treatments-xml/data/03/C4/1E/03C41E51FFC2FFEE8BC8F85B9502EEC3.xml

<document ID-DOI="10.11646/phytotaxa.589.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7776942" approvalRequired="2" approvalRequired_for_taxonomicNames="2" checkinTime="1679985488493" checkinUser="plazi" docAuthor="Williams, David M. &amp; Sims, Pat A." docDate="2023" docId="03C41E51FFC2FFEE8BC8F85B9502EEC3" docLanguage="en" docName="phytotaxa.589.3.1.pdf" docOrigin="Phytotaxa 589 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.589.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.5:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="5" docTitle="Pyrgodiscus armatus Cleve 1885" docType="treatment" docVersion="1" lastPageNumber="219" masterDocId="FFFD6629FFC6FFE88B40FFDE907FE92C" masterDocTitle="Notes on the diatom collection of the Natural History Museum, London (BM) VII: An account of some original specimens of Pyrgodiscus (Bacillariophyta) with notes on Stephanogonia (Bacillariophyta)" masterLastPageNumber="229" masterPageNumber="213" pageNumber="217" updateTime="1680010277910" updateUser="juliana" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Notes on the diatom collection of the Natural History Museum, London (BM) VII: An account of some original specimens of Pyrgodiscus (Bacillariophyta) with notes on Stephanogonia (Bacillariophyta)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Williams, David M.</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-0584-307X</mods:nameIdentifier>
<mods:affiliation>d. m. williams @ nhm. ac. uk; https: // orcid. org / 0000 - 0002 - 0584 - 307 X</mods:affiliation>
<mods:nameIdentifier type="email">d.m.williams@nhm.ac.uk</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sims, Pat A.</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-0214-8303</mods:nameIdentifier>
<mods:affiliation>p. sims @ nhm. ac. uk; https: // orcid. org / 0000 - 0002 - 0214 - 8303</mods:affiliation>
<mods:nameIdentifier type="email">p.sims@nhm.ac.uk</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-03-28</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>589</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>3</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>213</mods:start>
<mods:end>229</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.11646/phytotaxa.589.3.1</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.11646/phytotaxa.589.3.1</mods:identifier>
<mods:identifier type="ISSN">1179-3163</mods:identifier>
<mods:identifier type="Zenodo-Dep">7776942</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:03C41E51FFC2FFEE8BC8F85B9502EEC3" httpUri="http://treatment.plazi.org/id/03C41E51FFC2FFEE8BC8F85B9502EEC3" lastPageId="6" lastPageNumber="219" pageId="4" pageNumber="217">
<subSubSection pageId="4" pageNumber="217" type="nomenclature">
<paragraph blockId="4.[136,1452,1925,2060]" pageId="4" pageNumber="217">
<treatmentCitationGroup pageId="4" pageNumber="217">
<treatmentCitation author="Cleve, P. T." box="[136,689,1925,1952]" page="173" pageId="4" pageNumber="217" year="1885">
<taxonomicName authority="Kitton ex Cleve 1885: 173" authorityName="Cleve" authorityPageNumber="173" authorityYear="1885" box="[136,689,1925,1952]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="4" pageNumber="217" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis bold="true" box="[136,638,1925,1952]" pageId="4" pageNumber="217">
<emphasis bold="true" box="[136,377,1925,1952]" italics="true" pageId="4" pageNumber="217">Pyrgodiscus armatus</emphasis>
Kitton ex 
<bibRefCitation author="Cleve, P. T." box="[500,638,1926,1952]" pageId="4" pageNumber="217" pagination="165 - 177" refId="ref8562" refString="Cleve, P. T. (1885) On some fossil marine diatoms found in the Moravian &quot; Tegel &quot; from Augarten, near Br ¸ nn. Journal of the Quekett Microscopical Club, ser. 2, 2: 165 - 177. [https: // www. biodiversitylibrary. org / page / 2225729 # page / 195]" type="journal article" year="1885">Cleve 1885:</bibRefCitation>
</emphasis>
173
</taxonomicName>
</treatmentCitation>
, pl. 13, fig. 13a–b, reproduced as our 
<figureCitation box="[1107,1238,1926,1952]" captionStart="FIGURES 1–8" captionStartId="2.[136,248,1660,1682]" captionTargetBox="[193,1396,386,1633]" captionTargetId="figure-133@2.[192,1396,386,1633]" captionTargetPageId="2" captionText="FIGURES 1–8. Pyrgodiscus armatus Kitton ex Cleve. 1, 4. Reproduction from Cleve 1885: pl. 13, fig.13a–b. 2, 5. Reproduced from Witt 1885: 30, pl. VI, figs 7, 8. 3, 6. Reproduction from Schmidt 1886: pl. 92, figs 15, 16. 7, 8. LM of Pyrgodiscus armatus: BM 46649, Sturt A1588, d= 85 µm; cdw = 43 µm; sp = 29µm. Scale bar = 10 µm (Figs 7, 8)." figureDoi="http://doi.org/10.5281/zenodo.7776944" httpUri="https://zenodo.org/record/7776944/files/figure.png" pageId="4" pageNumber="217">Figures 1, 4</figureCitation>
(see 
<emphasis italics="true" pageId="4" pageNumber="217">Journal of the Royal Microscopical Society</emphasis>
1885: 1042); 
<treatmentCitation author="Witt, O. N." box="[612,768,1962,1989]" page="30" pageId="4" pageNumber="217" year="1885">
<bibRefCitation author="Witt, O. N." box="[612,768,1962,1989]" pageId="4" pageNumber="217" refId="ref11980" refString="Witt, O. N. (1885) Ueber den Polierschiefer von Archangelsk-Kurojedowo im Gouv. Simbirsk, 41 pp. pls XII pls." type="book" year="1885">Witt 1885: 30</bibRefCitation>
</treatmentCitation>
, pl. VI, figs 7, 8; 
<treatmentCitation author="Witt, O. N." box="[962,1132,1962,1988]" page="166" pageId="4" pageNumber="217" year="1886">
<bibRefCitation author="Witt, O. N." box="[962,1132,1962,1988]" pageId="4" pageNumber="217" pagination="137 - 177" refId="ref12006" refString="Witt, O. N. (1886) Ueber den Polierschiefer von Archangelsk-Kurojedowo im Gouv. Simbirsk. Verhandlungen der Russisch-kaiserlichen Mineralogischen Gesellschaft zu St. Petersburg [Zapiski imperatorskago c. peterburgskago minerulogicheskugo Obshchestv], Series II, 22: 137 - 177, pls VI - XII." type="journal article" year="1886">Witt 1886: 166</bibRefCitation>
</treatmentCitation>
, pl. VI, figs 7, 8, reproduced as our 
<figureCitation box="[212,346,1998,2025]" captionStart="FIGURES 1–8" captionStartId="2.[136,248,1660,1682]" captionTargetBox="[193,1396,386,1633]" captionTargetId="figure-133@2.[192,1396,386,1633]" captionTargetPageId="2" captionText="FIGURES 1–8. Pyrgodiscus armatus Kitton ex Cleve. 1, 4. Reproduction from Cleve 1885: pl. 13, fig.13a–b. 2, 5. Reproduced from Witt 1885: 30, pl. VI, figs 7, 8. 3, 6. Reproduction from Schmidt 1886: pl. 92, figs 15, 16. 7, 8. LM of Pyrgodiscus armatus: BM 46649, Sturt A1588, d= 85 µm; cdw = 43 µm; sp = 29µm. Scale bar = 10 µm (Figs 7, 8)." figureDoi="http://doi.org/10.5281/zenodo.7776944" httpUri="https://zenodo.org/record/7776944/files/figure.png" pageId="4" pageNumber="217">Figures 2, 5</figureCitation>
(‘Arkhan- gel’skoye-Kurojedovo, Ulyanovsk’, formerly Simbirsk, USSR, see 
<treatmentCitation author="Ross, R. &amp; Sims, P. A." page="280" pageId="4" pageNumber="217" year="1985">
<bibRefCitation author="Ross, R. &amp; Sims, P. A." pageId="4" pageNumber="217" pagination="277 - 381" refId="ref10709" refString="Ross, R. &amp; Sims, P. A. (1985) Some genera of the Biddulphiaceae (diatoms) with interlocking linking spines. Bulletin of the British Museum (Natural History) Botany Series 13: 277 - 381. [https: // www. biodiversitylibrary. org / page / 2348727]" type="book chapter" year="1985">Ross &amp; Sims 1985: 280</bibRefCitation>
</treatmentCitation>
) (
<figureCitation box="[202,343,2034,2060]" captionStart-0="FIGURES 1–8" captionStart-1="FIGURES 9–15" captionStart-2="FIGURES 16–23" captionStartId-0="2.[136,248,1660,1682]" captionStartId-1="6.[136,248,1757,1779]" captionStartId-2="7.[136,248,1473,1495]" captionTargetBox-0="[193,1396,386,1633]" captionTargetBox-1="[138,1447,190,1732]" captionTargetBox-2="[196,1391,190,1449]" captionTargetId-0="figure-133@2.[192,1396,386,1633]" captionTargetId-1="figure-30@6.[138,1448,190,1732]" captionTargetId-2="figure-17@7.[196,1391,190,1449]" captionTargetPageId-0="2" captionTargetPageId-1="6" captionTargetPageId-2="7" captionText-0="FIGURES 1–8. Pyrgodiscus armatus Kitton ex Cleve. 1, 4. Reproduction from Cleve 1885: pl. 13, fig.13a–b. 2, 5. Reproduced from Witt 1885: 30, pl. VI, figs 7, 8. 3, 6. Reproduction from Schmidt 1886: pl. 92, figs 15, 16. 7, 8. LM of Pyrgodiscus armatus: BM 46649, Sturt A1588, d= 85 µm; cdw = 43 µm; sp = 29µm. Scale bar = 10 µm (Figs 7, 8)." captionText-1="FIGURES 9–15. Pyrgodiscus armatus Kitton ex Cleve LM. 9, 10. BM 7333, d= 78 µm; cd = 26 µm; sp = 29 µm. 11, 12. BM 7334, d= 72 µm; sp = 30 µm. 13–15. BM 7334, d= 73 µm; cd = 28 µm; sp = 32 µm. Scale bars = 10 µm (Figs 9–12), 20 µm (Figs 13–15)." captionText-2="FIGURES 16–23. Pyrgodiscus armatus Kitton ex Cleve. 16–18. BM 57612, Wynne Baxter 2985, Kitton, d= 70 µm; cd = 33 µm. 19, 20. BM Adams J3765, Alfredo Truan, Sep [18]86), d= 78 µm; sp = 19 µm. 21–23. BM 46164, Sturt A1101, Kitton, d= 70 µm; cd = 28 µm; sp = 29 µm. Scale bars = 5 µm (Figs 16–18), 10 µm (Figs 19–23)." figureDoi-0="http://doi.org/10.5281/zenodo.7776944" figureDoi-1="http://doi.org/10.5281/zenodo.7776946" figureDoi-2="http://doi.org/10.5281/zenodo.7776948" httpUri-0="https://zenodo.org/record/7776944/files/figure.png" httpUri-1="https://zenodo.org/record/7776946/files/figure.png" httpUri-2="https://zenodo.org/record/7776948/files/figure.png" pageId="4" pageNumber="217">Figure 7–23</figureCitation>
, summarised in 
<tableCitation box="[524,609,2034,2060]" captionStart="TABLE 3" captionStartId="5.[137,229,159,183]" captionTargetPageId="5" captionText="TABLE 3. Data on BM material for Pyrgodiscus armatus specimens illustrated herein (abbreviations: d = diameter, cd = central dome height, cdw = central dome width, sp = average spine length)" pageId="4" pageNumber="217">Table 3</tableCitation>
).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<caption pageId="5" pageNumber="218" startId="5.[137,229,159,183]" targetBox="[144,1338,236,573]" targetIsTable="true" targetPageId="5">
<paragraph blockId="5.[136,1451,159,220]" pageId="5" pageNumber="218">
<emphasis bold="true" box="[137,257,159,183]" pageId="5" pageNumber="218">TABLE 3.</emphasis>
Data on BM material for 
<taxonomicName box="[542,768,159,183]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="5" pageNumber="218" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis box="[542,768,159,183]" italics="true" pageId="5" pageNumber="218">Pyrgodiscus armatus</emphasis>
</taxonomicName>
specimens illustrated herein (abbreviations: d = diameter, cd = central dome height, cdw = central dome width, sp = average spine length)
</paragraph>
</caption>
<paragraph pageId="5" pageNumber="218">
<table box="[144,1338,236,573]" gridcols="3" gridrows="8" pageId="5" pageNumber="218">
<tr box="[144,1338,236,258]" gridrow="0" pageId="5" pageNumber="218">
<th box="[144,204,236,258]" gridcol="0" gridrow="0" pageId="5" pageNumber="218">Figs</th>
<th box="[543,1002,236,258]" gridcol="1" gridrow="0" pageId="5" pageNumber="218">BM</th>
<th box="[1097,1338,236,258]" gridcol="2" gridrow="0" pageId="5" pageNumber="218">MeasUrements (μm)</th>
</tr>
<tr box="[144,1338,315,337]" gridrow="1" pageId="5" pageNumber="218">
<th box="[144,204,315,337]" gridcol="0" gridrow="1" pageId="5" pageNumber="218">7,8</th>
<td box="[543,1002,315,337]" gridcol="1" gridrow="1" pageId="5" pageNumber="218">BM 46649! (Sturt A1588)</td>
<td box="[1097,1338,315,337]" gridcol="2" gridrow="1" pageId="5" pageNumber="218">d= 85; cdw = 43; sp = 29</td>
</tr>
<tr box="[144,1338,354,376]" gridrow="2" pageId="5" pageNumber="218">
<th box="[144,204,354,376]" gridcol="0" gridrow="2" pageId="5" pageNumber="218">9, 10</th>
<td box="[543,1002,354,376]" gridcol="1" gridrow="2" pageId="5" pageNumber="218">BM 7333!</td>
<td box="[1097,1338,354,376]" gridcol="2" gridrow="2" pageId="5" pageNumber="218">d= 78; cd = 26; sp = 29</td>
</tr>
<tr box="[144,1338,393,415]" gridrow="3" pageId="5" pageNumber="218">
<th box="[144,204,393,415]" gridcol="0" gridrow="3" pageId="5" pageNumber="218">11, 12</th>
<td box="[543,1002,393,415]" gridcol="1" gridrow="3" pageId="5" pageNumber="218">BM 7334!</td>
<td box="[1097,1338,393,415]" gridcol="2" gridrow="3" pageId="5" pageNumber="218">d= 72; sp = 30</td>
</tr>
<tr box="[144,1338,433,455]" gridrow="4" pageId="5" pageNumber="218">
<th box="[144,204,433,455]" gridcol="0" gridrow="4" pageId="5" pageNumber="218">13–15</th>
<td box="[543,1002,433,455]" gridcol="1" gridrow="4" pageId="5" pageNumber="218">BM 7334!</td>
<td box="[1097,1338,433,455]" gridcol="2" gridrow="4" pageId="5" pageNumber="218">d= 73; cd = 28; sp = 32</td>
</tr>
<tr box="[144,1338,472,494]" gridrow="5" pageId="5" pageNumber="218">
<th box="[144,204,472,494]" gridcol="0" gridrow="5" pageId="5" pageNumber="218">16–18</th>
<td box="[543,1002,472,494]" gridcol="1" gridrow="5" pageId="5" pageNumber="218">
BM 57612! (Wynne Baxter 2985, 
<emphasis box="[873,933,473,494]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
)
</td>
<td box="[1097,1338,472,494]" gridcol="2" gridrow="5" pageId="5" pageNumber="218">d= 70; cd = 33</td>
</tr>
<tr box="[144,1338,511,533]" gridrow="6" pageId="5" pageNumber="218">
<th box="[144,204,511,533]" gridcol="0" gridrow="6" pageId="5" pageNumber="218">19, 20</th>
<td box="[543,1002,511,533]" gridcol="1" gridrow="6" pageId="5" pageNumber="218">BM Adams J3765! (Alfredo Truan, Sep [18]86)</td>
<td box="[1097,1338,511,533]" gridcol="2" gridrow="6" pageId="5" pageNumber="218">d= 78; sp = 19</td>
</tr>
<tr box="[144,1338,551,573]" gridrow="7" pageId="5" pageNumber="218">
<th box="[144,204,551,573]" gridcol="0" gridrow="7" pageId="5" pageNumber="218">21–23</th>
<td box="[543,1002,551,573]" gridcol="1" gridrow="7" pageId="5" pageNumber="218">
BM 46164! (Sturt A1101, 
<emphasis box="[796,856,551,572]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
)
</td>
<td box="[1097,1338,551,573]" gridcol="2" gridrow="7" pageId="5" pageNumber="218">d= 70; cd = 28; sp = 29</td>
</tr>
</table>
</paragraph>
<subSubSection pageId="5" pageNumber="218" type="materials_examined">
<paragraph blockId="5.[136,1452,624,1510]" pageId="5" pageNumber="218">
<collectionCode box="[136,290,624,646]" pageId="5" pageNumber="218">
<typeStatus box="[136,185,625,646]" pageId="5" pageNumber="218">TYPE</typeStatus>
LOCALITY
</collectionCode>
:— 
<collectingCountry box="[313,477,624,645]" name="Czech Republic" pageId="5" pageNumber="218">CZECH REPUBLIC</collectingCountry>
, 
<collectingRegion box="[488,572,624,646]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Moravia</collectingRegion>
, Augarten near Brno (= Bŗnn) (fossil, ‘Tegel’ [= marl, clay]), Miocene–Pliocene?, 
<emphasis box="[1370,1452,624,646]" italics="true" pageId="5" pageNumber="218">E. Thum</emphasis>
(see 
<bibRefCitation author="Thum, E." box="[234,383,660,682]" pageId="5" pageNumber="218" refId="ref11602" refString="Thum, E. (1885) [Thum's Catalogue and Slides]. Institut f ¸ r Mikroskopie. Leipzig, 87 pp." type="book" year="1885">Thum 1885: 11</bibRefCitation>
[Kl̂nne &amp; M̧ller 1885: 11], no. ‘6638, 
<taxonomicName authorityName="Kitton" authorityYear="1885" box="[782,1036,660,682]" genus="Purgodiscus" isUncertain="true" pageId="5" pageNumber="218" rank="species" species="armatus">
<emphasis box="[782,901,660,681]" italics="true" pageId="5" pageNumber="218">Purgodiscus</emphasis>
[sic] 
<emphasis box="[957,1036,661,682]" italics="true" pageId="5" pageNumber="218">armatus</emphasis>
</taxonomicName>
Kitton’; 
<bibRefCitation author="Thum, E." box="[1125,1276,660,682]" pageId="5" pageNumber="218" refId="ref11627" refString="Thum, E. (1889) [Thum's Catalogue and Slides]. Institut f ¸ r Mikroskopie. C. G. Naumann, Leipzig, 42 + 20 pp." type="book" year="1889">Thum 1889: 14</bibRefCitation>
, no. 1473: 25, no. 2991, “Tegel aus 
<collectingRegion box="[357,437,696,718]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Mähren</collectingRegion>
”; 
<bibRefCitation author="Thum, E." box="[455,566,696,718]" pageId="5" pageNumber="218" refId="ref11660" refString="Thum, E. (1895 [1891]) [Thum's Catalogue and Slides]. Institut f ¸ r Mikroskopie. Leipzig, 87 pp." type="book" year="1895">Thum 1895</bibRefCitation>
[1891]: 32, no. 2073: 59, no. 4226, “Tegel v. 
<collectingRegion box="[1005,1083,696,718]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Mähren</collectingRegion>
”)
</paragraph>
<paragraph blockId="5.[136,1452,624,1510]" box="[136,217,732,754]" pageId="5" pageNumber="218">Material</paragraph>
<paragraph blockId="5.[136,1452,624,1510]" pageId="5" pageNumber="218">
<collectingCountry box="[136,301,768,789]" name="Czech Republic" pageId="5" pageNumber="218">CZECH REPUBLIC</collectingCountry>
(
<collectingRegion box="[312,405,768,789]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">MORAVIA</collectingRegion>
), Augarten near Brno (= Bŗnn) (fossil, ‘Tegel’ [= marl, clay]), Miocene—Pliocene?: 
<collectionCode box="[1229,1266,769,790]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
7333! (
<figureCitation box="[1341,1439,768,790]" captionStart="FIGURES 9–15" captionStartId="6.[136,248,1757,1779]" captionTargetBox="[138,1447,190,1732]" captionTargetId="figure-30@6.[138,1448,190,1732]" captionTargetPageId="6" captionText="FIGURES 9–15. Pyrgodiscus armatus Kitton ex Cleve LM. 9, 10. BM 7333, d= 78 µm; cd = 26 µm; sp = 29 µm. 11, 12. BM 7334, d= 72 µm; sp = 30 µm. 13–15. BM 7334, d= 73 µm; cd = 28 µm; sp = 32 µm. Scale bars = 10 µm (Figs 9–12), 20 µm (Figs 13–15)." figureDoi="http://doi.org/10.5281/zenodo.7776946" httpUri="https://zenodo.org/record/7776946/files/figure.png" pageId="5" pageNumber="218">Figs 9, 10</figureCitation>
), ‘Thum, Abt. II, ---’; 
<collectionCode box="[386,423,805,826]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
7334! (
<figureCitation box="[498,608,804,826]" captionStart="FIGURES 9–15" captionStartId="6.[136,248,1757,1779]" captionTargetBox="[138,1447,190,1732]" captionTargetId="figure-30@6.[138,1448,190,1732]" captionTargetPageId="6" captionText="FIGURES 9–15. Pyrgodiscus armatus Kitton ex Cleve LM. 9, 10. BM 7333, d= 78 µm; cd = 26 µm; sp = 29 µm. 11, 12. BM 7334, d= 72 µm; sp = 30 µm. 13–15. BM 7334, d= 73 µm; cd = 28 µm; sp = 32 µm. Scale bars = 10 µm (Figs 9–12), 20 µm (Figs 13–15)." figureDoi="http://doi.org/10.5281/zenodo.7776946" httpUri="https://zenodo.org/record/7776946/files/figure.png" pageId="5" pageNumber="218">Figs 11–15</figureCitation>
, 
<specimenCount box="[618,762,804,826]" pageId="5" pageNumber="218" type="generic">two specimens</specimenCount>
, 
<figureCitation box="[772,878,804,826]" captionStart="FIGURES 16–23" captionStartId="7.[136,248,1473,1495]" captionTargetBox="[196,1391,190,1449]" captionTargetId="figure-17@7.[196,1391,190,1449]" captionTargetPageId="7" captionText="FIGURES 16–23. Pyrgodiscus armatus Kitton ex Cleve. 16–18. BM 57612, Wynne Baxter 2985, Kitton, d= 70 µm; cd = 33 µm. 19, 20. BM Adams J3765, Alfredo Truan, Sep [18]86), d= 78 µm; sp = 19 µm. 21–23. BM 46164, Sturt A1101, Kitton, d= 70 µm; cd = 28 µm; sp = 29 µm. Scale bars = 5 µm (Figs 16–18), 10 µm (Figs 19–23)." figureDoi="http://doi.org/10.5281/zenodo.7776948" httpUri="https://zenodo.org/record/7776948/files/figure.png" pageId="5" pageNumber="218">Figs 21-23</figureCitation>
), 
<collectionCode box="[895,927,805,826]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
III-2-B8, 
<collectionCode box="[1026,1058,805,826]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
III-2-B9, ‘Thum, Abt. 
<collectionCode box="[1279,1307,805,826]" country="Norway" name="Mykotektet, National Veterinary Institute" pageId="5" pageNumber="218">VI</collectionCode>
, no. 6638’, see 
<bibRefCitation author="Thum, E." box="[189,340,840,862]" pageId="5" pageNumber="218" refId="ref11602" refString="Thum, E. (1885) [Thum's Catalogue and Slides]. Institut f ¸ r Mikroskopie. Leipzig, 87 pp." type="book" year="1885">Thum 1885: 11</bibRefCitation>
and Kl̂nne &amp; M̧ller 1885: 11, ‘6638, 
<taxonomicName authorityName="Kitton" authorityYear="1885" box="[736,992,840,862]" genus="Purgodiscus" isUncertain="true" pageId="5" pageNumber="218" rank="species" species="armatus">
<emphasis box="[736,855,840,861]" italics="true" pageId="5" pageNumber="218">Purgodiscus</emphasis>
[sic] 
<emphasis box="[913,992,841,862]" italics="true" pageId="5" pageNumber="218">armatus</emphasis>
</taxonomicName>
Kitton’ slide label corrected from 
<emphasis box="[1332,1451,840,861]" italics="true" pageId="5" pageNumber="218">Purgodiscus</emphasis>
to 
<taxonomicName authorityName="F. Kitton ex P. T. Cleve" authorityYear="1885" box="[215,333,876,897]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="5" pageNumber="218" phylum="Ochrophyta" rank="genus">
<emphasis box="[215,333,876,897]" italics="true" pageId="5" pageNumber="218">Pyrgodiscus</emphasis>
</taxonomicName>
,; 
<collectionCode box="[351,388,877,898]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
14428! (Tempère &amp; Peragallo, 
<emphasis box="[696,880,876,898]" italics="true" pageId="5" pageNumber="218">Diat. Monde entier</emphasis>
, 1 
<superScript attach="left" box="[905,914,876,888]" fontSize="5" pageId="5" pageNumber="218">st</superScript>
edn, no. 174), 
<collectionCode box="[1060,1097,877,898]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
46164! (Sturt A1101, 
<emphasis box="[1316,1376,877,898]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
) = 
<figureCitation captionStart="FIGURES 16–23" captionStartId="7.[136,248,1473,1495]" captionTargetBox="[196,1391,190,1449]" captionTargetId="figure-17@7.[196,1391,190,1449]" captionTargetPageId="7" captionText="FIGURES 16–23. Pyrgodiscus armatus Kitton ex Cleve. 16–18. BM 57612, Wynne Baxter 2985, Kitton, d= 70 µm; cd = 33 µm. 19, 20. BM Adams J3765, Alfredo Truan, Sep [18]86), d= 78 µm; sp = 19 µm. 21–23. BM 46164, Sturt A1101, Kitton, d= 70 µm; cd = 28 µm; sp = 29 µm. Scale bars = 5 µm (Figs 16–18), 10 µm (Figs 19–23)." figureDoi="http://doi.org/10.5281/zenodo.7776948" httpUri="https://zenodo.org/record/7776948/files/figure.png" pageId="5" pageNumber="218">Figs 21–23</figureCitation>
, 
<collectionCode box="[262,299,913,934]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
46649! (Sturt A1588) = 
<figureCitation box="[539,623,912,934]" captionStart="FIGURES 1–8" captionStartId="2.[136,248,1660,1682]" captionTargetBox="[193,1396,386,1633]" captionTargetId="figure-133@2.[192,1396,386,1633]" captionTargetPageId="2" captionText="FIGURES 1–8. Pyrgodiscus armatus Kitton ex Cleve. 1, 4. Reproduction from Cleve 1885: pl. 13, fig.13a–b. 2, 5. Reproduced from Witt 1885: 30, pl. VI, figs 7, 8. 3, 6. Reproduction from Schmidt 1886: pl. 92, figs 15, 16. 7, 8. LM of Pyrgodiscus armatus: BM 46649, Sturt A1588, d= 85 µm; cdw = 43 µm; sp = 29µm. Scale bar = 10 µm (Figs 7, 8)." figureDoi="http://doi.org/10.5281/zenodo.7776944" httpUri="https://zenodo.org/record/7776944/files/figure.png" pageId="5" pageNumber="218">Figs 7, 8</figureCitation>
, 
<collectionCode box="[635,672,913,934]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
46653! (Sturt A1592), 
<collectionCode box="[898,935,913,934]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
52996!, Tegel Bŗnn 
<collectingRegion box="[1147,1224,912,934]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Mähren</collectingRegion>
, ‘Thum Abt. 
<collectionCode box="[1352,1380,913,934]" country="Norway" name="Mykotektet, National Veterinary Institute" pageId="5" pageNumber="218">VI</collectionCode>
, 7125’, see 
<bibRefCitation author="Thum, E." box="[228,381,948,970]" pageId="5" pageNumber="218" refId="ref11602" refString="Thum, E. (1885) [Thum's Catalogue and Slides]. Institut f ¸ r Mikroskopie. Leipzig, 87 pp." type="book" year="1885">Thum 1885: 18</bibRefCitation>
and Kl̂nne &amp; M̧ller 1885: 18, 
<collectionCode box="[716,753,949,970]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
52997! (Thum, no details on label), 
<collectionCode box="[1124,1161,949,970]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
52998!, 
<collectionCode box="[1253,1290,949,970]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
56043! (Wynne Baxter 1415, 
<emphasis box="[324,415,984,1005]" italics="true" pageId="5" pageNumber="218">Weissflog</emphasis>
), 
<collectionCode box="[437,474,985,1006]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
56854! (Wynne Baxter 2225), 
<collectionCode box="[785,822,985,1006]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
57612! (Wynne Baxter 2985, 
<emphasis box="[1124,1184,985,1006]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
) = 
<figureCitation box="[1222,1334,984,1006]" captionStart="FIGURES 16–23" captionStartId="7.[136,248,1473,1495]" captionTargetBox="[196,1391,190,1449]" captionTargetId="figure-17@7.[196,1391,190,1449]" captionTargetPageId="7" captionText="FIGURES 16–23. Pyrgodiscus armatus Kitton ex Cleve. 16–18. BM 57612, Wynne Baxter 2985, Kitton, d= 70 µm; cd = 33 µm. 19, 20. BM Adams J3765, Alfredo Truan, Sep [18]86), d= 78 µm; sp = 19 µm. 21–23. BM 46164, Sturt A1101, Kitton, d= 70 µm; cd = 28 µm; sp = 29 µm. Scale bars = 5 µm (Figs 16–18), 10 µm (Figs 19–23)." figureDoi="http://doi.org/10.5281/zenodo.7776948" httpUri="https://zenodo.org/record/7776948/files/figure.png" pageId="5" pageNumber="218">Figs 16–18</figureCitation>
, 
<collectionCode box="[1346,1383,985,1006]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
57613 (Wynne Baxter 2986, 
<emphasis box="[406,466,1021,1042]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
), 
<collectionCode box="[488,525,1021,1042]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
57620 (Wynne Baxter 2993, 
<emphasis box="[818,878,1021,1042]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
), 
<collectionCode box="[900,937,1021,1042]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
63386! (Barker [
<date box="[1107,1210,1020,1042]" pageId="5" pageNumber="218" value="1932-07">July 1932</date>
]), 
<collectionCode box="[1235,1272,1021,1042]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
73527! (“Brunn”, Wise 1355), 
<collectionCode box="[311,348,1057,1078]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
73528! (“ 
<collectingRegion box="[443,521,1056,1078]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Mähren</collectingRegion>
2088 | Thum | Abth. I 
<date box="[737,819,1056,1078]" pageId="5" pageNumber="218" value="1423-04">IV 1423</date>
”, Wise 1356), 
<collectionCode box="[959,996,1057,1078]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams C 422! (Thum, Abt. 
<collectionCode box="[1270,1288,1057,1078]" pageId="5" pageNumber="218">II</collectionCode>
, ---), 
<collectionCode box="[1341,1378,1057,1078]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams 
<collectionCode box="[189,224,1092,1114]" country="0" name="Goucher College" pageId="5" pageNumber="218">GC</collectionCode>
2630! (
<emphasis box="[295,355,1093,1114]" italics="true" pageId="5" pageNumber="218">Kitton</emphasis>
), 
<collectionCode box="[377,414,1093,1114]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams 
<collectionCode box="[498,534,1092,1114]" country="0" name="Goucher College" pageId="5" pageNumber="218">GC</collectionCode>
2631! (Thum, Abt. 
<collectionCode box="[724,760,1093,1114]" pageId="5" pageNumber="218">VII</collectionCode>
, no. 2073), 
<collectionCode box="[880,917,1093,1114]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams J552! (Thum, Abt. 
<collectionCode box="[1191,1219,1093,1114]" country="Norway" name="Mykotektet, National Veterinary Institute" pageId="5" pageNumber="218">VI</collectionCode>
, no. 6638), 
<collectionCode box="[1339,1376,1093,1114]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams J3765! (Alfredo Truan, Sep [18]86) = 
<figureCitation box="[572,686,1128,1150]" captionStart="FIGURES 16–23" captionStartId="7.[136,248,1473,1495]" captionTargetBox="[196,1391,190,1449]" captionTargetId="figure-17@7.[196,1391,190,1449]" captionTargetPageId="7" captionText="FIGURES 16–23. Pyrgodiscus armatus Kitton ex Cleve. 16–18. BM 57612, Wynne Baxter 2985, Kitton, d= 70 µm; cd = 33 µm. 19, 20. BM Adams J3765, Alfredo Truan, Sep [18]86), d= 78 µm; sp = 19 µm. 21–23. BM 46164, Sturt A1101, Kitton, d= 70 µm; cd = 28 µm; sp = 29 µm. Scale bars = 5 µm (Figs 16–18), 10 µm (Figs 19–23)." figureDoi="http://doi.org/10.5281/zenodo.7776948" httpUri="https://zenodo.org/record/7776948/files/figure.png" pageId="5" pageNumber="218">Figs 19, 20</figureCitation>
, 
<collectionCode box="[699,736,1129,1150]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams Bess 867!, 
<collectionCode box="[932,969,1129,1150]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams TS320! (Thum, Abt. 
<collectionCode box="[1262,1280,1129,1150]" pageId="5" pageNumber="218">II</collectionCode>
, ---), 
<collectionCode box="[1339,1376,1129,1150]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams TS263! (Alfredo Truan, Julio [18]88), 
<collectionCode box="[575,612,1165,1186]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
Adams F1061 (
<emphasis box="[775,878,1164,1185]" italics="true" pageId="5" pageNumber="218">Weissflog?</emphasis>
), 
<collectionCode box="[899,959,1164,1185]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
Febiger 693 (
<emphasis box="[1104,1195,1164,1185]" italics="true" pageId="5" pageNumber="218">Weissflog</emphasis>
, isotype, see Mahoney &amp; Reimer, 1997: 173), 
<collectionCode box="[389,421,1201,1222]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
VIII-66-B2 (
<emphasis box="[551,642,1200,1221]" italics="true" pageId="5" pageNumber="218">Weissflog</emphasis>
), 
<collectionCode box="[663,695,1201,1222]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
VIII-66-B3 (
<emphasis box="[825,916,1200,1221]" italics="true" pageId="5" pageNumber="218">Weissflog</emphasis>
1583), 
<collectionCode box="[991,1023,1201,1222]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
VIII-66-B4 (
<emphasis box="[1153,1244,1200,1221]" italics="true" pageId="5" pageNumber="218">Weissflog</emphasis>
1314); 
<collectionCode box="[1319,1379,1200,1221]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
Shulze 1028, 
<collectionCode box="[248,308,1236,1257]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
Shulze 1136, 
<collectionCode box="[447,507,1236,1257]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
Shulze 1537, 
<collectionCode box="[651,711,1236,1257]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
Boyer 0-5-11, 
<collectionCode box="[866,926,1236,1257]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
Boyer E-5-5; 
<collectionCode box="[1075,1128,1237,1258]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="5" pageNumber="218" type="Herbarium">BRM</collectionCode>
<collectionCode box="[1138,1184,1236,1257]" pageId="5" pageNumber="218">DA-</collectionCode>
71, 
<collectionCode box="[1220,1263,1236,1257]" pageId="5" pageNumber="218">DA-</collectionCode>
72 “Bŗnn 
<collectingRegion box="[1377,1452,1236,1258]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Mähren</collectingRegion>
Tegel”; W3075a–c?, W 3086a–f, “Bŗnn”.
</paragraph>
<paragraph blockId="5.[136,1452,624,1510]" box="[136,993,1308,1330]" pageId="5" pageNumber="218">
<materialsCitation box="[136,993,1308,1330]" collectingDate="1952-07" collectionCode="BM" country="Russia" location="RUSSIA" pageId="5" pageNumber="218" specimenCode="BM 103893" specimenCount="1">
<collectingCountry box="[136,205,1308,1329]" name="Russia" pageId="5" pageNumber="218">RUSSIA</collectingCountry>
, SINGILIEWSKY (
<specimenCode box="[362,486,1308,1329]" collectionCode="BM" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM 103893</specimenCode>
!, Hendey 5075 ex Meakin, 
<date box="[748,844,1308,1330]" pageId="5" pageNumber="218" value="1952-07">
<collectingDate box="[748,844,1308,1330]" pageId="5" pageNumber="218" value="1952-07">July 1952</collectingDate>
</date>
, 
<specimenCount box="[854,986,1308,1330]" pageId="5" pageNumber="218" type="generic">one specimen</specimenCount>
)
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection lastPageId="6" lastPageNumber="219" pageId="5" pageNumber="218" type="description">
<paragraph blockId="5.[136,1452,624,1510]" pageId="5" pageNumber="218">
ILLUSTRATIONS:— 
<bibRefCitation author="Schmidt, A." box="[308,441,1344,1366]" pageId="5" pageNumber="218" pagination="23 - 24" refId="ref10877" refString="Schmidt, A. (1886) Atlas der Diatomaceen-kunde. Aschersleben, Commissions-Verlag Von Ludwig Siever's Buchandlung, ser. III, heft 23 - 24, pls 89 - 96; heft 25 - 26, pls 97 - 104. [https: // www. biodiversitylibrary. org / page / 41978021]" type="book chapter" year="1886">Schmidt 1886</bibRefCitation>
[Jan. 1 
<superScript attach="none" box="[509,529,1344,1356]" fontSize="5" pageId="5" pageNumber="218">st 4</superScript>
]: pl. 92, figs 15, 16, reproduced as 
<figureCitation box="[863,975,1344,1366]" captionStart="FIGURES 1–8" captionStartId="2.[136,248,1660,1682]" captionTargetBox="[193,1396,386,1633]" captionTargetId="figure-133@2.[192,1396,386,1633]" captionTargetPageId="2" captionText="FIGURES 1–8. Pyrgodiscus armatus Kitton ex Cleve. 1, 4. Reproduction from Cleve 1885: pl. 13, fig.13a–b. 2, 5. Reproduced from Witt 1885: 30, pl. VI, figs 7, 8. 3, 6. Reproduction from Schmidt 1886: pl. 92, figs 15, 16. 7, 8. LM of Pyrgodiscus armatus: BM 46649, Sturt A1588, d= 85 µm; cdw = 43 µm; sp = 29µm. Scale bar = 10 µm (Figs 7, 8)." figureDoi="http://doi.org/10.5281/zenodo.7776944" httpUri="https://zenodo.org/record/7776944/files/figure.png" pageId="5" pageNumber="218">Figures 3, 6</figureCitation>
[= Scḩtt 1896: 76, fig. 115A, B; = 
<bibRefCitation author="Karsten, G." pageId="5" pageNumber="218" pagination="105 - 303" refId="ref9639" refString="Karsten, G. (1928) Abteilung Bacillariophyta (Diatomeae). In: Engler, A. &amp; Prantl, K. (eds.) Die Naturlichen Pflanzenfamilien, Peridineae (Dinoflagellatae), Diatomeae (Bacillariophyta), Myxomycetes. Zweite Auflage 2. Wilhelm Engelmann, Leipzig. pp. 105 - 303." type="book chapter" year="1928">Karsten 1928: 224</bibRefCitation>
, fig. 247A, B; = 
<bibRefCitation author="Proschkina-Lavrenko, A. I. &amp; Komarova Akademii Nauk S. S. S." box="[397,669,1380,1402]" pageId="5" pageNumber="218" refId="ref10624" refString="Proschkina-Lavrenko, A. I. (ed.) (1949) Diatomovyi Analis. Kniga 2. Opredelitel'Iskopaemykh i Sovremennykh Diatomovykh Vodorosle, Poryadok Centrales i Mediales. Vol. 2. Botanicheskii Institut im V. L. Komarova Akademii Nauk S. S. S. R .. Gosudarstvennoe Izdatelystvo Geologicheskoi Literatury, Moskva-Leningrad, 238 pp." type="book" year="1949">Proschkina-Lavrenko, 1949</bibRefCitation>
: pl. 91, figs 4a, b], “Bŗnn (Präp. v. Thum in Janisch’s S) 660 […] 
<taxonomicName authority="F. Kitton" authorityName="F. Kitton" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="5" pageNumber="218" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis italics="true" pageId="5" pageNumber="218">Pyrgodiscus armatus</emphasis>
F. Kitton
</taxonomicName>
[…]”); 
<bibRefCitation author="Schmidt, A." box="[434,567,1416,1438]" pageId="5" pageNumber="218" pagination="23 - 24" refId="ref10877" refString="Schmidt, A. (1886) Atlas der Diatomaceen-kunde. Aschersleben, Commissions-Verlag Von Ludwig Siever's Buchandlung, ser. III, heft 23 - 24, pls 89 - 96; heft 25 - 26, pls 97 - 104. [https: // www. biodiversitylibrary. org / page / 41978021]" type="book chapter" year="1886">Schmidt 1886</bibRefCitation>
[Jan. 1 
<superScript attach="none" box="[636,645,1416,1428]" fontSize="5" pageId="5" pageNumber="218">st</superScript>
]: pl. 91, fig. 8, “Szent Peter (Thum)”; 
<bibRefCitation author="Haeckel, E. H. P. A." box="[1012,1146,1416,1438]" pageId="5" pageNumber="218" refId="ref9255" refString="Haeckel, E. H. P. A. (1904) Kunstformen der Natur. Verlag des Bibliographischen Instituts. Leipzig und Wien. https: // doi. org / 10.5962 / bhl. title. 87040" type="book" year="1904">Haeckel 1904</bibRefCitation>
, 
<emphasis box="[1156,1379,1416,1438]" italics="true" pageId="5" pageNumber="218">Kunstformen der Natur</emphasis>
: pl. 84; 
<bibRefCitation author="Taylor, F. B." box="[189,310,1452,1474]" pageId="5" pageNumber="218" refId="ref11530" refString="Taylor, F. B. (1929) Notes on Diatoms. Guardian Press, Bournemouth, England, 269 pp." type="book" year="1929">Taylor 1929</bibRefCitation>
: pl. II, fig 14 (“ 
<emphasis box="[461,755,1452,1474]" italics="true" pageId="5" pageNumber="218">
<taxonomicName box="[461,666,1452,1474]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="5" pageNumber="218" phylum="Ochrophyta" rank="species" species="armatus">Pyrgodiscus armatus</taxonomicName>
, ad. Nat.
</emphasis>
Bŗnn, 
<collectingRegion box="[832,919,1452,1474]" country="Czech Republic" name="Jihomoravsky" pageId="5" pageNumber="218">Moravia</collectingRegion>
”); 
<bibRefCitation author="Lefebure, P." box="[945,1090,1452,1474]" pageId="5" pageNumber="218" refId="ref10006" refString="Lefebure, P. (1947) Atlas pour la determination des Diatomees. Laboratoire de Micrographie. L. le Charles, Imprimeur, Paris, 31 pls." type="book" year="1947">Lefébure 1947</bibRefCitation>
: pl. X, fig. 7 (= 
<bibRefCitation author="Jouse, A. P." box="[1246,1405,1452,1474]" pageId="5" pageNumber="218" pagination="7 - 11" refId="ref9515" refString="Jouse, A. P. (1963) The Bacillariophyta, Class Centricae. In: Orlov, U. A. (ed.) Fundamentals of Palaeontology. Academy of Sciences of the USSR, Moscow, pp. 55 - 121, pls 7 - 11." type="book chapter" year="1963">Jousé 1963: 121</bibRefCitation>
, figs 122a, b); 
<bibRefCitation author="Baranov, V. I." box="[281,420,1488,1510]" pageId="5" pageNumber="218" pagination="28 - 38" refId="ref8345" refString="Baranov, V. I. (1942) Iskolaemye diatomei iz tretichnykh otlozhenii S. S. S. R. Sovetskaya Botanika 1 - 3: 28 - 38." type="journal article" year="1942">Baranov 1942</bibRefCitation>
: pl.1, figs 6, 7.
</paragraph>
<paragraph blockId="5.[136,1452,1556,1978]" pageId="5" pageNumber="218">
Valves circUlar, diameter 70–90μm, with central dOme Or pillar, ca. 18–28μm in height, ca. 35–40μm. SUrface surrounding pillar areolate with evenly spaced stout spines, ca. 
<quantity box="[855,899,1592,1619]" metricMagnitude="-1" metricUnit="m" metricValue="2.032" pageId="5" pageNumber="218" unit="in" value="8.0">8 in</quantity>
all, broad at base, tapering towards tips. Surface undulates with spine at each undulation. Similar series of spines surrounding surface of pillar, stouter than those on lower part of valve, but not equal in length. Appearance when viewed from top down suggests lower series of spines alternates with those on pillar.
</paragraph>
<paragraph blockId="5.[136,1452,1556,1978]" pageId="5" pageNumber="218">
<materialsCitation collectionCode="BM, ANSP, BR" pageId="5" pageNumber="218" specimenCount="29">
Thum’s various issues of the ‘ 
<typeStatus box="[538,613,1737,1763]" pageId="5" pageNumber="218">Typen</typeStatus>
Platten’ series have been briefly discussed above. All material found in 
<collectionCode box="[136,180,1773,1799]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
is listed in the ‘Material’ section above, along with a note on specimens from the 
<collectionCode box="[1118,1190,1773,1799]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
, 
<collectionCode box="[1202,1239,1773,1799]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
and W collections (specimens other than 
<collectionCode box="[390,434,1809,1835]" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="218">BM</collectionCode>
have not been examined). There are 25 slides in all; excepting the strewn slides and those from 
<collectionCode box="[197,234,1845,1871]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="218">BR</collectionCode>
and 
<collectionCode box="[285,357,1845,1871]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="5" pageNumber="218">ANSP</collectionCode>
, there are 
<specimenCount box="[469,623,1844,1871]" pageId="5" pageNumber="218" type="generic">29 specimens</specimenCount>
, all structurally more or less the same as can be determined from LM (
<figureCitation captionStart="FIGURES 16–23" captionStartId="7.[136,248,1473,1495]" captionTargetBox="[196,1391,190,1449]" captionTargetId="figure-17@7.[196,1391,190,1449]" captionTargetPageId="7" captionText="FIGURES 16–23. Pyrgodiscus armatus Kitton ex Cleve. 16–18. BM 57612, Wynne Baxter 2985, Kitton, d= 70 µm; cd = 33 µm. 19, 20. BM Adams J3765, Alfredo Truan, Sep [18]86), d= 78 µm; sp = 19 µm. 21–23. BM 46164, Sturt A1101, Kitton, d= 70 µm; cd = 28 µm; sp = 29 µm. Scale bars = 5 µm (Figs 16–18), 10 µm (Figs 19–23)." figureDoi="http://doi.org/10.5281/zenodo.7776948" httpUri="https://zenodo.org/record/7776948/files/figure.png" pageId="5" pageNumber="218">Figs 16–23</figureCitation>
). All the specimens (bar two) come from the ‘Augarten near Brno (= Bŗnn)’ material. Some raw material from ‘Augarten near Brno (= Bŗnn)’ was examined but no specimens were found so electron microscopy could not be used
</materialsCitation>
.
</paragraph>
<paragraph blockId="5.[136,512,2068,2092]" box="[136,512,2068,2092]" pageId="5" pageNumber="218">
4 Dates from 
<bibRefCitation author="Hanna, G. D." box="[365,512,2068,2092]" pageId="5" pageNumber="218" refId="ref9360" refString="Hanna, G. D. (1969) Index to Atlas der Diatomaceen-Kunde. Bibliotheca Phycologica 10. 208 pp." type="book" year="1969">Hanna (1969)</bibRefCitation>
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7776946" ID-Zenodo-Dep="7776946" httpUri="https://zenodo.org/record/7776946/files/figure.png" pageId="6" pageNumber="219" startId="6.[136,248,1757,1779]" targetBox="[138,1447,190,1732]" targetPageId="6">
<paragraph blockId="6.[136,1451,1757,1815]" pageId="6" pageNumber="219">
<emphasis bold="true" box="[136,308,1757,1779]" pageId="6" pageNumber="219">FIGURES 9–15.</emphasis>
<taxonomicName authority="Kitton ex Cleve LM." authorityName="Cleve LM." box="[313,718,1757,1779]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="6" pageNumber="219" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis box="[313,515,1757,1779]" italics="true" pageId="6" pageNumber="219">Pyrgodiscus armatus</emphasis>
Kitton ex Cleve LM.
</taxonomicName>
9, 10. BM 7333, d= 78 µm; cd = 26 µm; sp = 29 µm. 11, 12. BM 7334, d= 72 µm; sp = 30 µm. 13–15. BM 7334, d= 73 µm; cd = 28 µm; sp = 32 µm. Scale bars = 10 µm (Figs 9–12), 20 µm (Figs 13–15).
</paragraph>
</caption>
<paragraph blockId="6.[136,1452,1861,2032]" pageId="6" pageNumber="219">
Several slides in 
<collectionCode box="[383,427,1862,1888]" country="United Kingdom" name="Bristol Museum" pageId="6" pageNumber="219">BM</collectionCode>
from various Russian deposits were said to have specimens of 
<taxonomicName box="[1146,1383,1861,1887]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="6" pageNumber="219" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis box="[1146,1383,1861,1887]" italics="true" pageId="6" pageNumber="219">Pyrgodiscus armatus</emphasis>
</taxonomicName>
. One, from ‘Singiliewsky’ (
<collectionCode box="[380,425,1898,1924]" country="United Kingdom" name="Bristol Museum" pageId="6" pageNumber="219">BM</collectionCode>
103893!, Hendey 5075 ex Meakin, 
<date box="[845,961,1897,1924]" pageId="6" pageNumber="219" value="1952-07">July 1952</date>
), had a single specimen mounted in girdle view. Another, from Kamishev, 
<collectingCountry box="[488,563,1933,1959]" name="Russia" pageId="6" pageNumber="219">Russia</collectingCountry>
(
<collectionCode box="[576,621,1934,1960]" country="United Kingdom" name="Bristol Museum" pageId="6" pageNumber="219">BM</collectionCode>
65720! ex Swatman), was said to have a specimen of 
<taxonomicName box="[1216,1452,1933,1959]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="6" pageNumber="219" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis box="[1216,1452,1933,1959]" italics="true" pageId="6" pageNumber="219">Pyrgodiscus armatus</emphasis>
</taxonomicName>
but did not, and three further slides from Russian deposits (
<collectionCode box="[790,835,1970,1996]" country="United Kingdom" name="Bristol Museum" pageId="6" pageNumber="219">BM</collectionCode>
32625!, 
<collectionCode box="[933,977,1970,1996]" country="United Kingdom" name="Bristol Museum" pageId="6" pageNumber="219">BM</collectionCode>
32627! and 
<collectionCode box="[1115,1159,1970,1996]" country="United Kingdom" name="Bristol Museum" pageId="6" pageNumber="219">BM</collectionCode>
33210!), all strewn slides, were also said to have specimens of 
<taxonomicName box="[544,781,2005,2031]" class="Bacillariophyceae" genus="Pyrgodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Centrales" pageId="6" pageNumber="219" phylum="Ochrophyta" rank="species" species="armatus">
<emphasis box="[544,781,2005,2031]" italics="true" pageId="6" pageNumber="219">Pyrgodiscus armatus</emphasis>
</taxonomicName>
but no specimens could be found in any of these either.
</paragraph>
</subSubSection>
</treatment>
</document>