276 lines
35 KiB
XML
276 lines
35 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.195.81632" ID-GBIF-Dataset="fc2ecc79-7057-4d85-a7ec-623a6808ca38" ID-Pensoft-Pub="1314-2003-195-161" ID-Pensoft-UUID="526F3EF51F8A51B49D3D086FEEBEA4AD" ModsDocID="1314-2003-195-161" checkinTime="1652359759506" checkinUser="pensoft" docAuthor="Zidarova, Ralitsa, Ivanov, Plamen, Dzhembekova, Nina, Haan, Myriam de & Vijver, Bart Van de" docDate="2022" docId="9B24CBB1584653C5A0B145A3BFDABE06" docLanguage="en" docName="PhytoKeys 195: 161-174" docOrigin="PhytoKeys 195" docPubDate="2022-05-11" docSource="http://dx.doi.org/10.3897/phytokeys.195.81632" docTitle="Halamphora moncheviana Zidarova, P. Ivanov, Dzhembekova, M. de Haan & Van de Vijver 2022, sp. nov." docType="treatment" docVersion="3" id="526F3EF51F8A51B49D3D086FEEBEA4AD" lastPageNumber="161" masterDocId="526F3EF51F8A51B49D3D086FEEBEA4AD" masterDocTitle="Two new Halamphora (Bacillariophyta) species from the marine coasts off Livingston Island, Antarctica" masterLastPageNumber="174" masterPageNumber="161" pageNumber="161" updateTime="1652360630445" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Two new Halamphora (Bacillariophyta) species from the marine coasts off Livingston Island, Antarctica</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:role>
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<mods:namePart>Zidarova, Ralitsa</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6451-0099</mods:nameIdentifier>
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<mods:affiliation>Institute of Oceanology at the Bulgarian Academy of Sciences, 40 Parvi May Str., 9000 Varna, Bulgaria</mods:affiliation>
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<mods:nameIdentifier type="email">zidarova.r@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:role>
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<mods:namePart>Ivanov, Plamen</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2215-7984</mods:nameIdentifier>
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<mods:affiliation>Institute of Biodiversity and Ecosystem Research at the Bulgarian Academy of Sciences, 2 Mayor Yurii Gagarin Str., 1113 Sofia, Bulgaria</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Dzhembekova, Nina</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9620-6422</mods:nameIdentifier>
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<mods:affiliation>Institute of Oceanology at the Bulgarian Academy of Sciences, 40 Parvi May Str., 9000 Varna, Bulgaria</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Haan, Myriam de</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1868-1265</mods:nameIdentifier>
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<mods:affiliation>Meise Botanic Garden, Nieuwelaan 38, B- 1860, Meise, Belgium</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Vijver, Bart Van de</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6244-1886</mods:nameIdentifier>
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<mods:affiliation>Meise Botanic Garden, Nieuwelaan 38, B- 1860, Meise, Belgium & University of Antwerp, Department of Biology - ECOSPHERE, Universiteitsplein 1, B- 2610 Wilrijk, Belgium</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-05-11</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>195</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>161</mods:start>
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<mods:end>174</mods:end>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.195.81632</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.195.81632</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-195-161</mods:identifier>
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<mods:identifier type="Pensoft-UUID">526F3EF51F8A51B49D3D086FEEBEA4AD</mods:identifier>
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<subSection pageId="0" pageNumber="161" type="results">
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<treatment LSID="urn:lsid:plazi:treatment:9B24CBB1584653C5A0B145A3BFDABE06" httpUri="http://treatment.plazi.org/id/9B24CBB1584653C5A0B145A3BFDABE06" lastPageNumber="161" pageId="0" pageNumber="161">
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<subSubSection pageId="0" pageNumber="161" type="nomenclature">
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<paragraph pageId="0" pageNumber="161">
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<taxonomicName LSID="9B24CBB1-5846-53C5-A0B1-45A3BFDABE06" authority="Zidarova, P. Ivanov, Dzhembekova, M. de Haan & Van de Vijver" authorityName="Zidarova, P. Ivanov, Dzhembekova, M. de Haan & Van de Vijver" authorityYear="2022" class="Bacillariophyceae" family="Amphipleuraceae" genus="Halamphora" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Halamphora moncheviana" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="moncheviana" status="sp. nov.">Halamphora moncheviana Zidarova, P.Ivanov, Dzhembekova, M.de Haan & Van de Vijver</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="161">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="161" type="description">
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<paragraph pageId="0" pageNumber="161">
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">Fig. 3A-M</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="161" type="holotype">
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<paragraph pageId="0" pageNumber="161">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="161">
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Slide BR-4682, Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3G</figureCitation>
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represents the holotype, Meise Botanic Garden, Belgium. PhycoBank (http://phycobank.org/103141).
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</paragraph>
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<caption doi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="161">
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<emphasis bold="true" pageId="0" pageNumber="161">Figure 3.</emphasis>
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<taxonomicName authorityName="Zidarova, P. Ivanov, Dzhembekova, M. de Haan & Van de Vijver" authorityYear="2022" class="Bacillariophyceae" family="Amphipleuraceae" genus="Halamphora" kingdom="Plantae" lsidName="Halamphora moncheviana" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="moncheviana">
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<emphasis italics="true" pageId="0" pageNumber="161">Halamphora moncheviana</emphasis>
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</taxonomicName>
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sp. nov., valves from the type population from South Bay
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<emphasis bold="true" pageId="0" pageNumber="161">A-H</emphasis>
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LM views of several valves
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<emphasis bold="true" pageId="0" pageNumber="161">G</emphasis>
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represents the holotype
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<emphasis bold="true" pageId="0" pageNumber="161">I</emphasis>
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SEM of an entire valve externally, showing the dorsal striae and the raphe endings
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<emphasis bold="true" pageId="0" pageNumber="161">J</emphasis>
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SEM, detail of the areolae externally, showing the recessed porous foramina
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<emphasis bold="true" pageId="0" pageNumber="161">K</emphasis>
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SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina
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<emphasis bold="true" pageId="0" pageNumber="161">L</emphasis>
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SEM of an entire valve internally
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<emphasis bold="true" pageId="0" pageNumber="161">M</emphasis>
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SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="161">A-H</emphasis>
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); 5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="161">I, L, M</emphasis>
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); 1
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="161">J, K</emphasis>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="161" type="isotype">
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<paragraph pageId="0" pageNumber="161">Isotype.</paragraph>
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<paragraph pageId="0" pageNumber="161">Slide 400, University of Antwerp, Belgium.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="161" type="type locality">
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<paragraph pageId="0" pageNumber="161">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="161">
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Antarctica, Livingston Island, Hannah Point, small pool on a coastal rock north of the penguin rookeries, epilithon.
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<geoCoordinate degrees="62" direction="south" minutes="38" orientation="latitude" precision="15" seconds="30" value="-62.64167">62°38'30"S</geoCoordinate>
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,
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<geoCoordinate degrees="60" direction="west" minutes="36" orientation="longitude" precision="15" seconds="32" value="-60.608887">60°36'32"W</geoCoordinate>
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. Sample LT10,
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<emphasis italics="true" pageId="0" pageNumber="161">leg.</emphasis>
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R. Zidarova, coll. date 04 Feb. 2020.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="161" type="description">
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<paragraph pageId="0" pageNumber="161">Description.</paragraph>
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<paragraph pageId="0" pageNumber="161">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="161">LM description</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3A-H</figureCitation>
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). Valves weakly silicified, broadly semi-elliptic, with a more or less straight ventral and distinctly convex dorsal margin. Apices protracted, subcapitate in larger valves (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3A</figureCitation>
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), becoming only weakly protracted, rostrate in smaller valves (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3F-G</figureCitation>
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). Valve dimensions (n = 23): length 16.0-27.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, width 5.0-7.0
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Raphe straight. Central raphe endings straight, enlarged (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3A, F-H</figureCitation>
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). Terminal raphe fissures not discernible in LM. Axial area narrow, central area absent. Dorsal striae parallel to weakly radiate in the middle, becoming more radiate towards the apices, 24-27 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, crossed by several undulating longitudinal lines (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3A-H</figureCitation>
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).
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</paragraph>
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<paragraph pageId="0" pageNumber="161">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="161">SEM description</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I-M</figureCitation>
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). Externally, valves show a narrow, but distinct raphe ledge, slightly elevated and running on the entire length of the valve (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I, M</figureCitation>
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). Central raphe endings relatively close together, weakly dorsally bent, indistinct (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3M</figureCitation>
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) to weakly enlarged (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I</figureCitation>
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). Terminal raphe fissures shortly hooked to the dorsal side (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I, M</figureCitation>
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). Dorsal striae on the valve face composed of usually 3-5 transapically elongated, sometimes almost rectangular areolae with recessed finely porous foramina (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3J</figureCitation>
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). Areolae forming longitudinal rows (Fig.
|
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I, M</figureCitation>
|
||
). On the mantle, areolae get smaller (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I</figureCitation>
|
||
). Distinct marginal dorsal ridge lacking (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3I, M</figureCitation>
|
||
). Internally, central raphe endings terminating onto fused helictoglossae. Terminal raphe endings finishing onto small helictoglossae (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3L</figureCitation>
|
||
). Areolae internally rectangular, arranged in regular transverse and longitudinal rows between raised virgae and vimines, possessing finely porous recessed foramina (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3K, L</figureCitation>
|
||
). Ventral striae only internally observed on the valve face, 33-34 in 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
, composed of a single elongated areola (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Halamphora moncheviana sp. nov., valves from the type population from South Bay A-H LM views of several valves G represents the holotype I SEM of an entire valve externally, showing the dorsal striae and the raphe endings J SEM, detail of the areolae externally, showing the recessed porous foramina K SEM, detail of the striae and areolae internally, showing the porous internal areolar foramina L SEM of an entire valve internally M SEM, external view of a valve with areolae arranged in longitudinal lines, most likely in a state of development. Scale bars: 10 µm (A-H); 5 µm (I, L, M); 1 µm (J, K)." figureDoi="10.3897/phytokeys.195.81632.figure3" httpUri="https://binary.pensoft.net/fig/682675" pageId="0" pageNumber="161">3L</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="161" type="etymology">
|
||
<paragraph pageId="0" pageNumber="161">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="161">The new species is named after Prof Dr Snejana Moncheva, phycologist and former Director of the Institute of Oceanology at the Bulgarian Academy of Sciences, to thank her for considering our (RZ, NDzh) employment and career possibilities at the Institute.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="161" type="ecology">
|
||
<paragraph pageId="0" pageNumber="161">Ecology, Antarctic distribution and associated diatom flora.</paragraph>
|
||
<paragraph pageId="0" pageNumber="161">
|
||
<taxonomicName authorityName="Zidarova, P. Ivanov, Dzhembekova, M. de Haan & Van de Vijver" authorityYear="2022" class="Bacillariophyceae" family="Amphipleuraceae" genus="Halamphora" kingdom="Plantae" lsidName="Halamphora moncheviana" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="moncheviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Halamphora moncheviana</emphasis>
|
||
</taxonomicName>
|
||
was most abundant in the epilithon of a small coastal pool, having a relatively low salinity (6.5 PSU, sample LT10, Table
|
||
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Samples containing the new taxa, with their environmental parameters." httpUri="http://table.plazi.org/id/ED7E4EC1E02DC579596F04AE93772E30" pageId="0" pageNumber="161" tableUuid="ED7E4EC1E02DC579596F04AE93772E30">1</tableCitation>
|
||
), where it was found together with
|
||
<taxonomicName authorityName="K.Sabbe" authorityYear="2003" baseAuthorityName="West & G.S.West" class="Bacillariophyceae" family="Naviculaceae" genus="Craspedostauros" higherTaxonomySource="GBIF" kingdom="Chromista" lsidName="Craspedostauros laevissimus" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="laevissimus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Craspedostauros laevissimus</emphasis>
|
||
</taxonomicName>
|
||
(W.West & G.S.West) Sabbe and several
|
||
<taxonomicName authorityName="Baer" authorityYear="1826" class="Bacillariophyceae" family="Menoponidae" genus="Nitzschia" higherTaxonomySource="CoL" kingdom="Chromista" lsidName="Nitzschia" order="Psocodea" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Nitzschia</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName authorityName="C.A Agardh" authorityYear="1824" class="Bacillariophyceae" family="Melosiraceae" genus="Melosira" higherTaxonomySource="GBIF" kingdom="Chromista" lsidName="Melosira" order="Melosirales" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Melosira</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" lsidName="Navicula" order="Naviculales" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Navicula</emphasis>
|
||
</taxonomicName>
|
||
species.
|
||
<bibRefCitation author="Roberts, D" journalOrPublisher="Bibliotheca Diatomologica" pageId="0" pageNumber="161" pagination="1 - 83" refId="B29" refString="Roberts, D, McMinn, A, 1999. Diatoms of the saline lakes of the Vestfold Hills, Antarctica. Bibliotheca Diatomologica 44: 1 - 83" title="Diatoms of the saline lakes of the Vestfold Hills, Antarctica." volume="44" year="1999">Roberts and McMinn (1999</bibRefCitation>
|
||
, Pl. 1, figs 10-11) recorded the same taxon as
|
||
<taxonomicName class="Bacillariophyceae" genus="Amphora" kingdom="Chromista" lsidName="Amphora" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Amphora</emphasis>
|
||
</taxonomicName>
|
||
sp. d from the Vestfold Hills on the Antarctic Continent, although their reported valves were slightly larger (length 30-35
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
, width 5-8
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) and with a slightly coarser striation of
|
||
<normalizedToken originalValue="“approximately”">"approximately"</normalizedToken>
|
||
22 striae in 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
. Nevertheless, the SEM photo of the species, identified as
|
||
<taxonomicName class="Bacillariophyceae" genus="Amphora" kingdom="Chromista" lsidName="Amphora" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Amphora</emphasis>
|
||
</taxonomicName>
|
||
sp. d in
|
||
<bibRefCitation author="Roberts, D" journalOrPublisher="Bibliotheca Diatomologica" pageId="0" pageNumber="161" pagination="1 - 83" refId="B29" refString="Roberts, D, McMinn, A, 1999. Diatoms of the saline lakes of the Vestfold Hills, Antarctica. Bibliotheca Diatomologica 44: 1 - 83" title="Diatoms of the saline lakes of the Vestfold Hills, Antarctica." volume="44" year="1999">Roberts and McMinn (1999</bibRefCitation>
|
||
, plate 1, fig. 11), presenting a valve externally with striae, composed of a few transapically elongated areolae on the dorsal side and forming irregular longitudinal lines on the valve face, confirms the conspecificity between the species observed on the Antarctic Continent, and
|
||
<taxonomicName genus="H." lsidName="H. moncheviana" pageId="0" pageNumber="161" rank="species" species="moncheviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">H. moncheviana</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation author="Roberts, D" journalOrPublisher="Bibliotheca Diatomologica" pageId="0" pageNumber="161" pagination="1 - 83" refId="B29" refString="Roberts, D, McMinn, A, 1999. Diatoms of the saline lakes of the Vestfold Hills, Antarctica. Bibliotheca Diatomologica 44: 1 - 83" title="Diatoms of the saline lakes of the Vestfold Hills, Antarctica." volume="44" year="1999">Roberts and McMinn (1999)</bibRefCitation>
|
||
reported the species from hypersaline lakes. Based on their and our findings,
|
||
<taxonomicName genus="H." lsidName="H. mocheviana" pageId="0" pageNumber="161" rank="species" species="mocheviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">H. mocheviana</emphasis>
|
||
</taxonomicName>
|
||
is apparently a very tolerant species to changes in salinity. Likely the same taxon was also depicted by
|
||
<bibRefCitation author="Priddle, J" journalOrPublisher="British Antarctic Survey Bulletin" pageId="0" pageNumber="161" pagination="1 - 9" refId="B28" refString="Priddle, J, Belcher, JH, 1981. Freshwater biology at Rothera Point, Adelaide Island: II. Algae. British Antarctic Survey Bulletin 53: 1 - 9" title="Freshwater biology at Rothera Point, Adelaide Island: II. Algae." volume="53" year="1981">Priddle and Belcher (1981</bibRefCitation>
|
||
, fig. 3l, as
|
||
<taxonomicName class="Bacillariophyceae" genus="Amphora" kingdom="Chromista" lsidName="Amphora" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Amphora</emphasis>
|
||
</taxonomicName>
|
||
sp.), which they observed in the epilithon of a large, shallow pool (Pool 7) situated near the sea, together with several species of marine origin, including
|
||
<taxonomicName authorityName="K.Sabbe" authorityYear="2003" baseAuthorityName="West & G.S.West" class="Bacillariophyceae" family="Naviculaceae" genus="Craspedostauros" higherTaxonomySource="GBIF" kingdom="Chromista" lsidName="Craspedostauros laevissimus" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="laevissimus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Craspedostauros laevissimus</emphasis>
|
||
</taxonomicName>
|
||
(reported as
|
||
<taxonomicName authorityName="W. & G.S.West" authorityYear="1911" class="Bacillariophyceae" family="Naviculaceae" genus="Tropidoneis" higherTaxonomySource="GBIF" kingdom="Chromista" lsidName="Tropidoneis laevissima" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="laevissima">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Tropidoneis laevissima</emphasis>
|
||
</taxonomicName>
|
||
W.West & G.S.West).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |