270 lines
39 KiB
XML
270 lines
39 KiB
XML
<document ID-CLB-Dataset="55557" ID-DOI="http://dx.doi.org/10.3897/phytokeys.195.81632" ID-GBIF-Dataset="fc2ecc79-7057-4d85-a7ec-623a6808ca38" ID-PMC="PMC9849039" ID-Pensoft-Pub="1314-2003-195-161" ID-Pensoft-UUID="526F3EF51F8A51B49D3D086FEEBEA4AD" ID-PubMed="36761358" 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="6" 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="1732844666412" updateUser="ExternalLinkService">
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<mods:titleInfo id="2772CE43A7AB95C1399EF89A3D8533C3">
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<mods:title id="050BD9EFE8FD0E93C66D80FB64FBB7A9">Two new Halamphora (Bacillariophyta) species from the marine coasts off Livingston Island, Antarctica</mods:title>
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<mods:name id="58472BE4B367D0FC2CB899866FA3F3ED" type="personal">
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<mods:namePart id="6CE0BAB3DE3D19C466EBA0DBC3C1C9B6">Zidarova, Ralitsa</mods:namePart>
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<mods:nameIdentifier id="FB227C293BC8020C24CA858A3840457D" type="ORCID">https://orcid.org/0000-0002-6451-0099</mods:nameIdentifier>
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<mods:affiliation id="67944CA1549D1BB95013D81C84FE3C40">Institute of Oceanology at the Bulgarian Academy of Sciences, 40 Parvi May Str., 9000 Varna, Bulgaria</mods:affiliation>
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<mods:nameIdentifier id="F043F019BD0F069AD544740BFDBC2851" type="email">zidarova.r@gmail.com</mods:nameIdentifier>
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<mods:roleTerm id="AC216FEE15833165AFC1D013654FCAFD">Author</mods:roleTerm>
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<mods:namePart id="50A373C743D47A912C7CA8368D08A6BC">Ivanov, Plamen</mods:namePart>
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<mods:nameIdentifier id="FA3FB992690F99E6AFA370FC3E989DC8" type="ORCID">https://orcid.org/0000-0003-2215-7984</mods:nameIdentifier>
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<mods:affiliation id="CE27B9DC3D2CF0DFD3D2E2FBD1696985">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 id="B49F5CC5781FEE748A7EBCEA11F632B8" type="personal">
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<mods:roleTerm id="C0CD58DA2D4F8672350D2ED042165141">Author</mods:roleTerm>
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<mods:namePart id="80FF06CCC2DB678E14DB1A83311AF231">Dzhembekova, Nina</mods:namePart>
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<mods:nameIdentifier id="E51561BFC2497874F7A912FE90ABA02F" type="ORCID">https://orcid.org/0000-0001-9620-6422</mods:nameIdentifier>
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<mods:affiliation id="117BF92F9009EEAE2D55D6F5F3870500">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 id="0751400374E37A6CE43339A70D58E9CF" type="personal">
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<mods:roleTerm id="F5B68C9EFFE066ACF2588C56DE8BFE2B">Author</mods:roleTerm>
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<mods:namePart id="BC44213A2516CC664C178E8EBA497BC0">Haan, Myriam de</mods:namePart>
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<mods:nameIdentifier id="42A91D5E085A42B7DB032B55252DE05E" type="ORCID">https://orcid.org/0000-0003-1868-1265</mods:nameIdentifier>
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<mods:affiliation id="352B63B8A126A9FEAEC6C04F2D546E8A">Meise Botanic Garden, Nieuwelaan 38, B- 1860, Meise, Belgium</mods:affiliation>
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<mods:namePart id="E8F49DC06B3BB72AEF65E13E5E4DB759">Vijver, Bart Van de</mods:namePart>
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<mods:nameIdentifier id="3855C0951FEE4B83F10D06C3B316F8E7" type="ORCID">https://orcid.org/0000-0002-6244-1886</mods:nameIdentifier>
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<mods:affiliation id="734BE58351BE411EEF2847C049B2C08E">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:title id="D1629C38305452579824DC2770E5B13C">PhytoKeys</mods:title>
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<mods:date id="B7B440D362C307336ABD13610E2B92DC">2022</mods:date>
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<mods:number id="3BF187106D18AE559753ACF287E7FFDD">2022-05-11</mods:number>
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<mods:number id="21ECA12A452037CFA422BDC4CBAF26B3">195</mods:number>
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<mods:url id="5393425B63FB8C2BE6C7FB1387010CA8">http://dx.doi.org/10.3897/phytokeys.195.81632</mods:url>
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<mods:classification id="FB17856FDBEAE3FAEC08FF04CACF0E41">journal article</mods:classification>
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<mods:identifier id="48A72EAB236157FF90D01C5ED9DD449F" type="DOI">http://dx.doi.org/10.3897/phytokeys.195.81632</mods:identifier>
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<treatment id="5575656068445EE2934368965B35BA9C" ID-GBIF-Taxon="195302507" LSID="urn:lsid:plazi:treatment:5575656068445EE2934368965B35BA9C" httpUri="http://treatment.plazi.org/id/5575656068445EE2934368965B35BA9C" lastPageNumber="161" pageId="0" pageNumber="161" scope_class="Bacillariophyceae" scope_family="Amphipleuraceae" scope_phylum="Bacillariophyta">
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<subSubSection id="96AE426DD24BBEA3E2B50A3AA93CF6C4" pageId="0" pageNumber="161" type="nomenclature">
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<paragraph id="C19E91ACD1D2D86095C3BD53AC9D9A57" pageId="0" pageNumber="161">
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<taxonomicName id="2968AB93EE837F127C7E6AAED4C0E0F7" 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 id="48ABE558EB4242BC491F1BA92BA3A044" pageId="0" pageNumber="161">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="9A7AD0EAA903CCFF4D79C5FC900F1B28" pageId="0" pageNumber="161" type="description">
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<paragraph id="836999D3FDF66DEDD6B0222DE7844BF0" pageId="0" pageNumber="161">
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<figureCitation id="DE7061DBFBB71AF2418EF64887417EF1" 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 id="00CAA0AA0DCECC315494C2A2A33A0741" pageId="0" pageNumber="161" type="holotype">
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<paragraph id="B6673DEDB02DCD9740400374844C53C5" pageId="0" pageNumber="161">Holotype.</paragraph>
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<paragraph id="6D9ABC238714FCC564A79D6C278E59FE" pageId="0" pageNumber="161">
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Slide BR-4681, Fig.
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<figureCitation id="A8BC018B8D868E600435670EF9F53D6D" 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 id="2EE56524DE8F2B6E2ED3E85AD9290018" 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 id="17ECB9C368BE598B83D78BBAE93E87ED" pageId="0" pageNumber="161">
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||
<emphasis id="02DAF23182C90DE8C0E1800A78C267EF" bold="true" pageId="0" pageNumber="161">Figure 2.</emphasis>
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||
<taxonomicName id="03221337B94ADC72E6DD8769489D594F" 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 id="F3B1438D5900FCACE48BD16770A9C239" 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 id="51E8C801FFDB72EA6742251EB4768A3F" 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 id="C80E78CEE88C280808CCCC9AA8D2B7AB" bold="true" pageId="0" pageNumber="161">D</emphasis>
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||
represents the holotype
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||
<emphasis id="8905FD7383DB1BBE286D0000328876EA" 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 id="04011FCEE9E2519D83A15D3BB9773F78" bold="true" pageId="0" pageNumber="161">K</emphasis>
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SEM of an entire valve internally
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<emphasis id="58AF0C72BCBB7184977A81A07FB28622" 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 id="2EEBF99258B8BD91BF4DBCBD07261E15" 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 id="BD0963402C6C0887EF805BB7209E641D" originalValue="µm">µm</normalizedToken>
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(
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||
<emphasis id="39634B521B342570FD7EEDD352C34ADD" bold="true" pageId="0" pageNumber="161">A-I, M</emphasis>
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); 5
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<normalizedToken id="E79C852EA56CECAEDCCF22554F633402" originalValue="µm">µm</normalizedToken>
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||
(
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||
<emphasis id="16556CB09326B52E0810B576ADEE5075" 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 id="D8907A97F7CB8DCDFDEB2EE1822802F1" pageId="0" pageNumber="161" type="isotype">
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<paragraph id="C25E4CD1B2FA4E481CF276E80831D362" pageId="0" pageNumber="161">Isotype.</paragraph>
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<paragraph id="A3105EE4261453B6EC6760AD4F181BEA" pageId="0" pageNumber="161">Slide 401, University of Antwerp, Belgium.</paragraph>
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</subSubSection>
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||
<subSubSection id="D735991511877FBC9233DA7528F7F939" pageId="0" pageNumber="161" type="type locality">
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<paragraph id="22DA001630594493750DAF3D0A50D3DD" pageId="0" pageNumber="161">Type locality.</paragraph>
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<paragraph id="7C3DE020AA508E2EE0A283FCCE50D81B" 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 id="3C148B6668FF9CA1AC8CD022B93740B1" 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 id="AC4B6C4760FDF48C65B955FDFC9A2A45" 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 id="138F0BD2D9E02EAEEAF71C20315D94E6" originalValue="MO’">MO'</normalizedToken>
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,
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<emphasis id="9DECFAC5B9896A0C46F39F58F8D1F9B2" 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 id="DC2FAF43BB707DAF5A486A5AD38F3CE3" pageId="0" pageNumber="161" type="description">
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<paragraph id="9F5A0E5C3360D7DCE2033BC2951FB56D" pageId="0" pageNumber="161">Description.</paragraph>
|
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<paragraph id="772770E5B3789C765A1035E9455720A5" pageId="0" pageNumber="161">
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<emphasis id="D08507B2F12B7BC3A10E861AE495DE4A" bold="true" italics="true" pageId="0" pageNumber="161">LM description</emphasis>
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(Fig.
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<figureCitation id="3E4BFFACB1572158FAE2631191F5AD1C" 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 id="BD7DE4414191EC8C7BC6971C05FC2EE3" originalValue="µm">µm</normalizedToken>
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, width 3.5-4.5
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<normalizedToken id="AF8D58C2051D490DC73A28AF71B153BE" 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 id="01AE5B9172E22D4706920F27825C3E84" 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 id="B1143A7A473DD8B988FD2A379F35105D" 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 id="99528EF694A919FF253ADA310FC8E280" 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 id="39676FF76ABE14DBFC7C792FD0A73971" originalValue="µm">µm</normalizedToken>
|
||
. Occasionally, one or two striae in the valve middle shortened (Fig.
|
||
<figureCitation id="EF36B28497BEC1E3EDA282EE995CCA78" 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>
|
||
), forming a very small dorsal central area. Ventral striae discernible in LM, interrupted in the valve middle (Fig.
|
||
<figureCitation id="FECE69F090D6BA7A9EC734ECF2262744" 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>
|
||
), 27-28 in 10
|
||
<normalizedToken id="B19245588C114778A62AF9DFF008E1C7" originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="98045FE83FBB9F4FA9E4A446BF7307A8" pageId="0" pageNumber="161">
|
||
<emphasis id="A3D3C06712F6B24624D3389A6020A96C" bold="true" italics="true" pageId="0" pageNumber="161">SEM description</emphasis>
|
||
(Fig.
|
||
<figureCitation id="2B73DDA67D9DED24632BCF048A83B76A" 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>
|
||
). 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.
|
||
<figureCitation id="1B5DCD75552557BA837566A33CDB1CBC" 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>
|
||
). Central raphe endings positioned relatively close together, slightly bent towards the dorsal side and pore-like enlarged (Fig.
|
||
<figureCitation id="AAD69DE094541532B39FA9EB4BC13981" 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>
|
||
). Terminal raphe fissures hooked to the dorsal side (Fig.
|
||
<figureCitation id="E31FDB27BBFDA54E46A2BF1E79E51FC6" 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>
|
||
). Dorsal striae biseriate, composed of rounded poroids, the latter 60-65 in 10
|
||
<normalizedToken id="D4C795D3A556F58965056A4CAE1E63A6" originalValue="µm">µm</normalizedToken>
|
||
. Striae continuing on the mantle, following a narrow dorsal ridge (Fig.
|
||
<figureCitation id="C42627D0ACD01FD59B4238E0000DD8CB" 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>
|
||
), where often reduced to a single, large areola (Fig.
|
||
<figureCitation id="A30F00CDAEDC745EB8E2130DF1C07C74" 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>
|
||
). Striae on the ventral side short, composed of only one or two rounded areolae, often fused to form a single elongated areola (Fig.
|
||
<figureCitation id="90A99784E4812A685618FE7BD3032E41" 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 id="AC500C6A496CDF44AC3BF096AF694485" 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 id="8F182B4617761FADF644E5F70FE802C2" 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 id="EA3E28500C7A63161CBEC948A230BC5D" 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 id="0B24C3B09591DF07DB9E7A364182E929" pageId="0" pageNumber="161" type="etymology">
|
||
<paragraph id="3677A7285530A11CA23C022D5635B16E" pageId="0" pageNumber="161">Etymology.</paragraph>
|
||
<paragraph id="B32FC7DDD317DE7088C61F242E79BB5D" 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 id="ED891491662DAF8FF9EF6EC007F79033" pageId="0" pageNumber="161" type="ecology">
|
||
<paragraph id="5139BEC1918B803A1AA6AE81FF5BC368" pageId="0" pageNumber="161">Ecology, Antarctic distribution and associated diatom flora.</paragraph>
|
||
<paragraph id="595EFB711F7052978D19B7CDFFFD22AA" pageId="0" pageNumber="161">
|
||
<taxonomicName id="C65612DDC210B69319946F2B638F204D" 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 id="DC082EA83DDF9593E766190D1B239994" italics="true" pageId="0" pageNumber="161">Halamphora kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
was typically observed in tidal pools (
|
||
<bibRefCitation id="2B097F3D3FB0DA50DE70E385D8FC4877" 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 id="0D9D2E8386AC13A1B65DD40202650231" class="Bacillariophyceae" genus="Amphora" kingdom="Chromista" lsidName="Amphora" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis id="F31C30B8BE866A6005F0762912228110" 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 id="75692DF2203E22BA468DB1E98C8F0B63" 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 id="471AD5B4D0065D7F96CA724D07573CC0" 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 id="8CAB68645193A7F80A52A1EAA87FCB62" italics="true" pageId="0" pageNumber="161">Parlibellus rhombicus</emphasis>
|
||
</taxonomicName>
|
||
W.Greg.,
|
||
<taxonomicName id="889E2F4C7AE14F67BB83861700966D16" 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 id="E87A365D3D389D717003AECC13175619" italics="true" pageId="0" pageNumber="161">Tabulariopsis australis</emphasis>
|
||
</taxonomicName>
|
||
(Perag.) D.M.Williams, and several
|
||
<taxonomicName id="80A34CFB500418475BCF535BB6218F35" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" lsidName="Navicula" order="Naviculales" pageId="0" pageNumber="161" phylum="Ochrophyta" rank="genus">
|
||
<emphasis id="27EB17E2B8CAC14B782C9BFF3AF69072" italics="true" pageId="0" pageNumber="161">Navicula</emphasis>
|
||
</taxonomicName>
|
||
species, including
|
||
<taxonomicName id="98CF511740F621E0F33CF79B08CA4E87" lsidName="N. perminuta" pageId="0" pageNumber="161" rank="species" species="perminuta">N. aff. perminuta</taxonomicName>
|
||
Grunow and
|
||
<taxonomicName id="A9A9644DF2D39B1452718CFFD695D09B" lsidName="N. glaciei" pageId="0" pageNumber="161" rank="species" species="glaciei">
|
||
<emphasis id="845895FAC3A19008F89DFBCB05CB33F7" italics="true" pageId="0" pageNumber="161">N. glaciei</emphasis>
|
||
</taxonomicName>
|
||
Van Heurck. So far,
|
||
<taxonomicName id="2A00FDFC44CC47EC9D8344F51E3DAAD9" lsidName="H. kenderoviana" pageId="0" pageNumber="161" rank="species" species="kenderoviana">
|
||
<emphasis id="A7D767252C82945164F4556A9333C386" 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 id="FE3390EA2A638C5524FE752EE66FE270" 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 id="05DA491C0FFFD00FB8739A3DB4F9277C" 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 id="A3A264CE1367F69B9BCDDDD6B7EDF97C" italics="true" pageId="0" pageNumber="161">Amphora coffeaeformis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="FFF15E5B0BEED876E196D568555D7563" 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 id="C20D20D0C0995495326BBB88CC9947E1" lsidName="H. kenderoviana" pageId="0" pageNumber="161" rank="species" species="kenderoviana">
|
||
<emphasis id="D7AFEBE8B7B073C4B04D605E9EE1DC15" italics="true" pageId="0" pageNumber="161">H. kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
, but it seems likely that at least some of the records of
|
||
<taxonomicName id="1EA19F8215AC632E4754D28F16E04711" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="A. coffeaeformis" order="Achnanthales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="species" species="coffeaeformis">
|
||
<emphasis id="4E86CCBFEC095FA8473DC2DE15FC8DDE" italics="true" pageId="0" pageNumber="161">A. coffeaeformis</emphasis>
|
||
</taxonomicName>
|
||
, transferred to
|
||
<taxonomicName id="D71066A8BB107691FE7AD010EAA99028" class="Bacillariophyceae" family="Amphipleuraceae" genus="Halamphora" kingdom="Plantae" lsidName="Halamphora" order="Naviculales" pageId="0" pageNumber="161" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="8A6F48FE6F5625DEB95D63A0B40A426F" italics="true" pageId="0" pageNumber="161">Halamphora</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="9F77C54D3590613FB6B9BB08DE27B002" 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 id="BD869E6BEB941392815B900E9AA31FC3" lsidName="H. coffeaeformis" pageId="0" pageNumber="161" rank="species" species="coffeaeformis">
|
||
<emphasis id="1B94D3DC77A73D01E6FBA578F63F181D" italics="true" pageId="0" pageNumber="161">H. coffeaeformis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<normalizedToken id="DF0491860820D2448F8B0C1A0EAE6F0A" originalValue="Kütz">Kuetz</normalizedToken>
|
||
.) Levkov, from saline waters in Antarctica might represent
|
||
<taxonomicName id="E5BA5E66CB93ECD5C1E8784296BDFBFB" lsidName="H. kenderoviana" pageId="0" pageNumber="161" rank="species" species="kenderoviana">
|
||
<emphasis id="E5BFD42A666988ADA6C36410947585A4" italics="true" pageId="0" pageNumber="161">H. kenderoviana</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |