336 lines
64 KiB
XML
336 lines
64 KiB
XML
<document id="AEBA93A4A72A7E2A11BC4738A56836E9" ID-DOI="10.11646/phytotaxa.203.3.4" ID-ISSN="1179-3163" ID-Zenodo-Dep="13638954" 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="1725341038316" checkinUser="felipe" docAuthor="Liu, Bing, Williams, David M. & Huang, Bangqin" docDate="2015" docId="4555A913FFE8FF8D13E3EC78FF21FD4B" docLanguage="en" docName="phytotaxa.203.3.4.pdf" docOrigin="Phytotaxa 203 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.203.3.4" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Gyrosigma rostratum Bing Liu, D. M. Williams and Bangqin Huang 2015, sp. nov." docType="treatment" docVersion="2" lastPageNumber="259" masterDocId="B96CD16BFFEAFF88136BEB48FFE8FF9F" masterDocTitle="Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China" masterLastPageNumber="262" masterPageNumber="254" pageNumber="256" updateTime="1725347079469" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="5F337ECD1EFCCE94BF84B2EA7DD73072">Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China</mods:title>
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<mods:name id="B753A0988D861883F21A02337039128D" type="personal">
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<mods:namePart id="388BA36D9F9494F287FA3CB6959D44F2">Liu, Bing</mods:namePart>
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<mods:affiliation id="341A4F147A651A22CF7F691A3C98EB99">Key Laboratory of Coastal and Wetland Ecosystems, Ministry of Education, College of the Environment & Ecology, Xiamen University, Xiamen 361005, China. & College of Biology and Environmental Science, Jishou University, Jishou 416000, China.</mods:affiliation>
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<mods:namePart id="9101AEC2308FB09D3AC065870ABF23FB">Williams, David M.</mods:namePart>
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<mods:affiliation id="5106A82D49E12B22517CD5929FED2A85">Department of Botany, The Natural History Museum, Cromwell Road, London SW 7 5 BD, United Kingdom.</mods:affiliation>
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<mods:namePart id="C56D120C0A9D69221530ED2190F7F45A">Huang, Bangqin</mods:namePart>
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<mods:affiliation id="7BDEEF893934C0BE63D46850CD66569D">Key Laboratory of Coastal and Wetland Ecosystems, Ministry of Education, College of the Environment & Ecology, Xiamen University, Xiamen 361005, China.</mods:affiliation>
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<mods:title id="913FFB7D80709492E768558F770DA856">Phytotaxa</mods:title>
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<mods:part id="37EFFDD7D4C322D22A7498D6A2BE62D7">
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<mods:date id="E5BD34D11354FF09AE0FE376916AE707">2015</mods:date>
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<mods:number id="8B51C07F27ACB3C06126C503A1B2ACCD">2015-03-25</mods:number>
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<mods:number id="A3B0E710505FD24B3EA9CF90997E9EB2">203</mods:number>
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<mods:url id="B68560F52C54454C246BDA00326E62D7">http://dx.doi.org/10.11646/phytotaxa.203.3.4</mods:url>
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<mods:classification id="B993CD7B6797BA046451D2F15B9EDA9A">journal article</mods:classification>
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<treatment id="4555A913FFE8FF8D13E3EC78FF21FD4B" ID-DOI="http://doi.org/10.5281/zenodo.13638884" ID-Zenodo-Dep="13638884" LSID="urn:lsid:plazi:treatment:4555A913FFE8FF8D13E3EC78FF21FD4B" httpUri="http://treatment.plazi.org/id/4555A913FFE8FF8D13E3EC78FF21FD4B" lastPageId="5" lastPageNumber="259" pageId="2" pageNumber="256">
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<subSubSection id="85E64B8EFFE8FF8A13E3EC78FB71F8D4" box="[136,1177,1840,1867]" pageId="2" pageNumber="256" type="nomenclature">
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<paragraph id="CD431805FFE8FF8A13E3EC78FB71F8D4" blockId="2.[136,1177,1840,1867]" box="[136,1177,1840,1867]" pageId="2" pageNumber="256">
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<heading id="960BAF69FFE8FF8A13E3EC78FB71F8D4" bold="true" box="[136,1177,1840,1867]" fontSize="11" level="1" pageId="2" pageNumber="256" reason="1">
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<emphasis id="FF88C417FFE8FF8A13E3EC78FB71F8D4" bold="true" box="[136,1177,1840,1867]" pageId="2" pageNumber="256">
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<taxonomicName id="0AFC6386FFE8FF8A13E3EC78FC4DF8D4" authority="Bing Liu, D.M. Williams and Bangqin Huang" authorityName="Bing Liu, D. M. Williams and Bangqin Huang" authorityYear="2015" box="[136,933,1840,1867]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="256" phylum="Bacillariophyta" rank="species" species="rostratum" status="sp. nov.">
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<emphasis id="FF88C417FFE8FF8A13E3EC78FE97F8D5" bold="true" box="[136,383,1840,1866]" italics="true" pageId="2" pageNumber="256">Gyrosigma rostratum</emphasis>
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Bing Liu, D.M. Williams and Bangqin Huang
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</taxonomicName>
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,
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<emphasis id="FF88C417FFE8FF8A10DAEC78FBEFF8D5" bold="true" box="[945,1031,1840,1866]" italics="true" pageId="2" pageNumber="256">
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<taxonomicNameLabel id="E4BB796CFFE8FF8A10DAEC78FBEFF8D5" box="[945,1031,1840,1866]" pageId="2" pageNumber="256" rank="species">sp. nov.</taxonomicNameLabel>
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||
</emphasis>
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||
(
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<figureCitation id="55C70480FFE8FF8A177CEC7AFB7AF8D4" box="[1047,1170,1842,1867]" captionStart-0="FIGURES 2–11" captionStart-1="FIGURES 12–16" captionStart-2="FIGURES 17–20" captionStartId-0="3.[136,243,1954,1975]" captionStartId-1="4.[136,243,1922,1943]" captionStartId-2="5.[136,243,1714,1735]" captionTargetBox-0="[343,1244,785,1928]" captionTargetBox-1="[215,1371,461,1897]" captionTargetBox-2="[151,1436,749,1689]" captionTargetId-0="figure-330@3.[343,1244,785,1928]" captionTargetId-1="figure-140@4.[215,1371,461,1897]" captionTargetId-2="figure-272@5.[151,1436,749,1690]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionText-0="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." captionText-1="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." captionText-2="FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20)." figureDoi-0="http://doi.org/10.5281/zenodo.13638960" figureDoi-1="http://doi.org/10.5281/zenodo.13638962" figureDoi-2="http://doi.org/10.5281/zenodo.13638964" httpUri-0="https://zenodo.org/record/13638960/files/figure.png" httpUri-1="https://zenodo.org/record/13638962/files/figure.png" httpUri-2="https://zenodo.org/record/13638964/files/figure.png" pageId="2" pageNumber="256">Figs. 2–20</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="85E64B8EFFE8FF8B13E3EC34FDDEFD66" lastPageId="3" lastPageNumber="257" pageId="2" pageNumber="256" type="materials_examined">
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<paragraph id="CD431805FFE8FF8A13E3EC34FC45F846" blockId="2.[136,1452,1916,2009]" pageId="2" pageNumber="256">
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<emphasis id="FF88C417FFE8FF8A13E3EC34FF2AF80E" bold="true" box="[136,194,1916,1937]" pageId="2" pageNumber="256">Type:</emphasis>
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—
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<materialsCitation id="7D941258FFE8FF8A13B0EC34FC41F846" collectingDate="2013-07-07" collectionCode="JIU" country="China" county="Xiamen Bay" latitude="24.447193" location="Bing Liu" longLatPrecision="1" longitude="118.16983" municipality="Yefeng Village" pageId="2" pageNumber="256" specimenCode="G201501" specimenCount="2" stateProvince="Fujian" typeStatus="holotype">
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<collectingCountry id="B5EB5895FFE8FF8A13B0EC34FEC1F80E" box="[219,297,1916,1937]" name="China" pageId="2" pageNumber="256">CHINA</collectingCountry>
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.
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<collectingRegion id="0F38D6E7FFE8FF8A125AEC34FE9AF80E" box="[305,370,1916,1937]" country="China" name="Fujian" pageId="2" pageNumber="256">Fujian</collectingRegion>
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:
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<collectingCounty id="24226089FFE8FF8A1211EC34FE1AF80E" box="[378,498,1916,1937]" pageId="2" pageNumber="256">Xiamen Bay</collectingCounty>
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,
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<collectingMunicipality id="2D27827FFFE8FF8A1291EC34FD63F80E" box="[506,651,1916,1937]" pageId="2" pageNumber="256">Yefeng Village</collectingMunicipality>
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, the low intertidal zone,
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<geoCoordinate id="A8C87EC2FFE8FF8A1018EC34FBEFF80E" box="[883,1031,1916,1937]" degrees="24" direction="north" minutes="26" orientation="latitude" pageId="2" pageNumber="256" precision="1" seconds="49.9" value="24.447193">24º 26’ 49.9” N</geoCoordinate>
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,
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<geoCoordinate id="A8C87EC2FFE8FF8A177BEC34FB45F80E" box="[1040,1197,1916,1937]" degrees="118" direction="east" minutes="10" orientation="longitude" pageId="2" pageNumber="256" precision="1" seconds="11.4" value="118.16983">118º 10’ 11.4” E</geoCoordinate>
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, 0 m a.s.l.,
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<emphasis id="FF88C417FFE8FF8A167EEC34FF05F82A" italics="true" pageId="2" pageNumber="256">
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<location id="C8234EDEFFE8FF8A167EEC34FA81F80E" LSID="urn:lsid:plazi:treatment:4555A913FFE8FF8D13E3EC78FF21FD4B:C8234EDEFFE8FF8A167EEC34FA81F80E" box="[1301,1385,1916,1937]" country="China" county="Xiamen Bay" latitude="24.447193" longLatPrecision="1" longitude="118.16983" municipality="Yefeng Village" name="Bing Liu" pageId="2" pageNumber="256" stateProvince="Fujian">Bing Liu</location>
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,
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<date id="B9423EC5FFE8FF8A1619EC34FF05F82A" pageId="2" pageNumber="256" value="2013-07-07">
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||
<collectingDate id="A906C72DFFE8FF8A1619EC34FF05F82A" pageId="2" pageNumber="256" value="2013-07-07">7 July 2013</collectingDate>
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</date>
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</emphasis>
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(
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<typeStatus id="1247A6A7FFE8FF8A1391ECE8FEB8F82A" box="[250,336,1952,1973]" pageId="2" pageNumber="256" type="holotype">holotype</typeStatus>
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<collectionCode id="ABED80C0FFE8FF8A123DECE8FE96F82A" box="[342,382,1952,1973]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13402" lsid="urn:lsid:biocol.org:col:13402" name="Jishou University" pageId="2" pageNumber="256" type="Herbarium">JIU</collectionCode>
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!
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<specimenCode id="9D5AB07EFFE8FF8A12ECECE8FE09F82A" box="[391,481,1952,1973]" collectionCode="JIU" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13402" lsid="urn:lsid:biocol.org:col:13402" name="Jishou University" pageId="2" pageNumber="256" type="Herbarium">G201501</specimenCode>
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=
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<figureCitation id="55C70480FFE8FF8A129FECE8FDBEF82A" box="[500,598,1952,1973]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="2" pageNumber="256">
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Fig. 3,
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<quantity id="0A04B5E0FFE8FF8A1153ECE8FDBEF82A" box="[568,598,1952,1973]" metricMagnitude="-3" metricUnit="m" metricValue="7.4" pageId="2" pageNumber="256" unit="mm" value="7.4">7.4</quantity>
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</figureCitation>
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mm south by
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<quantity id="0A04B5E0FFE8FF8A118AECE8FCDEF82A" box="[737,822,1952,1973]" metricMagnitude="-2" metricUnit="m" metricValue="1.65" pageId="2" pageNumber="256" unit="mm" value="16.5">16.5 mm</quantity>
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east from the benchmark cross on the slide;
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||
<typeStatus id="1247A6A7FFE8FF8A178EECE8FAC2F82A" box="[1253,1322,1952,1973]" pageId="2" pageNumber="256" type="isotype">isotype</typeStatus>
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CL201301 =
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<figureCitation id="55C70480FFE8FF8A13D6EC8CFEF7F846" box="[189,287,1988,2009]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="2" pageNumber="256">
|
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Fig. 4,
|
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<quantity id="0A04B5E0FFE8FF8A126AEC8CFEF7F846" box="[257,287,1988,2009]" metricMagnitude="-3" metricUnit="m" metricValue="3.1" pageId="2" pageNumber="256" unit="mm" value="3.1">3.1</quantity>
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||
</figureCitation>
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||
mm south by
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||
<quantity id="0A04B5E0FFE8FF8A12C2EC8CFE16F846" box="[425,510,1988,2009]" metricMagnitude="-2" metricUnit="m" metricValue="1.49" pageId="2" pageNumber="256" unit="mm" value="14.9">14.9 mm</quantity>
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east from the benchmark cross on the slide)
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</materialsCitation>
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||
.
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</paragraph>
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<paragraph id="CD431805FFE8FF8B13E3E342FDDEFD66" blockId="2.[136,1451,2058,2083]" lastBlockId="3.[136,1452,160,761]" lastPageId="3" lastPageNumber="257" pageId="2" pageNumber="256">
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Cells solitary, usually lying in valve view. Each cell with two large plate-like chloroplasts, one against each side of girdle (
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<figureCitation id="55C70480FFE9FF8B13B1EBE8FEC8FF26" box="[218,288,160,185]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Fig. 2</figureCitation>
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). Valves lanceolate with protracted rostrate apices, symmetrical to both apical and transapical axis, not sigmoid (
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<figureCitation id="55C70480FFE9FF8B139BEB8CFE8FFF42" box="[240,359,196,221]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Figs. 3–11</figureCitation>
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), apical and transapical axes 57–93 μm and 16–21 μm, respectively. Valve face flat, slightly twisted along raphe-sternum (
|
||
<figureCitation id="55C70480FFE9FF8B12EBEBA0FE12FE9E" box="[384,506,232,257]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Figs. 3–11</figureCitation>
|
||
). Conopeum (a lunate flap of silica, approximately 0.8–1.1 μm wide by 4.4–4.8 μm long) covers the axial area, with two rows of areolae near each terminal end (
|
||
<figureCitation id="55C70480FFE9FF8B10B4EA44FBA2FEBA" box="[991,1098,268,293]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Figs. 3–4</figureCitation>
|
||
,
|
||
<figureCitation id="55C70480FFE9FF8B173EEA44FB77FEBA" box="[1109,1183,268,293]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">13–14</figureCitation>
|
||
). Raphe straight, rotates either clockwise (
|
||
<figureCitation id="55C70480FFE9FF8B123AEA78FE56FED6" box="[337,446,304,329]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Figs. 3–6</figureCitation>
|
||
,
|
||
<figureCitation id="55C70480FFE9FF8B12A0EA78FE00FED6" box="[459,488,304,329]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">12</figureCitation>
|
||
) or anticlockwise (
|
||
<figureCitation id="55C70480FFE9FF8B11A9EA78FCD4FED6" box="[706,828,304,329]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Figs. 7–11</figureCitation>
|
||
,
|
||
<figureCitation id="55C70480FFE9FF8B1022EA78FC8FFED6" box="[841,871,304,329]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">13</figureCitation>
|
||
), both at an angle of approximately two degrees in relation to apical axis (
|
||
<figureCitation id="55C70480FFE9FF8B12E6EA1CFDE2FEF2" box="[397,522,340,365]" captionStart-0="FIGURES 2–11" captionStart-1="FIGURES 12–16" captionStartId-0="3.[136,243,1954,1975]" captionStartId-1="4.[136,243,1922,1943]" captionTargetBox-0="[343,1244,785,1928]" captionTargetBox-1="[215,1371,461,1897]" captionTargetId-0="figure-330@3.[343,1244,785,1928]" captionTargetId-1="figure-140@4.[215,1371,461,1897]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionText-0="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." captionText-1="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi-0="http://doi.org/10.5281/zenodo.13638960" figureDoi-1="http://doi.org/10.5281/zenodo.13638962" httpUri-0="https://zenodo.org/record/13638960/files/figure.png" httpUri-1="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Figs. 3–13</figureCitation>
|
||
). Central area small, round, non-rotated (
|
||
<figureCitation id="55C70480FFE9FF8B10B4EA1CFBB1FEF2" box="[991,1113,340,365]" captionStart="FIGURES 2–11" captionStartId="3.[136,243,1954,1975]" captionTargetBox="[343,1244,785,1928]" captionTargetId="figure-330@3.[343,1244,785,1928]" captionTargetPageId="3" captionText="FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale)." figureDoi="http://doi.org/10.5281/zenodo.13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257">Figs. 3–11</figureCitation>
|
||
,
|
||
<figureCitation id="55C70480FFE9FF8B170DEA1CFB58FEF2" box="[1126,1200,340,365]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">15–16</figureCitation>
|
||
). Externally, proximal raphe fissures turn in same direction, close to each other (
|
||
<figureCitation id="55C70480FFE9FF8B106CEA30FC78FE0E" box="[775,912,376,401]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Figs. 15–16</figureCitation>
|
||
), while terminal raphe fissures curve in opposite directions with deeply grooved endings (
|
||
<figureCitation id="55C70480FFE9FF8B113BEAD4FD4BFE2A" box="[592,675,412,437]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Fig. 14</figureCitation>
|
||
). Proximal raphe fissures of the
|
||
<specimenCount id="DBFAD38CFFE9FF8B1766EAD4FB91FE2A" box="[1037,1145,412,437]" count="2" pageId="3" pageNumber="257" type="generic" typeStatus="types">two types</specimenCount>
|
||
of valves (
|
||
<emphasis id="FF88C417FFE9FF8B179DEAD4FAF0FE2A" box="[1270,1304,412,437]" italics="true" pageId="3" pageNumber="257">i.e.</emphasis>
|
||
epitheca and hypotheca, not from the same frustule) superimposed one above the other (
|
||
<figureCitation id="55C70480FFE9FF8B10AEEA88FB48FE46" box="[965,1184,448,473]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Figs. 12–13, 15–16</figureCitation>
|
||
). Internally, central bars of silica either lunate (
|
||
<figureCitation id="55C70480FFE9FF8B1215EAACFE26FE62" box="[382,462,484,509]" captionStart="FIGURES 17–20" captionStartId="5.[136,243,1714,1735]" captionTargetBox="[151,1436,749,1689]" captionTargetId="figure-272@5.[151,1436,749,1690]" captionTargetPageId="5" captionText="FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20)." figureDoi="http://doi.org/10.5281/zenodo.13638964" httpUri="https://zenodo.org/record/13638964/files/figure.png" pageId="3" pageNumber="257">Fig. 18</figureCitation>
|
||
) or both bars divided into two independent entities (
|
||
<figureCitation id="55C70480FFE9FF8B1767EAACFB7BFE62" box="[1036,1171,484,509]" captionStart="FIGURES 17–20" captionStartId="5.[136,243,1714,1735]" captionTargetBox="[151,1436,749,1689]" captionTargetId="figure-272@5.[151,1436,749,1690]" captionTargetPageId="5" captionText="FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20)." figureDoi="http://doi.org/10.5281/zenodo.13638964" httpUri="https://zenodo.org/record/13638964/files/figure.png" pageId="3" pageNumber="257">Figs. 17, 20</figureCitation>
|
||
); proximal raphe endings T-shaped lying in flat nodule, at poles end in bulky and raised helictoglossa (
|
||
<figureCitation id="55C70480FFE9FF8B10B6E940FBC7FDBE" box="[989,1071,520,545]" captionStart="FIGURES 17–20" captionStartId="5.[136,243,1714,1735]" captionTargetBox="[151,1436,749,1689]" captionTargetId="figure-272@5.[151,1436,749,1690]" captionTargetPageId="5" captionText="FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20)." figureDoi="http://doi.org/10.5281/zenodo.13638964" httpUri="https://zenodo.org/record/13638964/files/figure.png" pageId="3" pageNumber="257">Fig. 19</figureCitation>
|
||
). Internally, prominent axial costa more marked on one side, merging with one central bar at center (
|
||
<figureCitation id="55C70480FFE9FF8B101CE964FBEAFDDA" box="[887,1026,556,581]" captionStart="FIGURES 17–20" captionStartId="5.[136,243,1714,1735]" captionTargetBox="[151,1436,749,1689]" captionTargetId="figure-272@5.[151,1436,749,1690]" captionTargetPageId="5" captionText="FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20)." figureDoi="http://doi.org/10.5281/zenodo.13638964" httpUri="https://zenodo.org/record/13638964/files/figure.png" pageId="3" pageNumber="257">Figs. 19–20</figureCitation>
|
||
). Transapical striae (
|
||
<quantity id="0A04B5E0FFE9FF8B1780E964FAB8FDDA" box="[1259,1360,556,581]" metricMagnitude="-1" metricUnit="m" metricValue="5.207" metricValueMax="5.334" metricValueMin="5.08" pageId="3" pageNumber="257" unit="in" value="20.5" valueMax="21.0" valueMin="20.0">20–21 in</quantity>
|
||
10 μm) parallel throughout valve, longitudinal striae (
|
||
<quantity id="0A04B5E0FFE9FF8B11EEE918FD00FDF6" box="[645,744,592,617]" metricMagnitude="-1" metricUnit="m" metricValue="5.461" metricValueMax="5.588" metricValueMin="5.334" pageId="3" pageNumber="257" unit="in" value="21.5" valueMax="22.0" valueMin="21.0">21–22 in</quantity>
|
||
10 μm) parallel from pole to pole. The striae consist of rounded to quadrangular areolae that open externally by apically elongated slits (
|
||
<figureCitation id="55C70480FFE9FF8B10D0E93CFBACFD12" box="[955,1092,628,653]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Figs. 14, 16</figureCitation>
|
||
) and are internally occluded by hymens (not shown in this paper). Rounded pores are located on the mantle (
|
||
<figureCitation id="55C70480FFE9FF8B1090E9D0FB6FFD2E" box="[1019,1159,664,689]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Figs. 14, 16</figureCitation>
|
||
). Distal to terminal raphe ending, five apical pores occur, continuous with the marginal row of round pores on one side of apex and discontinuous with it on the other side (
|
||
<figureCitation id="55C70480FFE9FF8B12CAE9A8FE16FD66" box="[417,510,736,761]" captionStart="FIGURES 12–16" captionStartId="4.[136,243,1922,1943]" captionTargetBox="[215,1371,461,1897]" captionTargetId="figure-140@4.[215,1371,461,1897]" captionTargetPageId="4" captionText="FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16)." figureDoi="http://doi.org/10.5281/zenodo.13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="3" pageNumber="257">Figs. 14</figureCitation>
|
||
,
|
||
<figureCitation id="55C70480FFE9FF8B1161E9A8FDC1FD66" box="[522,553,736,761]" captionStart="FIGURES 17–20" captionStartId="5.[136,243,1714,1735]" captionTargetBox="[151,1436,749,1689]" captionTargetId="figure-272@5.[151,1436,749,1690]" captionTargetPageId="5" captionText="FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20)." figureDoi="http://doi.org/10.5281/zenodo.13638964" httpUri="https://zenodo.org/record/13638964/files/figure.png" pageId="3" pageNumber="257">19</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="9983488DFFE9FF8B13E3ECEAFC43F7BC" ID-DOI="http://doi.org/10.5281/zenodo.13638960" ID-Zenodo-Dep="13638960" httpUri="https://zenodo.org/record/13638960/files/figure.png" pageId="3" pageNumber="257" startId="3.[136,243,1954,1975]" targetBox="[343,1244,785,1928]" targetPageId="3" targetType="figure">
|
||
<paragraph id="CD431805FFE9FF8B13E3ECEAFC43F7BC" blockId="3.[136,1452,1954,2083]" pageId="3" pageNumber="257">
|
||
<emphasis id="FF88C417FFE9FF8B13E3ECEAFED8F828" bold="true" box="[136,304,1954,1975]" pageId="3" pageNumber="257">FIGURES 2–11.</emphasis>
|
||
<emphasis id="FF88C417FFE9FF8B1251ECEAFD80F828" box="[314,616,1954,1975]" italics="true" pageId="3" pageNumber="257">
|
||
<taxonomicName id="0AFC6386FFE9FF8B1251ECEAFDE6F828" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[314,526,1954,1975]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="257" phylum="Bacillariophyta" rank="species" species="rostratum" status="sp. nov.">Gyrosigma rostratum</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="E4BB796CFFE9FF8B1170ECEAFD80F828" box="[539,616,1954,1975]" pageId="3" pageNumber="257" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="85E64B8EFFEEFF8C13D6EBE8FF20FF42" pageId="4" pageNumber="258" type="etymology">
|
||
<paragraph id="CD431805FFEEFF8C13D6EBE8FF20FF42" blockId="4.[136,1452,160,437]" pageId="4" pageNumber="258">
|
||
<emphasis id="FF88C417FFEEFF8C13D6EBE8FEA0FF26" bold="true" box="[189,328,160,185]" pageId="4" pageNumber="258">Etymology:</emphasis>
|
||
—From the Latin adjective
|
||
<emphasis id="FF88C417FFEEFF8C1113EBE8FD34FF26" box="[632,732,160,185]" italics="true" pageId="4" pageNumber="258">rostratus</emphasis>
|
||
, referring to the protracted, not inflated valve apices with parallel sides.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="85E64B8EFFEEFF8D13D6EBA0FF21FD4B" lastPageId="5" lastPageNumber="259" pageId="4" pageNumber="258" type="biology_ecology">
|
||
<paragraph id="CD431805FFEEFF8C13D6EBA0FA6FFE2A" blockId="4.[136,1452,160,437]" pageId="4" pageNumber="258">
|
||
<emphasis id="FF88C417FFEEFF8C13D6EBA0FE04FE9E" bold="true" box="[189,492,232,257]" pageId="4" pageNumber="258">Ecology and distribution:</emphasis>
|
||
—In our 32 sampling sites,
|
||
<taxonomicName id="0AFC6386FFEEFF8C1077EBA0FC42FE9E" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[796,938,232,257]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="258" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEEFF8C1077EBA0FC42FE9E" box="[796,938,232,257]" italics="true" pageId="4" pageNumber="258">G. rostratum</emphasis>
|
||
</taxonomicName>
|
||
was only found among the three low intertidal zones in Huizhan
|
||
<collectingRegion id="0F38D6E7FFEEFF8C123EEA44FE49FEBA" box="[341,417,268,293]" country="Cameroon" name="Centre" pageId="4" pageNumber="258">Center</collectingRegion>
|
||
, Yefeng Village, and Zengcuo Village respectively (not in the other 29 sampling sites). The specimens of
|
||
<taxonomicName id="0AFC6386FFEEFF8C124BEA78FE47FED6" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[288,431,304,329]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="258" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEEFF8C124BEA78FE47FED6" box="[288,431,304,329]" italics="true" pageId="4" pageNumber="258">G. rostratum</emphasis>
|
||
</taxonomicName>
|
||
are infrequent in all the samples from these three sampling sites, with the highest frequency in the sample from the low intertidal zone from Yefeng village. From
|
||
<tableCitation id="807E2DBEFFEEFF8C10EDEA1CFC30FEF2" box="[902,984,340,365]" captionStart="TABLE 1" captionStartId="2.[136,224,445,468]" captionText="TABLE 1. Selected site characteristics of sampling sites." pageId="4" pageNumber="258">Table 1</tableCitation>
|
||
it is clear that
|
||
<taxonomicName id="0AFC6386FFEEFF8C171CEA1CFAEDFEF2" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[1143,1285,340,365]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="258" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEEFF8C171CEA1CFAEDFEF2" box="[1143,1285,340,365]" italics="true" pageId="4" pageNumber="258">G. rostratum</emphasis>
|
||
</taxonomicName>
|
||
is epipsammic and lives in marine habitats. The associated diatom flora in all three sites was dominated by
|
||
<taxonomicName id="0AFC6386FFEEFF8C1711EA30FCA9FE2A" authority="(Giffen) Witkowski, Lange-Bertalot and Metzeltin (2000: 173" authorityName="Witkowski, Lange-Bertalot and Metzeltin" authorityYear="2000" baseAuthorityName="Giffen" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="258" phylum="Ochrophyta" rank="species" species="kantsinensis">
|
||
<emphasis id="FF88C417FFEEFF8C1711EA30FA43FE0E" box="[1146,1451,376,401]" italics="true" pageId="4" pageNumber="258">Cocconeiopsis kantsinensis</emphasis>
|
||
(Giffen)
|
||
<bibRefCitation id="A96D65F4FFEEFF8C1381EAD4FCA9FE2A" author="Witkowski, A. & Lange-Bertalot, H. & Metzeltin, D." box="[234,833,412,437]" pageId="4" pageNumber="258" pagination="1 - 925" refId="ref6182" refString="Witkowski, A., Lange-Bertalot, H. & Metzeltin, D. (2000) Diatom flora of marine coasts I. Iconographia Diatomologica 7: 1 - 925." type="journal article" year="2000">Witkowski, Lange-Bertalot and Metzeltin (2000: 173</bibRefCitation>
|
||
</taxonomicName>
|
||
; basionym:
|
||
<taxonomicName id="0AFC6386FFEEFF8C10A3EAD4FA93FE2A" authority="Giffen 1967: 269" authorityName="Giffen" authorityPageNumber="269" authorityYear="1967" box="[968,1403,412,437]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="258" phylum="Ochrophyta" rank="species" species="kantsinesis">
|
||
<emphasis id="FF88C417FFEEFF8C10A3EAD4FB47FE2A" box="[968,1199,412,437]" italics="true" pageId="4" pageNumber="258">Navicula kantsinesis</emphasis>
|
||
<bibRefCitation id="A96D65F4FFEEFF8C17DDEAD4FA93FE2A" author="Giffen, M. H." box="[1206,1403,412,437]" pageId="4" pageNumber="258" pagination="245 - 292" refId="ref4593" refString="Giffen, M. H. (1967) Contributions to the diatom flora of South Africa. III. Diatoms of the marine littoral regions at Kidd's beach, East London, South Africa. Nova Hedwigia 13: 245 - 292." type="journal article" year="1967">Giffen 1967: 269</bibRefCitation>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<caption id="9983488DFFEEFF8C13E3ECCAFB1EF7B8" ID-DOI="http://doi.org/10.5281/zenodo.13638962" ID-Zenodo-Dep="13638962" httpUri="https://zenodo.org/record/13638962/files/figure.png" pageId="4" pageNumber="258" startId="4.[136,243,1922,1943]" targetBox="[215,1371,461,1897]" targetPageId="4" targetType="figure">
|
||
<paragraph id="CD431805FFEEFF8C13E3ECCAFB1EF7B8" blockId="4.[136,1452,1922,2087]" pageId="4" pageNumber="258">
|
||
<emphasis id="FF88C417FFEEFF8C13E3ECCAFED6F808" bold="true" box="[136,318,1922,1943]" pageId="4" pageNumber="258">FIGURES 12–16.</emphasis>
|
||
<emphasis id="FF88C417FFEEFF8C122CECCAFD9CF808" box="[327,628,1922,1943]" italics="true" pageId="4" pageNumber="258">
|
||
<taxonomicName id="0AFC6386FFEEFF8C122CECCAFDF2F808" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[327,538,1922,1943]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="258" phylum="Bacillariophyta" rank="species" species="rostratum" status="sp. nov.">Gyrosigma rostratum</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="E4BB796CFFEEFF8C1143ECCAFD9CF808" box="[552,628,1922,1943]" pageId="4" pageNumber="258" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="CD431805FFEFFF8D13D6EBD7FDDEFE47" blockId="5.[136,1452,159,724]" pageId="5" pageNumber="259">
|
||
<emphasis id="FF88C417FFEFFF8D13D6EBD7FE8DFF27" bold="true" box="[189,357,159,184]" pageId="5" pageNumber="259">Observations:</emphasis>
|
||
—In his monograph on
|
||
<taxonomicName id="0AFC6386FFEFFF8D1113EBD7FC68FF27" authority=", Peragallo" authorityName="Peragallo" box="[632,896,159,184]" class="Bacillariophyceae" family="Naviculaceae" genus="Pleurosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="FF88C417FFEFFF8D1113EBD7FCEEFF27" box="[632,774,159,184]" italics="true" pageId="5" pageNumber="259">Pleurosigma</emphasis>
|
||
, Peragallo
|
||
</taxonomicName>
|
||
divided the genus 11 sub-divisions based on the striae orientation (
|
||
<bibRefCitation id="A96D65F4FFEFFF8D1232EB8BFDAEFF43" author="Peragallo, H." box="[345,582,195,220]" pageId="5" pageNumber="259" pagination="1 - 35" refId="ref5305" refString="Peragallo, H. (1891) Monographie du genere Pleurosigma et generes allies. Le Diatomiste 4: 1 - 35." type="journal article" year="1891">Peragallo 1891: 3–4</bibRefCitation>
|
||
). Peragallo’s classification has since been revised but a consequence of the older sub-divisions would have placed
|
||
<taxonomicName id="0AFC6386FFEFFF8D1155EBAFFCC5FE9F" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[574,813,231,256]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEFFF8D1155EBAFFCC5FE9F" box="[574,813,231,256]" italics="true" pageId="5" pageNumber="259">Gyrosigma rostratum</emphasis>
|
||
</taxonomicName>
|
||
(transapical striae
|
||
<quantity id="0A04B5E0FFEFFF8D1769EBAFFB8CFE9F" box="[1026,1124,231,256]" metricMagnitude="-1" metricUnit="m" metricValue="5.207" metricValueMax="5.334" metricValueMin="5.08" pageId="5" pageNumber="259" unit="in" value="20.5" valueMax="21.0" valueMin="20.0">20–21 in</quantity>
|
||
10 μm
|
||
<emphasis id="FF88C417FFEFFF8D17D0EBAFFB32FE9F" box="[1211,1242,231,256]" italics="true" pageId="5" pageNumber="259">vs.</emphasis>
|
||
longitudinal striae
|
||
<quantity id="0A04B5E0FFEFFF8D13E3EA43FF05FEBB" box="[136,237,267,292]" metricMagnitude="-1" metricUnit="m" metricValue="5.461" metricValueMax="5.588" metricValueMin="5.334" pageId="5" pageNumber="259" unit="in" value="21.5" valueMax="22.0" valueMin="21.0">21–22 in</quantity>
|
||
10 μm) in Peragallo’s sub-division
|
||
<emphasis id="FF88C417FFEFFF8D11ECEA43FD12FEBB" box="[647,762,267,292]" italics="true" pageId="5" pageNumber="259">Acuminati</emphasis>
|
||
as the densities of the transapical and longitudinal striae are approximately equal.
|
||
<taxonomicName id="0AFC6386FFEFFF8D1211EA67FD81FED7" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[378,617,303,328]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEFFF8D1211EA67FD81FED7" box="[378,617,303,328]" italics="true" pageId="5" pageNumber="259">Gyrosigma rostratum</emphasis>
|
||
</taxonomicName>
|
||
differs from other species placed in that sub-division by Peragallo because of its symmetrical valve and straight (not sigmoid) raphe with a raphe angle of approximately two degrees in relation to the apical axis. Following Reid’s recent re-assessment of the genera
|
||
<taxonomicName id="0AFC6386FFEFFF8D10EBEA3FFC13FE0F" authorityName="Hassall" authorityYear="1845" box="[896,1019,375,400]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="FF88C417FFEFFF8D10EBEA3FFC13FE0F" box="[896,1019,375,400]" italics="true" pageId="5" pageNumber="259">Gyrosigma</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="0AFC6386FFEFFF8D175AEA3FFB57FE0F" box="[1073,1215,375,400]" class="Bacillariophyceae" family="Naviculaceae" genus="Pleurosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="FF88C417FFEFFF8D175AEA3FFB57FE0F" box="[1073,1215,375,400]" italics="true" pageId="5" pageNumber="259">Pleurosigma</emphasis>
|
||
</taxonomicName>
|
||
, many of Peragallo’s sub-divisions are in need of revision (
|
||
<bibRefCitation id="A96D65F4FFEFFF8D1141EAD3FD4CFE2B" author="Reid, G." box="[554,676,411,436]" pageId="5" pageNumber="259" pagination="1 - 163" refId="ref5403" refString="Reid, G. (2012) A Revision of the Family Pleurosigmataceae (Bacillariophyta). Diatom Monographs 14: 1 - 163." type="journal article" year="2012">Reid 2012</bibRefCitation>
|
||
). Nevertheless,
|
||
<emphasis id="FF88C417FFEFFF8D103FEAD3FC01FE2B" box="[852,1001,411,436]" italics="true" pageId="5" pageNumber="259">
|
||
<taxonomicName id="0AFC6386FFEFFF8D103FEAD3FC0DFE2B" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[852,997,411,436]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">G. rostratum</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
using available evidence, should rightly be considered a species of
|
||
<taxonomicName id="0AFC6386FFEFFF8D12D8EAF7FDC6FE47" authorityName="Hassall" authorityYear="1845" box="[435,558,447,472]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="FF88C417FFEFFF8D12D8EAF7FDC6FE47" box="[435,558,447,472]" italics="true" pageId="5" pageNumber="259">Gyrosigma</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="CD431805FFEFFF8D13D6EAABFF21FD4B" blockId="5.[136,1452,159,724]" pageId="5" pageNumber="259">
|
||
<taxonomicName id="0AFC6386FFEFFF8D13D6EAABFE43FE63" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[189,427,483,508]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEFFF8D13D6EAABFE43FE63" box="[189,427,483,508]" italics="true" pageId="5" pageNumber="259">Gyrosigma rostratum</emphasis>
|
||
</taxonomicName>
|
||
bears some resemblance to
|
||
<taxonomicName id="0AFC6386FFEFFF8D11B5EAABFBD0FE63" authority="Stidolph (1994: 215)" authorityName="Stidolph" authorityPageNumber="215" authorityYear="1994" box="[734,1080,483,508]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="fogedii">
|
||
<emphasis id="FF88C417FFEFFF8D11B5EAABFCA5FE63" box="[734,845,483,508]" italics="true" pageId="5" pageNumber="259">G. fogedii</emphasis>
|
||
<bibRefCitation id="A96D65F4FFEFFF8D1039EAABFBD0FE63" author="Stidolph, S. R." box="[850,1080,483,508]" pageId="5" pageNumber="259" pagination="213 - 224" refId="ref6004" refString="Stidolph, S. R. (1994) Observations and remarks on morphology and taxonomy of the diatom genera Gyrosigma Hassall and Pleurosigma W. Smith IV. Gyrosigma fogedii sp. nov., and some diatoms similar to G. fasciola (Ehrenb.) Griffith & Henfrey. Diatom Research 9: 213 - 224. http: // dx. doi. org / 10.1080 / 0269249 X. 1994.9705297" type="journal article" year="1994">Stidolph (1994: 215)</bibRefCitation>
|
||
</taxonomicName>
|
||
but can be distinguished from the latter by its rostrate, rather than spathulate, apices and the single row of striae, rather than the dichotomous/intercalary striae opposite the central valve area. Taking into account the valve outline,
|
||
<taxonomicName id="0AFC6386FFEFFF8D176EE963FB70FDDB" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[1029,1176,555,580]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEFFF8D176EE963FB70FDDB" box="[1029,1176,555,580]" italics="true" pageId="5" pageNumber="259">G. rostratum</emphasis>
|
||
</taxonomicName>
|
||
resembles
|
||
<taxonomicName id="0AFC6386FFEFFF8D1676E963FD87FDF7" authority="(Cleve) H. Peragallo (1891: 12" authorityName="H. Peragallo" authorityYear="1891" baseAuthorityName="Cleve" class="Bacillariophyceae" family="Naviculaceae" genus="Pleurosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="cuspidatum">
|
||
<emphasis id="FF88C417FFEFFF8D1676E963FEE1FDF7" italics="true" pageId="5" pageNumber="259">Pleurosigma cuspidatum</emphasis>
|
||
(Cleve) H.
|
||
<bibRefCitation id="A96D65F4FFEFFF8D12E4E907FD87FDF7" author="Peragallo, H." box="[399,623,591,616]" pageId="5" pageNumber="259" pagination="1 - 35" refId="ref5305" refString="Peragallo, H. (1891) Monographie du genere Pleurosigma et generes allies. Le Diatomiste 4: 1 - 35." type="journal article" year="1891">Peragallo (1891: 12</bibRefCitation>
|
||
</taxonomicName>
|
||
; basionym:
|
||
<taxonomicName id="0AFC6386FFEFFF8D1193E907FB13FDF7" authority="Cleve 1881: 5" authorityName="Cleve" authorityPageNumber="5" authorityYear="1881" box="[760,1275,591,616]" class="Bacillariophyceae" family="Naviculaceae" genus="Pleurosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="variety" species="lanceolatum" variety="cuspidatum">
|
||
<emphasis id="FF88C417FFEFFF8D1193E907FC76FDF7" box="[760,926,591,616]" italics="true" pageId="5" pageNumber="259">P. lanceolatum</emphasis>
|
||
var.
|
||
<emphasis id="FF88C417FFEFFF8D10BEE907FBBEFDF7" box="[981,1110,591,616]" italics="true" pageId="5" pageNumber="259">cuspidatum</emphasis>
|
||
<bibRefCitation id="A96D65F4FFEFFF8D1736E907FB13FDF7" author="Cleve, P. T." box="[1117,1275,591,616]" pageId="5" pageNumber="259" pagination="1 - 28" refId="ref4444" refString="Cleve, P. T. (1881) On some new and little known diatoms. Kongliga Svenska-Vetenskaps Akademiens Handlingar 18: 1 - 28." type="journal article" year="1881">Cleve 1881: 5</bibRefCitation>
|
||
</taxonomicName>
|
||
) that also has a raphe of a similar orientation to
|
||
<taxonomicName id="0AFC6386FFEFFF8D129AE93BFD68FD13" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[497,640,627,652]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEFFF8D129AE93BFD68FD13" box="[497,640,627,652]" italics="true" pageId="5" pageNumber="259">G. rostratum</emphasis>
|
||
</taxonomicName>
|
||
(see
|
||
<bibRefCitation id="A96D65F4FFEFFF8D11D7E93BFC76FD13" author="Cardinal, A. & Poulin, M. & Berard-Therriault, L." box="[700,926,627,652]" pageId="5" pageNumber="259" pagination="167 - 190" refId="ref4328" refString="Cardinal, A., Poulin, M. & Berard-Therriault, L. (1986) Les diatomees benthiques de substrats durs des eaux marines et saumatres du Quebec 5. Naviculales, Naviculaceae; les genres Donkinia, Gyrosigma et Pleurosigma. Naturaliste Canadien 113: 167 - 190." type="journal article" year="1986">
|
||
Cardinal
|
||
<emphasis id="FF88C417FFEFFF8D1048E93BFCB4FD13" box="[803,860,627,652]" italics="true" pageId="5" pageNumber="259">et al.</emphasis>
|
||
1986
|
||
</bibRefCitation>
|
||
). At any rate,
|
||
<taxonomicName id="0AFC6386FFEFFF8D1750E93BFB22FD13" authorityName="Liu & Williams & Huang" authorityYear="2015" box="[1083,1226,627,652]" class="Bacillariophyceae" family="Naviculaceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="259" phylum="Bacillariophyta" rank="species" species="rostratum">
|
||
<emphasis id="FF88C417FFEFFF8D1750E93BFB22FD13" box="[1083,1226,627,652]" italics="true" pageId="5" pageNumber="259">G. rostratum</emphasis>
|
||
</taxonomicName>
|
||
is readily identified by its fairly straight valve outline in LM, its identity being confirmed by its lunate flaps of silica at terminal ends in SEM.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |