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<document id="2EC4FA615D123458CF2909C022A9E299" ID-ISSN="1842-371x" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1722618500940" checkinUser="felipe" docAuthor="Dumitrică, Paulian &amp; Martin, Simona Saint" docDate="2017" docId="F90B87DFFF8DFFE3D23BF9A1FC0503EE" docLanguage="en" docName="ActaPalaeontolRom.13.2.21-35.pdf" docOrigin="Acta Palaeontologica Romaniae 13 (2)" docStyle="DocumentStyle:39F84A4C616F31A5F2BF64F2057DC7B5.4:ActaPalaeontolRom.2012-2018.journal_article" docStyleId="39F84A4C616F31A5F2BF64F2057DC7B5" docStyleName="ActaPalaeontolRom.2012-2018.journal_article" docStyleVersion="4" docTitle="Entogonia briggeri Dumitrică &amp; Martin 2017, nov. sp." docType="treatment" docVersion="1" lastPageNumber="27" masterDocId="0532FFA7FF8EFFE5D10AFFA3FF8C055C" masterDocTitle="Entogonia Briggeri N. Sp., A New Diatom Species From The Middle Miocene Of Romania And New Insights On The Fossil Marine Diatom Genus Entogonia Greville" masterLastPageNumber="35" masterPageNumber="21" pageNumber="24" updateTime="1722670525955" updateUser="GgImagineBatch" zenodo-license-document="CC-BY-4.0">
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<mods:title id="C17EE34B213ACB955EDA0730579056A6">Entogonia Briggeri N. Sp., A New Diatom Species From The Middle Miocene Of Romania And New Insights On The Fossil Marine Diatom Genus Entogonia Greville</mods:title>
<document id="E6FB1823209026CFA139CC60722DCCDA" ID-DOI="10.5281/zenodo.13190414" ID-ISSN="1842-371x" ID-Zenodo-Dep="13190414" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1722618500940" checkinUser="felipe" docAuthor="Dumitrică, Paulian &amp; Martin, Simona Saint" docDate="2017" docId="F90B87DFFF8DFFE3D23BF9A1FC0503EE" docLanguage="en" docName="ActaPalaeontolRom.13.2.21-35.pdf" docOrigin="Acta Palaeontologica Romaniae 13 (2)" docStyle="DocumentStyle:39F84A4C616F31A5F2BF64F2057DC7B5.4:ActaPalaeontolRom.2012-2018.journal_article" docStyleId="39F84A4C616F31A5F2BF64F2057DC7B5" docStyleName="ActaPalaeontolRom.2012-2018.journal_article" docStyleVersion="4" docTitle="Entogonia briggeri Dumitrică &amp; Martin 2017, nov. sp." docType="treatment" docVersion="2" lastPageNumber="27" masterDocId="0532FFA7FF8EFFE5D10AFFA3FF8C055C" masterDocTitle="Entogonia Briggeri N. Sp., A New Diatom Species From The Middle Miocene Of Romania And New Insights On The Fossil Marine Diatom Genus Entogonia Greville" masterLastPageNumber="35" masterPageNumber="21" pageNumber="24" updateTime="1722671868264" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="9705AEEC8B27D72BFA63078E5AB2E633">Entogonia Briggeri N. Sp., A New Diatom Species From The Middle Miocene Of Romania And New Insights On The Fossil Marine Diatom Genus Entogonia Greville</mods:title>
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<mods:namePart id="BB884AA78C3E5E56A3663CD7D1033DD3">Dumitrică, Paulian</mods:namePart>
<mods:affiliation id="742F10EA5C9F0E9B25A40400149A0A2B">Institute of Earth Science, Université de Lausanne, Géopolis, 1015 Lausanne, Switzerland; Paulian. Dumitrica @ unil. ch</mods:affiliation>
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<mods:affiliation id="4D78975F3C298974A84B6B3E36F09F05">Institute of Earth Science, Université de Lausanne, Géopolis, 1015 Lausanne, Switzerland; Paulian. Dumitrica @ unil. ch</mods:affiliation>
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<treatment id="F90B87DFFF8DFFE3D23BF9A1FC0503EE" LSID="urn:lsid:plazi:treatment:F90B87DFFF8DFFE3D23BF9A1FC0503EE" httpUri="http://treatment.plazi.org/id/F90B87DFFF8DFFE3D23BF9A1FC0503EE" lastPageId="6" lastPageNumber="27" pageId="3" pageNumber="24">
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@ -59,74 +61,74 @@ and
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<paragraph id="711D36C9FF8DFFE6D23BF9BCFC03036B" blockId="3.[817,1413,1476,1591]" box="[817,911,1567,1591]" pageId="3" pageNumber="24">
<figureCitation id="E9992A4CFF8DFFE6D23BF9BCFC03036B" box="[817,911,1567,1591]" captionStart-0="Figs" captionStart-1="Figs" captionStart-2="Figs" captionStart-3="Figs" captionStart-4="Figs" captionStartId-0="4.[239,282,1581,1602]" captionStartId-1="5.[199,242,1889,1910]" captionStartId-2="7.[212,255,1924,1945]" captionStartId-3="9.[219,262,1838,1859]" captionStartId-4="11.[272,317,673,694]" captionTargetBox-0="[239,1339,149,1545]" captionTargetBox-1="[199,1392,158,1853]" captionTargetBox-2="[212,1375,154,1887]" captionTargetBox-3="[219,1420,158,1802]" captionTargetBox-4="[272,1292,153,637]" captionTargetId-0="figure-265@4.[239,1349,149,1545]" captionTargetId-1="figure-7@5.[199,1392,158,1853]" captionTargetId-2="figure-7@7.[212,1375,154,1887]" captionTargetId-3="figure-7@9.[219,1420,158,1802]" captionTargetId-4="figure-694@11.[272,1292,151,637]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="7" captionTargetPageId-3="9" captionTargetPageId-4="11" captionText-0="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." captionText-1="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." captionText-2="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." captionText-3="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." captionText-4="Figs. 7 a, b Entogonia briggeri n. sp., sample 102m; SEM external view (a) and SEM internal view (b); a Valve face showing valve shape, round apices, elevations to poles and orifices, areolae pattern on inner and outer triangles; b Internal view showing the outer and inner triangles, internal costae of outer triangle, dense network of costae of the inner triangle, hyaline center of the inner triangle, the apices of the internal coil fusing to a siliceous punctate membrane within the orifice. Scale bars: 20 µm." pageId="3" pageNumber="24">Figs. 3-7</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D23BF9BCFC03036B" box="[817,911,1567,1591]" captionStart-0="Figs" captionStart-1="Figs" captionStart-2="Figs" captionStart-3="Figs" captionStart-4="Figs" captionStartId-0="4.[239,282,1581,1602]" captionStartId-1="5.[199,242,1889,1910]" captionStartId-2="7.[212,255,1924,1945]" captionStartId-3="9.[219,262,1838,1859]" captionStartId-4="11.[272,317,673,694]" captionTargetBox-0="[239,1339,149,1545]" captionTargetBox-1="[199,1392,158,1853]" captionTargetBox-2="[212,1375,154,1887]" captionTargetBox-3="[219,1420,158,1802]" captionTargetBox-4="[272,1292,153,637]" captionTargetId-0="figure-265@4.[239,1349,149,1545]" captionTargetId-1="figure-7@5.[199,1392,158,1853]" captionTargetId-2="figure-7@7.[212,1375,154,1887]" captionTargetId-3="figure-7@9.[219,1420,158,1802]" captionTargetId-4="figure-694@11.[272,1292,151,637]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="7" captionTargetPageId-3="9" captionTargetPageId-4="11" captionText-0="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." captionText-1="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." captionText-2="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." captionText-3="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." captionText-4="Figs. 7 a, b Entogonia briggeri n. sp., sample 102m; SEM external view (a) and SEM internal view (b); a Valve face showing valve shape, round apices, elevations to poles and orifices, areolae pattern on inner and outer triangles; b Internal view showing the outer and inner triangles, internal costae of outer triangle, dense network of costae of the inner triangle, hyaline center of the inner triangle, the apices of the internal coil fusing to a siliceous punctate membrane within the orifice. Scale bars: 20 µm." figureDoi-0="http://doi.org/10.5281/zenodo.13190420" figureDoi-1="http://doi.org/10.5281/zenodo.13190422" figureDoi-2="http://doi.org/10.5281/zenodo.13190424" figureDoi-3="http://doi.org/10.5281/zenodo.13190426" figureDoi-4="http://doi.org/10.5281/zenodo.13190428" httpUri-0="https://zenodo.org/record/13190420/files/figure.png" httpUri-1="https://zenodo.org/record/13190422/files/figure.png" httpUri-2="https://zenodo.org/record/13190424/files/figure.png" httpUri-3="https://zenodo.org/record/13190426/files/figure.png" httpUri-4="https://zenodo.org/record/13190428/files/figure.png" pageId="3" pageNumber="24">Figs. 3-7</figureCitation>
</paragraph>
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Description. The valves are tripolar with straight to slightly convex sides in valve view and round poles (
<figureCitation id="E9992A4CFF8DFFE6D46CF9DFFCB103EE" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="3" pageNumber="24">Figs. 3</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D46CF9DFFCB103EE" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="3" pageNumber="24">Figs. 3</figureCitation>
a-f, 4a, 4c, 4f, 5a-b, 7a). Each pole bears an elevation circular to oval in outline and slightly raised above the surface of valve, with a height of about 17.5 µm. They are perforated by irregularly scattered areolae that are smaller than the valve areolae (
<figureCitation id="E9992A4CFF8DFFE6D590F8B6FB6B0271" box="[1178,1255,1813,1837]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="3" pageNumber="24">Figs. 3</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D590F8B6FB6B0271" box="[1178,1255,1813,1837]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="3" pageNumber="24">Figs. 3</figureCitation>
a-f, 4b, 4c, 4e). Apices of the elevations are flat, finely punctate (perforate) with no particular arrangement of puncta as it can be seen in external valve view (
<figureCitation id="E9992A4CFF8DFFE6D561F8D2FB4802D5" box="[1131,1220,1905,1929]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="3" pageNumber="24">Figs. 3e</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D561F8D2FB4802D5" box="[1131,1220,1905,1929]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="3" pageNumber="24">Figs. 3e</figureCitation>
,
<figureCitation id="E9992A4CFF8DFFE6D5D8F8D2FB6102D5" box="[1234,1261,1905,1929]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="3" pageNumber="24">4d</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D5D8F8D2FB6102D5" box="[1234,1261,1905,1929]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="3" pageNumber="24">4d</figureCitation>
) and also in internal valve view (
<figureCitation id="E9992A4CFF8DFFE6D2F5F82CFBC202FB" box="[1023,1102,1935,1959]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="3" pageNumber="24">Fig. 5f</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D2F5F82CFBC202FB" box="[1023,1102,1935,1959]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="3" pageNumber="24">Fig. 5f</figureCitation>
). The diameter of apices is of circa 17 µm. On each apex there is a flat, triangular, claw-like linking spine on one lateral border (
<figureCitation id="E9992A4CFF8DFFE6D433F86EFA1402B9" box="[1337,1432,1997,2021]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="3" pageNumber="24">Figs. 4b</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D433F86EFA1402B9" box="[1337,1432,1997,2021]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="3" pageNumber="24">Figs. 4b</figureCitation>
,
<figureCitation id="E9992A4CFF8DFFE6D23BF84FFCC30D58" box="[817,847,2028,2052]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="3" pageNumber="24">6b</figureCitation>
<figureCitation id="E9992A4CFF8DFFE6D23BF84FFCC30D58" box="[817,847,2028,2052]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="3" pageNumber="24">6b</figureCitation>
). The length of spines is variable between 24-25 µm. Exit pores arise gently from the valve face close to elevations; they are circular to oval in outline, with a diameter smaller than that of the elevations, of about 8.7- 10.5 µm. (
<figureCitation id="E9992A4CFF8AFFE1D000F97FFE3903A8" box="[266,437,1756,1780]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="4" pageNumber="25">Figs. 3a, 3c, 3e</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D000F97FFE3903A8" box="[266,437,1756,1780]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="4" pageNumber="25">Figs. 3a, 3c, 3e</figureCitation>
,
<figureCitation id="E9992A4CFF8AFFE1D0C9F97FFD8B03A8" box="[451,519,1756,1780]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="4" pageNumber="25">4a, 4c</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D0C9F97FFD8B03A8" box="[451,519,1756,1780]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="4" pageNumber="25">4a, 4c</figureCitation>
,
<figureCitation id="E9992A4CFF8AFFE1D31EF97FFDBD03A8" box="[532,561,1756,1780]" captionStart="Figs" captionStartId="11.[272,317,673,694]" captionTargetBox="[272,1292,153,637]" captionTargetId="figure-694@11.[272,1292,151,637]" captionTargetPageId="11" captionText="Figs. 7 a, b Entogonia briggeri n. sp., sample 102m; SEM external view (a) and SEM internal view (b); a Valve face showing valve shape, round apices, elevations to poles and orifices, areolae pattern on inner and outer triangles; b Internal view showing the outer and inner triangles, internal costae of outer triangle, dense network of costae of the inner triangle, hyaline center of the inner triangle, the apices of the internal coil fusing to a siliceous punctate membrane within the orifice. Scale bars: 20 µm." pageId="4" pageNumber="25">7a</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D31EF97FFDBD03A8" box="[532,561,1756,1780]" captionStart="Figs" captionStartId="11.[272,317,673,694]" captionTargetBox="[272,1292,153,637]" captionTargetId="figure-694@11.[272,1292,151,637]" captionTargetPageId="11" captionText="Figs. 7 a, b Entogonia briggeri n. sp., sample 102m; SEM external view (a) and SEM internal view (b); a Valve face showing valve shape, round apices, elevations to poles and orifices, areolae pattern on inner and outer triangles; b Internal view showing the outer and inner triangles, internal costae of outer triangle, dense network of costae of the inner triangle, hyaline center of the inner triangle, the apices of the internal coil fusing to a siliceous punctate membrane within the orifice. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190428" httpUri="https://zenodo.org/record/13190428/files/figure.png" pageId="4" pageNumber="25">7a</figureCitation>
). They have a protruding hyaline lip which does not surround the entire circumference of the exit pores as they are missing towards the projections (
<figureCitation id="E9992A4CFF8AFFE1D098F89BFE69020C" box="[402,485,1848,1872]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="4" pageNumber="25">Fig. 4d</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D098F89BFE69020C" box="[402,485,1848,1872]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="4" pageNumber="25">Fig. 4d</figureCitation>
). The valve face is perforated by poroid areolae exhibiting different dimensions and distribution patterns that delimit an outer triangle and an inner triangle (
<figureCitation id="E9992A4CFF8AFFE1D055F837FE2602F0" box="[351,426,1940,1964]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="4" pageNumber="25">Figs. 3</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D055F837FE2602F0" box="[351,426,1940,1964]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="4" pageNumber="25">Figs. 3</figureCitation>
a-e, 4a, 4c, 4f, 7a). In external oblique view the outer triangle is gently elevated relative to inner triangle (
<figureCitation id="E9992A4CFF8AFFE1D06AF872FE3F02B5" box="[352,435,2001,2025]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="4" pageNumber="25">Fig. 4e</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D06AF872FE3F02B5" box="[352,435,2001,2025]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="4" pageNumber="25">Fig. 4e</figureCitation>
). The outer triangle is broad, convex in girdle view, with areolae arranged in 2-3 transverse rows between two internal costae as follows: the rows adjacent to internal costae comprise larger and closely spaced areolae (4-5 within a row); the rows locat- ed away from internal costae comprise smaller and more distantly spaced areolae (2-4 within a row); sometimes the rows of these smaller areolae are incomplete. The row of larger areolae which lie next to and parallel to each internal costae of the outer triangle are also much larger than those of the inner triangle (
<figureCitation id="E9992A4CFF8AFFE1D59BF837FAB002F0" box="[1169,1340,1940,1964]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="4" pageNumber="25">Figs. 3a, 3b, 3e</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D59BF837FAB002F0" box="[1169,1340,1940,1964]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="4" pageNumber="25">Figs. 3a, 3b, 3e</figureCitation>
,
<figureCitation id="E9992A4CFF8AFFE1D443F837FCCD0297" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="4" pageNumber="25">4a, 4c - d</figureCitation>
<figureCitation id="E9992A4CFF8AFFE1D443F837FCCD0297" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="4" pageNumber="25">4a, 4c - d</figureCitation>
). Rows are generally perpendicular to the valve face margins. Internal costae vary in number from 10 to 12 depending, but not compulsorily, on the size of the valve and continue down the mantle until they fuse with the margin of the mantle (
<figureCitation id="E9992A4CFF88FFE3D093FF18FE78058F" box="[409,500,187,211]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4f</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D093FF18FE78058F" box="[409,500,187,211]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4f</figureCitation>
,
<figureCitation id="E9992A4CFF88FFE3D309FF18FD9C058F" box="[515,528,187,211]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="6" pageNumber="27">5</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D309FF18FD9C058F" box="[515,528,187,211]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="6" pageNumber="27">5</figureCitation>
a-b, 7b). The internal costae of the outer triangle define sectors for areolae both on the valve face and on the mantle. The inner triangle presents straight or concave sides of circa 90-110 µm outlined on the valve surface by a deep constriction corresponding on the inner face to a costa (
<figureCitation id="E9992A4CFF88FFE3D356FEF6FD390431" box="[604,693,341,365]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4f</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D356FEF6FD390431" box="[604,693,341,365]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4f</figureCitation>
,
<figureCitation id="E9992A4CFF88FFE3D3C9FEF6FD5C0431" box="[707,720,341,365]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="6" pageNumber="27">5</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D3C9FEF6FD5C0431" box="[707,720,341,365]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="6" pageNumber="27">5</figureCitation>
a-b). The central part of this triangle is depressed as seen in external oblique view (
<figureCitation id="E9992A4CFF88FFE3D097FE31FE6304F6" box="[413,495,402,426]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Fig. 4e</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D097FE31FE6304F6" box="[413,495,402,426]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Fig. 4e</figureCitation>
) and sometimes hyaline (
<figureCitation id="E9992A4CFF88FFE3D195FE12FF610495" box="[159,237,433,457]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="6" pageNumber="27">Fig. 3c</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D195FE12FF610495" box="[159,237,433,457]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="6" pageNumber="27">Fig. 3c</figureCitation>
). In internal view, from this center radiate a large number of dense costae which reach the boundary between the inner and outer triangles and which can be simple or bifurcate (
<figureCitation id="E9992A4CFF88FFE3D075FDAEFE410779" box="[383,461,525,549]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 5</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D075FDAEFE410779" box="[383,461,525,549]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="6" pageNumber="27">Figs. 5</figureCitation>
a-b, 7b). Three such costae extend along the bisectors of the three corners and continuously ramify on both sides forming a dense network of costae. These three bisecting costae are never straight as in other species or more prominent than the resulted branches (
<figureCitation id="E9992A4CFF88FFE3D00CFD05FEDD07E2" box="[262,337,678,702]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 5</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D00CFD05FEDD07E2" box="[262,337,678,702]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="6" pageNumber="27">Figs. 5</figureCitation>
c-e). The fine areolae of the inner triangle are dense, small and arranged in radial, circular or spiral rows, neither of them perfect (
<figureCitation id="E9992A4CFF88FFE3D335FD40FD4507A7" box="[575,713,739,763]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4a, 4c</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D335FD40FD4507A7" box="[575,713,739,763]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4a, 4c</figureCitation>
,
<figureCitation id="E9992A4CFF88FFE3D3D3FD40FD7A07A7" box="[729,758,739,763]" captionStart="Figs" captionStartId="11.[272,317,673,694]" captionTargetBox="[272,1292,153,637]" captionTargetId="figure-694@11.[272,1292,151,637]" captionTargetPageId="11" captionText="Figs. 7 a, b Entogonia briggeri n. sp., sample 102m; SEM external view (a) and SEM internal view (b); a Valve face showing valve shape, round apices, elevations to poles and orifices, areolae pattern on inner and outer triangles; b Internal view showing the outer and inner triangles, internal costae of outer triangle, dense network of costae of the inner triangle, hyaline center of the inner triangle, the apices of the internal coil fusing to a siliceous punctate membrane within the orifice. Scale bars: 20 µm." pageId="6" pageNumber="27">7a</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D3D3FD40FD7A07A7" box="[729,758,739,763]" captionStart="Figs" captionStartId="11.[272,317,673,694]" captionTargetBox="[272,1292,153,637]" captionTargetId="figure-694@11.[272,1292,151,637]" captionTargetPageId="11" captionText="Figs. 7 a, b Entogonia briggeri n. sp., sample 102m; SEM external view (a) and SEM internal view (b); a Valve face showing valve shape, round apices, elevations to poles and orifices, areolae pattern on inner and outer triangles; b Internal view showing the outer and inner triangles, internal costae of outer triangle, dense network of costae of the inner triangle, hyaline center of the inner triangle, the apices of the internal coil fusing to a siliceous punctate membrane within the orifice. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190428" httpUri="https://zenodo.org/record/13190428/files/figure.png" pageId="6" pageNumber="27">7a</figureCitation>
). Inner coils very delicate, with annular costae joined to one another by curved and more delicate bars (
<figureCitation id="E9992A4CFF88FFE3D386FC82FD590665" box="[652,725,801,825]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 5</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D386FC82FD590665" box="[652,725,801,825]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="6" pageNumber="27">Figs. 5</figureCitation>
a-f). There is no clear distinction between valve face and valve mantle since valve areolae pattern is continuous on the mantle. Mantle vertical of about 29-35 µm height. There is also a basal ring of enlarged pores with protruding lips, which occur between internal costae on the valve mantle (
<figureCitation id="E9992A4CFF88FFE3D195FC7AFEAE06AD" box="[159,290,985,1009]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4b, 4e</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D195FC7AFEAE06AD" box="[159,290,985,1009]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4b, 4e</figureCitation>
,
<figureCitation id="E9992A4CFF88FFE3D024FC7AFEC506AD" box="[302,329,985,1009]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="6" pageNumber="27">6a</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D024FC7AFEC506AD" box="[302,329,985,1009]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="6" pageNumber="27">6a</figureCitation>
, and especially 6c). A thin hyaline ridge is placed on the mantle edge, bordering this latter with the valvocopula (
<figureCitation id="E9992A4CFF88FFE3D023FBB5FE200172" box="[297,428,1046,1070]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4b, 4e</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D023FBB5FE200172" box="[297,428,1046,1070]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4b, 4e</figureCitation>
). In internal view, it can be observed inwardly expanded hyaline mantle margin (
<figureCitation id="E9992A4CFF88FFE3D3C7FB96FF3C0137" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4f</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D3C7FB96FF3C0137" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4f</figureCitation>
,
<figureCitation id="E9992A4CFF88FFE3D1B0FBF0FF4B0137" box="[186,199,1107,1131]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." pageId="6" pageNumber="27">5</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D1B0FBF0FF4B0137" box="[186,199,1107,1131]" captionStart="Figs" captionStartId="7.[212,255,1924,1945]" captionTargetBox="[212,1375,154,1887]" captionTargetId="figure-7@7.[212,1375,154,1887]" captionTargetPageId="7" captionText="Figs. 5 a-f Entogonia briggeri n. sp. sample 1315; SEM internal views; a-b Internal view illustrating the outer and inner triangles, internal costae, and internal coil system; c-d Details of poles of the specimen figured in b showing the ramifying of some costae to form a dense network, hyaline center of the inner triangle, inner coil with costae joined to one another by curved bars; e Detail of a pole showing the apices of the coil fusing to a siliceous punctate membrane within the exit pore on the side of the orifice touching the elevation; f Detail of a pole of the specimen figured in a showing the internal view of the elevation with delicate puncta. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190424" httpUri="https://zenodo.org/record/13190424/files/figure.png" pageId="6" pageNumber="27">5</figureCitation>
a-b).
</paragraph>
<caption id="25DD6641FF8AFFE1D1E5F98EFCCA0326" pageId="4" pageNumber="25" startId="4.[239,282,1581,1602]" targetBox="[239,1339,149,1545]" targetPageId="4" targetType="figure">
<caption id="25DD6641FF8AFFE1D1E5F98EFCCA0326" ID-DOI="http://doi.org/10.5281/zenodo.13190420" ID-Zenodo-Dep="13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="4" pageNumber="25" startId="4.[239,282,1581,1602]" targetBox="[239,1339,149,1545]" targetPageId="4" targetType="figure">
<paragraph id="711D36C9FF8AFFE1D1E5F98EFCCA0326" blockId="4.[239,1348,1581,1658]" pageId="4" pageNumber="25">
<emphasis id="43D6EADBFF8AFFE1D1E5F98EFEC2031E" bold="true" box="[239,334,1581,1602]" pageId="4" pageNumber="25">Figs. 3a-f</emphasis>
<taxonomicName id="B6A24D4AFF8AFFE1D05EF98DFD81031F" authorityName="Dumitrică &amp; Martin" authorityYear="2017" box="[340,525,1581,1603]" class="Insecta" family="Geometridae" genus="Entogonia" kingdom="Animalia" order="Lepidoptera" pageId="4" pageNumber="25" phylum="Arthropoda" rank="species" species="briggeri" status="sp. nov.">
@ -148,7 +150,7 @@ Isotype 2, valve view;
Isotype 3, valve view. Scale bars: 20 µm.
</paragraph>
</caption>
<caption id="25DD6641FF8BFFE0D1CDF8C2FDBC0D40" pageId="5" pageNumber="26" startId="5.[199,242,1889,1910]" targetBox="[199,1392,158,1853]" targetPageId="5" targetType="figure">
<caption id="25DD6641FF8BFFE0D1CDF8C2FDBC0D40" ID-DOI="http://doi.org/10.5281/zenodo.13190422" ID-Zenodo-Dep="13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="5" pageNumber="26" startId="5.[199,242,1889,1910]" targetBox="[199,1392,158,1853]" targetPageId="5" targetType="figure">
<paragraph id="711D36C9FF8BFFE0D1CDF8C2FDBC0D40" blockId="5.[199,1393,1889,2077]" pageId="5" pageNumber="26">
<emphasis id="43D6EADBFF8BFFE0D1CDF8C2FEA4022A" bold="true" box="[199,296,1889,1910]" pageId="5" pageNumber="26">Figs. 4a-f</emphasis>
<taxonomicName id="B6A24D4AFF8BFFE0D025F8C1FE65022B" authorityName="Dumitrică &amp; Martin" authorityYear="2017" box="[303,489,1889,1911]" class="Insecta" family="Geometridae" genus="Entogonia" kingdom="Animalia" order="Lepidoptera" pageId="5" pageNumber="26" phylum="Arthropoda" rank="species" species="briggeri" status="sp. nov.">
@ -172,27 +174,27 @@ Internal view showing the outer and inner triangles, internal costae, internal c
</caption>
<paragraph id="711D36C9FF88FFE3D19DFBD1FDBC0345" blockId="6.[151,771,157,1622]" pageId="6" pageNumber="27">
Cingulum composed of a closed valvocopula and one or two closed copulae. All are ornamented by areolae, but areolae of valvocopula are slightly smaller than those of copulae and of mantle. Valvocopula, with a pars exterior varying between 12.6-20 µm high, bears areolae arranged in almost vertical rows (
<figureCitation id="E9992A4CFF88FFE3D097FAAFFE650078" box="[413,489,1292,1316]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 6</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D097FAAFFE650078" box="[413,489,1292,1316]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="6" pageNumber="27">Figs. 6</figureCitation>
a-b). There is a more conspicuous row of coarser and regularly arranged areolae of 2 µm diameter adjacent to the valve mantle (
<figureCitation id="E9992A4CFF88FFE3D38FFAEAFD5D003D" box="[645,721,1353,1377]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 6</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D38FFAEAFD5D003D" box="[645,721,1353,1377]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="6" pageNumber="27">Figs. 6</figureCitation>
a-b). The copulae, with a pars exterior varying between 24-30 µm heigh, bear areolae arranged in diagonal rows (
<figureCitation id="E9992A4CFF88FFE3D3C6FA25FF2900E1" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 6</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D3C6FA25FF2900E1" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="6" pageNumber="27">Figs. 6</figureCitation>
a-b). Sometimes, at the corners of copulae the pattern of the areolae seems slightly disturbed (
<figureCitation id="E9992A4CFF88FFE3D326FA67FDFB0080" box="[556,631,1476,1500]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 6</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D326FA67FDFB0080" box="[556,631,1476,1500]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="6" pageNumber="27">Figs. 6</figureCitation>
a-b). All girdle elements observed (valvocopula and copulae) have a hyaline abvalvar margin 3-4 µm deep.
</paragraph>
<paragraph id="711D36C9FF88FFE3D19DF983FE6F030A" blockId="6.[151,771,157,1622]" pageId="6" pageNumber="27">
In girdle and oblique views the mantle margin appears slightly undulate (
<figureCitation id="E9992A4CFF88FFE3D052F99DFE3C030A" box="[344,432,1598,1622]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 4e</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D052F99DFE3C030A" box="[344,432,1598,1622]" captionStart="Figs" captionStartId="5.[199,242,1889,1910]" captionTargetBox="[199,1392,158,1853]" captionTargetId="figure-7@5.[199,1392,158,1853]" captionTargetPageId="5" captionText="Figs. 4a-f Entogonia briggeri n. sp., sample 1315; SEM external views (a-e) and SEM internal view (f). a Valve face exhibiting specific morphological features; b Girdle view showing elevations and one triangular spine on each elevation; c Valve face showing valve shape, round apices, elevations to poles (arrow) and exit pores (head arrow), areolae pattern on inner and outer triangles; d Detail showing the finely punctuated apices of elevation and exit pore close to elevation with a protruding hyaline lip; e Oblique valve view showing raised outer triangle, depressed central part of inner triangle, vertical mantle with one ring of enlarged pores (arrows); f Internal view showing the outer and inner triangles, internal costae, internal coil system. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190422" httpUri="https://zenodo.org/record/13190422/files/figure.png" pageId="6" pageNumber="27">Figs. 4e</figureCitation>
,
<figureCitation id="E9992A4CFF88FFE3D0B1F99DFE5B030A" box="[443,471,1598,1622]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." pageId="6" pageNumber="27">6a</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D0B1F99DFE5B030A" box="[443,471,1598,1622]" captionStart="Figs" captionStartId="9.[219,262,1838,1859]" captionTargetBox="[219,1420,158,1802]" captionTargetId="figure-7@9.[219,1420,158,1802]" captionTargetPageId="9" captionText="Figs. 6a-d Cingulum of Entogonia briggeri n. sp., sample 1315; a Girdle view showing a valve with part of a cingulum composed of the valvocopula (vc) and two copulae (c). Note on valvocopula the vertical pattern of areolae and single row of coarser areolae regularly arranged adjacent to the valve mantle (head arrow). Areolae arranged in diagonal rows on copulae; b Girdle view of an incomplete frustule showing the hypovalve (h) with its valvocopula (vc) and one partly visible copulae (c) and a part of the epicingulum consiting of two copulae (c). Note on the valvocopula and also on the copulae a hyaline abvalvar margin (arrows); c Detail of specimen figured in a exhibiting the ring of enlarged pores occurring between internal costae on the valve mantle; d Detail of specimen figured in Fig. 4a showing the areolae size and pattern into the outer and inner triangle. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190426" httpUri="https://zenodo.org/record/13190426/files/figure.png" pageId="6" pageNumber="27">6a</figureCitation>
).
</paragraph>
<paragraph id="711D36C9FF88FFE3D19DF9DFFDFC03EE" blockId="6.[151,771,1660,1898]" pageId="6" pageNumber="27">
<materialsCitation id="C1CA3C94FF88FFE3D19DF9DFFDFC03EE" collectionCode="MNHN" country="France" location="Museum National d'Histoire Naturelle" municipality="Paris" pageId="6" pageNumber="27" specimenCount="1" typeStatus="holotype">
<typeStatus id="AE19886BFF88FFE3D19DF9DFFF7203C8" box="[151,254,1660,1684]" pageId="6" pageNumber="27" type="holotype">Holotype</typeStatus>
:
<figureCitation id="E9992A4CFF88FFE3D012F9DFFE1F03C8" box="[280,403,1660,1684]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 3a,b</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D012F9DFFE1F03C8" box="[280,403,1660,1684]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="6" pageNumber="27">Figs. 3a,b</figureCitation>
,
<collectionCode id="17B3AE0CFF88FFE3D0A5F9DFFD8A03CF" box="[431,518,1660,1683]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="6" pageNumber="27">MNHN</collectionCode>
.F. F62406 (
@ -208,7 +210,7 @@ In girdle and oblique views the mantle margin appears slightly undulate (
<materialsCitation id="C1CA3C94FF88FFE3D19DF919FDFC03B3" collectionCode="MNHN" country="France" location="Museum National d'Histoire Naturelle" municipality="Paris" pageId="6" pageNumber="27" specimenCount="1" typeStatus="Isotype">
<typeStatus id="AE19886BFF88FFE3D19DF919FF69038E" box="[151,229,1722,1746]" pageId="6" pageNumber="27" type="isotype">Isotype</typeStatus>
1:
<figureCitation id="E9992A4CFF88FFE3D02DF91AFE13038D" box="[295,415,1721,1745]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="6" pageNumber="27">Figs. 3c,d</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D02DF91AFE13038D" box="[295,415,1721,1745]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="6" pageNumber="27">Figs. 3c,d</figureCitation>
,
<collectionCode id="17B3AE0CFF88FFE3D0BDF919FD83038D" box="[439,527,1722,1745]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="6" pageNumber="27">MNHN</collectionCode>
.F. F62407 (
@ -224,7 +226,7 @@ In girdle and oblique views the mantle margin appears slightly undulate (
<materialsCitation id="C1CA3C94FF88FFE3D19DF954FD820271" collectionCode="MNHN" country="France" location="Museum National d'Histoire Naturelle" municipality="Paris" pageId="6" pageNumber="27" specimenCount="1" typeStatus="Isotype">
<typeStatus id="AE19886BFF88FFE3D19DF954FF690253" box="[151,229,1783,1807]" pageId="6" pageNumber="27" type="isotype">Isotype</typeStatus>
2:
<figureCitation id="E9992A4CFF88FFE3D01AF955FED20252" box="[272,350,1782,1806]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="6" pageNumber="27">Fig. 3e</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D01AF955FED20252" box="[272,350,1782,1806]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="6" pageNumber="27">Fig. 3e</figureCitation>
,
<collectionCode id="17B3AE0CFF88FFE3D060F954FE4E0252" box="[362,450,1783,1806]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="6" pageNumber="27">MNHN</collectionCode>
.F. F62408 (
@ -240,7 +242,7 @@ In girdle and oblique views the mantle margin appears slightly undulate (
<materialsCitation id="C1CA3C94FF88FFE3D19DF897FD820236" collectionCode="MNHN" country="France" location="Museum National d'Histoire Naturelle" municipality="Paris" pageId="6" pageNumber="27" specimenCount="1" typeStatus="Isotype">
<typeStatus id="AE19886BFF88FFE3D19DF897FF690210" box="[151,229,1844,1868]" pageId="6" pageNumber="27" type="isotype">Isotype</typeStatus>
3:
<figureCitation id="E9992A4CFF88FFE3D01EF897FED50210" box="[276,345,1844,1868]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." pageId="6" pageNumber="27">Fig 3f</figureCitation>
<figureCitation id="E9992A4CFF88FFE3D01EF897FED50210" box="[276,345,1844,1868]" captionStart="Figs" captionStartId="4.[239,282,1581,1602]" captionTargetBox="[239,1339,149,1545]" captionTargetId="figure-265@4.[239,1349,149,1545]" captionTargetPageId="4" captionText="Figs. 3a-f Entogonia briggeri n. sp., sample 1315. LM views; a Holotype, valve view; b Same specimen figured in 3a focused on internal coil; c Isotype 1, valve view; d Same specimen figured in 3c focused on internal coil; e Isotype 2, valve view; f Isotype 3, valve view. Scale bars: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.13190420" httpUri="https://zenodo.org/record/13190420/files/figure.png" pageId="6" pageNumber="27">Fig 3f</figureCitation>
,
<collectionCode id="17B3AE0CFF88FFE3D06CF897FE310217" box="[358,445,1844,1867]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="6" pageNumber="27">MNHN</collectionCode>
.F. F62409 (