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<document id="B78EC02E1A73E4B4578E3271972349E2" ID-CLB-Dataset="5470" ID-DOI="10.11646/phytotaxa.151.1.4" ID-GBIF-Dataset="1c6c46be-99f2-43a4-b3d1-a8101d597cd5" ID-ISSN="1179-3163" ID-Zenodo-Dep="5100602" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1626238962324" checkinUser="felipe" docAuthor="Álvarez-Blanco, Irene &amp; Blanco, Saúl" docDate="2013" docId="9C4E87F3712CFF9EFF580DD9ACF09566" docLanguage="en" docName="Phytotaxa.151.1.44-52.pdf" docOrigin="Phytotaxa 151 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.151.1.4" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Planothidium galaicum Alvarez-Blanco &amp; S. Blanco 2013, sp. nov." docType="treatment" docVersion="5" lastPageNumber="48" masterDocId="6077FF8B712DFF9AFFCF0A65A8399110" masterDocTitle="Planothidium galaicum sp. nov. (Bacillariophyta, Achnanthidiaceae), a new diatom species from Galician coast, Spain" masterLastPageNumber="52" masterPageNumber="44" pageNumber="45" updateTime="1699036709455" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="61E7B42EFBE2BFFF69432119ABF65FEC">Planothidium galaicum sp. nov. (Bacillariophyta, Achnanthidiaceae), a new diatom species from Galician coast, Spain</mods:title>
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<mods:namePart id="5EE98226B1379223568F3F7074E9D151">Álvarez-Blanco, Irene</mods:namePart>
<mods:affiliation id="952F9F528E8E82683FC1867B90DC3B09">Department of Biodiversity and Environmental Management, University of León, León, Spain</mods:affiliation>
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<mods:namePart id="3987A81222BFE62D12C40F3B39A3A924">Blanco, Saúl</mods:namePart>
<mods:affiliation id="6B6050696A722FFCF19A1B08D1C638A2">Department of Biodiversity and Environmental Management, University of León, León, Spain</mods:affiliation>
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<mods:title id="A4508BF41B3C4B424C2FAE97C9C62C8E">Phytotaxa</mods:title>
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<treatment id="9C4E87F3712CFF9EFF580DD9ACF09566" ID-DOI="http://doi.org/10.5281/zenodo.5100604" ID-GBIF-Taxon="183541077" ID-Zenodo-Dep="5100604" LSID="urn:lsid:plazi:treatment:9C4E87F3712CFF9EFF580DD9ACF09566" httpUri="http://treatment.plazi.org/id/9C4E87F3712CFF9EFF580DD9ACF09566" lastPageId="4" lastPageNumber="48" pageId="1" pageNumber="45">
<subSubSection id="5CFD656E712CFF9BFF580DD9ABC296C6" box="[151,1019,1980,2006]" pageId="1" pageNumber="45" type="nomenclature">
<paragraph id="145836E5712CFF9BFF580DD9ABC296C6" blockId="1.[151,1019,1980,2006]" box="[151,1019,1980,2006]" pageId="1" pageNumber="45">
<heading id="4F108189712CFF9BFF580DD9ABC296C6" box="[151,1019,1980,2006]" fontSize="11" level="2" pageId="1" pageNumber="45" reason="3">
<taxonomicName id="D3E74D66712CFF9BFF580DD9AB3A96C6" authority="Alvarez-Blanco &amp; S. Blanco" authorityName="Alvarez-Blanco &amp; S. Blanco" authorityYear="2013" box="[151,771,1980,2006]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="1" pageNumber="45" phylum="Bacillariophyta" rank="species" species="galaicum" status="sp. nov.">
<emphasis id="2693EAF7712CFF9BFF580DD9A98996C6" bold="true" box="[151,432,1980,2006]" italics="true" pageId="1" pageNumber="45">Planothidium galaicum</emphasis>
Álvarez-Blanco &amp; S. Blanco
</taxonomicName>
,
<emphasis id="2693EAF7712CFF9BFCC00DD8AB5196C6" box="[783,872,1981,2006]" italics="true" pageId="1" pageNumber="45">
<taxonomicNameLabel id="3DA0578C712CFF9BFCC00DD8AB5196C6" box="[783,872,1981,2006]" pageId="1" pageNumber="45" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="8CDC2A60712CFF9BFCB80DD9ABCA96C6" box="[887,1011,1980,2006]" captionStart-0="FIGURES 2–22" captionStart-1="FIGURES 23–25" captionStartId-0="2.[151,258,1775,1797]" captionStartId-1="3.[151,258,1951,1973]" captionTargetBox-0="[257,1331,194,1754]" captionTargetBox-1="[201,1386,191,1930]" captionTargetId-0="figure-123@2.[256,1331,194,1754]" captionTargetId-1="figure-79@3.[201,1387,191,1930]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionText-0="FIGURES 2–22. Planothidium galaicum. Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22)." captionText-1="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi-0="http://doi.org/10.5281/zenodo.5100608" figureDoi-1="http://doi.org/10.5281/zenodo.5100610" httpUri-0="https://zenodo.org/record/5100608/files/figure.png" httpUri-1="https://zenodo.org/record/5100610/files/figure.png" pageId="1" pageNumber="45">Figs. 2–25</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<caption id="4098666D712FFF98FF580C8AAB9A966A" ID-DOI="http://doi.org/10.5281/zenodo.5100608" ID-Zenodo-Dep="5100608" httpUri="https://zenodo.org/record/5100608/files/figure.png" pageId="2" pageNumber="46" startId="2.[151,258,1775,1797]" targetBox="[257,1331,194,1754]" targetPageId="2">
<paragraph id="145836E5712FFF98FF580C8AAB9A966A" blockId="2.[151,1437,1775,1914]" pageId="2" pageNumber="46">
<emphasis id="2693EAF7712FFF98FF580C8AA9079615" bold="true" box="[151,318,1775,1797]" pageId="2" pageNumber="46">FIGURES 2–22.</emphasis>
<emphasis id="2693EAF7712FFF98FE8A0C95AA169615" box="[325,559,1776,1797]" italics="true" pageId="2" pageNumber="46">
<taxonomicName id="D3E74D66712FFF98FE8A0C95AA129615" authorityName="Alvarez-Blanco &amp; S. Blanco" authorityYear="2013" box="[325,555,1776,1797]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="2" pageNumber="46" phylum="Bacillariophyta" rank="species" species="galaicum">Planothidium galaicum</taxonomicName>
.
</emphasis>
Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22).
</paragraph>
</caption>
<caption id="4098666D712EFF99FF580DFAABD396FF" ID-DOI="http://doi.org/10.5281/zenodo.5100610" ID-Zenodo-Dep="5100610" httpUri="https://zenodo.org/record/5100610/files/figure.png" pageId="3" pageNumber="47" startId="3.[151,258,1951,1973]" targetBox="[201,1386,191,1930]" targetPageId="3">
<paragraph id="145836E5712EFF99FF580DFAABD396FF" blockId="3.[151,1437,1951,2031]" pageId="3" pageNumber="47">
<emphasis id="2693EAF7712EFF99FF580DFAA97096A5" bold="true" box="[151,329,1951,1973]" pageId="3" pageNumber="47">FIGURES 23–25.</emphasis>
<emphasis id="2693EAF7712EFF99FE810DFAAA0E96A4" box="[334,567,1951,1972]" italics="true" pageId="3" pageNumber="47">
<taxonomicName id="D3E74D66712EFF99FE810DFAAA0D96A4" authorityName="Alvarez-Blanco &amp; S. Blanco" authorityYear="2013" box="[334,564,1951,1972]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Planothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="47" phylum="Bacillariophyta" rank="species" species="galaicum">Planothidium galaicum</taxonomicName>
.
</emphasis>
Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25).
</paragraph>
</caption>
<subSubSection id="5CFD656E7129FF9EFF580AFDACF09566" pageId="4" pageNumber="48" type="materials_examined">
<paragraph id="145836E57129FF9EFF580AFDAD3491BF" blockId="4.[151,1436,152,527]" box="[151,1293,152,175]" pageId="4" pageNumber="48">
<materialsCitation id="A48F3CB87129FF9EFF580AFDAD3391BF" ID-GBIF-Occurrence="3321654301" box="[151,1290,152,175]" collectingDate="2011-07-01" collectionCode="LEB" collectorName="S. Blanco" country="Spain" latitude="43.11323" location="Type" longLatPrecision="1" longitude="-9.219713" municipality="Muxia" pageId="4" pageNumber="48" specimenCount="1" typeStatus="holotype">
<location id="1138603E7129FF9EFF580AFDA8F791BF" LSID="urn:lsid:plazi:treatment:9C4E87F3712CFF9EFF580DD9ACF09566:1138603E7129FF9EFF580AFDA8F791BF" box="[151,206,152,175]" country="Spain" latitude="43.11323" longLatPrecision="1" longitude="-9.219713" municipality="Muxia" name="Type" pageId="4" pageNumber="48">Type</location>
:—
<collectingCountry id="6CF076757129FF9EFF220AFDA90591BF" box="[237,316,152,175]" name="Spain" pageId="4" pageNumber="48">SPAIN</collectingCountry>
.
<collectingMunicipality id="F43CAC9F7129FF9EFE890AFDA9B291BF" box="[326,395,152,175]" pageId="4" pageNumber="48">Muxía</collectingMunicipality>
coast (
<geoCoordinate id="71D350227129FF9EFE180AFDAAB891BF" box="[471,641,152,175]" degrees="43" direction="north" minutes="6" orientation="latitude" pageId="4" pageNumber="48" precision="1" seconds="47.64" value="43.11323">43° 6' 47.64&quot; N</geoCoordinate>
,
<geoCoordinate id="71D350227129FF9EFD440AFDAB0391BF" box="[651,826,152,175]" degrees="9" direction="west" minutes="13" orientation="longitude" pageId="4" pageNumber="48" precision="1" seconds="10.97" value="-9.219713">9° 13' 10.97&quot; W</geoCoordinate>
).
<emphasis id="2693EAF77129FF9EFC830AFDAC1991BF" box="[844,1056,152,175]" italics="true" pageId="4" pageNumber="48">
<collectorName id="B91253337129FF9EFC830AFDAB8C91BF" box="[844,949,152,175]" pageId="4" pageNumber="48">S. Blanco</collectorName>
,
<date id="605910257129FF9EFC0F0AFDAC1991BF" box="[960,1056,152,175]" pageId="4" pageNumber="48" value="2011-07-01">
<collectingDate id="701DE9CD7129FF9EFC0F0AFDAC1991BF" box="[960,1056,152,175]" pageId="4" pageNumber="48" value="2011-07-01">1-7-2011</collectingDate>
</date>
</emphasis>
(
<typeStatus id="CB5C88477129FF9EFBE10AFDACB491BF" box="[1070,1165,152,175]" pageId="4" pageNumber="48" type="holotype">holotype</typeStatus>
<collectionCode id="72F6AE207129FF9EFB5B0AFDACF591BF" box="[1172,1228,152,175]" country="Latvia" httpUri="http://grbio.org/cool/hjyv-p9y3" name="Entomological Society of Latvia" pageId="4" pageNumber="48">LEB</collectionCode>
! 024)
</materialsCitation>
.
</paragraph>
<paragraph id="145836E57129FF9EFF580ADDAB7D931F" blockId="4.[151,1436,152,527]" pageId="4" pageNumber="48">
<emphasis id="2693EAF77129FF9EFF580ADDAB7D931F" italics="true" pageId="4" pageNumber="48">
Frustula aspectu cinguli rectangularia modice transapicaliter deflexa. Valvae lanceolatae vel rhombico-lanceolatae apicibus protractis rotundatis obtusatis quoad specimina minora,
<quantity id="D31F9B007129FF9EFC020ABDAC6491FF" box="[973,1117,216,239]" metricMagnitude="-2" metricUnit="m" metricValue="1.2399999999999998" metricValueMax="1.56" metricValueMin="0.9199999999999999" pageId="4" pageNumber="48" unit="mm" value="12.399999999999999" valueMax="15.6" valueMin="9.2">9.2−15.6 µm</quantity>
longae, 4.7−6.0 µm latae. Raphovalva: area axialis angusta linearis, area centralis modice expansis transapicaliter vel absentis. Raphe recta filiformis poribus centralis externe dilatatis triangularis, fissuris terminalis deflexis. Interne raphosternum leviter elevatum extremis centralibus raphis deflexis ad directiones oppositas, extremis ditalibus in helictoglossis inconspicuis terminantes. Striae transapicales 4−5 seriebus rotundarum parvarum areolarum per interne elevatas interstrias separatae,
<quantity id="D31F9B007129FF9EFE7D0B1DAA28909F" box="[434,529,376,399]" metricMagnitude="-1" metricUnit="m" metricValue="4.064" metricValueMax="4.572" metricValueMin="3.556" pageId="4" pageNumber="48" unit="in" value="16.0" valueMax="18.0" valueMin="14.0">14−18 in</quantity>
<quantity id="D31F9B007129FF9EFDD70B1DAA67909F" box="[536,606,376,399]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="48" unit="mm" value="10.0">10 µm</quantity>
. Striae fortiter radiatae, stria media abbreviata. Areolae non discernandae in microscopio photonico. Areovalva: sternum angustum lineare leviter depressum. Area centralis nulla. Striae transapicales multiseriatae parallelae in media parte sed radiatae ad apices,
<quantity id="D31F9B007129FF9EFBD20BDDAC4690DF" box="[1053,1151,440,463]" metricMagnitude="-1" metricUnit="m" metricValue="4.572" metricValueMax="5.08" metricValueMin="4.064" pageId="4" pageNumber="48" unit="in" value="18.0" valueMax="20.0" valueMin="16.0">16−20 in</quantity>
<quantity id="D31F9B007129FF9EFB470BDDACE990DF" box="[1160,1232,440,463]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="48" unit="mm" value="10.0">10 µm</quantity>
. Striae interne per costas separate. Interstriae externe inconspicuae per series rotundis spinulis plerumque substitutae, spinulae maximae affinis margini valvae. Areolae non discernandae.
</emphasis>
</paragraph>
<paragraph id="145836E57129FF9EFF58085BAA62955F" blockId="4.[151,1436,574,1142]" pageId="4" pageNumber="48">
Frustules rectangular in girdle view, slightly bent about transapical axis. Valves lanceolate to rhombiclanceolate with protracted, rounded apices which tend to be blunt in small individuals,
<quantity id="D31F9B007129FF9EFB5E0800AD1C936F" box="[1169,1317,613,639]" metricMagnitude="-2" metricUnit="m" metricValue="1.2399999999999998" metricValueMax="1.56" metricValueMin="0.9199999999999999" pageId="4" pageNumber="48" unit="mm" value="12.399999999999999" valueMax="15.6" valueMin="9.2">9.2–15.6 µm</quantity>
in length, 4.7–6.0 µm in breadth (26 valves measured). Raphe valve (
<collectionCode id="72F6AE207129FF9EFC9F08E9AB4193B6" box="[848,888,652,678]" country="Italy" name="Collection of Leptospira Strains" pageId="4" pageNumber="48">RV</collectionCode>
,
<figureCitation id="8CDC2A607129FF9EFC4A08E9AC6193B6" box="[901,1112,652,678]" captionStart="FIGURES 2–22" captionStartId="2.[151,258,1775,1797]" captionTargetBox="[257,1331,194,1754]" captionTargetId="figure-123@2.[256,1331,194,1754]" captionTargetPageId="2" captionText="FIGURES 2–22. Planothidium galaicum. Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22)." figureDoi="http://doi.org/10.5281/zenodo.5100608" httpUri="https://zenodo.org/record/5100608/files/figure.png" pageId="4" pageNumber="48">Figs. 8–12, 14–18</figureCitation>
,
<figureCitation id="8CDC2A607129FF9EFBAA08E9AC8D93B6" box="[1125,1204,652,678]" captionStart="FIGURES 23–25" captionStartId="3.[151,258,1951,1973]" captionTargetBox="[201,1386,191,1930]" captionTargetId="figure-79@3.[201,1387,191,1930]" captionTargetPageId="3" captionText="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi="http://doi.org/10.5281/zenodo.5100610" httpUri="https://zenodo.org/record/5100610/files/figure.png" pageId="4" pageNumber="48">24, 25</figureCitation>
): axial area narrow, linear; central area slightly transapically expanded or lacking. Raphe straight, filiform, with external central pores enlarged, triangular in shape and deflected terminal fissures (
<figureCitation id="8CDC2A607129FF9EFC7708BCAC2B93E3" box="[952,1042,729,755]" captionStart="FIGURES 23–25" captionStartId="3.[151,258,1951,1973]" captionTargetBox="[201,1386,191,1930]" captionTargetId="figure-79@3.[201,1387,191,1930]" captionTargetPageId="3" captionText="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi="http://doi.org/10.5281/zenodo.5100610" httpUri="https://zenodo.org/record/5100610/files/figure.png" pageId="4" pageNumber="48">Fig. 25</figureCitation>
). Internally, the raphe-sternum is slightly elevated with the central raphe endings bent in opposite sides and the distal raphe endings terminate in a small helictoglossa (
<figureCitation id="8CDC2A607129FF9EFE520943A9CC9250" box="[413,501,806,832]" captionStart="FIGURES 23–25" captionStartId="3.[151,258,1951,1973]" captionTargetBox="[201,1386,191,1930]" captionTargetId="figure-79@3.[201,1387,191,1930]" captionTargetPageId="3" captionText="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi="http://doi.org/10.5281/zenodo.5100610" httpUri="https://zenodo.org/record/5100610/files/figure.png" pageId="4" pageNumber="48">Fig. 24</figureCitation>
). Transapical striae composed of 4–5 rows of small, rounded areolae, internally separated by raised interstriae (
<figureCitation id="8CDC2A607129FF9EFDDF0928AA539277" box="[528,618,845,871]" captionStart="FIGURES 23–25" captionStartId="3.[151,258,1951,1973]" captionTargetBox="[201,1386,191,1930]" captionTargetId="figure-79@3.[201,1387,191,1930]" captionTargetPageId="3" captionText="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi="http://doi.org/10.5281/zenodo.5100610" httpUri="https://zenodo.org/record/5100610/files/figure.png" pageId="4" pageNumber="48">Fig. 24</figureCitation>
),
<quantity id="D31F9B007129FF9EFD4E0928AAD19277" box="[641,744,845,871]" metricMagnitude="-1" metricUnit="m" metricValue="4.064" metricValueMax="4.572" metricValueMin="3.556" pageId="4" pageNumber="48" unit="in" value="16.0" valueMax="18.0" valueMin="14.0">14–18 in</quantity>
<quantity id="D31F9B007129FF9EFD3E0928AB7B9277" box="[753,834,845,871]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="48" unit="mm" value="10.0">10 µm</quantity>
. Striae strongly radiate, with one shorter striae on each side of the central region. Areolae not resolvable in LM. Rapheless valve (
<collectionCode id="72F6AE207129FF9EFBBA0911AC88929E" box="[1141,1201,884,910]" pageId="4" pageNumber="48">RLV</collectionCode>
,
<figureCitation id="8CDC2A607129FF9EFB710911ADB7929E" box="[1214,1422,884,910]" captionStart-0="FIGURES 2–22" captionStart-1="FIGURES 23–25" captionStartId-0="2.[151,258,1775,1797]" captionStartId-1="3.[151,258,1951,1973]" captionTargetBox-0="[257,1331,194,1754]" captionTargetBox-1="[201,1386,191,1930]" captionTargetId-0="figure-123@2.[256,1331,194,1754]" captionTargetId-1="figure-79@3.[201,1387,191,1930]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionText-0="FIGURES 2–22. Planothidium galaicum. Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22)." captionText-1="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi-0="http://doi.org/10.5281/zenodo.5100608" figureDoi-1="http://doi.org/10.5281/zenodo.5100610" httpUri-0="https://zenodo.org/record/5100608/files/figure.png" httpUri-1="https://zenodo.org/record/5100610/files/figure.png" pageId="4" pageNumber="48">Figs. 2–6, 20–23</figureCitation>
): central sternum narrow, linear, slightly depressed. Central area absent. Transapical striae multiseriate, parallel in midvalve and becoming more radiate towards the valve apices,
<quantity id="D31F9B007129FF9EFC6E09A4AC3C92CB" box="[929,1029,961,987]" metricMagnitude="-1" metricUnit="m" metricValue="4.572" metricValueMax="5.08" metricValueMin="4.064" pageId="4" pageNumber="48" unit="in" value="18.0" valueMax="20.0" valueMin="16.0">16–20 in</quantity>
<quantity id="D31F9B007129FF9EFBC209A4AC6592CB" box="[1037,1116,961,987]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="48" unit="mm" value="10.0">10 µm</quantity>
. Internally, striae separated by ribs (
<figureCitation id="8CDC2A607129FF9EFF38098DA9779512" box="[247,334,1000,1026]" captionStart="FIGURES 2–22" captionStartId="2.[151,258,1775,1797]" captionTargetBox="[257,1331,194,1754]" captionTargetId="figure-123@2.[256,1331,194,1754]" captionTargetPageId="2" captionText="FIGURES 2–22. Planothidium galaicum. Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22)." figureDoi="http://doi.org/10.5281/zenodo.5100608" httpUri="https://zenodo.org/record/5100608/files/figure.png" pageId="4" pageNumber="48">Fig. 20</figureCitation>
). External interstriae inconspicuous or absent, in its place, rows of small and rounded spinules appear in most individuals,
<quantity id="D31F9B007129FF9EFE130E6BAA789538" box="[476,577,1038,1064]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" metricValueMax="7.62" metricValueMin="5.08" pageId="4" pageNumber="48" unit="in" value="25.0" valueMax="30.0" valueMin="20.0">20–30 in</quantity>
<quantity id="D31F9B007129FF9EFD860E6BAAAD9538" box="[585,660,1038,1064]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="48" unit="mm" value="10.0">10 µm</quantity>
(
<figureCitation id="8CDC2A607129FF9EFD6B0E6BAB089538" box="[676,817,1038,1064]" captionStart-0="FIGURES 2–22" captionStart-1="FIGURES 23–25" captionStartId-0="2.[151,258,1775,1797]" captionStartId-1="3.[151,258,1951,1973]" captionTargetBox-0="[257,1331,194,1754]" captionTargetBox-1="[201,1386,191,1930]" captionTargetId-0="figure-123@2.[256,1331,194,1754]" captionTargetId-1="figure-79@3.[201,1387,191,1930]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionText-0="FIGURES 2–22. Planothidium galaicum. Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22)." captionText-1="FIGURES 23–25. Planothidium galaicum. Type population. SEM micrographs. Fig. 23. External view of the rapheless valve. Fig. 24. Internal view of the raphe valve showing the raised sternum and interstriae. Fig. 25. External view of a raphe valve showing de enlarged central pores and the deflected terminal fissures. Scale bar: 2 µm (Figs. 23–25)." figureDoi-0="http://doi.org/10.5281/zenodo.5100608" figureDoi-1="http://doi.org/10.5281/zenodo.5100610" httpUri-0="https://zenodo.org/record/5100608/files/figure.png" httpUri-1="https://zenodo.org/record/5100610/files/figure.png" pageId="4" pageNumber="48">Figs. 21–23</figureCitation>
). The largest spinules border the valve margin (
<figureCitation id="8CDC2A607129FF9EFAAE0E6BA8DD955F" captionStart="FIGURES 2–22" captionStartId="2.[151,258,1775,1797]" captionTargetBox="[257,1331,194,1754]" captionTargetId="figure-123@2.[256,1331,194,1754]" captionTargetPageId="2" captionText="FIGURES 2–22. Planothidium galaicum. Type population. Figs. 2–19. LM micrographs. Figs. 20–22. SEM micrographs. Figs. 2–6. Rapheless valves. Figs. 7, 13, 19. Girdle views of an entire frustule. Figs. 8–12, 14–18. Raphe valves. Fig. 20. Internal view of rapheless valve showing the raised sternum and the interstriae. Fig. 21. External view of a rapheless valve showing the spinules developed in the interstriae. Fig. 22. External detail of the apex of the rapheless valve showing the spinules, which are wider in the valve margin. Scale bar: 10 µm (Figs. 2–19), 2 µm (Figs. 20, 21), 1 µm (Fig. 22)." figureDoi="http://doi.org/10.5281/zenodo.5100608" httpUri="https://zenodo.org/record/5100608/files/figure.png" pageId="4" pageNumber="48">Figs. 21, 22</figureCitation>
). Areolae not resolvable in LM.
</paragraph>
<paragraph id="145836E57129FF9EFF090E39ACF09566" blockId="4.[151,1436,574,1142]" box="[198,1225,1116,1142]" pageId="4" pageNumber="48">
Etymology:—The epithet refers to the region where the sample was collected (
<collectingRegion id="D623F8077129FF9EFBAD0E39AC849566" box="[1122,1213,1116,1142]" country="Spain" name="Galicia" pageId="4" pageNumber="48">Galicia</collectingRegion>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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