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<document id="2D0BD31AA4359F3C2732CF58D7DE7398" ID-DOI="10.11646/phytotaxa.103.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="5077594" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625632027669" checkinUser="felipe" docAuthor="You, Qingmin, Kociolek, John Patrick &amp; Wang, Quanxi" docDate="2013" docId="03E6A85FFFE6AF53FF33FE9B68BAFDD8" docLanguage="en" docName="Phytotaxa.103.1.1-24.pdf" docOrigin="Phytotaxa 103 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.103.1.1" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Gomphoneis distorta Q. You &amp; Kociolek 2013, sp. nov." docType="treatment" docVersion="3" lastPageNumber="20" masterDocId="FFDFD027FFF4AF40FFA4FFC26A01FFEC" masterDocTitle="New Gomphoneis Cleve (Bacillariophyceae: Gomphonemataceae) species from Xinjiang Province, China" masterLastPageNumber="24" masterPageNumber="1" pageNumber="19" updateTime="1698994187135" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="131C47DE93668395143BD06D3708C2D3">New Gomphoneis Cleve (Bacillariophyceae: Gomphonemataceae) species from Xinjiang Province, China</mods:title>
</mods:titleInfo>
<mods:name id="52BFE8E939FFDADB0AB1804EDC47E974" type="personal">
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<mods:namePart id="44EED44577B542104302760444485257">You, Qingmin</mods:namePart>
<mods:affiliation id="9CD7C415F1A82852D729DC028482E1F6">College of Life and Environment Science, Shanghai Normal University, Shanghai 200234, China</mods:affiliation>
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<mods:namePart id="715BFD63F3217970F0E96E7FF7C60927">Kociolek, John Patrick</mods:namePart>
<mods:affiliation id="47D48EFD26BF587F7CFAE6593E8C056F">Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309 USA * Corresponding author (wangqx @ shnu. edu. cn)</mods:affiliation>
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<mods:namePart id="B8F626D3A67AB3AD7CFD65EABAA522CB">Wang, Quanxi</mods:namePart>
<mods:affiliation id="AEBCB4CF92FA0A986039AAE2B206D2EB">College of Life and Environment Science, Shanghai Normal University, Shanghai 200234, China</mods:affiliation>
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<mods:title id="290078925B1D843A279ADFF6FDBB5ECF">Phytotaxa</mods:title>
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<mods:date id="5BEFDBCC25CBD9B38C35812D4A864DBD">2013</mods:date>
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<mods:number id="F251814E5A276E8E8E0246FB709AA256">2013-05-28</mods:number>
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<mods:classification id="F1C078035E48761D33E60991C2130034">journal article</mods:classification>
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<treatment id="03E6A85FFFE6AF53FF33FE9B68BAFDD8" LSID="urn:lsid:plazi:treatment:03E6A85FFFE6AF53FF33FE9B68BAFDD8" httpUri="http://treatment.plazi.org/id/03E6A85FFFE6AF53FF33FE9B68BAFDD8" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19">
<subSubSection id="C3554AC2FFE6AF52FF33FE9B6E84FE9F" box="[151,1157,345,371]" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="8BF01949FFE6AF52FF33FE9B6E84FE9F" blockId="18.[151,1157,345,371]" box="[151,1157,345,371]" pageId="18" pageNumber="19">
<heading id="D0B8AE25FFE6AF52FF33FE9B6E84FE9F" box="[151,1157,345,371]" fontSize="11" level="2" pageId="18" pageNumber="19" reason="3">
<taxonomicName id="4C4F62CAFFE6AF52FF33FE9B687BFE9F" authority="Q. You &amp; Kociolek" authorityName="Q. You &amp; Kociolek" authorityYear="2013" box="[151,634,345,371]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="18" pageNumber="19" phylum="Ochrophyta" rank="species" species="distorta" status="sp. nov.">
<emphasis id="B93BC55BFFE6AF52FF33FE9B6B8FFE9F" bold="true" box="[151,398,345,371]" italics="true" pageId="18" pageNumber="19">Gomphoneis distorta</emphasis>
Q. You &amp; Kociolek
</taxonomicName>
,
<emphasis id="B93BC55BFFE6AF52FD22FE9B68DEFE9E" box="[646,735,345,370]" italics="true" pageId="18" pageNumber="19">
<taxonomicNameLabel id="A2087820FFE6AF52FD22FE9B68DEFE9E" box="[646,735,345,370]" pageId="18" pageNumber="19" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="137405CCFFE6AF52FD49FE9B6944FE9F" box="[749,837,345,371]" captionStart="PLATE 16" captionStartId="18.[151,230,1858,1879]" captionTargetBox="[177,1400,829,1841]" captionTargetId="figure-288@18.[151,1436,744,1883]" captionTargetPageId="18" captionText="PLATE 16, FIGURES 97101. Gomphoneis distorta, LM. Valve views showing size diminution series. Figure 98 is the holotype. Scale bars = 10 µm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5077646" httpUri="https://zenodo.org/record/5077646/files/figure.png" pageId="18" pageNumber="19">Figs 97</figureCitation>
108; figure 98 is
<typeStatus id="54F4A7EBFFE6AF52FBB2FE9B6E7DFE9F" box="[1046,1148,345,371]" pageId="18" pageNumber="19" type="holotype">holotype</typeStatus>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3554AC2FFE6AF53FF33FE646F9DFE9F" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19" type="materials_examined">
<paragraph id="8BF01949FFE6AF52FF33FE646F88FE51" blockId="18.[151,1417,422,446]" box="[151,1417,422,446]" pageId="18" pageNumber="19">
<emphasis id="B93BC55BFFE6AF52FF33FE646AF3FE52" bold="true" box="[151,242,422,446]" pageId="18" pageNumber="19">Type:—</emphasis>
<materialsCitation id="3B271314FFE6AF52FF56FE646F84FE51" box="[242,1413,422,445]" collectionCode="SHTU" country="China" location="Little Kalakule Lake" municipality="Kunlun Mountains" pageId="18" pageNumber="19" specimenCount="1" typeStatus="holotype">
<collectingCountry id="F35859D9FFE6AF52FF56FE646B4BFE51" box="[242,330,422,445]" name="China" pageId="18" pageNumber="19">CHINA</collectingCountry>
.
<location id="8E904F92FFE6AF52FEF0FE646832FE51" LSID="urn:lsid:plazi:treatment:03E6A85FFFE6AF53FF33FE9B68BAFDD8:8E904F92FFE6AF52FEF0FE646832FE51" box="[340,563,422,445]" country="China" municipality="Kunlun Mountains" name="Little Kalakule Lake" pageId="18" pageNumber="19">Little Kalakule Lake</location>
,
<collectingMunicipality id="6B948333FFE6AF52FD9AFE646907FE51" box="[574,774,422,445]" pageId="18" pageNumber="19">Kunlun Mountains</collectingMunicipality>
(
<collectionCode id="ED5E818CFFE6AF52FCB0FE64695AFE51" box="[788,859,422,445]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14014" lsid="urn:lsid:biocol.org:col:14014" name="Shanghai Teachers University" pageId="18" pageNumber="19" type="Herbarium">SHTU</collectionCode>
, slide XJ-071015!
<typeStatus id="54F4A7EBFFE6AF52FB8CFE646E84FE51" box="[1064,1157,422,445]" pageId="18" pageNumber="19" type="holotype">holotype</typeStatus>
illustrated in figure 98)
</materialsCitation>
.
</paragraph>
<paragraph id="8BF01949FFE6AF52FF33FE2F6EFFFCFA" blockId="18.[151,1436,493,790]" pageId="18" pageNumber="19">
In LM, valves linear-clavate straight or with only a slight tumid swelling at the center, headpole narrowly rounded and footpole rounded. Length 30.0
<quantity id="4CB7B4ACFFE6AF52FD16FDD66918FDC2" box="[690,793,532,558]" metricMagnitude="-2" metricUnit="m" metricValue="4.52" pageId="18" pageNumber="19" unit="mm" value="45.2">45.2 µm</quantity>
, breadth
<quantity id="4CB7B4ACFFE6AF52FC2CFDD66E17FDC2" box="[904,1046,532,558]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="7.5" metricValueMin="5.5" pageId="18" pageNumber="19" unit="mm" value="6.5" valueMax="7.5" valueMin="5.5">5.57.5 µm</quantity>
. Axial area narrow, expanded to form a small, round to elliptical, to sometimes nearly rectangular central area, stigmoids wanting. Raphe straight, lateral, with external proximal ends dilated slightly and external distal raphe ends extending straight to the terminus. Internal distal raphe ends are indistinct. Costate striae 1014/
<quantity id="4CB7B4ACFFE6AF52FBE9FD4A6E9CFD4E" box="[1101,1181,648,674]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="19" unit="mm" value="10.0">10 µm</quantity>
, arched and strongly radiate around the center, with 12 shortened striae on either side of the central area. Striae towards the headpole become parallel and nearly convergent towards the terminus. Towards the footpole striae are radiate to parallel. Septa and pseudosepta indistinct. Apical pore fields bisected, distinct at the footpole.
</paragraph>
<caption id="DF3049C1FFE6AF52FF33F8806BE1F898" ID-DOI="http://doi.org/10.5281/zenodo.5077646" ID-Zenodo-Dep="5077646" httpUri="https://zenodo.org/record/5077646/files/figure.png" pageId="18" pageNumber="19" startId="18.[151,230,1858,1879]" subCaptionStartIDs="18.[274,381,1858,1879]" subCaptionStarts="FIGURES 97" targetBox="[177,1400,829,1841]" targetPageId="18">
<paragraph id="8BF01949FFE6AF52FF33F8806BE1F898" blockId="18.[151,1437,1858,1908]" pageId="18" pageNumber="19">
<emphasis id="B93BC55BFFE6AF52FF33F8806BD2F8BB" bold="true" box="[151,467,1858,1879]" pageId="18" pageNumber="19">PLATE 16, FIGURES 97101.</emphasis>
<taxonomicName id="4C4F62CAFFE6AF52FE7EF88068E1F8BB" authority=", LM." authorityName="LM." box="[474,736,1858,1879]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="18" pageNumber="19" phylum="Ochrophyta" rank="species" species="distorta">
<emphasis id="B93BC55BFFE6AF52FE7EF88068A6F8BB" box="[474,679,1858,1879]" italics="true" pageId="18" pageNumber="19">Gomphoneis distorta</emphasis>
, LM.
</taxonomicName>
Valve views showing size diminution series. Figure 98 is the holotype. Scale bars = 10 µm for all figures.
</paragraph>
</caption>
<paragraph id="8BF01949FFE6AF52FF62F8616F9DF851" blockId="18.[151,1436,1955,2020]" box="[198,1436,1955,1981]" pageId="18" pageNumber="19">
In the SEM, the exterior of the valve is dominated with striae composed of two rows of areolae (
<figureCitation id="137405CCFFE6AF52FA83F8616F9DF851" box="[1319,1436,1955,1981]" captionStart="PLATE 17" captionStartId="19.[151,230,1766,1787]" captionTargetBox="[186,1394,641,1729]" captionTargetId="figure-313@19.[151,1436,622,1767]" captionTargetPageId="19" captionText="PLATE 17, FIGURES 102108. G. distorta, SEM. Figs 103105, external views. Figs 103, 105. Apices showing doubly-punctate striae and, at the footpole, apical pore field with porelli similar to the areolae. Fig. 104. Central area with dilated proximal raphe ends and striae tapering from biseriate to uniseriate. Figs 102, 106108, internal view. Fig. 102. Entire valve view. Note prominent helictoglossae and central nodule. Fig. 106. Headpole with helictoglossa slightly offset from main axis of raphe. Fig. 107. Raised central nodule with proximal raphe ends deflected in the same direction. Internal thickenings are evident in the striae near the axial area. Fig. 108. Footpole, with prominent helictoglossa, small pseudoseptum and thin interstriae dividing the porelli." figureDoi="http://doi.org/10.5281/zenodo.5077650" httpUri="https://zenodo.org/record/5077650/files/figure.png" pageId="18" pageNumber="19">Figs 103</figureCitation>
</paragraph>
<paragraph id="8BF01949FFE6AF53FF33F8086F8CFF13" blockId="18.[151,1436,1955,2020]" lastBlockId="19.[151,1436,152,564]" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19">
105). The headpole has striae that extend onto the mantle, and the distal raphe end is deflected slightly before reaching the apex and extending onto the mantle (
<figureCitation id="137405CCFFE7AF53FD40FF5A694AFF5E" box="[740,843,152,178]" captionStart="PLATE 17" captionStartId="19.[151,230,1766,1787]" captionTargetBox="[186,1394,641,1729]" captionTargetId="figure-313@19.[151,1436,622,1767]" captionTargetPageId="19" captionText="PLATE 17, FIGURES 102108. G. distorta, SEM. Figs 103105, external views. Figs 103, 105. Apices showing doubly-punctate striae and, at the footpole, apical pore field with porelli similar to the areolae. Fig. 104. Central area with dilated proximal raphe ends and striae tapering from biseriate to uniseriate. Figs 102, 106108, internal view. Fig. 102. Entire valve view. Note prominent helictoglossae and central nodule. Fig. 106. Headpole with helictoglossa slightly offset from main axis of raphe. Fig. 107. Raised central nodule with proximal raphe ends deflected in the same direction. Internal thickenings are evident in the striae near the axial area. Fig. 108. Footpole, with prominent helictoglossa, small pseudoseptum and thin interstriae dividing the porelli." figureDoi="http://doi.org/10.5281/zenodo.5077650" httpUri="https://zenodo.org/record/5077650/files/figure.png" pageId="19" pageNumber="20">Fig. 103</figureCitation>
). The central area has dilated proximal raphe ends and striae that are biseriate near the margins but taper to uniseriate striae towards the axial area and central area (
<figureCitation id="137405CCFFE7AF53FF7CFF276B3FFF13" box="[216,318,229,255]" captionStart="PLATE 17" captionStartId="19.[151,230,1766,1787]" captionTargetBox="[186,1394,641,1729]" captionTargetId="figure-313@19.[151,1436,622,1767]" captionTargetPageId="19" captionText="PLATE 17, FIGURES 102108. G. distorta, SEM. Figs 103105, external views. Figs 103, 105. Apices showing doubly-punctate striae and, at the footpole, apical pore field with porelli similar to the areolae. Fig. 104. Central area with dilated proximal raphe ends and striae tapering from biseriate to uniseriate. Figs 102, 106108, internal view. Fig. 102. Entire valve view. Note prominent helictoglossae and central nodule. Fig. 106. Headpole with helictoglossa slightly offset from main axis of raphe. Fig. 107. Raised central nodule with proximal raphe ends deflected in the same direction. Internal thickenings are evident in the striae near the axial area. Fig. 108. Footpole, with prominent helictoglossa, small pseudoseptum and thin interstriae dividing the porelli." figureDoi="http://doi.org/10.5281/zenodo.5077650" httpUri="https://zenodo.org/record/5077650/files/figure.png" pageId="19" pageNumber="20">Fig. 104</figureCitation>
). The apical pore fields have porelli in distinct rows and extend all over the mantle (
<figureCitation id="137405CCFFE7AF53FABDFF276F81FF13" box="[1305,1408,229,255]" captionStart="PLATE 17" captionStartId="19.[151,230,1766,1787]" captionTargetBox="[186,1394,641,1729]" captionTargetId="figure-313@19.[151,1436,622,1767]" captionTargetPageId="19" captionText="PLATE 17, FIGURES 102108. G. distorta, SEM. Figs 103105, external views. Figs 103, 105. Apices showing doubly-punctate striae and, at the footpole, apical pore field with porelli similar to the areolae. Fig. 104. Central area with dilated proximal raphe ends and striae tapering from biseriate to uniseriate. Figs 102, 106108, internal view. Fig. 102. Entire valve view. Note prominent helictoglossae and central nodule. Fig. 106. Headpole with helictoglossa slightly offset from main axis of raphe. Fig. 107. Raised central nodule with proximal raphe ends deflected in the same direction. Internal thickenings are evident in the striae near the axial area. Fig. 108. Footpole, with prominent helictoglossa, small pseudoseptum and thin interstriae dividing the porelli." figureDoi="http://doi.org/10.5281/zenodo.5077650" httpUri="https://zenodo.org/record/5077650/files/figure.png" pageId="19" pageNumber="20">Fig. 105</figureCitation>
).
</paragraph>
<paragraph id="8BF01949FFE7AF53FF62FECE6F9DFE9F" blockId="19.[151,1436,152,564]" pageId="19" pageNumber="20">Internally, the valve interior has prominent helictoglossae and pseudosepta at the poles (Figs 102, 106, 108). The central part of the valve has a slightly raised central nodule, where deflected proximal raphe ends occur. Striae become uniseriate near the axial area, and in this region strong thickenings are evident (Fig. 107).</paragraph>
</subSubSection>
<subSubSection id="C3554AC2FFE7AF53FF62FEBD6E2FFE76" box="[198,1070,383,410]" pageId="19" pageNumber="20" type="etymology">
<paragraph id="8BF01949FFE7AF53FF62FEBD6E2FFE76" blockId="19.[151,1436,152,564]" box="[198,1070,383,410]" pageId="19" pageNumber="20">
<emphasis id="B93BC55BFFE7AF53FF62FEBD6B75FE75" bold="true" box="[198,372,383,409]" pageId="19" pageNumber="20">Etymology:—</emphasis>
The species is named for its slightly distorted valve outline.
</paragraph>
</subSubSection>
<subSubSection id="C3554AC2FFE7AF53FF62FE6468BAFDD8" pageId="19" pageNumber="20" type="distribution">
<paragraph id="8BF01949FFE7AF53FF62FE6469D7FE0B" blockId="19.[151,1436,152,564]" pageId="19" pageNumber="20">
<emphasis id="B93BC55BFFE7AF53FF62FE646822FE2C" bold="true" box="[198,547,422,448]" pageId="19" pageNumber="20">Distribution and ecology:—</emphasis>
Little Kalakule Lake, Kunlun Mountains,
<collectingRegion id="498BD7ABFFE7AF53FBB2FE646E7EFE2C" box="[1046,1151,422,448]" country="China" name="Xinjiang Uygur" pageId="19" pageNumber="20">Xinjiang</collectingRegion>
,
<collectingCountry id="F35859D9FFE7AF53FB29FE646ED7FE2C" box="[1165,1238,422,448]" name="China" pageId="19" pageNumber="20">China</collectingCountry>
, altitude
<quantity id="4CB7B4ACFFE7AF53FAE7FE646F99FE2C" box="[1347,1432,422,448]" metricMagnitude="3" metricUnit="m" metricValue="3.3" pageId="19" pageNumber="20" unit="m" value="3300.0">3300m</quantity>
, pH 9.0, collected in the wetland near the lake (summarized in
<tableCitation id="C6CD2CF2FFE7AF53FCCBFE0F69C4FE0B" box="[879,965,461,487]" captionStart="TABLE 1" captionStartId="2.[151,232,161,182]" captionText="TABLE 1: Locality data and habitat for samples studied." pageId="19" pageNumber="20">Table 1</tableCitation>
).
</paragraph>
<paragraph id="8BF01949FFE7AF53FF62FE3168BAFDD8" blockId="19.[151,1436,152,564]" pageId="19" pageNumber="20">
<emphasis id="B93BC55BFFE7AF53FF62FE316B92FDE1" bold="true" box="[198,403,499,525]" pageId="19" pageNumber="20">Observations:—</emphasis>
This species is differentiated from
<taxonomicName id="4C4F62CAFFE7AF53FC94FE3669C0FDE1" box="[816,961,500,525]" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="19" pageNumber="20" phylum="Ochrophyta" rank="species" species="stoermeri">
<emphasis id="B93BC55BFFE7AF53FC94FE3669C0FDE1" box="[816,961,500,525]" italics="true" pageId="19" pageNumber="20">G. stoermeri</emphasis>
</taxonomicName>
in being more linear in outline, without the distinct tumid middle section of the valves.
</paragraph>
</subSubSection>
</treatment>
</document>