11</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:03C387BAFFB3FFF6EFC6F8DAFD6BFF29" httpUri="http://treatment.plazi.org/id/03C387BAFFB3FFF6EFC6F8DAFD6BFF29" lastPageId="5" lastPageNumber="168" pageId="3" pageNumber="166">
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<subSubSection pageId="3" pageNumber="166" type="nomenclature">
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<paragraph blockId="3.[136,1080,1908,1935]" box="[136,1080,1908,1935]" pageId="3" pageNumber="166">
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<heading box="[136,1080,1908,1935]" fontSize="11" level="2" pageId="3" pageNumber="166" reason="3">
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<taxonomicName authority="J.Y.Long" authorityName="J. Y. Long" authorityYear="2023" box="[136,459,1908,1935]" class="Bacillariophyceae" family="Surirellaceae" genus="Surirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Surirellales" pageId="3" pageNumber="166" phylum="Ochrophyta" rank="species" species="liubingii" status="sp. nov.">
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<emphasis bold="true" box="[136,459,1908,1935]" pageId="3" pageNumber="166">
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<emphasis bold="true" box="[136,344,1908,1935]" italics="true" pageId="3" pageNumber="166">Surirella liubingii</emphasis>
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J.Y.Long
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</emphasis>
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</taxonomicName>
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<emphasis box="[466,551,1909,1934]" italics="true" pageId="3" pageNumber="166">
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<taxonomicNameLabel box="[466,551,1909,1934]" pageId="3" pageNumber="166" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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<emphasis bold="true" box="[557,1080,1908,1934]" pageId="3" pageNumber="166">
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(LM:
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<figureCitation box="[628,742,1908,1934]" captionStart="FIGURES 1–14" captionStartId="1.[136,243,740,762]" captionTargetBox="[359,1229,242,713]" captionTargetId="figure-44@1.[359,1229,242,713]" captionTargetPageId="1" captionText="FIGURES 1–14. Surirella liubingii sp. nov., LM (1000×). Fourteen different valves showing the size diminution series of this species. Note that the costa-stria bundles (CSBs) do not reach the valve margins because the internal wall of the raphe canal grows into the cell cavity to form a “pseudoseptum” from the valve margin (indicated by two arrows in Fig. 4). Fig. 1 corresponds to holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7840356" httpUri="https://zenodo.org/record/7840356/files/figure.png" pageId="3" pageNumber="166">Figs 1–14</figureCitation>
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, SEM:
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<figureCitation box="[831,960,1908,1934]" captionStart-0="FIGURES 15–20" captionStart-1="FIGURES 21–26" captionStartId-0="1.[136,243,1919,1941]" captionStartId-1="2.[136,243,1205,1227]" captionTargetBox-0="[360,1227,896,1895]" captionTargetBox-1="[362,1225,190,1181]" captionTargetId-0="figure-121@1.[360,1227,896,1895]" captionTargetId-1="figure-27@2.[362,1225,190,1181]" captionTargetPageId-0="1" captionTargetPageId-1="2" captionText-0="FIGURES 15–20. Surirella liubingii sp. nov., SEM, external view. 15–17. Three valves showing the valve shape, the pattern of costa-stria bundles (CSBs, white arrows labeled in Fig. 16) alternated with over-fibula costae (OFCs, black arrows labeled in Fig. 16) from pole to pole. 18. Middle section of the valve, detail from Fig. 17, note CSBs, OFCs, and multiseriate striae. 19, 20. Details of the valve apices from Fig. 17, note the simple, interrupted raphe endings at both the footpole (Fig. 19, two arrows) and headpole (Fig. 20, two arrows).Scale bars = 5 μm (Figs 15–17), 1 μm (Figs 18–20)." captionText-1="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi-0="http://doi.org/10.5281/zenodo.7840358" figureDoi-1="http://doi.org/10.5281/zenodo.7840360" httpUri-0="https://zenodo.org/record/7840358/files/figure.png" httpUri-1="https://zenodo.org/record/7840360/files/figure.png" pageId="3" pageNumber="166">Figs 15–26</figureCitation>
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,
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<figureCitation box="[972,1071,1908,1934]" captionStart="FIGURES 102–107" captionStartId="12.[136,243,1319,1341]" captionTargetBox="[337,1249,221,1271]" captionTargetId="figure-27@12.[337,1249,221,1271]" captionTargetPageId="12" captionText="FIGURES 102–107. Characteristics of the portulae among five Surirella taxa, SEM, internal view. 102, 103. Portula structure of S. liubingii, note the striated internal raphe canal wall (Fig. 102, three arrows) and the presence of only one portula between two adjacent fibulae (Fig.103, three arrows). 104.Portula structure of S. minuta, note the occurrence of only one portula (three arrows). 105–107.Portula structure of S. lacrimula, S. brebissonii var. kuetzingii, and S. tientsinensis, respectively. Note that these three taxa have three portulae between two adjacent fibulae (three arrows respectively) but that a marginal trough-like depression is only produced in S. brebissonii var. kuetzingii (Fig. 106). Scale bars =1 μm (Figs 102–107)." figureDoi="http://doi.org/10.5281/zenodo.7840388" httpUri="https://zenodo.org/record/7840388/files/figure.png" pageId="3" pageNumber="166">102, 103</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 blockId="3.[136,1452,1944,2079]" pageId="3" pageNumber="166">
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<emphasis bold="true" box="[136,332,1944,1970]" pageId="3" pageNumber="166">Observations:—</emphasis>
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LM: Valve outline long-ovate to ovate with broadly rounded headpole and cuneate footpole (
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<figureCitation captionStart="FIGURES 1–14" captionStartId="1.[136,243,740,762]" captionTargetBox="[359,1229,242,713]" captionTargetId="figure-44@1.[359,1229,242,713]" captionTargetPageId="1" captionText="FIGURES 1–14. Surirella liubingii sp. nov., LM (1000×). Fourteen different valves showing the size diminution series of this species. Note that the costa-stria bundles (CSBs) do not reach the valve margins because the internal wall of the raphe canal grows into the cell cavity to form a “pseudoseptum” from the valve margin (indicated by two arrows in Fig. 4). Fig. 1 corresponds to holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7840356" httpUri="https://zenodo.org/record/7840356/files/figure.png" pageId="3" pageNumber="166">Figs 1– 14</figureCitation>
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). Valve dimensions (n = 21): length 22–33 μm, width 8.5–9.9 μm (measured at widest part of the valve), length/width ratio 2.3–3.7. Costa-stria bundles (CSBs) distinct, alternated with over-fibula costae (OFCs) from pole to pole. CSBs not reaching valve margins because the internal wall of raphe canal growing into cell cavity to form a “pseudoseptum”
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</paragraph>
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</subSubSection>
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||
<subSubSection pageId="4" pageNumber="167" type="description">
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<paragraph blockId="4.[136,1452,158,581]" pageId="4" pageNumber="167">
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from the valve margin (indicated by two arrows in
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<figureCitation box="[725,794,158,184]" captionStart="FIGURES 1–14" captionStartId="1.[136,243,740,762]" captionTargetBox="[359,1229,242,713]" captionTargetId="figure-44@1.[359,1229,242,713]" captionTargetPageId="1" captionText="FIGURES 1–14. Surirella liubingii sp. nov., LM (1000×). Fourteen different valves showing the size diminution series of this species. Note that the costa-stria bundles (CSBs) do not reach the valve margins because the internal wall of the raphe canal grows into the cell cavity to form a “pseudoseptum” from the valve margin (indicated by two arrows in Fig. 4). Fig. 1 corresponds to holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7840356" httpUri="https://zenodo.org/record/7840356/files/figure.png" pageId="4" pageNumber="167">Fig. 4</figureCitation>
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, see also
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<figureCitation box="[906,1038,158,184]" captionStart="FIGURES 21–26" captionStartId="2.[136,243,1205,1227]" captionTargetBox="[362,1225,190,1181]" captionTargetId="figure-27@2.[362,1225,190,1181]" captionTargetPageId="2" captionText="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi="http://doi.org/10.5281/zenodo.7840360" httpUri="https://zenodo.org/record/7840360/files/figure.png" pageId="4" pageNumber="167">Figs 21–23</figureCitation>
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). CSBs parallel at the valve middle, slightly radiate approaching apices. Fibulae distinct, extending to midline,
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10 μm.
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</paragraph>
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<paragraph blockId="4.[136,1452,158,581]" pageId="4" pageNumber="167">
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SEM: Each CSB mostly composed of three costae and four striae, but occasionally two costae and three striae or four costae and five striae (
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<figureCitation box="[489,623,266,293]" captionStart="FIGURES 15–20" captionStartId="1.[136,243,1919,1941]" captionTargetBox="[360,1227,896,1895]" captionTargetId="figure-121@1.[360,1227,896,1895]" captionTargetPageId="1" captionText="FIGURES 15–20. Surirella liubingii sp. nov., SEM, external view. 15–17. Three valves showing the valve shape, the pattern of costa-stria bundles (CSBs, white arrows labeled in Fig. 16) alternated with over-fibula costae (OFCs, black arrows labeled in Fig. 16) from pole to pole. 18. Middle section of the valve, detail from Fig. 17, note CSBs, OFCs, and multiseriate striae. 19, 20. Details of the valve apices from Fig. 17, note the simple, interrupted raphe endings at both the footpole (Fig. 19, two arrows) and headpole (Fig. 20, two arrows).Scale bars = 5 μm (Figs 15–17), 1 μm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.7840358" httpUri="https://zenodo.org/record/7840358/files/figure.png" pageId="4" pageNumber="167">Figs 15–17</figureCitation>
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). Tiny rib-like thickenings produced externally (
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<figureCitation box="[1183,1268,266,292]" captionStart="FIGURES 15–20" captionStartId="1.[136,243,1919,1941]" captionTargetBox="[360,1227,896,1895]" captionTargetId="figure-121@1.[360,1227,896,1895]" captionTargetPageId="1" captionText="FIGURES 15–20. Surirella liubingii sp. nov., SEM, external view. 15–17. Three valves showing the valve shape, the pattern of costa-stria bundles (CSBs, white arrows labeled in Fig. 16) alternated with over-fibula costae (OFCs, black arrows labeled in Fig. 16) from pole to pole. 18. Middle section of the valve, detail from Fig. 17, note CSBs, OFCs, and multiseriate striae. 19, 20. Details of the valve apices from Fig. 17, note the simple, interrupted raphe endings at both the footpole (Fig. 19, two arrows) and headpole (Fig. 20, two arrows).Scale bars = 5 μm (Figs 15–17), 1 μm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.7840358" httpUri="https://zenodo.org/record/7840358/files/figure.png" pageId="4" pageNumber="167">Fig. 18</figureCitation>
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, arrows). Striae multiseriate, composed of 3 or 4 rows of areolae,
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10 μm (measured from SEM images, n = 3). Outside openings of areolae round to slit-like (
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<figureCitation box="[585,720,338,364]" captionStart="FIGURES 15–20" captionStartId="1.[136,243,1919,1941]" captionTargetBox="[360,1227,896,1895]" captionTargetId="figure-121@1.[360,1227,896,1895]" captionTargetPageId="1" captionText="FIGURES 15–20. Surirella liubingii sp. nov., SEM, external view. 15–17. Three valves showing the valve shape, the pattern of costa-stria bundles (CSBs, white arrows labeled in Fig. 16) alternated with over-fibula costae (OFCs, black arrows labeled in Fig. 16) from pole to pole. 18. Middle section of the valve, detail from Fig. 17, note CSBs, OFCs, and multiseriate striae. 19, 20. Details of the valve apices from Fig. 17, note the simple, interrupted raphe endings at both the footpole (Fig. 19, two arrows) and headpole (Fig. 20, two arrows).Scale bars = 5 μm (Figs 15–17), 1 μm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.7840358" httpUri="https://zenodo.org/record/7840358/files/figure.png" pageId="4" pageNumber="167">Figs 18–20</figureCitation>
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). Raphe canal located directly on mantle. Distal raphe endings simple and interrupting at both apices (
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<figureCitation box="[577,708,374,400]" captionStart="FIGURES 15–20" captionStartId="1.[136,243,1919,1941]" captionTargetBox="[360,1227,896,1895]" captionTargetId="figure-121@1.[360,1227,896,1895]" captionTargetPageId="1" captionText="FIGURES 15–20. Surirella liubingii sp. nov., SEM, external view. 15–17. Three valves showing the valve shape, the pattern of costa-stria bundles (CSBs, white arrows labeled in Fig. 16) alternated with over-fibula costae (OFCs, black arrows labeled in Fig. 16) from pole to pole. 18. Middle section of the valve, detail from Fig. 17, note CSBs, OFCs, and multiseriate striae. 19, 20. Details of the valve apices from Fig. 17, note the simple, interrupted raphe endings at both the footpole (Fig. 19, two arrows) and headpole (Fig. 20, two arrows).Scale bars = 5 μm (Figs 15–17), 1 μm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.7840358" httpUri="https://zenodo.org/record/7840358/files/figure.png" pageId="4" pageNumber="167">Figs 19, 20</figureCitation>
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, two arrows respectively). Internally, wall of raphe canal growing into cell cavity to the extent that the internal raphe canal wall is developed to form a longitudinal siliceous plate (a “pseudoseptum” from the valve margin, indicated by two double-headed arrows in
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<figureCitation box="[1081,1163,446,472]" captionStart="FIGURES 21–26" captionStartId="2.[136,243,1205,1227]" captionTargetBox="[362,1225,190,1181]" captionTargetId="figure-27@2.[362,1225,190,1181]" captionTargetPageId="2" captionText="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi="http://doi.org/10.5281/zenodo.7840360" httpUri="https://zenodo.org/record/7840360/files/figure.png" pageId="4" pageNumber="167">Fig. 21</figureCitation>
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), which hides the portula structure. The wall of the raphe canal is striated (
|
||
<figureCitation box="[695,781,482,508]" captionStart="FIGURES 21–26" captionStartId="2.[136,243,1205,1227]" captionTargetBox="[362,1225,190,1181]" captionTargetId="figure-27@2.[362,1225,190,1181]" captionTargetPageId="2" captionText="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi="http://doi.org/10.5281/zenodo.7840360" httpUri="https://zenodo.org/record/7840360/files/figure.png" pageId="4" pageNumber="167">Fig. 26</figureCitation>
|
||
). Fibulae robust, occasionally bifurcate, extending to valve midline (
|
||
<figureCitation box="[236,405,518,545]" captionStart="FIGURES 21–26" captionStartId="2.[136,243,1205,1227]" captionTargetBox="[362,1225,190,1181]" captionTargetId="figure-27@2.[362,1225,190,1181]" captionTargetPageId="2" captionText="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi="http://doi.org/10.5281/zenodo.7840360" httpUri="https://zenodo.org/record/7840360/files/figure.png" pageId="4" pageNumber="167">Figs 21–23, 25</figureCitation>
|
||
,
|
||
<figureCitation box="[416,462,518,544]" captionStart="FIGURES 102–107" captionStartId="12.[136,243,1319,1341]" captionTargetBox="[337,1249,221,1271]" captionTargetId="figure-27@12.[337,1249,221,1271]" captionTargetPageId="12" captionText="FIGURES 102–107. Characteristics of the portulae among five Surirella taxa, SEM, internal view. 102, 103. Portula structure of S. liubingii, note the striated internal raphe canal wall (Fig. 102, three arrows) and the presence of only one portula between two adjacent fibulae (Fig.103, three arrows). 104.Portula structure of S. minuta, note the occurrence of only one portula (three arrows). 105–107.Portula structure of S. lacrimula, S. brebissonii var. kuetzingii, and S. tientsinensis, respectively. Note that these three taxa have three portulae between two adjacent fibulae (three arrows respectively) but that a marginal trough-like depression is only produced in S. brebissonii var. kuetzingii (Fig. 106). Scale bars =1 μm (Figs 102–107)." figureDoi="http://doi.org/10.5281/zenodo.7840388" httpUri="https://zenodo.org/record/7840388/files/figure.png" pageId="4" pageNumber="167">102</figureCitation>
|
||
). Raphe continuous at headpole (
|
||
<figureCitation box="[830,912,518,544]" captionStart="FIGURES 21–26" captionStartId="2.[136,243,1205,1227]" captionTargetBox="[362,1225,190,1181]" captionTargetId="figure-27@2.[362,1225,190,1181]" captionTargetPageId="2" captionText="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi="http://doi.org/10.5281/zenodo.7840360" httpUri="https://zenodo.org/record/7840360/files/figure.png" pageId="4" pageNumber="167">Fig. 24</figureCitation>
|
||
, arrow), but interrupted at footpole (
|
||
<figureCitation box="[1316,1398,518,544]" captionStart="FIGURES 21–26" captionStartId="2.[136,243,1205,1227]" captionTargetBox="[362,1225,190,1181]" captionTargetId="figure-27@2.[362,1225,190,1181]" captionTargetPageId="2" captionText="FIGURES 21–26. Surirella liubingii sp. nov., SEM, internal view. 21–23. Three complete valves, note the robust fibulae and the internal wall of the raphe canal that distinctly grows into the cell cavity to the extent that the internal raphe canal wall develops to form a longitudinal siliceous plate (i.e., a “pseudoseptum”) from the valve margin, indicated by two double-headed arrows in Fig. 21), which hides the portula structure. 24. Headpole from Fig. 21, note the continuous raphe. 25. Middle part, detail from Fig. 21, note the robust fibulae extending to the midline (two arrows) and multiseriate striae. 26. Footpole from Fig. 21, note interrupted raphe endings (two arrows) and striated raphe canal wall (two wavy arrows). Scale bars = 5 μm (Figs 21–23), 1 μm (Figs 24–26)." figureDoi="http://doi.org/10.5281/zenodo.7840360" httpUri="https://zenodo.org/record/7840360/files/figure.png" pageId="4" pageNumber="167">Fig. 26</figureCitation>
|
||
, two arrows). One portula produced between two adjacent fibulae (
|
||
<figureCitation box="[829,926,554,580]" captionStart="FIGURES 102–107" captionStartId="12.[136,243,1319,1341]" captionTargetBox="[337,1249,221,1271]" captionTargetId="figure-27@12.[337,1249,221,1271]" captionTargetPageId="12" captionText="FIGURES 102–107. Characteristics of the portulae among five Surirella taxa, SEM, internal view. 102, 103. Portula structure of S. liubingii, note the striated internal raphe canal wall (Fig. 102, three arrows) and the presence of only one portula between two adjacent fibulae (Fig.103, three arrows). 104.Portula structure of S. minuta, note the occurrence of only one portula (three arrows). 105–107.Portula structure of S. lacrimula, S. brebissonii var. kuetzingii, and S. tientsinensis, respectively. Note that these three taxa have three portulae between two adjacent fibulae (three arrows respectively) but that a marginal trough-like depression is only produced in S. brebissonii var. kuetzingii (Fig. 106). Scale bars =1 μm (Figs 102–107)." figureDoi="http://doi.org/10.5281/zenodo.7840388" httpUri="https://zenodo.org/record/7840388/files/figure.png" pageId="4" pageNumber="167">Fig. 103</figureCitation>
|
||
, three arrows).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7840366" ID-Zenodo-Dep="7840366" httpUri="https://zenodo.org/record/7840366/files/figure.png" pageId="4" pageNumber="167" startId="4.[136,243,1691,1713]" targetBox="[331,1256,605,1667]" targetPageId="4">
|
||
<paragraph blockId="4.[136,1452,1691,1858]" pageId="4" pageNumber="167">
|
||
<emphasis bold="true" box="[136,313,1691,1713]" pageId="4" pageNumber="167">FIGURES 43–48.</emphasis>
|
||
<taxonomicName authority=", SEM" authorityName="SEM" box="[318,537,1692,1713]" class="Bacillariophyceae" family="Surirellaceae" genus="Surirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Surirellales" pageId="4" pageNumber="167" phylum="Ochrophyta" rank="species" species="minuta">
|
||
<emphasis box="[318,475,1692,1713]" italics="true" pageId="4" pageNumber="167">Surirella minuta</emphasis>
|
||
, SEM
|
||
</taxonomicName>
|
||
, external view. 43, 44. Two valves showing the valve shape and the pattern of costa-stria bundles (CSB, labeled with white arrows in Fig. 43) alternated with over-fibula costae (OFC, labelled with black arrows in Fig. 43) from pole to pole. 45, 46. Details of the middle section of the valve (Fig. 45 from Fig. 43, Fig. 46 from Fig. 44), note the pattern of CSB alternated with OFC and multiseriate striae. 47, 48. Details of the apices from Fig. 43. Note the raphe endings interrupted at both the headpole (Fig. 47) and footpole (Fig. 48). Scale bars = 5 μm (Figs 43, 44), 1 μm (Figs 45–48).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection pageId="4" pageNumber="167" type="materials_examined">
|
||
<paragraph blockId="4.[136,1452,1904,2075]" pageId="4" pageNumber="167">
|
||
<emphasis bold="true" box="[189,286,1904,1930]" pageId="4" pageNumber="167">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2019-07-18" collectionCode="JIU" country="China" county="Menyuan County" elevation="2940" latitude="37.45778" location="Bing Liu" longLatPrecision="19" longitude="101.3875" pageId="4" pageNumber="167" specimenCode="DIA202315" specimenCount="1" stateProvince="Qinghai" typeStatus="holotype">
|
||
<collectingCountry box="[285,377,1904,1930]" name="China" pageId="4" pageNumber="167">CHINA</collectingCountry>
|
||
,
|
||
<collectingRegion box="[386,582,1904,1930]" country="China" name="Qinghai" pageId="4" pageNumber="167">Qinghai province</collectingRegion>
|
||
,
|
||
<collectingCounty box="[591,788,1904,1931]" pageId="4" pageNumber="167">Menyuan County</collectingCounty>
|
||
: unnamed freshwater river course, sampling point
|
||
<geoCoordinate degrees="37" direction="north" minutes="27" orientation="latitude" pageId="4" pageNumber="167" precision="15" seconds="28" value="37.45778">37°27'28" N</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[171,324,1940,1967]" degrees="101" direction="east" minutes="23" orientation="longitude" pageId="4" pageNumber="167" precision="15" seconds="15" value="101.3875">101°23'15" E</geoCoordinate>
|
||
,
|
||
<elevation box="[337,465,1940,1967]" metricMagnitude="3" metricUnit="m" metricValue="2.94" pageId="4" pageNumber="167" unit="m" value="2940.0">
|
||
<quantity box="[337,423,1940,1967]" metricMagnitude="3" metricUnit="m" metricValue="2.94" pageId="4" pageNumber="167" unit="m" value="2940.0">2940 m</quantity>
|
||
asl
|
||
</elevation>
|
||
.
|
||
<emphasis box="[477,750,1940,1966]" italics="true" pageId="4" pageNumber="167">
|
||
<location LSID="urn:lsid:plazi:treatment:03C387BAFFB3FFF6EFC6F8DAFD6BFF29:8EB56077FFB4FFF7EE93F83BFD87F85B" box="[477,578,1941,1966]" country="China" county="Menyuan County" latitude="37.45778" longLatPrecision="19" longitude="101.3875" name="Bing Liu" pageId="4" pageNumber="167" stateProvince="Qinghai">Bing Liu</location>
|
||
,
|
||
<date box="[590,618,1940,1966]" pageId="4" pageNumber="167" value="2019-07-18">
|
||
<collectingDate box="[590,618,1940,1966]" pageId="4" pageNumber="167" value="2019-07-18">18</collectingDate>
|
||
</date>
|
||
<superScript attach="left" box="[618,631,1940,1954]" fontSize="6" pageId="4" pageNumber="167">th</superScript>
|
||
July 2019
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[765,865,1940,1966]" pageId="4" pageNumber="167">holotype</typeStatus>
|
||
slide
|
||
<collectionCode box="[934,980,1940,1966]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13402" lsid="urn:lsid:biocol.org:col:13402" name="Jishou University" pageId="4" pageNumber="167" type="Herbarium">JIU</collectionCode>
|
||
!
|
||
<specimenCode box="[992,1129,1940,1967]" collectionCode="DIA" country="Angola" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14994" lsid="urn:lsid:biocol.org:col:14994" name="Museu do Dundo" pageId="4" pageNumber="167" type="Herbarium">DIA202315</specimenCode>
|
||
, specimen circled on slide =
|
||
<figureCitation box="[136,200,1976,2002]" captionStart="FIGURES 1–14" captionStartId="1.[136,243,740,762]" captionTargetBox="[359,1229,242,713]" captionTargetId="figure-44@1.[359,1229,242,713]" captionTargetPageId="1" captionText="FIGURES 1–14. Surirella liubingii sp. nov., LM (1000×). Fourteen different valves showing the size diminution series of this species. Note that the costa-stria bundles (CSBs) do not reach the valve margins because the internal wall of the raphe canal grows into the cell cavity to form a “pseudoseptum” from the valve margin (indicated by two arrows in Fig. 4). Fig. 1 corresponds to holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7840356" httpUri="https://zenodo.org/record/7840356/files/figure.png" pageId="4" pageNumber="167">Fig. 1</figureCitation>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[189,1397,2012,2039]" pageId="4" pageNumber="167" type="etymology">
|
||
<paragraph blockId="4.[136,1452,1904,2075]" box="[189,1397,2012,2039]" pageId="4" pageNumber="167">
|
||
<emphasis bold="true" box="[189,356,2012,2038]" pageId="4" pageNumber="167">Etymology:—</emphasis>
|
||
Named after Dr. Bing Liu who is the first author’s supervisor and who collected the samples.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="5" lastPageNumber="168" pageId="4" pageNumber="167" type="biology_ecology">
|
||
<paragraph blockId="4.[136,1452,1904,2075]" box="[189,1452,2048,2075]" pageId="4" pageNumber="167">
|
||
<emphasis bold="true" box="[189,541,2048,2074]" pageId="4" pageNumber="167">Ecology and distribution:—</emphasis>
|
||
Epilithic in river. The following environmental parameters were measured.
|
||
</paragraph>
|
||
<paragraph blockId="5.[136,1452,158,221]" pageId="5" pageNumber="168">
|
||
Conductivity was 448 ± 1 μS̔cm
|
||
<superScript attach="right" box="[514,530,158,172]" fontSize="6" pageId="5" pageNumber="168">–1</superScript>
|
||
, pH was 8.36 ± 0.03 and water temperature was 11.9 ± 0.5 °C. So far,
|
||
<taxonomicName authorityName="J. Y. Long" authorityYear="2023" class="Bacillariophyceae" family="Surirellaceae" genus="Surirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Surirellales" pageId="5" pageNumber="168" phylum="Ochrophyta" rank="species" species="liubingii">
|
||
<emphasis italics="true" pageId="5" pageNumber="168">Surirella liubingii</emphasis>
|
||
</taxonomicName>
|
||
has only been found in the
|
||
<typeStatus box="[541,589,195,221]" pageId="5" pageNumber="168">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |