256 lines
57 KiB
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256 lines
57 KiB
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<document id="B852916BA2F166B4E1885E3CDA525A32" ID-DOI="10.11646/phytotaxa.306.4.4" ID-ISSN="1179-3163" ID-Zenodo-Dep="13696136" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725563264783" checkinUser="felipe" docAuthor="Vijver, Bart Van De & Cohu, René Le" docDate="2017" docId="03EF0D24FF84FFBD07F4F9C04085B384" docLanguage="en" docName="phytotaxa.306.4.4.pdf" docOrigin="Phytotaxa 306 (4)" docSource="http://dx.doi.org/10.11646/phytotaxa.306.4.4" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Diatomella colonialis Vijver & Cohu, 2017, sp. nov." docType="treatment" docVersion="3" lastPageNumber="283" masterDocId="FFD6755CFF85FFBF077CFFB04373B441" masterDocTitle="Diatomella colonialis, a new diatom species (Bacillariophyta) from the sub-Antarctic Region" masterLastPageNumber="286" masterPageNumber="281" pageNumber="282" updateTime="1725564220652" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="333C39BF628C6DC0B7D2592E652196A0">
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<mods:title id="08BB0CF768B2EEEB72E60703FD9C824D">Diatomella colonialis, a new diatom species (Bacillariophyta) from the sub-Antarctic Region</mods:title>
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<mods:name id="B57A3E0BA3EF2E9116B1B4BDD52A8A40" type="personal">
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<mods:namePart id="F0BA1D96BF1A5DB4C3F6963A45855C32">Vijver, Bart Van De</mods:namePart>
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<mods:affiliation id="1102612142933A555CE339EC2D67FBB0">University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B- 2610 Wilrijk, Antwerpen, Belgium</mods:affiliation>
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<mods:namePart id="5E971523D9D07C501F814667059906C7">Cohu, René Le</mods:namePart>
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<mods:affiliation id="A4893D03F185F4019C7281B02D9A9768">Université de Toulouse, ECOLAB, 118, Route de Narbonne, F- 31062, Toulouse, France</mods:affiliation>
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<mods:typeOfResource id="DC4DE5ADA7CA19F518BB3F863319160E">text</mods:typeOfResource>
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<mods:title id="970DBB6A067E530D819176CE04DF17F1">Phytotaxa</mods:title>
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<mods:part id="C74315B8B39FA7E08751EB85DC82A379">
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<mods:date id="5EABEB82A3648D770BC05C96C488CB2C">2017</mods:date>
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<mods:number id="29B165692CAA09A2FFB4EF331BD61AEA">2017-05-16</mods:number>
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<mods:identifier id="B863E356A3F41ADCFBD0CFF08688F415" type="DOI">10.11646/phytotaxa.306.4.4</mods:identifier>
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<treatment id="03EF0D24FF84FFBD07F4F9C04085B384" ID-DOI="http://doi.org/10.5281/zenodo.13696021" ID-Zenodo-Dep="13696021" LSID="urn:lsid:plazi:treatment:03EF0D24FF84FFBD07F4F9C04085B384" httpUri="http://treatment.plazi.org/id/03EF0D24FF84FFBD07F4F9C04085B384" lastPageId="2" lastPageNumber="283" pageId="1" pageNumber="282">
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<subSubSection id="C35CEFB9FF84FFBE07F4F9C042C5B3C4" pageId="1" pageNumber="282" type="nomenclature">
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<paragraph id="8BF9BC32FF84FFBE07F4F9C04103B2CA" blockId="1.[136,1452,1648,2069]" box="[136,624,1648,1675]" pageId="1" pageNumber="282">
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<heading id="D0B10B5EFF84FFBE07F4F9C04103B2CA" bold="true" box="[136,624,1648,1675]" fontSize="11" level="1" pageId="1" pageNumber="282" reason="1">
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<emphasis id="B9326020FF84FFBE07F4F9C04103B2CA" bold="true" box="[136,624,1648,1675]" pageId="1" pageNumber="282">
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<taxonomicName id="4C46C7B1FF84FFBE07F4F9C0420CB2CA" authorityName="Vijver & Cohu" authorityYear="2017" box="[136,383,1648,1675]" class="Bacillariophyceae" family="Achnanthaceae" genus="Diatomella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="1" pageNumber="282" phylum="Ochrophyta" rank="species" species="colonialis" status="sp. nov.">
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<emphasis id="B9326020FF84FFBE07F4F9C0420CB2CA" bold="true" box="[136,383,1648,1675]" italics="true" pageId="1" pageNumber="282">Diatomella colonialis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A201DD5BFF84FFBE06FAF9C242ACB2CA" box="[390,479,1650,1675]" pageId="1" pageNumber="282" rank="species">sp. nov.</taxonomicNameLabel>
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(
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<figureCitation id="137DA0B7FF84FFBE0689F9C2411AB2CA" box="[501,617,1650,1675]" captionStart-0="FIGURES 1–31" captionStart-1="FIGURES 32–38" captionStartId-0="2.[136,243,1463,1484]" captionStartId-1="3.[136,243,1849,1870]" captionTargetBox-0="[151,1436,639,1438]" captionTargetBox-1="[151,1436,190,1824]" captionTargetId-0="figure-266@2.[151,1436,638,1438]" captionTargetId-1="figure-16@3.[151,1436,190,1824]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionText-0="FIGURES 1–31. Diatomella colonialis sp. nov. Light microscopy views. Holotype population from Iles Kerguelen (sample Port Bizet). 1–3. Initial valves. 4–25. Valve views showing the broad range of valve dimensions. 26–29. Observations on scalariform valvocopulae. 30-31. Two colonies with frustules connected by linking spines. Scale bar represents 10 μm." captionText-1="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi-0="http://doi.org/10.5281/zenodo.13696138" figureDoi-1="http://doi.org/10.5281/zenodo.13696140" httpUri-0="https://zenodo.org/record/13696138/files/figure.png" httpUri-1="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Figs 1–38</figureCitation>
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)
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||
</emphasis>
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||
</heading>
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</paragraph>
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<paragraph id="8BF9BC32FF84FFBE07F4F92842C5B3C4" blockId="1.[136,1452,1648,2069]" pageId="1" pageNumber="282">
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<emphasis id="B9326020FF84FFBE07F4F9284256B2EC" bold="true" box="[136,293,1688,1709]" pageId="1" pageNumber="282">
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LM (
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<figureCitation id="137DA0B7FF84FFBE07C7F928426DB2EC" box="[187,286,1688,1709]" captionStart="FIGURES 1–31" captionStartId="2.[136,243,1463,1484]" captionTargetBox="[151,1436,639,1438]" captionTargetId="figure-266@2.[151,1436,638,1438]" captionTargetPageId="2" captionText="FIGURES 1–31. Diatomella colonialis sp. nov. Light microscopy views. Holotype population from Iles Kerguelen (sample Port Bizet). 1–3. Initial valves. 4–25. Valve views showing the broad range of valve dimensions. 26–29. Observations on scalariform valvocopulae. 30-31. Two colonies with frustules connected by linking spines. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696138" httpUri="https://zenodo.org/record/13696138/files/figure.png" pageId="1" pageNumber="282">Figs 1–31</figureCitation>
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)
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</emphasis>
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:—Frustules rectangular in girdle view, forming short chains of up to 10 cells (
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<figureCitation id="137DA0B7FF84FFBE0368F92847F0B2EC" box="[1044,1155,1688,1709]" captionStart="FIGURES 1–31" captionStartId="2.[136,243,1463,1484]" captionTargetBox="[151,1436,639,1438]" captionTargetId="figure-266@2.[151,1436,638,1438]" captionTargetPageId="2" captionText="FIGURES 1–31. Diatomella colonialis sp. nov. Light microscopy views. Holotype population from Iles Kerguelen (sample Port Bizet). 1–3. Initial valves. 4–25. Valve views showing the broad range of valve dimensions. 26–29. Observations on scalariform valvocopulae. 30-31. Two colonies with frustules connected by linking spines. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696138" httpUri="https://zenodo.org/record/13696138/files/figure.png" pageId="1" pageNumber="282">Figs 30, 31</figureCitation>
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). Girdle very broad, composed of several copulae (
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<figureCitation id="137DA0B7FF84FFBE0606F90C4298B290" box="[378,491,1724,1745]" captionStart="FIGURES 1–31" captionStartId="2.[136,243,1463,1484]" captionTargetBox="[151,1436,639,1438]" captionTargetId="figure-266@2.[151,1436,638,1438]" captionTargetPageId="2" captionText="FIGURES 1–31. Diatomella colonialis sp. nov. Light microscopy views. Holotype population from Iles Kerguelen (sample Port Bizet). 1–3. Initial valves. 4–25. Valve views showing the broad range of valve dimensions. 26–29. Observations on scalariform valvocopulae. 30-31. Two colonies with frustules connected by linking spines. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696138" httpUri="https://zenodo.org/record/13696138/files/figure.png" pageId="1" pageNumber="282">Figs 30, 31</figureCitation>
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). Valvocopula with one large, usually quadrangular opening in the middle and two smaller rounded openings near the apices. Valves linear-lanceolate (larger specimens) to almost elliptical (smaller specimens) with almost parallel to weakly convex margins and broadly rounded, never protracted apices. Valve dimensions (n=50): length 6.0–30.0 μm, width 3.0–6.5 μm. Axial area very broad, reaching almost 90% of the total valve width. Central area absent. Raphe branches short, straight with indistinct, simple proximal raphe endings. Distal raphe endings not discernible in LM. Striae very short, reduced to the valve margins,
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<quantity id="4CBE11D7FF84FFBE066AF8C04218B3C4" box="[278,363,1904,1925]" metricMagnitude="-1" metricUnit="m" metricValue="4.826" metricValueMax="5.08" metricValueMin="4.572" pageId="1" pageNumber="282" unit="in" value="19.0" valueMax="20.0" valueMin="18.0">18–20 in</quantity>
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10 μm.
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C35CEFB9FF84FFBD07F4F8244615B65C" lastPageId="2" lastPageNumber="283" pageId="1" pageNumber="282" type="description">
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<paragraph id="8BF9BC32FF84FFBD07F4F8244615B65C" blockId="1.[136,1452,1648,2069]" lastBlockId="2.[136,1452,160,613]" lastPageId="2" lastPageNumber="283" pageId="1" pageNumber="282">
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<emphasis id="B9326020FF84FFBE07F4F8244236B3E8" bold="true" box="[136,325,1940,1961]" pageId="1" pageNumber="282">
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SEM (
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<figureCitation id="137DA0B7FF84FFBE07B7F824424EB3E8" box="[203,317,1940,1961]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Figs 32–38</figureCitation>
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)
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</emphasis>
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||
:—Frustules connected to each other by their valve faces with small, bifurcated marginal spines (
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<figureCitation id="137DA0B7FF84FFBE0271F824462BB3E8" box="[1293,1368,1940,1961]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Fig. 32</figureCitation>
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). Spines positioned between striae on the valve face/mantle junction (
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<figureCitation id="137DA0B7FF84FFBE0471F8084025B38C" box="[781,854,1976,1997]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Fig. 33</figureCitation>
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). Occasionally, valves lacking spines present (
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<figureCitation id="137DA0B7FF84FFBE0266F8084610B38C" box="[1306,1379,1976,1997]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Fig. 35</figureCitation>
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). Valve face and girdle bands often covered by small silica granules and plaques (
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<figureCitation id="137DA0B7FF84FFBE04D4F86C476DB3B0" box="[936,1054,2012,2033]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Figs 33, 35</figureCitation>
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). Externally, striae very short, biseriate, composed of only a few areolae on the valve face. Areolae paired, very small, rounded to squarish (
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<figureCitation id="137DA0B7FF84FFBE03EAF7B04793BC54" box="[1174,1248,2048,2069]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="1" pageNumber="282">Fig. 34</figureCitation>
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). Transition between valve face and mantle curved with biseriate striae continuing onto the valve mantle abutting a wide, non-porous valve margin (
|
||
<figureCitation id="137DA0B7FF87FFBD02FDFF10438FB498" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Figs 33, 34</figureCitation>
|
||
). Towards the apices, striae longer with up to 4 paired areolae (
|
||
<figureCitation id="137DA0B7FF87FFBD0427FF7440D0B498" box="[859,931,196,217]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 35</figureCitation>
|
||
). External raphe branches very short, confined to both apices, slightly undulating with very simple, straight proximal endings (
|
||
<figureCitation id="137DA0B7FF87FFBD0410FF5840A8B4BC" box="[876,987,232,253]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Figs 34, 35</figureCitation>
|
||
). Terminal raphe fissures lacking; external distal endings simple (
|
||
<figureCitation id="137DA0B7FF87FFBD0627FEBC42D0B560" box="[347,419,268,289]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 35</figureCitation>
|
||
). Internally, a large axial plate, expanding laterally from the axial area occludes more than 75% of the valve face (
|
||
<figureCitation id="137DA0B7FF87FFBD078EFE804213B504" box="[242,352,304,325]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Figs 36, 37</figureCitation>
|
||
). Striae alveolate, wider than their intervening virgae (
|
||
<figureCitation id="137DA0B7FF87FFBD0414FE8040DCB504" box="[872,943,304,325]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 37</figureCitation>
|
||
). Paired areolae separated by low silica vimines (
|
||
<figureCitation id="137DA0B7FF87FFBD02F8FE8043ABB528" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 37</figureCitation>
|
||
). Internal raphe branches simple, short (
|
||
<figureCitation id="137DA0B7FF87FFBD052AFEE441B6B528" box="[598,709,340,361]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Figs 36, 37</figureCitation>
|
||
). Proximal raphe endings not co-axial, unexpanded, asymmetrically deflected to the same side (
|
||
<figureCitation id="137DA0B7FF87FFBD0616FEC842C7B5CC" box="[362,436,376,397]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 36</figureCitation>
|
||
). Distal raphe endings straight. Helictoglossae almost absent (
|
||
<figureCitation id="137DA0B7FF87FFBD036FFEC847F6B5CC" box="[1043,1157,376,397]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Figs 36, 37</figureCitation>
|
||
). Cingulum composed of four open, non-perforated copulae (
|
||
<figureCitation id="137DA0B7FF87FFBD0698FE2C4158B5F0" box="[484,555,412,433]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 33</figureCitation>
|
||
). Valvocopula (VC) almost twice as wide as the other three (C1–C3). Copula C1 possessing a large ligula (
|
||
<figureCitation id="137DA0B7FF87FFBD064AFE70420DB594" box="[310,382,448,469]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 33</figureCitation>
|
||
). Irregularly shaped siliceous plaques present on the abvalvar side of the valvocopula and scattered on the other copulae, forming a granular ornamentation (
|
||
<figureCitation id="137DA0B7FF87FFBD0516FE5441C1B5B8" box="[618,690,484,505]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 33</figureCitation>
|
||
, see arrows). Valvocopula with two large, interdigitating projections (
|
||
<figureCitation id="137DA0B7FF87FFBD0224FE5446ECB5B8" box="[1368,1439,484,505]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 38</figureCitation>
|
||
), defining one large, usually quadrangular opening in the middle, and two smaller rounded openings near the apices (
|
||
<figureCitation id="137DA0B7FF87FFBD026EFDB84629B65C" box="[1298,1370,520,541]" captionStart="FIGURES 32–38" captionStartId="3.[136,243,1849,1870]" captionTargetBox="[151,1436,190,1824]" captionTargetId="figure-16@3.[151,1436,190,1824]" captionTargetPageId="3" captionText="FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13696140" httpUri="https://zenodo.org/record/13696140/files/figure.png" pageId="2" pageNumber="283">Fig. 38</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35CEFB9FF87FFBD07F4FD9C42C0B624" pageId="2" pageNumber="283" type="materials_examined">
|
||
<paragraph id="8BF9BC32FF87FFBD07F4FD9C42C0B624" blockId="2.[136,1452,160,613]" pageId="2" pageNumber="283">
|
||
<emphasis id="B9326020FF87FFBD07F4FD9C43C9B600" bold="true" box="[136,186,556,577]" pageId="2" pageNumber="283">Type</emphasis>
|
||
:—
|
||
<materialsCitation id="3B2EB66FFF87FFBD07AAFD9C42C3B624" collectionCode="BR, PLP" collectorName="Port" county="Port Bizet" location="Iles Kerguelen" municipality="Ile Longue" pageId="2" pageNumber="283" specimenCount="2" typeStatus="holotype">
|
||
SUB-ANTARCTICA.
|
||
<location id="8E99EAE9FF87FFBD06C8FD9C4132B600" LSID="urn:lsid:plazi:treatment:03EF0D24FF84FFBD07F4F9C04085B384:8E99EAE9FF87FFBD06C8FD9C4132B600" box="[436,577,556,577]" county="Port Bizet" municipality="Ile Longue" name="Iles Kerguelen" pageId="2" pageNumber="283">Iles Kerguelen</location>
|
||
,
|
||
<collectingMunicipality id="6B9D2648FF87FFBD0536FD9C41C6B600" box="[586,693,556,577]" pageId="2" pageNumber="283">Ile Longue</collectingMunicipality>
|
||
, sample
|
||
<collectingCounty id="6298C4BEFF87FFBD047AFD9C401BB600" box="[774,872,556,577]" pageId="2" pageNumber="283">
|
||
<collectorName id="26B3D9E4FF87FFBD047AFD9C405DB600" box="[774,814,556,577]" pageId="2" pageNumber="283">Port</collectorName>
|
||
Bizet
|
||
</collectingCounty>
|
||
, coll. date 1975 (
|
||
<typeStatus id="54FD0290FF87FFBD0372FD9C4715B600" box="[1038,1126,556,577]" pageId="2" pageNumber="283" type="holotype">holotype</typeStatus>
|
||
, slide no.
|
||
<collectionCode id="ED5724F7FF87FFBD03B9FD9C4799B600" box="[1221,1258,556,577]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="2" pageNumber="283">BR</collectionCode>
|
||
! 4470;
|
||
<typeStatus id="54FD0290FF87FFBD0252FD9C4605B600" box="[1326,1398,556,577]" pageId="2" pageNumber="283" type="isotype">isotype</typeStatus>
|
||
, slide
|
||
<collectionCode id="ED5724F7FF87FFBD07C1FDE04398B624" box="[189,235,592,613]" country="India" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15781" lsid="urn:lsid:biocol.org:col:15781" name="Institute of Himalayan Bioresource Technology" pageId="2" pageNumber="283" type="Herbarium">PLP</collectionCode>
|
||
! 318, PC! 0145188)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF39ECBAFF87FFBD07F4FA07408DB255" ID-DOI="http://doi.org/10.5281/zenodo.13696138" ID-Zenodo-Dep="13696138" httpUri="https://zenodo.org/record/13696138/files/figure.png" pageId="2" pageNumber="283" startId="2.[136,243,1463,1484]" targetBox="[151,1436,639,1438]" targetPageId="2" targetType="figure">
|
||
<paragraph id="8BF9BC32FF87FFBD07F4FA07408DB255" blockId="2.[136,1453,1463,1556]" pageId="2" pageNumber="283">
|
||
<emphasis id="B9326020FF87FFBD07F4FA074259B18D" bold="true" box="[136,298,1463,1484]" pageId="2" pageNumber="283">FIGURES 1–31</emphasis>
|
||
.
|
||
<taxonomicName id="4C46C7B1FF87FFBD064AFA074174B18D" authorityName="Vijver & Cohu" authorityYear="2017" box="[310,519,1463,1484]" class="Bacillariophyceae" family="Achnanthaceae" genus="Diatomella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="colonialis" status="sp. nov.">
|
||
<emphasis id="B9326020FF87FFBD064AFA074174B18D" box="[310,519,1463,1484]" italics="true" pageId="2" pageNumber="283">Diatomella colonialis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A201DD5BFF87FFBD0572FA07412BB18D" box="[526,600,1463,1484]" pageId="2" pageNumber="283" rank="species">
|
||
<emphasis id="B9326020FF87FFBD0572FA074150B18D" box="[526,547,1463,1484]" italics="true" pageId="2" pageNumber="283">sp</emphasis>
|
||
.
|
||
<emphasis id="B9326020FF87FFBD0553FA074121B18D" box="[559,594,1463,1484]" italics="true" pageId="2" pageNumber="283">nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
Light microscopy views. Holotype population from Iles Kerguelen (sample Port Bizet). 1–3. Initial valves. 4–25. Valve views showing the broad range of valve dimensions. 26–29. Observations on scalariform valvocopulae. 30-31. Two colonies with frustules connected by linking spines. Scale bar represents 10 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C35CEFB9FF87FFBD07F4F9D84665B2C0" box="[136,1302,1640,1665]" pageId="2" pageNumber="283" type="etymology">
|
||
<paragraph id="8BF9BC32FF87FFBD07F4F9D84665B2C0" blockId="2.[136,1452,1640,1989]" box="[136,1302,1640,1665]" pageId="2" pageNumber="283">
|
||
<emphasis id="B9326020FF87FFBD07F4F9D8427AB2C0" bold="true" box="[136,265,1640,1665]" pageId="2" pageNumber="283">Etymology</emphasis>
|
||
:—The specific epithet
|
||
<taxonomicName id="4C46C7B1FF87FFBD056DF9D841FBB2C0" authorityName="Vijver & Cohu" authorityYear="2017" box="[529,648,1640,1665]" class="Bacillariophyceae" family="Achnanthaceae" genus="Diatomella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="colonialis">
|
||
‘
|
||
<emphasis id="B9326020FF87FFBD0566F9D841FBB2C0" box="[538,648,1640,1665]" italics="true" pageId="2" pageNumber="283">colonialis</emphasis>
|
||
</taxonomicName>
|
||
’ refers to the feature of this species to
|
||
<taxonomicName id="4C46C7B1FF87FFBD0347F9D847D9B2C0" box="[1083,1194,1640,1665]" form="long" pageId="2" pageNumber="283" rank="form">form long</taxonomicName>
|
||
colonies.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C35CEFB9FF87FFBD07C1F93C4085B384" pageId="2" pageNumber="283" type="biology_ecology">
|
||
<paragraph id="8BF9BC32FF87FFBD07C1F93C4085B384" blockId="2.[136,1452,1640,1989]" pageId="2" pageNumber="283">
|
||
<emphasis id="B9326020FF87FFBD07C1F93C42BCB2E4" bold="true" box="[189,463,1676,1701]" pageId="2" pageNumber="283">Ecology & Distribution</emphasis>
|
||
:—
|
||
<taxonomicName id="4C46C7B1FF87FFBD068FF93C4197B2E4" authorityName="Vijver & Cohu" authorityYear="2017" box="[499,740,1676,1701]" class="Bacillariophyceae" family="Achnanthaceae" genus="Diatomella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="colonialis">
|
||
<emphasis id="B9326020FF87FFBD068FF93C4197B2E4" box="[499,740,1676,1701]" italics="true" pageId="2" pageNumber="283">Diatomella colonialis</emphasis>
|
||
</taxonomicName>
|
||
is typically planktonic, collected in a pond lacking any pollution. So far the species has only been observed in this part of the Kerguelen Archipelago and is only known from the
|
||
<typeStatus id="54FD0290FF87FFBD0207F90046D8B288" box="[1403,1451,1712,1737]" pageId="2" pageNumber="283">type</typeStatus>
|
||
locality. On the nearby sub-Antarctic islands of Crozet or
|
||
<collectingCountry id="F351FCA2FF87FFBD0461F96440C2B2AC" box="[797,945,1748,1773]" name="Heard Island and McDonald Islands" pageId="2" pageNumber="283">Heard Island</collectingCountry>
|
||
, the species has never been observed. Given the age of the sample, apart from climatic data and the conductivity (250 μS/cm), no physico-chemical measurements were made. The sample was dominated by
|
||
<taxonomicName id="4C46C7B1FF87FFBD05FCF8AC4060B374" authorityName="Vijver & Cohu" authorityYear="2017" box="[640,787,1820,1845]" class="Bacillariophyceae" family="Achnanthaceae" genus="Diatomella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="colonialis">
|
||
<emphasis id="B9326020FF87FFBD05FCF8AC4060B374" box="[640,787,1820,1845]" italics="true" pageId="2" pageNumber="283">D. colonialis</emphasis>
|
||
</taxonomicName>
|
||
, together with
|
||
<taxonomicName id="4C46C7B1FF87FFBD04B9F8AC43A9B318" authority="Van de Vijver & Beyens" authorityName="Van de Vijver & Beyens" class="Bacillariophyceae" family="Sellaphoraceae" genus="Sellaphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="subantarctica">
|
||
<emphasis id="B9326020FF87FFBD04B9F8AC4790B374" box="[965,1251,1820,1845]" italics="true" pageId="2" pageNumber="283">Sellaphora subantarctica</emphasis>
|
||
Van de Vijver & Beyens
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD0671F8F04103B318" author="Van de Vijver, B. & Frenot, Y. & Beyens, L." box="[269,624,1856,1881]" pageId="2" pageNumber="283" pagination="1 - 412" refId="ref3615" refString="Van de Vijver, B., Frenot, Y. & Beyens, L. (2002) Freshwater diatoms from Ile de la Possession (Crozet Archipelago, Subantarctica). Bibliotheca Diatomologica 46: 1 - 412." type="journal article" year="2002">
|
||
Van de Vijver
|
||
<emphasis id="B9326020FF87FFBD06C9F8F04283B318" box="[437,496,1856,1881]" italics="true" pageId="2" pageNumber="283">et al.</emphasis>
|
||
2002: 109
|
||
</bibRefCitation>
|
||
),
|
||
<taxonomicName id="4C46C7B1FF87FFBD05FBF8F040F8B318" box="[647,907,1856,1881]" class="Bacillariophyceae" family="Fragilariaceae" genus="Frankophila" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="maillardii">
|
||
<emphasis id="B9326020FF87FFBD05FBF8F040F8B318" box="[647,907,1856,1881]" italics="true" pageId="2" pageNumber="283">Frankophila maillardii</emphasis>
|
||
</taxonomicName>
|
||
(Le Cohu in
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD0357F8F0439FB33C" author="Lange-Bertalot, H. & Le Cohu, R." pageId="2" pageNumber="283" pagination="213 - 220" refId="ref3282" refString="Lange-Bertalot, H. & Le Cohu, R. (1985) Raphe-like vestiges in the pennate diatom suborder Araphidinae? Annales de Limnologie 21: 213 - 220. https: // doi. org / 10.1051 / limn / 1985021" type="journal article" year="1985">Lange-Bertalot & Le Cohu 1985: 213–214</bibRefCitation>
|
||
)
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD0780F8D44155B33C" author="Lange-Bertalot, H." box="[252,550,1892,1917]" pageId="2" pageNumber="283" pagination="65 - 76" refId="ref3234" refString="Lange-Bertalot, H. (1997) Frankophila, Mayamaea und Fistulifera: drei neue Gattungen der Klasse Bacillariophyceae. Archiv fur Protistenkunde 148: 65 - 76. https: // doi. org / 10.1016 / S 0003 - 9365 (97) 80037 - 1" type="journal article" year="1997">Lange-Bertalot (1997: 71)</bibRefCitation>
|
||
,
|
||
<taxonomicName id="4C46C7B1FF87FFBD054FF8D44088B33C" authority="Carlson (1913: 23)" authorityName="Carlson" authorityPageNumber="23" authorityYear="1913" box="[563,1019,1892,1917]" class="Bacillariophyceae" family="Achnanthaceae" genus="Achnanthes" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="muelleri">
|
||
<emphasis id="B9326020FF87FFBD054FF8D44068B33C" box="[563,795,1892,1917]" italics="true" pageId="2" pageNumber="283">Achnanthes muelleri</emphasis>
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD045FF8D44088B33C" author="Carlson, G. W. F." box="[803,1019,1892,1917]" pageId="2" pageNumber="283" pagination="1 - 94" refId="ref2964" refString="Carlson, G. W. F. (1913) Susswasser-Algen aus der Antarktis, Sud-Georgien und den Falkland Inseln. Wissenschaftliche Ergebnisse der Schwedischen Sudpolar-Expedition 1901 - 1903, unter leitung von Dr. Otto Nordenskjold. Band 4. Lithographisches Institut des Generalstabs, Stockholm, pp. 1 - 94." type="book chapter" year="1913">Carlson (1913: 23)</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C46C7B1FF87FFBD0374F8D44202B3E0" authority="Van de Vijver & C. E. Wetzel" authorityName="Van de Vijver & C. E. Wetzel" authorityYear="2013" class="Bacillariophyceae" family="Achnanthaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="subantarcticum">
|
||
<emphasis id="B9326020FF87FFBD0374F8D44626B33C" box="[1032,1365,1892,1917]" italics="true" pageId="2" pageNumber="283">Planothidium subantarcticum</emphasis>
|
||
Van de Vijver & C.E.Wetzel
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD06E3F8384180B3E0" author="Van de Vijver, B. & Wetzel, C. & Kopalova, K. & Zidarova, R. & Ector, L." box="[415,755,1928,1953]" pageId="2" pageNumber="283" pagination="105 - 117" refId="ref3712" refString="Van de Vijver, B., Wetzel, C., Kopalova, K., Zidarova, R. & Ector, L. (2013) Analysis of the type material of Achnanthidium lanceolatum Brebisson ex Kutzing (Bacillariophyta) with the description of two new Planothidium species from the Antarctic Region. Fottea 13: 105 - 117. https: // doi. org / 10.5507 / fot. 2013.010" type="journal article" year="2013">
|
||
Van de Vijver
|
||
<emphasis id="B9326020FF87FFBD053DF8384109B3E0" box="[577,634,1928,1953]" italics="true" pageId="2" pageNumber="283">et al.</emphasis>
|
||
2013: 111
|
||
</bibRefCitation>
|
||
),
|
||
<taxonomicName id="4C46C7B1FF87FFBD0474F83840C5B3E0" authorityName="B.Van de Vijver" authorityYear="2004" box="[776,950,1928,1953]" class="Bacillariophyceae" family="Achnanthaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="283" phylum="Ochrophyta" rank="species" species="cyclophorum">
|
||
<emphasis id="B9326020FF87FFBD0474F83840C5B3E0" box="[776,950,1928,1953]" italics="true" pageId="2" pageNumber="283">P. cyclophorum</emphasis>
|
||
</taxonomicName>
|
||
(Heiden in
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD0341F8384601B3E0" author="Heiden, H. & Kolbe, R. W." box="[1085,1394,1928,1953]" pageId="2" pageNumber="283" pagination="447 - 715" refId="ref3183" refString="Heiden, H. & Kolbe, R. W. (1928) Die Marinen Diatomeen der Deutschen Sudpolar-Expedition, 1901 - 1903. In: Deutsche SudpolarExpedition, 1901 - 1903, herausgegeben von Erich von Drygalski. Vol. VIII. Botanik 5: 447 - 715." type="journal article" year="1928">Heiden & Kolbe 1928: 580</bibRefCitation>
|
||
) Van de Vijver (in
|
||
<bibRefCitation id="EFD7C1C3FF87FFBD0667F81C412CB384" author="Van de Vijver, B. & Frenot, Y. & Beyens, L." box="[283,607,1964,1989]" pageId="2" pageNumber="283" pagination="1 - 412" refId="ref3615" refString="Van de Vijver, B., Frenot, Y. & Beyens, L. (2002) Freshwater diatoms from Ile de la Possession (Crozet Archipelago, Subantarctica). Bibliotheca Diatomologica 46: 1 - 412." type="journal article" year="2002">
|
||
Van de Vijver
|
||
<emphasis id="B9326020FF87FFBD06C0F81C4287B384" box="[444,500,1964,1989]" italics="true" pageId="2" pageNumber="283">et al.</emphasis>
|
||
2002: 99
|
||
</bibRefCitation>
|
||
) and an unknown
|
||
<taxonomicName id="4C46C7B1FF87FFBD0452F81C4085B384" box="[814,1014,1964,1989]" class="Monogenea" family="Capsalidae" genus="Nitzschia" kingdom="Animalia" order="Capsalidea" pageId="2" pageNumber="283" phylum="Platyhelminthes" rank="species" species="undetermined">
|
||
<emphasis id="B9326020FF87FFBD0452F81C40E5B384" box="[814,918,1964,1989]" italics="true" pageId="2" pageNumber="283">Nitzschia</emphasis>
|
||
species.
|
||
</taxonomicName>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |