209 lines
32 KiB
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209 lines
32 KiB
XML
<document ID-DOI="10.11646/phytotaxa.560.2.6" ID-ISSN="1179-3163" ID-Zenodo-Dep="7040545" approvalRequired="4" approvalRequired_for_taxonomicNames="2" approvalRequired_for_textStreams="1" approvalRequired_for_treatments="1" checkinTime="1662028629131" checkinUser="plazi" docAuthor="Wu, Weiwei, Sun, Lin, Li, Xuesong, Liang, Junrong, Gao, Yahui & Chen, Changping" docDate="2022" docId="03C387E863427D67DBC7FA53FA98E04F" docLanguage="en" docName="phytotaxa.560.2..pdf" docOrigin="Phytotaxa 560 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.560.2.6" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.4:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="4" docTitle="Diploneis guangdongensis W. W. Wu, Y. H. Gao & C. P. Chen 2022, spec. nov." docType="treatment" docVersion="2" lastPageNumber="235" masterDocId="FFFAFF9063437D65DB4FFF83FF9FE227" masterDocTitle="A new small marine Diploneis species (Diploneidaceae, Bacillariophyta) from Guangdong Province, China" masterLastPageNumber="240" masterPageNumber="233" pageNumber="234" updateTime="1662029146866" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo>
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<mods:title>A new small marine Diploneis species (Diploneidaceae, Bacillariophyta) from Guangdong Province, China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Wu, Weiwei</mods:namePart>
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<mods:affiliation>15735176040 @ 163. com; https: // orcid. org / 0000 - 0002 - 7163 - 417 X</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Sun, Lin</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0003-2642-7232</mods:nameIdentifier>
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<mods:affiliation>State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China & sunlin 3353 @ 163. com; https: // orcid. org / 0000 - 0003 - 2642 - 7232</mods:affiliation>
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</mods:name>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Li, Xuesong</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0003-3715-4057</mods:nameIdentifier>
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<mods:affiliation>lxs @ xmu. edu. cn; https: // orcid. org / 0000 - 0003 - 3715 - 4057</mods:affiliation>
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<mods:nameIdentifier type="email">lxs@xmu.edu.cn</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Liang, Junrong</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-7130-4253</mods:nameIdentifier>
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<mods:affiliation>sunljr @ xmu. edu. cn; https: // orcid. org / 0000 - 0001 - 7130 - 4253</mods:affiliation>
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<mods:nameIdentifier type="email">sunljr@xmu.edu.cn</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Gao, Yahui</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-9566-5002</mods:nameIdentifier>
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<mods:affiliation>State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China & gaoyh @ xmu. edu. cn; https: // orcid. org / 0000 - 0001 - 9566 - 5002</mods:affiliation>
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<mods:nameIdentifier type="email">gaoyh@xmu.edu.cn</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Chen, Changping</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-3332-2458</mods:nameIdentifier>
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<mods:affiliation>chencp @ xmu. edu. cn; https: // orcid. org / 0000 - 0002 - 3332 - 2458</mods:affiliation>
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<mods:nameIdentifier type="email">chencp@xmu.edu.cn</mods:nameIdentifier>
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<mods:title>Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-09-01</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>560</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>233</mods:start>
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<mods:end>240</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.560.2.6</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.560.2.6</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7040545</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:03C387E863427D67DBC7FA53FA98E04F" httpUri="http://treatment.plazi.org/id/03C387E863427D67DBC7FA53FA98E04F" lastPageId="2" lastPageNumber="235" pageId="1" pageNumber="234">
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<subSubSection box="[136,1331,1488,1515]" pageId="1" pageNumber="234" type="nomenclature">
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<paragraph blockId="1.[136,1331,1488,1515]" box="[136,1331,1488,1515]" pageId="1" pageNumber="234">
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<heading box="[136,1331,1488,1515]" fontSize="11" level="2" pageId="1" pageNumber="234" reason="3">
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<emphasis bold="true" box="[136,940,1488,1515]" pageId="1" pageNumber="234">
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<taxonomicName authority="W.W.Wu, Y.H.Gao & C.P.Chen" authorityName="W. W. Wu, Y. H. Gao & C. P. Chen" authorityYear="2022" box="[136,822,1488,1515]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="1" pageNumber="234" phylum="Bacillariophyta" rank="species" species="guangdongensis" status="spec. nov.">
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<emphasis bold="true" box="[136,442,1488,1515]" italics="true" pageId="1" pageNumber="234">Diploneis guangdongensis</emphasis>
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W.W.Wu, Y.H.Gao & C.P.Chen
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</taxonomicName>
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<emphasis bold="true" box="[829,940,1488,1514]" italics="true" pageId="1" pageNumber="234">
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<taxonomicNameLabel box="[829,940,1488,1514]" pageId="1" pageNumber="234" rank="species">spec. nov.</taxonomicNameLabel>
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</emphasis>
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</emphasis>
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(LM
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<figureCitation box="[1006,1120,1488,1514]" captionStart="FIGURES 1–20" captionStartId="2.[136,243,1090,1112]" captionTargetBox="[263,1322,638,1063]" captionTargetPageId="2" captionText="FIGURES 1–20. Diploneis guangdongensis sp. nov. LM. 1–20. Valve view showing the size and shape. Fig. 2. Holotype specimen. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7040550" httpUri="https://zenodo.org/record/7040550/files/figure.png" pageId="1" pageNumber="234">Figs 1–20</figureCitation>
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, SEM
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<figureCitation box="[1196,1323,1488,1514]" captionStart-0="FIGURES 21–26" captionStart-1="FIGURES 27–32" captionStartId-0="3.[136,243,1608,1630]" captionStartId-1="5.[136,243,1654,1676]" captionTargetBox-0="[166,1421,207,1584]" captionTargetBox-1="[156,1425,325,1607]" captionTargetId-0="figure-19@3.[151,1436,190,1584]" captionTargetId-1="figure-84@5.[151,1436,317,1630]" captionTargetPageId-0="3" captionTargetPageId-1="5" captionText-0="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." captionText-1="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi-0="http://doi.org/10.5281/zenodo.7040552" figureDoi-1="http://doi.org/10.5281/zenodo.7040554" httpUri-0="https://zenodo.org/record/7040552/files/figure.png" httpUri-1="https://zenodo.org/record/7040554/files/figure.png" pageId="1" pageNumber="234">Figs 21–32</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="2" lastPageNumber="235" pageId="1" pageNumber="234" type="description">
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<paragraph blockId="1.[136,1452,1560,2091]" pageId="1" pageNumber="234">
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<emphasis bold="true" box="[136,312,1560,1586]" pageId="1" pageNumber="234">Description:—</emphasis>
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LM: The valves are elongated-elliptical with parallel margins and round apices (
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<figureCitation box="[1206,1322,1560,1586]" captionStart="FIGURES 1–20" captionStartId="2.[136,243,1090,1112]" captionTargetBox="[263,1322,638,1063]" captionTargetPageId="2" captionText="FIGURES 1–20. Diploneis guangdongensis sp. nov. LM. 1–20. Valve view showing the size and shape. Fig. 2. Holotype specimen. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7040550" httpUri="https://zenodo.org/record/7040550/files/figure.png" pageId="1" pageNumber="234">Figs 1–20</figureCitation>
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). The valve length is 6.5–12 µm, and the breadth is 3.0–4.0 µm. The axial area is narrow. The central area is distinct and quadratic to slightly rectangular in shape. Longitudinal canals are narrow and lanceolate in the flat median portion. The raphe is a narrow straight slit. Striae are not visible under LM.
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</paragraph>
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<paragraph blockId="1.[136,1452,1560,2091]" lastBlockId="2.[136,1452,158,617]" lastPageId="2" lastPageNumber="235" pageId="1" pageNumber="234">
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SEM: The valve surface is almost flat. Along both sides of the axial area, the longitudinal canal is lanceolate and linear, open outside by one row of C-shaped poroids throughout the whole length of the valve (
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<figureCitation box="[1257,1390,1740,1766]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Figs 22–24</figureCitation>
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). The openings of the canal are covered with volate occlusions externally (
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<figureCitation box="[900,1031,1776,1802]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Figs 23, 26</figureCitation>
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). At the valve apices, the longitudinal canal circles the distal raphe endings (
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<figureCitation box="[586,722,1812,1838]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Figs 21–23</figureCitation>
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). The axial area is very narrow and linear. The central area is quadratic to slightly rectangular, ca. 0.83–0.90 µm wide. Externally, the raphe is a narrow straight slit, with simple and slightly expanded drop-like proximal ends (
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<figureCitation box="[624,755,1884,1911]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Figs 24–25</figureCitation>
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). The distal raphe ends are simple and bent to the same side of the valve, terminating at some distance from the valve apices (
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<figureCitation box="[839,971,1920,1946]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Figs 22–23</figureCitation>
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). The area with volate occlusions occupies approximately one-fourth to one-sixth of the valve width (
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<figureCitation box="[787,917,1956,1982]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Figs 21, 26</figureCitation>
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). The alveoli open externally via elongated slits (
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<figureCitation box="[144,228,1992,2018]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Fig. 22</figureCitation>
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, white arrow). The slits are the areola occlusions, short and narrow, rarely branched. The striae are parallel in the middle of the valve, becoming slightly radiated at the valve apices,
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<quantity box="[925,1023,2028,2055]" metricMagnitude="-1" metricUnit="m" metricValue="8.254999999999999" metricValueMax="8.89" metricValueMin="7.62" pageId="1" pageNumber="234" unit="in" value="32.5" valueMax="35.0" valueMin="30.0">30–35 in</quantity>
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10 µm. The elongated slits are formed as an interspace between costae with the same shape (
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<figureCitation box="[756,840,2064,2090]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="1" pageNumber="234">Fig. 24</figureCitation>
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, white arrow). Each marginal flap is elongated to the margin of the valve. The other part of the alveolate striae is covered by a broadly semilune hyaline area at the middle of the valve, merging with the longitudinal canal (
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<figureCitation box="[696,827,194,221]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="2" pageNumber="235">Figs 21, 25</figureCitation>
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).
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</paragraph>
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<paragraph blockId="2.[136,1452,158,617]" pageId="2" pageNumber="235">
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Internally, the longitudinal canal is nonporous and enclosed by a thick silica plate (
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<figureCitation box="[1122,1297,230,256]" captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">Figs 27, 29–30</figureCitation>
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). The internal longitudinal canal is less silicified, the raphe is not placed in a depression formed by the longitudinal canals. The proximal raphe ends are slightly expanded into small, drop-like central pores bent to the same side of the valve (
|
||
<figureCitation captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">Figs 29, 32</figureCitation>
|
||
). The distal raphe ends are slightly expanded and straight (
|
||
<figureCitation box="[882,1015,338,364]" captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">Figs 30–31</figureCitation>
|
||
). Transapical costae are narrower than alveoli in both inner and outer valves (
|
||
<figureCitation box="[577,708,374,401]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="2" pageNumber="235">Figs 24–25</figureCitation>
|
||
,
|
||
<figureCitation box="[721,796,374,400]" captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">27, 29</figureCitation>
|
||
). The intercostal spaces consist of elongated alveoli (
|
||
<figureCitation captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">Figs 29–30</figureCitation>
|
||
), each occluded by a thin siliceous layer, bearing perforations in a hexagonal array (
|
||
<figureCitation box="[1146,1278,410,436]" captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">Figs 29–30</figureCitation>
|
||
). The cingulum is composed of two copulae without ornamentation (
|
||
<figureCitation box="[725,812,446,473]" captionStart="FIGURES 21–26" captionStartId="3.[136,243,1608,1630]" captionTargetBox="[166,1421,207,1584]" captionTargetId="figure-19@3.[151,1436,190,1584]" captionTargetPageId="3" captionText="FIGURES 21–26. Diploneis guangdongensis sp. nov., SEM external valve view. 21. External view of the whole valve. 22–23. External view of the elongated slits (Fig. 22, white arrow) and distal raphe endings. 24. Expanded, drop-shaped proximal raphe endings and structure of the longitudinal canal; the elongated slits are formed as an interspace between costae (white arrow). 25. Girdle bands. 26. External opening of alveoli covered with volae. Scale bars = 1 µm (Figs 21–22, 24–26); 500 nm (Fig. 23)." figureDoi="http://doi.org/10.5281/zenodo.7040552" httpUri="https://zenodo.org/record/7040552/files/figure.png" pageId="2" pageNumber="235">Figs 25</figureCitation>
|
||
,
|
||
<figureCitation box="[824,856,446,472]" captionStart="FIGURES 27–32" captionStartId="5.[136,243,1654,1676]" captionTargetBox="[156,1425,325,1607]" captionTargetId="figure-84@5.[151,1436,317,1630]" captionTargetPageId="5" captionText="FIGURES 27–32. Diploneis guangdongensis sp. nov., SEM internal valve views. 27. View of the entire valve. 28. Girdle bands. 29. Valve central area with slightly expanded proximal raphe endings bent to the same side of the valve. 30. Distal raphe endings and elongated alveoli occluded by a thin siliceous layer with perforations arranged in a hexagonal array. 31–32.Areolae in the corroded valve. Scale bars = 1 µm (Figs 27–28, 30, 32); 500 nm (Figs 29, 31)." figureDoi="http://doi.org/10.5281/zenodo.7040554" httpUri="https://zenodo.org/record/7040554/files/figure.png" pageId="2" pageNumber="235">28</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="235" type="materials_examined">
|
||
<paragraph blockId="2.[136,1452,158,617]" pageId="2" pageNumber="235">
|
||
<emphasis bold="true" box="[189,248,482,508]" pageId="2" pageNumber="235">Type</emphasis>
|
||
:
|
||
<emphasis bold="true" box="[256,284,482,508]" pageId="2" pageNumber="235">—</emphasis>
|
||
<materialsCitation collectingDate="2020-05-10" collectorName="L. Y. Tan" country="China" latitude="23.4378" location="Shantou City" longLatPrecision="7" longitude="117.1369" pageId="2" pageNumber="235" specimenCount="1" stateProvince="Guangdong" typeStatus="holotype">
|
||
<collectingCountry box="[284,361,482,508]" name="China" pageId="2" pageNumber="235">CHINA</collectingCountry>
|
||
.
|
||
<collectingRegion box="[373,616,482,508]" country="China" name="Guangdong" pageId="2" pageNumber="235">Guangdong Province</collectingRegion>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:03C387E863427D67DBC7FA53FA98E04F:8EB5602563417D67D939FE61FC93E3DB" box="[630,780,482,508]" country="China" latitude="23.4378" longLatPrecision="7" longitude="117.1369" name="Shantou City" pageId="2" pageNumber="235" stateProvince="Guangdong">Shantou City</location>
|
||
, sandy beach,
|
||
<geoCoordinate box="[951,1076,482,508]" degrees="23.4378" direction="north" orientation="latitude" pageId="2" pageNumber="235" precision="5" value="23.4378">23.4378°N</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[1090,1226,482,508]" degrees="117.1369" direction="east" orientation="longitude" pageId="2" pageNumber="235" precision="5" value="117.1369">117.1369°E</geoCoordinate>
|
||
,
|
||
<date box="[1239,1395,482,508]" pageId="2" pageNumber="235" value="2020-05-10">
|
||
<collectingDate box="[1239,1395,482,508]" pageId="2" pageNumber="235" value="2020-05-10">
|
||
10
|
||
<emphasis box="[1277,1327,483,508]" italics="true" pageId="2" pageNumber="235">May</emphasis>
|
||
2020
|
||
</collectingDate>
|
||
</date>
|
||
,
|
||
<emphasis italics="true" pageId="2" pageNumber="235">
|
||
<collectorName pageId="2" pageNumber="235">L.Y. Tan</collectorName>
|
||
</emphasis>
|
||
, (
|
||
<typeStatus box="[201,301,518,544]" pageId="2" pageNumber="235">holotype</typeStatus>
|
||
slide ST-200510-1! =
|
||
<figureCitation box="[563,634,518,544]" captionStart="FIGURES 1–20" captionStartId="2.[136,243,1090,1112]" captionTargetBox="[263,1322,638,1063]" captionTargetPageId="2" captionText="FIGURES 1–20. Diploneis guangdongensis sp. nov. LM. 1–20. Valve view showing the size and shape. Fig. 2. Holotype specimen. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7040550" httpUri="https://zenodo.org/record/7040550/files/figure.png" pageId="2" pageNumber="235">Fig. 2</figureCitation>
|
||
; isotype Slide ST-200510-2, both deposited in the Biology Department Herbarium, Xiamen University (AU), China.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[189,1287,590,617]" pageId="2" pageNumber="235" type="etymology">
|
||
<paragraph blockId="2.[136,1452,158,617]" box="[189,1287,590,617]" pageId="2" pageNumber="235">
|
||
<emphasis bold="true" box="[189,318,590,616]" pageId="2" pageNumber="235">Etymology</emphasis>
|
||
:
|
||
<emphasis bold="true" box="[326,354,590,616]" pageId="2" pageNumber="235">—</emphasis>
|
||
The epithet “
|
||
<taxonomicName authorityName="W. W. Wu, Y. H. Gao & C. P. Chen" authorityYear="2022" box="[500,682,590,616]" class="Bacillariophyceae" family="Naviculaceae" genus="Diploneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="235" phylum="Bacillariophyta" rank="species" species="guangdongensis">
|
||
<emphasis box="[500,682,590,616]" italics="true" pageId="2" pageNumber="235">guangdongensis</emphasis>
|
||
</taxonomicName>
|
||
” refers to the site where the new taxon was collected.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |