239 lines
30 KiB
XML
239 lines
30 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="B483AA28E6A750B6AE640877CF7E49E5" 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 parva 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:B483AA28E6A750B6AE640877CF7E49E5" httpUri="http://treatment.plazi.org/id/B483AA28E6A750B6AE640877CF7E49E5" lastPageNumber="103" pageId="0" pageNumber="103">
|
|
<subSubSection pageId="0" pageNumber="103" type="nomenclature">
|
|
<paragraph pageId="0" pageNumber="103">
|
|
<taxonomicName LSID="B483AA28-E6A7-50B6-AE64-0877CF7E49E5" authority="Lobban" authorityName="Lobban" authorityYear="2022" class="Fragilariophyceae" family="Ardissoneaceae" genus="Synedrosphenia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedrosphenia parva" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="species" species="parva" status="sp. nov.">Synedrosphenia parva 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 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">Figs 11</figureCitation>
|
|
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Synedrosphenia parva sp. nov., cont. All GU 75 A- 4 A, B valvocopula showing apical internal side from abvalvar position, and portion of middle from advalvar side, respectively, showing row of pores along base of pars interior and fimbriae C internal view of apical pole with valvocopula in situ and the copula, broken in the middle, covering the valvocopula around the apical pole and left side D basal pole of same specimen, again showing the long fimbriae overlapping the valvocopula E, F frustules tilted to show polar (apical) architecture of, respectively a recently divided cell, where the pleura is in place between the copulae of the two cingula, and a non-dividing cell G detail of a pleura loosened from its position and showing some of the fimbriae (still tucked under the copula at top of image). Scale bars: 10 µm (A); 5 µm (B, D-F); 2.5 µm (C, D, G)." figureDoi="10.3897/phytokeys.208.89913.figure12" httpUri="https://binary.pensoft.net/fig/746728" pageId="0" pageNumber="103">, 12</figureCitation>
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="103" type="diagnosis">
|
|
<paragraph pageId="0" pageNumber="103">Diagnosis.</paragraph>
|
|
<paragraph pageId="0" pageNumber="103">
|
|
Shorter and 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>
|
|
and more finely striated. Girdle bands distinctive: copula with very long internal fimbriae at poles, pleura a large apical cap.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="103" type="description">
|
|
<paragraph pageId="0" pageNumber="103">Description.</paragraph>
|
|
<paragraph pageId="0" pageNumber="103">
|
|
Frustules heteropolar in valve and girdle views (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11A, F, G</figureCitation>
|
|
) with numerous small plastids (not shown). Valves 196-250
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
long, 18
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
wide near the apical pole, clavate with acutely rounded to weakly rostrate apical poles (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11A-E</figureCitation>
|
|
). The annulus evident in LM but close to edge of valve face (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11A, C</figureCitation>
|
|
). Valve surface with weak longitudinal furrows, mantle deeper toward apical pole (ca. 11 vs. 5 areolae deep) (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11 B, C, F, G</figureCitation>
|
|
). Striae 16 in 10
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
near basal pole, 18-20 in 10
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
near apical pole, parallel except radiate at apical pole (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11A-E</figureCitation>
|
|
). Pseudosepta present at both poles (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11D, E</figureCitation>
|
|
); longitudinal costae subtending annulus and transverse costae on vimenes except at apical pole (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11D, E</figureCitation>
|
|
). Three girdle bands are present (Figs
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11F, G</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Synedrosphenia parva sp. nov., cont. All GU 75 A- 4 A, B valvocopula showing apical internal side from abvalvar position, and portion of middle from advalvar side, respectively, showing row of pores along base of pars interior and fimbriae C internal view of apical pole with valvocopula in situ and the copula, broken in the middle, covering the valvocopula around the apical pole and left side D basal pole of same specimen, again showing the long fimbriae overlapping the valvocopula E, F frustules tilted to show polar (apical) architecture of, respectively a recently divided cell, where the pleura is in place between the copulae of the two cingula, and a non-dividing cell G detail of a pleura loosened from its position and showing some of the fimbriae (still tucked under the copula at top of image). Scale bars: 10 µm (A); 5 µm (B, D-F); 2.5 µm (C, D, G)." figureDoi="10.3897/phytokeys.208.89913.figure12" httpUri="https://binary.pensoft.net/fig/746728" pageId="0" pageNumber="103">12E-G</figureCitation>
|
|
). Valvocopula with a row of pores along outer edge of pars interior plus three rows decreasing to one on pars exterior; pars interior with a notched flange at each pole and a fimbriate edge (Fig.
|
|
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Synedrosphenia parva sp. nov., cont. All GU 75 A- 4 A, B valvocopula showing apical internal side from abvalvar position, and portion of middle from advalvar side, respectively, showing row of pores along base of pars interior and fimbriae C internal view of apical pole with valvocopula in situ and the copula, broken in the middle, covering the valvocopula around the apical pole and left side D basal pole of same specimen, again showing the long fimbriae overlapping the valvocopula E, F frustules tilted to show polar (apical) architecture of, respectively a recently divided cell, where the pleura is in place between the copulae of the two cingula, and a non-dividing cell G detail of a pleura loosened from its position and showing some of the fimbriae (still tucked under the copula at top of image). Scale bars: 10 µm (A); 5 µm (B, D-F); 2.5 µm (C, D, G)." figureDoi="10.3897/phytokeys.208.89913.figure12" httpUri="https://binary.pensoft.net/fig/746728" pageId="0" pageNumber="103">12B</figureCitation>
|
|
). Copula with up to nine rows of pores at apical pole in decussate pattern, decreasing to three near basal pole (Figs
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11F, G</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Synedrosphenia parva sp. nov., cont. All GU 75 A- 4 A, B valvocopula showing apical internal side from abvalvar position, and portion of middle from advalvar side, respectively, showing row of pores along base of pars interior and fimbriae C internal view of apical pole with valvocopula in situ and the copula, broken in the middle, covering the valvocopula around the apical pole and left side D basal pole of same specimen, again showing the long fimbriae overlapping the valvocopula E, F frustules tilted to show polar (apical) architecture of, respectively a recently divided cell, where the pleura is in place between the copulae of the two cingula, and a non-dividing cell G detail of a pleura loosened from its position and showing some of the fimbriae (still tucked under the copula at top of image). Scale bars: 10 µm (A); 5 µm (B, D-F); 2.5 µm (C, D, G)." figureDoi="10.3897/phytokeys.208.89913.figure12" httpUri="https://binary.pensoft.net/fig/746728" pageId="0" pageNumber="103">12C, D</figureCitation>
|
|
). Pleurae a pair of polar caps (connecting band not seen), the apical cap relatively massive with small pores and fimbriate (Figs
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11F</figureCitation>
|
|
,
|
|
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Synedrosphenia parva sp. nov., cont. All GU 75 A- 4 A, B valvocopula showing apical internal side from abvalvar position, and portion of middle from advalvar side, respectively, showing row of pores along base of pars interior and fimbriae C internal view of apical pole with valvocopula in situ and the copula, broken in the middle, covering the valvocopula around the apical pole and left side D basal pole of same specimen, again showing the long fimbriae overlapping the valvocopula E, F frustules tilted to show polar (apical) architecture of, respectively a recently divided cell, where the pleura is in place between the copulae of the two cingula, and a non-dividing cell G detail of a pleura loosened from its position and showing some of the fimbriae (still tucked under the copula at top of image). Scale bars: 10 µm (A); 5 µm (B, D-F); 2.5 µm (C, D, G)." figureDoi="10.3897/phytokeys.208.89913.figure12" httpUri="https://binary.pensoft.net/fig/746728" pageId="0" pageNumber="103">12E-G</figureCitation>
|
|
), basal cap smaller, with fewer pores (Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11G</figureCitation>
|
|
arrowhead).
|
|
</paragraph>
|
|
<caption doi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103" start="Figure 11" startId="F11">
|
|
<paragraph pageId="0" pageNumber="103">
|
|
<emphasis bold="true" pageId="0" pageNumber="103">Figure 11.</emphasis>
|
|
<taxonomicName authorityName="Lobban" authorityYear="2022" class="Fragilariophyceae" family="Ardissoneaceae" genus="Synedrosphenia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedrosphenia parva" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="species" species="parva">
|
|
<emphasis italics="true" pageId="0" pageNumber="103">Synedrosphenia parva</emphasis>
|
|
</taxonomicName>
|
|
sp. nov.
|
|
<emphasis bold="true" pageId="0" pageNumber="103">A</emphasis>
|
|
holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU75A-4)
|
|
<emphasis bold="true" pageId="0" pageNumber="103">B, C</emphasis>
|
|
valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU75A-4)
|
|
<emphasis bold="true" pageId="0" pageNumber="103">D, E</emphasis>
|
|
internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J5)
|
|
<emphasis bold="true" pageId="0" pageNumber="103">F, G</emphasis>
|
|
frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in
|
|
<emphasis bold="true" pageId="0" pageNumber="103">G</emphasis>
|
|
indicates the apparent end of the pleura); arrows on
|
|
<emphasis bold="true" pageId="0" pageNumber="103">F, G</emphasis>
|
|
point to polar notches (GU75A-4). Scale bars: 25
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="103">A</emphasis>
|
|
); 10
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="103">B, C, F, G</emphasis>
|
|
); 5
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="103">D, E</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
<caption doi="10.3897/phytokeys.208.89913.figure12" httpUri="https://binary.pensoft.net/fig/746728" pageId="0" pageNumber="103" start="Figure 12" startId="F12">
|
|
<paragraph pageId="0" pageNumber="103">
|
|
<emphasis bold="true" pageId="0" pageNumber="103">Figure 12.</emphasis>
|
|
<taxonomicName authorityName="Lobban" authorityYear="2022" class="Fragilariophyceae" family="Ardissoneaceae" genus="Synedrosphenia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedrosphenia parva" order="Ardissoneales" pageId="0" pageNumber="103" phylum="Ochrophyta" rank="species" species="parva">
|
|
<emphasis italics="true" pageId="0" pageNumber="103">Synedrosphenia parva</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., cont. All GU75A-4
|
|
<emphasis bold="true" pageId="0" pageNumber="103">A, B</emphasis>
|
|
valvocopula showing apical internal side from abvalvar position, and portion of middle from advalvar side, respectively, showing row of pores along base of pars interior and fimbriae
|
|
<emphasis bold="true" pageId="0" pageNumber="103">C</emphasis>
|
|
internal view of apical pole with valvocopula in situ and the copula, broken in the middle, covering the valvocopula around the apical pole and left side
|
|
<emphasis bold="true" pageId="0" pageNumber="103">D</emphasis>
|
|
basal pole of same specimen, again showing the long fimbriae overlapping the valvocopula
|
|
<emphasis bold="true" pageId="0" pageNumber="103">E, F</emphasis>
|
|
frustules tilted to show polar (apical) architecture of, respectively a recently divided cell, where the pleura is in place between the copulae of the two cingula, and a non-dividing cell
|
|
<emphasis bold="true" pageId="0" pageNumber="103">G</emphasis>
|
|
detail of a pleura loosened from its position and showing some of the fimbriae (still tucked under the copula at top of image). Scale bars: 10
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="103">A</emphasis>
|
|
); 5
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="103">B, D-F</emphasis>
|
|
); 2.5
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis bold="true" pageId="0" pageNumber="103">C, D, G</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 15.3 mm E and 12.7 mm S of the mark on slide 2326, deposited at ANSP accession # ANSP-GC20088. Fig.
|
|
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Synedrosphenia parva sp. nov. A holotype from Guam in LM, arrow indicates annulus near valve face-mantle junction (GU 75 A- 4) B, C valve in external view (SEM), basal and apical poles, respectively, arrow indicates annulus (GU 75 A- 4) D, E internal views of apical and basal poles, respectively, arrows indicate pseudoseptum (J 5) F, G frustule in girdle view, apical and basal portions, respectively, showing the girdle bands including the large apical cap of the pleura, smaller at the basal pole and perhaps not connected (arrowhead in G indicates the apparent end of the pleura); arrows on F, G point to polar notches (GU 75 A- 4). Scale bars: 25 µm (A); 10 µm (B, C, F, G); 5 µm (D, E)." figureDoi="10.3897/phytokeys.208.89913.figure11" httpUri="https://binary.pensoft.net/fig/746727" pageId="0" pageNumber="103">11A</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/103238.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="103" type="type locality">
|
|
<paragraph pageId="0" pageNumber="103">Type locality.</paragraph>
|
|
<paragraph pageId="0" pageNumber="103">
|
|
Agat Reef behind Anae I., Agat Bay,
|
|
<geoCoordinate degrees="13.357" direction="north" orientation="latitude" precision="55" value="13.357">13.357°N</geoCoordinate>
|
|
,
|
|
<geoCoordinate degrees="144.645" direction="east" orientation="longitude" precision="55" value="144.645">144.645°E</geoCoordinate>
|
|
. Epiphytic on seaweed at low tide line, collection number GU75A-4, 6 May 2017. 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">
|
|
F.S.M.: Chuuk, TK4!;
|
|
<collectingCountry name="Marshall Islands">Marshall Islands</collectingCountry>
|
|
.
|
|
<collectingRegion country="Marshall Islands" name="Jaluit">Jaluit Atoll</collectingRegion>
|
|
, J5!.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="103" type="etymology">
|
|
<paragraph pageId="0" pageNumber="103">Etymology.</paragraph>
|
|
<paragraph pageId="0" pageNumber="103">Named for its small size within the genus.</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |