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@ -53,7 +55,7 @@ Van de Vijver
<taxonomicNameLabel id="A25C8B3A5D66330661205A5CFD66F9FC" box="[581,663,1618,1641]" pageId="0" pageNumber="296" rank="species">sp. nov.</taxonomicNameLabel>
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(
<figureCitation id="1320F6D65D66330661C05A5CFCE3F9FF" box="[677,786,1618,1642]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Figs 114</figureCitation>
<figureCitation id="1320F6D65D66330661C05A5CFCE3F9FF" box="[677,786,1618,1642]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Figs 114</figureCitation>
LM, 1518 SEM)
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@ -61,23 +63,23 @@ LM, 1518 SEM)
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Frustules solitary. Valves linear, with parallel, irregularly undulating margins and broadly rounded, non-protracted apices. Occasionally, valves with constricted central part present (
<figureCitation id="1320F6D65D663306606F5A94FCADF927" box="[778,860,1690,1714]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Fig. 12</figureCitation>
<figureCitation id="1320F6D65D663306606F5A94FCADF927" box="[778,860,1690,1714]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Fig. 12</figureCitation>
). Continuous series of small aggregates of irregularly shaped, small, solid spines present along the valve face margin, located on the virgae (
<figureCitation id="1320F6D65D663306676E5AB0FB74F943" box="[1035,1157,1726,1750]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Figs 1517</figureCitation>
<figureCitation id="1320F6D65D663306676E5AB0FB74F943" box="[1035,1157,1726,1750]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Figs 1517</figureCitation>
). Spines absent on the valve apices. Valve dimensions (n=25): valve length 1030 µm, valve width 5.06.5 µm. Sternum fairly narrow, weakly lanceolate, narrowing towards the apices. Externally, valve face uneven with virgae having a narrow, raised ridge and adjacent striae slightly sunken in punch hole-like depressions (
<figureCitation id="1320F6D65D66330661FB5B24FCEAF8D7" box="[670,795,1834,1858]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Figs 1517</figureCitation>
<figureCitation id="1320F6D65D66330661FB5B24FCEAF8D7" box="[670,795,1834,1858]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Figs 1517</figureCitation>
). Vimines narrow, not raised. Striae alternating at both sides of the sternum, parallel to weakly radiate near the valve middle, becoming distinctly more radiate towards the apices,
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10 µm, composed of long, slit-like, linear areolae, running parallel to the apical axis. Occasionally areolae doubled by short struts between the vimines (
<figureCitation id="1320F6D65D66330662885B98FD96F83B" box="[493,615,1942,1966]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Figs 16, 17</figureCitation>
<figureCitation id="1320F6D65D66330662885B98FD96F83B" box="[493,615,1942,1966]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Figs 16, 17</figureCitation>
). Striae extending uninterruptedly from valve face onto mantle, areolae in size gradually narrowing at both ends (
<figureCitation id="1320F6D65D66330662935BB4FDB3F847" box="[502,578,1978,2002]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Fig. 17</figureCitation>
<figureCitation id="1320F6D65D66330662935BB4FDB3F847" box="[502,578,1978,2002]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Fig. 17</figureCitation>
) giving the striae a lanceolate appearance. Small apical pore fields present at both apices, almost similar in size and shape, located at the valve face/mantle junction, isolated from neighboring striae (
<figureCitation id="1320F6D65D66330666355BD0FA6FF863" box="[1360,1438,2014,2038]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Fig. 15</figureCitation>
<figureCitation id="1320F6D65D66330666355BD0FA6FF863" box="[1360,1438,2014,2038]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Fig. 15</figureCitation>
). Pore fields well delimited, composed of small pores, arranged in several irregular rows (
<figureCitation id="1320F6D65D6633066756540CFB73F78F" box="[1075,1154,2050,2074]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="0" pageNumber="296">Fig. 16</figureCitation>
<figureCitation id="1320F6D65D6633066756540CFB73F78F" box="[1075,1154,2050,2074]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="0" pageNumber="296">Fig. 16</figureCitation>
). Internally, striae distinctly sunken between the flattened virgae and sternum (
<figureCitation id="1320F6D65D67330761D45C91FCF3FF22" box="[689,770,159,183]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="1" pageNumber="297">Fig. 18</figureCitation>
<figureCitation id="1320F6D65D67330761D45C91FCF3FF22" box="[689,770,159,183]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="1" pageNumber="297">Fig. 18</figureCitation>
). Doubling of the areolae well visible. Areolae occlusions not observed, probably due to corrosion associated with the cleaning of the valves.. Girdle structure not observed.
</paragraph>
</subSubSection>
@ -97,7 +99,7 @@ Frustules solitary. Valves linear, with parallel, irregularly undulating margins
slide
<specimenCode id="DBBD42285D673307661A5CE6FF4FFEB6" pageId="1" pageNumber="297">BR-4785</specimenCode>
=
<figureCitation id="1320F6D65D67330763B65D05FEE2FEB6" box="[211,275,267,291]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7913172" httpUri="https://zenodo.org/record/7913172/files/figure.png" pageId="1" pageNumber="297">Fig. 4</figureCitation>
<figureCitation id="1320F6D65D67330763B65D05FEE2FEB6" box="[211,275,267,291]" captionStart="Figures 118" captionStartId="2.[136,213,1760,1782]" captionTargetBox="[151,1435,188,1734]" captionTargetId="figure-17@2.[151,1435,188,1734]" captionText="Figures 118.Staurosirella eruciformisVan deVijver sp.nov.LMand SEM images takenfrom the holotypesample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 114. LM views of the population arranged in decreasing length. 1517. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13992568" httpUri="https://zenodo.org/record/13992568/files/figure.png" pageId="1" pageNumber="297">Fig. 4</figureCitation>
,
</materialsCitation>
<materialsCitation id="3B73E00E5D673307627A5D05FC21FEB6" box="[287,976,267,291]" collectorName="Gregory" country="United Kingdom" location="Hawthorden" pageId="1" pageNumber="297" specimenCount="1" stateProvince="Scotland" typeStatus="isotype">