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<document id="BD98A272B57613048720D22FAD9FCC32" 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 &amp; Witkowski, Andrzej" docDate="2012" docId="CB5983518351FFC6FF31F9BC201835B0" 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 juandenovensis Riaux-Gobin &amp; Witkowski 2012, sp. nov." docType="treatment" docVersion="3" lastPageNumber="51" 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="46" updateTime="1698984061333" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="567D19E56069622281C5FECC842A870C">Small-sized and discoid species of the genus Cocconeiopsis (Bacillariophyta) on Holothuria atra (Juan de Nova, Mozambique Channel)</mods:title>
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<mods:namePart id="169E50B5B40EF9A2E84DC98210E58190">Riaux-Gobin, Catherine</mods:namePart>
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<mods:namePart id="72D5AA1566905D0F08AE1D0A0BB64677">Witkowski, Andrzej</mods:namePart>
<mods:affiliation id="23B56C7BE3137955A27EA3AEABB27283">University of Szczecin, Palaeoceanology Unit, Mickiewicza 18, PL- 70 - 383 Szczecin, Poland. E-mail: witkowsk @ univ. szczecin. pl</mods:affiliation>
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<mods:date id="3B3FE633D41DC452E11C2F43992C0738">2012</mods:date>
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<paragraph id="434F32478351FFCDFF31F9BC265C32D9" blockId="3.[151,1290,1652,1678]" box="[151,1290,1652,1678]" pageId="3" pageNumber="46">
<heading id="1807852B8351FFCDFF31F9BC265C32D9" box="[151,1290,1652,1678]" fontSize="11" level="2" pageId="3" pageNumber="46" reason="3">
<emphasis id="7184EE558351FFCDFF31F9BC209F32D9" bold="true" box="[151,969,1652,1678]" pageId="3" pageNumber="46">
<taxonomicName id="84F049C48351FFCDFF31F9BC200932D9" authority="Riaux-Gobin &amp; Witkowski" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[151,863,1652,1678]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="46" phylum="Ochrophyta" rank="species" species="juandenovensis" status="sp. nov.">
<emphasis id="7184EE558351FFCDFF31F9BC215032D9" bold="true" box="[151,518,1652,1678]" italics="true" pageId="3" pageNumber="46">Cocconeiopsis juandenovensis</emphasis>
Riaux-Gobin &amp; Witkowski
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, 
<taxonomicNameLabel id="6AB7532E8351FFCDFCCAF9BC209F32D9" box="[876,969,1652,1678]" pageId="3" pageNumber="46" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DBCB2EC28351FFCDFC7FF9BC270432D9" box="[985,1106,1652,1678]" captionStart-0="FIGURES 2–7" captionStart-1="FIGURES 8–15" captionStart-2="FIGURES 16–20" captionStartId-0="4.[151,258,1661,1682]" captionStartId-1="5.[151,258,1619,1640]" captionStartId-2="6.[151,259,1886,1907]" captionTargetBox-0="[247,1329,151,1646]" captionTargetBox-1="[167,1415,297,1597]" captionTargetBox-2="[191,1396,256,1864]" captionTargetId-0="figure-200@4.[229,1358,125,1673]" captionTargetId-1="figure-262@5.[151,1436,277,1620]" captionTargetId-2="figure-124@6.[160,1425,237,1886]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="6" captionText-0="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." captionText-1="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." captionText-2="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi-0="http://doi.org/10.5281/zenodo.5061059" figureDoi-1="http://doi.org/10.5281/zenodo.5061063" figureDoi-2="http://doi.org/10.5281/zenodo.5061065" httpUri-0="https://zenodo.org/record/5061059/files/figure.png" httpUri-1="https://zenodo.org/record/5061063/files/figure.png" httpUri-2="https://zenodo.org/record/5061065/files/figure.png" pageId="3" pageNumber="46">Figs 2–20</figureCitation>
, SEM; 
<tableCitation id="0E7207FC8351FFCDFB0CF9BC27A932D9" box="[1194,1279,1652,1678]" 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="3" pageNumber="46">Table 1</tableCitation>
)
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<emphasis id="7184EE558351FFCDFF31F95321903305" italics="true" pageId="3" pageNumber="46">
Frustula solitaria. Valvae minutae, rotundatae ad ellipticae et planae. Striae radiantes (42.4 + 
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), aequidistantes per totam valvam, cum intercalaribus brevibus striis in media valva ad marginem. Virgae moderate elevatae. Areolae minutae, irregulariter rotundatae, externe plano hymenio clausae, cum brevibus marginalibus radiantibus rimulis. Una marginalis series areolarum hippocrepicarum (&quot;horse-shoe shaped&quot;). Area axialis regularis, angusta et recta. Externe visa, extrema centralia raphis approximata et in oppositis directionibus deflecta. Extrema terminalia raphis simplicia et longinqu
</emphasis>
ō 
<emphasis id="7184EE558351FFCDFD7FF8F327F53325" italics="true" pageId="3" pageNumber="46">ab apicibus posita. Area centralis rotundata et mediocris. Copulae complures et angustissimae. Habitat coralloides sedimentum, ad oras Juan de Nova Insulae.</emphasis>
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<paragraph id="434F32478351FFCDFF31F85220E83380" blockId="3.[151,1436,1946,2007]" pageId="3" pageNumber="46">
Cells (frustules) solitary, ellipsoid to disc-like, always lying in valve views. Valves generally elliptical (
<figureCitation id="DBCB2EC28351FFCDFAEDF85223953380" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="3" pageNumber="46">Figs 2, 3, 5</figureCitation>
) to almost circular (
<figureCitation id="DBCB2EC28351FFCDFE17F87522AF3380" box="[433,505,1981,2007]" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="3" pageNumber="46">Fig. 4</figureCitation>
), very shallow, without proper mantle.
</paragraph>
<caption id="178F62CF8356FFCAFF31F9B520D332B1" ID-DOI="http://doi.org/10.5281/zenodo.5061059" ID-Zenodo-Dep="5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="4" pageNumber="47" startId="4.[151,258,1661,1682]" targetBox="[247,1329,151,1646]" targetPageId="4">
<paragraph id="434F32478356FFCAFF31F9B52034329D" blockId="4.[151,1436,1661,1766]" pageId="4" pageNumber="47">
<emphasis id="7184EE558356FFCAFF31F9B5227D32C5" bold="true" box="[151,299,1661,1682]" pageId="4" pageNumber="47">FIGURES 2–7</emphasis>
: 
<taxonomicName id="84F049C48356FFCAFE91F9B5210A32C5" authority="Riaux-Gobin &amp; Witkowski, 2012" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[311,604,1661,1682]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="47" phylum="Ochrophyta" rank="species" species="juandenovensis" status="sp. nov.">
<emphasis id="7184EE558356FFCAFE91F9B5210A32C5" box="[311,604,1661,1682]" italics="true" pageId="4" pageNumber="47">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6AB7532E8356FFCAFDC7F9B521FA32C5" box="[609,684,1661,1682]" pageId="4" pageNumber="47" rank="species">sp. nov.</taxonomicNameLabel>
(SEM) from &quot;JDN2 
<taxonomicName id="84F049C48356FFCAFCD4F9B5275F32C5" authorityName="Jaeger" authorityYear="1833" box="[882,1033,1661,1682]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="4" pageNumber="47" phylum="Echinodermata" rank="species" species="atra">
<emphasis id="7184EE558356FFCAFCD4F9B5275F32C5" box="[882,1033,1661,1682]" italics="true" pageId="4" pageNumber="47">Holothuria atra</emphasis>
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&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows).
</paragraph>
<paragraph id="434F32478356FFCAFF31F91920D332B1" blockId="4.[151,1436,1661,1766]" box="[151,901,1745,1766]" pageId="4" pageNumber="47">Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6).</paragraph>
</caption>
<paragraph id="434F32478356FFCBFF60F8D3203B34A8" blockId="4.[151,1436,1818,2038]" lastBlockId="5.[151,1436,152,255]" lastPageId="5" lastPageNumber="48" pageId="4" pageNumber="47">
<emphasis id="7184EE558356FFCAFF60F8D322243363" box="[198,370,1819,1844]" italics="true" pageId="4" pageNumber="47">External view:</emphasis>
Uniseriate transapical striae, strongly radiate (avg. 48 degree angle to raphe), alternatively shortened near central area (
<figureCitation id="DBCB2EC28356FFCAFE49F889210B330C" box="[495,605,1857,1883]" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="4" pageNumber="47">Figs 6, 7</figureCitation>
), with one marginal row of horse-shoe shaped areolae (
<figureCitation id="DBCB2EC28356FFCAFAA4F88926DB330C" box="[1282,1421,1857,1883]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Figs 11–13</figureCitation>
), separated from rest of stria by a marginal hyaline rim (
<figureCitation id="DBCB2EC28356FFCAFCB9F8A0202233D5" box="[799,884,1896,1922]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Fig. 11</figureCitation>
, arrow). Virgae very slightly elevated (
<figureCitation id="DBCB2EC28356FFCAFAE2F8A026DB33D5" box="[1348,1421,1896,1922]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Fig. 9</figureCitation>
). Areola hymen very slightly (or not) depressed, with short regular radial slits (
<figureCitation id="DBCB2EC28356FFCAFB95F84727DA33FE" box="[1075,1164,1935,1961]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Fig. 13</figureCitation>
). Areolae very distinct near raphe (
<figureCitation id="DBCB2EC28356FFCAFE83F87D22383398" box="[293,366,1973,1999]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Fig. 9</figureCitation>
, arrows) and central area (
<figureCitation id="DBCB2EC28356FFCAFD0AF87D21A33398" box="[684,757,1973,1999]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Fig. 8</figureCitation>
), but more indistinct on remainder of valve surface (
<figureCitation id="DBCB2EC28356FFCAFACAF87D23EE33A1" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="4" pageNumber="47">Fig. 12</figureCitation>
, arrows). Central area round and small (
<figureCitation id="DBCB2EC28356FFCAFD0FF81421A233A1" box="[681,756,2012,2038]" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="4" pageNumber="47">Fig. 7</figureCitation>
), axial area narrow and straight. External central raphe endings well apart, hooked in opposite directions (
<figureCitation id="DBCB2EC28357FFCBFD51FF50201334E5" box="[759,837,152,178]" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="5" pageNumber="48">Figs 6</figureCitation>
, 
<figureCitation id="DBCB2EC28357FFCBFCF5FF50203534E5" box="[851,867,152,178]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="5" pageNumber="48">8</figureCitation>
), terminal raphe endings simple, expanded and well apart from apex. Girdle (average 
<quantity id="84089FA28357FFCBFDF5FF7621F8348F" box="[595,686,190,216]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="48" unit="mm" value="500.0">500 µm</quantity>
high) composed of several narrow copulae, probably open (
<figureCitation id="DBCB2EC28357FFCBFACEFF7623B434A8" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="5" pageNumber="48">Figs 14, 15</figureCitation>
, arrows), apparently without perforations (
<figureCitation id="DBCB2EC28357FFCBFD7EFF2D200934A8" box="[728,863,229,255]" captionStart="FIGURES 8–15" captionStartId="5.[151,258,1619,1640]" captionTargetBox="[167,1415,297,1597]" captionTargetId="figure-262@5.[151,1436,277,1620]" captionTargetPageId="5" captionText="FIGURES 8–15: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows). Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13)." figureDoi="http://doi.org/10.5281/zenodo.5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="5" pageNumber="48">Figs 14, 15</figureCitation>
).
</paragraph>
<caption id="178F62CF8357FFCBFF31F99B2085334E" ID-DOI="http://doi.org/10.5281/zenodo.5061063" ID-Zenodo-Dep="5061063" httpUri="https://zenodo.org/record/5061063/files/figure.png" pageId="5" pageNumber="48" startId="5.[151,258,1619,1640]" targetBox="[167,1415,297,1597]" targetPageId="5">
<paragraph id="434F32478357FFCBFF31F99B218132AC" blockId="5.[151,1436,1619,1817]" pageId="5" pageNumber="48">
<emphasis id="7184EE558357FFCBFF31F99B2261323F" bold="true" box="[151,311,1619,1640]" pageId="5" pageNumber="48">FIGURES 8–15</emphasis>
: 
<taxonomicName id="84F049C48357FFCBFEE2F99C213C323E" authority="Riaux-Gobin &amp; Witkowski, 2012" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[324,618,1620,1641]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="48" phylum="Ochrophyta" rank="species" species="juandenovensis" status="sp. nov.">
<emphasis id="7184EE558357FFCBFEE2F99C213C323E" box="[324,618,1620,1641]" italics="true" pageId="5" pageNumber="48">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6AB7532E8357FFCBFDD6F99C21ED323E" box="[624,699,1620,1641]" pageId="5" pageNumber="48" rank="species">sp. nov.</taxonomicNameLabel>
(SEM) from &quot;JDN2 
<taxonomicName id="84F049C48357FFCBFC23F99C2748323E" authorityName="Jaeger" authorityYear="1833" box="[901,1054,1620,1641]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="5" pageNumber="48" phylum="Echinodermata" rank="species" species="atra">
<emphasis id="7184EE558357FFCBFC23F99C2748323E" box="[901,1054,1620,1641]" italics="true" pageId="5" pageNumber="48">Holothuria atra</emphasis>
</taxonomicName>
&quot;. Fig. 8: External view of central raphe endings, curved in opposite side. Fig. 9: Note elevated virgae and well identifiable areola at each end of stria. Fig. 10: External view of one apex and terminal raphe ending. Fig. 11: marginal row composed of one areola toped by a horse-shoe shaped marginal areola. This marginal group of areolae is well separated from the rest of the stria by a hyaline rim (arrow). Fig. 12: Note short slits randomly scattered on stria with no well identifiable areolae. Fig. 13: Detail of horse-shoe shaped marginal areolae (arrow). Figs 14, 15: cingulum composed of several narrow open bands (arrows).
</paragraph>
<paragraph id="434F32478357FFCBFF31F8CC2085334E" blockId="5.[151,1436,1619,1817]" box="[151,979,1796,1817]" pageId="5" pageNumber="48">Scale bars = 0.6 µm (Fig. 15); 0.5 µm (Figs 8–12); 0.4 µm (Fig. 14); 0.3 µm (Fig. 13).</paragraph>
</caption>
<paragraph id="434F32478357FFCBFF60F88026CA3381" blockId="5.[151,1436,1864,2006]" pageId="5" pageNumber="48">
<emphasis id="7184EE558357FFCBFF60F88022383336" box="[198,366,1864,1889]" italics="true" pageId="5" pageNumber="48">Internal view:</emphasis>
raphe slightly elevated, helictoglossae very slightly salient (
<figureCitation id="DBCB2EC28357FFCBFB98F88027C03335" box="[1086,1174,1864,1890]" captionStart="FIGURES 16–20" captionStartId="6.[151,259,1886,1907]" captionTargetBox="[191,1396,256,1864]" captionTargetId="figure-124@6.[160,1425,237,1886]" captionTargetPageId="6" captionText="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="5" pageNumber="48">Fig. 16</figureCitation>
, arrows; 
<figureCitation id="DBCB2EC28357FFCBFAA0F88026D83335" box="[1286,1422,1864,1890]" captionStart="FIGURES 16–20" captionStartId="6.[151,259,1886,1907]" captionTargetBox="[191,1396,256,1864]" captionTargetId="figure-124@6.[160,1425,237,1886]" captionTargetPageId="6" captionText="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="5" pageNumber="48">Figs 17–19</figureCitation>
), marginal row of horse-shoe shape areolae depressed, elevated virgae (
<figureCitation id="DBCB2EC28357FFCBFBA0F8A6273533DF" box="[1030,1123,1902,1928]" captionStart="FIGURES 16–20" captionStartId="6.[151,259,1886,1907]" captionTargetBox="[191,1396,256,1864]" captionTargetId="figure-124@6.[160,1425,237,1886]" captionTargetPageId="6" captionText="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="5" pageNumber="48">Fig. 17</figureCitation>
). A slightly elevated rim separates horse-shoe shape areolae from remainder of valve (
<figureCitation id="DBCB2EC28357FFCBFCDEF85D208733F8" box="[888,977,1941,1967]" captionStart="FIGURES 16–20" captionStartId="6.[151,259,1886,1907]" captionTargetBox="[191,1396,256,1864]" captionTargetId="figure-124@6.[160,1425,237,1886]" captionTargetPageId="6" captionText="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="5" pageNumber="48">Fig. 17</figureCitation>
, long arrow). Valvocopula margin not fully observed, but appears undulated (
<figureCitation id="DBCB2EC28357FFCBFDC7F87421EE3381" box="[609,696,1980,2006]" captionStart="FIGURES 16–20" captionStartId="6.[151,259,1886,1907]" captionTargetBox="[191,1396,256,1864]" captionTargetId="figure-124@6.[160,1425,237,1886]" captionTargetPageId="6" captionText="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="5" pageNumber="48">Fig. 20</figureCitation>
, arrows) or ornamented with short fimbriae (
<figureCitation id="DBCB2EC28357FFCBFB6FF87426473381" box="[1225,1297,1980,2006]" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="5" pageNumber="48">Fig. 5</figureCitation>
, arrows). A
</paragraph>
<paragraph id="434F32478354FFC8FF31FF502297348F" blockId="6.[151,1436,152,216]" pageId="6" pageNumber="49">
reticulate structure, geometric and regular, covers several valves (
<figureCitation id="DBCB2EC28354FFC8FC30FF50274A34E5" box="[918,1052,152,178]" captionStart="FIGURES 16–20" captionStartId="6.[151,259,1886,1907]" captionTargetBox="[191,1396,256,1864]" captionTargetId="figure-124@6.[160,1425,237,1886]" captionTargetPageId="6" captionText="FIGURES 16–20: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows). Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20)." figureDoi="http://doi.org/10.5281/zenodo.5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="6" pageNumber="49">Figs 18, 19</figureCitation>
, short arrows: artefact due to the cytoplasm dehydration?).
</paragraph>
<caption id="178F62CF8354FFC8FF31F896207433B3" ID-DOI="http://doi.org/10.5281/zenodo.5061065" ID-Zenodo-Dep="5061065" httpUri="https://zenodo.org/record/5061065/files/figure.png" pageId="6" pageNumber="49" startId="6.[151,259,1886,1907]" targetBox="[191,1396,256,1864]" targetPageId="6">
<paragraph id="434F32478354FFC8FF31F8962056339F" blockId="6.[151,1437,1886,2020]" pageId="6" pageNumber="49">
<emphasis id="7184EE558354FFC8FF31F89622103324" bold="true" box="[151,326,1886,1907]" pageId="6" pageNumber="49">FIGURES 16–20</emphasis>
: 
<taxonomicName id="84F049C48354FFC8FEF2F89721283323" authority="Riaux-Gobin &amp; Witkowski, 2012" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[340,638,1887,1908]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="49" phylum="Ochrophyta" rank="species" species="juandenovensis" status="sp. nov.">
<emphasis id="7184EE558354FFC8FEF2F89721283323" box="[340,638,1887,1908]" italics="true" pageId="6" pageNumber="49">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6AB7532E8354FFC8FD23F89721843323" box="[645,722,1887,1908]" pageId="6" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
(SEM) from &quot;JDN2 
<taxonomicName id="84F049C48354FFC8FC39F897276C3323" authorityName="Jaeger" authorityYear="1833" box="[927,1082,1887,1908]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="6" pageNumber="49" phylum="Echinodermata" rank="species" species="atra">
<emphasis id="7184EE558354FFC8FC39F897276C3323" box="[927,1082,1887,1908]" italics="true" pageId="6" pageNumber="49">Holothuria atra</emphasis>
</taxonomicName>
&quot;. Internal views. Fig. 16: Complete valve with helictoglossae (arrows). Fig. 17: Tilted apex of the valve illustrated in Fig. 16. Note virgae (short arrows), marginal rim (long arrow), and marginal row of areolae. Figs 18, 19: Note reticulate structure (short arrows) and marginal rim (long arrow). Fig. 20: Detail of edge of valvocopula, slightly undulated (short arrows).
</paragraph>
<paragraph id="434F32478354FFC8FF31F807207433B3" blockId="6.[151,1437,1886,2020]" box="[151,802,1999,2020]" pageId="6" pageNumber="49">Scale bars = 2 µm (Fig. 16); 0.7 µm (Fig. 17); 0.4 µm (Figs 18–20).</paragraph>
</caption>
<paragraph id="434F32478355FFC9FF60FF50275134A8" blockId="7.[151,1436,152,487]" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF60FF50220634E6" box="[198,336,152,177]" italics="true" pageId="7" pageNumber="50">Dimensions</emphasis>
: 6.4–9.4 (8.2 + 0.6) µm long; 4.6–7.7 (6.3 + 0.5) µm wide; length/width: 1.3 + 0.08; stria density: 35–53 (42.4 + 5.7) striae in 
<quantity id="84089FA28355FFC9FDEBFF7621CD348F" box="[589,667,190,216]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="50" unit="mm" value="10.0">10 µm</quantity>
on median part of valve; 32.6–48.8 (36.9 + 4.0) striae in 
<quantity id="84089FA28355FFC9FAE8FF7626CA348F" box="[1358,1436,190,216]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="50" unit="mm" value="10.0">10 µm</quantity>
near valve margin; 41 areolae in 
<quantity id="84089FA28355FFC9FDBEFF2D213234A8" box="[536,612,229,255]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="50" unit="mm" value="10.0">10 µm</quantity>
(SEM observed specimens n = 39).
</paragraph>
</subSubSection>
<subSubSection id="0BEA61CC8355FFC9FF60FEC327383597" pageId="7" pageNumber="50" type="materials_examined">
<paragraph id="434F32478355FFC9FF60FEC326423524" blockId="7.[151,1436,152,487]" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF60FEC322553572" bold="true" box="[198,259,267,293]" pageId="7" pageNumber="50">Type</emphasis>
:— 
<materialsCitation id="F398381A8355FFC9FE83FEC421473524" 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="7" pageNumber="50" specimenCode="ZU8" specimenCount="1" typeStatus="holotype">
SCATTERED ISLANDS. 
<location id="462F649C8355FFC9FDCEFEC420453571" LSID="urn:lsid:plazi:treatment:CB5983518351FFC6FF31F9BC201835B0:462F649C8355FFC9FDCEFEC420453571" box="[616,787,268,294]" latitude="-17.046618" longLatPrecision="1" longitude="42.730183" municipality="Juan de Nova" name="Juan de Nova" pageId="7" pageNumber="50">
Juan 
<collectorName id="EE0557918355FFC9FD0FFEC420453571" box="[681,787,268,294]" pageId="7" pageNumber="50">de Nova</collectorName>
</location>
: 
<collectingMunicipality id="A32BA83D8355FFC9FC84FEC420913571" box="[802,967,268,294]" pageId="7" pageNumber="50">
Juan 
<collectorName id="EE0557918355FFC9FCC4FEC420913571" box="[866,967,268,294]" pageId="7" pageNumber="50">de Nova</collectorName>
</collectingMunicipality>
lagoon, 
<taxonomicName id="84F049C48355FFC9FB92FEC427A53572" authorityName="Jaeger" authorityYear="1833" box="[1076,1267,268,293]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="7" pageNumber="50" phylum="Echinodermata" rank="species" species="atra">
<emphasis id="7184EE558355FFC9FB92FEC427A53572" box="[1076,1267,268,293]" italics="true" pageId="7" pageNumber="50">Holothuria atra</emphasis>
</taxonomicName>
scraping, 
<geoCoordinate id="26C454808355FFC9FAD5FEC4225D351B" degrees="17" direction="south" minutes="02.797" orientation="latitude" pageId="7" pageNumber="50" precision="1" value="-17.046618">17° 02.797' S</geoCoordinate>
, 
<geoCoordinate id="26C454808355FFC9FEBCFEFA2295351B" box="[282,451,306,332]" degrees="42" direction="east" minutes="43.811" orientation="longitude" pageId="7" pageNumber="50" precision="1" value="42.730183">42° 43.811' E</geoCoordinate>
, (
<typeStatus id="9C4B8CE58355FFC9FE7EFEFA2112351B" box="[472,580,306,332]" pageId="7" pageNumber="50" type="holotype">holotype</typeStatus>
<figureCitation id="DBCB2EC28355FFC9FDEBFEFA21C1351B" box="[589,663,306,332]" captionStart="FIGURES 2–7" captionStartId="4.[151,258,1661,1682]" captionTargetBox="[247,1329,151,1646]" captionTargetId="figure-200@4.[229,1358,125,1673]" captionTargetPageId="4" captionText="FIGURES 2–7: Cocconeiopsis juandenovensis sp. nov. (SEM) from &quot;JDN2 Holothuria atra&quot;. Figs 2–5: Fig. 5: illustration of holotype specimen). External views of valve. Figs 6, 7: details of central area. Note areolae well identifiable at the end of each stria (long arrows in Fig. 7) and difficult to observe, or absent, on stria (Fig. 7, short arrows). Scale bars = 3 µm (Figs 2, 4–5); 2 µm (Fig. 3); 1 µm (Fig. 7); 0.4 µm (Fig. 6)." figureDoi="http://doi.org/10.5281/zenodo.5061059" httpUri="https://zenodo.org/record/5061059/files/figure.png" pageId="7" pageNumber="50">Fig. 5</figureCitation>
, original picture “SEM 240212-12” (in collection of C. 
<collectionCode id="25E1AA828355FFC9FAEFFEFA2637351B" box="[1353,1377,306,332]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="7" pageNumber="50">R</collectionCode>
.-G.); isotypes 
<collectionCode id="25E1AA828355FFC9FF58FE91227A3524" box="[254,300,345,371]" country="United Kingdom" name="Bristol Museum" pageId="7" pageNumber="50">BM</collectionCode>
101632 
<collectionCode id="25E1AA828355FFC9FE34FE9122853524" box="[402,467,345,371]" 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="7" pageNumber="50" type="Herbarium">BRM</collectionCode>
<specimenCode id="13569A3C8355FFC9FE7DFE9121473524" box="[475,529,345,371]" 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="7" pageNumber="50" type="Herbarium">ZU8</specimenCode>
</materialsCitation>
/ 
<materialsCitation id="F398381A8355FFC9FDBDFE9126463524" box="[539,1296,345,371]" collectionCode="R" collectorName="Andrzej Witkowski" pageId="7" pageNumber="50" specimenCount="1" typeStatus="holotype">
34, AW18110 (collection 
<collectorName id="EE0557918355FFC9FCE1FE9120D13524" box="[839,903,345,371]" name="Andrzej Witkowski" pageId="7" pageNumber="50">A.W.</collectorName>
), and JDN1 (collection C. 
<collectionCode id="25E1AA828355FFC9FB66FE9127803524" box="[1216,1238,345,371]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="7" pageNumber="50">R</collectionCode>
.–G.)
</materialsCitation>
.
</paragraph>
<paragraph id="434F32478355FFC9FF60FEB727383597" blockId="7.[151,1436,152,487]" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF60FEB7215B35CE" bold="true" box="[198,525,383,409]" pageId="7" pageNumber="50">Habitat and distribution</emphasis>
:—Marine, shallow lagoon of Juan de Nova Island, relatively rare on 
<taxonomicName id="84F049C48355FFC9FF31FE6F22073597" authorityName="Jaeger" authorityYear="1833" box="[151,337,423,448]" class="Holothuroidea" family="Holothuriidae" genus="Holothuria" kingdom="Animalia" order="Aspidochirotida" pageId="7" pageNumber="50" phylum="Echinodermata" rank="species" species="atra">
<emphasis id="7184EE558355FFC9FF31FE6F22073597" box="[151,337,423,448]" italics="true" pageId="7" pageNumber="50">Holothuria atra</emphasis>
</taxonomicName>
teguments, not found on nearby sediment or macroalgae of the site.
</paragraph>
</subSubSection>
<subSubSection id="0BEA61CC8355FFC6FF60FE05201835B0" lastPageId="8" lastPageNumber="51" pageId="7" pageNumber="50" type="etymology">
<paragraph id="434F32478355FFC9FF60FE05260135B0" blockId="7.[151,1436,152,487]" box="[198,1367,461,487]" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF60FE05221B35B0" bold="true" box="[198,333,461,487]" pageId="7" pageNumber="50">Etymology</emphasis>
:—The specific epithet refers to Juan de Nova Island, where the species was discovered.
</paragraph>
<caption id="178F62CF8355FFC9FF31FDD222093601" pageId="7" pageNumber="50" startId="7.[151,235,538,559]">
<paragraph id="434F32478355FFC9FF31FDD222093601" blockId="7.[151,1436,538,598]" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF31FDD222563678" bold="true" box="[151,256,538,559]" pageId="7" pageNumber="50">TABLE 1</emphasis>
: Comparison of characters for 
<taxonomicName id="84F049C48355FFC9FDF0FDD220C83678" authority="Riaux-Gobin &amp; Witkowski, 2012" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[598,926,538,559]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="juandenovensis" status="sp. nov.">
<emphasis id="7184EE558355FFC9FDF0FDD220C83678" box="[598,926,538,559]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6AB7532E8355FFC9FC01FDD220AD3678" box="[935,1019,538,559]" pageId="7" pageNumber="50" rank="species">sp. nov.</taxonomicNameLabel>
, 
<taxonomicName id="84F049C48355FFC9FBADFDD226473678" authority="Riaux-Gobin &amp; Witkowski, 2012" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[1035,1297,538,559]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="discoides" status="sp. nov.">
<emphasis id="7184EE558355FFC9FBADFDD226473678" box="[1035,1297,538,559]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis discoides</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6AB7532E8355FFC9FABDFDD226393678" box="[1307,1391,538,559]" pageId="7" pageNumber="50" rank="species">sp. nov.</taxonomicNameLabel>
and (?) 
<taxonomicName id="84F049C48355FFC9FF17FDF722093601" box="[177,351,572,598]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="undetermined">
<emphasis id="7184EE558355FFC9FF17FDF7226B3603" box="[177,317,575,596]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis</emphasis>
sp.
</taxonomicName>
</paragraph>
</caption>
<paragraph id="434F32478355FFC9FF03FDBE27EE3200" pageId="7" pageNumber="50">
<table id="31F0C0E783550031FF03FDBE262D3200" box="[165,1403,630,1623]" gridcols="4" gridrows="12" pageId="7" pageNumber="50">
<tr id="FDC0300583550031FF03FDBE262D36DC" box="[165,1403,630,651]" gridrow="0" pageId="7" pageNumber="50" rowspan-1="1" rowspan-3="1">
<th id="BE11597983550031FF03FDBE221736DC" box="[165,321,630,651]" gridcol="0" gridrow="0" pageId="7" pageNumber="50">Character</th>
<th id="BE11597983550031FD6BFDBE20A836DC" box="[717,1022,630,651]" gridcol="2" gridrow="0" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FCE7FDBE209636DC" bold="true" box="[833,960,630,651]" pageId="7" pageNumber="50">Taxon name</emphasis>
</th>
</tr>
<tr id="FDC0300583550031FF03FD56262D36E4" box="[165,1403,670,691]" gridrow="1" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FD5621CC36E4" box="[165,666,670,691]" colspan="2" colspanRight="1" gridcol="0" gridrow="1" pageId="7" pageNumber="50">
<taxonomicName id="84F049C48355FFC9FEF3FD56212D36E4" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[341,635,670,691]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE558355FFC9FEF3FD56212D36E4" box="[341,635,670,691]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
</th>
<td id="BE11597983550031FD6BFD5620A836E4" box="[717,1022,670,691]" gridcol="2" gridrow="1" pageId="7" pageNumber="50">
<taxonomicName id="84F049C48355FFC9FD6BFD5620EE36E4" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[717,952,670,691]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="discoides">
<emphasis id="7184EE558355FFC9FD6BFD5620EE36E4" box="[717,952,670,691]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis discoides</emphasis>
</taxonomicName>
</td>
<td id="BE11597983550031FB93FD56262D36E4" box="[1077,1403,670,691]" gridcol="3" gridrow="1" pageId="7" pageNumber="50">
(?) 
<taxonomicName id="84F049C48355FFC9FBF6FD5627A836E4" box="[1104,1278,670,691]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="undetermined">
<emphasis id="7184EE558355FFC9FBF6FD56278A36E4" box="[1104,1244,670,691]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis</emphasis>
sp.
</taxonomicName>
</td>
</tr>
<tr id="FDC0300583550031FF03FD19262D36B1" box="[165,1403,721,742]" gridrow="2" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FD19221736B1" box="[165,321,721,742]" gridcol="0" gridrow="2" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF03FD19224C36B1" box="[165,282,721,742]" italics="true" pageId="7" pageNumber="50">Valve shape</emphasis>
</th>
<td id="BE11597983550031FEC5FD1921CC36B1" box="[355,666,721,742]" gridcol="1" gridrow="2" pageId="7" pageNumber="50">oblong-elliptical to disk-shaped</td>
<td id="BE11597983550031FD6BFD1920A836B1" box="[717,1022,721,742]" gridcol="2" gridrow="2" pageId="7" pageNumber="50">disk-shaped</td>
<td id="BE11597983550031FB93FD19262D36B1" box="[1077,1403,721,742]" gridcol="3" gridrow="2" pageId="7" pageNumber="50">strictly disk-shaped</td>
</tr>
<tr id="FDC0300583550031FF03FCDD262D373D" box="[165,1403,789,874]" gridrow="3" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FCDD2217373D" box="[165,321,789,874]" gridcol="0" gridrow="3" pageId="7" pageNumber="50">Length µm Width µm L/W ratio</th>
<td id="BE11597983550031FEC5FCDD21CC373D" box="[355,666,789,874]" gridcol="1" gridrow="3" pageId="7" pageNumber="50">6.4–9.4 (8.2 + 0.6) 4.6–7.7 (6.3 + 0.5) 1.3 + 0.08</td>
<td id="BE11597983550031FD6BFCDD20A8373D" box="[717,1022,789,874]" gridcol="2" gridrow="3" pageId="7" pageNumber="50">7.5–9.7 (8.8 + 0.7) 6.6–9.5 (8.1 + 0.7) 1.1 + 0.04</td>
<td id="BE11597983550031FB93FCDD262D373D" box="[1077,1403,789,874]" gridcol="3" gridrow="3" pageId="7" pageNumber="50">10.4–14.2 (12.7 + 1.4) 9.2–13.8 (11.9 + 1.9) 1.1 + 0.08</td>
</tr>
<tr id="FDC0300583550031FF03FCB7262D37E3" box="[165,1403,895,948]" gridrow="4" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FCB7221737E3" box="[165,321,895,948]" gridcol="0" gridrow="4" pageId="7" pageNumber="50">Central raphe endings</th>
<td id="BE11597983550031FEC5FCB721CC37E3" box="[355,666,895,948]" gridcol="1" gridrow="4" pageId="7" pageNumber="50">hooked in opposite direction</td>
<td id="BE11597983550031FD6BFCB720A837E3" box="[717,1022,895,948]" gridcol="2" gridrow="4" pageId="7" pageNumber="50">hooked in opposite direction</td>
<td id="BE11597983550031FB93FCB7262D37E3" box="[1077,1403,895,948]" gridcol="3" gridrow="4" pageId="7" pageNumber="50">opposite to very slightly hooked in opposite direction</td>
</tr>
<tr id="FDC0300583550031FF03FC02262D37A9" box="[165,1403,970,1022]" gridrow="5" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FC02221737A9" box="[165,321,970,1022]" gridcol="0" gridrow="5" pageId="7" pageNumber="50">Terminal raphe endings</th>
<td id="BE11597983550031FEC5FC0221CC37A9" box="[355,666,970,1022]" gridcol="1" gridrow="5" pageId="7" pageNumber="50">simple, apart the margin</td>
<td id="BE11597983550031FD6BFC0220A837A9" box="[717,1022,970,1022]" gridcol="2" gridrow="5" pageId="7" pageNumber="50">simple, apart the margin</td>
<td id="BE11597983550031FB93FC02262D37A9" box="[1077,1403,970,1022]" gridcol="3" gridrow="5" pageId="7" pageNumber="50">simple, very far from the margin</td>
</tr>
<tr id="FDC0300583550031FF03FBDC262D307E" box="[165,1403,1044,1065]" gridrow="6" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FBDC2217307E" box="[165,321,1044,1065]" gridcol="0" gridrow="6" pageId="7" pageNumber="50">Central area</th>
<td id="BE11597983550031FEC5FBDC21CC307E" box="[355,666,1044,1065]" gridcol="1" gridrow="6" pageId="7" pageNumber="50">small</td>
<td id="BE11597983550031FD6BFBDC20A8307E" box="[717,1022,1044,1065]" gridcol="2" gridrow="6" pageId="7" pageNumber="50">restricted</td>
<td id="BE11597983550031FB93FBDC262D307E" box="[1077,1403,1044,1065]" gridcol="3" gridrow="6" pageId="7" pageNumber="50">restricted</td>
</tr>
<tr id="FDC0300583550031FF03FB87262D30F3" box="[165,1403,1103,1188]" gridrow="7" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FB87221730F3" box="[165,321,1103,1188]" gridcol="0" gridrow="7" pageId="7" pageNumber="50">Stria density (in 10 µm)</th>
<td id="BE11597983550031FEC5FB8721CC30F3" box="[355,666,1103,1188]" gridcol="1" gridrow="7" pageId="7" pageNumber="50">strongly radiate 35–52.9 (42.4 + 5.7) mid-valve 32.6–48.8 (36.9 + 4) margin</td>
<td id="BE11597983550031FD6BFB8720A830F3" box="[717,1022,1103,1188]" gridcol="2" gridrow="7" pageId="7" pageNumber="50">radiate 45–52.9 (43 + 8.3) mid-valve 32.5–44.7 (40.6 + 3.3) margin</td>
<td id="BE11597983550031FB93FB87262D30F3" box="[1077,1403,1103,1188]" gridcol="3" gridrow="7" pageId="7" pageNumber="50">32.5–40.7 (36.4+ 4.5) mid-valve 32.5–36.6 (33.9 + 1.8) margin</td>
</tr>
<tr id="FDC0300583550031FF03FB72262D30B8" box="[165,1403,1210,1263]" gridrow="8" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FB72221730B8" box="[165,321,1210,1263]" gridcol="0" gridrow="8" pageId="7" pageNumber="50">Areola shape and occlusion</th>
<td id="BE11597983550031FEC5FB7221CC30B8" box="[355,666,1210,1263]" gridcol="1" gridrow="8" pageId="7" pageNumber="50">small, round, closed by hymen with radial slits</td>
<td id="BE11597983550031FD6BFB7220A830B8" box="[717,1022,1210,1263]" gridcol="2" gridrow="8" pageId="7" pageNumber="50">small, round to oblong, closed by hymen with radial slits</td>
<td id="BE11597983550031FB93FB72262D30B8" box="[1077,1403,1210,1263]" gridcol="3" gridrow="8" pageId="7" pageNumber="50">not easily detectable, possible macroareolae with plain hymen</td>
</tr>
<tr id="FDC0300583550031FF03FAC7262D31D4" box="[165,1403,1295,1411]" gridrow="9" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FAC7221731D4" box="[165,321,1295,1411]" gridcol="0" gridrow="9" pageId="7" pageNumber="50">Marginal row of areolae</th>
<td id="BE11597983550031FEC5FAC721CC31D4" box="[355,666,1295,1411]" gridcol="1" gridrow="9" pageId="7" pageNumber="50">horse-shoe shaped, last areola and horse-shoe shaped areola separated from the stria by a marginal hyaline rim</td>
<td id="BE11597983550031FD6BFAC720A831D4" box="[717,1022,1295,1411]" gridcol="2" gridrow="9" pageId="7" pageNumber="50">horse-shoe shaped no marginal rim</td>
<td id="BE11597983550031FB93FAC7262D31D4" box="[1077,1403,1295,1411]" gridcol="3" gridrow="9" pageId="7" pageNumber="50">striae biseriate near the margin</td>
</tr>
<tr id="FDC0300583550031FF03FA50262D31BA" box="[165,1403,1432,1517]" gridrow="10" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03FA50221731BA" box="[165,321,1432,1517]" gridcol="0" gridrow="10" pageId="7" pageNumber="50">Ornamentation</th>
<td id="BE11597983550031FEC5FA5021CC31BA" box="[355,666,1432,1517]" gridcol="1" gridrow="10" pageId="7" pageNumber="50">slightly elevated virgae</td>
<td id="BE11597983550031FD6BFA5020A831BA" box="[717,1022,1432,1517]" gridcol="2" gridrow="10" pageId="7" pageNumber="50">elevated virgae</td>
<td id="BE11597983550031FB93FA50262D31BA" box="[1077,1403,1432,1517]" gridcol="3" gridrow="10" pageId="7" pageNumber="50">reticulate marginal and thick ornamentation, thickenings along the raphe</td>
</tr>
<tr id="FDC0300583550031FF03F9CB262D3200" box="[165,1403,1539,1623]" gridrow="11" pageId="7" pageNumber="50">
<th id="BE11597983550031FF03F9CB22173200" box="[165,321,1539,1623]" gridcol="0" gridrow="11" pageId="7" pageNumber="50">Cingulum</th>
<td id="BE11597983550031FEC5F9CB21CC3200" box="[355,666,1539,1623]" gridcol="1" gridrow="11" pageId="7" pageNumber="50">composed of several open bands, apparently not perforated</td>
<td id="BE11597983550031FD6BF9CB20A83200" box="[717,1022,1539,1623]" gridcol="2" gridrow="11" pageId="7" pageNumber="50">composed of several narrow bands, apparently not perforated</td>
<td id="BE11597983550031FB93F9CB262D3200" box="[1077,1403,1539,1623]" gridcol="3" gridrow="11" pageId="7" pageNumber="50">composed of several narrow, open bands, with tiny perforations</td>
</tr>
</table>
</paragraph>
<paragraph id="434F32478355FFC9FF60F968217133B8" blockId="7.[151,1436,1696,2031]" pageId="7" pageNumber="50">
<emphasis id="7184EE558355FFC9FF60F968223A32ED" bold="true" box="[198,364,1696,1722]" pageId="7" pageNumber="50">Observations</emphasis>
:—Several characteristics of 
<taxonomicName id="84F049C48355FFC9FD73F968271232EE" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[725,1092,1696,1721]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE558355FFC9FD73F968271232EE" box="[725,1092,1696,1721]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
match those for the genus 
<taxonomicName id="84F049C48355FFC9FF31F90F221D32B7" box="[151,331,1735,1760]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="genus">
<emphasis id="7184EE558355FFC9FF31F90F221D32B7" box="[151,331,1735,1760]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis</emphasis>
</taxonomicName>
: symmetry of the valve, raphe straight with endings simple and bulbous, terminal raphe endings well apart from the margin, numerous cingular bands, shallow mantle, valve elliptic to disk—shape, except it was not possible to observe the perforations on the girdle bands. There are some similar features that are shared with the genus 
<taxonomicName id="84F049C48355FFC9FE6AF8F3207D3303" authority="(Round et al. 1990)" baseAuthorityName="Round" baseAuthorityYear="1990" box="[460,811,1850,1876]" class="Bacillariophyceae" family="Cavinulaceae" genus="Cavinula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="genus">
<emphasis id="7184EE558355FFC9FE6AF8F3216E3303" box="[460,568,1851,1876]" italics="true" pageId="7" pageNumber="50">Cavinula</emphasis>
(
<bibRefCitation id="27614FB68355FFC9FDE1F8F220773303" author="Round, F. E. &amp; Crawford, R. M. &amp; Mann, D. G." box="[583,801,1850,1876]" pageId="7" pageNumber="50" refId="ref8514" refString="Round, F. E., Crawford, R. M. &amp; Mann, D. G. (1990) The Diatoms, Biology and Morphology of the Genera. Cambridge University Press, Cambridge, 747 pp." type="book" year="1990">
Round 
<emphasis id="7184EE558355FFC9FD06F8F321823303" box="[672,724,1851,1876]" italics="true" pageId="7" pageNumber="50">et al</emphasis>
. 1990
</bibRefCitation>
)
</taxonomicName>
, i.e. 
<taxonomicName id="84F049C48355FFC9FCC5F8F32241332C" authority="Riaux-Gobin &amp; Compere (2004: 61)" authorityName="Riaux-Gobin &amp; Compere" authorityPageNumber="61" authorityYear="2004" class="Bacillariophyceae" family="Cavinulaceae" genus="Cavinula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="kerguelensis">
<emphasis id="7184EE558355FFC9FCC5F8F3273E3303" box="[867,1128,1851,1876]" italics="true" pageId="7" pageNumber="50">Cavinula kerguelensis</emphasis>
<bibRefCitation id="27614FB68355FFC9FBD6F8F22241332C" author="Riaux-Gobin, C. &amp; Compere, P." pageId="7" pageNumber="50" pagination="59 - 69" refId="ref8272" refString="Riaux-Gobin, C. &amp; Compere, P. (2004) Two marine cocconeid diatoms from Kerguelen's Land (Austral ocean, Indian sector): Cavinula kerguelensis nom. nov. and Cocconeiopsis wrightii. Diatom Research 19: 59 - 69." type="journal article" year="2004">Riaux-Gobin &amp; Compère (2004: 61)</bibRefCitation>
</taxonomicName>
, from 
<collectingRegion id="8134FCA58355FFC9FEC0F8A9216B332C" box="[358,573,1889,1915]" country="French Southern Territories" name="Iles Kerguelen" pageId="7" pageNumber="50">Kerguelen Islands</collectingRegion>
(Indian Ocean), can be compared to 
<taxonomicName id="84F049C48355FFC9FC5DF8A92631332D" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[1019,1383,1889,1914]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE558355FFC9FC5DF8A92631332D" box="[1019,1383,1889,1914]" italics="true" pageId="7" pageNumber="50">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
: the valves of 
<taxonomicName id="84F049C48355FFC9FEA8F840229F33F6" authorityName="Riaux-Gobin &amp; Compere" authorityYear="2004" box="[270,457,1928,1954]" class="Bacillariophyceae" family="Cavinulaceae" genus="Cavinula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="50" phylum="Ochrophyta" rank="species" species="kerguelensis">
<emphasis id="7184EE558355FFC9FEA8F840227733F6" box="[270,289,1928,1953]" italics="true" pageId="7" pageNumber="50">C</emphasis>
. 
<emphasis id="7184EE558355FFC9FE95F840229F33F6" box="[307,457,1928,1953]" italics="true" pageId="7" pageNumber="50">kerguelensis</emphasis>
</taxonomicName>
are larger, stria density is lower (average 
<quantity id="84089FA28355FFC9FC6BF840275D33F5" box="[973,1035,1928,1954]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" pageId="7" pageNumber="50" unit="in" value="25.0">25 in</quantity>
<quantity id="84089FA28355FFC9FBB2F840273033F5" box="[1044,1126,1928,1954]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="50" unit="mm" value="10.0">10 µm</quantity>
), a row of perforations is easily identified on one girdle band, the raphe is irregular and the areola structure is completely different (
<bibRefCitation id="27614FB68355FFC9FF38F81D217233B8" author="Riaux-Gobin, C. &amp; Compere, P." box="[158,548,2005,2031]" pageId="7" pageNumber="50" pagination="59 - 69" refId="ref8272" refString="Riaux-Gobin, C. &amp; Compere, P. (2004) Two marine cocconeid diatoms from Kerguelen's Land (Austral ocean, Indian sector): Cavinula kerguelensis nom. nov. and Cocconeiopsis wrightii. Diatom Research 19: 59 - 69." type="journal article" year="2004">Riaux-Gobin &amp; Compère (2004)</bibRefCitation>
.
</paragraph>
<paragraph id="434F3247835AFFC6FF60FF50201835B0" blockId="8.[151,1436,152,487]" pageId="8" pageNumber="51">
The valves of 
<taxonomicName id="84F049C4835AFFC6FECBFF50218334E6" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[365,725,152,177]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE55835AFFC6FECBFF50218334E6" box="[365,725,152,177]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
bear some similarity to the raphe valve (RV) of 
<taxonomicName id="84F049C4835AFFC6FAAAFF502292348F" authority="Foged (1975: 12)" authorityName="Foged" authorityPageNumber="12" authorityYear="1975" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="minima">
<emphasis id="7184EE55835AFFC6FAAAFF5023B9348F" italics="true" pageId="8" pageNumber="51">Anorthoneis minima</emphasis>
<bibRefCitation id="27614FB6835AFFC6FF50FF762292348F" author="Foged, N." box="[246,452,190,216]" pageId="8" pageNumber="51" refId="ref7508" refString="Foged, N. (1975) Some littoral diatoms from the coast of Tanzania. Bibliotheca Phycologica 16, 127 pp." type="book" year="1975">Foged (1975: 12)</bibRefCitation>
</taxonomicName>
, described and illustrated from the 
<collectingCountry id="3BE772D7835AFFC6FCC5FF76209A348F" box="[867,972,190,216]" name="Tanzania" pageId="8" pageNumber="51">Tanzania</collectingCountry>
coast (
<bibRefCitation id="27614FB6835AFFC6FBB9FF7627E7348F" author="Foged, N." box="[1055,1201,190,216]" pageId="8" pageNumber="51" refId="ref7508" refString="Foged, N. (1975) Some littoral diatoms from the coast of Tanzania. Bibliotheca Phycologica 16, 127 pp." type="book" year="1975">Foged 1975</bibRefCitation>
: pl. 7, figs 14 &amp; 15; Table 3). In contrast to 
<taxonomicName id="84F049C4835AFFC6FE0AFF2D217334A9" authorityName="Foged" authorityYear="1975" box="[428,549,229,255]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="minima">
<emphasis id="7184EE55835AFFC6FE0AFF2D22E834A9" box="[428,446,229,254]" italics="true" pageId="8" pageNumber="51">A</emphasis>
. 
<emphasis id="7184EE55835AFFC6FE6BFF2D217334A9" box="[461,549,229,254]" italics="true" pageId="8" pageNumber="51">minima</emphasis>
</taxonomicName>
, 
<taxonomicName id="84F049C4835AFFC6FD93FF2D20CB34A9" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[565,925,229,254]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE55835AFFC6FD93FF2D20CB34A9" box="[565,925,229,254]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
has a well-defined valve symmetry, higher stria density (RV: 
<quantity id="84089FA2835AFFC6FECFFEC422863571" box="[361,464,268,294]" metricMagnitude="0" metricUnit="m" metricValue="1.1176" metricValueMax="1.3462" metricValueMin="0.889" pageId="8" pageNumber="51" unit="in" value="44.0" valueMax="53.0" valueMin="35.0">35–53 in</quantity>
<quantity id="84089FA2835AFFC6FE71FEC421753571" box="[471,547,268,294]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
as compared to 20–22 respectively), and its terminal raphe endings are well apart from the margin. A few other small species of 
<taxonomicName id="84F049C4835AFFC6FCA7FEFA20C6351C" authorityName="Grunow" authorityYear="1867" box="[769,912,306,331]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="genus">
<emphasis id="7184EE55835AFFC6FCA7FEFA20C6351C" box="[769,912,306,331]" italics="true" pageId="8" pageNumber="51">Anorthoneis</emphasis>
</taxonomicName>
, such as 
<taxonomicName id="84F049C4835AFFC6FC58FEFA2623351B" authority="Sterrenburg (1987: 16)" authorityName="Sterrenburg" authorityPageNumber="16" authorityYear="1987" box="[1022,1397,306,332]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="pulex">
<emphasis id="7184EE55835AFFC6FC58FEFA2708351C" box="[1022,1118,306,331]" italics="true" pageId="8" pageNumber="51">A. pulex</emphasis>
<bibRefCitation id="27614FB6835AFFC6FBC1FEFA2623351B" author="Sterrenburg, F. A. S." box="[1127,1397,306,332]" pageId="8" pageNumber="51" pagination="11 - 16" refId="ref8582" refString="Sterrenburg, F. A. S. (1987) Anorthoneis, een assepoester genus? Diatomededelingen 2 (1): 11 - 16." type="journal article" year="1987">Sterrenburg (1987: 16)</bibRefCitation>
</taxonomicName>
, 
<taxonomicName id="84F049C4835AFFC6FA25FEFA22AF3524" authority="Sterrenburg (1987: 16)" authorityName="Sterrenburg" authorityPageNumber="16" authorityYear="1987" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="vortex">
<emphasis id="7184EE55835AFFC6FA25FEFA23B73525" italics="true" pageId="8" pageNumber="51">A. vortex</emphasis>
<bibRefCitation id="27614FB6835AFFC6FF4FFE9122AF3524" author="Sterrenburg, F. A. S." box="[233,505,345,371]" pageId="8" pageNumber="51" pagination="11 - 16" refId="ref8582" refString="Sterrenburg, F. A. S. (1987) Anorthoneis, een assepoester genus? Diatomededelingen 2 (1): 11 - 16." type="journal article" year="1987">Sterrenburg (1987: 16)</bibRefCitation>
</taxonomicName>
and 
<taxonomicName id="84F049C4835AFFC6FD92FE9120D03524" authority="Hustedt (1955: 15)" authorityName="Hustedt" authorityPageNumber="15" authorityYear="1955" box="[564,902,345,371]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="tenuis">
<emphasis id="7184EE55835AFFC6FD92FE9121CA3525" box="[564,668,345,370]" italics="true" pageId="8" pageNumber="51">A. tenuis</emphasis>
<bibRefCitation id="27614FB6835AFFC6FD03FE9120D03524" author="Hustedt, F." box="[677,902,345,371]" pageId="8" pageNumber="51" pagination="1 - 67" refId="ref7865" refString="Hustedt, F. (1955) Marine littoral diatoms from Beaufort, North Carolina. Bulletin of Duke University Marine Station 6: 1 - 67." type="journal article" year="1955">Hustedt (1955: 15)</bibRefCitation>
</taxonomicName>
have RV with a large central area that is not comparable to 
<taxonomicName id="84F049C4835AFFC6FEE3FE4821FD35CE" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[325,683,384,409]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE55835AFFC6FEE3FE4821FD35CE" box="[325,683,384,409]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
. Furthermore, the species of 
<taxonomicName id="84F049C4835AFFC6FBA4FE4827C735CE" authorityName="Grunow" authorityYear="1867" box="[1026,1169,384,409]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="genus">
<emphasis id="7184EE55835AFFC6FBA4FE4827C735CE" box="[1026,1169,384,409]" italics="true" pageId="8" pageNumber="51">Anorthoneis</emphasis>
</taxonomicName>
observed in &quot;JDN2-3&quot; (which has yielded a new taxon to be described elsewhere), have RV with biseriate marginal areolae which are not horse-shoe shaped as in 
<taxonomicName id="84F049C4835AFFC6FE46FE05201135B1" authorityName="Riaux-Gobin &amp; Witkowski" authorityYear="2012" box="[480,839,461,486]" class="Bacillariophyceae" family="Naviculaceae" genus="Cocconeiopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="51" phylum="Ochrophyta" rank="species" species="juandenovensis">
<emphasis id="7184EE55835AFFC6FE46FE05201135B1" box="[480,839,461,486]" italics="true" pageId="8" pageNumber="51">Cocconeiopsis juandenovensis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>