299 lines
57 KiB
XML
299 lines
57 KiB
XML
<document ID-DOI="10.11646/phytotaxa.591.3.1" ID-GBIF-Dataset="e672b641-dcba-4648-a929-6d17ec5c25ae" ID-ISSN="1179-3163" ID-Zenodo-Dep="7800808" checkinTime="1680676676993" checkinUser="plazi" docAuthor="Yuan, Li, Liu, Bing, Rioual, Patrick, Yi, Man-Qi & Zheng, Yan" docDate="2023" docId="4B6287C80706FFC6FF0CFF17398BA5B0" docLanguage="en" docName="phytotaxa.591.3.1.pdf" docOrigin="Phytotaxa 591 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.591.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.4:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="4" docTitle="Oricymba sinensis Bing Liu & Rioual 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="188" masterDocId="B75BFFB00704FFC1FF84FFE33B49A700" masterDocTitle="Two new species of Oricymba (Bacillariophyta) from China, described with reference to the structure of the apical pore field" masterLastPageNumber="195" masterPageNumber="181" pageNumber="183" updateTime="1680677352207" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo>
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<mods:title>Two new species of Oricymba (Bacillariophyta) from China, described with reference to the structure of the apical pore field</mods:title>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Yuan, Li</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0003-0244-4871</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & liiyuan 0808 @ 163. com; https: // orcid. org / 0000 - 0003 - 0244 - 4871</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Liu, Bing</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-8516-325X</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & jsulb @ outlook. com; https: // orcid. org / 0000 - 0002 - 8516 - 325 X</mods:affiliation>
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<mods:nameIdentifier type="email">jsulb@outlook.com</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Rioual, Patrick</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-9491-9197</mods:nameIdentifier>
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<mods:affiliation>Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P. O. box 9825, Beijing 100029, China & CAS Center for Excellence in Life and Paleoenvironment, Beijing 100044, China & prioual @ mail. iggcas. ac. cn; https: // orcid. org / 0000 - 0001 - 9491 - 9197</mods:affiliation>
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<mods:nameIdentifier type="email">prioual@mail.iggcas.ac.cn</mods:nameIdentifier>
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Yi, Man-Qi</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-0503-0626</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & 810847692 @ qq. com; https: // orcid. org / 0000 - 0002 - 0503 - 0626</mods:affiliation>
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<mods:nameIdentifier type="email">810847692@qq.com</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Zheng, Yan</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0001-7074-0678</mods:nameIdentifier>
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<mods:affiliation>College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China & zhengyan 1016 @ 163. com; https: // orcid. org / 0000 - 0001 - 7074 - 0678</mods:affiliation>
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<mods:title>Phytotaxa</mods:title>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-04-05</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>591</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>3</mods:number>
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<mods:extent unit="page">
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<mods:start>181</mods:start>
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<mods:end>195</mods:end>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.591.3.1</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.591.3.1</mods:identifier>
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<mods:identifier type="GBIF-Dataset">e672b641-dcba-4648-a929-6d17ec5c25ae</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7800808</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7800810" ID-Zenodo-Dep="7800810" LSID="urn:lsid:plazi:treatment:4B6287C80706FFC6FF0CFF17398BA5B0" httpUri="http://treatment.plazi.org/id/4B6287C80706FFC6FF0CFF17398BA5B0" lastPageId="7" lastPageNumber="188" pageId="2" pageNumber="183">
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<paragraph blockId="2.[136,1089,244,271]" box="[136,1089,244,271]" pageId="2" pageNumber="183">
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<heading bold="true" box="[136,1089,244,271]" fontSize="11" level="1" pageId="2" pageNumber="183" reason="1">
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<emphasis bold="true" box="[136,1089,244,271]" pageId="2" pageNumber="183">
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<taxonomicName authority="Bing Liu & Rioual" authorityName="Bing Liu & Rioual" authorityYear="2023" box="[136,577,244,271]" class="Bacillariophyceae" family="Cymbellaceae" genus="Oricymba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="2" pageNumber="183" phylum="Ochrophyta" rank="species" species="sinensis" status="sp. nov.">
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<emphasis bold="true" box="[136,349,244,271]" italics="true" pageId="2" pageNumber="183">Oricymba sinensis</emphasis>
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Bing Liu & Rioual
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</taxonomicName>
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<emphasis bold="true" box="[584,671,244,270]" italics="true" pageId="2" pageNumber="183">
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<taxonomicNameLabel box="[584,671,244,270]" pageId="2" pageNumber="183" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(LM:
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<figureCitation box="[749,863,244,270]" captionStart="FIGURES 1–15" captionStartId="2.[136,243,1698,1720]" captionTargetBox="[151,1436,580,1671]" captionTargetId="figure-156@2.[151,1436,580,1671]" captionTargetPageId="2" captionText="FIGURES 1–15. Oricymba sinensis sp. nov., LM. Valves arranged in a size diminution series. Note the conspicuous dorsiventrality. Fig. 1 corresponds to the holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7800812" httpUri="https://zenodo.org/record/7800812/files/figure.png" pageId="2" pageNumber="183">Figs 1–15</figureCitation>
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, SEM:
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<figureCitation box="[953,1081,244,270]" captionStart-0="FIGURES 16–21" captionStart-1="FIGURES 22–27" captionStart-2="FIGURES 28–33" captionStart-3="FIGURES 34–39" captionStartId-0="3.[136,243,1852,1874]" captionStartId-1="4.[136,243,1689,1711]" captionStartId-2="5.[136,243,1689,1711]" captionStartId-3="6.[136,243,1689,1711]" captionTargetBox-0="[151,1436,353,1828]" captionTargetBox-1="[151,1436,190,1665]" captionTargetBox-2="[151,1436,190,1665]" captionTargetBox-3="[151,1436,190,1665]" captionTargetId-0="figure-92@3.[151,1436,353,1828]" captionTargetId-1="figure-21@4.[151,1436,190,1665]" captionTargetId-2="figure-17@5.[151,1436,190,1665]" captionTargetId-3="figure-21@6.[151,1436,190,1665]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionText-0="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." captionText-1="FIGURES 22–27. Oricymba sinensis sp. nov., SEM external view. 22. A slightly tilted frustule, note the lateral raphe. 23, 24, 26. Details from Fig. 22, note the areola openings curved or lunate adjacent to the axial area (arrows). 25, 27. Apical details from Fig. 24 and Fig. 26 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 22), 1 μm (Figs 23–27)." captionText-2="FIGURES 28–33. Oricymba sinensis sp. nov., SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33)." captionText-3="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi-0="http://doi.org/10.5281/zenodo.7800814" figureDoi-1="http://doi.org/10.5281/zenodo.7800818" figureDoi-2="http://doi.org/10.5281/zenodo.7800821" figureDoi-3="http://doi.org/10.5281/zenodo.7800823" httpUri-0="https://zenodo.org/record/7800814/files/figure.png" httpUri-1="https://zenodo.org/record/7800818/files/figure.png" httpUri-2="https://zenodo.org/record/7800821/files/figure.png" httpUri-3="https://zenodo.org/record/7800823/files/figure.png" pageId="2" pageNumber="183">Figs 16–39</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 lastPageId="7" lastPageNumber="188" pageId="2" pageNumber="183" type="description">
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<paragraph blockId="2.[136,1452,316,559]" pageId="2" pageNumber="183">
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<emphasis bold="true" box="[136,312,316,342]" pageId="2" pageNumber="183">Description:—</emphasis>
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LM: Valves dorsiventral possessing arcuate dorsal margin and slightly convex to straight ventral margin (
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<figureCitation box="[230,345,352,379]" captionStart="FIGURES 1–15" captionStartId="2.[136,243,1698,1720]" captionTargetBox="[151,1436,580,1671]" captionTargetId="figure-156@2.[151,1436,580,1671]" captionTargetPageId="2" captionText="FIGURES 1–15. Oricymba sinensis sp. nov., LM. Valves arranged in a size diminution series. Note the conspicuous dorsiventrality. Fig. 1 corresponds to the holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7800812" httpUri="https://zenodo.org/record/7800812/files/figure.png" pageId="2" pageNumber="183">Figs 1–15</figureCitation>
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). Apices not protracted or occasionally slightly protracted, bluntly rounded. Valve dimensions (n = 31): 36–52 μm long, 7.8–10.1 μm wide, length/width ratio range 4.2–5.5, median 4.9. Axial area narrow, lanceolate, expanded at central area. Raphe filiform. Proximal raphe endings deflected towards ventral side (primary side). Central pores present. Central area asymmetrical, occupying c. 1/3 of the valve width, flanked by c. 4 shortened ventral striae. A stigma evident on ventral side of valve. Striae radiate throughout valve,
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<quantity box="[978,1062,496,522]" metricMagnitude="-1" metricUnit="m" metricValue="2.54" metricValueMax="2.794" metricValueMin="2.286" pageId="2" pageNumber="183" unit="in" value="10.0" valueMax="11.0" valueMin="9.0">9–11 in</quantity>
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10 μm in central portion of dorsal side,
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<quantity box="[195,280,532,558]" metricMagnitude="-1" metricUnit="m" metricValue="2.667" metricValueMax="3.048" metricValueMin="2.286" pageId="2" pageNumber="183" unit="in" value="10.5" valueMax="12.0" valueMin="9.0">9–12 in</quantity>
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10 μm in central portion of ventral side. Areolae difficult to resolve under LM.
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</paragraph>
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<caption ID-DOI="http://doi.org/10.5281/zenodo.7800812" ID-Zenodo-Dep="7800812" httpUri="https://zenodo.org/record/7800812/files/figure.png" pageId="2" pageNumber="183" startId="2.[136,243,1698,1720]" targetBox="[151,1436,580,1671]" targetPageId="2">
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<paragraph blockId="2.[136,1452,1698,1756]" pageId="2" pageNumber="183">
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<emphasis bold="true" box="[136,303,1698,1720]" pageId="2" pageNumber="183">FIGURES 1–15.</emphasis>
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<emphasis box="[309,567,1698,1720]" italics="true" pageId="2" pageNumber="183">
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<taxonomicName authority="Yuan & Liu & Rioual & Yi & Zheng, 2023" authorityName="Yuan & Liu & Rioual & Yi & Zheng" authorityYear="2023" box="[309,487,1698,1720]" class="Bacillariophyceae" family="Cymbellaceae" genus="Oricymba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="2" pageNumber="183" phylum="Ochrophyta" rank="species" species="sinensis" status="sp. nov.">Oricymba sinensis</taxonomicName>
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<taxonomicNameLabel box="[493,567,1699,1720]" pageId="2" pageNumber="183" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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, LM. Valves arranged in a size diminution series. Note the conspicuous dorsiventrality. Fig. 1 corresponds to the holotype specimen. Scale bar = 10 μm (in Fig. 1).
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</paragraph>
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</caption>
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<paragraph blockId="2.[136,1452,1803,2081]" lastBlockId="3.[136,1452,158,293]" lastPageId="3" lastPageNumber="184" pageId="2" pageNumber="183">
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SEM, external view: Valves asymmetric along apical axis, proximal raphe endings bent towards ventral side, and distal raphe fissures deflected towards dorsal side (
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<figureCitation box="[706,792,1838,1865]" captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="2" pageNumber="183">Figs 16</figureCitation>
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,
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<figureCitation box="[804,835,1839,1865]" captionStart="FIGURES 22–27" captionStartId="4.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@4.[151,1436,190,1665]" captionTargetPageId="4" captionText="FIGURES 22–27. Oricymba sinensis sp. nov., SEM external view. 22. A slightly tilted frustule, note the lateral raphe. 23, 24, 26. Details from Fig. 22, note the areola openings curved or lunate adjacent to the axial area (arrows). 25, 27. Apical details from Fig. 24 and Fig. 26 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 22), 1 μm (Figs 23–27)." figureDoi="http://doi.org/10.5281/zenodo.7800818" httpUri="https://zenodo.org/record/7800818/files/figure.png" pageId="2" pageNumber="183">22</figureCitation>
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,
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<figureCitation box="[846,878,1839,1865]" captionStart="FIGURES 28–33" captionStartId="5.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-17@5.[151,1436,190,1665]" captionTargetPageId="5" captionText="FIGURES 28–33. Oricymba sinensis sp. nov., SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33)." figureDoi="http://doi.org/10.5281/zenodo.7800821" httpUri="https://zenodo.org/record/7800821/files/figure.png" pageId="2" pageNumber="183">28</figureCitation>
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). Marginal ridge evident along dorsal valve margin (
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<figureCitation box="[144,313,1874,1901]" captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="2" pageNumber="183">Figs 16–18, 20</figureCitation>
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, black arrows, see also
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<figureCitation box="[570,736,1874,1901]" captionStart="FIGURES 22–27" captionStartId="4.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@4.[151,1436,190,1665]" captionTargetPageId="4" captionText="FIGURES 22–27. Oricymba sinensis sp. nov., SEM external view. 22. A slightly tilted frustule, note the lateral raphe. 23, 24, 26. Details from Fig. 22, note the areola openings curved or lunate adjacent to the axial area (arrows). 25, 27. Apical details from Fig. 24 and Fig. 26 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 22), 1 μm (Figs 23–27)." figureDoi="http://doi.org/10.5281/zenodo.7800818" httpUri="https://zenodo.org/record/7800818/files/figure.png" pageId="2" pageNumber="183">Figs 22–24, 26</figureCitation>
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) whereas marginal ridge inconspicuous along the ventral margin (
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<figureCitation box="[144,318,1911,1937]" captionStart="FIGURES 28–33" captionStartId="5.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-17@5.[151,1436,190,1665]" captionTargetPageId="5" captionText="FIGURES 28–33. Oricymba sinensis sp. nov., SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33)." figureDoi="http://doi.org/10.5281/zenodo.7800821" httpUri="https://zenodo.org/record/7800821/files/figure.png" pageId="2" pageNumber="183">Figs 28–30, 32</figureCitation>
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, black arrows). External openings of areolae slit-like except those adjacent to axial area, which are curved or lunate (
|
||
<figureCitation box="[331,500,1946,1973]" captionStart="FIGURES 22–27" captionStartId="4.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@4.[151,1436,190,1665]" captionTargetPageId="4" captionText="FIGURES 22–27. Oricymba sinensis sp. nov., SEM external view. 22. A slightly tilted frustule, note the lateral raphe. 23, 24, 26. Details from Fig. 22, note the areola openings curved or lunate adjacent to the axial area (arrows). 25, 27. Apical details from Fig. 24 and Fig. 26 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 22), 1 μm (Figs 23–27)." figureDoi="http://doi.org/10.5281/zenodo.7800818" httpUri="https://zenodo.org/record/7800818/files/figure.png" pageId="2" pageNumber="183">Figs 23, 24, 26</figureCitation>
|
||
, arrows). Dentate projections produced under each external opening of areola. Areola density
|
||
<quantity box="[223,321,1982,2009]" metricMagnitude="-1" metricUnit="m" metricValue="8.254999999999999" metricValueMax="8.89" metricValueMin="7.62" pageId="2" pageNumber="183" unit="in" value="32.5" valueMax="35.0" valueMin="30.0">30–35 in</quantity>
|
||
10 μm. Shallow depressions present in axial and central area (
|
||
<figureCitation box="[1007,1088,1983,2009]" captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="2" pageNumber="183">Fig. 17</figureCitation>
|
||
, white arrows). Apical pore field forming a continuous area, not divided by distal raphe fissure, clearly separated from areolae (
|
||
<figureCitation box="[1188,1317,2019,2045]" captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="2" pageNumber="183">Figs 19, 21</figureCitation>
|
||
), composed of c. 5–8 transapical rows and 15–17 pervalvar rows. Foramina of apical pore field mostly rounded but a few top foramina elongate (
|
||
<figureCitation box="[354,482,158,185]" captionStart="FIGURES 22–27" captionStartId="4.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@4.[151,1436,190,1665]" captionTargetPageId="4" captionText="FIGURES 22–27. Oricymba sinensis sp. nov., SEM external view. 22. A slightly tilted frustule, note the lateral raphe. 23, 24, 26. Details from Fig. 22, note the areola openings curved or lunate adjacent to the axial area (arrows). 25, 27. Apical details from Fig. 24 and Fig. 26 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 22), 1 μm (Figs 23–27)." figureDoi="http://doi.org/10.5281/zenodo.7800818" httpUri="https://zenodo.org/record/7800818/files/figure.png" pageId="3" pageNumber="184">Figs 25, 27</figureCitation>
|
||
,
|
||
<figureCitation box="[494,566,158,184]" captionStart="FIGURES 28–33" captionStartId="5.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-17@5.[151,1436,190,1665]" captionTargetPageId="5" captionText="FIGURES 28–33. Oricymba sinensis sp. nov., SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33)." figureDoi="http://doi.org/10.5281/zenodo.7800821" httpUri="https://zenodo.org/record/7800821/files/figure.png" pageId="3" pageNumber="184">31, 33</figureCitation>
|
||
, arrows). A notch present on dorsal side of distal raphe fissure (
|
||
<figureCitation box="[1276,1404,158,184]" captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="3" pageNumber="184">Figs 19, 21</figureCitation>
|
||
,
|
||
<figureCitation captionStart="FIGURES 28–33" captionStartId="5.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-17@5.[151,1436,190,1665]" captionTargetPageId="5" captionText="FIGURES 28–33. Oricymba sinensis sp. nov., SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33)." figureDoi="http://doi.org/10.5281/zenodo.7800821" httpUri="https://zenodo.org/record/7800821/files/figure.png" pageId="3" pageNumber="184">31, 33</figureCitation>
|
||
, wavy arrows, respectively). Valve mantle deep, meeting valve face at a right angle. Striae continuing onto valve mantle, but terminated before mid-line of valve mantle, such that abvalvar part of mantle without ornaments (
|
||
<figureCitation captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="3" pageNumber="184">Figs 20, 21</figureCitation>
|
||
,
|
||
<figureCitation box="[178,292,266,292]" captionStart="FIGURES 28–33" captionStartId="5.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-17@5.[151,1436,190,1665]" captionTargetPageId="5" captionText="FIGURES 28–33. Oricymba sinensis sp. nov., SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33)." figureDoi="http://doi.org/10.5281/zenodo.7800821" httpUri="https://zenodo.org/record/7800821/files/figure.png" pageId="3" pageNumber="184">29, 30, 32</figureCitation>
|
||
, double-headed arrows, respectively). Girdle bands simple, c. three copulae per cell (
|
||
<figureCitation box="[1246,1330,266,292]" captionStart="FIGURES 16–21" captionStartId="3.[136,243,1852,1874]" captionTargetBox="[151,1436,353,1828]" captionTargetId="figure-92@3.[151,1436,353,1828]" captionTargetPageId="3" captionText="FIGURES 16–21. Oricymba sinensis sp. nov., SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21)." figureDoi="http://doi.org/10.5281/zenodo.7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="3" pageNumber="184">Fig. 21</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7800814" ID-Zenodo-Dep="7800814" httpUri="https://zenodo.org/record/7800814/files/figure.png" pageId="3" pageNumber="184" startId="3.[136,243,1852,1874]" targetBox="[151,1436,353,1828]" targetPageId="3">
|
||
<paragraph blockId="3.[136,1452,1852,2090]" pageId="3" pageNumber="184">
|
||
<emphasis bold="true" box="[136,315,1852,1874]" pageId="3" pageNumber="184">FIGURES 16–21.</emphasis>
|
||
<emphasis box="[322,582,1852,1874]" italics="true" pageId="3" pageNumber="184">
|
||
<taxonomicName authority="Yuan & Liu & Rioual & Yi & Zheng, 2023" authorityName="Yuan & Liu & Rioual & Yi & Zheng" authorityYear="2023" box="[322,501,1852,1874]" class="Bacillariophyceae" family="Cymbellaceae" genus="Oricymba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="3" pageNumber="184" phylum="Ochrophyta" rank="species" species="sinensis" status="sp. nov.">Oricymba sinensis</taxonomicName>
|
||
<taxonomicNameLabel box="[508,582,1853,1874]" pageId="3" pageNumber="184" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, SEM external view. 16. A tilted frustule, note a marginal ridge present on the dorsal side of valve (three black arrows). 17. Detail from Fig. 16, note the marginal ridge (two black arrows) and shallow depressions in the axial and central area (white arrows). 18, 20. Apical details from Fig. 16, note the marginal ridge (two black arrows), the valve face and the mantle almost met at a right angle, and the abvalvar part of mantle without ornaments (Fig. 20, double-headed arrow). 19, 21. Details from Fig. 18 and Fig. 19, respectively, note a notch on the dorsal side of distal raphe fissure (wavy arrows), the differentiated apical pore field clearly separated from the areolae (straight arrows), and the abvalvar part of mantle without ornaments (double-headed arrows). Scale bars = 5 μm (Fig. 16), 1 μm (Figs 17–21).
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7800818" ID-Zenodo-Dep="7800818" httpUri="https://zenodo.org/record/7800818/files/figure.png" pageId="4" pageNumber="185" startId="4.[136,243,1689,1711]" targetBox="[151,1436,190,1665]" targetPageId="4">
|
||
<paragraph blockId="4.[136,1451,1689,1819]" pageId="4" pageNumber="185">
|
||
<emphasis bold="true" box="[136,315,1689,1711]" pageId="4" pageNumber="185">FIGURES 22–27.</emphasis>
|
||
<emphasis box="[321,578,1689,1711]" italics="true" pageId="4" pageNumber="185">
|
||
<taxonomicName authority="Yuan & Liu & Rioual & Yi & Zheng, 2023" authorityName="Yuan & Liu & Rioual & Yi & Zheng" authorityYear="2023" box="[321,499,1689,1711]" class="Bacillariophyceae" family="Cymbellaceae" genus="Oricymba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="4" pageNumber="185" phylum="Ochrophyta" rank="species" species="sinensis" status="sp. nov.">Oricymba sinensis</taxonomicName>
|
||
<taxonomicNameLabel box="[505,578,1690,1711]" pageId="4" pageNumber="185" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, SEM external view. 22. A slightly tilted frustule, note the lateral raphe. 23, 24, 26. Details from Fig. 22, note the areola openings curved or lunate adjacent to the axial area (arrows). 25, 27. Apical details from Fig. 24 and Fig. 26 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 22), 1 μm (Figs 23–27).
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7800821" ID-Zenodo-Dep="7800821" httpUri="https://zenodo.org/record/7800821/files/figure.png" pageId="5" pageNumber="186" startId="5.[136,243,1689,1711]" targetBox="[151,1436,190,1665]" targetPageId="5">
|
||
<paragraph blockId="5.[136,1452,1689,1819]" pageId="5" pageNumber="186">
|
||
<emphasis bold="true" box="[136,316,1689,1711]" pageId="5" pageNumber="186">FIGURES 28–33.</emphasis>
|
||
<emphasis box="[324,587,1689,1711]" italics="true" pageId="5" pageNumber="186">
|
||
<taxonomicName authority="Yuan & Liu & Rioual & Yi & Zheng, 2023" authorityName="Yuan & Liu & Rioual & Yi & Zheng" authorityYear="2023" box="[324,504,1689,1711]" class="Bacillariophyceae" family="Cymbellaceae" genus="Oricymba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="5" pageNumber="186" phylum="Ochrophyta" rank="species" species="sinensis" status="sp. nov.">Oricymba sinensis</taxonomicName>
|
||
<taxonomicNameLabel box="[512,587,1690,1711]" pageId="5" pageNumber="186" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, SEM external view. 28. A tilted frustule, note the marginal ridge on the ventral side of valve is inconspicuous (three black arrows). 29, 30, 32. Details from Fig. 28, note the marginal ridge on the ventral side of valve is very slightly raised (arrows). 31, 33. Apical details from Fig. 30 and Fig. 32 respectively, note the top foramina of apical pore field are elongate (arrows), which are different from the other rounded foramina. Scale bars = 5 μm (Fig. 28), 1 μm (Figs 29–33).
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7800823" ID-Zenodo-Dep="7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="6" pageNumber="187" startId="6.[136,243,1689,1711]" targetBox="[151,1436,190,1665]" targetPageId="6">
|
||
<paragraph blockId="6.[136,1451,1689,1891]" pageId="6" pageNumber="187">
|
||
<emphasis bold="true" box="[136,313,1689,1711]" pageId="6" pageNumber="187">FIGURES 34–39.</emphasis>
|
||
<emphasis box="[318,572,1689,1711]" italics="true" pageId="6" pageNumber="187">
|
||
<taxonomicName authority="Yuan & Liu & Rioual & Yi & Zheng, 2023" authorityName="Yuan & Liu & Rioual & Yi & Zheng" authorityYear="2023" box="[318,495,1689,1711]" class="Bacillariophyceae" family="Cymbellaceae" genus="Oricymba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="6" pageNumber="187" phylum="Ochrophyta" rank="species" species="sinensis" status="sp. nov.">Oricymba sinensis</taxonomicName>
|
||
<taxonomicNameLabel box="[500,572,1690,1711]" pageId="6" pageNumber="187" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, SEM internal view. 34. A complete valve, note the internal straight raphe fissure. 35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39. Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="7.[136,1452,158,688]" pageId="7" pageNumber="188">
|
||
SEM, internal view: Valve asymmetric along apical axis, raphe straight, almost along valve mid-line, virgae and depressed striae alternate throughout valve (
|
||
<figureCitation box="[694,781,194,220]" captionStart="FIGURES 34–39" captionStartId="6.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@6.[151,1436,190,1665]" captionTargetPageId="6" captionText="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="7" pageNumber="188">Fig. 34</figureCitation>
|
||
). Proximal raphe endings not visible because obscured by flap above central nodule (
|
||
<figureCitation box="[441,525,230,257]" captionStart="FIGURES 34–39" captionStartId="6.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@6.[151,1436,190,1665]" captionTargetPageId="6" captionText="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="7" pageNumber="188">Fig. 35</figureCitation>
|
||
, two wavy arrows) and distal raphe ends terminating in knob-like helictoglossae. Internally, stigma having two slit-like openings with fine ingrowths from perimeter (
|
||
<figureCitation box="[1120,1206,266,293]" captionStart="FIGURES 34–39" captionStartId="6.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@6.[151,1436,190,1665]" captionTargetPageId="6" captionText="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="7" pageNumber="188">Fig. 35</figureCitation>
|
||
, two arrows). Areola internal openings occluded by dentate projections (
|
||
<figureCitation box="[700,869,302,329]" captionStart="FIGURES 34–39" captionStartId="6.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@6.[151,1436,190,1665]" captionTargetPageId="6" captionText="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="7" pageNumber="188">Figs 35, 36, 38</figureCitation>
|
||
). Apical pore field clearly separated from other parts of valve (
|
||
<figureCitation box="[244,327,338,364]" captionStart="FIGURES 34–39" captionStartId="6.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@6.[151,1436,190,1665]" captionTargetPageId="6" captionText="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="7" pageNumber="188">Fig. 37</figureCitation>
|
||
, two arrows). An undulate flap-like silica strip covering internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (
|
||
<figureCitation box="[753,836,374,400]" captionStart="FIGURES 34–39" captionStartId="6.[136,243,1689,1711]" captionTargetBox="[151,1436,190,1665]" captionTargetId="figure-21@6.[151,1436,190,1665]" captionTargetPageId="6" captionText="FIGURES 34–39. Oricymba sinensis sp. nov., SEM internal view. 34.A complete valve, note the internal straight raphe fissure.35. Middle part from Fig. 34, note two slit-like openings of stigma (two arrows) and the proximal raphe endings not visible as they are obscured by flap above central nodule (two wavy arrows). 36, 38. Apical details from Fig. 34, note the areola internal openings occluded by dentate projections. 37. Detail from Fig. 36, note the apical pore field clearly separated from the other parts of valve (two arrows). 39.Apical detail from another valve not included in this plate, note an undulate flap-like silica strip covering the internal apertures of each pervalvar row of foramina, not completely occluding internal apertures (two arrows). Scale bars = 5 μm (Fig. 34), 1 μm (Figs 35–39)." figureDoi="http://doi.org/10.5281/zenodo.7800823" httpUri="https://zenodo.org/record/7800823/files/figure.png" pageId="7" pageNumber="188">Fig. 39</figureCitation>
|
||
, two arrows).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="7" pageNumber="188" type="materials_examined">
|
||
<paragraph blockId="7.[136,1452,158,688]" pageId="7" pageNumber="188">
|
||
<emphasis bold="true" box="[189,286,410,436]" pageId="7" pageNumber="188">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2021-10-04" collectionCode="JIU" country="China" county="Jianghua County" elevation="380" latitude="25.073334" location="Bing Liu" longLatPrecision="21" longitude="111.848335" municipality="Xiao River" pageId="7" pageNumber="188" specimenCode="DIA202201" specimenCount="1" stateProvince="Hunan" typeStatus="holotype">
|
||
<collectingCountry box="[285,377,410,436]" name="China" pageId="7" pageNumber="188">CHINA</collectingCountry>
|
||
.
|
||
<collectingRegion box="[390,576,410,437]" country="China" name="Hunan" pageId="7" pageNumber="188">Hunan province</collectingRegion>
|
||
:
|
||
<collectingCounty box="[589,782,410,436]" pageId="7" pageNumber="188">Jianghua County</collectingCounty>
|
||
, a sampling point from a headwater stream that runs into the
|
||
<collectingMunicipality box="[178,302,446,472]" pageId="7" pageNumber="188">Xiao River</collectingMunicipality>
|
||
(
|
||
<geoCoordinate box="[319,450,447,475]" degrees="25" direction="north" minutes="4" orientation="latitude" pageId="7" pageNumber="188" precision="15" seconds="24" value="25.073334">25°4′24″ N</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[462,614,447,475]" degrees="111" direction="east" minutes="50" orientation="longitude" pageId="7" pageNumber="188" precision="15" seconds="54" value="111.848335">111°50′54″ E</geoCoordinate>
|
||
,
|
||
<elevation box="[627,740,446,473]" metricMagnitude="2" metricUnit="m" metricValue="3.8" pageId="7" pageNumber="188" unit="m" value="380.0">
|
||
<quantity box="[627,698,446,473]" metricMagnitude="2" metricUnit="m" metricValue="3.8" pageId="7" pageNumber="188" unit="m" value="380.0">380 m</quantity>
|
||
asl
|
||
</elevation>
|
||
),
|
||
<emphasis box="[761,1064,446,472]" italics="true" pageId="7" pageNumber="188">
|
||
<location LSID="urn:lsid:plazi:treatment:4B6287C80706FFC6FF0CFF17398BA5B0:C61460050703FFC6FD7DFE5C3817A6D8" box="[761,862,447,472]" country="China" county="Jianghua County" latitude="25.073334" longLatPrecision="21" longitude="111.848335" municipality="Xiao River" name="Bing Liu" pageId="7" pageNumber="188" stateProvince="Hunan">Bing Liu</location>
|
||
,
|
||
<date box="[874,988,446,472]" pageId="7" pageNumber="188" value="2021-10-04">
|
||
<collectingDate box="[874,988,446,472]" pageId="7" pageNumber="188" value="2021-10-04">October 4</collectingDate>
|
||
</date>
|
||
<superScript attach="left" box="[988,1001,446,460]" fontSize="6" pageId="7" pageNumber="188">th</superScript>
|
||
2021
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[1080,1180,446,472]" pageId="7" pageNumber="188">holotype</typeStatus>
|
||
<collectionCode box="[1188,1234,446,472]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13402" lsid="urn:lsid:biocol.org:col:13402" name="Jishou University" pageId="7" pageNumber="188" type="Herbarium">JIU</collectionCode>
|
||
! Slide
|
||
<specimenCode box="[1311,1447,446,472]" collectionCode="DIA" country="Angola" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14994" lsid="urn:lsid:biocol.org:col:14994" name="Museu do Dundo" pageId="7" pageNumber="188" type="Herbarium">DIA202201</specimenCode>
|
||
, specimen circled on slide =
|
||
<figureCitation box="[450,514,482,508]" captionStart="FIGURES 1–15" captionStartId="2.[136,243,1698,1720]" captionTargetBox="[151,1436,580,1671]" captionTargetId="figure-156@2.[151,1436,580,1671]" captionTargetPageId="2" captionText="FIGURES 1–15. Oricymba sinensis sp. nov., LM. Valves arranged in a size diminution series. Note the conspicuous dorsiventrality. Fig. 1 corresponds to the holotype specimen. Scale bar = 10 μm (in Fig. 1)." figureDoi="http://doi.org/10.5281/zenodo.7800812" httpUri="https://zenodo.org/record/7800812/files/figure.png" pageId="7" pageNumber="188">Fig. 1</figureCitation>
|
||
). Registration: http://phycobank.org/103643
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[189,904,518,545]" pageId="7" pageNumber="188" type="etymology">
|
||
<paragraph blockId="7.[136,1452,158,688]" box="[189,904,518,545]" pageId="7" pageNumber="188">
|
||
<emphasis bold="true" box="[189,356,518,544]" pageId="7" pageNumber="188">Etymology:—</emphasis>
|
||
Named after
|
||
<collectingCountry box="[502,569,518,544]" name="China" pageId="7" pageNumber="188">China</collectingCountry>
|
||
where the species was found.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="7" pageNumber="188" type="biology_ecology">
|
||
<paragraph blockId="7.[136,1452,158,688]" pageId="7" pageNumber="188">
|
||
<emphasis bold="true" box="[189,321,554,580]" pageId="7" pageNumber="188">Ecology:—</emphasis>
|
||
Inhabiting surfaces of submerged stones, thus, belonging to river epilithon. In fresh waters, detailed information in
|
||
<tableCitation box="[306,391,590,616]" captionStart="TABLE 1" captionStartId="1.[136,224,1203,1227]" captionText="TABLE 1. Geographical and environmental information on the two sites investigated." pageId="7" pageNumber="188">Table 1</tableCitation>
|
||
. This species was associated with
|
||
<taxonomicName authority="Glushchenko & Kulikovskiy (2017: 17)" authorityName="Glushchenko & Kulikovskiy" authorityPageNumber="17" authorityYear="2017" class="Bacillariophyceae" family="Amphipleuraceae" genus="Amphipleura" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="188" phylum="Ochrophyta" rank="species" species="vavilovii">
|
||
<emphasis box="[786,1036,590,616]" italics="true" pageId="7" pageNumber="188">Amphipleura vavilovii</emphasis>
|
||
<bibRefCitation author="Glushchenko, A. M. & Kulikovskiy, M. S." pageId="7" pageNumber="188" pagination="17 - 21" refId="ref6268" refString="Glushchenko, A. M. & Kulikovskiy, M. S. (2017) Amphipleura vavilovii: A new diatom species of the family Amphipleuraceae from Laos [J]. Inland Water Biology 10 (1): 17 - 21. https: // doi. org / 10.1134 / S 1995082916040064" type="journal article" year="2017">Glushchenko & Kulikovskiy (2017: 17)</bibRefCitation>
|
||
</taxonomicName>
|
||
, and several unidentified species of
|
||
<taxonomicName authority="Lyngbye (1819: 182)" authorityName="Lyngbye" authorityPageNumber="182" authorityYear="1819" box="[574,934,626,652]" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="7" pageNumber="188" phylum="Ochrophyta" rank="genus">
|
||
<emphasis box="[574,692,626,652]" italics="true" pageId="7" pageNumber="188">Fragilaria</emphasis>
|
||
<bibRefCitation author="Lyngbye, H. C." box="[698,934,626,652]" pageId="7" pageNumber="188" refId="ref6848" refString="Lyngbye, H. C. (1819) Tentamen Hydrophytologiae Danicae Continens omnia Hydrophyta Cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusque cognita, Systematice Disposita, Descripta et iconibus illustrata, Adjectis Simul Speciebus Norvegicis. Hafniae, Typis Schultzianis, in commissis Librariae Gyldendaliae, Copenhague, 248 pp." type="book" year="1819">Lyngbye (1819: 182)</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName authority="Bory (1822: 128)" authorityName="Bory" authorityPageNumber="128" authorityYear="1822" box="[944,1246,626,653]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="188" phylum="Ochrophyta" rank="genus">
|
||
<emphasis box="[944,1045,626,652]" italics="true" pageId="7" pageNumber="188">Navicula</emphasis>
|
||
<bibRefCitation author="Bory de Saint-Vincent, J. B. G. M." box="[1051,1246,626,653]" pageId="7" pageNumber="188" pagination="127 - 129" refId="ref6023" refString="Bory de Saint-Vincent, J. B. G. M. (1822) Bacillariees. Dictionnaire Classique d'Histoire naturelle 2: 127 - 129." type="journal article" year="1822">Bory (1822: 128)</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName authority="Agardh (1830: 1)" authorityName="C. A. Agardh" authorityPageNumber="1" authorityYear="1830" class="Bacillariophyceae" family="Cymbellaceae" genus="Cymbella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="7" pageNumber="188" phylum="Ochrophyta" rank="genus">
|
||
<emphasis box="[1256,1363,626,652]" italics="true" pageId="7" pageNumber="188">Cymbella</emphasis>
|
||
<bibRefCitation author="Agardh, C. A." pageId="7" pageNumber="188" refId="ref5999" refString="Agardh, C. A. (1830) Conspectus criticus diatomacearum. Part 1. Litteris Berlingianis, Lund, 16 pp." type="book" year="1830">Agardh (1830: 1)</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authority="Ehrenberg (1832: 87)" authorityName="Ehrenberg" authorityPageNumber="87" authorityYear="1832" box="[294,702,662,688]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="7" pageNumber="188" phylum="Ochrophyta" rank="genus">
|
||
<emphasis box="[294,451,662,688]" italics="true" pageId="7" pageNumber="188">Gomphonema</emphasis>
|
||
<bibRefCitation author="Ehrenberg, C. G." box="[458,702,662,688]" pageId="7" pageNumber="188" pagination="1 - 154" refId="ref6194" refString="Ehrenberg, C. G. (1832) Uber die Entwickelung und Lebensdauer der Infusionsthiere; nebst ferneren Beitragen zu einer Vergleichung ihrer organischen Systeme. Abhandlungen der Koniglichen Akademie Wissenschaften zu Berlin, Physikalische Klasse, pp. 1 - 154." type="book chapter" year="1832">Ehrenberg (1832: 87)</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |