315 lines
51 KiB
XML
315 lines
51 KiB
XML
<document id="3945EBA6522A635B487E7FF7BC184C5F" ID-DOI="10.11646/phytotaxa.291.4.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="13699374" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725572070541" checkinUser="felipe" docAuthor="Chen, Changping, Sun, Jiandong, Zhao, Long, Sun, Lin, Li, Xuesong, Liang, Junrong & Gao, Yahui" docDate="2017" docId="03810F2D516AB93BFF44FA78FB5DFF19" docLanguage="en" docName="phytotaxa.291.4.2.pdf" docOrigin="Phytotaxa 291 (4)" docSource="http://dx.doi.org/10.11646/phytotaxa.291.4.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Navicula amoyensis Gao, Sun & Chen 2017, sp. nov." docType="treatment" docVersion="2" lastPageNumber="256" masterDocId="FFB87755516BB93FFFCCFFACFFBEFFC4" masterDocTitle="Navicula amoyensis sp. nov. (Bacillariophyceae), a new benthic brackish diatom species from the Jiulong River estuary, Southern China" masterLastPageNumber="263" masterPageNumber="253" pageNumber="254" updateTime="1725581796504" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="0D1EE09FF34D2792130E4DB82304ADF5">Navicula amoyensis sp. nov. (Bacillariophyceae), a new benthic brackish diatom species from the Jiulong River estuary, Southern China</mods:title>
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<mods:namePart id="FCB3B6E47C53374F37CA87845EEA76B1">Chen, Changping</mods:namePart>
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<mods:affiliation id="6012FDE68C71234501B8C04A51F92CE4">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:namePart id="2E0744C8DC921A36C0ECB9E5A4A9E10B">Sun, Jiandong</mods:namePart>
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<mods:affiliation id="D86DAE60FFEA64C3B301579C42E44C9E">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:namePart id="26208A197711FD170369E4CAF9026CF3">Zhao, Long</mods:namePart>
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<mods:affiliation id="9D0058271EAEEA0B89DD298057BC3D92">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:namePart id="11C3C139A57912D135D53B6220FE90B1">Sun, Lin</mods:namePart>
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<mods:affiliation id="C1D3D40EC1DAF3E25E07CB5B6AC7B9A1">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:namePart id="0C2475F54D29D3FC6B3BF6B7BFB10D38">Li, Xuesong</mods:namePart>
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<mods:affiliation id="43768BCF10718F9B002F55590979AA14">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:namePart id="D58C31A73AA037906C9CABBF53D0EC77">Liang, Junrong</mods:namePart>
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<mods:affiliation id="5A08C305A75A515105E5A6D70BF672B1">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:namePart id="5F7D9044C6252A636C63DB3D6175B1BE">Gao, Yahui</mods:namePart>
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<mods:affiliation id="D1C5ECB6760C11AF4EACD8EDD84F853C">School of Life Sciences, Xiamen University, Xiamen 361102, China;</mods:affiliation>
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<mods:title id="D11FF12E1125519C4A53097564262869">Phytotaxa</mods:title>
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<mods:date id="7DCF6B641A04BB0CE18A17ADB453562B">2017</mods:date>
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<mods:number id="CB72A73863BD5E642F301C927E54AA15">2017-01-18</mods:number>
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<mods:number id="B37DA3EAEF85E9FA27E49CE2782B3056">291</mods:number>
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<mods:url id="909AAFE2F4B6116BBD20BE2A4B8C74A1">http://dx.doi.org/10.11646/phytotaxa.291.4.2</mods:url>
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<mods:classification id="DB6589A0F94FE5A4FC6175272F7C2189">journal article</mods:classification>
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<mods:identifier id="E720DE4C68D9983B93FF51989E053C16" type="DOI">10.11646/phytotaxa.291.4.2</mods:identifier>
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<mods:identifier id="EF89B4E24C87438DF5BBA6E479689940" type="ISSN">1179-3163</mods:identifier>
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<subSubSection id="C332EDB0516AB93EFF44FA78FC9FF893" pageId="1" pageNumber="254" type="nomenclature">
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<paragraph id="8B97BE3B516AB93EFF44FA78FC87FA2B" blockId="1.[136,825,1492,1519]" box="[136,825,1492,1519]" pageId="1" pageNumber="254">
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<heading id="D0DF0957516AB93EFF44FA78FC87FA2B" bold="true" box="[136,825,1492,1519]" fontSize="11" level="1" pageId="1" pageNumber="254" reason="1">
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<taxonomicName id="4C28C5B8516AB93EFF44FA78FDF5FA2B" authority="Gao, Sun & Chen" authorityName="Gao, Sun & Chen" authorityYear="2017" box="[136,587,1492,1519]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="1" pageNumber="254" phylum="Ochrophyta" rank="species" species="amoyensis" status="sp. nov.">
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<emphasis id="B95C6229516AB93EFF44FA78FED1FA2A" bold="true" box="[136,367,1492,1519]" italics="true" pageId="1" pageNumber="254">Navicula amoyensis</emphasis>
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Gao, Sun & Chen
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</taxonomicName>
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,
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<emphasis id="B95C6229516AB93EFD94FA78FD10FA2A" bold="true" box="[600,686,1492,1518]" italics="true" pageId="1" pageNumber="254">
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<taxonomicNameLabel id="A26FDF52516AB93EFD94FA78FD10FA2A" box="[600,686,1492,1518]" pageId="1" pageNumber="254" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="1313A2BE516AB93EFD71FA7AFC8FFA2B" box="[701,817,1494,1519]" captionStart-0="FIGURES 1–8" captionStart-1="FIGURES 9–12" captionStart-2="FIGURES 13–18" captionStart-3="FIGURES 19–22" captionStartId-0="2.[136,243,1551,1572]" captionStartId-1="3.[136,243,1229,1250]" captionStartId-2="4.[136,243,1582,1603]" captionStartId-3="5.[136,243,1774,1795]" captionTargetBox-1="[151,1436,190,1204]" captionTargetBox-2="[151,1436,281,1556]" captionTargetBox-3="[151,1436,190,1749]" captionTargetId-1="figure-14@3.[151,1436,190,1204]" captionTargetId-2="figure-48@4.[151,1436,281,1557]" captionTargetId-3="figure-14@5.[151,1436,190,1749]" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionText-0="FIGURES 1–8. LM micrographs of Navicula amoyensis. Scale bar = 10 μm." captionText-1="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." captionText-2="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." captionText-3="FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm." figureDoi-1="http://doi.org/10.5281/zenodo.13699376" figureDoi-2="http://doi.org/10.5281/zenodo.13699378" figureDoi-3="http://doi.org/10.5281/zenodo.13699380" httpUri-1="https://zenodo.org/record/13699376/files/figure.png" httpUri-2="https://zenodo.org/record/13699378/files/figure.png" httpUri-3="https://zenodo.org/record/13699380/files/figure.png" pageId="1" pageNumber="254">Figs 1–22</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B97BE3B516AB93EFF44F9B2FC9FF893" blockId="1.[136,1452,1566,1879]" pageId="1" pageNumber="254">
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LM (
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<figureCitation id="1313A2BE516AB93EFF0EF9B2FE94F9F3" box="[194,298,1566,1591]" captionStart="FIGURES 1–8" captionStartId="2.[136,243,1551,1572]" captionText="FIGURES 1–8. LM micrographs of Navicula amoyensis. Scale bar = 10 μm." pageId="1" pageNumber="254">Figs 1–8</figureCitation>
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): Frustules rectangular in girdle view and somewhat constricted in the middle (
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<figureCitation id="1313A2BE516AB93EFB7FF9B2FB47F9F3" box="[1203,1273,1566,1591]" captionStart="FIGURES 1–8" captionStartId="2.[136,243,1551,1572]" captionText="FIGURES 1–8. LM micrographs of Navicula amoyensis. Scale bar = 10 μm." pageId="1" pageNumber="254">Fig. 8</figureCitation>
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). Cells solitary, valves linear-lanceolate to elliptic-lanceolate with rounded apices, not protracted. Valve length 38–67 μm, width 8–10 μm, the ratio of length to width is 3.8–5. Raphe filiform, moderately pronounced, with simple linear central endings, weakly deflected at the terminal ends. Axial area narrow and linear, expanding into asymmetrical rectangular to panduriform central nodule, defined by several shortened central striae (
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<figureCitation id="1313A2BE516AB93EFC06F902FB8EF903" box="[970,1072,1710,1735]" captionStart="FIGURES 1–8" captionStartId="2.[136,243,1551,1572]" captionText="FIGURES 1–8. LM micrographs of Navicula amoyensis. Scale bar = 10 μm." pageId="1" pageNumber="254">Figs 1–7</figureCitation>
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). Terminal area distinguishable in LM, moderately large, semi-circular or triangular in shape. Striae coarse, strongly radiate in the middle, more or less parallel to very weakly convergent near valve ends. Striae rarely observed to be nearly parallel at middle of valve. Striae evenly spaced throughout,
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<quantity id="4CD013DE516AB93EFDCCF8B6FDF9F8F7" box="[512,583,1818,1843]" metricMagnitude="-1" metricUnit="m" metricValue="2.159" metricValueMax="2.286" metricValueMin="2.032" pageId="1" pageNumber="254" unit="in" value="8.5" valueMax="9.0" valueMin="8.0">8–9 in</quantity>
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10 μm. Interstriae of broader or equal width than striae. Lineolae composing the striae densely spaced, not discernible in LM (
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<figureCitation id="1313A2BE516AB93EFD62F892FCAAF893" box="[686,788,1854,1879]" captionStart="FIGURES 1–8" captionStartId="2.[136,243,1551,1572]" captionText="FIGURES 1–8. LM micrographs of Navicula amoyensis. Scale bar = 10 μm." pageId="1" pageNumber="254">Figs 1–7</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<caption id="DF57EEB35169B93DFF44F9A3FCD0F9E0" box="[136,878,1551,1572]" pageId="2" pageNumber="255" startId="2.[136,243,1551,1572]" targetType="figure">
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<paragraph id="8B97BE3B5169B93DFF44F9A3FCD0F9E0" blockId="2.[136,878,1551,1572]" box="[136,878,1551,1572]" pageId="2" pageNumber="255">
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<emphasis id="B95C62295169B93DFF44F9A3FE9DF9E0" bold="true" box="[136,291,1551,1572]" pageId="2" pageNumber="255">FIGURES 1–8.</emphasis>
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LM micrographs of
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<taxonomicName id="4C28C5B85169B93DFE27F9A3FD15F9E0" box="[491,683,1551,1572]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="255" phylum="Ochrophyta" rank="species" species="amoyensis">
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<emphasis id="B95C62295169B93DFE27F9A3FD15F9E0" box="[491,683,1551,1572]" italics="true" pageId="2" pageNumber="255">Navicula amoyensis</emphasis>
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</taxonomicName>
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. Scale bar = 10 μm.
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</paragraph>
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</caption>
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<subSubSection id="C332EDB05169B93BFF71F9F9FB5DFF19" lastPageId="4" lastPageNumber="257" pageId="2" pageNumber="255" type="description">
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<paragraph id="8B97BE3B5169B93DFF71F9F9FAF6F882" blockId="2.[136,1452,1621,2042]" pageId="2" pageNumber="255">
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SEM (
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<figureCitation id="1313A2BE5169B93DFECAF9F9FEC2F9AA" box="[262,380,1621,1646]" captionStart-0="FIGURES 9–12" captionStart-1="FIGURES 13–18" captionStart-2="FIGURES 19–22" captionStartId-0="3.[136,243,1229,1250]" captionStartId-1="4.[136,243,1582,1603]" captionStartId-2="5.[136,243,1774,1795]" captionTargetBox-0="[151,1436,190,1204]" captionTargetBox-1="[151,1436,281,1556]" captionTargetBox-2="[151,1436,190,1749]" captionTargetId-0="figure-14@3.[151,1436,190,1204]" captionTargetId-1="figure-48@4.[151,1436,281,1557]" captionTargetId-2="figure-14@5.[151,1436,190,1749]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionText-0="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." captionText-1="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." captionText-2="FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm." figureDoi-0="http://doi.org/10.5281/zenodo.13699376" figureDoi-1="http://doi.org/10.5281/zenodo.13699378" figureDoi-2="http://doi.org/10.5281/zenodo.13699380" httpUri-0="https://zenodo.org/record/13699376/files/figure.png" httpUri-1="https://zenodo.org/record/13699378/files/figure.png" httpUri-2="https://zenodo.org/record/13699380/files/figure.png" pageId="2" pageNumber="255">Figs 9–22</figureCitation>
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): External views: valve face gently curved in transapical section merging gradually into mantle. Raphe filiform, the axial area is not elevated over valve surface externally (
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<figureCitation id="1313A2BE5169B93DFC14F9D5FBA3F956" box="[984,1053,1657,1682]" captionStart="FIGURES 9–12" captionStartId="3.[136,243,1229,1250]" captionTargetBox="[151,1436,190,1204]" captionTargetId="figure-14@3.[151,1436,190,1204]" captionTargetPageId="3" captionText="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699376" httpUri="https://zenodo.org/record/13699376/files/figure.png" pageId="2" pageNumber="255">Fig. 9</figureCitation>
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). Central raphe endings continuous (
|
||
<figureCitation id="1313A2BE5169B93DFF5CF931FF5CF972" box="[144,226,1693,1718]" captionStart="FIGURES 9–12" captionStartId="3.[136,243,1229,1250]" captionTargetBox="[151,1436,190,1204]" captionTargetId="figure-14@3.[151,1436,190,1204]" captionTargetPageId="3" captionText="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699376" httpUri="https://zenodo.org/record/13699376/files/figure.png" pageId="2" pageNumber="255">Fig. 10</figureCitation>
|
||
). Terminal raphe endings distant, hooked towards the secondary side of the valve (
|
||
<figureCitation id="1313A2BE5169B93DFBA4F931FB58F972" box="[1128,1254,1693,1718]" captionStart="FIGURES 9–12" captionStartId="3.[136,243,1229,1250]" captionTargetBox="[151,1436,190,1204]" captionTargetId="figure-14@3.[151,1436,190,1204]" captionTargetPageId="3" captionText="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699376" httpUri="https://zenodo.org/record/13699376/files/figure.png" pageId="2" pageNumber="255">Figs 11, 12</figureCitation>
|
||
). Striae uniseriate throughout valve face and mantle. 4 or 6 rows of central lineolae present on valve mantle only. Lineolae linear or slitlike,
|
||
<quantity id="4CD013DE5169B93DFF0FF949FE96F93A" box="[195,296,1765,1790]" metricMagnitude="-1" metricUnit="m" metricValue="9.525" metricValueMax="9.906" metricValueMin="9.144" pageId="2" pageNumber="255" unit="in" value="37.5" valueMax="39.0" valueMin="36.0">36–39 in</quantity>
|
||
10 μm (
|
||
<figureCitation id="1313A2BE5169B93DFE41F949FDBAF93A" box="[397,516,1765,1790]" captionStart="FIGURES 9–12" captionStartId="3.[136,243,1229,1250]" captionTargetBox="[151,1436,190,1204]" captionTargetId="figure-14@3.[151,1436,190,1204]" captionTargetPageId="3" captionText="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699376" httpUri="https://zenodo.org/record/13699376/files/figure.png" pageId="2" pageNumber="255">Figs 9–12</figureCitation>
|
||
). Two rows of apical areolae surround the valve apex, positioned on apical valve mantle. The number and length in two rows of apical areolae are different. Prominent hyaline area present throughout valve mantle in girdle view. Girdle band quite broad and unornamented, with pectinate margin (
|
||
<figureCitation id="1313A2BE5169B93DFB75F881FA85F882" box="[1209,1339,1837,1862]" captionStart="FIGURES 19–22" captionStartId="5.[136,243,1774,1795]" captionTargetBox="[151,1436,190,1749]" captionTargetId="figure-14@5.[151,1436,190,1749]" captionTargetPageId="5" captionText="FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13699380" httpUri="https://zenodo.org/record/13699380/files/figure.png" pageId="2" pageNumber="255">Figs 21, 22</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B97BE3B5169B93DFF65F8FDFBE1F83E" blockId="2.[136,1452,1621,2042]" pageId="2" pageNumber="255">
|
||
Internal views: Striae positioned in shallow linear depressions (
|
||
<figureCitation id="1313A2BE5169B93DFCB4F8FDFC72F8AE" box="[888,972,1873,1898]" captionStart="FIGURES 13–18" captionStartId="4.[136,243,1582,1603]" captionTargetBox="[151,1436,281,1556]" captionTargetId="figure-48@4.[151,1436,281,1557]" captionTargetPageId="4" captionText="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699378" httpUri="https://zenodo.org/record/13699378/files/figure.png" pageId="2" pageNumber="255">Fig. 17</figureCitation>
|
||
). Central raphe endings are simple, linear, with a distinct central interruption (
|
||
<figureCitation id="1313A2BE5169B93DFDD6F8D9FDD1F84A" box="[538,623,1909,1934]" captionStart="FIGURES 13–18" captionStartId="4.[136,243,1582,1603]" captionTargetBox="[151,1436,281,1556]" captionTargetId="figure-48@4.[151,1436,281,1557]" captionTargetPageId="4" captionText="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699378" httpUri="https://zenodo.org/record/13699378/files/figure.png" pageId="2" pageNumber="255">Fig. 15</figureCitation>
|
||
). An accessory rib, lies at the primary side of the raphe-sternum, with an additional lateral thickening at the center of the accessory rib (
|
||
<figureCitation id="1313A2BE5169B93DFCF8F835FC0DF876" box="[820,947,1945,1970]" captionStart="FIGURES 13–18" captionStartId="4.[136,243,1582,1603]" captionTargetBox="[151,1436,281,1556]" captionTargetId="figure-48@4.[151,1436,281,1557]" captionTargetPageId="4" captionText="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699378" httpUri="https://zenodo.org/record/13699378/files/figure.png" pageId="2" pageNumber="255">Figs 13, 14</figureCitation>
|
||
). Semicircular hyaline area clearly developed in central area (
|
||
<figureCitation id="1313A2BE5169B93DFEF8F811FE09F812" box="[308,439,1981,2006]" captionStart-0="FIGURES 13–18" captionStart-1="FIGURES 19–22" captionStartId-0="4.[136,243,1582,1603]" captionStartId-1="5.[136,243,1774,1795]" captionTargetBox-0="[151,1436,281,1556]" captionTargetBox-1="[151,1436,190,1749]" captionTargetId-0="figure-48@4.[151,1436,281,1557]" captionTargetId-1="figure-14@5.[151,1436,190,1749]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." captionText-1="FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm." figureDoi-0="http://doi.org/10.5281/zenodo.13699378" figureDoi-1="http://doi.org/10.5281/zenodo.13699380" httpUri-0="https://zenodo.org/record/13699378/files/figure.png" httpUri-1="https://zenodo.org/record/13699380/files/figure.png" pageId="2" pageNumber="255">Figs 18–20</figureCitation>
|
||
). Terminal raphe fissures end in rounded helictoglossae, and in line with the raphe fissures. The thickened area behind the helictoglossae is narrow and transverse (
|
||
<figureCitation id="1313A2BE5169B93DFC6AF84DFC43F83E" box="[934,1021,2017,2042]" captionStart="FIGURES 13–18" captionStartId="4.[136,243,1582,1603]" captionTargetBox="[151,1436,281,1556]" captionTargetId="figure-48@4.[151,1436,281,1557]" captionTargetPageId="4" captionText="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13699378" httpUri="https://zenodo.org/record/13699378/files/figure.png" pageId="2" pageNumber="255">Figs 16</figureCitation>
|
||
,
|
||
<figureCitation id="1313A2BE5169B93DFBC5F84DFBEDF83E" box="[1033,1107,2017,2042]" captionStart="FIGURES 19–22" captionStartId="5.[136,243,1774,1795]" captionTargetBox="[151,1436,190,1749]" captionTargetId="figure-14@5.[151,1436,190,1749]" captionTargetPageId="5" captionText="FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13699380" httpUri="https://zenodo.org/record/13699380/files/figure.png" pageId="2" pageNumber="255">19, 20</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF57EEB35168B93CFF44FB61FAD3FAEE" ID-DOI="http://doi.org/10.5281/zenodo.13699376" ID-Zenodo-Dep="13699376" httpUri="https://zenodo.org/record/13699376/files/figure.png" pageId="3" pageNumber="256" startId="3.[136,243,1229,1250]" targetBox="[151,1436,190,1204]" targetPageId="3" targetType="figure">
|
||
<paragraph id="8B97BE3B5168B93CFF44FB61FAD3FAEE" blockId="3.[136,1451,1229,1322]" pageId="3" pageNumber="256">
|
||
<emphasis id="B95C62295168B93CFF44FB61FE8EFB26" bold="true" box="[136,304,1229,1250]" pageId="3" pageNumber="256">FIGURES 9–12.</emphasis>
|
||
Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B97BE3B5168B93CFF71FAF6FE61FA1B" blockId="3.[136,1452,1370,2079]" pageId="3" pageNumber="256">
|
||
Type:—
|
||
<collectingCountry id="F33FFEAB5168B93CFED6FAF6FEE1FAB7" box="[282,351,1370,1395]" name="China" pageId="3" pageNumber="256">China</collectingCountry>
|
||
. The intertidal zone of sand beach in Nantaiwu district, the estuary of Jiulong River, the southwest Xiamen island,
|
||
<collectingRegion id="49EC70D95168B93CFE8CFAD2FE36FA53" box="[320,392,1406,1431]" country="China" name="Fujian" pageId="3" pageNumber="256">Fujian</collectingRegion>
|
||
(
|
||
<geoCoordinate id="EE1CD8FC5168B93CFE56FAD2FD9DFA53" box="[410,547,1406,1431]" degrees="24" direction="north" minutes="22" orientation="latitude" pageId="3" pageNumber="256" precision="15" seconds="55" value="24.381945">24°22′55″N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE1CD8FC5168B93CFDFEFAD2FD08FA53" box="[562,694,1406,1431]" degrees="118" direction="east" minutes="3" orientation="longitude" pageId="3" pageNumber="256" precision="15" seconds="46" value="118.06278">118°3′46″E</geoCoordinate>
|
||
),
|
||
<emphasis id="B95C62295168B93CFD02FAD2FC00FA53" box="[718,958,1404,1431]" italics="true" pageId="3" pageNumber="256">
|
||
<date id="FF9698FB5168B93CFD02FAD2FC04FA53" box="[718,954,1404,1431]" pageId="3" pageNumber="256" value="2015-12-15">
|
||
15
|
||
<superScript id="7C5D13735168B93CFD26FAD0FD49FA4E" attach="left" box="[746,759,1404,1418]" fontSize="6" pageId="3" pageNumber="256">th</superScript>
|
||
December 2015
|
||
</date>
|
||
,
|
||
</emphasis>
|
||
collector
|
||
<emphasis id="B95C62295168B93CFBF9FAD2FBC3FA53" box="[1077,1149,1406,1431]" italics="true" pageId="3" pageNumber="256">J. Sun</emphasis>
|
||
, School of Life Sciences, Xiamen University, Xiamen (
|
||
<typeStatus id="549300995168B93CFE1BFA0EFD85FA7F" box="[471,571,1442,1467]" pageId="3" pageNumber="256" type="holotype">holotype</typeStatus>
|
||
XMU!, individual on slide MMDL 151201, here illustrated as fig 5.
|
||
<typeStatus id="549300995168B93CFA95FA0EFA15FA7F" box="[1369,1451,1442,1467]" pageId="3" pageNumber="256" type="isotype">Isotype</typeStatus>
|
||
XMU!, slide MMDL 151202).
|
||
</paragraph>
|
||
<paragraph id="8B97BE3B5168B93CFF71FA46FE38F9E3" blockId="3.[136,1452,1370,2079]" pageId="3" pageNumber="256">
|
||
Etymology:—The specific epithet refers to Xiamen which is close to the sampling site (the Latin adjective of Xiamen is
|
||
<taxonomicName id="4C28C5B85168B93CFECDF9A2FEC8F9E3" box="[257,374,1550,1575]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFECDF9A2FEC8F9E3" box="[257,374,1550,1575]" italics="true" pageId="3" pageNumber="256">amoyensis</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B97BE3B5168B93CFF71F99EFC69F8E7" blockId="3.[136,1452,1370,2079]" pageId="3" pageNumber="256">
|
||
Ecology:—In the sampling site, the sediment
|
||
<typeStatus id="549300995168B93CFD75F99EFD57F98F" box="[697,745,1586,1611]" pageId="3" pageNumber="256">type</typeStatus>
|
||
is classed as medium silt, salinity of water is 25.3 ± 3.6 ppt, pH is 7.96 ± 0.56, and water temperature is 25.7 ± 3.4 °C showing that
|
||
<taxonomicName id="4C28C5B85168B93CFC42F9FAFB9BF9AB" box="[910,1061,1622,1647]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFC42F9FAFB9BF9AB" box="[910,1061,1622,1647]" italics="true" pageId="3" pageNumber="256">N. amoyensis</emphasis>
|
||
</taxonomicName>
|
||
is epipelic and lives in the coastal environment. The motile cells were observed within the sediments. In living cells the central portion is accentuated by the two plastids, which lie against each side of the girdle. Each plastid contains a rod-shaped pyrenoid. In girdle view the plastids occupy more than half the length of the cell. Together with
|
||
<taxonomicName id="4C28C5B85168B93CFC23F96EFB38F91F" box="[1007,1158,1730,1755]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFC23F96EFB38F91F" box="[1007,1158,1730,1755]" italics="true" pageId="3" pageNumber="256">N. amoyensis</emphasis>
|
||
</taxonomicName>
|
||
the most frequent species in the assemblage were:
|
||
<taxonomicName id="4C28C5B85168B93CFE69F94AFC74F93B" authority="(C. Agardh) Levkov" authorityName="Levkov" authorityYear="2009" baseAuthorityName="C. Agardh" box="[421,970,1766,1791]" class="Bacillariophyceae" family="Naviculaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Bacillariophyta" rank="species" species="coffeaeformis">
|
||
<emphasis id="B95C62295168B93CFE69F94AFD6BF93B" box="[421,725,1766,1791]" italics="true" pageId="3" pageNumber="256">Halamphora coffeaeformis</emphasis>
|
||
(C. Agardh) Levkov
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C28C5B85168B93CFC14F94AFA94F93B" authority="Grunow" authorityName="Grunow" authorityYear="1879" box="[984,1322,1766,1791]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="3" pageNumber="256" phylum="Arthropoda" rank="species" species="lorenziana">
|
||
<emphasis id="B95C62295168B93CFC14F94AFB7FF93B" box="[984,1217,1766,1791]" italics="true" pageId="3" pageNumber="256">Nitzschia lorenziana</emphasis>
|
||
Grunow
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C28C5B85168B93CFAFBF94AFD95F8E7" authority="(Grunow) Cleve" authorityName="Cleve" baseAuthorityName="Grunow" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="256" phylum="Bacillariophyta" rank="variety" species="scutellum" variety="parva">
|
||
<emphasis id="B95C62295168B93CFAFBF94AFF4DF8E7" italics="true" pageId="3" pageNumber="256">Cocconeis scutellum</emphasis>
|
||
var.
|
||
<emphasis id="B95C62295168B93CFEE0F8A6FED3F8E7" box="[300,365,1802,1827]" italics="true" pageId="3" pageNumber="256">parva</emphasis>
|
||
(Grunow) Cleve
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C28C5B85168B93CFDAEF8A6FC69F8E7" authority="Kutzing." authorityName="Kutzing." box="[610,983,1802,1827]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="cryptocephala">
|
||
<emphasis id="B95C62295168B93CFDAEF8A6FCD0F8E7" box="[610,878,1802,1827]" italics="true" pageId="3" pageNumber="256">Navicula cryptocephala</emphasis>
|
||
Kützing.
|
||
</taxonomicName>
|
||
</paragraph>
|
||
<paragraph id="8B97BE3B5168B93BFF71F882FB5DFF19" blockId="3.[136,1452,1370,2079]" lastBlockId="4.[136,1451,160,221]" lastPageId="4" lastPageNumber="257" pageId="3" pageNumber="256">
|
||
<emphasis id="B95C62295168B93CFF71F882FEDBF883" bold="true" box="[189,357,1838,1863]" pageId="3" pageNumber="256">Observations:</emphasis>
|
||
—
|
||
<taxonomicName id="4C28C5B85168B93CFE4DF882FDDEF883" box="[385,608,1838,1863]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFE4DF882FDDEF883" box="[385,608,1838,1863]" italics="true" pageId="3" pageNumber="256">Navicula amoyensis</emphasis>
|
||
</taxonomicName>
|
||
can be compared to
|
||
<taxonomicName id="4C28C5B85168B93CFCF1F882FB01F883" authority="Ehrenberg (1986: 96)" authorityName="Ehrenberg" authorityPageNumber="96" authorityYear="1986" box="[829,1215,1838,1863]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="cari">
|
||
<emphasis id="B95C62295168B93CFCF1F882FC6AF883" box="[829,980,1838,1863]" italics="true" pageId="3" pageNumber="256">Navicula cari</emphasis>
|
||
Ehrenberg (1986:96)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C28C5B85168B93CFB1CF882FE39F8AF" authority="Schoemann (1986: 99)" authorityName="Schoemann" authorityPageNumber="99" authorityYear="1986" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="libonensis">
|
||
<emphasis id="B95C62295168B93CFB1CF882FA12F883" box="[1232,1452,1838,1863]" italics="true" pageId="3" pageNumber="256">Navicula libonensis</emphasis>
|
||
Schoemann (1986: 99)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C28C5B85168B93CFE5DF8FEFD1BF8AF" authority="Kutzing" authorityName="Kutzing" box="[401,677,1874,1899]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="veneta">
|
||
<emphasis id="B95C62295168B93CFE5DF8FEFDFBF8AF" box="[401,581,1874,1899]" italics="true" pageId="3" pageNumber="256">Navicula veneta</emphasis>
|
||
Kutzing
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFB9C3CA5168B93CFD7FF8FEFCF3F8AF" author="Cox, E. J." box="[691,845,1874,1899]" pageId="3" pageNumber="256" pagination="91 - 111" refId="ref4611" refString="Cox, E. J. (1995) Studies on the diatom genus Navicula Bory. VII. The identity and typification of Navicula gregaria Donkin, N. cryptocephala Kutz. and related taxa. Diatom Research 10: 91 - 111. https: // doi. org / 10.1080 / 0269249 X. 1995.9705330" type="journal article" year="1995">Cox 1995: 98</bibRefCitation>
|
||
),
|
||
<taxonomicName id="4C28C5B85168B93CFCACF8FEFB63F8AF" authority="(Ehrenberg) Ralfs" authorityName="Ralfs" baseAuthorityName="Ehrenberg" box="[864,1245,1874,1899]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="cincta">
|
||
<emphasis id="B95C62295168B93CFCACF8FEFBB1F8AF" box="[864,1039,1874,1899]" italics="true" pageId="3" pageNumber="256">Navicula cincta</emphasis>
|
||
(Ehrenberg) Ralfs
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFB9C3CA5168B93CFB26F8FEFF0AF84B" author="Witkowski, A. & Lange-Bertalot, H. & Metzeltin, D." pageId="3" pageNumber="256" pagination="1 - 925" refId="ref6371" refString="Witkowski, A., Lange-Bertalot, H. & Metzeltin, D. (2000) Diatom flora of marine coastsa I. Iconographia Diatomologica 7: 1 - 925." type="journal article" year="2000">Witkowski 2000: 662</bibRefCitation>
|
||
) and
|
||
<taxonomicName id="4C28C5B85168B93CFF35F8DAFD9CF84B" authority="Reichardt" authorityName="Reichardt" box="[249,546,1910,1935]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="lundii">
|
||
<emphasis id="B95C62295168B93CFF35F8DAFE14F84B" box="[249,426,1910,1935]" italics="true" pageId="3" pageNumber="256">Navicula lundii</emphasis>
|
||
Reichardt
|
||
</taxonomicName>
|
||
(Langer-Bertalot 2001: 46) (
|
||
<tableCitation id="C6AA8B805168B93CFCB9F8DAFC73F84B" box="[885,973,1910,1935]" captionStart="TABLE 1" captionStartId="6.[136,224,642,665]" captionText="TABLE 1. Comparison of the morphometric characteristics of Navicula amoyensis and related taxa. Data from related taxa adapted from Lange-Bertalot (2001)." pageId="3" pageNumber="256">Table 1</tableCitation>
|
||
).
|
||
<taxonomicName id="4C28C5B85168B93CFC25F8DAFBE8F84B" box="[1001,1110,1910,1935]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="veneta">
|
||
<emphasis id="B95C62295168B93CFC25F8DAFBE8F84B" box="[1001,1110,1910,1935]" italics="true" pageId="3" pageNumber="256">N. veneta</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C28C5B85168B93CFB58F8DAFB43F84B" box="[1172,1277,1910,1935]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="cincta">
|
||
<emphasis id="B95C62295168B93CFB58F8DAFB43F84B" box="[1172,1277,1910,1935]" italics="true" pageId="3" pageNumber="256">N. cincta</emphasis>
|
||
</taxonomicName>
|
||
differ from
|
||
<taxonomicName id="4C28C5B85168B93CFA5EF8DAFF43F877" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFA5EF8DAFF43F877" italics="true" pageId="3" pageNumber="256">N. amoyensis</emphasis>
|
||
</taxonomicName>
|
||
mainly by their central area and hooked terminal raphe endings.
|
||
<taxonomicName id="4C28C5B85168B93CFC1EF836FBDAF877" authorityName="Schoemann" authorityYear="1986" box="[978,1124,1946,1971]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="libonensis">
|
||
<emphasis id="B95C62295168B93CFC1EF836FBDAF877" box="[978,1124,1946,1971]" italics="true" pageId="3" pageNumber="256">N. libonensis</emphasis>
|
||
</taxonomicName>
|
||
is smaller (25–40 μm length, 5.5–8 μm width), with lower density of areolae.
|
||
<taxonomicName id="4C28C5B85168B93CFD7EF812FCABF813" box="[690,789,1982,2007]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="lundii">
|
||
<emphasis id="B95C62295168B93CFD7EF812FCABF813" box="[690,789,1982,2007]" italics="true" pageId="3" pageNumber="256">N. lundii</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C28C5B85168B93CFC62F812FBFBF813" box="[942,1093,1982,2007]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFC62F812FBFBF813" box="[942,1093,1982,2007]" italics="true" pageId="3" pageNumber="256">N. amoyensis</emphasis>
|
||
</taxonomicName>
|
||
by its narrower valves, smaller central area and higher density of striae.
|
||
<taxonomicName id="4C28C5B85168B93CFD91F84EFD13F83F" authorityName="Ehrenberg" authorityYear="1986" box="[605,685,2018,2043]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="cari">
|
||
<emphasis id="B95C62295168B93CFD91F84EFD13F83F" box="[605,685,2018,2043]" italics="true" pageId="3" pageNumber="256">N. cari</emphasis>
|
||
</taxonomicName>
|
||
is most similar to
|
||
<taxonomicName id="4C28C5B85168B93CFC4AF84EFBA0F83F" box="[902,1054,2018,2043]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="256" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C62295168B93CFC4AF84EFBA0F83F" box="[902,1054,2018,2043]" italics="true" pageId="3" pageNumber="256">N. amoyensis</emphasis>
|
||
</taxonomicName>
|
||
, but is distinguished from it by its striae pattern (9–12 striae in 10 μm, paralle to convergent at the ends) and hooked terminal raphe endings (
|
||
<tableCitation id="C6AA8B805168B93CFA89F7AAFA24F7DB" box="[1349,1434,2054,2079]" captionStart="TABLE 1" captionStartId="6.[136,224,642,665]" captionText="TABLE 1. Comparison of the morphometric characteristics of Navicula amoyensis and related taxa. Data from related taxa adapted from Lange-Bertalot (2001)." pageId="3" pageNumber="256">Table 1</tableCitation>
|
||
). The following features in our SEM observations distinguish
|
||
<taxonomicName id="4C28C5B8516FB93BFCE7FF0CFBB5FF7D" box="[811,1035,160,185]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="257" phylum="Ochrophyta" rank="species" species="amoyensis">
|
||
<emphasis id="B95C6229516FB93BFCE7FF0CFBB5FF7D" box="[811,1035,160,185]" italics="true" pageId="4" pageNumber="257">Navicula amoyensis</emphasis>
|
||
</taxonomicName>
|
||
from these species, a) terminal raphe endings, b) central area, c) terminal area, d) apical pores, and e) internal accessory ribs (
|
||
<figureCitation id="1313A2BE516FB93BFBADFF68FB68FF19" box="[1121,1238,196,221]" captionStart-0="FIGURES 1–8" captionStart-1="FIGURES 9–12" captionStart-2="FIGURES 13–18" captionStart-3="FIGURES 19–22" captionStartId-0="2.[136,243,1551,1572]" captionStartId-1="3.[136,243,1229,1250]" captionStartId-2="4.[136,243,1582,1603]" captionStartId-3="5.[136,243,1774,1795]" captionTargetBox-1="[151,1436,190,1204]" captionTargetBox-2="[151,1436,281,1556]" captionTargetBox-3="[151,1436,190,1749]" captionTargetId-1="figure-14@3.[151,1436,190,1204]" captionTargetId-2="figure-48@4.[151,1436,281,1557]" captionTargetId-3="figure-14@5.[151,1436,190,1749]" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionText-0="FIGURES 1–8. LM micrographs of Navicula amoyensis. Scale bar = 10 μm." captionText-1="FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm." captionText-2="FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm." captionText-3="FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm." figureDoi-1="http://doi.org/10.5281/zenodo.13699376" figureDoi-2="http://doi.org/10.5281/zenodo.13699378" figureDoi-3="http://doi.org/10.5281/zenodo.13699380" httpUri-1="https://zenodo.org/record/13699376/files/figure.png" httpUri-2="https://zenodo.org/record/13699378/files/figure.png" httpUri-3="https://zenodo.org/record/13699380/files/figure.png" pageId="4" pageNumber="257">Figs 1–22</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |