194 lines
25 KiB
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194 lines
25 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.187.73338" ID-GBIF-Dataset="4cbda95a-5b4a-45e9-b53a-9b90db01ee17" ID-PMC="PMC8688410" ID-Pensoft-Pub="1314-2003-187-23" ID-Pensoft-UUID="6AF5EAA0500558E5838FD916171188B8" ID-PubMed="35002365" ModsDocID="1314-2003-187-23" checkinTime="1639455686940" checkinUser="pensoft" docAuthor="Morales, Eduardo A., Wetzel, Carlos E. & Ector, Luc" docDate="2021" docId="DE5D8FDEE1005905B1C31C0AB9906AD5" docLanguage="en" docName="PhytoKeys 187: 23-70" docOrigin="PhytoKeys 187" docPubDate="2021-12-13" docSource="http://dx.doi.org/10.3897/phytokeys.187.73338" docTitle="Pseudostaurosira oblonga E. Morales, C. E. Wetzel & Ector 2021, sp. nov." docType="treatment" docVersion="4" id="6AF5EAA0500558E5838FD916171188B8" lastPageNumber="23" masterDocId="6AF5EAA0500558E5838FD916171188B8" masterDocTitle="New and poorly known " araphid " diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in " araphid " diatom taxonomy" masterLastPageNumber="70" masterPageNumber="23" pageNumber="23" updateTime="1668140567392" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>New and poorly known " araphid " diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in " araphid " diatom taxonomy</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Morales, Eduardo A.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5998-4831</mods:nameIdentifier>
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<mods:affiliation>Water Laboratory, University of Evora, P. I. T. E. Rua da Barba Rala No. 1, 7005 - 345 Evora, Portugal & Institute of Earth Sciences - ICT, University of Evora, Rua Romao Ramalho n °. 59, 7000 - 671 Evora, Portugal</mods:affiliation>
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<mods:nameIdentifier type="email">edu_mora123@outlook.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wetzel, Carlos E.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5330-0494</mods:nameIdentifier>
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<mods:affiliation>Observatory for Climate, Environment and Biodiversity (OCEB), Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, 4422 Belvaux, Luxembourg</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Ector, Luc</mods:namePart>
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<mods:affiliation>Observatory for Climate, Environment and Biodiversity (OCEB), Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, 4422 Belvaux, Luxembourg</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-12-13</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>187</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>23</mods:start>
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<mods:end>70</mods:end>
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</mods:extent>
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</mods:part>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.187.73338</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.187.73338</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-187-23</mods:identifier>
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<mods:identifier type="Pensoft-UUID">6AF5EAA0500558E5838FD916171188B8</mods:identifier>
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<subSection pageId="0" pageNumber="23" type="results">
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<treatment ID-GBIF-Taxon="191535333" LSID="urn:lsid:plazi:treatment:DE5D8FDEE1005905B1C31C0AB9906AD5" httpUri="http://treatment.plazi.org/id/DE5D8FDEE1005905B1C31C0AB9906AD5" lastPageNumber="23" pageId="0" pageNumber="23">
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<subSubSection pageId="0" pageNumber="23" type="nomenclature">
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<paragraph pageId="0" pageNumber="23">
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<taxonomicName LSID="DE5D8FDE-E100-5905-B1C3-1C0AB9906AD5" authority="E. Morales, C. E. Wetzel & Ector" authorityName="E. Morales, C. E. Wetzel & Ector" authorityYear="2021" class="Fragilariophyceae" family="Staurosiraceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pseudostaurosira oblonga" order="Fragilariales" pageId="0" pageNumber="23" phylum="Bacillariophyta" rank="species" species="oblonga" status="sp. nov.">Pseudostaurosira oblonga E. Morales, C.E. Wetzel & Ector</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="23">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="description">
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<paragraph pageId="0" pageNumber="23">
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-V LM images of little known and new " araphid " diatoms from the Bolivian Altiplano A-D Pseudostaurosira vulpina stat. nov. E-I P. frankenae sp. nov. (Fig. 6 E is the holotype) J-O P. occulta sp. nov. (Fig. 6 K corresponds to the holotype) P-V P. oblonga sp. nov. (Fig. 6 R corresponds to the holotype). Scale bar: 10 µm." figureDoi="10.3897/phytokeys.187.73338.figure6" httpUri="https://binary.pensoft.net/fig/622443" pageId="0" pageNumber="23">Figs 6P-V (LM), 10A-F (SEM)</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="holotype">
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<paragraph pageId="0" pageNumber="23">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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Slide BR-4680, Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-V LM images of little known and new " araphid " diatoms from the Bolivian Altiplano A-D Pseudostaurosira vulpina stat. nov. E-I P. frankenae sp. nov. (Fig. 6 E is the holotype) J-O P. occulta sp. nov. (Fig. 6 K corresponds to the holotype) P-V P. oblonga sp. nov. (Fig. 6 R corresponds to the holotype). Scale bar: 10 µm." figureDoi="10.3897/phytokeys.187.73338.figure6" httpUri="https://binary.pensoft.net/fig/622443" pageId="0" pageNumber="23">6R</figureCitation>
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, Meise Botanic Garden, Belgium.
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<emphasis bold="true" pageId="0" pageNumber="23">Isotype.</emphasis>
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Slide DBOL-0249a, Diatomotheca Boliviensis (before HCUCB), Cochabamba, Bolivia.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="type locality">
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<paragraph pageId="0" pageNumber="23">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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Bolivia. Sajama Province, Department of Oruro, Sajama River, epipsammon,
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<geoCoordinate degrees="17" direction="south" minutes="30" orientation="latitude" precision="15" seconds="33" value="-17.509167">17°30'33"S</geoCoordinate>
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;
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<geoCoordinate degrees="68" direction="west" minutes="20" orientation="longitude" precision="15" seconds="35" value="-68.343056">68°20'35"W</geoCoordinate>
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, 4000 m elev.,
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<emphasis italics="true" pageId="0" pageNumber="23">leg.</emphasis>
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G.
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<normalizedToken originalValue="Chávez">Chavez</normalizedToken>
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, 05.07.2009.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="description">
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<paragraph pageId="0" pageNumber="23">Description.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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Frustules rectangular in girdle view, joined together by interlocking spines. Valves oblong, isopolar, with abrupt transition from valve face to mantle and broadly rounded apices (Figs
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-V LM images of little known and new " araphid " diatoms from the Bolivian Altiplano A-D Pseudostaurosira vulpina stat. nov. E-I P. frankenae sp. nov. (Fig. 6 E is the holotype) J-O P. occulta sp. nov. (Fig. 6 K corresponds to the holotype) P-V P. oblonga sp. nov. (Fig. 6 R corresponds to the holotype). Scale bar: 10 µm." figureDoi="10.3897/phytokeys.187.73338.figure6" httpUri="https://binary.pensoft.net/fig/622443" pageId="0" pageNumber="23">6P-V</figureCitation>
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,
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A-F</figureCitation>
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). Axial area lanceolate (Figs
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-V LM images of little known and new " araphid " diatoms from the Bolivian Altiplano A-D Pseudostaurosira vulpina stat. nov. E-I P. frankenae sp. nov. (Fig. 6 E is the holotype) J-O P. occulta sp. nov. (Fig. 6 K corresponds to the holotype) P-V P. oblonga sp. nov. (Fig. 6 R corresponds to the holotype). Scale bar: 10 µm." figureDoi="10.3897/phytokeys.187.73338.figure6" httpUri="https://binary.pensoft.net/fig/622443" pageId="0" pageNumber="23">6P-V</figureCitation>
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), externally and internally depressed with respect to virgae (Figs
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A-F</figureCitation>
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). Vimines short and wide (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A-F</figureCitation>
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). Striae composed of round to elliptic areolae, decreasing in size towards the axial area (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, B</figureCitation>
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); wide trapezoid areolae present near the valve face/mantle transition at the base of the spine, sometimes accompanied by an additional narrower, round areola on valve mantle (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A-F</figureCitation>
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). Striae contained in a single depression in internal view (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10C, E</figureCitation>
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). Developed volae, arising from the areolar inner periphery and projecting inwards (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, C, E</figureCitation>
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). Flaps little-developed on valve face, developed on valve mantle, more commonly on larger mantle areolae (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, F</figureCitation>
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). Spines originating from vimines at the valve face/mantle junction; solid, with elliptic base (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10F</figureCitation>
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), as wide as the vimines they sit on (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, B, F</figureCitation>
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); with a somewhat cylindrical body, concave sides, in the shape of a trapezium in side view (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10D, F</figureCitation>
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), and widely spatulate tip with wide lateral projections (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10F</figureCitation>
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). Stipules incipient or absent (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, D, F</figureCitation>
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). Apical pore fields reduced, covered by small external flaps (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, B, F</figureCitation>
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). Internally, apical pore field opening by means of a few very narrow, round poroids (Figs
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10C</figureCitation>
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). Small blister-like depositions present on abvalvar edge of mantle, absent from apices (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10A, D, F</figureCitation>
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). Girdle elements variable in number, open, lacking pores, ligulated, with larger valvocopula (Fig.
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. A-F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D)." figureDoi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23">10D, F</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/phytokeys.187.73338.figure10" httpUri="https://binary.pensoft.net/fig/622447" pageId="0" pageNumber="23" start="Figure 10" startId="F10">
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<paragraph pageId="0" pageNumber="23">
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<emphasis bold="true" pageId="0" pageNumber="23">Figure 10.</emphasis>
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<emphasis bold="true" pageId="0" pageNumber="23">A-F</emphasis>
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SEM images of
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<taxonomicName authorityName="E. Morales, C. E. Wetzel & Ector" authorityYear="2021" class="Fragilariophyceae" family="Fragilariaceae" genus="Pseudostaurosira" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pseudostaurosira oblonga" order="Fragilariales" pageId="0" pageNumber="23" phylum="Bacillariophyta" rank="species" species="oblonga">
|
||
<emphasis italics="true" pageId="0" pageNumber="23">Pseudostaurosira oblonga</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="23">A, B</emphasis>
|
||
external views showing apical pore fields covered with small flaps (black arrow in
|
||
<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
|
||
) and other characteristics
|
||
<emphasis bold="true" pageId="0" pageNumber="23">C, E</emphasis>
|
||
internal valve features stressing on apical pore fields and striae in a depression (black arrows in
|
||
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
|
||
and dashed arrow in
|
||
<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
|
||
and
|
||
<emphasis bold="true" pageId="0" pageNumber="23">E</emphasis>
|
||
respectively)
|
||
<emphasis bold="true" pageId="0" pageNumber="23">D, F</emphasis>
|
||
titled views of valves showing girdle bands (white arrow in
|
||
<emphasis bold="true" pageId="0" pageNumber="23">F</emphasis>
|
||
) and apical pore field (black arrow in
|
||
<emphasis bold="true" pageId="0" pageNumber="23">F</emphasis>
|
||
). Scale bars: 4
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="23">B, C, E, F</emphasis>
|
||
); 5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="23">A, D</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="23">
|
||
Dimensions (n> 30): Length 6.9-13.5
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
; width 3.8-4.8
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
; striae 13-14 in 10
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="23" type="etymology">
|
||
<paragraph pageId="0" pageNumber="23">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="23">The species epithet refers to the widely ellipsoidal valve outline typical of this taxon.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="23" type="distribution">
|
||
<paragraph pageId="0" pageNumber="23">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="23">Found in the Sajama River.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |