390 lines
67 KiB
XML
390 lines
67 KiB
XML
<document id="046B7A88AB02A701E4DD639C9745D525" ID-DOI="10.11646/phytotaxa.54.1.5" ID-ISSN="1179-3163" ID-Zenodo-Dep="5061050" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625232802045" checkinUser="felipe" docAuthor="Riaux-Gobin, Catherine & Witkowski, Andrzej" docDate="2012" docId="CB598351835AFFC2FF31FDD227AC3015" docLanguage="en" docName="Phytotaxa.54.43-58.pdf.imf" docOrigin="Phytotaxa 54 (1)" docSource="http://biotaxa.org/Phytotaxa/article/view/phytotaxa.54.1.5" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Cocconeiopsis discoides Riaux-Gobin & Witkowski 2012, sp. nov." docType="treatment" docVersion="3" lastPageNumber="55" masterDocId="3760FB298352FFCEFFA6FFC823563457" masterDocTitle="Small-sized and discoid species of the genus Cocconeiopsis (Bacillariophyta) on Holothuria atra (Juan de Nova, Mozambique Channel)" masterLastPageNumber="58" masterPageNumber="43" pageNumber="51" updateTime="1698984061333" updateUser="plazi" zenodo-license-document="CLOSED">
|
||
<mods:mods id="5C628CA8522AE528A89310BE74150899" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="FC2D873C5B1A81A37D97A11D0BB8FA19">
|
||
<mods:title id="AF4A6983843F502AEC0590AFC961FF6A">Small-sized and discoid species of the genus Cocconeiopsis (Bacillariophyta) on Holothuria atra (Juan de Nova, Mozambique Channel)</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="A340BEBAA412673983452C03BA1FAF0F" type="personal">
|
||
<mods:role id="756E2EE505887E8E293DBB09AF4F7DDF">
|
||
<mods:roleTerm id="43BF04AF8AF5F3F434EA4C2F44DE7764">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="3C2DD96F4167A44182D91EFCF8D009D5">Riaux-Gobin, Catherine</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="15FEF68AAF75EE86552DAF7BF6D24AF9" type="personal">
|
||
<mods:role id="771BE1BCB3E027D19C066E2E17BDCF49">
|
||
<mods:roleTerm id="8707F80039B17E1236904250DA552923">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="D834F11F609CC8E7D8100EA3C7BD69E2">Witkowski, Andrzej</mods:namePart>
|
||
<mods:affiliation id="5FD2A430F9C60F717F9A9319CB4A8B21">University of Szczecin, Palaeoceanology Unit, Mickiewicza 18, PL- 70 - 383 Szczecin, Poland. E-mail: witkowsk @ univ. szczecin. pl</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource id="6B506B7562509A83DC69300282C57A90">text</mods:typeOfResource>
|
||
<mods:relatedItem id="622B1471D63842AD8BF141A371459F14" type="host">
|
||
<mods:titleInfo id="A9C35F244F6D4A06DA1E05494C241222">
|
||
<mods:title id="304FADBCE63179C68F6E3B594EC6747F">Phytotaxa</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="FB32AC3971246BF163C103D69F2939EA">
|
||
<mods:date id="943D65C0D48DE1BCE021C56852848348">2012</mods:date>
|
||
<mods:detail id="58A373AD09C4C771D4CB48E28E5A235F" type="pubDate">
|
||
<mods:number id="7BB9B09768C70EDE0C4B95C597D2363C">2012-05-17</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="06B41FD02769D9B38F6D8655603EC7C4" type="volume">
|
||
<mods:number id="3E05882352A88554A14C7C1B4312621A">54</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="9C1196D0BFFE09F195D8180A36C200D2" type="issue">
|
||
<mods:number id="004E3E0795DCC6FAC8835B95A741D21F">1</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="C91B686A1392474743FB22698E25636C" unit="page">
|
||
<mods:start id="4DCB094E324EBF751F2376972194531A">43</mods:start>
|
||
<mods:end id="95C007C3920509572EADDB70A089654E">58</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location id="389180ADE660A78F6DFF4D505828E601">
|
||
<mods:url id="0A8C625AC107EC9B6D565F1BFB0896C8">http://biotaxa.org/Phytotaxa/article/view/phytotaxa.54.1.5</mods:url>
|
||
</mods:location>
|
||
<mods:classification id="981E727127EFB8DD26449037C8CB0307">journal article</mods:classification>
|
||
<mods:identifier id="79EA6528DF6A6391D301B032D164F978" type="DOI">10.11646/phytotaxa.54.1.5</mods:identifier>
|
||
<mods:identifier id="3A93CB0BB1364A9CC82BE76DD4D41641" type="ISSN">1179-3163</mods:identifier>
|
||
<mods:identifier id="DE9740DC42C8359FDBEBC678DD50BD09" type="Zenodo-Dep">5061050</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="CB598351835AFFC2FF31FDD227AC3015" LSID="urn:lsid:plazi:treatment:CB598351835AFFC2FF31FDD227AC3015" httpUri="http://treatment.plazi.org/id/CB598351835AFFC2FF31FDD227AC3015" lastPageId="12" lastPageNumber="55" pageId="8" pageNumber="51">
|
||
<subSubSection id="0BEA61CC835AFFC6FF31FDD222B2374F" pageId="8" pageNumber="51" type="nomenclature">
|
||
<paragraph id="434F3247835AFFC6FF31FDD227813663" blockId="8.[151,1239,538,564]" box="[151,1239,538,564]" pageId="8" pageNumber="51">
|
||
<heading id="1807852B835AFFC6FF31FDD227813663" box="[151,1239,538,564]" fontSize="11" level="2" pageId="8" pageNumber="51" reason="3">
|
||
<emphasis id="7184EE55835AFFC6FF31FDD2202D3663" bold="true" box="[151,891,538,564]" pageId="8" pageNumber="51">
|
||
<taxonomicName id="84F049C4835AFFC6FF31FDD220473663" authority="Riaux-Gobin & Witkowski" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[151,785,538,564]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="discoides" status="sp. nov.">
|
||
<emphasis id="7184EE55835AFFC6FF31FDD222EE3663" bold="true" box="[151,440,538,564]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis discoides</emphasis>
|
||
Riaux-Gobin & Witkowski
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="6AB7532E835AFFC6FCB8FDD2202D3663" box="[798,891,538,564]" pageId="8" pageNumber="51" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="DBCB2EC2835AFFC6FC2DFDD2273D3663" box="[907,1131,538,564]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Figs 21–28, 29–31</figureCitation>
|
||
;
|
||
<tableCitation id="0E7207FC835AFFC6FBD1FDD2279A3663" box="[1143,1228,538,564]" captionStart="TABLE 1" captionStartId="7.[151,235,538,559]" captionText="TABLE 1: Comparison of characters for Cocconeiopsis juandenovensis sp. nov., Cocconeiopsis discoides sp. nov. and (?)Cocconeiopsis sp." pageId="8" pageNumber="51">Table 1</tableCitation>
|
||
)
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="434F3247835AFFC6FF31FD8922B2374F" blockId="8.[151,1436,577,792]" pageId="8" pageNumber="51">
|
||
<emphasis id="7184EE55835AFFC6FF31FD89214936AF" italics="true" pageId="8" pageNumber="51">
|
||
Frustula solitaria. Valvae minutae, rotundatae et planae. Striae radiantes (43 +
|
||
<quantity id="84089FA2835AFFC6FC52FD892767360F" box="[1012,1073,577,600]" metricMagnitude="-1" metricUnit="m" metricValue="2.1082" pageId="8" pageNumber="51" unit="in" value="8.3">8.3 in</quantity>
|
||
<quantity id="84089FA2835AFFC6FB9EFD8927D6360F" box="[1080,1152,577,600]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
), aequidistantes per totam valvam, cum intercalaribus brevibus striis in media valva ad marginem. Virgae elevatae. Areolae minutae, rotundatae, externe hymenio modice concavo clausae, cum brevibus marginalibus radiantibus rimulis. Una marginalis series areolarum hippocrepicarum ("horse-shoe shaped"). Area axialis regularis, angusta et recta. Externe visa, extrema centralia raphis approximata et in oppositis directionibus deflecta. Extrema terminalia raphis simplicia, rotundata et longinqu
|
||
</emphasis>
|
||
ō
|
||
<emphasis id="7184EE55835AFFC6FD92FD2922B2374F" italics="true" pageId="8" pageNumber="51">ab apicibus posita. Area centralis mediocris. Habitat coralloides sedimentum, ad oras Juan de Nova Insulae</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="0BEA61CC835AFFC6FF31FC89205A3191" pageId="8" pageNumber="51" type="description">
|
||
<paragraph id="434F3247835AFFC6FF31FC89204430C7" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
<taxonomicName id="84F049C4835AFFC6FF31FC892296370D" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[151,448,833,858]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="discoides">
|
||
<emphasis id="7184EE55835AFFC6FF31FC892296370D" box="[151,448,833,858]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis discoides</emphasis>
|
||
</taxonomicName>
|
||
is very similar to
|
||
<taxonomicName id="84F049C4835AFFC6FD04FC8920D6370D" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[674,896,833,858]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="juandenovensis">
|
||
<emphasis id="7184EE55835AFFC6FD04FC8920D6370D" box="[674,896,833,858]" italics="true" pageId="8" pageNumber="51">C. juandenovensis</emphasis>
|
||
</taxonomicName>
|
||
except in the following features: 1) slightly larger dimensions; 2) Length/width ratio is lower (more disk-shaped); 3) it has a higher stria density (average
|
||
<quantity id="84089FA2835AFFC6FF31FC46238237FF" box="[151,212,910,936]" metricMagnitude="0" metricUnit="m" metricValue="1.0668" pageId="8" pageNumber="51" unit="in" value="42.0">42 in</quantity>
|
||
<quantity id="84089FA2835AFFC6FF7BFC46227A37FF" box="[221,300,910,936]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
as compared to 37.4, on valve margin); 4) striae are less strongly radiate (average. 55 degree angle with raphe, as compared to 48 degree); 5) areola hymen are strongly depressed (
|
||
<figureCitation id="DBCB2EC2835AFFC6FB27FC7D26513798" box="[1153,1287,949,975]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Figs 26–28</figureCitation>
|
||
) are situated on one side of the virgae (
|
||
<figureCitation id="DBCB2EC2835AFFC6FE6AFC14217F37A1" box="[460,553,988,1014]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Figs 24</figureCitation>
|
||
, arrows); and 6) the horse-shoe shaped marginal areolae are very irregular and not separated from the rest of the stria by a hyaline area (
|
||
<figureCitation id="DBCB2EC2835AFFC6FCD0FBCA2754304B" box="[886,1026,1026,1052]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Figs 26–28</figureCitation>
|
||
). The cingulum width is relatively low and composed of several bands, apparently un-perforated (
|
||
<figureCitation id="DBCB2EC2835AFFC6FCDCFBE120863014" box="[890,976,1065,1091]" captionStart="FIGURES 32–33" captionStartId="10.[151,258,1381,1402]" captionTargetBox="[173,1417,417,1355]" captionTargetId="figure-366@10.[155,1432,404,1368]" captionTargetPageId="10" captionText="FIGURES 32–33: Cocconeiopsis discoides sp. nov. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae. Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="8" pageNumber="51">Fig. 32</figureCitation>
|
||
) and quasifract (
|
||
<figureCitation id="DBCB2EC2835AFFC6FB33FBE1264A3014" box="[1173,1308,1065,1091]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Figs 28, 31</figureCitation>
|
||
). All other features are similar to those of
|
||
<taxonomicName id="84F049C4835AFFC6FE58FB982033303E" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[510,869,1104,1129]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="juandenovensis">
|
||
<emphasis id="7184EE55835AFFC6FE58FB982033303E" box="[510,869,1104,1129]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis juandenovensis</emphasis>
|
||
</taxonomicName>
|
||
, in particular the bilateral valve symmetry (even if a certain asymmetry can be noticed in LM,
|
||
<figureCitation id="DBCB2EC2835AFFC6FD08FBBE205330C7" box="[686,773,1142,1168]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Fig. 29</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="434F3247835AFFC6FF60FB5522643105" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
On the unique internal view observed (
|
||
<figureCitation id="DBCB2EC2835AFFC6FD0AFB55206C30E0" box="[684,826,1181,1207]" captionStart="FIGURES 32–33" captionStartId="10.[151,258,1381,1402]" captionTargetBox="[173,1417,417,1355]" captionTargetId="figure-366@10.[155,1432,404,1368]" captionTargetPageId="10" captionText="FIGURES 32–33: Cocconeiopsis discoides sp. nov. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae. Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="8" pageNumber="51">Figs 32–33</figureCitation>
|
||
), helictoglossae are very slightly salient (
|
||
<figureCitation id="DBCB2EC2835AFFC6FA9AFB5526C030E0" box="[1340,1430,1181,1207]" captionStart="FIGURES 32–33" captionStartId="10.[151,258,1381,1402]" captionTargetBox="[173,1417,417,1355]" captionTargetId="figure-366@10.[155,1432,404,1368]" captionTargetPageId="10" captionText="FIGURES 32–33: Cocconeiopsis discoides sp. nov. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae. Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="8" pageNumber="51">Fig. 33</figureCitation>
|
||
, arrow), central raphe endings are slightly curved in opposite direction (
|
||
<figureCitation id="DBCB2EC2835AFFC6FC5CFB0C27033089" box="[1018,1109,1220,1246]" captionStart="FIGURES 32–33" captionStartId="10.[151,258,1381,1402]" captionTargetBox="[173,1417,417,1355]" captionTargetId="figure-366@10.[155,1432,404,1368]" captionTargetPageId="10" captionText="FIGURES 32–33: Cocconeiopsis discoides sp. nov. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae. Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="8" pageNumber="51">Fig. 33</figureCitation>
|
||
), the virgae are marginally elevated, with sort or pearls. One pearl (
|
||
<figureCitation id="DBCB2EC2835AFFC6FDD2FB22219A3153" box="[628,716,1258,1284]" captionStart="FIGURES 32–33" captionStartId="10.[151,258,1381,1402]" captionTargetBox="[173,1417,417,1355]" captionTargetId="figure-366@10.[155,1432,404,1368]" captionTargetPageId="10" captionText="FIGURES 32–33: Cocconeiopsis discoides sp. nov. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae. Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="8" pageNumber="51">Fig. 32</figureCitation>
|
||
, long arrows) is also present in between each first areolae of the stria (
|
||
<figureCitation id="DBCB2EC2835AFFC6FEADFAD92231317C" box="[267,359,1297,1323]" captionStart="FIGURES 32–33" captionStartId="10.[151,258,1381,1402]" captionTargetBox="[173,1417,417,1355]" captionTargetId="figure-366@10.[155,1432,404,1368]" captionTargetPageId="10" captionText="FIGURES 32–33: Cocconeiopsis discoides sp. nov. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae. Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32)." figureDoi="http://doi.org/10.5281/zenodo.5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="8" pageNumber="51">Fig. 32</figureCitation>
|
||
, short arrows). Only
|
||
<specimenCount id="55F6F9CE835AFFC6FDCBFAD92044317C" box="[621,786,1297,1323]" pageId="8" pageNumber="51" type="generic">13 specimens</specimenCount>
|
||
photographed. Not found in "JDN2-3 sediments and macroalgae".
|
||
</paragraph>
|
||
<paragraph id="434F3247835AFFC6FF60FA96205A3191" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
Dimensions: 7.5–9.7 (8.8 + 0.7) µm long; 6.6–9.5 (8.1 + 0.7) µm wide; length/width: 1.1 + 0.04; stria density: 45–52.9 (43 + 8.3) striae in
|
||
<quantity id="84089FA2835AFFC6FDF6FA4D21C831C8" box="[592,670,1413,1439]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
on median part of valve; 32.5–44.7(40.6 + 3.3) striae in
|
||
<quantity id="84089FA2835AFFC6FAE8FA4D26CA31C8" box="[1358,1436,1413,1439]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
near valve margin (SEM observed specimens n = 13).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="0BEA61CC835AFFC6FF60FA1A266132F9" pageId="8" pageNumber="51" type="materials_examined">
|
||
<paragraph id="434F3247835AFFC6FF60FA1A27EB326D" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
<emphasis id="7184EE55835AFFC6FF60FA1A225531BB" bold="true" box="[198,259,1490,1516]" pageId="8" pageNumber="51">Type</emphasis>
|
||
:—
|
||
<materialsCitation id="F398381A835AFFC6FE83FA1A22E4326D" accessionNumber="BM 101632" collectionCode="R, BM, BRM" collectorName="de Nova" latitude="-17.046618" location="Juan de Nova" longLatPrecision="1" longitude="42.730183" municipality="Juan de Nova" pageId="8" pageNumber="51" specimenCode="ZU8" specimenCount="1" typeStatus="holotype">
|
||
SCATTERED ISLANDS.
|
||
<location id="462F649C835AFFC6FDCEFA1A204531BB" LSID="urn:lsid:plazi:treatment:CB598351835AFFC2FF31FDD227AC3015:462F649C835AFFC6FDCEFA1A204531BB" box="[616,787,1490,1516]" latitude="-17.046618" longLatPrecision="1" longitude="42.730183" municipality="Juan de Nova" name="Juan de Nova" pageId="8" pageNumber="51">
|
||
Juan
|
||
<collectorName id="EE055791835AFFC6FD0FFA1A204531BB" box="[681,787,1490,1516]" pageId="8" pageNumber="51">de Nova</collectorName>
|
||
</location>
|
||
:
|
||
<collectingMunicipality id="A32BA83D835AFFC6FC84FA1A209131BB" box="[802,967,1490,1516]" pageId="8" pageNumber="51">
|
||
Juan
|
||
<collectorName id="EE055791835AFFC6FCC4FA1A209131BB" box="[866,967,1490,1516]" pageId="8" pageNumber="51">de Nova</collectorName>
|
||
</collectingMunicipality>
|
||
lagoon,
|
||
<taxonomicName id="84F049C4835AFFC6FB92FA1B27A531BB" authorityName="Jaeger" authorityYear="1833" box="[1076,1267,1491,1516]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="8" pageNumber="51" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE55835AFFC6FB92FA1B27A531BB" box="[1076,1267,1491,1516]" italics="true" pageId="8" pageNumber="51">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
scraping,
|
||
<geoCoordinate id="26C45480835AFFC6FAD5FA1A22513244" degrees="17" direction="south" minutes="02.797" orientation="latitude" pageId="8" pageNumber="51" precision="1" value="-17.046618">17° 02.797' S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="26C45480835AFFC6FEB2FA3122E03244" box="[276,438,1529,1555]" degrees="42" direction="east" minutes="43.811" orientation="longitude" pageId="8" pageNumber="51" precision="1" value="42.730183">42° 43.811' E</geoCoordinate>
|
||
, (
|
||
<typeStatus id="9C4B8CE5835AFFC6FE6DFA3121653244" box="[459,563,1529,1555]" pageId="8" pageNumber="51" type="holotype">holotype</typeStatus>
|
||
<figureCitation id="DBCB2EC2835AFFC6FD9DFA3121C73244" box="[571,657,1529,1555]" captionStart="FIGURES 21–31" captionStartId="10.[151,258,151,172]" captionText="FIGURES 21–31: Cocconeiopsis discoides sp. nov. (Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2 Holothuria atra". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci. Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31)." pageId="8" pageNumber="51">Fig. 21</figureCitation>
|
||
, original picture SEM "160710-15" (collection C.
|
||
<collectionCode id="25E1AA82835AFFC6FB43FA3127AA3244" box="[1253,1276,1529,1555]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="8" pageNumber="51">R</collectionCode>
|
||
.-G.); isotypes
|
||
<collectionCode id="25E1AA82835AFFC6FF31F9E82393326D" box="[151,197,1568,1594]" country="United Kingdom" name="Bristol Museum" pageId="8" pageNumber="51">BM</collectionCode>
|
||
101632,
|
||
<collectionCode id="25E1AA82835AFFC6FE94F9E82225326D" box="[306,371,1568,1594]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="8" pageNumber="51" type="Herbarium">BRM</collectionCode>
|
||
<specimenCode id="13569A3C835AFFC6FEDDF9E822E4326D" box="[379,434,1568,1594]" collectionCode="BRM" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="8" pageNumber="51" type="Herbarium">ZU8</specimenCode>
|
||
</materialsCitation>
|
||
/
|
||
<materialsCitation id="F398381A835AFFC6FE1DF9E827F9326D" box="[443,1199,1568,1594]" collectionCode="R" collectorName="Andrzej Witkowski" pageId="8" pageNumber="51" specimenCount="1" typeStatus="holotype">
|
||
34, AW 18110 (collection
|
||
<collectorName id="EE055791835AFFC6FD48F9E82062326D" box="[750,820,1568,1594]" name="Andrzej Witkowski" pageId="8" pageNumber="51">A. W.</collectorName>
|
||
) and JDN1 (collection C.
|
||
<collectionCode id="25E1AA82835AFFC6FBC1F9E8272B326D" box="[1127,1149,1568,1594]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="8" pageNumber="51">R</collectionCode>
|
||
.-G.)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="434F3247835AFFC6FF60F98E266132F9" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
<emphasis id="7184EE55835AFFC6FF60F98E22AC3237" bold="true" box="[198,506,1606,1632]" pageId="8" pageNumber="51">Habitat and distribution</emphasis>
|
||
:—Marine (shallow lagoon of Juan de Nova Island), found on
|
||
<taxonomicName id="84F049C4835AFFC6FB46F98F26CA3237" authorityName="Jaeger" authorityYear="1833" box="[1248,1436,1607,1632]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="8" pageNumber="51" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE55835AFFC6FB46F98F26CA3237" box="[1248,1436,1607,1632]" italics="true" pageId="8" pageNumber="51">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
teguments, very rare (during average 70 hours SEM devoted to "JDN2-3" samples, upon which "JDN2
|
||
<taxonomicName id="84F049C4835AFFC6FF31F95C220732FA" authorityName="Jaeger" authorityYear="1833" box="[151,337,1684,1709]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="8" pageNumber="51" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE55835AFFC6FF31F95C220732FA" box="[151,337,1684,1709]" italics="true" pageId="8" pageNumber="51">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
", only 13 valves were found and examined), only found on "JDN2
|
||
<taxonomicName id="84F049C4835AFFC6FBCFF95C267232FA" authorityName="Jaeger" authorityYear="1833" box="[1129,1316,1684,1709]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="8" pageNumber="51" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE55835AFFC6FBCFF95C267232FA" box="[1129,1316,1684,1709]" italics="true" pageId="8" pageNumber="51">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
".
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="0BEA61CC835AFFC2FF60F97727AC3015" lastPageId="12" lastPageNumber="55" pageId="8" pageNumber="51" type="etymology">
|
||
<paragraph id="434F3247835AFFC6FF60F977227F335F" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
<emphasis id="7184EE55835AFFC6FF60F977221B328E" bold="true" box="[198,333,1727,1753]" pageId="8" pageNumber="51">Etymology</emphasis>
|
||
:—The specific epithet
|
||
<taxonomicName id="84F049C4835AFFC6FDC6F908219B328E" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[608,717,1728,1753]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="discoides">
|
||
<emphasis id="7184EE55835AFFC6FDC6F908219B328E" box="[608,717,1728,1753]" italics="true" pageId="8" pageNumber="51">discoides</emphasis>
|
||
</taxonomicName>
|
||
(from the Greek ƖσκοεƖδήσ: disk-shaped) refers to the shape of the valve.
|
||
</paragraph>
|
||
<paragraph id="434F3247835AFFC6FF60F8DF207333F1" blockId="8.[151,1436,833,1958]" pageId="8" pageNumber="51">
|
||
<emphasis id="7184EE55835AFFC6FF60F8DF223A3366" bold="true" box="[198,364,1815,1841]" pageId="8" pageNumber="51">Observations</emphasis>
|
||
:—There are certain similarities of
|
||
<taxonomicName id="84F049C4835AFFC6FCA3F8D027723366" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[773,1060,1816,1841]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="discoides">
|
||
<emphasis id="7184EE55835AFFC6FCA3F8D027723366" box="[773,1060,1816,1841]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis discoides</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="84F049C4835AFFC6FBFAF8D02277330F" authority="(Yamaoka et al. 2012)" baseAuthorityName="Yamaoka" baseAuthorityYear="2012" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="orthoneioides">
|
||
<emphasis id="7184EE55835AFFC6FBFAF8D027393366" box="[1116,1135,1816,1841]" italics="true" pageId="8" pageNumber="51">C</emphasis>
|
||
.
|
||
<emphasis id="7184EE55835AFFC6FBDBF8D026483366" box="[1149,1310,1816,1841]" italics="true" pageId="8" pageNumber="51">orthoneioides</emphasis>
|
||
(
|
||
<bibRefCitation id="27614FB6835AFFC6FA8AF8D0224E330F" author="Yamaoka, M. & Suzuki, H. & Witkowski, A. & Nagumo, T. & Tanaka, J." pageId="8" pageNumber="51" pagination="45 - 54" refId="ref8740" refString="Yamaoka, M., Suzuki, H., Witkowski, A., Nagumo, T. & Tanaka, J. (2012) Morphology and taxonomy of marine benthic diatoms (4), Cocconeiopsis (Naviculaceae, Naviculales). The Journal of Japanese Botany 87: 45 - 54." type="journal article" year="2012">
|
||
Yamaoka
|
||
<emphasis id="7184EE55835AFFC6FF31F8F7239D330F" box="[151,203,1855,1880]" italics="true" pageId="8" pageNumber="51">et al</emphasis>
|
||
. 2012
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
; the latter is larger, with less radiate striae, lower stria density (
|
||
<quantity id="84089FA2835AFFC6FBA1F8F62726330F" box="[1031,1136,1854,1880]" metricMagnitude="-1" metricUnit="m" metricValue="4.826" metricValueMax="5.08" metricValueMin="4.572" pageId="8" pageNumber="51" unit="in" value="19.0" valueMax="20.0" valueMin="18.0">18–20 in</quantity>
|
||
<quantity id="84089FA2835AFFC6FBD1F8F62791330F" box="[1143,1223,1854,1880]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
), well identifiable perforations on the girdle bands and areola hymen with marginal short slits (
|
||
<bibRefCitation id="27614FB6835AFFC6FB80F8AD26773328" author="Yamaoka, M. & Suzuki, H. & Witkowski, A. & Nagumo, T. & Tanaka, J." box="[1062,1313,1893,1919]" pageId="8" pageNumber="51" pagination="45 - 54" refId="ref8740" refString="Yamaoka, M., Suzuki, H., Witkowski, A., Nagumo, T. & Tanaka, J. (2012) Morphology and taxonomy of marine benthic diatoms (4), Cocconeiopsis (Naviculaceae, Naviculales). The Journal of Japanese Botany 87: 45 - 54." type="journal article" year="2012">
|
||
Yamaoka
|
||
<emphasis id="7184EE55835AFFC6FB38F8AD27843329" box="[1182,1234,1893,1918]" italics="true" pageId="8" pageNumber="51">et al</emphasis>
|
||
. 2012
|
||
</bibRefCitation>
|
||
), different from the structure observed in
|
||
<taxonomicName id="84F049C4835AFFC6FE59F844204833F2" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[511,798,1932,1957]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="discoides">
|
||
<emphasis id="7184EE55835AFFC6FE59F844204833F2" box="[511,798,1932,1957]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis discoides</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="178F62CF8358FFC4FF31FF5F27433568" pageId="10" pageNumber="53" startId="10.[151,258,151,172]">
|
||
<paragraph id="434F32478358FFC4FF31FF5F20EC3575" blockId="10.[151,1437,151,319]" pageId="10" pageNumber="53">
|
||
<emphasis id="7184EE558358FFC4FF31FF5F221234FB" bold="true" box="[151,324,151,172]" pageId="10" pageNumber="53">FIGURES 21–31</emphasis>
|
||
:
|
||
<taxonomicName id="84F049C48358FFC4FEF7FF50216B34FA" authority="Riaux-Gobin & Witkowski, 2012" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[337,573,152,173]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="53" phylum="Ochrophyta" rank="species" species="discoides" status="sp. nov.">
|
||
<emphasis id="7184EE558358FFC4FEF7FF50216B34FA" box="[337,573,152,173]" italics="true" pageId="10" pageNumber="53">Cocconeiopsis discoides</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="6AB7532E8358FFC4FDE2FF5F21D934FB" box="[580,655,151,172]" pageId="10" pageNumber="53" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(Figs 21-28, 31, SEM; Figs 29, 30, LM) from "JDN2
|
||
<taxonomicName id="84F049C48358FFC4FB3BFF50266134FA" authorityName="Jaeger" authorityYear="1833" box="[1181,1335,152,173]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="10" pageNumber="53" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE558358FFC4FB3BFF50266134FA" box="[1181,1335,152,173]" italics="true" pageId="10" pageNumber="53">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
". Figs 21: illustration of the holotype, see text), 22: External views of valve. Fig. 23: External view of restricted central area. Fig. 24: Striae with eccentric position of well-identifiable areolae (arrows), and slightly elevated virgae. Fig. 25: Terminal raphe ending. Figs 26–28: Irregular horse-shoe shaped marginal areola (Fig. 26, arrow), not separated from rest of stria by rim. Figs 28, 31: Note cingulum showing quasifract structure (arrows). (?) Figs 29, 30: One frustule at different foci.
|
||
</paragraph>
|
||
<paragraph id="434F32478358FFC4FF31FEE227433568" blockId="10.[151,1437,151,319]" box="[151,1045,298,319]" pageId="10" pageNumber="53">Scale bars = 10 µm (Figs 29, 30); 3 µm (Figs 21, 22); 0.5 µm (Figs 23–28); 0.4 µm (Fig. 31).</paragraph>
|
||
</caption>
|
||
<caption id="178F62CF8358FFC4FF31FAAD216831A7" ID-DOI="http://doi.org/10.5281/zenodo.5061067" ID-Zenodo-Dep="5061067" httpUri="https://zenodo.org/record/5061067/files/figure.png" pageId="10" pageNumber="53" startId="10.[151,258,1381,1402]" targetBox="[173,1417,417,1355]" targetPageId="10">
|
||
<paragraph id="434F32478358FFC4FF31FAAD23843185" blockId="10.[151,1436,1381,1520]" pageId="10" pageNumber="53">
|
||
<emphasis id="7184EE558358FFC4FF31FAAD2213312D" bold="true" box="[151,325,1381,1402]" pageId="10" pageNumber="53">FIGURES 32–33</emphasis>
|
||
:
|
||
<taxonomicName id="84F049C48358FFC4FEF4FAAD2116312D" authority="Riaux-Gobin & Witkowski, 2012" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[338,576,1381,1402]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="53" phylum="Ochrophyta" rank="species" species="discoides" status="sp. nov.">
|
||
<emphasis id="7184EE558358FFC4FEF4FAAD2116312D" box="[338,576,1381,1402]" italics="true" pageId="10" pageNumber="53">Cocconeiopsis discoides</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="6AB7532E8358FFC4FDE1FAAD21C5312D" box="[583,659,1381,1402]" pageId="10" pageNumber="53" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(SEM) from "JDN2
|
||
<taxonomicName id="84F049C48358FFC4FCF9FAAD20AF312D" authorityName="Jaeger" authorityYear="1833" box="[863,1017,1381,1402]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="10" pageNumber="53" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE558358FFC4FCF9FAAD20AF312D" box="[863,1017,1381,1402]" italics="true" pageId="10" pageNumber="53">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
". Internal views. Fig. 32: detail of Fig. 33, cingulum composed of several low bands, apparently un-perforated, virgae marginally elevated and ornamented by pearls, presence of a pearl (long arrows) between each marginal areola (short arrows). Fig. 33: Complete valve with helictoglossae (arrow) and radiate striae.
|
||
</paragraph>
|
||
<paragraph id="434F32478358FFC4FF31FA13216831A7" blockId="10.[151,1436,1381,1520]" box="[151,574,1499,1520]" pageId="10" pageNumber="53">Scale bars = 3 µm (Fig. 33); 1 µm (Fig. 32).</paragraph>
|
||
</caption>
|
||
<paragraph id="434F32478358FFC4FF31F98D21913208" blockId="10.[151,711,1605,1631]" box="[151,711,1605,1631]" pageId="10" pageNumber="53">
|
||
<emphasis id="7184EE558358FFC4FF31F98D22C13208" bold="true" box="[151,407,1605,1631]" pageId="10" pageNumber="53">
|
||
(?)
|
||
<taxonomicName id="84F049C48358FFC4FF66F98D22C13208" box="[192,407,1605,1631]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="10" pageNumber="53" phylum="Ochrophyta" rank="species" species="undetermined">
|
||
<emphasis id="7184EE558358FFC4FF66F98D223B3208" bold="true" box="[192,365,1605,1631]" italics="true" pageId="10" pageNumber="53">Cocconeiopsis</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="DBCB2EC28358FFC4FE01F98D210C3208" box="[423,602,1605,1631]" captionStart-0="FIGURES 34–44" captionStart-1="FIGURES 45–47" captionStartId-0="12.[151,258,151,172]" captionStartId-1="13.[151,258,1726,1747]" captionTargetBox-1="[195,1397,159,1711]" captionTargetId-1="figure-151@13.[170,1416,135,1730]" captionTargetPageId-1="13" captionText-0="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." captionText-1="FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46)." figureDoi-1="http://doi.org/10.5281/zenodo.5061069" httpUri-1="https://zenodo.org/record/5061069/files/figure.png" pageId="10" pageNumber="53">Figs 35, 43–47</figureCitation>
|
||
;
|
||
<tableCitation id="0E7207FC8358FFC4FDC1F98D21EA3208" box="[615,700,1605,1631]" captionStart="TABLE 1" captionStartId="7.[151,235,538,559]" captionText="TABLE 1: Comparison of characters for Cocconeiopsis juandenovensis sp. nov., Cocconeiopsis discoides sp. nov. and (?)Cocconeiopsis sp." pageId="10" pageNumber="53">Table 1</tableCitation>
|
||
)
|
||
</paragraph>
|
||
<paragraph id="434F32478358FFC2FF31F95B2019361C" blockId="10.[151,1436,1683,2018]" lastBlockId="12.[151,1436,484,1090]" lastPageId="12" lastPageNumber="55" pageId="10" pageNumber="53">
|
||
Cells solitary, disc-like, always lying in valve views. Frustule thin, very delicate. Valves circular, very shallow, without distinct mantle. Striae radiate, alternatively shortened near central area, becoming biseriate near margin (
|
||
<figureCitation id="DBCB2EC28358FFC4FE94F928214432AD" box="[306,530,1760,1786]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Figs 34–38, 40, 42</figureCitation>
|
||
). A marginal reticulate silica structure underlines proximal part of striae, with a kind of digitiform thin irregular fimbriae (
|
||
<figureCitation id="DBCB2EC28358FFC4FD06F8CF200E3376" box="[672,856,1799,1825]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Figs 37, 38, 42</figureCitation>
|
||
). The latter structure may be part of valvocopula but that is yet unsubstantiated. Axial area narrow, straight. Silica thickenings present along raphe slits on axial area and along virgae near centre of valve (
|
||
<figureCitation id="DBCB2EC28358FFC4FD0DF89C206C3339" box="[683,826,1876,1902]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Figs 39, 41</figureCitation>
|
||
). Central area not expanded (
|
||
<figureCitation id="DBCB2EC28358FFC4FB05F89C26653339" box="[1187,1331,1876,1902]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Figs 39, 41</figureCitation>
|
||
). Areola hymen details not discernible (
|
||
<figureCitation id="DBCB2EC28358FFC4FDAAF8B3213033C2" box="[524,614,1915,1941]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Fig. 39</figureCitation>
|
||
), possibly macroareolae with plain hymenes. External central raphe endings set apart, very slightly hooked in opposite direction (
|
||
<figureCitation id="DBCB2EC28358FFC4FCCCF86A209733EB" box="[874,961,1954,1980]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Fig. 39</figureCitation>
|
||
, arrows); terminal raphe endings simple and distant from margin (
|
||
<figureCitation id="DBCB2EC28358FFC4FE67F800214133B5" box="[449,535,1992,2018]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Fig. 37</figureCitation>
|
||
, arrow). Numerous narrow copulae (
|
||
<figureCitation id="DBCB2EC28358FFC4FC60F80027F133B5" box="[966,1191,1992,2018]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="10" pageNumber="53">Figs 37, 38, 40, 42</figureCitation>
|
||
), several, all open (
|
||
<figureCitation id="DBCB2EC2835EFFC2FF06FE2C23AD35A9" box="[160,251,484,510]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="12" pageNumber="55">Fig. 38</figureCitation>
|
||
, short arrows indicated copula endings; long arrow indicates ligula). Internal view (
|
||
<figureCitation id="DBCB2EC2835EFFC2FAA6FE2C26D935A9" box="[1280,1423,484,510]" captionStart="FIGURES 45–47" captionStartId="13.[151,258,1726,1747]" captionTargetBox="[195,1397,159,1711]" captionTargetId="figure-151@13.[170,1416,135,1730]" captionTargetPageId="13" captionText="FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46)." figureDoi="http://doi.org/10.5281/zenodo.5061069" httpUri="https://zenodo.org/record/5061069/files/figure.png" pageId="12" pageNumber="55">Figs 45–47</figureCitation>
|
||
), helictoglossae very slightly salient (
|
||
<figureCitation id="DBCB2EC2835EFFC2FD9FFDC221D93673" box="[569,655,522,548]" captionStart="FIGURES 45–47" captionStartId="13.[151,258,1726,1747]" captionTargetBox="[195,1397,159,1711]" captionTargetId="figure-151@13.[170,1416,135,1730]" captionTargetPageId="13" captionText="FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46)." figureDoi="http://doi.org/10.5281/zenodo.5061069" httpUri="https://zenodo.org/record/5061069/files/figure.png" pageId="12" pageNumber="55">Fig. 47</figureCitation>
|
||
, arrows), marginal rim (
|
||
<figureCitation id="DBCB2EC2835EFFC2FC0FFDC220A93673" box="[937,1023,522,548]" captionStart="FIGURES 45–47" captionStartId="13.[151,258,1726,1747]" captionTargetBox="[195,1397,159,1711]" captionTargetId="figure-151@13.[170,1416,135,1730]" captionTargetPageId="13" captionText="FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46)." figureDoi="http://doi.org/10.5281/zenodo.5061069" httpUri="https://zenodo.org/record/5061069/files/figure.png" pageId="12" pageNumber="55">Fig. 46</figureCitation>
|
||
, long arrow), and possibly a row of regular minute pores on girdle band (
|
||
<figureCitation id="DBCB2EC2835EFFC2FDECFDF921F6361C" box="[586,672,561,587]" captionStart="FIGURES 45–47" captionStartId="13.[151,258,1726,1747]" captionTargetBox="[195,1397,159,1711]" captionTargetId="figure-151@13.[170,1416,135,1730]" captionTargetPageId="13" captionText="FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46)." figureDoi="http://doi.org/10.5281/zenodo.5061069" httpUri="https://zenodo.org/record/5061069/files/figure.png" pageId="12" pageNumber="55">Fig. 46</figureCitation>
|
||
, short arrows).
|
||
</paragraph>
|
||
<caption id="178F62CF835EFFC2FF31FF5F2792350B" pageId="12" pageNumber="55" startId="12.[151,258,151,172]">
|
||
<paragraph id="434F3247835EFFC2FF31FF5F23B03568" blockId="12.[151,1437,151,348]" pageId="12" pageNumber="55">
|
||
<emphasis id="7184EE55835EFFC2FF31FF5F221534FB" bold="true" box="[151,323,151,172]" pageId="12" pageNumber="55">FIGURES 34–44</emphasis>
|
||
: (?)
|
||
<taxonomicName id="84F049C4835EFFC2FEC9FF50214B34FB" box="[367,541,151,173]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="55" phylum="Ochrophyta" rank="species" species="undetermined">
|
||
<emphasis id="7184EE55835EFFC2FEC9FF5022AD34FA" box="[367,507,152,173]" italics="true" pageId="12" pageNumber="55">Cocconeiopsis</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
(Figs 34–42, SEM; Figs 43–44, LM) from "JDN2
|
||
<taxonomicName id="84F049C4835EFFC2FBA7FF5027CF34FA" authorityName="Jaeger" authorityYear="1833" box="[1025,1177,152,173]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="12" pageNumber="55" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE55835EFFC2FBA7FF5027CF34FA" box="[1025,1177,152,173]" italics="true" pageId="12" pageNumber="55">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow).
|
||
</paragraph>
|
||
<paragraph id="434F3247835EFFC2FF31FE8F2792350B" blockId="12.[151,1437,151,348]" box="[151,1220,327,348]" pageId="12" pageNumber="55">Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42).</paragraph>
|
||
</caption>
|
||
<paragraph id="434F3247835EFFC2FF60FD90214336E8" blockId="12.[151,1436,484,1090]" pageId="12" pageNumber="55">
|
||
<emphasis id="7184EE55835EFFC2FF60FD9022263626" box="[198,368,600,625]" italics="true" pageId="12" pageNumber="55">Measurements</emphasis>
|
||
: 10.4–14.2 (12.7 + 1.4) µm long; 9.2–13.8 (11.9 + 1.9) µm wide length/width: 1.1 + 0.08; stria density: 32.5–40.7 (36.4 + 4.5) striae in
|
||
<quantity id="84089FA2835EFFC2FD08FDB621AD36CF" box="[686,763,638,664]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="12" pageNumber="55" unit="mm" value="10.0">10 µm</quantity>
|
||
on median part of valve; 32.5–36.6 (33.9 + 1.8) striae in
|
||
<quantity id="84089FA2835EFFC2FF31FD6D23B236E8" box="[151,228,677,703]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="12" pageNumber="55" unit="mm" value="10.0">10 µm</quantity>
|
||
on valve margin (n = 12).
|
||
</paragraph>
|
||
<paragraph id="434F3247835EFFC2FF60FD03271C375B" blockId="12.[151,1436,484,1090]" pageId="12" pageNumber="55">
|
||
<emphasis id="7184EE55835EFFC2FF60FD0322A836B2" bold="true" box="[198,510,715,741]" pageId="12" pageNumber="55">Habitat and distribution</emphasis>
|
||
:
|
||
<emphasis id="7184EE55835EFFC2FDA0FD03217536B2" bold="true" box="[518,547,715,741]" pageId="12" pageNumber="55">—</emphasis>
|
||
Very rare on
|
||
<taxonomicName id="84F049C4835EFFC2FD63FD04202C36B1" authorityName="Jaeger" authorityYear="1833" box="[709,890,716,742]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="12" pageNumber="55" phylum="Echinodermata" rank="species" species="atra">Holothuria atra</taxonomicName>
|
||
teguments, in the shallow lagoon of Juan de Nova Island. Not found on adjacent sediments or macroalgae from the same site.
|
||
</paragraph>
|
||
<paragraph id="434F3247835EFFC2FF60FCD027AC3015" blockId="12.[151,1436,484,1090]" pageId="12" pageNumber="55">
|
||
<emphasis id="7184EE55835EFFC2FF60FCD0223A3765" bold="true" box="[198,364,792,818]" pageId="12" pageNumber="55">Observations</emphasis>
|
||
:—Rare in sample "JDN2
|
||
<taxonomicName id="84F049C4835EFFC2FD02FCD120363765" authorityName="Jaeger" authorityYear="1833" box="[676,864,793,818]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="12" pageNumber="55" phylum="Echinodermata" rank="species" species="atra">
|
||
<emphasis id="7184EE55835EFFC2FD02FCD120363765" box="[676,864,793,818]" italics="true" pageId="12" pageNumber="55">Holothuria atra</emphasis>
|
||
</taxonomicName>
|
||
" (only
|
||
<specimenCount id="55F6F9CE835EFFC2FC1CFCD1270C3764" box="[954,1114,793,819]" pageId="12" pageNumber="55" type="generic">12 specimens</specimenCount>
|
||
photographed). Specimens are slightly larger than
|
||
<taxonomicName id="84F049C4835EFFC2FE0DFC8821D2370E" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[427,644,832,858]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="55" phylum="Ochrophyta" rank="species" species="juandenovensis">
|
||
<emphasis id="7184EE55835EFFC2FE0DFC8822E8370E" box="[427,446,832,857]" italics="true" pageId="12" pageNumber="55">C</emphasis>
|
||
.
|
||
<emphasis id="7184EE55835EFFC2FE68FC8821D2370E" box="[462,644,832,857]" italics="true" pageId="12" pageNumber="55">juandenovensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<tableCitation id="0E7207FC835EFFC2FD32FC8821BB370D" box="[660,749,832,858]" captionStart="TABLE 1" captionStartId="7.[151,235,538,559]" captionText="TABLE 1: Comparison of characters for Cocconeiopsis juandenovensis sp. nov., Cocconeiopsis discoides sp. nov. and (?)Cocconeiopsis sp." pageId="12" pageNumber="55">Table 1</tableCitation>
|
||
) and more discoid (length/width 1.1 as compared to 1.3). There are some similar features to
|
||
<taxonomicName id="84F049C4835EFFC2FDEBFCAF21B037D7" authorityName="Riaux-Gobin & Witkowski" authorityYear="2012" box="[589,742,870,896]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="55" phylum="Ochrophyta" rank="species" species="discoides">
|
||
<emphasis id="7184EE55835EFFC2FDEBFCAF213637D7" box="[589,608,871,896]" italics="true" pageId="12" pageNumber="55">C</emphasis>
|
||
.
|
||
<emphasis id="7184EE55835EFFC2FDD5FCAF21B037D7" box="[627,742,871,896]" italics="true" pageId="12" pageNumber="55">discoides</emphasis>
|
||
</taxonomicName>
|
||
(e.g. the same length/width) but the valves have larger dimensions (
|
||
<quantity id="84089FA2835EFFC2FE8BFC4522C737F0" box="[301,401,909,935]" metricMagnitude="-2" metricUnit="m" metricValue="1.26" pageId="12" pageNumber="55" unit="mm" value="12.6">12.6 µm</quantity>
|
||
as compared to
|
||
<quantity id="84089FA2835EFFC2FDF5FC4521FF37F0" box="[595,681,909,935]" metricMagnitude="-3" metricUnit="m" metricValue="8.6" pageId="12" pageNumber="55" unit="mm" value="8.6">8.6 µm</quantity>
|
||
) and lower stria density (36.4 as compared to 45). Furthermore, a very specific marginal structure and indistinct striae characterise?
|
||
<taxonomicName id="84F049C4835EFFC2FC6EFC7C27C93799" box="[968,1183,948,974]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="55" phylum="Ochrophyta" rank="species" species="undetermined">
|
||
<emphasis id="7184EE55835EFFC2FC6EFC7C2723379A" box="[968,1141,948,973]" italics="true" pageId="12" pageNumber="55">Cocconeiopsis</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
Some specimens are slightly asymmetrical (
|
||
<figureCitation id="DBCB2EC2835EFFC2FE0DFC12210937A3" box="[427,607,986,1012]" captionStart="FIGURES 34–44" captionStartId="12.[151,258,151,172]" captionText="FIGURES 34–44: (?) Cocconeiopsis sp. (Figs 34–42, SEM; Figs 43–44, LM) from "JDN2 Holothuria atra". External views. Figs 34– 36: Views of entire valve (slightly asymmetrical in Fig. 36). Figs 37–38, detail of Fig. 37, apex and margin, terminal raphe ending (Fig. 37, arrow), marginal characteristic ornamentation and cingulum composed of open bands (Fig. 38, short arrows) with ligulae (idem, long arrow). Fig. 39, 41: Reduced central area with thick ornamentation along virgae, central raphe endings turned on opposite side (Fig. 39, arrows), indistinct structure of areola hymenes. Figs 40, 42: Marginal biseriate ornamentation and numerous cingular bands (arrow). Scale bars = 10 µm (Figs 43–44); 4 µm (Fig. 35); 3 µm (Figs 34, 36); 1 µm (Figs 41); 0.5 µm (Figs 37–40, 42)." pageId="12" pageNumber="55">Fig. 36, 43–44</figureCitation>
|
||
,
|
||
<figureCitation id="DBCB2EC2835EFFC2FDCAFC1221DB37A3" box="[620,653,986,1012]" captionStart="FIGURES 45–47" captionStartId="13.[151,258,1726,1747]" captionTargetBox="[195,1397,159,1711]" captionTargetId="figure-151@13.[170,1416,135,1730]" captionTargetPageId="13" captionText="FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46)." figureDoi="http://doi.org/10.5281/zenodo.5061069" httpUri="https://zenodo.org/record/5061069/files/figure.png" pageId="12" pageNumber="55">47</figureCitation>
|
||
), as with the RV of
|
||
<taxonomicName id="84F049C4835EFFC2FCD9FC12274737A4" authorityName="Grunow" authorityYear="1867" box="[895,1041,986,1011]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="12" pageNumber="55" phylum="Ochrophyta" rank="genus">
|
||
<emphasis id="7184EE55835EFFC2FCD9FC12274737A4" box="[895,1041,986,1011]" italics="true" pageId="12" pageNumber="55">Anorthoneis</emphasis>
|
||
</taxonomicName>
|
||
. Nevertheless, no SV was found matching the RV valves, justifying the temporary classification of this taxon under?
|
||
<taxonomicName id="84F049C4835EFFC2FB2CFBC92661304D" box="[1162,1335,1025,1050]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="55" phylum="Ochrophyta" rank="genus">
|
||
<emphasis id="7184EE55835EFFC2FB2CFBC92661304D" box="[1162,1335,1025,1050]" italics="true" pageId="12" pageNumber="55">Cocconeiopsis</emphasis>
|
||
</taxonomicName>
|
||
. Formal description requires more details, particularly concerning the areola (or macroareola) occlusion.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |