256 lines
38 KiB
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256 lines
38 KiB
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<document ID-DOI="10.11646/phytotaxa.593.1.1" ID-GBIF-Dataset="ef558f00-24a4-4671-bf56-df3c1d61ecd1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7875089" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="tatiana" IM.metadata_approvedBy="tatiana" IM.tables_approvedBy="tatiana" IM.taxonomicNames_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1682061103176" checkinUser="plazi" docAuthor="Jovanovska, Elena, Wilson, Mallory C., Hamilton, Paul B. & Stone, Jeffery" docDate="2023" docId="038487E2FFF42668BCF1FF09BC337587" 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 lunata Jovanovska & Wilson & Hamilton & Stone 2023, sp. nov." docType="treatment" docVersion="4" lastPageNumber="43" 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="43" updateTime="1683016984500" updateUser="tatiana">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>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:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Jovanovska, Elena</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-3413-3683</mods:nameIdentifier>
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<mods:affiliation>Department of Paleoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany & jovanovska. eci @ gmail. com; https: // orcid. org / 0000 - 0002 - 3413 - 3683</mods:affiliation>
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<mods:nameIdentifier type="email">jovanovska.eci@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>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:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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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:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods: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:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>Phytotaxa</mods:title>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-04-21</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>593</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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<mods:start>1</mods:start>
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<mods:end>102</mods:end>
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<mods:location>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.593.1.1</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.593.1.1</mods:identifier>
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<mods:identifier type="GBIF-Dataset">ef558f00-24a4-4671-bf56-df3c1d61ecd1</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7875151" ID-Zenodo-Dep="7875151" LSID="urn:lsid:plazi:treatment:038487E2FFF42668BCF1FF09BC337587" httpUri="http://treatment.plazi.org/id/038487E2FFF42668BCF1FF09BC337587" lastPageNumber="43" pageId="42" pageNumber="43">
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<subSubSection pageId="42" pageNumber="43" type="nomenclature">
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<paragraph blockId="42.[136,880,158,185]" box="[136,880,158,185]" pageId="42" pageNumber="43">
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<heading box="[136,880,158,185]" fontSize="11" level="2" pageId="42" pageNumber="43" reason="5">
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<emphasis box="[136,420,158,185]" italics="true" pageId="42" pageNumber="43">
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<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[136,329,158,185]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="lunata" status="sp. nov.">
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<emphasis bold="true" box="[136,329,158,185]" italics="true" pageId="42" pageNumber="43">Diploneis lunata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[335,420,159,184]" pageId="42" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(LM
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<figureCitation box="[485,641,158,185]" captionStart="FIGURES 193–205" captionStartId="43.[136,243,1649,1671]" captionTargetBox="[151,1433,194,1623]" captionTargetId="figure-18@43.[150,1434,193,1625]" captionTargetPageId="43" captionText="FIGURES 193–205. Diploneis lunata sp. nov., LM valve views, Lake Tanganyika. 193. Specimen from Kalya Bay. 194, 196. Specimens from Mahale National Park. 195, 197, 199–205. Specimens from Kiganza Bay. 198. Specimen from Jakobsen Beach. Fig. 197. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875179" httpUri="https://zenodo.org/record/7875179/files/figure.png" pageId="42" pageNumber="43">Figs 193–205</figureCitation>
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, SEM
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<figureCitation box="[717,872,158,184]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 206–213</figureCitation>
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)
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</heading>
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</paragraph>
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<paragraph blockId="42.[136,1452,223,1412]" pageId="42" pageNumber="43">
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Valves are weakly asymmetric, linear-elliptic with parallel to weakly convex margins and round apices (
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<figureCitation box="[1282,1439,223,249]" captionStart-0="FIGURES 193–205" captionStart-1="FIGURES 206–213" captionStartId-0="43.[136,243,1649,1671]" captionStartId-1="44.[136,243,1886,1908]" captionTargetBox-0="[151,1433,194,1623]" captionTargetBox-1="[228,1360,193,1859]" captionTargetId-0="figure-18@43.[150,1434,193,1625]" captionTargetId-1="figure-24@44.[226,1361,191,1860]" captionTargetPageId-0="43" captionTargetPageId-1="44" captionText-0="FIGURES 193–205. Diploneis lunata sp. nov., LM valve views, Lake Tanganyika. 193. Specimen from Kalya Bay. 194, 196. Specimens from Mahale National Park. 195, 197, 199–205. Specimens from Kiganza Bay. 198. Specimen from Jakobsen Beach. Fig. 197. Holotype specimen. Scale bar = 10 μm." captionText-1="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi-0="http://doi.org/10.5281/zenodo.7875179" figureDoi-1="http://doi.org/10.5281/zenodo.7875181" httpUri-0="https://zenodo.org/record/7875179/files/figure.png" httpUri-1="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 193–206</figureCitation>
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). Valve length is 26.5–55 μm and valve width is 16–25 μm. The axial area is narrow, lanceolate, slightly expanding into a longitudinally elongate and weakly asymmetric central area (
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<figureCitation box="[814,913,293,320]" captionStart="FIGURES 193–205" captionStartId="43.[136,243,1649,1671]" captionTargetBox="[151,1433,194,1623]" captionTargetId="figure-18@43.[150,1434,193,1625]" captionTargetPageId="43" captionText="FIGURES 193–205. Diploneis lunata sp. nov., LM valve views, Lake Tanganyika. 193. Specimen from Kalya Bay. 194, 196. Specimens from Mahale National Park. 195, 197, 199–205. Specimens from Kiganza Bay. 198. Specimen from Jakobsen Beach. Fig. 197. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875179" httpUri="https://zenodo.org/record/7875179/files/figure.png" pageId="42" pageNumber="43">Figs 195</figureCitation>
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,
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<figureCitation box="[925,1026,293,319]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">206, 207</figureCitation>
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), 2.8–4 μm wide. Externally, the canal is lanceolate, slightly expanded in the middle of the valve with three rows of large cribrate (ca. 10 poroids) areolae narrowing into two to one at the valve apices (
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<figureCitation box="[652,812,363,390]" captionStart-0="FIGURES 193–205" captionStart-1="FIGURES 206–213" captionStartId-0="43.[136,243,1649,1671]" captionStartId-1="44.[136,243,1886,1908]" captionTargetBox-0="[151,1433,194,1623]" captionTargetBox-1="[228,1360,193,1859]" captionTargetId-0="figure-18@43.[150,1434,193,1625]" captionTargetId-1="figure-24@44.[226,1361,191,1860]" captionTargetPageId-0="43" captionTargetPageId-1="44" captionText-0="FIGURES 193–205. Diploneis lunata sp. nov., LM valve views, Lake Tanganyika. 193. Specimen from Kalya Bay. 194, 196. Specimens from Mahale National Park. 195, 197, 199–205. Specimens from Kiganza Bay. 198. Specimen from Jakobsen Beach. Fig. 197. Holotype specimen. Scale bar = 10 μm." captionText-1="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi-0="http://doi.org/10.5281/zenodo.7875179" figureDoi-1="http://doi.org/10.5281/zenodo.7875181" httpUri-0="https://zenodo.org/record/7875179/files/figure.png" httpUri-1="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 193–208</figureCitation>
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). Internally, a thick non-porous slightly raised silica plate encloses the longitudinal canal (
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<figureCitation box="[501,602,399,425]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Fig. 210</figureCitation>
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). Externally, the raphe is filiform, curved with deflected teardrop proximal ends; the raphe ends are positioned within an elongated teardrop depression (
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<figureCitation box="[996,1154,434,460]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 206, 207</figureCitation>
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). The distal raphe ends are unilaterally bent to the same side and terminate on the valve face (
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<figureCitation box="[881,1040,469,495]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 206, 208</figureCitation>
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). Internally, the raphe is curved with simple proximal and distal ends that are slightly elevated in a depression formed by the longitudinal canal (
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<figureCitation captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 210– 212</figureCitation>
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). The striae are parallel at mid-valve changing to radiate towards the apices,
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10 μm. Striae are uniseriate becoming biseriate towards the valve margins (
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<figureCitation box="[659,816,575,601]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 206, 209</figureCitation>
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). The striae are composed of round to rectangular areolae covered externally with cribra (15–25 poroids),
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<quantity box="[684,785,610,637]" metricMagnitude="-1" metricUnit="m" metricValue="3.429" metricValueMax="3.81" metricValueMin="3.048" pageId="42" pageNumber="43" unit="in" value="13.5" valueMax="15.0" valueMin="12.0">12–15 in</quantity>
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10 μm. The inter-areolar thickenings have transapical and longitudinal fin-like silica ridges serrated with ca. 5–8 notched edges. The canal ridges are slightly bent into a semi-circular shape. The areolae increase in size towards the valve margins (
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<figureCitation box="[932,1091,680,706]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Figs 206, 208</figureCitation>
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). Internally, the alveoli open via a single elongated opening covered with a thin silica layer (
|
||
<figureCitation box="[802,901,715,742]" captionStart="FIGURES 206–213" captionStartId="44.[136,243,1886,1908]" captionTargetBox="[228,1360,193,1859]" captionTargetId="figure-24@44.[226,1361,191,1860]" captionTargetPageId="44" captionText="FIGURES 206–213. Diploneis lunata sp. nov., SEM external (Figs 206–209) and internal (Figs 210–213) valve views, Lake Tanganyika, Kiganza Bay. 206. View of a whole valve. 207. Central area with teardrop shaped proximal raphe ends. 208. Distal raphe ends with deflected terminal fissures. 209. Broken valve, showing the chambered wall structure. 210. View of a whole valve. 211. Central area with simple and slightly elevated proximal raphe ends. 212. Distal raphe endings slightly elevated and distant from the valve apices. 213. Detail alveoli openings covered by thin silica layers. Scale bars = 5 μm (Figs 206, 210), 2 μm (Figs 209, 211), 1 μm (Figs 207, 208, 212, 213)." figureDoi="http://doi.org/10.5281/zenodo.7875181" httpUri="https://zenodo.org/record/7875181/files/figure.png" pageId="42" pageNumber="43">Fig. 213</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="42" pageNumber="43" type="materials_examined">
|
||
<paragraph blockId="42.[136,1452,223,1412]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,286,751,777]" pageId="42" pageNumber="43">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2019-07-08" collectionCode="BM" collectorName="A. Indermaur" country="Tanzania" county="Gombe National Park" elevation="768" latitude="-4.7958055" location="Lake Tanganyika" longLatPrecision="1" longitude="29.599335" municipality="Kiganza Bay" pageId="42" pageNumber="43" specimenCode="BM-108988" specimenCount="1" typeStatus="holotype">
|
||
<collectingCountry box="[285,731,751,777]" name="Tanzania" pageId="42" pageNumber="43">UNITED REPUBLIC OF TANZANIA</collectingCountry>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:038487E2FFF42668BCF1FF09BC337587:8EF2602FFFF42668BE90FD78BBCA730D" box="[745,942,751,777]" country="Tanzania" county="Gombe National Park" latitude="-4.7958055" longLatPrecision="1" longitude="29.599335" municipality="Kiganza Bay" name="Lake Tanganyika" pageId="42" pageNumber="43">Lake Tanganyika</location>
|
||
,
|
||
<collectingMunicipality box="[955,1102,751,777]" pageId="42" pageNumber="43">Kiganza Bay</collectingMunicipality>
|
||
near
|
||
<collectingCounty box="[1168,1418,751,777]" pageId="42" pageNumber="43">Gombe National Park</collectingCounty>
|
||
, at
|
||
<quantity box="[136,209,786,812]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="42" pageNumber="43" unit="m" value="768.0">
|
||
<elevation box="[136,209,786,812]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="42" pageNumber="43" unit="m" value="768.0">768 m</elevation>
|
||
</quantity>
|
||
elevation; sand,
|
||
<quantity box="[405,464,786,812]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="42" pageNumber="43" unit="m" value="12.0">
|
||
<elevation box="[405,464,786,812]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="42" pageNumber="43" unit="m" value="12.0">12 m</elevation>
|
||
</quantity>
|
||
water depth, collected
|
||
<collectionCode box="[732,824,786,812]" pageId="42" pageNumber="43">SCUBA</collectionCode>
|
||
diving,
|
||
<geoCoordinate box="[921,1070,786,812]" degrees="4" direction="south" minutes="47" orientation="latitude" pageId="42" pageNumber="43" precision="1" seconds="44.9" value="-4.7958055">4°47’44.9” S</geoCoordinate>
|
||
<geoCoordinate box="[1079,1245,786,813]" degrees="29" direction="east" minutes="35" orientation="longitude" pageId="42" pageNumber="43" precision="1" seconds="57.6" value="29.599335">29°35’57.6” E</geoCoordinate>
|
||
,
|
||
<emphasis italics="true" pageId="42" pageNumber="43">
|
||
<collectorName box="[1259,1412,786,812]" pageId="42" pageNumber="43">A. Indermaur</collectorName>
|
||
,
|
||
<date box="[1425,1439,786,812]" pageId="42" pageNumber="43" value="2019-07-08">
|
||
<collectingDate box="[1425,1439,786,812]" pageId="42" pageNumber="43" value="2019-07-08">8</collectingDate>
|
||
</date>
|
||
<superScript attach="none" box="[1439,1452,786,800]" fontSize="6" pageId="42" pageNumber="43">th</superScript>
|
||
July 2019
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[263,363,821,847]" pageId="42" pageNumber="43">holotype</typeStatus>
|
||
designated here, circled specimen BM-108988! =
|
||
<figureCitation box="[940,1036,821,847]" captionStart="FIGURES 193–205" captionStartId="43.[136,243,1649,1671]" captionTargetBox="[151,1433,194,1623]" captionTargetId="figure-18@43.[150,1434,193,1625]" captionTargetPageId="43" captionText="FIGURES 193–205. Diploneis lunata sp. nov., LM valve views, Lake Tanganyika. 193. Specimen from Kalya Bay. 194, 196. Specimens from Mahale National Park. 195, 197, 199–205. Specimens from Kiganza Bay. 198. Specimen from Jakobsen Beach. Fig. 197. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.7875179" httpUri="https://zenodo.org/record/7875179/files/figure.png" pageId="42" pageNumber="43">Fig. 197</figureCitation>
|
||
,
|
||
</materialsCitation>
|
||
<materialsCitation collectingDate="2019-07-08" collectionCode="SCUBA" collectorName="A. Indermaur" country="Tanzania" county="Gombe National Park" elevation="768" latitude="-4.7958055" location="Lake Tanganyika" longLatPrecision="1" longitude="29.599335" municipality="Kiganza Bay" pageId="42" pageNumber="43" specimenCode="ANSP-GC17217" specimenCount="1" typeStatus="isotype">
|
||
isotypes
|
||
<specimenCode box="[1148,1347,821,847]" collectionCode="ANSP-GC" pageId="42" pageNumber="43">ANSP-GC17217</specimenCode>
|
||
!, CANA-129319!). Type material CANA-129319. Registration: http://phycobank.org/103713
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph blockId="42.[136,1452,223,1412]" box="[189,1191,891,918]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,615,891,918]" pageId="42" pageNumber="43">Pictures of the isolated specimen:—</emphasis>
|
||
LM micrograph on 1000× magnification (
|
||
<figureCitation box="[1085,1178,891,917]" 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="42" pageNumber="43">Fig. S2i</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="42.[136,1452,223,1412]" box="[189,1097,926,953]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,399,926,953]" pageId="42" pageNumber="43">Sequence data:—</emphasis>
|
||
Plastid gene
|
||
<emphasis box="[542,579,927,953]" italics="true" pageId="42" pageNumber="43">rbc</emphasis>
|
||
L sequence (GenBank accession:
|
||
<collectionCode box="[956,998,927,953]" pageId="42" pageNumber="43">OQ</collectionCode>
|
||
660292).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="42" pageNumber="43" type="etymology">
|
||
<paragraph blockId="42.[136,1452,223,1412]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,356,962,988]" pageId="42" pageNumber="43">Etymology:—</emphasis>
|
||
The specific epithet ‘
|
||
<taxonomicName authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[595,667,962,988]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="lunata">
|
||
<emphasis box="[595,667,962,988]" italics="true" pageId="42" pageNumber="43">lunata</emphasis>
|
||
</taxonomicName>
|
||
’ refers to the crescent-shaped fin-like silica ridges in the canal region of the valve face.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="42" pageNumber="43" type="biology_ecology">
|
||
<paragraph blockId="42.[136,1452,223,1412]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,521,1032,1058]" pageId="42" pageNumber="43">Ecology and distribution:—</emphasis>
|
||
This species has only been observed along the Tanzanian coast of Lake Tanganyika. It is a very rare species in a few very narrow areas in the central and northern basins of the lake, mainly in Kiganza Bay and less so in Kalya Bay, Mahale National Park, and the Rukoma area (
|
||
<figureCitation box="[1014,1124,1103,1129]" 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="42" pageNumber="43">Fig. 1c–e</figureCitation>
|
||
). In the alkaline, moderately mineral-rich and highly transparent waters, it was found on the sandy stretches between 12 and
|
||
<quantity box="[1207,1264,1138,1164]" metricMagnitude="1" metricUnit="m" metricValue="3.3" pageId="42" pageNumber="43" unit="m" value="33.0">33 m</quantity>
|
||
water depth, but also on submerged rocks at Jakobsen Beach, where it was probably brought by water currents or turbidity.
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="lunata" status="sp. nov.">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Diploneis lunata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[215,302,1209,1235]" pageId="42" pageNumber="43" rank="species">
|
||
<emphasis box="[215,295,1209,1234]" italics="true" pageId="42" pageNumber="43">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
usually occurs together with
|
||
<emphasis box="[635,888,1208,1234]" italics="true" pageId="42" pageNumber="43">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[635,796,1208,1234]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="kilhamiana" status="sp. nov.">D. kilhamiana</taxonomicName>
|
||
<taxonomicNameLabel box="[803,888,1209,1234]" pageId="42" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[902,1167,1209,1234]" italics="true" pageId="42" pageNumber="43">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[902,1074,1209,1234]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="cocquytiana" status="sp. nov.">D. cocquytiana</taxonomicName>
|
||
<taxonomicNameLabel box="[1081,1167,1209,1234]" pageId="42" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis box="[1181,1445,1208,1234]" italics="true" pageId="42" pageNumber="43">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[1181,1352,1208,1234]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="tanganyikae" status="sp. nov.">D. tanganyikae</taxonomicName>
|
||
<taxonomicNameLabel box="[1360,1445,1209,1234]" pageId="42" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, and
|
||
<emphasis box="[183,412,1243,1269]" italics="true" pageId="42" pageNumber="43">
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[183,321,1243,1269]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="serrulata" status="sp. nov.">D. serrulata</taxonomicName>
|
||
<taxonomicNameLabel box="[327,412,1244,1269]" pageId="42" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="42.[136,1452,223,1412]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,560,1278,1305]" pageId="42" pageNumber="43">Main differential characters:—</emphasis>
|
||
Valve shape, striae pattern, striae density, external fin-like ornamentations across the valve, broad virgae, and poroids 15–25 per areola.
|
||
</paragraph>
|
||
<paragraph blockId="42.[136,1452,223,1412]" pageId="42" pageNumber="43">
|
||
<emphasis bold="true" box="[189,410,1349,1375]" pageId="42" pageNumber="43">Similar species:—</emphasis>
|
||
<taxonomicName authority="Jovanovska & Wilson & Hamilton & Stone, 2023" authorityName="Jovanovska & Wilson & Hamilton & Stone" authorityYear="2023" box="[410,590,1349,1375]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="fossa" status="sp. nov.">
|
||
<emphasis box="[410,590,1349,1375]" italics="true" pageId="42" pageNumber="43">Diploneis fossa</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[602,693,1350,1376]" pageId="42" pageNumber="43" rank="species">
|
||
<emphasis box="[602,686,1350,1375]" italics="true" pageId="42" pageNumber="43">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
,
|
||
<taxonomicName authority="Lange-Bertalot, Fuhrmann & Ringel" authorityName="Lange-Bertalot, Fuhrmann & Ringel" box="[713,1408,1349,1375]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="parahinziae">
|
||
<emphasis box="[713,969,1349,1375]" italics="true" pageId="42" pageNumber="43">Diploneis parahinziae</emphasis>
|
||
Lange-Bertalot, Fuhrmann & Ringel
|
||
</taxonomicName>
|
||
(in
|
||
<bibRefCitation author="Lange-Bertalot, H. & Fuhrmann, A." box="[136,579,1385,1411]" pageId="42" pageNumber="43" pagination="157 - 183" refId="ref39079" refString="Lange-Bertalot, H. & Fuhrmann, A. (2016) Contribution to the genus Diploneis (Bacillariophyta): twelve species from Holarctic freshwater habitats proposed as new to science. Fottea Olomouc 16 (2): 157 - 183. https: // doi. org / 10.5507 / fot. 2015.027" type="journal article" year="2016">Lange-Bertalot & Fuhrmann 2016: 168</bibRefCitation>
|
||
), and
|
||
<taxonomicName authority="Jurilj (1954: 127)" authorityName="Jurilj" authorityPageNumber="127" authorityYear="1954" box="[647,1108,1385,1412]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="42" pageNumber="43" phylum="Bacillariophyta" rank="species" species="heisingeriae">
|
||
<emphasis box="[647,901,1385,1411]" italics="true" pageId="42" pageNumber="43">Diploneis heisingeriae</emphasis>
|
||
<bibRefCitation author="Jurilj, A." box="[908,1108,1385,1412]" pageId="42" pageNumber="43" pagination="99 - 190" refId="ref38792" refString="Jurilj, A. (1954) Flora i vegetacija Dijatomeja Ohridskog Jezera. Flora and vegetation of Diatoms from Ochrida Lake in Yugoslavia. J. Prirodnoslovnih Istrazivanja 26: 99 - 190." type="journal article" year="1954">Jurilj (1954: 127)</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |