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305 lines
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<document id="37A728A519A81ED091C70F382A9915A6" ID-CLB-Dataset="257032" 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="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="tatiana" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="tatiana" checkinTime="1682061103176" checkinUser="plazi" docAuthor="Jovanovska, Elena, Wilson, Mallory C., Hamilton, Paul B. & Stone, Jeffery" docDate="2023" docId="038487E2FF86261EBCF1FF09B92472B4" 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:F08184CE06D8A97EA3E6DE35D99648B0.3:Phytotaxa.2014-.monograph" docStyleId="F08184CE06D8A97EA3E6DE35D99648B0" docStyleName="Phytotaxa.2014-.monograph" docStyleVersion="3" docTitle="Diploneis limosa Jovanovska & Wilson & Hamilton & Stone 2023, sp. nov." docType="treatment" docVersion="8" lastPageNumber="93" 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="89" updateTime="1701997692291" updateUser="plazi">
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<mods:title id="F7143BE8F59343BD44DA70DC6C856235">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:namePart id="E0F1B3BBFF17626F10FDDE4CB53478B0">Jovanovska, Elena</mods:namePart>
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<mods:nameIdentifier id="CE23766CB0D69AABBF5A68D1FD930995" type="ORCID">0000-0002-3413-3683</mods:nameIdentifier>
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<mods:affiliation id="6A6561E952488F0B4B9160C9296541AB">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 id="ACE833C6B858E142BE9A85F23D12FAF0" type="email">jovanovska.eci@gmail.com</mods:nameIdentifier>
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<mods:namePart id="B05CAAF7D6A344A2F6B84B8587504C21">Wilson, Mallory C.</mods:namePart>
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<mods:nameIdentifier id="2E4F8756BCB2E4D89450F4D0279F3C2A" type="ORCID">0000-0002-2852-125X</mods:nameIdentifier>
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<mods:affiliation id="F48963D2C753CD9406C5D2E582E0B238">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 id="620C1E706695AA4DA57096128FE19EA1" type="email">mwilson108@sycamores.indstate.edu</mods:nameIdentifier>
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<mods:namePart id="26D90BF8C6556CF485C267D88F882055">Hamilton, Paul B.</mods:namePart>
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<mods:affiliation id="5139E3E6C6A7D6B17A974993A03C9BD9">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 id="93D65AD071128638E582FCC75891441F" type="email">phamilton@nature.ca</mods:nameIdentifier>
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<mods:namePart id="853FCD4AA36D805F252ECAF4C7ADF7E2">Stone, Jeffery</mods:namePart>
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<mods:affiliation id="443D3609333117487040A4BDAAC147CE">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 id="EF9EAC1BBA1FE8F4C9E7D23A1CE515A6" type="email">jeffery.stone@indstate.edu</mods:nameIdentifier>
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<mods:title id="A9A61A3DD355D52020A0974180FF5628">Phytotaxa</mods:title>
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<mods:part id="FE766F8496E3405738122720EEB1472D">
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<mods:date id="5E7034A03789DF9FE6C65EF7D067C36D">2023</mods:date>
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<mods:number id="514141F0E93BFD626A3D4438609DF668">2023-04-21</mods:number>
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<mods:number id="1793ED5F63CC1A8CE68DBC5033DD23E3">593</mods:number>
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<mods:url id="4962FCFC53D8301247E1626716B19601">http://dx.doi.org/10.11646/phytotaxa.593.1.1</mods:url>
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<treatment id="038487E2FF86261EBCF1FF09B92472B4" ID-DOI="http://doi.org/10.5281/zenodo.7875231" ID-GBIF-Taxon="209578958" ID-Zenodo-Dep="7875231" LSID="urn:lsid:plazi:treatment:038487E2FF86261EBCF1FF09B92472B4" httpUri="http://treatment.plazi.org/id/038487E2FF86261EBCF1FF09B92472B4" lastPageId="92" lastPageNumber="93" pageId="88" pageNumber="89">
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<subSubSection id="C337657FFF86261ABCF1FF09B99B72FD" pageId="88" pageNumber="89" type="nomenclature">
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<paragraph id="8B9236F4FF86261ABCF1FF09BB1570BC" blockId="88.[136,881,158,185]" box="[136,881,158,185]" pageId="88" pageNumber="89">
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<heading id="D0DA8198FF86261ABCF1FF09BB1570BC" box="[136,881,158,185]" fontSize="11" level="2" pageId="88" pageNumber="89" reason="5">
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<emphasis id="B959EAE6FF86261ABCF1FF09B9C270BC" box="[136,422,158,185]" italics="true" pageId="88" pageNumber="89">
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<taxonomicName id="4C2D4D77FF86261ABCF1FF09B92E70BD" authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,330,158,185]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="88" pageNumber="89" phylum="Bacillariophyta" rank="species" species="limosa" status="sp. nov.">
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<emphasis id="B959EAE6FF86261ABCF1FF09B92E70BD" bold="true" box="[136,330,158,185]" italics="true" pageId="88" pageNumber="89">Diploneis limosa</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A26A579DFF86261ABD28FF08B9C270BC" box="[337,422,159,184]" pageId="88" pageNumber="89" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(LM
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<figureCitation id="13162A71FF86261ABD9FFF09BAE670BD" box="[486,642,158,185]" captionStart="FIGURES 582–608" captionStartId="89.[136,243,1495,1517]" captionTargetBox="[151,1433,194,1469]" captionTargetId="figure-18@89.[150,1434,193,1471]" captionTargetPageId="89" captionText="FIGURES 582–608. Diploneis limosa sp. nov., LM valve views.All individuals displayed from the type material, Lake Mweru Wantipa. Fig. 583. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875272" httpUri="https://zenodo.org/record/7875272/files/figure.png" pageId="88" pageNumber="89">Figs 582–608</figureCitation>
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, SEM
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<figureCitation id="13162A71FF86261ABEB7FF09BB0D70BC" box="[718,873,158,184]" captionStart-0="FIGURES 609–613" captionStart-1="FIGURES 614–618" captionStartId-0="90.[136,243,1637,1659]" captionStartId-1="91.[136,243,1718,1740]" captionTargetBox-0="[151,1433,194,1611]" captionTargetBox-1="[151,1433,194,1693]" captionTargetId-0="figure-24@90.[150,1434,193,1613]" captionTargetId-1="figure-19@91.[150,1434,193,1694]" captionTargetPageId-0="90" captionTargetPageId-1="91" captionText-0="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." captionText-1="FIGURES 614–618. Diploneis limosa sp. nov., SEM internal valve views, Lake Mweru Wantipa. 614. View of a whole valve. 615. Close view of the alveoli occluded by thin silica layers. 616. Half-valve, showing the slightly elevated proximal and distal raphe ends. 617. Central area with proximal raphe ends. 618. Close view of the simple and slightly elevated proximal raphe ends. Scale bars = 5 μm (Fig. 614), 2 μm (Figs 616, 617), 1 μm (Figs 615, 618)." figureDoi-0="http://doi.org/10.5281/zenodo.7875274" figureDoi-1="http://doi.org/10.5281/zenodo.7875276" httpUri-0="https://zenodo.org/record/7875274/files/figure.png" httpUri-1="https://zenodo.org/record/7875276/files/figure.png" pageId="88" pageNumber="89">Figs 609–618</figureCitation>
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)
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</heading>
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</paragraph>
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<paragraph id="8B9236F4FF86261ABCF1FF71B99B72FD" blockId="88.[136,1452,230,1265]" pageId="88" pageNumber="89">
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Valves are weakly asymmetric, linear-elliptic with parallel to weakly convex margins and round apices (
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<figureCitation id="13162A71FF86261AB941FF71B8D27120" captionStart-0="FIGURES 582–608" captionStart-1="FIGURES 609–613" captionStartId-0="89.[136,243,1495,1517]" captionStartId-1="90.[136,243,1637,1659]" captionTargetBox-0="[151,1433,194,1469]" captionTargetBox-1="[151,1433,194,1611]" captionTargetId-0="figure-18@89.[150,1434,193,1471]" captionTargetId-1="figure-24@90.[150,1434,193,1613]" captionTargetPageId-0="89" captionTargetPageId-1="90" captionText-0="FIGURES 582–608. Diploneis limosa sp. nov., LM valve views.All individuals displayed from the type material, Lake Mweru Wantipa. Fig. 583. Holotype specimen. Scale bar = 10 μm." captionText-1="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi-0="http://doi.org/10.5281/zenodo.7875272" figureDoi-1="http://doi.org/10.5281/zenodo.7875274" httpUri-0="https://zenodo.org/record/7875272/files/figure.png" httpUri-1="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">Figs 582– 609</figureCitation>
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). Valves become elliptic-circular with smaller cell size. Valve length is 12.5–33.5 μm and width is 9.5–14 μm. The axial area is very narrow, lanceolate, slightly expanding into a longitudinally elongate central area (
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<figureCitation id="13162A71FF86261AB8B5FEB9BD55714D" box="[1228,1329,302,329]" captionStart="FIGURES 582–608" captionStartId="89.[136,243,1495,1517]" captionTargetBox="[151,1433,194,1469]" captionTargetId="figure-18@89.[150,1434,193,1471]" captionTargetPageId="89" captionText="FIGURES 582–608. Diploneis limosa sp. nov., LM valve views.All individuals displayed from the type material, Lake Mweru Wantipa. Fig. 583. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875272" httpUri="https://zenodo.org/record/7875272/files/figure.png" pageId="88" pageNumber="89">Figs 584</figureCitation>
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,
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<figureCitation id="13162A71FF86261AB943FEB9BDFB714C" box="[1338,1439,302,328]" captionStart="FIGURES 609–613" captionStartId="90.[136,243,1637,1659]" captionTargetBox="[151,1433,194,1611]" captionTargetId="figure-24@90.[150,1434,193,1613]" captionTargetPageId="90" captionText="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi="http://doi.org/10.5281/zenodo.7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">609, 610</figureCitation>
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), 2.2–3.9 μm wide. Externally, the canal is linear to lanceolate, slightly expanded in the middle of the valve with one row of cribrate (<20 poroids) areolae that widens into two along the raphe branches and then narrows into one at the valve apices (
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<figureCitation id="13162A71FF86261ABCA6FE0DB91A71B1" box="[223,382,410,437]" captionStart="FIGURES 582–608" captionStartId="89.[136,243,1495,1517]" captionTargetBox="[151,1433,194,1469]" captionTargetId="figure-18@89.[150,1434,193,1471]" captionTargetPageId="89" captionText="FIGURES 582–608. Diploneis limosa sp. nov., LM valve views.All individuals displayed from the type material, Lake Mweru Wantipa. Fig. 583. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875272" httpUri="https://zenodo.org/record/7875272/files/figure.png" pageId="88" pageNumber="89">Figs 582–585</figureCitation>
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,
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<figureCitation id="13162A71FF86261ABDF5FE0DB99771B0" box="[396,499,410,436]" captionStart="FIGURES 609–613" captionStartId="90.[136,243,1637,1659]" captionTargetBox="[151,1433,194,1611]" captionTargetId="figure-24@90.[150,1434,193,1613]" captionTargetPageId="90" captionText="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi="http://doi.org/10.5281/zenodo.7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">609, 611</figureCitation>
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). Internally, a thick non-porous slightly raised silica plate encloses the longitudinal canal (
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<figureCitation id="13162A71FF86261ABCAAFE29B95371DC" box="[211,311,446,472]" captionStart="FIGURES 614–618" captionStartId="91.[136,243,1718,1740]" captionTargetBox="[151,1433,194,1693]" captionTargetId="figure-19@91.[150,1434,193,1694]" captionTargetPageId="91" captionText="FIGURES 614–618. Diploneis limosa sp. nov., SEM internal valve views, Lake Mweru Wantipa. 614. View of a whole valve. 615. Close view of the alveoli occluded by thin silica layers. 616. Half-valve, showing the slightly elevated proximal and distal raphe ends. 617. Central area with proximal raphe ends. 618. Close view of the simple and slightly elevated proximal raphe ends. Scale bars = 5 μm (Fig. 614), 2 μm (Figs 616, 617), 1 μm (Figs 615, 618)." figureDoi="http://doi.org/10.5281/zenodo.7875276" httpUri="https://zenodo.org/record/7875276/files/figure.png" pageId="88" pageNumber="89">Fig. 614</figureCitation>
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). Externally, the raphe is filiform, curved; the proximal ends are deflected to one side and positioned within an expanded teardrop depression (
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<figureCitation id="13162A71FF86261ABE23FE75BB5771F8" box="[602,819,482,508]" captionStart="FIGURES 609–613" captionStartId="90.[136,243,1637,1659]" captionTargetBox="[151,1433,194,1611]" captionTargetId="figure-24@90.[150,1434,193,1613]" captionTargetPageId="90" captionText="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi="http://doi.org/10.5281/zenodo.7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">Figs 609, 610, 611</figureCitation>
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). The distal raphe ends are unilaterally bent to the same side as the proximal ends and terminate on the upper mantle at the apex (
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<figureCitation id="13162A71FF86261ABFBAFD91BCFF7224" box="[963,1179,518,544]" captionStart="FIGURES 609–613" captionStartId="90.[136,243,1637,1659]" captionTargetBox="[151,1433,194,1611]" captionTargetId="figure-24@90.[150,1434,193,1613]" captionTargetPageId="90" captionText="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi="http://doi.org/10.5281/zenodo.7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">Figs 609, 611, 613</figureCitation>
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). Internally, the raphe is curved with simple proximal and distal ends that are slightly elevated within a depression formed by the longitudinal canal (
|
||
<figureCitation id="13162A71FF86261ABCADFDD9B9CB726C" box="[212,431,590,616]" captionStart="FIGURES 614–618" captionStartId="91.[136,243,1718,1740]" captionTargetBox="[151,1433,194,1693]" captionTargetId="figure-19@91.[150,1434,193,1694]" captionTargetPageId="91" captionText="FIGURES 614–618. Diploneis limosa sp. nov., SEM internal valve views, Lake Mweru Wantipa. 614. View of a whole valve. 615. Close view of the alveoli occluded by thin silica layers. 616. Half-valve, showing the slightly elevated proximal and distal raphe ends. 617. Central area with proximal raphe ends. 618. Close view of the simple and slightly elevated proximal raphe ends. Scale bars = 5 μm (Fig. 614), 2 μm (Figs 616, 617), 1 μm (Figs 615, 618)." figureDoi="http://doi.org/10.5281/zenodo.7875276" httpUri="https://zenodo.org/record/7875276/files/figure.png" pageId="88" pageNumber="89">Figs 614, 616–618</figureCitation>
|
||
). The striae are parallel at mid-valve changing to radiate towards the apices,
|
||
<quantity id="4CD59B11FF86261AB95BFDD9BDE3726C" box="[1314,1415,590,616]" metricMagnitude="-1" metricUnit="m" metricValue="3.302" metricValueMax="3.556" metricValueMin="3.048" pageId="88" pageNumber="89" unit="in" value="13.0" valueMax="14.0" valueMin="12.0">12–14 in</quantity>
|
||
10 μm. Striae are uniseriate becoming biseriate towards the valve margins (
|
||
<figureCitation id="13162A71FF86261ABFC0FDE5BC787288" box="[953,1052,626,652]" captionStart="FIGURES 609–613" captionStartId="90.[136,243,1637,1659]" captionTargetBox="[151,1433,194,1611]" captionTargetId="figure-24@90.[150,1434,193,1613]" captionTargetPageId="90" captionText="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi="http://doi.org/10.5281/zenodo.7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">Fig. 612</figureCitation>
|
||
). The striae are composed of round recessed areolae covered externally with fine pored cribra (15–40 poroids),
|
||
<quantity id="4CD59B11FF86261ABF9BFD01BC2272B4" box="[994,1094,662,689]" metricMagnitude="-1" metricUnit="m" metricValue="4.445" metricValueMax="5.08" metricValueMin="3.81" pageId="88" pageNumber="89" unit="in" value="17.5" valueMax="20.0" valueMin="15.0">15–20 in</quantity>
|
||
10 μm. The areolae increase in size towards the valve margins (
|
||
<figureCitation id="13162A71FF86261ABD93FD2DBAD872D0" box="[490,700,698,724]" captionStart="FIGURES 609–613" captionStartId="90.[136,243,1637,1659]" captionTargetBox="[151,1433,194,1611]" captionTargetId="figure-24@90.[150,1434,193,1613]" captionTargetPageId="90" captionText="FIGURES 609–613. Diploneis limosa sp. nov., SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613)." figureDoi="http://doi.org/10.5281/zenodo.7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="88" pageNumber="89">Figs 609, 611, 612</figureCitation>
|
||
). Internally, the alveoli open via a single elongated opening covered with a thin silica layer (
|
||
<figureCitation id="13162A71FF86261ABDE9FD49B99772FD" box="[400,499,734,761]" captionStart="FIGURES 614–618" captionStartId="91.[136,243,1718,1740]" captionTargetBox="[151,1433,194,1693]" captionTargetId="figure-19@91.[150,1434,193,1694]" captionTargetPageId="91" captionText="FIGURES 614–618. Diploneis limosa sp. nov., SEM internal valve views, Lake Mweru Wantipa. 614. View of a whole valve. 615. Close view of the alveoli occluded by thin silica layers. 616. Half-valve, showing the slightly elevated proximal and distal raphe ends. 617. Central area with proximal raphe ends. 618. Close view of the simple and slightly elevated proximal raphe ends. Scale bars = 5 μm (Fig. 614), 2 μm (Figs 616, 617), 1 μm (Figs 615, 618)." figureDoi="http://doi.org/10.5281/zenodo.7875276" httpUri="https://zenodo.org/record/7875276/files/figure.png" pageId="88" pageNumber="89">Fig. 615</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C337657FFF86261ABCC4FC95BC2D73D4" pageId="88" pageNumber="89" type="materials_examined">
|
||
<paragraph id="8B9236F4FF86261ABCC4FC95BA01738C" blockId="88.[136,1452,230,1265]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FC95B97A7318" bold="true" box="[189,286,770,796]" pageId="88" pageNumber="89">Type:—</emphasis>
|
||
<materialsCitation id="3B453CA9FF86261ABD64FC95BA427361" ID-GBIF-Occurrence="4097203316" collectingDate="2021-10-03" collectorName="E. Jovanovska & Z. Levkov" country="Zambia" elevation="934" latitude="-8.559222" location="Lake Mweru Wantipa" longLatPrecision="1" longitude="29.93761" pageId="88" pageNumber="89" specimenCode="BM-108974" specimenCount="1" typeStatus="holotype">
|
||
<collectingCountry id="F33A7664FF86261ABD64FC95BA2E7318" box="[285,586,770,796]" name="Zambia" pageId="88" pageNumber="89">REPUBLIC OF ZAMBIA</collectingCountry>
|
||
,
|
||
<location id="8EF2602FFF86261ABE2FFC95BB2B7318" LSID="urn:lsid:plazi:treatment:038487E2FF86261EBCF1FF09B92472B4:8EF2602FFF86261ABE2FFC95BB2B7318" box="[598,847,770,797]" country="Zambia" latitude="-8.559222" longLatPrecision="1" longitude="29.93761" name="Lake Mweru Wantipa" pageId="88" pageNumber="89">Lake Mweru Wantipa</location>
|
||
, at
|
||
<quantity id="4CD59B11FF86261ABF0EFC95BBDB7319" box="[887,959,770,797]" metricMagnitude="2" metricUnit="m" metricValue="9.34" pageId="88" pageNumber="89" unit="m" value="934.0">
|
||
<elevation id="0000D1C7FF86261ABF0EFC95BBDB7319" box="[887,959,770,797]" metricMagnitude="2" metricUnit="m" metricValue="9.34" pageId="88" pageNumber="89" unit="m" value="934.0">934 m</elevation>
|
||
</quantity>
|
||
elevation; floating plant roots,
|
||
<quantity id="4CD59B11FF86261AB95DFC95BD017319" box="[1316,1381,770,797]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="88" pageNumber="89" unit="m" value="0.1">
|
||
<elevation id="0000D1C7FF86261AB95DFC95BD017319" box="[1316,1381,770,797]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="88" pageNumber="89" unit="m" value="0.1">0.1 m</elevation>
|
||
</quantity>
|
||
water depth,
|
||
<geoCoordinate id="EE195033FF86261ABCACFCB1B90D7344" box="[213,361,806,832]" degrees="8" direction="south" minutes="33" orientation="latitude" pageId="88" pageNumber="89" precision="1" seconds="33.2" value="-8.559222">8°33’33.2” S</geoCoordinate>
|
||
<geoCoordinate id="EE195033FF86261ABD09FCB1BA717345" box="[368,533,806,833]" degrees="29" direction="east" minutes="56" orientation="longitude" pageId="88" pageNumber="89" precision="1" seconds="15.4" value="29.93761">29°56’15.4” E</geoCoordinate>
|
||
,
|
||
<emphasis id="B959EAE6FF86261ABE5BFCB0BB337344" box="[546,855,806,833]" italics="true" pageId="88" pageNumber="89">
|
||
<collectorName id="26D85322FF86261ABE5BFCB0BAA17344" box="[546,709,806,832]" pageId="88" pageNumber="89">E. Jovanovska</collectorName>
|
||
&
|
||
<collectorName id="26D85322FF86261ABE93FCB0BB337344" box="[746,855,806,832]" pageId="88" pageNumber="89">Z. Levkov</collectorName>
|
||
</emphasis>
|
||
,
|
||
<emphasis id="B959EAE6FF86261ABF1FFCB1BC427344" box="[870,1062,806,832]" italics="true" pageId="88" pageNumber="89">
|
||
<date id="FF931034FF86261ABF1FFCB1BC427344" box="[870,1062,806,832]" pageId="88" pageNumber="89" value="2021-10-03">
|
||
<collectingDate id="EFD7E9DCFF86261ABF1FFCB1BC427344" box="[870,1062,806,832]" pageId="88" pageNumber="89" value="2021-10-03">
|
||
3
|
||
<superScript id="7C589BBCFF86261ABF0DFCB1BBE67330" attach="left" box="[884,898,806,820]" fontSize="6" pageId="88" pageNumber="89">rd</superScript>
|
||
October 2021
|
||
</collectingDate>
|
||
</date>
|
||
</emphasis>
|
||
(
|
||
<typeStatus id="54968856FF86261AB84CFCB1BCFD7344" box="[1077,1177,806,832]" pageId="88" pageNumber="89" type="holotype">holotype</typeStatus>
|
||
designated here, circled specimen BM-108974! =
|
||
<figureCitation id="13162A71FF86261ABDC5FCDDBA467361" box="[444,546,842,869]" captionStart="FIGURES 582–608" captionStartId="89.[136,243,1495,1517]" captionTargetBox="[151,1433,194,1469]" captionTargetId="figure-18@89.[150,1434,193,1471]" captionTargetPageId="89" captionText="FIGURES 582–608. Diploneis limosa sp. nov., LM valve views.All individuals displayed from the type material, Lake Mweru Wantipa. Fig. 583. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875272" httpUri="https://zenodo.org/record/7875272/files/figure.png" pageId="88" pageNumber="89">Fig. 583</figureCitation>
|
||
,
|
||
</materialsCitation>
|
||
<materialsCitation id="3B453CA9FF86261ABE4DFCDDBA01738C" ID-GBIF-Occurrence="4097203329" collectingDate="2021-10-03" collectionCode="ANSP-GC" collectorName="E. Jovanovska & Z. Levkov" country="Zambia" elevation="934" latitude="-8.559222" location="Lake Mweru Wantipa" longLatPrecision="1" longitude="29.93761" pageId="88" pageNumber="89" specimenCode="ANSP-GC17203" specimenCount="1" typeStatus="isotype">
|
||
isotypes
|
||
<specimenCode id="DB8B9E8FFF86261ABEE2FCDDBB067360" box="[667,866,842,868]" collectionCode="ANSP-GC" pageId="88" pageNumber="89">ANSP-GC17203</specimenCode>
|
||
!, CANA-129327!). Type material CANA-129327. Registration: http://phycobank.org/103712
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph id="8B9236F4FF86261ABCC4FC05BCCC73A8" blockId="88.[136,1452,230,1265]" box="[189,1192,914,941]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FC05BA0373A8" bold="true" box="[189,615,914,940]" pageId="88" pageNumber="89">Pictures of the isolated specimen:—</emphasis>
|
||
LM micrograph on 1000× magnification (
|
||
<figureCitation id="13162A71FF86261AB844FC05BCFF73A8" box="[1085,1179,914,940]" 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="88" pageNumber="89">Fig. S3r</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9236F4FF86261ABCC4FC21BC2D73D4" blockId="88.[136,1452,230,1265]" box="[189,1097,950,977]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FC21B9EB73D4" bold="true" box="[189,399,950,976]" pageId="88" pageNumber="89">Sequence data:—</emphasis>
|
||
Plastid gene
|
||
<emphasis id="B959EAE6FF86261ABE67FC21BA2773D4" box="[542,579,950,976]" italics="true" pageId="88" pageNumber="89">rbc</emphasis>
|
||
L sequence (GenBank accession:
|
||
<collectionCode id="ED3CAE31FF86261ABFC5FC21BB8273D4" box="[956,998,950,976]" pageId="88" pageNumber="89">OQ</collectionCode>
|
||
660298).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C337657FFF86261ABCC4FC4DB919741C" pageId="88" pageNumber="89" type="etymology">
|
||
<paragraph id="8B9236F4FF86261ABCC4FC4DB919741C" blockId="88.[136,1452,230,1265]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FC4DB90073F0" bold="true" box="[189,356,986,1012]" pageId="88" pageNumber="89">Etymology:—</emphasis>
|
||
The specific epithet ‘
|
||
<taxonomicName id="4C2D4D77FF86261ABE37FC4DBAFD73F0" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[590,665,986,1012]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="88" pageNumber="89" phylum="Bacillariophyta" rank="species" species="limosa">
|
||
<emphasis id="B959EAE6FF86261ABE37FC4DBAFD73F0" box="[590,665,986,1012]" italics="true" pageId="88" pageNumber="89">limosa</emphasis>
|
||
</taxonomicName>
|
||
’ refers to Lake Mweru Wantipa or ‘muddy lake’ where the species was originally discovered.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C337657FFF86261EBCC4FBB5B92472B4" lastPageId="92" lastPageNumber="93" pageId="88" pageNumber="89" type="biology_ecology">
|
||
<paragraph id="8B9236F4FF86261ABCC4FBB5BC087480" blockId="88.[136,1452,230,1265]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FBB5BA767438" bold="true" box="[189,530,1058,1084]" pageId="88" pageNumber="89">Ecology and distribution:—</emphasis>
|
||
This species has only been observed in Lake Mweru-Wantipa, where the pH is neutral (7.3), the conductivity is high (1114 μS̔
|
||
<superScript id="7C589BBCFF86261ABEEEFBDFBAAE7450" attach="left" box="[663,714,1094,1123]" fontSize="6" pageId="88" pageNumber="89">cm-1</superScript>
|
||
), and the transparency of the water is very low. This was the only
|
||
<taxonomicName id="4C2D4D77FF86261ABCF1FBFDB9297480" box="[136,333,1130,1156]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCF1FBFDB8917480" box="[136,245,1130,1156]" italics="true" pageId="88" pageNumber="89">Diploneis</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
we found in the samples from the lake, and it was extremely abundant.
|
||
</paragraph>
|
||
<paragraph id="8B9236F4FF86261ABCC4FB19B8B074C8" blockId="88.[136,1452,230,1265]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FB19BA5E74AC" bold="true" box="[189,570,1166,1192]" pageId="88" pageNumber="89">Main differential characters:—</emphasis>
|
||
Valve size and shape, striae pattern, striae density, and poroids up to 40 per areola.
|
||
</paragraph>
|
||
<paragraph id="8B9236F4FF86261ABCC4FB41BB4274F5" blockId="88.[136,1452,230,1265]" box="[189,806,1238,1265]" pageId="88" pageNumber="89">
|
||
<emphasis id="B959EAE6FF86261ABCC4FB41B9F074F4" bold="true" box="[189,404,1238,1264]" pageId="88" pageNumber="89">Similar species:—</emphasis>
|
||
<taxonomicName id="4C2D4D77FF86261ABDEDFB41BA3A74F4" authorityName="Reichardt & Lange-Bertalot" authorityYear="2004" box="[404,606,1238,1264]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="88" pageNumber="89" phylum="Bacillariophyta" rank="species" species="fontium">
|
||
<emphasis id="B959EAE6FF86261ABDEDFB41BA3A74F4" box="[404,606,1238,1264]" italics="true" pageId="88" pageNumber="89">Diploneis fontium</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C2D4D77FF86261ABEEDFB40BB7A74F4" authorityName="Lange-Bertalot & Fuhrmann" authorityYear="2020" box="[660,798,1238,1264]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="88" pageNumber="89" phylum="Bacillariophyta" rank="species" species="calcifuga">
|
||
<emphasis id="B959EAE6FF86261ABEEDFB40BB7A74F4" box="[660,798,1238,1264]" italics="true" pageId="88" pageNumber="89">D. calcifuga</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="DF52667CFF87261BBCF1FA40BA057615" ID-DOI="http://doi.org/10.5281/zenodo.7875272" ID-Zenodo-Dep="7875272" httpUri="https://zenodo.org/record/7875272/files/figure.png" pageId="89" pageNumber="90" startId="89.[136,243,1495,1517]" targetBox="[151,1433,194,1469]" targetPageId="89" targetType="figure">
|
||
<paragraph id="8B9236F4FF87261BBCF1FA40BA057615" blockId="89.[136,1453,1495,1553]" pageId="89" pageNumber="90">
|
||
<emphasis id="B959EAE6FF87261BBCF1FA40B93675E8" bold="true" box="[136,338,1495,1517]" pageId="89" pageNumber="90">FIGURES 582–608.</emphasis>
|
||
<emphasis id="B959EAE6FF87261BBD20FA40BA2F75E9" box="[345,587,1495,1517]" italics="true" pageId="89" pageNumber="90">
|
||
<taxonomicName id="4C2D4D77FF87261BBD20FA40B99875E8" authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[345,508,1495,1516]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="89" pageNumber="90" phylum="Bacillariophyta" rank="species" species="limosa" status="sp. nov.">Diploneis limosa</taxonomicName>
|
||
<taxonomicNameLabel id="A26A579DFF87261BBE7BFA4FBA2F75E9" box="[514,587,1496,1517]" pageId="89" pageNumber="90" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, LM valve views. All individuals displayed from the type material, Lake Mweru Wantipa. Fig. 583. Holotype specimen. Scale bar = 10 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF52667CFF842618BCF1F9F2BAC576E3" ID-DOI="http://doi.org/10.5281/zenodo.7875274" ID-Zenodo-Dep="7875274" httpUri="https://zenodo.org/record/7875274/files/figure.png" pageId="90" pageNumber="91" startId="90.[136,243,1637,1659]" targetBox="[151,1433,194,1611]" targetPageId="90" targetType="figure">
|
||
<paragraph id="8B9236F4FF842618BCF1F9F2BAC576E3" blockId="90.[136,1452,1637,1767]" pageId="90" pageNumber="91">
|
||
<emphasis id="B959EAE6FF842618BCF1F9F2B928767E" bold="true" box="[136,332,1637,1659]" pageId="90" pageNumber="91">FIGURES 609–613</emphasis>
|
||
.
|
||
<emphasis id="B959EAE6FF842618BD2EF9F2BA23767F" box="[343,583,1637,1659]" italics="true" pageId="90" pageNumber="91">
|
||
<taxonomicName id="4C2D4D77FF842618BD2EF9F2B99D767E" authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[343,505,1637,1658]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="90" pageNumber="91" phylum="Bacillariophyta" rank="species" species="limosa" status="sp. nov.">Diploneis limosa</taxonomicName>
|
||
<taxonomicNameLabel id="A26A579DFF842618BD86F9F1BA23767F" box="[511,583,1638,1659]" pageId="90" pageNumber="91" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, SEM external valve views, Lake Mweru Wantipa. 609, 611. View of a whole frustule. 610. Detail mid-valve, showing teardrop shaped depression with proximal raphe ends bent to the same side of the valve. 612. Close view of uniseriate becoming biseriate striae pattern. 613. Detail valve apices, showing the distal raphe ends with deflected terminal fissures. Scale bars = 5 μm (Figs 609, 611), 2 μm (Figs 610, 612, 613).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF52667CFF852619BCF1F921BA0D773C" ID-DOI="http://doi.org/10.5281/zenodo.7875276" ID-Zenodo-Dep="7875276" httpUri="https://zenodo.org/record/7875276/files/figure.png" pageId="91" pageNumber="92" startId="91.[136,243,1718,1740]" targetBox="[151,1433,194,1693]" targetPageId="91" targetType="figure">
|
||
<paragraph id="8B9236F4FF852619BCF1F921BA0D773C" blockId="91.[136,1452,1718,1848]" pageId="91" pageNumber="92">
|
||
<emphasis id="B959EAE6FF852619BCF1F921B92976CF" bold="true" box="[136,333,1718,1740]" pageId="91" pageNumber="92">FIGURES 614–618</emphasis>
|
||
.
|
||
<emphasis id="B959EAE6FF852619BD21F921BA2E76C8" box="[344,586,1718,1740]" italics="true" pageId="91" pageNumber="92">
|
||
<taxonomicName id="4C2D4D77FF852619BD21F921B99F76CF" authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[344,507,1718,1739]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="91" pageNumber="92" phylum="Bacillariophyta" rank="species" species="limosa" status="sp. nov.">Diploneis limosa</taxonomicName>
|
||
<taxonomicNameLabel id="A26A579DFF852619BE78F920BA2E76C8" box="[513,586,1719,1740]" pageId="91" pageNumber="92" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, SEM internal valve views, Lake Mweru Wantipa. 614. View of a whole valve. 615. Close view of the alveoli occluded by thin silica layers. 616. Half-valve, showing the slightly elevated proximal and distal raphe ends. 617. Central area with proximal raphe ends. 618. Close view of the simple and slightly elevated proximal raphe ends. Scale bars = 5 μm (Fig. 614), 2 μm (Figs 616, 617), 1 μm (Figs 615, 618).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9236F4FF82261EBCF1FF0AB9A470B3" blockId="92.[136,448,157,183]" box="[136,448,157,183]" pageId="92" pageNumber="93">
|
||
<emphasis id="B959EAE6FF82261EBCF1FF0AB9A470B3" bold="true" box="[136,448,157,183]" pageId="92" pageNumber="93">Phylogenetic relationships</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B9236F4FF82261EBCF1FF71B92472B4" blockId="92.[136,1452,230,688]" pageId="92" pageNumber="93">
|
||
ML and BI phylogenetic analyses on the single
|
||
<emphasis id="B959EAE6FF82261EBEE2FF71BAA47104" box="[667,704,230,256]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L and concatenated
|
||
<emphasis id="B959EAE6FF82261EBFE6FF71BBA07104" box="[927,964,230,256]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L+18S datasets revealed a nearly congruent topological pattern (
|
||
<figureCitation id="13162A71FF82261EBD11FE9DB9AA7120" box="[360,462,266,292]" captionStart="FIGURE 620" captionStartId="96.[136,229,1711,1733]" captionTargetBox="[173,1433,1062,1652]" captionTargetId="graphics-464@96.[155,1432,1037,1687]" captionTargetPageId="96" captionText="FIGURE 620. Molecular phylogeny of the genus Diploneis. (A) Maximum likelihood phylogeny based on rbcL chloroplast marker. (B) Maximum likelihood phylogeny based on chloroplast (rbcL) and nuclear (18S) markers. Grey branches denote outgroup taxa, light green marine and freshwater species outside East Africa, green species from the surrounding of Lake Tanganyika, dark green Tanganyika species, asterisks BI bootstrap postprobs (legend in figure). Colored symbols next to each Tanganyika species correspond to the analyzed species for the landmarks in the biplot from Fig. 619." figureDoi="http://doi.org/10.5281/zenodo.7875280" httpUri="https://zenodo.org/record/7875280/files/figure.png" pageId="92" pageNumber="93">Figs 620</figureCitation>
|
||
, S
|
||
<figureCitation id="13162A71FF82261EBD90FE9DB99C7121" box="[489,504,266,293]" 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="92" pageNumber="93">5</figureCitation>
|
||
). The concatenated dataset yielded higher support for basal nodes than those inferred from the single locus dataset in both phylogenies. The two phylogenetic analyses supported monophyly of East African taxa with two distinct and well-supported clades, of which one clade included species from Lake Tanganyika (BS = 94 %, BPP = 1 for
|
||
<emphasis id="B959EAE6FF82261EBD11FEE1B9E97194" box="[360,397,374,400]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L; BS = 93 %, BPP = 0.99 for
|
||
<emphasis id="B959EAE6FF82261EBE8FFEE1BB7F7194" box="[758,795,374,400]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L+18S) and
|
||
<taxonomicName id="4C2D4D77FF82261EBFD2FEE1BC087194" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[939,1132,374,400]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="92" pageNumber="93" phylum="Bacillariophyta" rank="species" species="limosa">
|
||
<emphasis id="B959EAE6FF82261EBFD2FEE1BC087194" box="[939,1132,374,400]" italics="true" pageId="92" pageNumber="93">Diploneis limosa</emphasis>
|
||
</taxonomicName>
|
||
from Lake Mweru Wantipa as sister with 95 % BS support for both
|
||
<emphasis id="B959EAE6FF82261EBE26FE0DBAE071B0" box="[607,644,410,436]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L and
|
||
<emphasis id="B959EAE6FF82261EBEA9FE0DBA9171B0" box="[720,757,410,436]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L+18S (
|
||
<figureCitation id="13162A71FF82261EBF2AFE0DBBDD71B0" box="[851,953,410,436]" captionStart="FIGURE 620" captionStartId="96.[136,229,1711,1733]" captionTargetBox="[173,1433,1062,1652]" captionTargetId="graphics-464@96.[155,1432,1037,1687]" captionTargetPageId="96" captionText="FIGURE 620. Molecular phylogeny of the genus Diploneis. (A) Maximum likelihood phylogeny based on rbcL chloroplast marker. (B) Maximum likelihood phylogeny based on chloroplast (rbcL) and nuclear (18S) markers. Grey branches denote outgroup taxa, light green marine and freshwater species outside East Africa, green species from the surrounding of Lake Tanganyika, dark green Tanganyika species, asterisks BI bootstrap postprobs (legend in figure). Colored symbols next to each Tanganyika species correspond to the analyzed species for the landmarks in the biplot from Fig. 619." figureDoi="http://doi.org/10.5281/zenodo.7875280" httpUri="https://zenodo.org/record/7875280/files/figure.png" pageId="92" pageNumber="93">Fig. 620</figureCitation>
|
||
). Within the Tanganyika clade, two entities remained unidentified, listed herein as
|
||
<taxonomicName id="4C2D4D77FF82261EBE38FE29BA8F71DC" box="[577,747,446,472]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" kingdom="Chromista" order="Naviculales" pageId="92" pageNumber="93" phylum="Bacillariophyta" rank="species" species="undefined-1">
|
||
<emphasis id="B959EAE6FF82261EBE38FE29BACA71DC" box="[577,686,446,472]" italics="true" pageId="92" pageNumber="93">Diploneis</emphasis>
|
||
sp. 1
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C2D4D77FF82261EBF5DFE29BBAB71DC" box="[804,975,446,472]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" kingdom="Chromista" order="Naviculales" pageId="92" pageNumber="93" phylum="Bacillariophyta" rank="species" species="undefined-2">
|
||
<emphasis id="B959EAE6FF82261EBF5DFE29BBF571DC" box="[804,913,446,472]" italics="true" pageId="92" pageNumber="93">Diploneis</emphasis>
|
||
sp. 2
|
||
</taxonomicName>
|
||
(see
|
||
<tableCitation id="C6AF034FFF82261EB872FE29BC1471DC" box="[1035,1136,446,472]" 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="92" pageNumber="93" tableUuid="DF52667CFFD82644BCF1FF08BD2D70FC">Table S1</tableCitation>
|
||
). The second clade consists of two species from Mulungushi River (BS = 73 %, BPP = 0.99 for
|
||
<emphasis id="B959EAE6FF82261EBFE2FE75BBA471F8" box="[923,960,482,508]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L; BS = 81 %; BPP = 0.99 for
|
||
<emphasis id="B959EAE6FF82261EB950FE75BD2A71F8" box="[1321,1358,482,508]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L+18S). Support values within the Tanganyika clade and clade relationships are low in both analyses, but especially so in the ML analysis (BS <69 %). Therefore, neither BI nor ML support the morphological grouping of species based on valve outline and striae pattern, possibly due to low genetic coverage or genetic variation in both,
|
||
<emphasis id="B959EAE6FF82261EB8D8FDD9BCA2726C" box="[1185,1222,590,616]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L and 18S, markers. All lineages differ by 0.05 nucleotide substitutions per site (overall mean
|
||
<emphasis id="B959EAE6FF82261EBFC0FDE4BBA37288" box="[953,967,627,652]" italics="true" pageId="92" pageNumber="93">p</emphasis>
|
||
-distance) when assuming uniform rates for
|
||
<emphasis id="B959EAE6FF82261EBCF1FD01B8C972B4" box="[136,173,662,688]" italics="true" pageId="92" pageNumber="93">rbc</emphasis>
|
||
L (Table S4).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |