229 lines
40 KiB
XML
229 lines
40 KiB
XML
<document id="CD83487C101F7B2F89E76F497A171FC4" ID-CLB-Dataset="26967" ID-DOI="10.5852/ejt.2019.497" ID-GBIF-Dataset="445ce82a-c971-4b27-b2a0-f0717756e9e5" ID-Zenodo-Dep="2651618" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1556226622917" checkinUser="plazi" docAuthor="Al-Handal, Adil Y., Riaux-Gobin, Catherine, Jahn, Regine, Wulff, Angela Katarina & Minerovic, Alison" docDate="2019" docId="E8593F00FFBDFFB8FE56FE258E4FFD88" docLanguage="en" docName="ejt-497_al-handal_riaux-gobin_jahn_wulff_minerovic.pdf.imf" docOrigin="European Journal of Taxonomy 497" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Cocconeis vrangoensis Al-Handal & Riaux-Gob. 2019, sp. nov." docType="treatment" docVersion="9" lastPageNumber="9" masterDocId="14604778FFB5FFB3FF90FFFB8C1DFF89" masterDocTitle="Two new marine species of Cocconeis (Bacillariophyceae) from the west coast of Sweden" masterLastPageNumber="16" masterPageNumber="1" pageNumber="9" updateTime="1698723958499" updateUser="ExternalLinkService">
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<mods:title id="6AE5EC4F72A27D828FCB058B1E8CB8B3">Two new marine species of Cocconeis (Bacillariophyceae) from the west coast of Sweden</mods:title>
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<mods:namePart id="B8F8363C52D6F517037F424B39B02263">Al-Handal, Adil Y.</mods:namePart>
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<mods:roleTerm id="E84DF9F7724F7B5AFA632FD03292E58B">Author</mods:roleTerm>
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<mods:namePart id="0F4B952064E91AAE6F57248EBB4FDFD7">Riaux-Gobin, Catherine</mods:namePart>
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<mods:roleTerm id="638CD759CF02AEAFD0B94FF7F66C98E8">Author</mods:roleTerm>
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<mods:namePart id="2AEC2F819938BAB106D996B2F468B7EB">Jahn, Regine</mods:namePart>
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<mods:name id="300CAE64D4ADBC080A270A830F25D388" type="personal">
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<mods:roleTerm id="F51882288BDEC83ABE47A9BD419E41F8">Author</mods:roleTerm>
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<mods:namePart id="FCD16E30E608375807899D5EA0A48D12">Wulff, Angela Katarina</mods:namePart>
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<mods:name id="C29E46234A387F9CC576C77E5CB47849" type="personal">
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<mods:roleTerm id="6400A74BF1A1126219FC4D720C4B4BCD">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="380A40283AC03460BFB1B7859330D22A">Minerovic, Alison</mods:namePart>
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<mods:title id="3CE4F775982703BAC2276763D89AD052">European Journal of Taxonomy</mods:title>
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<mods:part id="EC16CA06CC95B6B21349751E6B056CA7">
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<mods:date id="77D03BC4F079DC5D7E198BD80686345C">2019</mods:date>
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<mods:number id="E1193F11CD9B533EC71F6484CDA53DB2">2019-02-12</mods:number>
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<mods:number id="4E0869B329FD233D2A7AF53CFE2941CA">497</mods:number>
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<mods:identifier id="65865A1CF96BCED173D4FA5906EC2001" type="DOI">10.5852/ejt.2019.497</mods:identifier>
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<treatment id="E8593F00FFBDFFB8FE56FE258E4FFD88" ID-DOI="http://doi.org/10.5281/zenodo.5640702" ID-GBIF-Taxon="156844117" ID-Zenodo-Dep="5640702" LSID="urn:lsid:plazi:treatment:E8593F00FFBDFFB8FE56FE258E4FFD88" httpUri="http://treatment.plazi.org/id/E8593F00FFBDFFB8FE56FE258E4FFD88" lastPageId="11" lastPageNumber="9" pageId="8" pageNumber="9">
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<subSubSection id="28EADD9DFFBDFFBBFE56FE258F9AFD95" pageId="8" pageNumber="9" type="nomenclature">
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<paragraph id="604F8E16FFBDFFBBFE56FE258873FE71" blockId="8.[454,1134,478,540]" box="[454,1134,478,504]" pageId="8" pageNumber="9">
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<heading id="3B07397AFFBDFFBBFE56FE258873FE71" box="[454,1134,478,504]" centered="true" fontSize="11" level="2" pageId="8" pageNumber="9" reason="2">
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<taxonomicName id="A7F0F595FFBDFFBBFE56FE258810FE71" authority="Al-Handal & Riaux-Gob." authorityName="Al-Handal & Riaux-Gob." authorityYear="2019" box="[454,1037,478,504]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="9" phylum="Bacillariophyta" rank="species" species="vrangoensis" status="sp. nov.">
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<emphasis id="52845204FFBDFFBBFE56FE258EC7FE71" bold="true" box="[454,730,478,504]" italics="true" pageId="8" pageNumber="9">Cocconeis vrangoensis</emphasis>
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Al-Handal & Riaux-Gob.
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</taxonomicName>
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<taxonomicNameLabel id="49B7EF7FFFBDFFBBFB84FE258873FE71" box="[1044,1134,478,504]" pageId="8" pageNumber="9" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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<paragraph id="604F8E16FFBDFFBBFD3CFDF98F9AFD95" blockId="8.[454,1134,478,540]" box="[684,903,513,540]" pageId="8" pageNumber="9">
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<figureCitation id="F8CB9293FFBDFFBBFD3CFDF98F2FFD95" box="[684,818,513,540]" captionStart="Figs 10–15" captionStartId="5.[189,241,1920,1946]" captionTargetBox="[189,1398,540,1605]" captionTargetId="figure@5.[189,1398,540,1605]" captionTargetPageId="5" captionText="Figs 10–15. SEM images of Cocconeis vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 10–12. SV. 13–15. Internal side of the RV, showing variations in valves size and outline. Scale bar: 10 µm." httpUri="https://zenodo.org/record/2946697/files/figure.png" pageId="8" pageNumber="9">Figs 10–15</figureCitation>
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,
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<figureCitation id="F8CB9293FFBDFFBBFCAEFDFA8F9AFD95" box="[830,903,513,540]" captionStart-0="Figs 28–36" captionStart-1="Figs 37–45" captionStartId-0="9.[191,243,1853,1879]" captionStartId-1="10.[189,241,1781,1807]" captionTargetBox-0="[188,1400,516,1583]" captionTargetBox-1="[187,1399,438,1605]" captionTargetId-0="figure@9.[188,1400,516,1583]" captionTargetId-1="figure@10.[187,1399,438,1605]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionText-0="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." captionText-1="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri-0="https://zenodo.org/record/2946709/files/figure.png" httpUri-1="https://zenodo.org/record/2946711/files/figure.png" pageId="8" pageNumber="9">28–45</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="28EADD9DFFBDFFBBFF2DFDBF8F90FC94" pageId="8" pageNumber="9" type="diagnosis">
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<paragraph id="604F8E16FFBDFFBBFF2DFDBF8E0FFDD7" blockId="8.[189,530,580,606]" box="[189,530,580,606]" pageId="8" pageNumber="9">
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<heading id="3B07397AFFBDFFBBFF2DFDBF8E0FFDD7" bold="true" box="[189,530,580,606]" fontSize="11" level="3" pageId="8" pageNumber="9" reason="3">
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<emphasis id="52845204FFBDFFBBFF2DFDBF8E0FFDD7" bold="true" box="[189,530,580,606]" pageId="8" pageNumber="9">Differential diagnosis (LM)</emphasis>
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</heading>
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</paragraph>
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<paragraph id="604F8E16FFBDFFBBFF2DFD888F90FC94" blockId="8.[189,1399,627,798]" pageId="8" pageNumber="9">
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Valves broadly elliptic to slightly rhombic, with round apices. Apical axis
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<quantity id="A70823F3FFBDFFBBFBC4FD8888CCFD07" box="[1108,1233,627,654]" metricMagnitude="-2" metricUnit="m" metricValue="1.45" metricValueMax="1.6" metricValueMin="1.3" pageId="8" pageNumber="9" unit="mm" value="14.5" valueMax="16.0" valueMin="13.0">13–16 µm</quantity>
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(13.9 ± 2.6), transapical axis
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<quantity id="A70823F3FFBDFFBBFEEFFD6C8DE6FD3B" box="[383,507,663,690]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" metricValueMax="1.4" metricValueMin="1.2" pageId="8" pageNumber="9" unit="mm" value="13.0" valueMax="14.0" valueMin="12.0">12–14 µm</quantity>
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(12.9 ± 0.6, n = 72). Raphe straight, ending slightly before apices. Striae parallel in the middle, becoming radiate towards the apices,
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<quantity id="A70823F3FFBDFFBBFC02FD408FE6FD5C" box="[914,1019,699,725]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" metricValueMax="6.604" metricValueMin="6.096" pageId="8" pageNumber="9" unit="in" value="25.0" valueMax="26.0" valueMin="24.0">24–26 in</quantity>
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<quantity id="A70823F3FFBDFFBBFB95FD40884EFD5F" box="[1029,1107,699,726]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="9" unit="mm" value="10.0">10 µm</quantity>
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in the RV and
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<quantity id="A70823F3FFBDFFBBFA9DFD40896AFD5C" box="[1293,1399,699,725]" metricMagnitude="-1" metricUnit="m" metricValue="3.81" metricValueMax="4.064" metricValueMin="3.556" pageId="8" pageNumber="9" unit="in" value="15.0" valueMax="16.0" valueMin="14.0">14–16 in</quantity>
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<quantity id="A70823F3FFBDFFBBFF2DFD248D11FD73" box="[189,268,735,762]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="9" unit="mm" value="10.0">10 µm</quantity>
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in the SV. RV with a silica ridge close to the valve margin and following the curvature of the valve, wider near the center and narrower towards the apices.
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</paragraph>
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</subSubSection>
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<subSubSection id="28EADD9DFFBDFFBBFF2DFCBD888DFC06" box="[189,1168,838,911]" pageId="8" pageNumber="9" type="etymology">
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||
<paragraph id="604F8E16FFBDFFBBFF2DFCBD8D59FCE9" blockId="8.[189,324,838,864]" box="[189,324,838,864]" pageId="8" pageNumber="9">
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||
<heading id="3B07397AFFBDFFBBFF2DFCBD8D59FCE9" bold="true" box="[189,324,838,864]" fontSize="11" level="3" pageId="8" pageNumber="9" reason="3">
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<emphasis id="52845204FFBDFFBBFF2DFCBD8D59FCE9" bold="true" box="[189,324,838,864]" pageId="8" pageNumber="9">Etymology</emphasis>
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</heading>
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||
</paragraph>
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<paragraph id="604F8E16FFBDFFBBFF2DFC8E888DFC06" blockId="8.[189,1168,885,911]" box="[189,1168,885,911]" pageId="8" pageNumber="9">The specific epithet of the new species refers to the location where it was collected.</paragraph>
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</subSubSection>
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<subSubSection id="28EADD9DFFBDFFBBFF2DFC4C8E9CFB5A" pageId="8" pageNumber="9" type="materials_examined">
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<paragraph id="604F8E16FFBDFFBBFF2DFC4C8D71FC58" blockId="8.[189,364,951,977]" box="[189,364,951,977]" pageId="8" pageNumber="9">
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<heading id="3B07397AFFBDFFBBFF2DFC4C8D71FC58" bold="true" box="[189,364,951,977]" fontSize="11" level="3" pageId="8" pageNumber="9" reason="3">
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<emphasis id="52845204FFBDFFBBFF2DFC4C8D71FC58" bold="true" box="[189,364,951,977]" pageId="8" pageNumber="9">Type material</emphasis>
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</heading>
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</paragraph>
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<paragraph id="604F8E16FFBDFFBBFF7AFC1C88A7FBC0" blockId="8.[189,1399,998,1097]" pageId="8" pageNumber="9">
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<materialsCitation id="D098844BFFBDFFBBFF7AFC1C88A7FBC0" ID-GBIF-Occurrence="3396392302" collectedFrom="intertidal zone, as epiphytic on Ulva intestinalis" collectingDate="2016-08" collectionCode="BGBM" collectorName="A. Al-Handal" country="Sweden" httpUri="http://phycobank.org/1000795" latitude="57.566666" location="Vrango Island" longLatPrecision="1050" longitude="11.783334" municipality="Vrango Island" pageId="8" pageNumber="9" specimenCode="B 40 0 0 43105" specimenCount="1" typeStatus="holotype">
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<typeStatus id="BF4B30B4FFBDFFBBFF7AFC1C8D41FB88" box="[234,348,999,1025]" pageId="8" pageNumber="9" type="holotype">
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<emphasis id="52845204FFBDFFBBFF7AFC1C8D41FB88" bold="true" box="[234,348,999,1025]" pageId="8" pageNumber="9">Holotype</emphasis>
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</typeStatus>
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(
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<figureCitation id="F8CB9293FFBDFFBBFEFCFC1D8DEEFB88" box="[364,499,998,1025]" captionStart="Figs 10–15" captionStartId="5.[189,241,1920,1946]" captionTargetBox="[189,1398,540,1605]" captionTargetId="figure@5.[189,1398,540,1605]" captionTargetPageId="5" captionText="Figs 10–15. SEM images of Cocconeis vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 10–12. SV. 13–15. Internal side of the RV, showing variations in valves size and outline. Scale bar: 10 µm." httpUri="https://zenodo.org/record/2946697/files/figure.png" pageId="8" pageNumber="9">Figs 11, 13</figureCitation>
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: http://phycobank.org/1000795)
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<collectingCountry id="18E7CE86FFBDFFBBFF2DFBF08D2AFBAC" box="[189,311,1035,1061]" name="Sweden" pageId="8" pageNumber="9">SWEDEN</collectingCountry>
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•
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<location id="652FD8CDFFBDFFBBFEDEFBF18DEBFBAD" LSID="urn:lsid:plazi:treatment:E8593F00FFBDFFB8FE56FE258E4FFD88:652FD8CDFFBDFFBBFEDEFBF18DEBFBAD" box="[334,502,1034,1061]" country="Sweden" latitude="57.566666" longLatPrecision="1050" longitude="11.783334" municipality="Vrango Island" name="Vrango Island" pageId="8" pageNumber="9">Vrångö Island</location>
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,
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<location id="652FD8CDFFBDFFBBFD91FBF08F4AFBAD" LSID="urn:lsid:plazi:treatment:E8593F00FFBDFFB8FE56FE258E4FFD88:652FD8CDFFBDFFBBFD91FBF08F4AFBAD" box="[513,855,1034,1061]" country="Sweden" latitude="57.566666" longLatPrecision="1050" longitude="11.783334" municipality="Vrango Island" name="eastern side of Vrango Island" pageId="8" pageNumber="9">
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eastern side of
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<collectingMunicipality id="802B146CFFBDFFBBFD3FFBF18F4AFBAD" box="[687,855,1034,1061]" pageId="8" pageNumber="9">Vrångö Island</collectingMunicipality>
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</location>
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;
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<geoCoordinate id="05C4E8D1FFBDFFBBFCF2FBF18FCCFBAC" box="[866,977,1034,1061]" direction="north" orientation="latitude" pageId="8" pageNumber="9" precision="925" value="57.566666">57°34´N</geoCoordinate>
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,
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<geoCoordinate id="05C4E8D1FFBDFFBBFC4CFBF0885AFBAC" box="[988,1095,1035,1061]" direction="east" orientation="longitude" pageId="8" pageNumber="9" precision="925" value="11.783334">11°47´E</geoCoordinate>
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||
;
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<collectingDate id="040A513EFFBDFFBBFBC1FBF088D2FBAD" box="[1105,1231,1034,1061]" pageId="8" pageNumber="9" value="2016-08">
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<date id="144EA8D6FFBDFFBBFBC1FBF088D2FBAD" box="[1105,1231,1034,1061]" pageId="8" pageNumber="9" value="2016-08">Aug. 2016</date>
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</collectingDate>
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;
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<collectorName id="CD05EBC0FFBDFFBBFB49FBF0896AFBAD" box="[1241,1399,1034,1061]" pageId="8" pageNumber="9">A. Al-Handal</collectorName>
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s.n. leg.;
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<collectedFrom id="D3ECCDEBFFBDFFBBFEB8FBD58F44FBC1" box="[296,857,1070,1097]" pageId="8" pageNumber="9">
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intertidal zone, as epiphytic on
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<taxonomicName id="A7F0F595FFBDFFBBFD08FBD58F44FBC1" authority="Linnaeus, 1753" authorityName="Linnaeus" authorityYear="1753" box="[664,857,1070,1096]" class="Ulvophyceae" family="Ulvaceae" genus="Ulva" kingdom="Plantae" order="Ulvales" pageId="8" pageNumber="9" phylum="Chlorophyta" rank="species" species="intestinalis">
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<emphasis id="52845204FFBDFFBBFD08FBD58F44FBC1" box="[664,857,1070,1096]" italics="true" pageId="8" pageNumber="9">Ulva intestinalis</emphasis>
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</taxonomicName>
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</collectedFrom>
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;
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<collectionCode id="06E116D3FFBDFFBBFCF8FBD48FDCFBC0" box="[872,961,1071,1097]" pageId="8" pageNumber="9">BGBM</collectionCode>
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, slide
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<specimenCode id="3056266DFFBDFFBBFB9CFBD488AAFBC0" box="[1036,1207,1070,1097]" pageId="8" pageNumber="9">B 40 0 0 43105</specimenCode>
|
||
.
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||
</materialsCitation>
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||
</paragraph>
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||
<paragraph id="604F8E16FFBDFFBBFF7AFB8A8E9CFB5A" blockId="8.[189,1398,1137,1235]" pageId="8" pageNumber="9">
|
||
<materialsCitation id="D098844BFFBDFFBBFF7AFB8A8E60FB5A" ID-GBIF-Occurrence="2236964502" collectingDate="2016-08" collectionCode="Department of Biological and Environmental Sciences" collectorName="A. Al-Handal" country="Sweden" latitude="57.566666" location="University of Gothenburg" longLatPrecision="1050" longitude="11.783334" municipality="University of Gothenburg" pageId="8" pageNumber="9" specimenCode="V002" specimenCount="1" typeStatus="isotype">
|
||
<typeStatus id="BF4B30B4FFBDFFBBFF7AFB8A8D58FB02" box="[234,325,1137,1163]" pageId="8" pageNumber="9" type="isotype">
|
||
<emphasis id="52845204FFBDFFBBFF7AFB8A8D58FB02" bold="true" box="[234,325,1137,1163]" pageId="8" pageNumber="9">Isotype</emphasis>
|
||
</typeStatus>
|
||
<collectingCountry id="18E7CE86FFBDFFBBFF2DFB6E8D2AFB26" box="[189,311,1173,1199]" name="Sweden" pageId="8" pageNumber="9">SWEDEN</collectingCountry>
|
||
• Same data as for holotype;
|
||
<collectionCode id="06E116D3FFBDFFBBFD57FB6E896FFB26" box="[711,1394,1173,1199]" pageId="8" pageNumber="9">
|
||
<location id="652FD8CDFFBDFFBBFD57FB6E881FFB26" LSID="urn:lsid:plazi:treatment:E8593F00FFBDFFB8FE56FE258E4FFD88:652FD8CDFFBDFFBBFD57FB6E881FFB26" box="[711,1026,1173,1199]" country="Sweden" municipality="University of Gothenburg" name="Department of Biological" pageId="8" pageNumber="9">Department of Biological</location>
|
||
and Environmental Sciences
|
||
</collectionCode>
|
||
,
|
||
<collectingMunicipality id="802B146CFFBDFFBBFF2DFB428DF2FB5A" box="[189,495,1209,1235]" pageId="8" pageNumber="9">University of Gothenburg</collectingMunicipality>
|
||
, slide
|
||
<specimenCode id="3056266DFFBDFFBBFDA8FB428E60FB5A" box="[568,637,1209,1235]" pageId="8" pageNumber="9">V002</specimenCode>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="28EADD9DFFBDFFB8FF2DFB008E4FFD88" lastPageId="11" lastPageNumber="12" pageId="8" pageNumber="9" type="description">
|
||
<paragraph id="604F8E16FFBDFFBBFF2DFB008DB5FA9C" blockId="8.[189,424,1275,1301]" box="[189,424,1275,1301]" pageId="8" pageNumber="9">
|
||
<heading id="3B07397AFFBDFFBBFF2DFB008DB5FA9C" bold="true" box="[189,424,1275,1301]" fontSize="11" level="3" pageId="8" pageNumber="9" reason="3">
|
||
<emphasis id="52845204FFBDFFBBFF2DFB008DB5FA9C" bold="true" box="[189,424,1275,1301]" pageId="8" pageNumber="9">Description (SEM)</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="604F8E16FFBDFFBBFF7AFAD18DBDFACC" blockId="8.[189,1399,1322,1745]" box="[234,416,1322,1349]" pageId="8" pageNumber="9">
|
||
<emphasis id="52845204FFBDFFBBFF7AFAD18DBDFACC" bold="true" box="[234,416,1322,1349]" pageId="8" pageNumber="9">Sternum valve</emphasis>
|
||
</paragraph>
|
||
<paragraph id="604F8E16FFBDFFBBFF2DFAB5896BF958" blockId="8.[189,1399,1322,1745]" pageId="8" pageNumber="9">
|
||
Convex on the external side, valve face flat to slightly depressed, with a wide mantle (
|
||
<figureCitation id="F8CB9293FFBDFFBBFB07FAB588F0FAE1" box="[1175,1261,1358,1384]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 30</figureCitation>
|
||
). Axial area narrow and plain with no central area and terminating before the mantle (
|
||
<figureCitation id="F8CB9293FFBDFFBBFBBAFA898899FA05" box="[1066,1156,1394,1420]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 30</figureCitation>
|
||
). Striae monoseriate becoming tri- to tetraseriate on the mantle. Virgae narrower than the striae and strongly raised on the internal valve face (
|
||
<figureCitation id="F8CB9293FFBDFFBBFE36FA418DE3FA5D" box="[422,510,1466,1492]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 29</figureCitation>
|
||
). Areolae round to sub- quadrangular on both sides (
|
||
<figureCitation id="F8CB9293FFBDFFBBFBF7FA4188EDFA5D" box="[1127,1264,1466,1492]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Figs 29–30</figureCitation>
|
||
), sometime the septum between two adjacent areolae become very low or disappear and the areolae appear oblong with round corners (
|
||
<figureCitation id="F8CB9293FFBDFFBBFE3DF9F98E25F995" box="[429,568,1538,1564]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Figs 28–29</figureCitation>
|
||
). In SV internal side, the areolae are complex structure formed of 5–7 chambers (hymenate openings), one in the center and the others surrounding the central one (
|
||
<figureCitation id="F8CB9293FFBDFFBBFA80F9DD8974F9C9" box="[1296,1385,1574,1600]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 32</figureCitation>
|
||
). The areolae on the mantle are long and composed of several small openings (
|
||
<figureCitation id="F8CB9293FFBDFFBBFBF3F9B188A1F9ED" box="[1123,1212,1610,1636]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 31</figureCitation>
|
||
). Each of these chambers is occluded by hymenes with linear perforations radially arranged (
|
||
<figureCitation id="F8CB9293FFBDFFBBFBD7F99588CCF901" box="[1095,1233,1646,1672]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Figs 32–33</figureCitation>
|
||
). Valvocopula closed (
|
||
<figureCitation id="F8CB9293FFBDFFBBFE86F9698D71F924" box="[278,364,1682,1709]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 36</figureCitation>
|
||
), fimbriae thin, with finger-like extensions. On the advalvar side of the valvocopula, basal parts of the fimbriae are depressed and form grooves below the outer edge of the valvocopula (
|
||
<figureCitation id="F8CB9293FFBDFFBBFA81F94D8974F958" box="[1297,1385,1718,1745]" captionStart="Figs 28–36" captionStartId="9.[191,243,1853,1879]" captionTargetBox="[188,1400,516,1583]" captionTargetId="figure@9.[188,1400,516,1583]" captionTargetPageId="9" captionText="Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae." httpUri="https://zenodo.org/record/2946709/files/figure.png" pageId="8" pageNumber="9">Fig. 35</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="604F8E16FFBDFFBBFF7AF9028D99F89A" blockId="8.[189,1399,1785,2027]" box="[234,388,1785,1811]" pageId="8" pageNumber="9">
|
||
<emphasis id="52845204FFBDFFBBFF7AF9028D99F89A" bold="true" box="[234,388,1785,1811]" pageId="8" pageNumber="9">Raphe valve</emphasis>
|
||
</paragraph>
|
||
<paragraph id="604F8E16FFBDFFB8FF2DF8E68E4FFD88" blockId="8.[189,1399,1785,2027]" lastBlockId="11.[189,1399,267,513]" lastPageId="11" lastPageNumber="12" pageId="8" pageNumber="9">
|
||
Externally, RV slightly concave with marginal part of the mantle hyaline and void of areolae (
|
||
<figureCitation id="F8CB9293FFBDFFBBFA9FF8E68CC0F8D2" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="8" pageNumber="9">Figs 37– 45</figureCitation>
|
||
, arrow). Raphe straight, proximal raphe endings simple and close to each other, terminal raphe endings slightly widening and terminate shortly before apices (
|
||
<figureCitation id="F8CB9293FFBDFFBBFC27F89E8859F8F6" box="[951,1092,1892,1919]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="8" pageNumber="9">Figs 37–45</figureCitation>
|
||
). Axial area very narrow, central area round and small. RV striae uniseriate except on the mantle where they become biseriate. Areolae round and occluded by hymenes with thin perforations radially arranged (
|
||
<figureCitation id="F8CB9293FFBDFFBBFB00F85688F4F84E" box="[1168,1257,1965,1991]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="8" pageNumber="9">Fig. 43</figureCitation>
|
||
). Internally, the RV face is slightly convex with very narrow hyaline area on the inner side of the mantle which is strongly raised (
|
||
<figureCitation id="F8CB9293FFBEFFB8FEE8FEF08E1CFEAC" box="[376,513,267,293]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="11" pageNumber="12">Figs 40–42</figureCitation>
|
||
). Mantle margin folded inwards with a hyaline area void of areolae (
|
||
<figureCitation id="F8CB9293FFBEFFB8FA8CFEF0896FFEAC" box="[1308,1394,267,293]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="11" pageNumber="12">Fig. 41</figureCitation>
|
||
, arrow). Raphe straight, proximal raphe endings deflected in opposite directions, terminal raphe endings terminating shortly before the apices and with weakly developed helictoglossae (
|
||
<figureCitation id="F8CB9293FFBEFFB8FBF5FEAF88F3FEE6" box="[1125,1262,340,367]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="11" pageNumber="12">Figs 40–42</figureCitation>
|
||
). Axial area very narrow, central area small, strongly silicified, round and raised above valve surface (
|
||
<figureCitation id="F8CB9293FFBEFFB8FB70FE828977FE1A" box="[1248,1386,377,403]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="11" pageNumber="12">Figs 40–42</figureCitation>
|
||
). Valvocopula with long and thin fimbriae ending by a hammer-like structure with an oblong papilla (
|
||
<figureCitation id="F8CB9293FFBEFFB8FF56FE398D03FE54" box="[198,286,450,477]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="11" pageNumber="12">Fig. 45</figureCitation>
|
||
, arrow). Between each pair of well-developed fimbriae there are short extensions that may be vestigial fimbriae (
|
||
<figureCitation id="F8CB9293FFBEFFB8FE0AFE1C8DEDFD88" box="[410,496,487,513]" captionStart="Figs 37–45" captionStartId="10.[189,241,1781,1807]" captionTargetBox="[187,1399,438,1605]" captionTargetId="figure@10.[187,1399,438,1605]" captionText="Figs 37–45. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 37–39. External RV side showing uniseriate striae on valve face and bi- to triseriate striae on valve margin, as well as variation in valve outline, arrow on Fig. 36 points to the marginal hyaline area. 40–42. Internal RV side showing submarginal rim and marginal areolae, arrow on Fig. 41 points to the folded mantle. 43. Areolae with radiate marginal perforations of the hymens (arrow). 44. Abvalvar side of the valvocopulae showing shape of fimbriae, with intervalary short fimbriae (arrow). 45. Enlarged part of the abvalvar side of the valvocopula with an oblong papillae (arrow)." httpUri="https://zenodo.org/record/2946711/files/figure.png" pageId="11" pageNumber="12">Fig. 44</figureCitation>
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, arrow).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |