403 lines
56 KiB
XML
403 lines
56 KiB
XML
<document ID-DOI="10.11646/phytotaxa.591.1.10" ID-GBIF-Dataset="ebd2d0ae-68c9-4f08-a96a-c815440ef868" ID-ISSN="1179-3163" ID-Zenodo-Dep="7784131" checkinTime="1680163311736" checkinUser="plazi" docAuthor="André, Coralie, Sabbe, Koen & Vijver, Bart Van De" docDate="2023" docId="0383D119FFB6FF8BFF57F9AC91B5F93E" docLanguage="en" docName="phytotaxa.591.1.10.pdf" docOrigin="Phytotaxa 591 (1)" docSource="http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.5:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="5" docTitle="Pseudostaurosira ellipticolanceolata Andre, Sabbe & Van de Vijver 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="85" masterDocId="FFBAA961FFB6FF89FFDFFFB79515FF31" masterDocTitle="Pseudostaurosira ellipticolanceolata, a new araphid diatom (Bacillariophyta) from Flanders, Belgium" masterLastPageNumber="86" masterPageNumber="83" pageNumber="83" updateTime="1680183301541" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Pseudostaurosira ellipticolanceolata, a new araphid diatom (Bacillariophyta) from Flanders, Belgium</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>André, Coralie</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-5933-7773</mods:nameIdentifier>
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<mods:affiliation>Ghent University, Department of Geology, Krijgslaan 281 - S 8, 9000 Ghent, Belgium & coralie. andre @ ugent. be; https: // orcid. org / 0000 - 0001 - 5933 - 7773</mods:affiliation>
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<mods:nameIdentifier type="email">coralie.andre@ugent.be</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sabbe, Koen</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-5163-5581</mods:nameIdentifier>
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<mods:affiliation>Ghent University, Protistology and Aquatic Ecology Lab, Krijgslaan 281 - S 8, 9000 Ghent, Belgium & koen. sabbe @ ugent. be; https: // orcid. org / 0000 - 0001 - 5163 - 5581</mods:affiliation>
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<mods:nameIdentifier type="email">koen.sabbe@ugent.be</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Vijver, Bart Van De</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-6244-1886</mods:nameIdentifier>
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<mods:affiliation>Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology - ECOSPHERE, Universiteitsplein 1, 2610 Wilrijk, Belgium & bart. vandevijver @ plantentuinmeise. be; https: // orcid. org / 0000 - 0002 - 6244 - 1886</mods:affiliation>
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<mods:nameIdentifier type="email">bart.vandevijver@plantentuinmeise.be</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>Phytotaxa</mods:title>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-03-30</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>591</mods:number>
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<mods:start>83</mods:start>
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<mods:url>http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.591.1.10</mods:identifier>
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<mods:identifier type="GBIF-Dataset">ebd2d0ae-68c9-4f08-a96a-c815440ef868</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7785632" ID-Zenodo-Dep="7785632" LSID="urn:lsid:plazi:treatment:0383D119FFB6FF8BFF57F9AC91B5F93E" httpUri="http://treatment.plazi.org/id/0383D119FFB6FF8BFF57F9AC91B5F93E" lastPageId="2" lastPageNumber="85" pageId="0" pageNumber="83">
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<taxonomicName authority="Andre, Sabbe & Van de Vijver" authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[136,888,1562,1587]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="0" pageNumber="83" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata" status="sp. nov.">
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<emphasis bold="true" box="[136,535,1563,1587]" italics="true" pageId="0" pageNumber="83">Pseudostaurosira ellipticolanceolata</emphasis>
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André, Sabbe & Van de Vijver
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</taxonomicName>
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,
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<emphasis bold="true" box="[900,982,1564,1587]" italics="true" pageId="0" pageNumber="83">
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<taxonomicNameLabel box="[900,982,1564,1587]" pageId="0" pageNumber="83" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</emphasis>
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(
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<figureCitation box="[996,1104,1563,1587]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 1–21</figureCitation>
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LM, 22–28 SEM)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="83" type="description">
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<paragraph blockId="0.[136,1452,1527,2055]" pageId="0" pageNumber="83">
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Valves lanceolate to linear-lanceolate in larger specimens, becoming elliptic-lanceolate to elliptic in smallest valves (
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<figureCitation captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 1–21</figureCitation>
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). Valve margins parallel in longer valves to distinctly convex in the smaller range of the cell diminution series. Apices very weakly protracted (
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<figureCitation box="[397,493,1671,1695]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 1–3</figureCitation>
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), subrostrate, to non-protracted, broadly rounded in smaller specimens. Valve dimensions (n=40): valve length 4–20 µm, valve width 3.5–4.0 µm. Sternum broad in the largest specimens, becoming moderately broad in smaller valves, lanceolate. Striae uniseriate, parallel to weakly radiate throughout the entire valve length,
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<quantity box="[1320,1416,1743,1767]" metricMagnitude="-1" metricUnit="m" metricValue="4.318" metricValueMax="4.572" metricValueMin="4.064" pageId="0" pageNumber="83" unit="in" value="17.0" valueMax="18.0" valueMin="16.0">16–18 in</quantity>
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10 µm, composed of 1–2, rarely 3 areolae, on valve face (
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<figureCitation box="[718,841,1779,1803]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 22, 25</figureCitation>
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), and 1–2 areolae on valve mantle. Areolae at valve face/ mantle junction markedly larger, becoming smaller towards sternum (
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<figureCitation box="[883,1008,1815,1839]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 22, 24</figureCitation>
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). Mantle areolae separated from those on valve face by short linking spines (
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<figureCitation box="[510,635,1851,1875]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 22, 25</figureCitation>
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). Interdigitating spines originating from vimines, solid, spatulate with broad tip (but probably broken and eroded in all observed specimens) (
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<figureCitation box="[829,909,1887,1911]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Fig. 23</figureCitation>
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, white arrows). Areola occlusions eroded, vestiges partly visible in some areolae, suggesting volate occlusion
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<typeStatus box="[772,818,1924,1948]" pageId="0" pageNumber="83">type</typeStatus>
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(
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<figureCitation box="[833,958,1923,1947]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 27, 28</figureCitation>
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, black arrows). Apical pore field reduced to a handful of very small pores (
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<figureCitation box="[445,569,1959,1983]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Figs 27, 28</figureCitation>
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, white arrows). Internally, sternum flat with raised virgae between striae (
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<figureCitation box="[1359,1439,1959,1983]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="0" pageNumber="83">Fig. 26</figureCitation>
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). Girdle structure not observed due to severe erosion of the frustules. Mantle plaques not observed (but unclear whether being a result of valve erosion).
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</paragraph>
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</subSubSection>
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||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7784133" ID-Zenodo-Dep="7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="1" pageNumber="84" startId="1.[137,261,1755,1779]" targetBox="[151,1435,188,1731]" targetPageId="1">
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<paragraph blockId="1.[136,1452,1755,2032]" pageId="1" pageNumber="84">
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<emphasis bold="true" box="[137,332,1755,1779]" pageId="1" pageNumber="84">FIGURES 1–35.</emphasis>
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<taxonomicName authority="Andre, Sabbe & Van de Vijver" authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[342,1093,1755,1779]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="1" pageNumber="84" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata" status="sp. nov.">
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<emphasis box="[342,740,1755,1779]" italics="true" pageId="1" pageNumber="84">Pseudostaurosira ellipticolanceolata</emphasis>
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André, Sabbe & Van de Vijver
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</taxonomicName>
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,
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<emphasis box="[1108,1193,1756,1779]" italics="true" pageId="1" pageNumber="84">
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<taxonomicNameLabel box="[1108,1193,1756,1779]" pageId="1" pageNumber="84" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28).
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</paragraph>
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</caption>
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<subSubSection pageId="2" pageNumber="85" type="materials_examined">
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<paragraph blockId="2.[136,1452,158,1551]" pageId="2" pageNumber="85">
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<emphasis bold="true" box="[189,281,159,183]" pageId="2" pageNumber="85">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2019-03-01" collectorName="C. Andre" country="Belgium" location="Aardenburg" pageId="2" pageNumber="85" specimenCount="2" stateProvince="Burchtstraat" typeStatus="holotype">
|
||
<collectingCountry box="[281,406,159,183]" name="Belgium" pageId="2" pageNumber="85">BELGIUM</collectingCountry>
|
||
.
|
||
<collectingRegion box="[418,551,159,183]" pageId="2" pageNumber="85">Burchtstraat</collectingRegion>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:0383D119FFB6FF8BFF57F9AC91B5F93E:8EF536D4FFB4FF8BFDECFF2897A0FF86" box="[563,693,159,183]" country="Belgium" name="Aardenburg" pageId="2" pageNumber="85" stateProvince="Burchtstraat">Aardenburg</location>
|
||
, sediment core, sample 85,
|
||
<emphasis box="[1000,1280,158,183]" italics="true" pageId="2" pageNumber="85">
|
||
<collectorName box="[1000,1102,159,183]" pageId="2" pageNumber="85">C. André</collectorName>
|
||
,
|
||
<date box="[1115,1280,158,183]" pageId="2" pageNumber="85" value="2019-03-01">
|
||
<collectingDate box="[1115,1280,158,183]" pageId="2" pageNumber="85" value="2019-03-01">
|
||
1
|
||
<superScript attach="left" box="[1128,1138,158,172]" fontSize="6" pageId="2" pageNumber="85">st</superScript>
|
||
March 2019
|
||
</collectingDate>
|
||
</date>
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[1297,1392,159,183]" pageId="2" pageNumber="85">holotype</typeStatus>
|
||
slide BR-4776=
|
||
<figureCitation box="[256,320,195,219]" captionStart="FIGURES 1–35" captionStartId="1.[137,261,1755,1779]" captionTargetBox="[151,1435,188,1731]" captionTargetId="figure-20@1.[151,1435,188,1731]" captionTargetPageId="1" captionText="FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal detail of the valve apex. The white arrow indicates the apical pore field. 28. SEM external detail of the valve apex. The white arrows indicate the eroded apical pore field. The black arrows indicate the presence of vestiges of the areola coverings. Scale bars = 10 µm (Figs 21, 22, 24, 26), 5 µm (Figs 23, 25, 27), 1 µm (Fig. 28)." figureDoi="http://doi.org/10.5281/zenodo.7784133" httpUri="https://zenodo.org/record/7784133/files/figure.png" pageId="2" pageNumber="85">Fig. 6</figureCitation>
|
||
.
|
||
</materialsCitation>
|
||
<materialsCitation box="[331,888,195,220]" collectingDate="2019-03-01" collectorName="C. Andre" country="Belgium" location="Aardenburg" pageId="2" pageNumber="85" specimenCount="2" stateProvince="Burchtstraat" typeStatus="isotype">
|
||
<typeStatus box="[331,410,196,220]" pageId="2" pageNumber="85">Isotype</typeStatus>
|
||
slide 421,
|
||
<location LSID="urn:lsid:plazi:treatment:0383D119FFB6FF8BFF57F9AC91B5F93E:8EF536D4FFB4FF8BFDD0FF749614FFEA" box="[527,769,195,219]" country="Belgium" name="University of Antwerp" pageId="2" pageNumber="85" stateProvince="Burchtstraat">University of Antwerp</location>
|
||
,
|
||
<collectingCountry box="[780,877,195,219]" name="Belgium" pageId="2" pageNumber="85">Belgium</collectingCountry>
|
||
).
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[189,805,231,255]" pageId="2" pageNumber="85" type="description">
|
||
<paragraph blockId="2.[136,1452,158,1551]" box="[189,805,231,255]" pageId="2" pageNumber="85">
|
||
<emphasis bold="true" box="[189,494,231,255]" pageId="2" pageNumber="85">PhycoBank registration:—</emphasis>
|
||
http://phycobank.org/103600
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="85" type="biology_ecology">
|
||
<paragraph blockId="2.[136,1452,158,1551]" pageId="2" pageNumber="85">
|
||
<emphasis bold="true" box="[189,653,267,291]" pageId="2" pageNumber="85">Ecology and associated diatom flora:—</emphasis>
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[653,1051,267,291]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
<emphasis box="[653,1051,267,291]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
has a relative abundance of almost 10% in the
|
||
<typeStatus box="[264,310,304,328]" pageId="2" pageNumber="85">type</typeStatus>
|
||
sample. This sample is part of a clay layer from a sediment core taken at the edge of a ditch around the Roman
|
||
<emphasis box="[222,324,339,363]" italics="true" pageId="2" pageNumber="85">castellum</emphasis>
|
||
at Aardenburg, which most likely received marine input via a tidal channel and freshwater input from an inland river, possibly the river Ee. The clay layer dates back to the Holocene, with the first indications pointing to a possible age between the 4
|
||
<superScript attach="left" box="[425,437,409,423]" fontSize="6" pageId="2" pageNumber="85">th</superScript>
|
||
and 10
|
||
<superScript attach="left" box="[517,529,409,423]" fontSize="6" pageId="2" pageNumber="85">th</superScript>
|
||
century AD (André, unpubl. data). Other dominant species include
|
||
<taxonomicName authority="(Kutzing 1833: 544) Brebisson (1838: 16)" authorityName="Brebisson" authorityPageNumber="16" authorityYear="1838" baseAuthorityName="Kutzing" baseAuthorityPageNumber="544" baseAuthorityYear="1833" class="Bacillariophyceae" family="Rhopalodiaceae" genus="Epithemia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Rhopalodiales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="adnata">
|
||
<emphasis box="[1260,1451,411,435]" italics="true" pageId="2" pageNumber="85">Epithemia adnata</emphasis>
|
||
(
|
||
<bibRefCitation author="Kutzing, F. T." box="[143,347,447,471]" pageId="2" pageNumber="85" pagination="529 - 620" refId="ref2542" refString="Kutzing, F. T. (1833) Synopsis diatomearum oder Versuch einer systematischen Zusammenstellung der Diatomeen. Linnaea 8: 529 - 620. https: // doi. org / 10.5962 / bhl. title. 65634" type="journal article" year="1833">Kützing 1833: 544</bibRefCitation>
|
||
)
|
||
<bibRefCitation author="Brebisson, A. de" box="[362,590,447,471]" pageId="2" pageNumber="85" pagination="1 - 20" refId="ref2146" refString="Brebisson, A. de (1838) Considerations sur les diatomees et essai d'une classification des genres et des especes appartenant a cette famille, par A. de Brebisson, auteur de la Flore de Normandie. Falaise & Paris: Bree l'Ainee Imprimeur-Libraire, Meilhac. pp. 1 - 20. https: // doi. org / 10.5962 / bhl. title. 64353" type="book chapter" year="1838">Brébisson (1838: 16)</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName authorityName="C.G.Ehrenberg" authorityYear="1843" box="[602,714,447,470]" class="Bacillariophyceae" family="Fragilariaceae" genus="Staurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis box="[602,714,447,470]" italics="true" pageId="2" pageNumber="85">Staurosira</emphasis>
|
||
</taxonomicName>
|
||
cf.
|
||
<emphasis box="[755,822,448,471]" italics="true" pageId="2" pageNumber="85">venter</emphasis>
|
||
(
|
||
<bibRefCitation author="Ehrenberg, C. G." box="[836,1052,447,471]" pageId="2" pageNumber="85" pagination="1 - 31" refId="ref2333" refString="Ehrenberg, C. G. (1854) Mikrogeologie. Einundvierzig Tafeln mit uber viertausend grossentheils colorirten Figuren, Gezeichnet vom Verfasser. Leipzig: Verlag von Leopold Voss. pp. 1 - 31, 40 pls [Taf. I - XXXX]." type="book chapter" year="1854">Ehrenberg 1854: 13</bibRefCitation>
|
||
, pl. XIV) Cleve & J.D.Möller (1879: no. 242) sensu
|
||
<bibRefCitation author="Lange-Bertalot, H. & Hofmann, G. & Werum, M. & Cantonati, M." box="[301,607,483,507]" pageId="2" pageNumber="85" refId="ref2619" refString="Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017) Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten- Oberreifenberg, 942 pp. [Cantonati, M., Keely, M. & Lange-Bertalot, H. (eds.)]" type="book" year="2017">
|
||
Lange-Bertalot
|
||
<emphasis box="[471,526,483,507]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
(2017)
|
||
</bibRefCitation>
|
||
,
|
||
<taxonomicName authority="(Kutzing 1844: 39) Grunow" authorityName="Grunow" baseAuthorityName="Kutzing" baseAuthorityPageNumber="39" baseAuthorityYear="1844" box="[619,1084,483,507]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="minor">
|
||
<emphasis box="[619,775,484,507]" italics="true" pageId="2" pageNumber="85">Eunotia minor</emphasis>
|
||
(
|
||
<bibRefCitation author="Kutzing, F. T." box="[790,982,483,507]" pageId="2" pageNumber="85" pagination="1 - 152" refId="ref2582" refString="Kutzing, F. T. (1844) Die Kieselschaligen Bacillarien oder Diatomeen. Nordhausen. pp. 1 - 152. https: // doi. org / 10.5962 / bhl. title. 64360" type="book chapter" year="1844">Kützing 1844: 39</bibRefCitation>
|
||
) Grunow
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Van Heurck, H." box="[1130,1322,483,507]" pageId="2" pageNumber="85" pagination="31 - 77" refId="ref3170" refString="Van Heurck, H. (1881) Synopsis des Diatomees de Belgique Atlas. Anvers: Ducaju et Cie. pls XXXI - LXXVII [31 - 77]." type="book chapter" year="1881">Van Heurck 1881</bibRefCitation>
|
||
: pl. 33: figs 20, 21) and
|
||
<taxonomicName authority="Grunow" authorityName="Grunow" authorityYear="1881" box="[267,573,519,543]" class="Bacillariophyceae" family="Diatomaceae" genus="Cymatosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Diatomales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="belgica">
|
||
<emphasis box="[267,478,519,543]" italics="true" pageId="2" pageNumber="85">Cymatosira belgica</emphasis>
|
||
Grunow
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Van Heurck, H." box="[618,811,519,543]" pageId="2" pageNumber="85" pagination="31 - 77" refId="ref3170" refString="Van Heurck, H. (1881) Synopsis des Diatomees de Belgique Atlas. Anvers: Ducaju et Cie. pls XXXI - LXXVII [31 - 77]." type="book chapter" year="1881">Van Heurck 1881</bibRefCitation>
|
||
: pl. 45: figs 38–41). This diatom flora points to a brackish, eutrophic environment (
|
||
<bibRefCitation author="Lange-Bertalot, H. & Hofmann, G. & Werum, M. & Cantonati, M." box="[393,682,555,579]" pageId="2" pageNumber="85" refId="ref2619" refString="Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017) Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten- Oberreifenberg, 942 pp. [Cantonati, M., Keely, M. & Lange-Bertalot, H. (eds.)]" type="book" year="2017">
|
||
Lange-Bertalot
|
||
<emphasis box="[563,617,555,579]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2017
|
||
</bibRefCitation>
|
||
).
|
||
<taxonomicName authorityName="Brebisson" authorityYear="1838" baseAuthorityName="Kutzing" baseAuthorityYear="1833" box="[700,891,555,579]" class="Bacillariophyceae" family="Rhopalodiaceae" genus="Epithemia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Rhopalodiales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="adnata">
|
||
<emphasis box="[700,891,555,579]" italics="true" pageId="2" pageNumber="85">Epithemia adnata</emphasis>
|
||
</taxonomicName>
|
||
is typically epiphytic and may point to the presence of submerged vegetation, but is also salinity-tolerant and often occurs in aquatic conditions with higher electrolyte contents (
|
||
<bibRefCitation author="Lange-Bertalot, H. & Hofmann, G. & Werum, M. & Cantonati, M." box="[143,430,627,651]" pageId="2" pageNumber="85" refId="ref2619" refString="Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017) Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten- Oberreifenberg, 942 pp. [Cantonati, M., Keely, M. & Lange-Bertalot, H. (eds.)]" type="book" year="2017">
|
||
Lange-Bertalot
|
||
<emphasis box="[313,366,627,651]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2017
|
||
</bibRefCitation>
|
||
).
|
||
<taxonomicName authorityName="Grunow" authorityYear="1881" box="[447,657,627,651]" class="Bacillariophyceae" family="Diatomaceae" genus="Cymatosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Diatomales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="belgica">
|
||
<emphasis box="[447,657,627,651]" italics="true" pageId="2" pageNumber="85">Cymatosira belgica</emphasis>
|
||
</taxonomicName>
|
||
is considered a marine tychoplanktonic species, typically observed in tidal inlets and large tidal channels (
|
||
<bibRefCitation author="Vos, P. C. & de Wolf, H." box="[470,703,663,687]" pageId="2" pageNumber="85" pagination="31 - 40" refId="ref3201" refString="Vos, P. C. & de Wolf, H. (1988) Methodological aspects of paleo-ecological diatom research in coastal areas of the Netherlands. Geologie en Mijnbouw 67: 31 - 40." type="journal article" year="1988">Vos & de Wolf, 1988</bibRefCitation>
|
||
). The presence of
|
||
<taxonomicName authorityName="Grunow" baseAuthorityName="Kutzing" baseAuthorityYear="1844" box="[901,1057,664,687]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="minor">
|
||
<emphasis box="[901,1057,664,687]" italics="true" pageId="2" pageNumber="85">Eunotia minor</emphasis>
|
||
</taxonomicName>
|
||
is more difficult to explain but most likely the result of the influx of foreign material. Unfortunately, the taxonomic identity of
|
||
<emphasis box="[1090,1110,699,722]" italics="true" pageId="2" pageNumber="85">S.</emphasis>
|
||
cf.
|
||
<emphasis box="[1150,1217,700,723]" italics="true" pageId="2" pageNumber="85">venter</emphasis>
|
||
is too unclear to draw ecological conclusions from their presence in the sample.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="85" type="discussion">
|
||
<paragraph blockId="2.[136,1452,158,1551]" pageId="2" pageNumber="85">
|
||
<emphasis bold="true" box="[189,475,771,795]" pageId="2" pageNumber="85">Taxonomic comments:—</emphasis>
|
||
<bibRefCitation author="Morales, E. A. & Wetzel, Z. E. & Ector, L." box="[474,707,771,795]" pageId="2" pageNumber="85" pagination="23 - 70" refId="ref3093" refString="Morales, E. A., Wetzel, Z. E. & Ector, L. (2021) New and poorly known´araphid " diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in´araphid " diatom taxonomy. PhytoKeys 187: 23 - 70. https: // doi. org / 10.3897 / phytokeys. 187.73338" type="journal article" year="2021">
|
||
Morales
|
||
<emphasis box="[571,627,771,795]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
(2021)
|
||
</bibRefCitation>
|
||
discuss a large number of
|
||
<taxonomicName box="[1006,1279,771,795]" pageId="2" pageNumber="85">
|
||
<emphasis box="[1006,1193,771,795]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
that are known worldwide when they described several new species from
|
||
<collectingCountry box="[769,851,807,831]" name="Bolivia" pageId="2" pageNumber="85">Bolivia</collectingCountry>
|
||
. Based on valve outline and valve dimensions, the new
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[136,366,843,867]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
<emphasis box="[136,366,843,867]" italics="true" pageId="2" pageNumber="85">P. ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
shows some similarity with the group of
|
||
<taxonomicName authority="(Hustedt) E. Morales (2005: 115)" authorityName="E. Morales" authorityPageNumber="115" authorityYear="2005" baseAuthorityName="Hustedt" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="subsalina">
|
||
<emphasis box="[839,1139,843,867]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira subsalina</emphasis>
|
||
(Hustedt) E.
|
||
<bibRefCitation author="Morales, E. A." pageId="2" pageNumber="85" pagination="113 - 133" refId="ref2899" refString="Morales, E. A. (2005) Observations of the morphology of some known and new fragilarioid diatoms (Bacillariophyceae) from rivers in the USA. Phycological Research 53 (2): 113 - 133. https: // doi. org / 10.1111 / j. 1440 - 1835.2005. tb 00363. x" type="journal article" year="2005">Morales (2005: 115)</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="E.A.Morales & M.B.Edlund" authorityYear="2003" box="[240,361,879,903]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="polonica">
|
||
<emphasis box="[240,361,879,903]" italics="true" pageId="2" pageNumber="85">P. polonica</emphasis>
|
||
</taxonomicName>
|
||
(M.Witak & Lange-Bertalot in
|
||
<bibRefCitation author="Witkowski, A. & Lange-Bertalot, H. & Witak, M." box="[712,1012,879,903]" pageId="2" pageNumber="85" pagination="729 - 741" refId="ref3284" refString="Witkowski, A., Lange-Bertalot, H. & Witak, M. (1995) Diatom taxa of unusual frustule structure belonging to the genus Fragilaria. Fragmenta Floristica et Geobotanica 40 (2): 729 - 741." type="journal article" year="1995">
|
||
Witkowski
|
||
<emphasis box="[836,892,879,903]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
1995: 736
|
||
</bibRefCitation>
|
||
) E.Morales & M.B.Edlund (2003: 235).
|
||
<taxonomicName authority="E. Morales, C. E. Wetzel & Ector (2021: 40)" authorityName="E. Morales, C. E. Wetzel & Ector" authorityPageNumber="40" authorityYear="2021" box="[136,866,915,939]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="occulta">
|
||
<emphasis box="[136,408,915,939]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira occulta</emphasis>
|
||
E.Morales, C.E.Wetzel & Ector (2021: 40)
|
||
</taxonomicName>
|
||
shows comparable valve dimensions (length 7–35 µm, width 3.5–4.0 µm) and, at least in the longer range of the size diminution series, a comparable valve outline with almost parallel margins. However, differences can be noted in the shape of the apices (squarish in
|
||
<taxonomicName authorityName="E. Morales, C. E. Wetzel & Ector" authorityYear="2021" box="[1098,1202,987,1011]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="occulta">
|
||
<emphasis box="[1098,1202,987,1011]" italics="true" pageId="2" pageNumber="85">P. occulta</emphasis>
|
||
</taxonomicName>
|
||
, more broadly rounded in
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[164,392,1023,1047]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
<emphasis box="[164,392,1023,1047]" italics="true" pageId="2" pageNumber="85">P. ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
), stria density (
|
||
<quantity box="[561,657,1023,1047]" metricMagnitude="-1" metricUnit="m" metricValue="3.81" metricValueMax="4.064" metricValueMin="3.556" pageId="2" pageNumber="85" unit="in" value="15.0" valueMax="16.0" valueMin="14.0">14–16 in</quantity>
|
||
10 µm in
|
||
<taxonomicName authorityName="E. Morales, C. E. Wetzel & Ector" authorityYear="2021" box="[771,878,1023,1047]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="occulta">
|
||
<emphasis box="[771,878,1023,1047]" italics="true" pageId="2" pageNumber="85">P. occulta</emphasis>
|
||
</taxonomicName>
|
||
versus
|
||
<quantity box="[961,1056,1023,1047]" metricMagnitude="-1" metricUnit="m" metricValue="4.318" metricValueMax="4.572" metricValueMin="4.064" pageId="2" pageNumber="85" unit="in" value="17.0" valueMax="18.0" valueMin="16.0">16–18 in</quantity>
|
||
10 µm in
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[1170,1396,1023,1047]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
P.
|
||
<emphasis box="[1196,1396,1023,1047]" italics="true" pageId="2" pageNumber="85">ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
) and stria structure. In
|
||
<taxonomicName authorityName="E. Morales, C. E. Wetzel & Ector" authorityYear="2021" box="[328,434,1059,1083]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="occulta">
|
||
<emphasis box="[328,434,1059,1083]" italics="true" pageId="2" pageNumber="85">P. occulta</emphasis>
|
||
</taxonomicName>
|
||
, striae are usually composed of 3–4 areolae whereas striae with 3 areolae are rather rare in
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
<emphasis italics="true" pageId="2" pageNumber="85">P. ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
. Due to the high degree of erosion, it was not possible to comment on the structure and shape of the apical pore field (covered by an external flap in
|
||
<taxonomicName authorityName="E. Morales, C. E. Wetzel & Ector" authorityYear="2021" box="[654,758,1131,1155]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="occulta">
|
||
<emphasis box="[654,758,1131,1155]" italics="true" pageId="2" pageNumber="85">P. occulta</emphasis>
|
||
</taxonomicName>
|
||
) and the linking spines.
|
||
<taxonomicName authorityName="E. Morales" authorityYear="2005" baseAuthorityName="Hustedt" box="[1023,1320,1131,1155]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="subsalina">
|
||
<emphasis box="[1023,1320,1131,1155]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira subsalina</emphasis>
|
||
</taxonomicName>
|
||
has broader valves (valve width 4.0–5.5 µm), a lower stria density (
|
||
<quantity box="[721,816,1167,1191]" metricMagnitude="-1" metricUnit="m" metricValue="3.429" metricValueMax="3.556" metricValueMin="3.302" pageId="2" pageNumber="85" unit="in" value="13.5" valueMax="14.0" valueMin="13.0">13–14 in</quantity>
|
||
10 µm), a higher number of areolae per stria, a larger apical pore field (compared to the reduced pore field in
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" box="[675,903,1203,1227]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
<emphasis box="[675,903,1203,1227]" italics="true" pageId="2" pageNumber="85">P. ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
), and a broader transition step between valve face and mantle, excluding possible conspecificity (
|
||
<bibRefCitation author="Cejudo-Figueiras, C. & Morales, E. A. & Wetzel, C. E. & Blanco, S. & Hoffmann, L. & Ector, L." box="[644,959,1239,1263]" pageId="2" pageNumber="85" pagination="67 - 77" refId="ref2215" refString="Cejudo-Figueiras, C., Morales, E. A., Wetzel, C. E., Blanco, S., Hoffmann, L. & Ector, L. (2011) Analysis of the type of Fragilaria construens var. subsalina (Bacillariophyceae) and description of two morphologically related taxa from Europe and the United States. Phycologia 50 (1): 67 - 77. https: // doi. org / 10.2216 / 09 - 40.1" type="journal article" year="2011">
|
||
Cejudo-Figueiras
|
||
<emphasis box="[839,894,1239,1263]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2011
|
||
</bibRefCitation>
|
||
).
|
||
<taxonomicName authority="M. L. Garcia et al." authorityName="M. L. Garcia" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="zolitschkae">
|
||
<emphasis box="[978,1292,1239,1263]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira zolitschkae</emphasis>
|
||
M.L.García
|
||
<emphasis italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Garcia, M. L. & Bustos, S. & Villacis, L. A. & Laprida, C. & Mayr, C. & Moreno, P. I. & Maidana, N. I. & Morales, E. A." box="[209,461,1275,1299]" pageId="2" pageNumber="85" pagination="255 - 272" refId="ref2380" refString="Garcia, M. L., Bustos, S., Villacis, L. A., Laprida, C., Mayr, C., Moreno, P. I., Maidana, N. I. & Morales, E. A. (2021) New araphid species of the genus Pseudostaurosira (Bacillariophyceae) from southern Patagonia. European Journal of Phycology 56 (3): 255 - 272. https: // doi. org / 10.1080 / 09670262.2020.1813810" type="journal article" year="2021">
|
||
Garcia
|
||
<emphasis box="[289,344,1275,1299]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2021: 265
|
||
</bibRefCitation>
|
||
) differs in having acutely protracted valve apices and a much lower stria density (
|
||
<quantity box="[1356,1452,1275,1299]" metricMagnitude="-1" metricUnit="m" metricValue="3.175" metricValueMax="3.556" metricValueMin="2.794" pageId="2" pageNumber="85" unit="in" value="12.5" valueMax="14.0" valueMin="11.0">11–14 in</quantity>
|
||
µm) (
|
||
<bibRefCitation author="Garcia, M. L. & Bustos, S. & Villacis, L. A. & Laprida, C. & Mayr, C. & Moreno, P. I. & Maidana, N. I. & Morales, E. A." box="[195,393,1311,1335]" pageId="2" pageNumber="85" pagination="255 - 272" refId="ref2380" refString="Garcia, M. L., Bustos, S., Villacis, L. A., Laprida, C., Mayr, C., Moreno, P. I., Maidana, N. I. & Morales, E. A. (2021) New araphid species of the genus Pseudostaurosira (Bacillariophyceae) from southern Patagonia. European Journal of Phycology 56 (3): 255 - 272. https: // doi. org / 10.1080 / 09670262.2020.1813810" type="journal article" year="2021">
|
||
García
|
||
<emphasis box="[275,329,1311,1335]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2021
|
||
</bibRefCitation>
|
||
). Other taxa in this group differ by the shape of the areolae (
|
||
<taxonomicName authorityName="E.A.Morales & M.B.Edlund" authorityYear="2003" box="[1040,1159,1311,1335]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="polonica">
|
||
<emphasis box="[1040,1159,1311,1335]" italics="true" pageId="2" pageNumber="85">P. polonica</emphasis>
|
||
</taxonomicName>
|
||
has only one, transapically elongated areola per striae), valve dimensions or valve outline.
|
||
<taxonomicName authority="Grana et al. (2018: 63)" authorityName="Grana" authorityPageNumber="63" authorityYear="2018" box="[829,1407,1347,1371]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="oliveraiana">
|
||
<emphasis box="[829,1148,1347,1371]" italics="true" pageId="2" pageNumber="85">Pseudostaurosira oliveraiana</emphasis>
|
||
<bibRefCitation author="Grana, L. & Morales, E. A. & Maidana, N. I. & Ector, L." box="[1156,1407,1347,1371]" pageId="2" pageNumber="85" pagination="60 - 72" refId="ref2469" refString="Grana, L., Morales, E. A., Maidana, N. I. & Ector, L. (2018) Two new species of Staurosira and Pseudostaurosira (Bacillariophyta) from the highlands of Argentina (south-central Andes) and two new nomenclatural combinations. Phytotaxa 365 (1): 60 - 72. https: // doi. org / 10.11646 / phytotaxa. 365.1.2" type="journal article" year="2018">
|
||
Grana
|
||
<emphasis box="[1230,1285,1347,1371]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
(2018: 63)
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
has longer valves (19–39 µm) and typically capitate to rostrate apices throughout its entire cell diminution series (
|
||
<bibRefCitation author="Grana, L. & Morales, E. A. & Maidana, N. I. & Ector, L." pageId="2" pageNumber="85" pagination="60 - 72" refId="ref2469" refString="Grana, L., Morales, E. A., Maidana, N. I. & Ector, L. (2018) Two new species of Staurosira and Pseudostaurosira (Bacillariophyta) from the highlands of Argentina (south-central Andes) and two new nomenclatural combinations. Phytotaxa 365 (1): 60 - 72. https: // doi. org / 10.11646 / phytotaxa. 365.1.2" type="journal article" year="2018">
|
||
Grana
|
||
<emphasis box="[1397,1452,1383,1407]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2018
|
||
</bibRefCitation>
|
||
, figs 2–15). Smaller taxa such as
|
||
<taxonomicName authority="Cejudo-Figueiras, E. Morales & Ector" authorityName="Cejudo-Figueiras, E. Morales & Ector" box="[551,1096,1419,1443]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="alvareziae">
|
||
<emphasis box="[551,688,1419,1443]" italics="true" pageId="2" pageNumber="85">P. alvareziae</emphasis>
|
||
Cejudo-Figueiras, E.Morales & Ector
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Cejudo-Figueiras, C. & Morales, E. A. & Wetzel, C. E. & Blanco, S. & Hoffmann, L. & Ector, L." pageId="2" pageNumber="85" pagination="67 - 77" refId="ref2215" refString="Cejudo-Figueiras, C., Morales, E. A., Wetzel, C. E., Blanco, S., Hoffmann, L. & Ector, L. (2011) Analysis of the type of Fragilaria construens var. subsalina (Bacillariophyceae) and description of two morphologically related taxa from Europe and the United States. Phycologia 50 (1): 67 - 77. https: // doi. org / 10.2216 / 09 - 40.1" type="journal article" year="2011">
|
||
Cejudo-Figueiras
|
||
<emphasis box="[1331,1385,1419,1443]" italics="true" pageId="2" pageNumber="85">et al.</emphasis>
|
||
2011: 69
|
||
</bibRefCitation>
|
||
) and
|
||
<taxonomicName authority="E. Morales, C. E. Wetzel & Ector (2021: 41)" authorityName="E. Morales, C. E. Wetzel & Ector" authorityPageNumber="41" authorityYear="2021" box="[225,804,1455,1479]" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="oblonga">
|
||
<emphasis box="[225,338,1455,1479]" italics="true" pageId="2" pageNumber="85">P. oblonga</emphasis>
|
||
E.Morales, C.E.Wetzel & Ector (2021: 41)
|
||
</taxonomicName>
|
||
have a more elliptic to elliptic-lanceolate valve outline with strictly convex margins, with elongated, more linear-lanceolate valves so far not observed for these species, in contrast to
|
||
<taxonomicName authorityName="Andre, Sabbe & Van de Vijver" authorityYear="2023" class="Bacillariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="85" phylum="Bacillariophyta" rank="species" species="ellipticolanceolata">
|
||
<emphasis italics="true" pageId="2" pageNumber="85">P. ellipticolanceolata</emphasis>
|
||
</taxonomicName>
|
||
that shows a more linear outline with parallel margins in the longer specimens.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |