294 lines
47 KiB
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294 lines
47 KiB
XML
<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="038487E2FFD52649BCF1FF09B9E17708" 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 tanganyikae Jovanovska & Wilson & Hamilton & Stone 2023, sp. nov." docType="treatment" docVersion="4" lastPageNumber="12" 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="12" updateTime="1683016984500" updateUser="tatiana">
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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: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: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: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:number>1</mods:number>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.593.1.1</mods:url>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7875097" ID-Zenodo-Dep="7875097" LSID="urn:lsid:plazi:treatment:038487E2FFD52649BCF1FF09B9E17708" httpUri="http://treatment.plazi.org/id/038487E2FFD52649BCF1FF09B9E17708" lastPageNumber="12" pageId="11" pageNumber="12">
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<paragraph blockId="11.[136,890,158,185]" box="[136,487,158,185]" pageId="11" pageNumber="12">
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<heading box="[136,487,158,185]" fontSize="11" level="2" pageId="11" pageNumber="12" reason="5">
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<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,396,158,185]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">
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<emphasis bold="true" box="[136,396,158,185]" italics="true" pageId="11" pageNumber="12">Diploneis tanganyikae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[402,487,159,184]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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<subSubSection pageId="11" pageNumber="12" type="description">
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<paragraph blockId="11.[136,890,158,185]" box="[493,890,158,185]" pageId="11" pageNumber="12">
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(LM
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<figureCitation box="[552,680,158,185]" captionStart="FIGURES 24–35" captionStartId="12.[136,243,1829,1851]" captionTargetBox="[151,1433,194,1803]" captionTargetId="figure-24@12.[150,1434,193,1805]" captionTargetPageId="12" captionText="FIGURES 24–35. Diploneis tanganyikae sp. nov., LM valve views, Lake Tanganyika.24–26, 28, 30, 32, 33, 35. Specimens from Kiganza Bay. 27, 29, 31. Specimens from Jakobsen Beach, near Kigoma. 34. Specimen from Ndole Bay. Fig. 34. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875107" httpUri="https://zenodo.org/record/7875107/files/figure.png" pageId="11" pageNumber="12">Figs 24–35</figureCitation>
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, SEM
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<figureCitation box="[755,883,158,184]" captionStart-0="FIGURES 36–40" captionStart-1="FIGURES 41–46" captionStartId-0="13.[136,243,1857,1879]" captionStartId-1="14.[136,243,1894,1916]" captionTargetBox-0="[151,1433,194,1831]" captionTargetBox-1="[151,1433,194,1868]" captionTargetId-0="figure-18@13.[150,1434,193,1833]" captionTargetId-1="figure-24@14.[150,1434,193,1870]" captionTargetPageId-0="13" captionTargetPageId-1="14" captionText-0="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." captionText-1="FIGURES 41–46. Diploneis tanganyikae sp. nov., SEM internal valve views, Lake Tanganyika. 41, 44. Specimen from Kiganza Bay. 42, 43, 45, 46. Specimen from Mutondwe Island. 41, 42. View of a whole valve. 44. Detail alveolate openings covered by thin silica layers. 45. Central area with simple and slightly elevated proximal raphe ends. Fig. 43. Distal raphe ends slightly elevated and distant from the valve apices. 46. Broken valve, showing the alveoli structure and chambered wall externally occluded by cribra. Scale bars = 20 μm (Fig. 42), 10 μm (Fig. 41), 5 μm (Figs 43, 45), 2 μm (Figs 44, 46)." figureDoi-0="http://doi.org/10.5281/zenodo.7875109" figureDoi-1="http://doi.org/10.5281/zenodo.7875113" httpUri-0="https://zenodo.org/record/7875109/files/figure.png" httpUri-1="https://zenodo.org/record/7875113/files/figure.png" pageId="11" pageNumber="12">Figs 36–46</figureCitation>
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)
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</paragraph>
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<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
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Valves are weakly asymmetric, rhombic to rhombic-elliptic becoming elliptic-circular with smaller cell size (
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<figureCitation captionStart="FIGURES 24–35" captionStartId="12.[136,243,1829,1851]" captionTargetBox="[151,1433,194,1803]" captionTargetId="figure-24@12.[150,1434,193,1805]" captionTargetPageId="12" captionText="FIGURES 24–35. Diploneis tanganyikae sp. nov., LM valve views, Lake Tanganyika.24–26, 28, 30, 32, 33, 35. Specimens from Kiganza Bay. 27, 29, 31. Specimens from Jakobsen Beach, near Kigoma. 34. Specimen from Ndole Bay. Fig. 34. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875107" httpUri="https://zenodo.org/record/7875107/files/figure.png" pageId="11" pageNumber="12">Figs 24– 35</figureCitation>
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). Valve length is 43–75 μm and valve width is 26.5–40.5 μm. The axial area is narrow, lanceolate, widening at the center to form a longitudinally elongate and weakly asymmetric central area (
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<figureCitation box="[999,1130,302,328]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Figs 36–38</figureCitation>
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), 4.5–7 μm wide. Externally, the longitudinal canal is broad, lanceolate to linear, slightly expanded in the middle of the valve with three to five rows of cribrate (ca. 8–10 poroids) areolae narrowing into one at the valve apices (
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<figureCitation box="[1012,1097,374,400]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Fig. 36</figureCitation>
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). Internally, a thick non-porous slightly raised silica plate encloses the longitudinal canal (
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<figureCitation box="[798,932,410,436]" captionStart="FIGURES 41–46" captionStartId="14.[136,243,1894,1916]" captionTargetBox="[151,1433,194,1868]" captionTargetId="figure-24@14.[150,1434,193,1870]" captionTargetPageId="14" captionText="FIGURES 41–46. Diploneis tanganyikae sp. nov., SEM internal valve views, Lake Tanganyika. 41, 44. Specimen from Kiganza Bay. 42, 43, 45, 46. Specimen from Mutondwe Island. 41, 42. View of a whole valve. 44. Detail alveolate openings covered by thin silica layers. 45. Central area with simple and slightly elevated proximal raphe ends. Fig. 43. Distal raphe ends slightly elevated and distant from the valve apices. 46. Broken valve, showing the alveoli structure and chambered wall externally occluded by cribra. Scale bars = 20 μm (Fig. 42), 10 μm (Fig. 41), 5 μm (Figs 43, 45), 2 μm (Figs 44, 46)." figureDoi="http://doi.org/10.5281/zenodo.7875113" httpUri="https://zenodo.org/record/7875113/files/figure.png" pageId="11" pageNumber="12">Figs 41, 42</figureCitation>
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). Externally, the raphe is filiform, curved; the proximal ends are weakly deflected and positioned within a teardrop depression (
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<figureCitation box="[1031,1159,446,472]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Figs 36, 38</figureCitation>
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). The distal raphe ends are unilaterally bent to the same side and terminate at the junction of the valve face and mantle (
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<figureCitation box="[1185,1317,482,508]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Figs 36, 39</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="[356,533,554,581]" captionStart="FIGURES 41–46" captionStartId="14.[136,243,1894,1916]" captionTargetBox="[151,1433,194,1868]" captionTargetId="figure-24@14.[150,1434,193,1870]" captionTargetPageId="14" captionText="FIGURES 41–46. Diploneis tanganyikae sp. nov., SEM internal valve views, Lake Tanganyika. 41, 44. Specimen from Kiganza Bay. 42, 43, 45, 46. Specimen from Mutondwe Island. 41, 42. View of a whole valve. 44. Detail alveolate openings covered by thin silica layers. 45. Central area with simple and slightly elevated proximal raphe ends. Fig. 43. Distal raphe ends slightly elevated and distant from the valve apices. 46. Broken valve, showing the alveoli structure and chambered wall externally occluded by cribra. Scale bars = 20 μm (Fig. 42), 10 μm (Fig. 41), 5 μm (Figs 43, 45), 2 μm (Figs 44, 46)." figureDoi="http://doi.org/10.5281/zenodo.7875113" httpUri="https://zenodo.org/record/7875113/files/figure.png" pageId="11" pageNumber="12">Figs 41, 43, 45</figureCitation>
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). The striae are parallel at mid-valve becoming radiate towards the valve apices,
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10 μm. Striae are uniseriate throughout (
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<figureCitation box="[664,748,590,616]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Fig. 40</figureCitation>
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). The striae are composed of large round to rectangular areolae covered externally with cribra (ca. 15–30 poroids; white arrow in
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<figureCitation box="[872,955,626,652]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Fig. 40</figureCitation>
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),
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10 μm. Each areola opens into deep pits (
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<figureCitation box="[191,320,662,688]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Figs 36, 40</figureCitation>
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). The stria areolae are divided by thick fin-like ridge thickenings that
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<taxonomicName box="[1096,1210,662,688]" form="from" pageId="11" pageNumber="12" rank="form">form from</taxonomicName>
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the areolae walls and bear silica ornamentations (white arrow in
|
||
<figureCitation box="[615,698,698,724]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Fig. 39</figureCitation>
|
||
). The longitudinal inter-areolar crested fins have serrated ridge-like shaped silica ornamentations (ca. 3–9 notched edges – hardly visible on the illustrated specimens possibly because of corrosion;
|
||
<figureCitation box="[258,342,770,796]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Fig. 40</figureCitation>
|
||
). The areolae increase in size towards the valve margins (
|
||
<figureCitation box="[996,1128,770,796]" captionStart="FIGURES 36–40" captionStartId="13.[136,243,1857,1879]" captionTargetBox="[151,1433,194,1831]" captionTargetId="figure-18@13.[150,1434,193,1833]" captionTargetPageId="13" captionText="FIGURES 36–40. Diploneis tanganyikae sp. nov., SEM external valve views, Lake Tanganyika. 36, 38–40. Specimen from Kiganza Bay. 37. Specimen from Mutondwe Island. 36, 37. View of a whole valve. 38. Central area with extended teardrop shaped depression with proximal raphe ends. 39. Detail valve apices, showing distal raphe ends with deflected terminal fissures and inter-areolar thickenings bearing fin-like silica ridge ornamentations; note white arrowed areolae divided by thick thickenings also bearing silica ornamentations. 40. White arrowed large round to rectangular areolae covered by cribra. Scale bars = 10 μm (Figs 36, 37), 2 μm (Figs 38–40)." figureDoi="http://doi.org/10.5281/zenodo.7875109" httpUri="https://zenodo.org/record/7875109/files/figure.png" pageId="11" pageNumber="12">Figs 37, 40</figureCitation>
|
||
). Internally, the alveoli open via a single elongated opening covered with a thin silica layer (
|
||
<figureCitation box="[843,974,806,832]" captionStart="FIGURES 41–46" captionStartId="14.[136,243,1894,1916]" captionTargetBox="[151,1433,194,1868]" captionTargetId="figure-24@14.[150,1434,193,1870]" captionTargetPageId="14" captionText="FIGURES 41–46. Diploneis tanganyikae sp. nov., SEM internal valve views, Lake Tanganyika. 41, 44. Specimen from Kiganza Bay. 42, 43, 45, 46. Specimen from Mutondwe Island. 41, 42. View of a whole valve. 44. Detail alveolate openings covered by thin silica layers. 45. Central area with simple and slightly elevated proximal raphe ends. Fig. 43. Distal raphe ends slightly elevated and distant from the valve apices. 46. Broken valve, showing the alveoli structure and chambered wall externally occluded by cribra. Scale bars = 20 μm (Fig. 42), 10 μm (Fig. 41), 5 μm (Figs 43, 45), 2 μm (Figs 44, 46)." figureDoi="http://doi.org/10.5281/zenodo.7875113" httpUri="https://zenodo.org/record/7875113/files/figure.png" pageId="11" pageNumber="12">Figs 44, 46</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="materials_examined">
|
||
<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,286,842,868]" pageId="11" pageNumber="12">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2021-09-30" collectionCode="BM" collectorName="A. Indermaur" country="Zambia" elevation="768" latitude="-8.476305" location="Lake Tanganyika" longLatPrecision="1" longitude="30.451862" municipality="Ndole Bay" pageId="11" pageNumber="12" specimenCode="BM-108997" specimenCount="1" typeStatus="holotype">
|
||
<collectingCountry box="[285,587,842,868]" name="Zambia" pageId="11" pageNumber="12">REPUBLIC OF ZAMBIA</collectingCountry>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:038487E2FFD52649BCF1FF09B9E17708:8EF2602FFFD52649BE20FCDDBB7A7360" box="[601,798,842,868]" country="Zambia" latitude="-8.476305" longLatPrecision="1" longitude="30.451862" municipality="Ndole Bay" name="Lake Tanganyika" pageId="11" pageNumber="12">Lake Tanganyika</location>
|
||
,
|
||
<collectingMunicipality box="[811,934,842,869]" pageId="11" pageNumber="12">Ndole Bay</collectingMunicipality>
|
||
, at
|
||
<quantity box="[977,1050,842,869]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="11" pageNumber="12" unit="m" value="768.0">
|
||
<elevation box="[977,1050,842,869]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="11" pageNumber="12" unit="m" value="768.0">768 m</elevation>
|
||
</quantity>
|
||
elevation; mud,
|
||
<quantity box="[1243,1302,842,869]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="11" pageNumber="12" unit="m" value="12.0">
|
||
<elevation box="[1243,1302,842,869]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="11" pageNumber="12" unit="m" value="12.0">12 m</elevation>
|
||
</quantity>
|
||
water depth,
|
||
<geoCoordinate box="[136,283,878,904]" degrees="8" direction="south" minutes="28" orientation="latitude" pageId="11" pageNumber="12" precision="1" seconds="34.7" value="-8.476305">8°28’34.7” S</geoCoordinate>
|
||
<geoCoordinate box="[290,453,878,905]" degrees="30" direction="east" minutes="27" orientation="longitude" pageId="11" pageNumber="12" precision="1" seconds="06.7" value="30.451862">30°27’06.7” E</geoCoordinate>
|
||
, collected
|
||
<collectionCode box="[573,665,878,904]" pageId="11" pageNumber="12">SCUBA</collectionCode>
|
||
diving,
|
||
<emphasis box="[758,1148,878,905]" italics="true" pageId="11" pageNumber="12">
|
||
<collectorName box="[758,909,878,905]" pageId="11" pageNumber="12">A. Indermaur</collectorName>
|
||
,
|
||
<date box="[919,947,878,904]" pageId="11" pageNumber="12" value="2021-09-30">
|
||
<collectingDate box="[919,947,878,904]" pageId="11" pageNumber="12" value="2021-09-30">30</collectingDate>
|
||
</date>
|
||
<superScript attach="left" box="[947,960,878,892]" fontSize="6" pageId="11" pageNumber="12">th</superScript>
|
||
September 2021
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[1163,1263,878,904]" pageId="11" pageNumber="12">holotype</typeStatus>
|
||
designated here, circled specimen BM-108997! =
|
||
<figureCitation box="[506,587,914,940]" captionStart="FIGURES 24–35" captionStartId="12.[136,243,1829,1851]" captionTargetBox="[151,1433,194,1803]" captionTargetId="figure-24@12.[150,1434,193,1805]" captionTargetPageId="12" captionText="FIGURES 24–35. Diploneis tanganyikae sp. nov., LM valve views, Lake Tanganyika.24–26, 28, 30, 32, 33, 35. Specimens from Kiganza Bay. 27, 29, 31. Specimens from Jakobsen Beach, near Kigoma. 34. Specimen from Ndole Bay. Fig. 34. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875107" httpUri="https://zenodo.org/record/7875107/files/figure.png" pageId="11" pageNumber="12">Fig. 34</figureCitation>
|
||
,
|
||
</materialsCitation>
|
||
<materialsCitation collectingDate="2021-09-30" collectionCode="SCUBA" collectorName="A. Indermaur" country="Zambia" elevation="768" latitude="-8.476305" location="Lake Tanganyika" longLatPrecision="1" longitude="30.451862" municipality="Ndole Bay" pageId="11" pageNumber="12" specimenCode="ANSP-GC17226" specimenCount="1" typeStatus="isotype">
|
||
isotypes
|
||
<specimenCode box="[695,893,914,940]" collectionCode="ANSP-GC" pageId="11" pageNumber="12">ANSP-GC17226</specimenCode>
|
||
!, CANA-129330!). Type material CANA-129330. Registration: http://phycobank.org/103718
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph blockId="11.[136,1452,230,1804]" box="[189,1193,986,1013]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,615,986,1012]" pageId="11" pageNumber="12">Pictures of the isolated specimen:—</emphasis>
|
||
LM micrograph on 1000× magnification (
|
||
<figureCitation box="[1085,1180,986,1012]" 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="11" pageNumber="12">Fig. S2f</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,401,1022,1048]" pageId="11" pageNumber="12">Sequence data:—</emphasis>
|
||
Plastid gene
|
||
<emphasis box="[547,584,1022,1048]" italics="true" pageId="11" pageNumber="12">rbc</emphasis>
|
||
L sequence (GenBank accession:
|
||
<accessionNumber box="[969,1098,1022,1049]" pageId="11" pageNumber="12">OQ660285</accessionNumber>
|
||
). The sequence comes from an individual isolated from submerged wood of a palm tree in
|
||
<quantity box="[796,859,1058,1085]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="12" unit="m" value="0.1">0.1 m</quantity>
|
||
water depth (Acc. No. 532, Diatom Collection Elena Jovanovska; see coordinates in
|
||
<tableCitation box="[495,596,1094,1120]" captionStart="TABLE 1" captionStartId="6.[136,224,159,183]" captionTargetBox="[144,1444,231,1325]" captionTargetPageId="6" captionText="TABLE 1. Key morphological features of Diploneis species from Lake Tanganyika and the region. NA represents barely visible fractures. Fin" httpUri="http://table.plazi.org/id/DF52667CFFD82644BCF1FF08BD2D70FC" pageId="11" pageNumber="12" tableUuid="DF52667CFFD82644BCF1FF08BD2D70FC">Table S1</tableCitation>
|
||
). As this is not the original habitat of this species and it probably occurred there due to water currents and turbulence, we selected the nearest suitable site as type material for this species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="etymology">
|
||
<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,356,1166,1192]" pageId="11" pageNumber="12">Etymology:—</emphasis>
|
||
The specific epithet ‘
|
||
<taxonomicName authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[600,737,1166,1192]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="tanganyikae">
|
||
<emphasis box="[600,737,1166,1192]" italics="true" pageId="11" pageNumber="12">tanganyikae</emphasis>
|
||
</taxonomicName>
|
||
’ is given in honor of Lake Tanganyika, where the species has been observed occurring and from which the
|
||
<typeStatus box="[644,692,1203,1229]" pageId="11" pageNumber="12">type</typeStatus>
|
||
material was collected.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="biology_ecology">
|
||
<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,521,1238,1264]" pageId="11" pageNumber="12">Ecology and distribution:—</emphasis>
|
||
<emphasis box="[520,862,1238,1264]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[520,772,1238,1264]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">Diploneis tanganyikae</taxonomicName>
|
||
<taxonomicNameLabel box="[778,862,1239,1264]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
has been observed along the Tanzanian and Zambian coastlines of Lake Tanganyika, an alkaline system with moderate mineral content and high-water transparency. It is not very dominant in the muddy and sandy substrates between 9 and
|
||
<quantity box="[869,926,1310,1337]" metricMagnitude="1" metricUnit="m" metricValue="3.3" pageId="11" pageNumber="12" unit="m" value="33.0">33 m</quantity>
|
||
water depth, where it normally occurs. Higher species densities were found in the northern and central sub-basins (
|
||
<figureCitation box="[913,1023,1346,1372]" 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="11" pageNumber="12">Fig. 1c–e</figureCitation>
|
||
), especially in Mahale National Park, Kiganza Bay near Gombe National Park, and Jakobsen Beach near
|
||
<collectingRegion box="[880,970,1382,1408]" country="Tanzania" name="Kigoma" pageId="11" pageNumber="12">Kigoma</collectingRegion>
|
||
(also as tychoplankton at this site). In these bays,
|
||
<emphasis box="[201,465,1418,1444]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[201,373,1418,1444]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">D. tanganyikae</taxonomicName>
|
||
<taxonomicNameLabel box="[380,465,1419,1444]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
mostly coexists with
|
||
<emphasis box="[709,962,1418,1444]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[709,870,1418,1444]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="salzburgeri" status="sp. nov.">D. salzburgeri</taxonomicName>
|
||
<taxonomicNameLabel box="[877,962,1419,1444]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[975,1228,1418,1444]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[975,1136,1418,1444]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="kilhamiana" status="sp. nov.">D. kilhamiana</taxonomicName>
|
||
<taxonomicNameLabel box="[1143,1228,1419,1444]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[1241,1412,1419,1444]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="cocquytiana" status="sp. nov.">D. cocquytiana</taxonomicName>
|
||
<taxonomicNameLabel pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[195,399,1454,1480]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[195,308,1454,1480]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="tumida" status="sp. nov.">D. tumida</taxonomicName>
|
||
<taxonomicNameLabel box="[314,399,1455,1480]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[413,641,1454,1480]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[413,550,1454,1480]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="serrulata" status="sp. nov.">D. serrulata</taxonomicName>
|
||
<taxonomicNameLabel box="[556,641,1455,1480]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, and
|
||
<emphasis box="[702,906,1454,1480]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[702,814,1454,1480]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="decora" status="sp. nov.">D. decora</taxonomicName>
|
||
<taxonomicNameLabel box="[821,906,1455,1480]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Towards the south, the population density of the species gradually decreases, reaching only a few individuals in Ndole Bay, Cape Nangu at Kasaba Bay, Mutondwe Island, Chituta Bay, and Kalambo Falls Lodge (see
|
||
<figureCitation box="[714,819,1526,1552]" 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="11" pageNumber="12">Fig. 1c, f</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,579,1562,1588]" pageId="11" pageNumber="12">Main differential characters:—</emphasis>
|
||
Valve size and shape, canal width, striae density, external thick fin-like ornamentations across the valve, and fin-like ridges around areolae.
|
||
</paragraph>
|
||
<paragraph blockId="11.[136,1452,230,1804]" box="[189,1234,1634,1661]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,404,1634,1660]" pageId="11" pageNumber="12">Similar species:—</emphasis>
|
||
<emphasis box="[404,698,1634,1660]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[404,606,1634,1660]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="cristata" status="sp. nov.">Diploneis cristata</taxonomicName>
|
||
<taxonomicNameLabel box="[613,698,1635,1660]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[711,964,1634,1660]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[711,872,1634,1660]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="salzburgeri" status="sp. nov.">D. salzburgeri</taxonomicName>
|
||
<taxonomicNameLabel box="[879,964,1635,1660]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, and
|
||
<taxonomicName authorityName="Jovanovska, Levkov & Edlund" authorityYear="2015" box="[1024,1227,1634,1660]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="hoevsgoelensis">
|
||
<emphasis box="[1024,1227,1634,1660]" italics="true" pageId="11" pageNumber="12">D. hoevsgoelensis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph blockId="11.[136,1452,230,1804]" pageId="11" pageNumber="12">
|
||
<emphasis bold="true" box="[189,417,1670,1696]" pageId="11" pageNumber="12">Taxonomic note:—</emphasis>
|
||
<emphasis box="[425,772,1670,1696]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[425,678,1670,1696]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">Diploneis tanganyikae</taxonomicName>
|
||
<taxonomicNameLabel box="[686,772,1671,1696]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is morphologically variable in terms of the shape and width of the canal. It usually varies from broadly lanceolate to narrower linear. Since our current genetic and morphometric data do not reveal any differences between the two forms, we consider them conspecific, similar to what we found in
|
||
<emphasis box="[136,389,1778,1804]" italics="true" pageId="11" pageNumber="12">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,297,1778,1804]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="12" phylum="Bacillariophyta" rank="species" species="salzburgeri" status="sp. nov.">D. salzburgeri</taxonomicName>
|
||
<taxonomicNameLabel box="[304,389,1779,1804]" pageId="11" pageNumber="12" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |