treatments-xml/data/03/C2/87/03C287AAFFF00B0BFF357F16FA83FC1F.xml

<document id="2E0B19F519091A9DFDDC363B9E4A9940" ID-CLB-Dataset="299061" ID-DOI="10.5281/zenodo.12118784" ID-GBIF-Dataset="2b921c3c-8618-439e-96da-1de9c66a90f9" ID-ISSN="0026-279X" ID-Zenodo-Dep="12118784" IM.bibliography_approvedBy="julia" IM.illustrations_approvedBy="julia" IM.materialsCitations_approvedBy="julia" IM.metadata_approvedBy="julia" IM.tables_approvedBy="julia" IM.taxonomicNames_approvedBy="julia" IM.treatments_approvedBy="julia" checkinTime="1718742264011" checkinUser="felipe" docAuthor="Lobban, Christopher S. &amp; Witkowski, Andrzej" docDate="2023" docId="03C287AAFFF00B0BFF357F16FA83FC1F" docLanguage="en" docName="Micronesica.2023.02.1-75.pdf" docOrigin="Micronesica 2023 (2)" docStyle="DocumentStyle:73477DD41873F4E732E2765E250AF97D.1:Micronesica.2013-.journal_article.type1" docStyleId="73477DD41873F4E732E2765E250AF97D" docStyleName="Micronesica.2013-.journal_article.type1" docStyleVersion="1" docTitle="Pleurosigma simulacrum Lobban &amp; Sterrenburg" docType="treatment" docVersion="5" lastPageNumber="13" masterDocId="FFFBFFD2FFFC0B07FFD37D20FF9BFFCC" masterDocTitle="Marine benthic diatoms of Guam: new records, Dictyoneis apapae sp. nov., and updates to the checklist" masterLastPageNumber="75" masterPageNumber="1" pageNumber="13" updateTime="1719584991735" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-ND-4.0">
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<mods:title id="07770AD70C6301EEAA2031A8B3493DF9">Marine benthic diatoms of Guam: new records, Dictyoneis apapae sp. nov., and updates to the checklist</mods:title>
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<mods:name id="D7E16E947D9C274D68138038EB378417" type="personal">
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<mods:namePart id="B21C6AFAEAB030537BA6FDE6B49E8CEB">Lobban, Christopher S.</mods:namePart>
<mods:affiliation id="6CD7CA687B8FC4907AC70B731E95C9AD">Division of Natural Sciences, University of Guam, Mangilao, GU 96923, USA clobban @ triton. uog. edu</mods:affiliation>
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<mods:namePart id="94AA9639BE121D08B59F6F8AC2D49410">Witkowski, Andrzej</mods:namePart>
<mods:affiliation id="1CC5A750D8616B3C737F764FE78F3F83">University of Szczecin, Institute of Marine and Environmental Sciences Mickiewicza 16 a, PL 70 - 383 Szczecin, Poland</mods:affiliation>
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<treatment id="03C287AAFFF00B0BFF357F16FA83FC1F" ID-DOI="http://doi.org/10.5281/zenodo.12118922" ID-GBIF-Taxon="233850947" ID-Zenodo-Dep="12118922" LSID="urn:lsid:plazi:treatment:03C287AAFFF00B0BFF357F16FA83FC1F" httpUri="http://treatment.plazi.org/id/03C287AAFFF00B0BFF357F16FA83FC1F" lastPageNumber="13" pageId="12" pageNumber="13">
<subSubSection id="C3716537FFF00B0BFF357F16FCBBFD9C" box="[230,800,566,592]" pageId="12" pageNumber="13" type="nomenclature">
<paragraph id="8BD436BCFFF00B0BFF357F16FCBBFD9C" blockId="12.[230,800,566,592]" box="[230,800,566,592]" pageId="12" pageNumber="13">
<heading id="D09C81D0FFF00B0BFF357F16FCBBFD9C" box="[230,800,566,592]" fontSize="11" level="2" pageId="12" pageNumber="13" reason="5">
<taxonomicName id="4C6B4D3FFFF00B0BFF357F16FCBBFD9C" authority="Lobban &amp; Sterrenburg" authorityName="Lobban &amp; Sterrenburg" box="[230,800,566,592]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="simulacrum">
<emphasis id="B91FEAAEFFF00B0BFF357F16FD94FD9C" box="[230,527,566,592]" italics="true" pageId="12" pageNumber="13">Pleurosigma simulacrum</emphasis>
Lobban &amp; Sterrenburg
</taxonomicName>
</heading>
</paragraph>
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<paragraph id="8BD436BCFFF00B0BFF357F40FD51FDB6" blockId="12.[230,1402,608,979]" box="[230,714,608,634]" pageId="12" pageNumber="13">Ref.: Lobban 2021a, p. 253, figs 91–102.</paragraph>
</subSubSection>
<subSubSection id="C3716537FFF00B0BFF357FA9FA83FC1F" pageId="12" pageNumber="13" type="description">
<paragraph id="8BD436BCFFF00B0BFF357FA9FA83FC1F" blockId="12.[230,1402,608,979]" pageId="12" pageNumber="13">
Here we just want to note that this species, described from 
<collectingCountry id="F37C762CFFF00B0BFC477FA9FC47FD6F" box="[916,988,649,675]" name="Guam" pageId="12" pageNumber="13">Guam</collectingCountry>
and Yap and differentiated from 
<taxonomicName id="4C6B4D3FFFF00B0BFAB37FA9FE74FD09" authority="W. Smith" authorityName="W. Smith" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="intermedium">
<emphasis id="B91FEAAEFFF00B0BFAB37FA9FEE1FD09" italics="true" pageId="12" pageNumber="13">P. intermedium</emphasis>
W.Smith
</taxonomicName>
, is also similar in shape to 
<taxonomicName id="4C6B4D3FFFF00B0BFCE07F8BFB3CFD09" authority="A. Mann (1925" authorityName="A. Mann" authorityYear="1925" box="[819,1191,683,709]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="acus">
<emphasis id="B91FEAAEFFF00B0BFCE07F8BFC10FD09" box="[819,907,683,709]" italics="true" pageId="12" pageNumber="13">P. acus</emphasis>
A. 
<bibRefCitation id="EFFA4B4DFFF00B0BFC7F7F8BFBD8FD09" author="Mann, A." box="[940,1091,683,709]" pageId="12" pageNumber="13" pagination="1 - 182" refId="ref17579" refString="Mann, A. 1925. Marine diatoms of the Philippine Islands. Smithsonian Institution Bulletin 100 (6): 1 - 182 + 39 pl." type="journal article" year="1925">Mann (1925</bibRefCitation>
, p. 133
</taxonomicName>
, pl. 29, figs 4, 5), described from the 
<collectingCountry id="F37C762CFFF00B0BFE197FECFDD5FD2A" box="[458,590,716,742]" name="Philippines" pageId="12" pageNumber="13">Philippines</collectingCountry>
as being very similar to 
<taxonomicName id="4C6B4D3FFFF00B0BFCA27FECFBBEFD2A" box="[881,1061,716,742]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="intermedium">
<emphasis id="B91FEAAEFFF00B0BFCA27FECFBBEFD2A" box="[881,1061,716,742]" italics="true" pageId="12" pageNumber="13">P. intermedium</emphasis>
</taxonomicName>
. 
<bibRefCitation id="EFFA4B4DFFF00B0BFBE77FECFB76FD2A" author="Stidolph, S. R." box="[1076,1261,716,742]" pageId="12" pageNumber="13" refId="ref20018" refString="Stidolph, S. R. 2002. Observations and remarks on the morphology and taxonomy of the diatom genera Gyrosigma Hassal and Pleurosigma W. Smith. V. Pleurosigma types of A. Mann (1925): a critical re-investigation. Micropaleontology 48: 373 - 284." type="journal volume" year="2002">Stidolph (2002)</bibRefCitation>
pointed out that 
<taxonomicName id="4C6B4D3FFFF00B0BFEC97FCEFEEAFCC4" authorityName="A. Mann" authorityYear="1925" box="[282,369,750,776]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="acus">
<emphasis id="B91FEAAEFFF00B0BFEC97FCEFEEAFCC4" box="[282,369,750,776]" italics="true" pageId="12" pageNumber="13">P. acus</emphasis>
</taxonomicName>
has the diagonal striae at ca 80º to one another, contrasting with 
<taxonomicName id="4C6B4D3FFFF00B0BFBA27FCEFABDFCC4" box="[1137,1318,750,776]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="intermedium">
<emphasis id="B91FEAAEFFF00B0BFBA27FCEFABDFCC4" box="[1137,1318,750,776]" italics="true" pageId="12" pageNumber="13">P. intermedium</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C6B4D3FFFF00B0BFAB37FCEFEEAFCE6" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="simulacrum">
<emphasis id="B91FEAAEFFF00B0BFAB37FCEFEEAFCE6" italics="true" pageId="12" pageNumber="13">P. simulacrum</emphasis>
</taxonomicName>
. 
<taxonomicName id="4C6B4D3FFFF00B0BFE507E30FD34FCE6" box="[387,687,784,810]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="simulacrum">
<emphasis id="B91FEAAEFFF00B0BFE507E30FD34FCE6" box="[387,687,784,810]" italics="true" pageId="12" pageNumber="13">Pleurosigma simulacrum</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C6B4D3FFFF00B0BFD3D7E30FCD3FCE6" authorityName="A. Mann" authorityYear="1925" box="[750,840,784,810]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="acus">
<emphasis id="B91FEAAEFFF00B0BFD3D7E30FCD3FCE6" box="[750,840,784,810]" italics="true" pageId="12" pageNumber="13">P. acus</emphasis>
</taxonomicName>
both lack the calcar slit at the apex, which is present in 
<taxonomicName id="4C6B4D3FFFF00B0BFEB67E12FD80FC80" box="[357,539,818,844]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="intermedium">
<emphasis id="B91FEAAEFFF00B0BFEB67E12FD80FC80" box="[357,539,818,844]" italics="true" pageId="12" pageNumber="13">P. intermedium</emphasis>
</taxonomicName>
. Mann also noted that the striae of 
<taxonomicName id="4C6B4D3FFFF00B0BFC197E12FBB8FC80" authorityName="A. Mann" authorityYear="1925" box="[970,1059,818,844]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="acus">
<emphasis id="B91FEAAEFFF00B0BFC197E12FBB8FC80" box="[970,1059,818,844]" italics="true" pageId="12" pageNumber="13">P. acus</emphasis>
</taxonomicName>
are much coarser than other straight species (14, vs 
<quantity id="4C939B59FFF00B0BFE2B7E73FDA8FCA1" box="[504,563,851,877]" metricMagnitude="-1" metricUnit="m" metricValue="6.604" pageId="12" pageNumber="13" unit="in" value="26.0">26 in</quantity>
10 µm for 
<taxonomicName id="4C6B4D3FFFF00B0BFD647E73FCF9FCA1" box="[695,866,851,877]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="simulacrum">
<emphasis id="B91FEAAEFFF00B0BFD647E73FCF9FCA1" box="[695,866,851,877]" italics="true" pageId="12" pageNumber="13">P. simulacrum</emphasis>
</taxonomicName>
). Thus, there are at least four straight, narrow species of 
<taxonomicName id="4C6B4D3FFFF00B0BFEB07E55FE62FC43" authorityName="W.Smith" authorityYear="1852" box="[355,505,885,911]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="genus">
<emphasis id="B91FEAAEFFF00B0BFEB07E55FE62FC43" box="[355,505,885,911]" italics="true" pageId="12" pageNumber="13">Pleurosigma</emphasis>
</taxonomicName>
, the fourth being 
<taxonomicName id="4C6B4D3FFFF00B0BFD187E55FB65FC43" authority="Ferrario &amp; Sar (Sar et al. 2012)" box="[715,1278,885,911]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="patagonicum">
<emphasis id="B91FEAAEFFF00B0BFD187E55FC1EFC43" box="[715,901,885,911]" italics="true" pageId="12" pageNumber="13">P. patagonicum</emphasis>
Ferrario &amp; Sar (
<bibRefCitation id="EFFA4B4DFFF00B0BFB9B7E55FB6CFC43" author="Sar, E. A. &amp; F. Hinz &amp; F. A. S. Sterrenburg &amp; A. S. Lavigne &amp; S. Lufeudo &amp; I. Sunesen" box="[1096,1271,885,911]" pageId="12" pageNumber="13" pagination="237 - 253" refId="ref19588" refString="Sar, E. A., F. Hinz, F. A. S. Sterrenburg, A. S. Lavigne, S. Lufeudo &amp; I. Sunesen. 2012. Species of Pleurosigma (Pleurosigmataceae) with lanceolate or slightly sigmoid valve outlines: analysis of type material. Diatom Research 27: 237 - 253." type="journal article" year="2012">Sar et al. 2012</bibRefCitation>
)
</taxonomicName>
(
<tableCitation id="C6E90307FFF00B0BFADD7E55FAF0FC43" box="[1294,1387,885,911]" captionStart="Table 2" captionStartId="13.[200,264,783,811]" captionTargetPageId="13" captionText="Table 2. Comparison of Pleurosigma simulacrum with other straight species." httpUri="http://table.plazi.org/id/DF146634FFF10B0AFF1B7E2FFBB7FCE7" pageId="12" pageNumber="13" tableUuid="DF146634FFF10B0AFF1B7E2FFBB7FCE7">Table 2</tableCitation>
). We have checked all images we attributed to 
<taxonomicName id="4C6B4D3FFFF00B0BFD2A7EB7FC3FFC7D" box="[761,932,919,945]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="13" phylum="Ochrophyta" rank="species" species="simulacrum">
<emphasis id="B91FEAAEFFF00B0BFD2A7EB7FC3FFC7D" box="[761,932,919,945]" italics="true" pageId="12" pageNumber="13">P. simulacrum</emphasis>
</taxonomicName>
, now including specimens from Saipan, Chuuk and 
<collectingCountry id="F37C762CFFF00B0BFEBD7E99FE34FC1F" box="[366,431,953,979]" name="Palau" pageId="12" pageNumber="13">Palau</collectingCountry>
(Lobban, unpublished), and confirmed that they were correctly identified.
</paragraph>
</subSubSection>
</treatment>
</document>