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<document id="B8D91E79FCC36867310D4CEBEDAC83B1" ID-DOI="10.11646/phytotaxa.121.1.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="5079466" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625663117258" checkinUser="felipe" docAuthor="Dąbek, Przemysław, Sabbe, Koen, Witkowski, Andrzej, Archibald, Colin, Kurzydłowski, Krzyszof J. &amp; Zgłobicka, Izabela" docDate="2013" docId="C65F87C4532CFFA0A5CDFE31FB8BFAB9" docLanguage="en" docName="Phytotaxa.121.1.42-56.pdf" docOrigin="Phytotaxa 121 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.121.1.2" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Cymatosirella taylorii Dabek &amp; Witkowski 2013, sp. nov." docType="treatment" docVersion="3" lastPageNumber="50" masterDocId="3A66FFBC5324FFA8A55AFF97FFC1FF82" masterDocTitle="Cymatosirella Dąbek, Witkowski &amp; Sabbe gen. nov., a new marine benthic diatom genus (Bacillariophyta) belonging to the family Cymatosiraceae" masterLastPageNumber="56" masterPageNumber="42" pageNumber="50" updateTime="1698995516451" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="49A9F912CB172D81F0971E44E5975397">Cymatosirella Dąbek, Witkowski &amp; Sabbe gen. nov., a new marine benthic diatom genus (Bacillariophyta) belonging to the family Cymatosiraceae</mods:title>
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<mods:namePart id="672B444FB0F7047890AE3851E7C7BD5A">Dąbek, Przemysław</mods:namePart>
<mods:affiliation id="83CF82D074B37819CB06C711A536A078">Institute of Marine Sciences, University of Szczecin, Mickiewicza 18, 70 - 383 Szczecin PL.</mods:affiliation>
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<mods:namePart id="0C7A7BBBF169302A6232EC4A7F98BBC5">Sabbe, Koen</mods:namePart>
<mods:affiliation id="9E73CA3FE73D099ADB1C256F76931C9B">Laboratory of Protistology and Aquatic Ecology, Krijgslaan 281 - S 8, Ghent University, Belgium.</mods:affiliation>
</mods:name>
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<mods:namePart id="6A9020F8B949B1CC323C050DD70F96C3">Witkowski, Andrzej</mods:namePart>
<mods:affiliation id="A6BBEB6000C89095F92EEB7F015ED057">Institute of Marine Sciences, University of Szczecin, Mickiewicza 18, 70 - 383 Szczecin PL.</mods:affiliation>
</mods:name>
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<mods:namePart id="6DBE5FAF2CCA7DB3C129DC8F7A7ABAA3">Archibald, Colin</mods:namePart>
<mods:affiliation id="A7DE318F3C1EC15B0FDA0A8BCAE5A596">KZN Aquatic Ecosystems, 2 / 39 Panzano Circuit, Woodvale, 6026, Perth, Australia.</mods:affiliation>
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<mods:namePart id="A8AB341791D494DE67A30E37A969ED16">Kurzydłowski, Krzyszof J.</mods:namePart>
<mods:affiliation id="DC73C7E5D51365E8AAA6058F998CA5D2">Faculty of Engineering and Material Science, Warsaw University of Technology, Warsaw, Poland.</mods:affiliation>
</mods:name>
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<mods:namePart id="B465BCB923C1D3D817BE5D34DCE143B1">Zgłobicka, Izabela</mods:namePart>
<mods:affiliation id="CC613E6F1E874A4C5BBF71456C71B89C">Faculty of Engineering and Material Science, Warsaw University of Technology, Warsaw, Poland.</mods:affiliation>
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<mods:title id="25FBBBC86FD3AA1484AE079E836A5F72">Phytotaxa</mods:title>
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<mods:date id="B5F96C318C31734A8931989768018E22">2013</mods:date>
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<mods:number id="4CE9D3A33615909B847BD18B9459A71E">2013-08-07</mods:number>
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<mods:number id="8DC0C5A96AFD2C9855A234F3690FDB9B">121</mods:number>
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<mods:url id="D87CF72D088388B40A4C1899A8B4846E">http://dx.doi.org/10.11646/phytotaxa.121.1.2</mods:url>
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<treatment id="C65F87C4532CFFA0A5CDFE31FB8BFAB9" ID-DOI="http://doi.org/10.5281/zenodo.5079470" ID-Zenodo-Dep="5079470" LSID="urn:lsid:plazi:treatment:C65F87C4532CFFA0A5CDFE31FB8BFAB9" httpUri="http://treatment.plazi.org/id/C65F87C4532CFFA0A5CDFE31FB8BFAB9" lastPageNumber="50" pageId="8" pageNumber="50">
<subSubSection id="06EC6559532CFFA0A5CDFE31FD98FDA6" pageId="8" pageNumber="50" type="nomenclature">
<paragraph id="4E4936D2532CFFA0A5CDFE31FB71FE42" blockId="8.[151,1200,422,448]" box="[151,1200,422,448]" pageId="8" pageNumber="50">
<heading id="150181BE532CFFA0A5CDFE31FB71FE42" box="[151,1200,422,448]" fontSize="11" level="2" pageId="8" pageNumber="50" reason="3">
<taxonomicName id="89F64D51532CFFA0A5CDFE31FD4CFE42" authority="Dabek &amp; Witkowski" authorityName="Dabek &amp; Witkowski" authorityYear="2013" box="[151,653,422,448]" class="Bacillariophyceae" family="Cymatosiraceae" genus="Cymatosirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymatosirales" pageId="8" pageNumber="50" phylum="Ochrophyta" rank="species" species="taylorii" status="sp. nov.">
<emphasis id="7C82EAC0532CFFA0A5CDFE31FE56FE42" bold="true" box="[151,407,422,448]" italics="true" pageId="8" pageNumber="50">Cymatosirella taylorii</emphasis>
Dąbek &amp; Witkowski
</taxonomicName>
<emphasis id="7C82EAC0532CFFA0A7C9FE30FD2DFE42" box="[659,748,423,448]" italics="true" pageId="8" pageNumber="50">
<taxonomicNameLabel id="67B157BB532CFFA0A7C9FE30FD2DFE42" box="[659,748,423,448]" pageId="8" pageNumber="50" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="D6CD2A57532CFFA0A7A1FE31FCBCFE42" box="[763,893,422,448]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 44–51</figureCitation>
[LM],
<figureCitation id="D6CD2A57532CFFA0A68BFE31FB90FE42" box="[977,1105,422,448]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 52–58</figureCitation>
[SEM])
</heading>
</paragraph>
<paragraph id="4E4936D2532CFFA0A5CDFE5AFD98FDA6" blockId="8.[151,1436,461,647]" pageId="8" pageNumber="50">
Frustules rectangular in girdle view with undulated outline. Valves lanceolate to elliptical,
<quantity id="890E9B37532CFFA0A12CFE5AFB19FE66" box="[1142,1240,461,484]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="13.0" metricValueMin="4.0" pageId="8" pageNumber="50" unit="mm" value="8.5" valueMax="13.0" valueMin="4.0">4–13 µm</quantity>
long and
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wide. Central part of valve face and apices elevated. Valve surface areolated, with ca. 50 areolae in
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. Areolae distributed over the whole valve face.
</paragraph>
</subSubSection>
<subSubSection id="06EC6559532CFFA0A5CDFDBBFCF8FD75" pageId="8" pageNumber="50" type="materials_examined">
<paragraph id="4E4936D2532CFFA0A5CDFDBBFD8EFD05" blockId="8.[151,1436,461,647]" pageId="8" pageNumber="50">
<emphasis id="7C82EAC0532CFFA0A5CDFDBBFF16FDC6" bold="true" box="[151,215,556,580]" pageId="8" pageNumber="50">Type:</emphasis>
—
<materialsCitation id="FE9E3C8F532CFFA0A5A9FDBAFD8AFD05" collectingDate="2011-02-19" collectionCode="SZCZ" collectorName="Dabek &amp; Witkowski &amp; Archibald" country="South Africa" location="Saldanha Bay" municipality="Langebaan Lagoon" pageId="8" pageNumber="50" specimenCode="SZCZ 17582" specimenCount="1" stateProvince="Western Cape" typeStatus="holotype">
<collectingCountry id="36E17642532CFFA0A5A9FDBAFE79FDC6" box="[243,440,557,580]" name="South Africa" pageId="8" pageNumber="50">SOUTH AFRICA</collectingCountry>
.
<collectingRegion id="8C32F830532CFFA0A49EFDBAFD04FDC6" box="[452,709,557,580]" country="South Africa" name="Western Cape" pageId="8" pageNumber="50">Western Cape Province</collectingRegion>
: eastern part of
<collectingMunicipality id="AE2DACA8532CFFA0A62FFDBAFB86FDC6" box="[885,1095,557,580]" pageId="8" pageNumber="50">Langebaan Lagoon</collectingMunicipality>
,
<location id="4B296009532CFFA0A109FDBAFB28FDC6" LSID="urn:lsid:plazi:treatment:C65F87C4532CFFA0A5CDFE31FB8BFAB9:4B296009532CFFA0A109FDBAFB28FDC6" box="[1107,1257,557,580]" country="South Africa" municipality="Langebaan Lagoon" name="Saldanha Bay" pageId="8" pageNumber="50" stateProvince="Western Cape">Saldanha Bay</location>
, sandy sediment from the intertidal sandbank (33°6’788’’S; 18°2’631’’E) collected on
<date id="3A481012532CFFA0A6E4FDC7FB4BFDE5" box="[958,1162,589,615]" pageId="8" pageNumber="50" value="2011-02-19">
<collectingDate id="2A0CE9FA532CFFA0A6E4FDC7FB4BFDE5" box="[958,1162,589,615]" pageId="8" pageNumber="50" value="2011-02-19">
19
<superScript id="B9839B9A532CFFA0A683FDDAFC25FDD8" attach="left" box="[985,996,589,602]" fontSize="5" pageId="8" pageNumber="50">th</superScript>
February 2011
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by
<collectorName id="E3035304532CFFA0A1ECFDC7FB3FFDE5" box="[1206,1278,592,615]" pageId="8" pageNumber="50">Dąbek</collectorName>
,
<collectorName id="E3035304532CFFA0A051FDC7FABEFDE5" box="[1291,1407,592,615]" pageId="8" pageNumber="50">Witkowski</collectorName>
&amp;
<collectorName id="E3035304532CFFA0A59DFDE7FEF0FD05" box="[199,305,624,647]" pageId="8" pageNumber="50">Archibald</collectorName>
(
<specimenCode id="1E509EA9532CFFA0A465FDE7FE0FFD05" box="[319,462,624,647]" collectionCode="SZCZ" country="Poland" httpUri="http://grbio.org/cool/3kak-ye4c" name="University of Szczecin" pageId="8" pageNumber="50" type="Herbarium">SZCZ 17582</specimenCode>
,
<typeStatus id="914D8870532CFFA0A483FDE7FD81FD05" box="[473,576,624,647]" pageId="8" pageNumber="50" type="holotype">holotype</typeStatus>
!)
</materialsCitation>
.
</paragraph>
<paragraph id="4E4936D2532CFFA0A5CDFD21FCF8FD75" blockId="8.[151,1436,694,1339]" pageId="8" pageNumber="50">
<emphasis id="7C82EAC0532CFFA0A5CDFD21FEC2FD52" bold="true" box="[151,259,694,720]" pageId="8" pageNumber="50">Habitat:</emphasis>
—The eastern part of Langebaan Lagoon is a shallow, sandy tidal pool. High and low tide occur twice a day. Sea surface water temperature exceeds 18° C
</paragraph>
</subSubSection>
<subSubSection id="06EC6559532CFFA0A59CFC94FCB8FB45" pageId="8" pageNumber="50" type="etymology">
<paragraph id="4E4936D2532CFFA0A59CFC94FC1CFCC6" blockId="8.[151,1436,694,1339]" pageId="8" pageNumber="50">
<emphasis id="7C82EAC0532CFFA0A59CFC94FE96FC9F" bold="true" box="[198,343,771,797]" pageId="8" pageNumber="50">Etymology:</emphasis>
—Named after and dedicated to our friend and prominent South African diatomologist Dr. Jonathan Taylor (North-West University, Potchefstroom,
<collectingCountry id="36E17642532CFFA0A66FFCBDFC10FCC6" box="[821,977,810,836]" name="South Africa" pageId="8" pageNumber="50">South Africa</collectingCountry>
).
</paragraph>
<paragraph id="4E4936D2532CFFA0A59CFCC7FCB8FB45" blockId="8.[151,1436,694,1339]" pageId="8" pageNumber="50">
<emphasis id="7C82EAC0532CFFA0A59CFCC7FEB7FCE8" bold="true" box="[198,374,848,874]" pageId="8" pageNumber="50">Observations:</emphasis>
—The frustules are rectangular in girdle view with an undulated outline (
<figureCitation id="D6CD2A57532CFFA0A182FCC6FA4FFCE9" box="[1240,1422,849,875]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 44–47, 52</figureCitation>
). Cells are predominantly solitary, but occasionally two cells were found joined together (
<figureCitation id="D6CD2A57532CFFA0A1C6FCEFFB34FC10" box="[1180,1269,888,914]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Fig. 44</figureCitation>
). The girdle is broad, and composed of numerous bands bearing one row of fine puncta (
<figureCitation id="D6CD2A57532CFFA0A158FC09FB9AFC3A" box="[1026,1115,926,952]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Fig. 52</figureCitation>
). The valves are lanceolate to elliptical,
<quantity id="890E9B37532CFFA0A473FC52FE50FC5D" box="[297,401,965,991]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="13.0" metricValueMin="4.0" pageId="8" pageNumber="50" unit="mm" value="8.5" valueMax="13.0" valueMin="4.0">4–13 µm</quantity>
long and
<quantity id="890E9B37532CFFA0A759FC52FD9DFC5D" box="[515,604,965,991]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="4.0" metricValueMin="1.0" pageId="8" pageNumber="50" unit="mm" value="2.5" valueMax="4.0" valueMin="1.0">1–4 µm</quantity>
wide (
<figureCitation id="D6CD2A57532CFFA0A7F1FC52FC9FFC5D" box="[683,862,965,991]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 48–51, 53</figureCitation>
). The central part of the valve face and apices are elevated (
<figureCitation id="D6CD2A57532CFFA0A453FC7BFE52FB84" box="[265,403,1004,1030]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 54, 56</figureCitation>
). The valve surface is strongly ornamented with areolae, ca.
<quantity id="890E9B37532CFFA0A13EFC7BFB60FB84" box="[1124,1185,1004,1030]" metricMagnitude="0" metricUnit="m" metricValue="1.27" pageId="8" pageNumber="50" unit="in" value="50.0">50 in</quantity>
<quantity id="890E9B37532CFFA0A1F3FC7BFB34FB84" box="[1193,1269,1003,1030]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="50" unit="mm" value="10.0">10 µm</quantity>
(
<figureCitation id="D6CD2A57532CFFA0A05FFC7BFA4EFB84" box="[1285,1423,1004,1030]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 53–56</figureCitation>
). Near the central elevation, areolae are randomly distributed; further towards the apices they are arranged in longitudinal rows (
<figureCitation id="D6CD2A57532CFFA0A4D9FBAEFD84FBD1" box="[387,581,1081,1107]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 53, 55, 56</figureCitation>
). Occlusions have not been observed. Each valve bears two ocelluli, composed of 7–10 porelli, with 1–2 central ones (
<figureCitation id="D6CD2A57532CFFA0A78DFBF7FC9FFBF8" box="[727,862,1120,1146]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 57, 58</figureCitation>
). The ocelluli are surrounded by a hyaline ring of silica (
<figureCitation id="D6CD2A57532CFFA0A5BDFB11FE63FB22" box="[231,418,1158,1184]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 53, 55, 57</figureCitation>
). No areolae occur near the ocelluli (
<figureCitation id="D6CD2A57532CFFA0A63BFB11FC2EFB22" box="[865,1007,1158,1184]" captionStart="FIGURES 44–58" captionStartId="9.[151,263,1105,1128]" captionTargetBox="[230,1349,185,1085]" captionTargetId="figure-395@9.[219,1368,175,1097]" captionTargetPageId="9" captionText="FIGURES 44–58: Cymatosirella taylorii Dąbek &amp; Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central)." figureDoi="http://doi.org/10.5281/zenodo.5079478" httpUri="https://zenodo.org/record/5079478/files/figure.png" pageId="8" pageNumber="50">Figs 53, 57</figureCitation>
). Spines were observed only rarely. Processes, pili, fascia nor pseudosepta have not been observed.
</paragraph>
</subSubSection>
<subSubSection id="06EC6559532CFFA0A59CFB44FB8BFAB9" pageId="8" pageNumber="50" type="biology_ecology">
<paragraph id="4E4936D2532CFFA0A59CFB44FB8BFAB9" blockId="8.[151,1436,694,1339]" pageId="8" pageNumber="50">
<emphasis id="7C82EAC0532CFFA0A59CFB44FDC1FB6F" bold="true" box="[198,512,1235,1261]" pageId="8" pageNumber="50">Ecology and geography:</emphasis>
—
<taxonomicName id="89F64D51532CFFA0A746FB43FCE5FB6F" authorityName="Dabek &amp; Witkowski" authorityYear="2013" box="[540,804,1236,1261]" class="Bacillariophyceae" family="Cymatosiraceae" genus="Cymatosirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymatosirales" pageId="8" pageNumber="50" phylum="Ochrophyta" rank="species" species="taylorii">
<emphasis id="7C82EAC0532CFFA0A746FB43FCE5FB6F" box="[540,804,1236,1261]" italics="true" pageId="8" pageNumber="50">Cymatosirella taylorii</emphasis>
</taxonomicName>
<materialsCitation id="FE9E3C8F532CFFA0A66BFB43FB87FAB9" collectionCode="SZCZ" pageId="8" pageNumber="50" specimenCode="SZCZ 17582" specimenCount="1" typeStatus="holotype">
has been found in only one sandy sample (
<specimenCode id="1E509EA9532CFFA0A008FB43FF22FA96" collectionCode="SZCZ" country="Poland" httpUri="http://grbio.org/cool/3kak-ye4c" name="University of Szczecin" pageId="8" pageNumber="50" type="Herbarium">SZCZ 17582</specimenCode>
, the
<typeStatus id="914D8870532CFFA0A446FB6DFE44FA96" box="[284,389,1274,1300]" pageId="8" pageNumber="50" type="holotype">holotype</typeStatus>
) from an intertidal sandbank in the eastern part of the Langebaan Lagoon. Only a dozen valves have been found. This species most probably belongs to the epipsammon
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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