270 lines
33 KiB
XML
270 lines
33 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="5575656068445EE2934368965B35BA9C" 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 kenderoviana 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: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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<treatment LSID="urn:lsid:plazi:treatment:5575656068445EE2934368965B35BA9C" httpUri="http://treatment.plazi.org/id/5575656068445EE2934368965B35BA9C" 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="55756560-6844-5EE2-9343-68965B35BA9C" 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 kenderoviana" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="kenderoviana" status="sp. nov.">Halamphora kenderoviana 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 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">Fig. 2A-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-4681, Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2D</figureCitation>
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represents the holotype, Meise Botanic Garden, Belgium. PhycoBank (http://phycobank.org/103140).
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</paragraph>
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<caption doi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="161">
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<emphasis bold="true" pageId="0" pageNumber="161">Figure 2.</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 kenderoviana" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="kenderoviana">
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<emphasis italics="true" pageId="0" pageNumber="161">Halamphora kenderoviana</emphasis>
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</taxonomicName>
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sp. nov., valves from the type population from South Bay, Livingston Island
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<emphasis bold="true" pageId="0" pageNumber="161">A-I</emphasis>
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valves under LM, with fig. A showing an entire frustule
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<emphasis bold="true" pageId="0" pageNumber="161">D</emphasis>
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represents the holotype
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<emphasis bold="true" pageId="0" pageNumber="161">J</emphasis>
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two valves under SEM externally with details of the central raphe endings and mantle areolae
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<emphasis bold="true" pageId="0" pageNumber="161">K</emphasis>
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SEM of an entire valve internally
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<emphasis bold="true" pageId="0" pageNumber="161">L</emphasis>
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SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions
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<emphasis bold="true" pageId="0" pageNumber="161">M</emphasis>
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SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. 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-I, M</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">J-L</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 401, 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, South Bay, Mongolian (Reserve) Port, small pool on a coastal rock during low tide, epilithon.
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<geoCoordinate degrees="62" direction="south" minutes="38" orientation="latitude" precision="15" seconds="50" value="-62.647224">62°38'50"S</geoCoordinate>
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,
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<geoCoordinate degrees="60" direction="west" minutes="22" orientation="longitude" precision="15" seconds="26" value="-60.373886">60°22'26"W</geoCoordinate>
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. Sample
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<normalizedToken originalValue="MO’">MO'</normalizedToken>
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,
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<emphasis italics="true" pageId="0" pageNumber="161">leg.</emphasis>
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R. Zidarova, coll. date 21 Dec. 2018.
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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 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2A-I</figureCitation>
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). Valves semi-lanceolate to narrowly semi-elliptic, with a straight ventral and distinctly convex dorsal margin. Valve dimensions (n = 27): length 13.5-20.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, width 3.5-4.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Apices slightly ventrally bent, in larger valves protracted, rostrate to almost subcapitate (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2B</figureCitation>
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), in smaller valves weakly protracted, subrostrate (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2F-I</figureCitation>
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). Raphe branches straight. Central raphe endings expanded, slightly dorsally bent (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2A, C, I</figureCitation>
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). Distal raphe fissures not discernible in LM. Axial area narrow. Central area on the dorsal side very small to usually absent, on the ventral side clearly enlarged. Dorsal striae parallel to weakly radiate in the middle, becoming more radiate towards the apices, 18-20 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Occasionally, one or two striae in the valve middle shortened (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2E, G</figureCitation>
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), forming a very small dorsal central area. Ventral striae discernible in LM, interrupted in the valve middle (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2C-F, I</figureCitation>
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), 27-28 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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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 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2J-M</figureCitation>
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). Externally, valves possess a distinct raphe ledge, running along the entire length of the valve, clearly widened in the valve middle, truncated and slightly expanded at the apices (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2J, M</figureCitation>
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). Central raphe endings positioned relatively close together, slightly bent towards the dorsal side and pore-like enlarged (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2J, M</figureCitation>
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). Terminal raphe fissures hooked to the dorsal side (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2J, M</figureCitation>
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). Dorsal striae biseriate, composed of rounded poroids, the latter 60-65 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Striae continuing on the mantle, following a narrow dorsal ridge (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2M</figureCitation>
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), where often reduced to a single, large areola (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2J</figureCitation>
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). Striae on the ventral side short, composed of only one or two rounded areolae, often fused to form a single elongated areola (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2J</figureCitation>
|
||
). Internally, central raphe endings terminating onto a fused central helictoglossa (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2K</figureCitation>
|
||
). Terminal raphe endings finishing onto small helictoglossae (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2K</figureCitation>
|
||
). Striae internally located between narrow, quite prominently raised virgae (costae). Areolae internally occluded by individual hymenes (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Halamphora kenderoviana sp. nov., valves from the type population from South Bay, Livingston Island A-I valves under LM, with fig. A showing an entire frustule D represents the holotype J two valves under SEM externally with details of the central raphe endings and mantle areolae K SEM of an entire valve internally L SEM of a valve internally, showing the prominent raised costae between the striae and the internal areolar occlusions M SEM of an entire valve externally, with a view on the mantle and the dorsal ridge. Scale bars: 10 µm (A-I, M); 5 µm (J-L)." figureDoi="10.3897/phytokeys.195.81632.figure2" httpUri="https://binary.pensoft.net/fig/682674" pageId="0" pageNumber="161">2L</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 our colleague Dr Lyubomir Kenderov, hydrobiologist at the Faculty of Biology, University of Sofia, with whom RZ shared two Antarctic seasons, and who was often a helping hand during field work in Antarctica.</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 kenderoviana" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="kenderoviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Halamphora kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
was typically observed in tidal pools (
|
||
<bibRefCitation DOI="https://doi.org/10.5091/plecevo.84534" author="Zidarova, R" journalOrPublisher="Plant Ecology and Evolution" pageId="0" pageNumber="161" pagination="70 - 106" refId="B40" refString="Zidarova, R, Ivanov, P, Hineva, E, Dzhembekova, N, 2022. Diversity and habitat preferences of benthic diatoms from South Bay (Livingston Island, Antarctica). Plant Ecology and Evolution 155 (1): 70 - 106, DOI: https://doi.org/10.5091/plecevo.84534" title="Diversity and habitat preferences of benthic diatoms from South Bay (Livingston Island, Antarctica)." url="https://doi.org/10.5091/plecevo.84534" volume="155" year="2022">Zidarova et al. 2022</bibRefCitation>
|
||
, 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.5), but only found in abundance (17.5% of the counted valves) in the type locality, a tidal pool with alkaline water and a salinity level of 33.1 PSU (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>
|
||
). Other common taxa in the sample are
|
||
<taxonomicName authorityName="E.J.Cox" authorityYear="1988" baseAuthorityName="Gregory" class="Bacillariophyceae" family="Berkeleyaceae" genus="Parlibellus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Parlibellus rhombicus" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="rhombicus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Parlibellus rhombicus</emphasis>
|
||
</taxonomicName>
|
||
W.Greg.,
|
||
<taxonomicName authorityName="D.M.Williams" authorityYear="1988" baseAuthorityName="M.Peragallo" class="Bacillariophyceae" family="Fragilariaceae" genus="Tabulariopsis" higherTaxonomySource="GBIF" kingdom="Chromista" lsidName="Tabulariopsis australis" order="Fragilariales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="australis">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Tabulariopsis australis</emphasis>
|
||
</taxonomicName>
|
||
(Perag.) D.M.Williams, and several
|
||
<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, including
|
||
<taxonomicName genus="N." lsidName="N. perminuta" pageId="0" pageNumber="161" rank="species" species="perminuta">N. aff. perminuta</taxonomicName>
|
||
Grunow and
|
||
<taxonomicName genus="N." lsidName="N. glaciei" pageId="0" pageNumber="161" rank="species" species="glaciei">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">N. glaciei</emphasis>
|
||
</taxonomicName>
|
||
Van Heurck. So far,
|
||
<taxonomicName genus="H." lsidName="H. kenderoviana" pageId="0" pageNumber="161" rank="species" species="kenderoviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">H. kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
is known to be present with certainty on the marine coasts of the South Shetland Islands (Livingston Island). Earlier,
|
||
<bibRefCitation DOI="https://doi.org/10.1515/BOT.2003.010" author="Cremer, H" journalOrPublisher="Botanica Marina" pageId="0" pageNumber="161" pagination="82 - 106" refId="B9" refString="Cremer, H, Roberts, D, McMinn, A, Gore, D, Melles, M, 2003. The Holocene Diatom Flora of Marine Bays in the Windmill Islands, East Antarctica. Botanica Marina 46 (1): 82 - 106, DOI: https://doi.org/10.1515/BOT.2003.010" title="The Holocene Diatom Flora of Marine Bays in the Windmill Islands, East Antarctica." url="https://doi.org/10.1515/BOT.2003.010" volume="46" year="2003">Cremer et al. (2003)</bibRefCitation>
|
||
reported a very similar taxon as
|
||
<taxonomicName authorityName="F.T.Kutzing" authorityYear="1844" baseAuthorityName="C.Agardh" class="Bacillariophyceae" genus="Amphora" kingdom="Chromista" lsidName="Amphora coffeaeformis" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="species" species="coffeaeformis">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Amphora coffeaeformis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation DOI="https://doi.org/10.1515/BOT.2003.010" author="Cremer, H" journalOrPublisher="Botanica Marina" pageId="0" pageNumber="161" pagination="82 - 106" refId="B9" refString="Cremer, H, Roberts, D, McMinn, A, Gore, D, Melles, M, 2003. The Holocene Diatom Flora of Marine Bays in the Windmill Islands, East Antarctica. Botanica Marina 46 (1): 82 - 106, DOI: https://doi.org/10.1515/BOT.2003.010" title="The Holocene Diatom Flora of Marine Bays in the Windmill Islands, East Antarctica." url="https://doi.org/10.1515/BOT.2003.010" volume="46" year="2003">Cremer et al. 2003</bibRefCitation>
|
||
, fig. 13) from sediment cores in Windmill Island, East Antarctica. SEM observations will be needed to confirm that it is conspecific with
|
||
<taxonomicName genus="H." lsidName="H. kenderoviana" pageId="0" pageNumber="161" rank="species" species="kenderoviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">H. kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
, but it seems likely that at least some of the records of
|
||
<taxonomicName genus="A." higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="A. coffeaeformis" order="Achnanthales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="coffeaeformis">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">A. coffeaeformis</emphasis>
|
||
</taxonomicName>
|
||
, transferred to
|
||
<taxonomicName class="Bacillariophyceae" family="Amphipleuraceae" genus="Halamphora" kingdom="Plantae" lsidName="Halamphora" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">Halamphora</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation author="Levkov, Z" journalOrPublisher="Diatoms of Europe" pageId="0" pageNumber="161" pagination="1 - 916" refId="B21" refString="Levkov, Z, 2009. Amphora sensu lato. Diatoms of Europe 5: 1 - 916" title="Amphora sensu lato." volume="5" year="2009">Levkov (2009)</bibRefCitation>
|
||
as
|
||
<taxonomicName genus="H." lsidName="H. coffeaeformis" pageId="0" pageNumber="161" rank="species" species="coffeaeformis">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">H. coffeaeformis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<normalizedToken originalValue="Kütz">Kuetz</normalizedToken>
|
||
.) Levkov, from saline waters in Antarctica might represent
|
||
<taxonomicName genus="H." lsidName="H. kenderoviana" pageId="0" pageNumber="161" rank="species" species="kenderoviana">
|
||
<emphasis italics="true" pageId="0" pageNumber="161">H. kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |