119 lines
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119 lines
20 KiB
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<document id="2531C838BACF5AE1FD0BDCF9689CE571" ID-CLB-Dataset="140870" ID-DOI="10.11646/phytotaxa.561.3.5" ID-GBIF-Dataset="7a355646-ece3-4003-ac4f-fb6ac306ce7b" ID-ISSN="1179-3163" ID-Zenodo-Dep="7069917" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1662964213827" checkinUser="plazi" docAuthor="Guerrero, José M. & Vouilloud, Amelia A." docDate="2022" docId="2E1487FCF372EA3DFF01FAE5FD836CBC" docLanguage="en" docName="phytotaxa.561.3.5.pdf" docOrigin="Phytotaxa 561 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.561.3.5" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Eunotia luna var. aequalis fm. major Frenguelli" docType="treatment" docVersion="7" lastPageNumber="295" masterDocId="D22DFF84F376EA39FF89FFDDFFBA6B2E" masterDocTitle="Taxonomic revision of Eunotia luna var. aequalis f. paucistriata Frenguelli and E. luna var. aequalis f. major Frenguelli: analysis of type material, lectotypification and current taxonomic status" masterLastPageNumber="300" masterPageNumber="291" pageNumber="295" updateTime="1699378115065" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="970BAC00CC3D26EA4F5558CAC3DDAEB8">Taxonomic revision of Eunotia luna var. aequalis f. paucistriata Frenguelli and E. luna var. aequalis f. major Frenguelli: analysis of type material, lectotypification and current taxonomic status</mods:title>
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<mods:namePart id="C76AAD4714EC58EA137BA25434AC8CF6">Guerrero, José M.</mods:namePart>
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<mods:affiliation id="41E2401664D2D80D5EC151E06EB3A883">División Ficología “ Dr. Sebastián A. Guarrera ”, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n, B 1900 FWA, La Plata, Argentina. & guerrero @ fcnym. unlp. edu. ar; https: // orcid. org / 0000 - 0002 - 4733 - 2753</mods:affiliation>
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<mods:nameIdentifier id="62AD687AE059883056EB3FE9A4A42D5F" type="email">guerrero@fcnym.unlp.edu.ar</mods:nameIdentifier>
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<mods:namePart id="4B18CD37505744073AE6F7DFDC86E251">Vouilloud, Amelia A.</mods:namePart>
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<mods:affiliation id="4FBFEFD62729076187930B482E554F2C">División Ficología “ Dr. Sebastián A. Guarrera ”, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n, B 1900 FWA, La Plata, Argentina. & avouilloud @ fcnym. unlp. edu. ar; https: // orcid. org / 0000 - 0002 - 9709 - 5127</mods:affiliation>
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<mods:title id="F2DCA4A31A6356BA4607B3214BF7F4C1">Phytotaxa</mods:title>
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<mods:date id="C4971A9AA661A2BF6146BFB4C79841EC">2022</mods:date>
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<treatment id="2E1487FCF372EA3DFF01FAE5FD836CBC" ID-DOI="http://doi.org/10.5281/zenodo.7075177" ID-GBIF-Taxon="200132459" ID-Zenodo-Dep="7075177" LSID="urn:lsid:plazi:treatment:2E1487FCF372EA3DFF01FAE5FD836CBC" httpUri="http://treatment.plazi.org/id/2E1487FCF372EA3DFF01FAE5FD836CBC" lastPageNumber="295" pageId="4" pageNumber="295">
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<paragraph id="A60236EAF372EA3DFF01FAE5FC866E7C" blockId="4.[136,828,1336,1363]" box="[136,828,1336,1363]" pageId="4" pageNumber="295">
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<heading id="FD4A8186F372EA3DFF01FAE5FC866E7C" bold="true" box="[136,828,1336,1363]" fontSize="11" level="1" pageId="4" pageNumber="295" reason="1">
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<emphasis id="94C9EAF8F372EA3DFF01FAE5FC866E7C" bold="true" box="[136,828,1336,1363]" pageId="4" pageNumber="295">
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<taxonomicName id="61BD4D69F372EA3DFF01FAE5FD196E7C" authority="Frenguelli" authorityName="Frenguelli" box="[136,675,1336,1363]" class="Bacillariophyceae" family="Eunotiaceae" form="major" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="4" pageNumber="295" phylum="Bacillariophyta" rank="form" species="luna" variety="aequalis">
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<emphasis id="94C9EAF8F372EA3DFF01FAE5FE9B6E7D" bold="true" box="[136,289,1336,1363]" italics="true" pageId="4" pageNumber="295">Eunotia luna</emphasis>
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var.
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<emphasis id="94C9EAF8F372EA3DFED6FAE5FE056E7D" bold="true" box="[351,447,1336,1363]" italics="true" pageId="4" pageNumber="295">aequalis</emphasis>
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f.
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<emphasis id="94C9EAF8F372EA3DFE57FAE5FD986E7C" bold="true" box="[478,546,1336,1362]" italics="true" pageId="4" pageNumber="295">major</emphasis>
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Frenguelli
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</taxonomicName>
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(
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<figureCitation id="3E862A6FF372EA3DFD3BFAE5FC896E7C" box="[690,819,1336,1363]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Figs 27–36</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="EEA76561F372EA3DFF01FA5DFD836CBC" pageId="4" pageNumber="295" type="description">
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<paragraph id="A60236EAF372EA3DFF01FA5DFE2A6D94" blockId="4.[136,1452,1408,1939]" pageId="4" pageNumber="295">
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According to the original description (
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<bibRefCitation id="C22C4B1BF372EA3DFDA7FA5DFD596EB4" author="Frenguelli, J." box="[558,739,1408,1434]" pageId="4" pageNumber="295" pagination="365 - 475" refId="ref6221" refString="Frenguelli, J. (1933) Contribuciones al conocimiento de las diatomeas Argentinas. VII. Diatomeas de la region de los Esteros del Ybera (en la Provincia de Corrientes). Anales del Museo Nacional de Historia Natural 37: 365 - 475." type="journal article" year="1933">Frenguelli 1933</bibRefCitation>
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),
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<taxonomicName id="61BD4D69F372EA3DFD7FFA5CFB826EB4" box="[758,1080,1408,1435]" class="Bacillariophyceae" family="Eunotiaceae" form="major" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="4" pageNumber="295" phylum="Bacillariophyta" rank="form" species="luna" variety="aequalis">
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<emphasis id="94C9EAF8F372EA3DFD7FFA5CFCFC6EB4" box="[758,838,1408,1434]" italics="true" pageId="4" pageNumber="295">E. luna</emphasis>
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var.
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<emphasis id="94C9EAF8F372EA3DFCF2FA5DFC606EB4" box="[891,986,1408,1434]" italics="true" pageId="4" pageNumber="295">aequalis</emphasis>
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f.
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<emphasis id="94C9EAF8F372EA3DFC7CFA5CFB826EB4" box="[1013,1080,1409,1434]" italics="true" pageId="4" pageNumber="295">major</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName id="61BD4D69F372EA3DFB41FA5CFA116EB4" authorityName="Hustedt sensu Frenguelli. Original" authorityYear="1933" box="[1224,1451,1408,1435]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="4" pageNumber="295" phylum="Bacillariophyta" rank="variety" species="luna" variety="aequalis">
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<emphasis id="94C9EAF8F372EA3DFB41FA5CFAA26EB4" box="[1224,1304,1408,1434]" italics="true" pageId="4" pageNumber="295">E. luna</emphasis>
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var.
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<emphasis id="94C9EAF8F372EA3DFAC5FA5DFA116EB4" box="[1356,1451,1408,1434]" italics="true" pageId="4" pageNumber="295">aequalis</emphasis>
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</taxonomicName>
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by its longer valves, with striae somewhat irregularly distributed. The valve illustrated by the author (here reproduced in
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<figureCitation id="3E862A6FF372EA3DFF2FFA15FF4D6ECC" box="[166,247,1480,1506]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Fig. 27</figureCitation>
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) is elongated, with parallel margins and broadly cuneate, ventrally deflected apices. Striae are parallel and become more densely spaced at the apices, where they flank the terminal nodule (see
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<tableCitation id="EB3F0351F372EA3DFBCCFA31FB226D28" box="[1093,1176,1516,1542]" captionStart="TABLE 1" captionStartId="4.[136,224,484,508]" captionTargetPageId="4" captionText="TABLE 1. Main morphometric parameters of the infraspecific taxa of Eunotia luna reported by Frenguelli (1933) for Esteros del Iberá. Comparison of measurements in the present study with those of the original descriptions and a close related" httpUri="http://table.plazi.org/id/F2C26662F372EA3DFF01FE39FC71696A" pageId="4" pageNumber="295" tableUuid="F2C26662F372EA3DFF01FE39FC71696A">Table 1</tableCitation>
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for morphometric data). The specimens from the original material observed with LM (
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<figureCitation id="3E862A6FF372EA3DFCBAF9CDFC096D04" box="[819,947,1552,1578]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Figs 28–33</figureCitation>
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) fit rather well the original description of this form, although valve dimensions are lower than those reported by the author whereas stria densities are higher than originally reported, this difference being more marked for mid valve striae (
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<tableCitation id="EB3F0351F372EA3DFC64F985FBF96D5C" box="[1005,1091,1624,1650]" captionStart="TABLE 1" captionStartId="4.[136,224,484,508]" captionTargetPageId="4" captionText="TABLE 1. Main morphometric parameters of the infraspecific taxa of Eunotia luna reported by Frenguelli (1933) for Esteros del Iberá. Comparison of measurements in the present study with those of the original descriptions and a close related" httpUri="http://table.plazi.org/id/F2C26662F372EA3DFF01FE39FC71696A" pageId="4" pageNumber="295" tableUuid="F2C26662F372EA3DFF01FE39FC71696A">Table 1</tableCitation>
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). Additionally, most specimens exhibit short dorsal striae variably extending onto the valve face (
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<figureCitation id="3E862A6FF372EA3DFCEEF9A1FBD26DB8" box="[871,1128,1660,1686]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Figs 28, 30–31, 33–34</figureCitation>
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), which were not depicted in the original illustration.
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</paragraph>
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<paragraph id="A60236EAF372EA3DFF34F919FD836CBC" blockId="4.[136,1452,1408,1939]" pageId="4" pageNumber="295">
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Under SEM (
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<figureCitation id="3E862A6FF372EA3DFEDFF919FE626DF0" box="[342,472,1732,1758]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Figs 34–36</figureCitation>
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) we only found one valve of this form, in internal view and slightly tilted positioned, with the closed valvocopula attached. Internal areola openings are round and are located in narrow troughs (
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<figureCitation id="3E862A6FF372EA3DFAC3F935FA246C2D" box="[1354,1438,1768,1795]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Fig. 35</figureCitation>
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). Due to the presence of detrital material that partially covers the valve, no details are visible regarding the internal raphe fissure and the presence of rimoportulae. The portion of the mantle visible shows the filiform raphe with its simple proximal end (
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<figureCitation id="3E862A6FF372EA3DFEA3F889FEC76C40" box="[298,381,1876,1902]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Fig. 36</figureCitation>
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). The areolation pattern between the raphe and the valve margin is denser and more disorganized than in the rest of the mantle (
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<figureCitation id="3E862A6FF372EA3DFE51F8A5FD966CBC" box="[472,556,1912,1938]" captionStart="FIGURES 27–36" captionStartId="5.[136,243,1350,1372]" captionTargetBox="[159,1417,236,1290]" captionTargetId="figure-17@5.[151,1435,236,1295]" captionTargetPageId="5" captionText="FIGURES 27–36. Eunotia luna var. aequalis f. major Frenguelli. 27. Original drawing of Frenguelli. 28–33. LM. Size diminution series. 34–36. SEM. Internal views. 34. General view of a tilted valve. 35. Detail of valve center showing the arrangement of striae. 36. Detail of the valve apex showing mantle areolation pattern in external view; note the raphe on the mantle in external view. 28–29. Specimen from Series 264. 30–36. Specimens from Series 265. 32. Lectotype of E. luna var. aequalis f. major. Scale bar = 10 µm (Figs 27–34), 5 µm (Figs 35–36)." figureDoi="http://doi.org/10.5281/zenodo.7069927" httpUri="https://zenodo.org/record/7069927/files/figure.png" pageId="4" pageNumber="295">Fig. 36</figureCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |