269 lines
37 KiB
XML
269 lines
37 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.208.89913" ID-Pensoft-Pub="1314-2003-208-103" ID-Pensoft-UUID="88C0802178725C0F86DB6E2074FDD5AB" ModsDocID="1314-2003-208-103" checkinTime="1663785939964" checkinUser="pensoft" docAuthor="Lobban, Christopher S., Ashworth, Matt P., Camacho, Terance, Lam, Daryl W. & Theriot, Edward C." docDate="2022" docId="83F11755EDF7550EBF74C6A871F74A9C" docLanguage="en" docName="PhytoKeys 208: 103-184" docOrigin="PhytoKeys 208" docPubDate="2022-09-21" docSource="http://dx.doi.org/10.3897/phytokeys.208.89913" docTitle="Synedrosphenia licmophoropsis Lobban 2022, sp. nov." docType="treatment" docVersion="1" id="88C0802178725C0F86DB6E2074FDD5AB" lastPageNumber="103" masterDocId="88C0802178725C0F86DB6E2074FDD5AB" masterDocTitle="Revision of Ardissoneaceae (Bacillariophyta, Mediophyceae) from Micronesian populations, with descriptions of two new genera, Ardissoneopsis and Grunowago, and new species in Ardissonea, Synedrosphenia and Climacosphenia" masterLastPageNumber="184" masterPageNumber="103" pageNumber="103" updateTime="1663785939964" updateUser="pensoft">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Revision of Ardissoneaceae (Bacillariophyta, Mediophyceae) from Micronesian populations, with descriptions of two new genera, Ardissoneopsis and Grunowago, and new species in Ardissonea, Synedrosphenia and Climacosphenia</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Lobban, Christopher S.</mods:namePart>
|
||
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1596-0656</mods:nameIdentifier>
|
||
<mods:affiliation>Division of Natural Sciences, University of Guam, Mangilao, GU 96923, Guam, USA</mods:affiliation>
|
||
<mods:nameIdentifier type="email">clobban@guam.net</mods:nameIdentifier>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Ashworth, Matt P.</mods:namePart>
|
||
<mods:affiliation>Department of Molecular Biosciences, The University of Texas at Austin, Austin, Texas, USA</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Camacho, Terance</mods:namePart>
|
||
<mods:affiliation>Division of Natural Sciences, University of Guam, Mangilao, GU 96923, Guam, USA</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Lam, Daryl W.</mods:namePart>
|
||
<mods:affiliation>LSAMP Program, University of Guam, Mangilao, GU 96923, Guam, USA</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Theriot, Edward C.</mods:namePart>
|
||
<mods:affiliation>Department of Molecular Biosciences, The University of Texas at Austin, Austin, Texas, USA</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>PhytoKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2022</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2022-09-21</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>208</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>103</mods:start>
|
||
<mods:end>184</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/phytokeys.208.89913</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.208.89913</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1314-2003-208-103</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">88C0802178725C0F86DB6E2074FDD5AB</mods:identifier>
|
||
</mods:mods>
|
||
<treatment LSID="urn:lsid:plazi:treatment:83F11755EDF7550EBF74C6A871F74A9C" httpUri="http://treatment.plazi.org/id/83F11755EDF7550EBF74C6A871F74A9C" lastPageNumber="103" pageId="0" pageNumber="103">
|
||
<subSubSection pageId="0" pageNumber="103" type="nomenclature">
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<taxonomicName LSID="83F11755-EDF7-550E-BF74-C6A871F74A9C" authority="Lobban" authorityName="Lobban" authorityYear="2022" class="Fragilariophyceae" family="Ardissoneaceae" genus="Synedrosphenia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedrosphenia licmophoropsis" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="species" species="licmophoropsis" status="sp. nov.">Synedrosphenia licmophoropsis Lobban</taxonomicName>
|
||
<taxonomicNameLabel pageId="0" pageNumber="103">sp. nov.</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="description">
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">Figs 9</figureCitation>
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">, 10</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="diagnosis">
|
||
<paragraph pageId="0" pageNumber="103">Diagnosis.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">Extremely long heteropolar cells, differing from other species in the cuneate shape in valve and girdle views.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="description">
|
||
<paragraph pageId="0" pageNumber="103">Description.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">
|
||
Frustules heteropolar, tapering uniformly in both valve and girdle view (Figs
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9D</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10A, B</figureCitation>
|
||
), attached to seaweed substrata by mucilage stalks; plastids numerous, lenticular to oval (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9A, B</figureCitation>
|
||
). Valve margins parallel near basal pole, 14
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
wide, widening evenly to 27
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
wide just before the cuneate obtuse or slightly rostrate apical pole, length 600-735
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9A-D</figureCitation>
|
||
). Striae parallel except radiate near apical pole, 19 in 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
near the apical pole, 16-17 near the basal pole (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9E-H</figureCitation>
|
||
). Annulus, evident even in living specimens (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9A</figureCitation>
|
||
), nearly halfway between centerline and valve margin (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9B-H</figureCitation>
|
||
), underlain by a longitudinal costa except at apical pole (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9G, H</figureCitation>
|
||
). Valve border with a rim along its length and shallow pseudosepta at each pole (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9G, H</figureCitation>
|
||
), the latter matched by extensive development of the valvocopula. In girdle view, three bands evident, all fimbriate (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10A-C, F</figureCitation>
|
||
). Valvocopula bearing a row of pores at the edge of the pars interior and five rows of pores on the exterior near the apical pole, reduced to two near the basal pole, the pores in a decussate pattern, 27 in 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
, the edge of the pars interior bearing short fimbriae near the apical pole, longer elsewhere (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10D-F</figureCitation>
|
||
). The pars interior of the valvocopula at the poles formed a deep shelf with an irregular surface (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10D, E</figureCitation>
|
||
), creating a notch on one side and a shallower, longer gap on the other (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10A, B</figureCitation>
|
||
); notches were on opposite sides of both the valvocopula itself and when comparing epitheca and hypotheca (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10A, B</figureCitation>
|
||
arrows). The line of pores along the edge of pars exterior moved to inner edge of the gap and became slitlike (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10G</figureCitation>
|
||
, arrow). Copula (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10A, B, F, H</figureCitation>
|
||
) wider, again with pores in a decussate pattern, about 10 rows near apical pole diminishing to five at the basal pole, a wide delicate fringe along the edge of the pars interior. The relationship between the first two girdle bands at the poles is shown in Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10I</figureCitation>
|
||
. The pleura (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Synedrosphenia licmophoropsis sp. nov., girdle bands A, B frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU 55 D- 3) C small portion near middle of frustule where pleura (pl) is exposed (GU 76 B- 2) D, E basal pole of valvocopulae at 0 ° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU 76 B- 2 and TK 4, respectively) F portions of valvocopula and copula showing fimbriate inner edges (GU 55 D- 3) G valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU 44 BJ- 2) H apical portion of copula showing very long fimbriae at the tip (arrow) (GU 55 D- 3) I relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU 76 B- 2). Scale bars: 10 µm (A, B, F, H); 5 µm (C-E, G, I)." figureDoi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103">10A-C</figureCitation>
|
||
) had a broad apical cap, quickly tapering to a narrow external line with fimbriate pars interior, broadening again somewhat at the basal pole; this band lacked pores.
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103" start="Figure 9" startId="F9">
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<emphasis bold="true" pageId="0" pageNumber="103">Figure 9.</emphasis>
|
||
<taxonomicName authorityName="Lobban" authorityYear="2022" class="Fragilariophyceae" family="Ardissoneaceae" genus="Synedrosphenia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedrosphenia licmophoropsis" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="species" species="licmophoropsis">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">Synedrosphenia licmophoropsis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="103">A</emphasis>
|
||
apical pole of living cell showing plastids and annulus (arrow) (GU44AV-8)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">B-D</emphasis>
|
||
holotype valve from GU55B-4 in LM: apical and basal portions showing annulus and entire valve
|
||
<emphasis bold="true" pageId="0" pageNumber="103">E, F</emphasis>
|
||
external view of valve, SEM: basal and apical poles, respectively, same scale (GU44Y-13)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">G, H</emphasis>
|
||
apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU56A-2). Scale bars: 50
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="103">D</emphasis>
|
||
); 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="103">A-C, E-G</emphasis>
|
||
); 5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="103">H</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption doi="10.3897/phytokeys.208.89913.figure10" httpUri="https://binary.pensoft.net/fig/746726" pageId="0" pageNumber="103" start="Figure 10" startId="F10">
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<emphasis bold="true" pageId="0" pageNumber="103">Figure 10.</emphasis>
|
||
<taxonomicName authorityName="Lobban" authorityYear="2022" class="Fragilariophyceae" family="Ardissoneaceae" genus="Synedrosphenia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedrosphenia licmophoropsis" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="species" species="licmophoropsis">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">Synedrosphenia licmophoropsis</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., girdle bands
|
||
<emphasis bold="true" pageId="0" pageNumber="103">A, B</emphasis>
|
||
frustule in girdle view with thecal elements labeled, respectively on the apical part and the basal pole of the same cell also showing the asymmetrical apical notches in the valvocopula (arrows) (GU55D-3)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">C</emphasis>
|
||
small portion near middle of frustule where pleura (pl) is exposed (GU76B-2)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">D, E</emphasis>
|
||
basal pole of valvocopulae at 0° tilt with opposite valve in the background and tilted to show complex shape of the pars interior, arrowhead pointing toward notch (GU76B-2 and TK4, respectively)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">F</emphasis>
|
||
portions of valvocopula and copula showing fimbriate inner edges (GU55D-3)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">G</emphasis>
|
||
valvocopula, apical pole in abvalvar aspect with attached valve, showing elongated pores on inner edge (arrow) (GU44BJ-2)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">H</emphasis>
|
||
apical portion of copula showing very long fimbriae at the tip (arrow) (GU55D-3)
|
||
<emphasis bold="true" pageId="0" pageNumber="103">I</emphasis>
|
||
relationship between first two girdle bands at basal pole, the long fimbriae of the copula overlapping the valvocopula (GU76B-2). Scale bars: 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="103">A, B, F, H</emphasis>
|
||
); 5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="103">C-E, G, I</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="holotype">
|
||
<paragraph pageId="0" pageNumber="103">Holotype</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<emphasis bold="true" pageId="0" pageNumber="103">(designated here).</emphasis>
|
||
Specimen at 13.0 mm E and 5.0 mm S of the mark on slide 455, deposited at ANSP accession # ANSP-GC20086. Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Synedrosphenia licmophoropsis sp. nov. A apical pole of living cell showing plastids and annulus (arrow) (GU 44 AV- 8) B-D holotype valve from GU 55 B- 4 in LM: apical and basal portions showing annulus and entire valve E, F external view of valve, SEM: basal and apical poles, respectively, same scale (GU 44 Y- 13) G, H apical and basal poles, respectively, valve in internal view, SEM, showing longitudinal and transverse costae and pseudosepta (arrows) (GU 56 A- 2). Scale bars: 50 µm (D); 10 µm (A-C, E-G); 5 µm (H)." figureDoi="10.3897/phytokeys.208.89913.figure9" httpUri="https://binary.pensoft.net/fig/746725" pageId="0" pageNumber="103">9B-D</figureCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="registration">
|
||
<paragraph pageId="0" pageNumber="103">Registration.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">Phycobank http://phycobank.org/103237.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="type locality">
|
||
<paragraph pageId="0" pageNumber="103">Type locality.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<normalizedToken originalValue="“Pete’s">"Pete's</normalizedToken>
|
||
Reef" (commercial dive site), Agat Bay,
|
||
<geoCoordinate degrees="13.347" direction="north" orientation="latitude" precision="55" value="13.347">13.347°N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="144.639" direction="east" orientation="longitude" precision="55" value="144.639">144.639°E</geoCoordinate>
|
||
. Epiphytic on
|
||
<taxonomicName authorityName="J. V. F. Lamouroux" authorityYear="1812" class="Ulvophyceae" family="Halimedaceae" genus="Halimeda" kingdom="Plantae" lsidName="Halimeda" order="Bryopsidales" pageId="0" pageNumber="103" phylum="Chlorophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">Halimeda</emphasis>
|
||
</taxonomicName>
|
||
at 10 m, collection number GU55B-4, 13 Dec. 2008. C. Lobban and M. Schefter, leg.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="103">Additional materials examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">
|
||
<collectingCountry name="Guam">Guam</collectingCountry>
|
||
: GU44Y-13!, GU44AV-8!, GU54A-B!, GU56A-2!, GU66B-6!, GU76B-2.
|
||
<collectingCountry name="Micronesia">Federated States of Micronesia</collectingCountry>
|
||
:
|
||
<collectingRegion country="Micronesia" name="Yap">Yap</collectingRegion>
|
||
: Y-37-8!;
|
||
<collectingCountry name="Marshall Islands">Marshall Islands</collectingCountry>
|
||
: Bikar Atoll BA-5!.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="etymology">
|
||
<paragraph pageId="0" pageNumber="103">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">
|
||
Named for its resemblance to certain large
|
||
<taxonomicName authorityName="C.A.Agardh" authorityYear="1827" class="Bacillariophyceae" family="Licmophoraceae" genus="Licmophora" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Licmophora" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">Licmophora</emphasis>
|
||
</taxonomicName>
|
||
spp., especially
|
||
<taxonomicName lsidName="L. attenuata" pageId="0" pageNumber="103" rank="species" species="attenuata">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">L. attenuata</emphasis>
|
||
</taxonomicName>
|
||
Lobban, Tharngan and Ashworth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="103" type="taxonomic comments">
|
||
<paragraph pageId="0" pageNumber="103">Taxonomic comments.</paragraph>
|
||
<paragraph pageId="0" pageNumber="103">
|
||
Longer and more evenly tapered, apical pole broadly rounded, striae denser compared to
|
||
<taxonomicName lsidName="S. gomphonema" pageId="0" pageNumber="103" rank="species" species="gomphonema">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">S. gomphonema</emphasis>
|
||
</taxonomicName>
|
||
; valves appearing narrower than
|
||
<taxonomicName lsidName="S. gomphonema" pageId="0" pageNumber="103" rank="species" species="gomphonema">
|
||
<emphasis italics="true" pageId="0" pageNumber="103">S. gomphonema</emphasis>
|
||
</taxonomicName>
|
||
because of the greater length, but the apical poles are equally wide.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |