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343 lines
56 KiB
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<document ID-DOI="10.11646/phytotaxa.593.1.1" ID-GBIF-Dataset="ef558f00-24a4-4671-bf56-df3c1d61ecd1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7875089" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="tatiana" IM.metadata_approvedBy="tatiana" IM.tables_approvedBy="tatiana" IM.taxonomicNames_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1682061103176" checkinUser="plazi" docAuthor="Jovanovska, Elena, Wilson, Mallory C., Hamilton, Paul B. & Stone, Jeffery" docDate="2023" docId="038487E2FFD82645BCF1FA51BD4475A0" docLanguage="en" docName="phytotaxa.593.1.1.pdf" docOrigin="Phytotaxa 593 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.593.1.1" docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.2:Phytotaxa.2014-.monograph" docStyleId="F08184CE06D8A97EA3E6DE35D99648B0" docStyleName="Phytotaxa.2014-.monograph" docStyleVersion="2" docTitle="Diploneis salzburgeri Jovanovska & Wilson & Hamilton & Stone 2023, sp. nov." docType="treatment" docVersion="4" lastPageNumber="8" masterDocId="FFBDFF9AFFDE2642BC79FF97B8647004" masterDocTitle="Morphological and molecular characterization of twenty-five new Diploneis species (Bacillariophyta) from Lake Tanganyika and its surrounding areas" masterLastPageNumber="102" masterPageNumber="1" pageNumber="7" updateTime="1683016984500" updateUser="tatiana">
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<mods:titleInfo>
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<mods:title>Morphological and molecular characterization of twenty-five new Diploneis species (Bacillariophyta) from Lake Tanganyika and its surrounding areas</mods:title>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Jovanovska, Elena</mods:namePart>
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<mods:affiliation>Department of Paleoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany & jovanovska. eci @ gmail. com; https: // orcid. org / 0000 - 0002 - 3413 - 3683</mods:affiliation>
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<mods:nameIdentifier type="email">jovanovska.eci@gmail.com</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Wilson, Mallory C.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-2852-125X</mods:nameIdentifier>
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<mods:affiliation>Department of Paleoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany & Indiana State University, Indiana State University, Terre Haute, IN, USA & mwilson 108 @ sycamores. indstate. edu; https: // orcid. org / 0000 - 0002 - 2852 - 125 X</mods:affiliation>
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<mods:nameIdentifier type="email">mwilson108@sycamores.indstate.edu</mods:nameIdentifier>
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<mods:namePart>Hamilton, Paul B.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-6938-6341</mods:nameIdentifier>
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<mods:affiliation>Phycology Section, Research and Collections Division, Canadian Museum of Nature, Ottawa, Canada & phamilton @ nature. ca; https: // orcid. org / 0000 - 0001 - 6938 - 6341</mods:affiliation>
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<mods:nameIdentifier type="email">phamilton@nature.ca</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Stone, Jeffery</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-1313-0643</mods:nameIdentifier>
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<mods:affiliation>Department of Paleoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany & Indiana State University, Indiana State University, Terre Haute, IN, USA & Department of Paleoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany & jeffery. stone @ indstate. edu; https: // orcid. org / 0000 - 0002 - 1313 - 0643 * Corresponding author & Department of Paleoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">jeffery.stone@indstate.edu</mods:nameIdentifier>
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<mods:title>Phytotaxa</mods:title>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:number>2023-04-21</mods:number>
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<mods:detail type="volume">
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<mods:number>593</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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<mods:start>1</mods:start>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.593.1.1</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.593.1.1</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7875091" ID-Zenodo-Dep="7875091" LSID="urn:lsid:plazi:treatment:038487E2FFD82645BCF1FA51BD4475A0" httpUri="http://treatment.plazi.org/id/038487E2FFD82645BCF1FA51BD4475A0" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
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<subSubSection box="[136,622,1478,1505]" pageId="6" pageNumber="7" type="nomenclature">
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<paragraph blockId="6.[136,1010,1478,1505]" box="[136,622,1478,1505]" pageId="6" pageNumber="7">
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<heading box="[136,622,1478,1505]" fontSize="11" level="2" pageId="6" pageNumber="7" reason="5">
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<taxonomicName authority="Jovanovska" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,530,1478,1505]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="7" phylum="Bacillariophyta" rank="species" species="salzburgeri" status="sp. nov.">
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<emphasis bold="true" box="[136,530,1478,1505]" pageId="6" pageNumber="7">
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<emphasis bold="true" box="[136,383,1478,1505]" italics="true" pageId="6" pageNumber="7">Diploneis salzburgeri</emphasis>
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Jovanovska
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</emphasis>
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</taxonomicName>
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<emphasis box="[537,622,1479,1504]" italics="true" pageId="6" pageNumber="7">
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<taxonomicNameLabel box="[537,622,1479,1504]" pageId="6" pageNumber="7" rank="species">sp. nov.</taxonomicNameLabel>
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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 lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="description">
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<paragraph blockId="6.[136,1010,1478,1505]" box="[628,1010,1478,1505]" pageId="6" pageNumber="7">
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(LM
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<figureCitation box="[686,799,1478,1505]" captionStart="FIGURES 2–11" captionStartId="8.[136,243,1955,1977]" captionTargetBox="[203,1382,194,1930]" captionTargetId="figure-23@8.[201,1383,193,1932]" captionTargetPageId="8" captionText="FIGURES 2–11. Diploneis salzburgeri sp. nov., LM valve views, Lake Tanganyika. 2, 3, 5, 6, 9. Specimens from southern parts of Lake Tanganyika, Kalambo Falls Lodge. 4. Specimen from Kalya Bay. 7. Specimen from Ndole Bay. 8. Specimen from Jakobsen Beach, near Kigoma. 10, 11. Specimens from Buhingu Island. Fig. 7. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875095" httpUri="https://zenodo.org/record/7875095/files/figure.png" pageId="6" pageNumber="7">Figs 2–11</figureCitation>
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, SEM
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<figureCitation box="[875,1001,1478,1505]" captionStart-0="FIGURES 12–17" captionStart-1="FIGURES 18–23" captionStartId-0="9.[136,243,1808,1830]" captionStartId-1="10.[136,243,1891,1913]" captionTargetBox-0="[204,1383,193,1780]" captionTargetBox-1="[151,1433,194,1865]" captionTargetId-0="figure-19@9.[203,1385,191,1781]" captionTargetId-1="figure-23@10.[150,1434,193,1867]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionText-0="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." captionText-1="FIGURES 18–23. Diploneis salzburgeri sp. nov., SEM internal valve views, Lake Tanganyika, Kiganza Bay near Gombe National Park. 18, 21. View of a whole valve. 19, 23. Distal raphe endings slightly elevated and distant from the valve apices. 20. Central area with simple and slightly elevated proximal raphe ends. 22. Close view of alveolate openings covered by thin silica layer. Scale bars = 10 μm (Figs 18, 21), 5 μm (Figs 19, 20, 22, 23)." figureDoi-0="http://doi.org/10.5281/zenodo.7875099" figureDoi-1="http://doi.org/10.5281/zenodo.7875101" httpUri-0="https://zenodo.org/record/7875099/files/figure.png" httpUri-1="https://zenodo.org/record/7875101/files/figure.png" pageId="6" pageNumber="7">Figs 12–23</figureCitation>
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)
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</paragraph>
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<paragraph blockId="6.[136,1452,1550,2081]" lastBlockId="7.[136,1452,158,1445]" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
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Valves are weakly asymmetric, broadly lanceolate to weakly rhombic-elliptic becoming circular with smaller cell size (
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<figureCitation box="[195,312,1586,1613]" captionStart="FIGURES 2–11" captionStartId="8.[136,243,1955,1977]" captionTargetBox="[203,1382,194,1930]" captionTargetId="figure-23@8.[201,1383,193,1932]" captionTargetPageId="8" captionText="FIGURES 2–11. Diploneis salzburgeri sp. nov., LM valve views, Lake Tanganyika. 2, 3, 5, 6, 9. Specimens from southern parts of Lake Tanganyika, Kalambo Falls Lodge. 4. Specimen from Kalya Bay. 7. Specimen from Ndole Bay. 8. Specimen from Jakobsen Beach, near Kigoma. 10, 11. Specimens from Buhingu Island. Fig. 7. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875095" httpUri="https://zenodo.org/record/7875095/files/figure.png" pageId="6" pageNumber="7">Figs 2–11</figureCitation>
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). Valve length is 53.5–100.5 μm and valve width is 34.5–54.5 μm. The axial area is narrow and only slightly expanded close to the central area (
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<figureCitation box="[618,701,1622,1649]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="6" pageNumber="7">Fig. 14</figureCitation>
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); patterned with irregular round ornamentations opening into small depressions that do not penetrate the silica cell wall (white arrow
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<figureCitation box="[870,953,1658,1685]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="6" pageNumber="7">Fig. 17</figureCitation>
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). The central area is longitudinally elongate, 5.5–8.5 μm wide. Externally, the longitudinal canal is broad, lanceolate to linear, slightly expanded in the middle of the valve with four (rarely five to six) rows of cribrate areolae (>20 poroids) narrowing into two to one at the valve apices (
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<figureCitation box="[144,312,1766,1793]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="6" pageNumber="7">Figs 12–14, 16</figureCitation>
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). Internally, a thick non-porous slightly raised silica plate encloses the longitudinal canals (
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<figureCitation box="[1312,1438,1766,1793]" captionStart="FIGURES 18–23" captionStartId="10.[136,243,1891,1913]" captionTargetBox="[151,1433,194,1865]" captionTargetId="figure-23@10.[150,1434,193,1867]" captionTargetPageId="10" captionText="FIGURES 18–23. Diploneis salzburgeri sp. nov., SEM internal valve views, Lake Tanganyika, Kiganza Bay near Gombe National Park. 18, 21. View of a whole valve. 19, 23. Distal raphe endings slightly elevated and distant from the valve apices. 20. Central area with simple and slightly elevated proximal raphe ends. 22. Close view of alveolate openings covered by thin silica layer. Scale bars = 10 μm (Figs 18, 21), 5 μm (Figs 19, 20, 22, 23)." figureDoi="http://doi.org/10.5281/zenodo.7875101" httpUri="https://zenodo.org/record/7875101/files/figure.png" pageId="6" pageNumber="7">Figs 18, 21</figureCitation>
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). Externally, the raphe is filiform, curved; the proximal ends are simple and weakly curved to one side, and positioned within an expanded teardrop depression (
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<figureCitation box="[599,772,1838,1865]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="6" pageNumber="7">Figs 13, 14, 17</figureCitation>
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). The distal raphe ends are unilaterally bent to the same side as the proximal ends and terminate at the junction of the valve face and mantle (
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<figureCitation box="[1017,1185,1874,1901]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="6" pageNumber="7">Figs 12, 13, 16</figureCitation>
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). Internally, the raphe is curved with simple proximal and distal ends that are slightly elevated in a deep depression formed by the longitudinal canal (
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<figureCitation box="[210,381,1946,1973]" captionStart="FIGURES 18–23" captionStartId="10.[136,243,1891,1913]" captionTargetBox="[151,1433,194,1865]" captionTargetId="figure-23@10.[150,1434,193,1867]" captionTargetPageId="10" captionText="FIGURES 18–23. Diploneis salzburgeri sp. nov., SEM internal valve views, Lake Tanganyika, Kiganza Bay near Gombe National Park. 18, 21. View of a whole valve. 19, 23. Distal raphe endings slightly elevated and distant from the valve apices. 20. Central area with simple and slightly elevated proximal raphe ends. 22. Close view of alveolate openings covered by thin silica layer. Scale bars = 10 μm (Figs 18, 21), 5 μm (Figs 19, 20, 22, 23)." figureDoi="http://doi.org/10.5281/zenodo.7875101" httpUri="https://zenodo.org/record/7875101/files/figure.png" pageId="6" pageNumber="7">Figs 18–20, 23</figureCitation>
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). The striae are parallel at mid-valve becoming radiate towards the valve apices,
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<quantity box="[1282,1367,1946,1973]" metricMagnitude="-1" metricUnit="m" metricValue="2.286" metricValueMax="2.54" metricValueMin="2.032" pageId="6" pageNumber="7" unit="in" value="9.0" valueMax="10.0" valueMin="8.0">8–10 in</quantity>
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10 μm. Striae are uniseriate throughout (
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<figureCitation box="[508,592,1982,2009]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="6" pageNumber="7">Fig. 15</figureCitation>
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). Externally, the striae are composed of small complex round to rectangular areolae covered with cribra (>20 poroids),
|
||
<quantity box="[620,691,2018,2045]" metricMagnitude="-1" metricUnit="m" metricValue="1.651" metricValueMax="2.032" metricValueMin="1.27" pageId="6" pageNumber="7" unit="in" value="6.5" valueMax="8.0" valueMin="5.0">5–8 in</quantity>
|
||
10 μm. Each stria and canal areola opens into a depression slightly lower than the rest of the non-porous valve surface, divided (typically in four) by narrow thickened bars that bear small fin-like silica ridges (white arrowed
|
||
<figureCitation box="[548,631,158,185]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="7" pageNumber="8">Fig. 15</figureCitation>
|
||
). The stria areolae are also divided by robust thickenings that
|
||
<taxonomicName box="[1335,1451,158,184]" form="from" pageId="7" pageNumber="8" rank="form">form from</taxonomicName>
|
||
the areolae walls (white arrowed
|
||
<figureCitation box="[503,584,194,220]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="7" pageNumber="8">Fig. 16</figureCitation>
|
||
). A few areolae are covered partially or entirely by thin flaps of silica, forming from the areolae walls (black arrowed
|
||
<figureCitation box="[572,655,230,256]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="7" pageNumber="8">Fig. 16</figureCitation>
|
||
). The inter-areolar thickenings bear transapical and longitudinal ridge-like shaped silica ornamentations serrated into ca. 4–7 notched edges (white arrowed
|
||
<figureCitation box="[1091,1173,266,292]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="7" pageNumber="8">Fig. 14</figureCitation>
|
||
). The areolae increase in size towards the valve margins (
|
||
<figureCitation box="[497,628,302,329]" captionStart="FIGURES 12–17" captionStartId="9.[136,243,1808,1830]" captionTargetBox="[204,1383,193,1780]" captionTargetId="figure-19@9.[203,1385,191,1781]" captionTargetPageId="9" captionText="FIGURES 12–17. Diploneis salzburgeri sp. nov., SEM external valve views, Lake Tanganyika, Mutondwe Island. 12, 13. Valve view, showing axial area patterened with irregularly rounded ornamentations. 14. Detail of mid-valve, showing extended teardrop shaped depression with proximal raphe ends and recessed cribrate areolae; white arrowed inter-areolar thickenings bearing fin-like silica ridge ornamentations serrated into 7–4 notched edges. 15. Close view of uniseriate striae; white arrowed inter-areolar transapically oriented fin-like silica ridges. 16. Detail valve apices, showing distal raphe ends with deflected terminal fissures, fin-like silica ridges, and complex areolae; white arrowed robust thickenings dividing the areolae, black arrowed thin flaps of silica covering the areolae. 17. Central area with proximal raphe ends positioned within a small depression; white arrowed irregularly rounded ghost-like areolae. Scale bars = 20 μm (Figs 12, 13), 10 μm (Fig. 15), 5 μm (Figs 14, 16), 2 μm (Fig. 17)." figureDoi="http://doi.org/10.5281/zenodo.7875099" httpUri="https://zenodo.org/record/7875099/files/figure.png" pageId="7" pageNumber="8">Figs 12, 15</figureCitation>
|
||
). Internally, the alveoli open via a single elongated opening covered with a thin silica layer (
|
||
<figureCitation box="[343,474,338,364]" captionStart="FIGURES 18–23" captionStartId="10.[136,243,1891,1913]" captionTargetBox="[151,1433,194,1865]" captionTargetId="figure-23@10.[150,1434,193,1867]" captionTargetPageId="10" captionText="FIGURES 18–23. Diploneis salzburgeri sp. nov., SEM internal valve views, Lake Tanganyika, Kiganza Bay near Gombe National Park. 18, 21. View of a whole valve. 19, 23. Distal raphe endings slightly elevated and distant from the valve apices. 20. Central area with simple and slightly elevated proximal raphe ends. 22. Close view of alveolate openings covered by thin silica layer. Scale bars = 10 μm (Figs 18, 21), 5 μm (Figs 19, 20, 22, 23)." figureDoi="http://doi.org/10.5281/zenodo.7875101" httpUri="https://zenodo.org/record/7875101/files/figure.png" pageId="7" pageNumber="8">Figs 18, 22</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="7" pageNumber="8" type="materials_examined">
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,286,374,400]" pageId="7" pageNumber="8">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2021-09-30" collectionCode="BM" collectorName="W. Salzburger" country="Zambia" elevation="768" latitude="-8.476305" location="Lake Tanganyika" longLatPrecision="1" longitude="30.451862" municipality="Ndole Bay" pageId="7" pageNumber="8" specimenCode="BM-108978" specimenCount="1" typeStatus="holotype">
|
||
<collectingCountry box="[285,587,374,400]" name="Zambia" pageId="7" pageNumber="8">REPUBLIC OF ZAMBIA</collectingCountry>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:038487E2FFD82645BCF1FA51BD4475A0:8EF2602FFFD92645BE20FEE1BB7A7194" box="[601,798,374,400]" country="Zambia" latitude="-8.476305" longLatPrecision="1" longitude="30.451862" municipality="Ndole Bay" name="Lake Tanganyika" pageId="7" pageNumber="8">Lake Tanganyika</location>
|
||
,
|
||
<collectingMunicipality box="[811,934,374,401]" pageId="7" pageNumber="8">Ndole Bay</collectingMunicipality>
|
||
, at
|
||
<quantity box="[977,1050,374,401]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="7" pageNumber="8" unit="m" value="768.0">
|
||
<elevation box="[977,1050,374,401]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="7" pageNumber="8" unit="m" value="768.0">768 m</elevation>
|
||
</quantity>
|
||
elevation; mud,
|
||
<quantity box="[1243,1302,374,401]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="7" pageNumber="8" unit="m" value="12.0">
|
||
<elevation box="[1243,1302,374,401]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="7" pageNumber="8" unit="m" value="12.0">12 m</elevation>
|
||
</quantity>
|
||
water depth, collected
|
||
<collectionCode box="[244,336,410,436]" pageId="7" pageNumber="8">SCUBA</collectionCode>
|
||
diving,
|
||
<geoCoordinate box="[427,574,410,436]" degrees="8" direction="south" minutes="28" orientation="latitude" pageId="7" pageNumber="8" precision="1" seconds="34.7" value="-8.476305">8°28’34.7” S</geoCoordinate>
|
||
<geoCoordinate box="[580,743,410,437]" degrees="30" direction="east" minutes="27" orientation="longitude" pageId="7" pageNumber="8" precision="1" seconds="06.7" value="30.451862">30°27’06.7” E</geoCoordinate>
|
||
,
|
||
<emphasis box="[755,1149,410,436]" italics="true" pageId="7" pageNumber="8">
|
||
<collectorName box="[755,911,410,436]" pageId="7" pageNumber="8">W. Salzburger</collectorName>
|
||
,
|
||
<date box="[921,949,410,436]" pageId="7" pageNumber="8" value="2021-09-30">
|
||
<collectingDate box="[921,949,410,436]" pageId="7" pageNumber="8" value="2021-09-30">30</collectingDate>
|
||
</date>
|
||
<superScript attach="left" box="[949,962,410,424]" fontSize="6" pageId="7" pageNumber="8">th</superScript>
|
||
September 2021
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[1164,1264,410,436]" pageId="7" pageNumber="8">holotype</typeStatus>
|
||
designated here, circled specimen BM-108978! =
|
||
<figureCitation box="[511,579,446,473]" captionStart="FIGURES 2–11" captionStartId="8.[136,243,1955,1977]" captionTargetBox="[203,1382,194,1930]" captionTargetId="figure-23@8.[201,1383,193,1932]" captionTargetPageId="8" captionText="FIGURES 2–11. Diploneis salzburgeri sp. nov., LM valve views, Lake Tanganyika. 2, 3, 5, 6, 9. Specimens from southern parts of Lake Tanganyika, Kalambo Falls Lodge. 4. Specimen from Kalya Bay. 7. Specimen from Ndole Bay. 8. Specimen from Jakobsen Beach, near Kigoma. 10, 11. Specimens from Buhingu Island. Fig. 7. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875095" httpUri="https://zenodo.org/record/7875095/files/figure.png" pageId="7" pageNumber="8">Fig. 7</figureCitation>
|
||
,
|
||
</materialsCitation>
|
||
<materialsCitation collectingDate="2021-09-30" collectionCode="SCUBA" collectorName="W. Salzburger" country="Zambia" elevation="768" latitude="-8.476305" location="Lake Tanganyika" longLatPrecision="1" longitude="30.451862" municipality="Ndole Bay" pageId="7" pageNumber="8" specimenCode="ANSP-GC17207" specimenCount="1" typeStatus="isotype">
|
||
isotypes
|
||
<specimenCode box="[690,889,446,472]" collectionCode="ANSP-GC" pageId="7" pageNumber="8">ANSP-GC17207</specimenCode>
|
||
!, CANA-129323!). Type material CANA-129323. Registration: http://phycobank.org/103716
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph blockId="7.[136,1452,158,1445]" box="[189,1197,518,545]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,615,518,544]" pageId="7" pageNumber="8">Pictures of the isolated specimen:—</emphasis>
|
||
LM micrograph on 1000× magnification (
|
||
<figureCitation box="[1085,1184,518,544]" captionStart="FIGURES 2–11" captionStartId="8.[136,243,1955,1977]" captionTargetBox="[203,1382,194,1930]" captionTargetId="figure-23@8.[201,1383,193,1932]" captionTargetPageId="8" captionText="FIGURES 2–11. Diploneis salzburgeri sp. nov., LM valve views, Lake Tanganyika. 2, 3, 5, 6, 9. Specimens from southern parts of Lake Tanganyika, Kalambo Falls Lodge. 4. Specimen from Kalya Bay. 7. Specimen from Ndole Bay. 8. Specimen from Jakobsen Beach, near Kigoma. 10, 11. Specimens from Buhingu Island. Fig. 7. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875095" httpUri="https://zenodo.org/record/7875095/files/figure.png" pageId="7" pageNumber="8">Fig. S2b</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,399,554,580]" pageId="7" pageNumber="8">Sequence data:—</emphasis>
|
||
Plastid gene
|
||
<emphasis box="[543,580,554,580]" italics="true" pageId="7" pageNumber="8">rbc</emphasis>
|
||
L sequence (GenBank accession:
|
||
<collectionCode box="[960,1001,554,580]" pageId="7" pageNumber="8">OQ</collectionCode>
|
||
660289) and nuclear encoded 18S (
|
||
<collectionCode box="[1398,1451,554,580]" country="0" httpUri="http://grbio.org/cool/fye2-vfes" name="Saratov State University" pageId="7" pageNumber="8">SSU</collectionCode>
|
||
rDNA) sequence (GenBank accession:
|
||
<collectionCode box="[576,618,590,617]" pageId="7" pageNumber="8">OQ</collectionCode>
|
||
629559).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="7" pageNumber="8" type="etymology">
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,356,626,652]" pageId="7" pageNumber="8">Etymology:—</emphasis>
|
||
The specific epithet ‘
|
||
<taxonomicName authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[585,712,626,652]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="salzburgeri">
|
||
<emphasis box="[585,712,626,652]" italics="true" pageId="7" pageNumber="8">salzburgeri</emphasis>
|
||
</taxonomicName>
|
||
’ was given in honor of Prof.Walter Salzburger, who has contributed significantly to the understanding of cichlid fish evolution in Lake Tanganyika and who collected the
|
||
<typeStatus box="[1274,1322,663,689]" pageId="7" pageNumber="8">type</typeStatus>
|
||
material.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="7" pageNumber="8" type="biology_ecology">
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,522,698,724]" pageId="7" pageNumber="8">Ecology and distribution:—</emphasis>
|
||
This species has been observed in Lake Tanganyika along the coasts of
|
||
<collectingCountry box="[1319,1405,698,724]" name="Zambia" pageId="7" pageNumber="8">Zambia</collectingCountry>
|
||
and
|
||
<collectingCountry box="[136,237,734,760]" name="Tanzania" pageId="7" pageNumber="8">Tanzania</collectingCountry>
|
||
(including the coast of
|
||
<collectingCountry box="[496,591,734,760]" name="Burundi" pageId="7" pageNumber="8">Burundi</collectingCountry>
|
||
;
|
||
<bibRefCitation author="Cocquyt, C." box="[601,760,734,760]" pageId="7" pageNumber="8" pagination="7 - 275" refId="ref37675" refString="Cocquyt, C. (1998) Diatoms from the northern basin from Lake Tanaganyika. Bibliotheca Diatomologica 39: 7 - 275. https: // doi. org / 10.1127 / nova. hedwigia / 68 / 1999 / 425" type="journal article" year="1998">Cocquyt 1998</bibRefCitation>
|
||
, fig. 14: 2). It typically inhabits the sandy and muddy stretches between 6 and
|
||
<quantity box="[302,358,770,797]" metricMagnitude="1" metricUnit="m" metricValue="3.3" pageId="7" pageNumber="8" unit="m" value="33.0">33 m</quantity>
|
||
water depth in the southern, central, and northern parts of this alkaline lake with moderate mineral content and high-water transparency. It can also be found free-living (i.e. tychoplanktonic) or on submerged rocks, fishing nets, and other objects probably due to water currents and turbulence. Considering the robust and large size of
|
||
<emphasis box="[136,472,878,904]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,379,878,904]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="salzburgeri" status="sp. nov.">Diploneis salzburgeri</taxonomicName>
|
||
<taxonomicNameLabel box="[386,472,879,904]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, the species is not very abundant, but it is widespread and usually occurs together with
|
||
<emphasis box="[136,348,915,940]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,257,915,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="cristata" status="sp. nov.">D. cristata</taxonomicName>
|
||
<taxonomicNameLabel box="[263,348,915,940]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[362,587,915,940]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[362,494,915,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="gigantea" status="sp. nov.">D. gigantea</taxonomicName>
|
||
<taxonomicNameLabel box="[502,587,915,940]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[600,785,914,940]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[600,693,914,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="fossa" status="sp. nov.">D. fossa</taxonomicName>
|
||
<taxonomicNameLabel box="[700,785,915,940]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[798,992,915,940]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[798,900,915,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="major" status="sp. nov.">D. major</taxonomicName>
|
||
<taxonomicNameLabel box="[907,992,915,940]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[1006,1258,914,940]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[1006,1166,914,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="kilhamiana" status="sp. nov.">D. kilhamiana</taxonomicName>
|
||
<taxonomicNameLabel box="[1173,1258,915,940]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[1272,1412,914,940]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="tessellata" status="sp. nov.">D. tessellata</taxonomicName>
|
||
<taxonomicNameLabel pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[195,456,950,976]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[195,365,950,976]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">D. tanganyikae</taxonomicName>
|
||
<taxonomicNameLabel box="[371,456,951,976]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[468,695,950,976]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[468,605,950,976]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="serrulata" status="sp. nov.">D. serrulata</taxonomicName>
|
||
<taxonomicNameLabel box="[611,695,951,976]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, and
|
||
<emphasis box="[754,1015,951,976]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[754,925,951,976]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="cocquytiana" status="sp. nov.">D. cocquytiana</taxonomicName>
|
||
<taxonomicNameLabel box="[931,1015,951,976]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
in Isanga Bay, Chituta Bay, Mutondwe Island, Kalambo Falls Lodge, Ndole Bay, Cape Nangu at Kasaba Bay, Kalya Bay, Jakobsen Beach near Kigoma, Buhingu Island, and Mahale National Park (see
|
||
<figureCitation box="[674,779,1022,1048]" captionStart="FIGURE 1" captionStartId="3.[136,229,1594,1616]" captionTargetBox="[171,1421,879,1532]" captionTargetId="figure-263@3.[151,1436,844,1567]" captionTargetPageId="3" captionText="FIGURE 1. Maps ofAfrica with major drainage systems. a) Map of Africa indicating the general location of the East African Rift (framed in bold grey lines). b) Map of East African Rift with sample (purple circles) and type (green circles) localities for all twenty-five new Diploneis species. c) Bathymetric map of the three sub-basins of Lake Tanganyika with close-up of sampling sites in the lake. d) Key sampling sites in the northern Kigoma sub-basin of Lake Tanganyika. e) Key sampling sites in the central Kundwe sub-basin of Lake Tanganyika. f) Key sampling sites in the southern Kipili sub-basin of Lake Tanganyika. Location details for each species are given in the descriptions." figureDoi="http://doi.org/10.5281/zenodo.7875093" httpUri="https://zenodo.org/record/7875093/files/figure.png" pageId="7" pageNumber="8">Fig. 1c–f</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,560,1058,1084]" pageId="7" pageNumber="8">Main differential characters:—</emphasis>
|
||
Valve size and shape, external fin-like ornamentations across the valve, patterned axial area, areolae with fin-like extensions, and poroids>20 per areola.
|
||
</paragraph>
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,408,1130,1156]" pageId="7" pageNumber="8">Similar species:—</emphasis>
|
||
<emphasis box="[408,766,1130,1156]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[408,665,1130,1156]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">Diploneis tanganyikae</taxonomicName>
|
||
<taxonomicNameLabel box="[676,766,1131,1156]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[783,1089,1130,1156]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[783,989,1130,1156]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="cristata" status="sp. nov.">Diploneis cristata</taxonomicName>
|
||
<taxonomicNameLabel box="[1000,1089,1131,1156]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[1106,1393,1130,1156]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[1106,1293,1130,1156]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="major" status="sp. nov.">Diploneis major</taxonomicName>
|
||
<taxonomicNameLabel box="[1304,1393,1131,1156]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, and
|
||
<taxonomicName authority="Lange-Bertalot, Fuhrmann & Werum (2020: 43)" authorityName="Lange-Bertalot, Fuhrmann & Werum" authorityPageNumber="43" authorityYear="2020" box="[136,993,1166,1193]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="erwin-reichardtii">
|
||
<emphasis box="[136,443,1166,1192]" italics="true" pageId="7" pageNumber="8">Diploneis erwin-reichardtii</emphasis>
|
||
<bibRefCitation author="Lange-Bertalot, H. & Fuhrmann, A. & Werum, M." box="[450,993,1166,1193]" pageId="7" pageNumber="8" pagination="691 - 699" refId="ref39004" refString="Lange-Bertalot, H., Fuhrmann, A. & Werum, M. (2020) Freshwater Diploneis: species diversity in the Holarctic and spot checks from elsewhere. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe. Diatoms of European inland water and comparable habitats. Freshwater Diploneis Two studies, Glashutten: Koeltz Botanical Books. pp. 1 - 526, 691 - 699." type="journal article" year="2020">Lange-Bertalot, Fuhrmann & Werum (2020: 43)</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph blockId="7.[136,1452,158,1445]" pageId="7" pageNumber="8">
|
||
<emphasis bold="true" box="[189,416,1202,1228]" pageId="7" pageNumber="8">Taxonomic note:—</emphasis>
|
||
<emphasis box="[416,750,1202,1228]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[416,659,1202,1228]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="salzburgeri" status="sp. nov.">Diploneis salzburgeri</taxonomicName>
|
||
<taxonomicNameLabel box="[665,750,1203,1228]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is very variable in the shape of the valves. Individuals ranging from narrowly elliptical to widely elliptical or even rhombic can be observed within and between populations. The nature of these different shapes and the causes of shape variation remain to be investigated, preferably by wholegenome sequencing. However, since our genetic data based on two markers and the morphometric data do not show a clear separation, we have considered these variations as conspecific. Morphological variations of this nature have also been observed in other robust
|
||
<taxonomicName box="[522,721,1382,1408]" pageId="7" pageNumber="8">
|
||
<emphasis box="[522,631,1382,1408]" italics="true" pageId="7" pageNumber="8">Diploneis</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
, such as
|
||
<taxonomicName authority="Jovanovska, Levkov & Edlund (2015: 206)" authorityName="Jovanovska, Levkov & Edlund" authorityPageNumber="206" authorityYear="2015" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="hoevsgoelensis">
|
||
<emphasis box="[818,1101,1382,1408]" italics="true" pageId="7" pageNumber="8">Diploneis hoevsgoelensis</emphasis>
|
||
<bibRefCitation author="Jovanovska, E. & Levkov, Z. & Edlund, M. B." pageId="7" pageNumber="8" pagination="201 - 248" refId="ref38736" refString="Jovanovska, E., Levkov, Z. & Edlund, M. B. (2015) The genus Diploneis Ehrenberg ex Cleve (Bacillariophyta) from Lake Hovsgol, Mongolia. Phytotaxa 217 (3): 201 - 248. https: // doi. org / 10.11646 / phytotaxa. 217.3.1" type="journal article" year="2015">Jovanovska, Levkov & Edlund (2015: 206)</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Jovanovska, E. & Levkov, Z. & Edlund, M. B." box="[282,542,1418,1445]" pageId="7" pageNumber="8" pagination="201 - 248" refId="ref38736" refString="Jovanovska, E., Levkov, Z. & Edlund, M. B. (2015) The genus Diploneis Ehrenberg ex Cleve (Bacillariophyta) from Lake Hovsgol, Mongolia. Phytotaxa 217 (3): 201 - 248. https: // doi. org / 10.11646 / phytotaxa. 217.3.1" type="journal article" year="2015">
|
||
Jovanovska
|
||
<emphasis box="[421,478,1418,1444]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
|
||
2015
|
||
</bibRefCitation>
|
||
) and
|
||
<taxonomicName authority="Meister (1912: 103)" authorityName="Meister" authorityPageNumber="103" authorityYear="1912" box="[604,1022,1418,1444]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="alpina">
|
||
<emphasis box="[604,792,1418,1444]" italics="true" pageId="7" pageNumber="8">Diploneis alpina</emphasis>
|
||
<bibRefCitation author="Meister, F." box="[799,1022,1418,1444]" pageId="7" pageNumber="8" refId="ref39498" refString="Meister, F. (1912) Die Kieselalgen der Schweiz. Beitrage zur Kryptogamenflora der Schweiz. Materiaux pour la flore cryptogamique suisse. pp. 254." type="book" year="1912">Meister (1912: 103)</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Jovanovska, E. & Nakov, T. & Levkov, Z." box="[1037,1301,1418,1444]" pageId="7" pageNumber="8" pagination="237 - 262" refId="ref38683" refString="Jovanovska, E., Nakov, T. & Levkov, Z. (2013) Observations of the genus Diploneis (Ehrenberg) Cleve from Lake Ohrid, Macedonia. Diatom Research 28: 237 - 262. https: // doi. org / 10.1080 / 0269249 X. 2013.797219" type="journal article" year="2013">
|
||
Jovanovska
|
||
<emphasis box="[1177,1233,1418,1444]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
|
||
2013
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |