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@ -92,7 +92,7 @@ Cefarelli, Guerrero & Vouilloud
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@ -138,16 +138,15 @@ SEM (
|
|||
<figureCitation id="EAAB76ADFFFAFFA1ED7B0EDFFE6DFB3F" box="[269,407,1177,1203]" captionStart-0="FIGURES 49–60" captionStart-1="FIGURES 61–65" captionStart-2="FIGURES 66–78" captionStart-3="FIGURES 79–84" captionStartId-0="5.[136,243,1797,1819]" captionStartId-1="6.[136,243,1901,1923]" captionStartId-2="7.[136,243,1917,1939]" captionStartId-3="8.[136,243,1141,1163]" captionTargetBox-0="[151,1436,190,1773]" captionTargetBox-1="[179,1408,190,1876]" captionTargetBox-2="[151,1436,190,1892]" captionTargetBox-3="[151,1435,190,1116]" captionTargetId-0="figure-18@5.[151,1436,190,1773]" captionTargetId-1="figure-20@6.[179,1408,190,1876]" captionTargetId-2="figure-18@7.[151,1436,190,1892]" captionTargetId-3="figure-20@8.[151,1435,190,1116]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="7" captionTargetPageId-3="8" captionText-0="FIGURES 49–60. Orthoseira variabilis sp. nov. SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig.60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59)." captionText-1="FIGURES 61–65. Orthoseira variabilis sp. nov. SEM. Specimens in girdle view. Fig. 61. Valve with pore field (arrow) and raised interstriae on the mantle. Note the collum (white arrowhead) separated from the mantle striae by a smooth area (black arrowhead). Figs 62–65. Whole frustules; note the presence of pore fields, step and collum in the mantle, and the cingulum composed by open, ligulate copulae. Collum (white arrowhead) and smooth area of the mantle (black arrowhead) are also indicated in Fig. 64. Fig. 63 is a detail of Fig. 62, rotated. Scale bar: 10 µm." captionText-2="FIGURES 66–78. Orthoseira variabilis sp. nov. SEM. Specimens in internal valve view. Figs 66–72. Whole valve views. Note valves with shallow or inconspicuous caverns (arrows). Figs 73–78. Details of valve surface, showing areolar structure, carinoportulae, etched slits (Figs 73–74, arrows), and shallow caverns (Figs 76–78); note small unoccluded perforations among the areolae (arrowheads). Fig. 75 is a detail of Fig. 71, rotated. Fig. 76 is a detail of Fig. 72. Fig. 77 is a detail of Fig. 70. Fig. 78 is a detail of Fig. 66. Scale bar: 10 µm (Figs 66–72), 2 µm (Figs 73–78)." captionText-3="FIGURES 79–84. Orthoseira variabilis sp. nov. SEM. Girdle elements. Fig. 79. Valvocopula with internal silica thickening attached to valve. Fig. 80. Detached open valvocopula. Fig. 81. Broken frustule in internal view showing valve and attached valvocopula with thickened pars interior and poroids. Fig. 82. Open, ligulate copula. Fig. 83. Detail of a copula showing ligula. Fig. 84. Detail of a copula showing tiny poroids and fimbriae. Scale bar: 10 µm (Figs 79–80, 82), 5 µm (Figs 81, 83), 2 µm (Fig. 84)." figureDoi-0="http://doi.org/10.5281/zenodo.13217187" figureDoi-1="http://doi.org/10.5281/zenodo.13217189" figureDoi-2="http://doi.org/10.5281/zenodo.13217191" figureDoi-3="http://doi.org/10.5281/zenodo.13217193" httpUri-0="https://zenodo.org/record/13217187/files/figure.png" httpUri-1="https://zenodo.org/record/13217189/files/figure.png" httpUri-2="https://zenodo.org/record/13217191/files/figure.png" httpUri-3="https://zenodo.org/record/13217193/files/figure.png" pageId="3" pageNumber="40">Figs 49–84</figureCitation>
|
||||
):
|
||||
</emphasis>
|
||||
<materialsCitation id="C2F86075FFFAFFA1EDC60EDFFC8BFA07" county="Areola" location="Externally" municipality="Valve" pageId="3" pageNumber="40" specimenCount="1">
|
||||
<location id="774F3CF3FFFAFFA1EDC60EDFFDDCFB3F" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA1ECFE0D12FED7F847:774F3CF3FFFAFFA1EDC60EDFFDDCFB3F" box="[432,550,1177,1203]" county="Areola" municipality="Valve" name="Externally" pageId="3" pageNumber="40">Externally</location>
|
||||
<location id="774F3CF3FFFAFFA1EDC60EDFFDDCFB3F" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFFAFFA1EDC60EDFFDDCFB3F" box="[432,550,1177,1203]" county="Areola" municipality="Valve" name="Externally" pageId="3" pageNumber="40">Externally</location>
|
||||
, valve face varying from almost flat to convex (
|
||||
<figureCitation id="EAAB76ADFFFAFFA1E8130EDFFB16FB38" box="[1125,1260,1177,1204]" captionStart="FIGURES 49–60" captionStartId="5.[136,243,1797,1819]" captionTargetBox="[151,1436,190,1773]" captionTargetId="figure-18@5.[151,1436,190,1773]" captionTargetPageId="5" captionText="FIGURES 49–60. Orthoseira variabilis sp. nov. SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig.60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59)." figureDoi="http://doi.org/10.5281/zenodo.13217187" httpUri="https://zenodo.org/record/13217187/files/figure.png" pageId="3" pageNumber="40">Figs 49–54</figureCitation>
|
||||
).
|
||||
<location id="774F3CF3FFFAFFA1E9750EDFFA51FB3F" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA1ECFE0D12FED7F847:774F3CF3FFFAFFA1E9750EDFFA51FB3F" box="[1283,1451,1177,1203]" county="Areola" municipality="Valve" name="Carinoportulae" pageId="3" pageNumber="40">Carinoportulae</location>
|
||||
<location id="774F3CF3FFFAFFA1E9750EDFFA51FB3F" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFFAFFA1E9750EDFFA51FB3F" box="[1283,1451,1177,1203]" county="Areola" municipality="Valve" name="Carinoportulae" pageId="3" pageNumber="40">Carinoportulae</location>
|
||||
opening surrounded by raised rims forming incomplete semicircular collars (
|
||||
<figureCitation id="EAAB76ADFFFAFFA1EFA20EFBFBA9FB54" box="[980,1107,1213,1240]" captionStart="FIGURES 49–60" captionStartId="5.[136,243,1797,1819]" captionTargetBox="[151,1436,190,1773]" captionTargetId="figure-18@5.[151,1436,190,1773]" captionTargetPageId="5" captionText="FIGURES 49–60. Orthoseira variabilis sp. nov. SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig.60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59)." figureDoi="http://doi.org/10.5281/zenodo.13217187" httpUri="https://zenodo.org/record/13217187/files/figure.png" pageId="3" pageNumber="40">Figs 55, 56</figureCitation>
|
||||
).
|
||||
<location id="774F3CF3FFFAFFA1E8130EFBFB11FB54" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA1ECFE0D12FED7F847:774F3CF3FFFAFFA1E8130EFBFB11FB54" box="[1125,1259,1213,1240]" county="Areola" municipality="Valve" name="Central area" pageId="3" pageNumber="40">Central area</location>
|
||||
<location id="774F3CF3FFFAFFA1E8130EFBFB11FB54" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFFAFFA1E8130EFBFB11FB54" box="[1125,1259,1213,1240]" county="Areola" municipality="Valve" name="Central area" pageId="3" pageNumber="40">Central area</location>
|
||||
ornamented with irregular silica ridges located between the carinoportulae (
|
||||
<figureCitation id="EAAB76ADFFFAFFA1EF7A0EA7FCA5FB70" box="[780,863,1249,1276]" captionStart="FIGURES 49–60" captionStartId="5.[136,243,1797,1819]" captionTargetBox="[151,1436,190,1773]" captionTargetId="figure-18@5.[151,1436,190,1773]" captionTargetPageId="5" captionText="FIGURES 49–60. Orthoseira variabilis sp. nov. SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig.60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59)." figureDoi="http://doi.org/10.5281/zenodo.13217187" httpUri="https://zenodo.org/record/13217187/files/figure.png" pageId="3" pageNumber="40">Fig. 56</figureCitation>
|
||||
).
|
||||
|
|
@ -166,9 +165,7 @@ openings surrounded by distinct rims, irregularly silicified and with small spin
|
|||
<typeStatus id="AD2BD48AFFFAFFA1EF050F6CFC54FAC8" box="[883,942,1322,1348]" pageId="3" pageNumber="40">types</typeStatus>
|
||||
of areolae occurring in the same valve. When present, spines simple, solid, conical and stellate at the base (
|
||||
<figureCitation id="EAAB76ADFFFAFFA1EF310F0BFC37FAEB" box="[839,973,1357,1384]" captionStart="FIGURES 49–60" captionStartId="5.[136,243,1797,1819]" captionTargetBox="[151,1436,190,1773]" captionTargetId="figure-18@5.[151,1436,190,1773]" captionTargetPageId="5" captionText="FIGURES 49–60. Orthoseira variabilis sp. nov. SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig.60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59)." figureDoi="http://doi.org/10.5281/zenodo.13217187" httpUri="https://zenodo.org/record/13217187/files/figure.png" pageId="3" pageNumber="40">Figs 59, 60</figureCitation>
|
||||
). Areolae more densely packed forming a sort of pore field at the valve face/mantle junction in most valves
|
||||
</materialsCitation>
|
||||
; at intervals, beneath the pore fields, mantle striae often bifurcated (
|
||||
). Areolae more densely packed forming a sort of pore field at the valve face/mantle junction in most valves; at intervals, beneath the pore fields, mantle striae often bifurcated (
|
||||
<figureCitation id="EAAB76ADFFFAFFA1ED3B0FD3FE2EFA3C" box="[333,468,1429,1456]" captionStart="FIGURES 61–65" captionStartId="6.[136,243,1901,1923]" captionTargetBox="[179,1408,190,1876]" captionTargetId="figure-20@6.[179,1408,190,1876]" captionTargetPageId="6" captionText="FIGURES 61–65. Orthoseira variabilis sp. nov. SEM. Specimens in girdle view. Fig. 61. Valve with pore field (arrow) and raised interstriae on the mantle. Note the collum (white arrowhead) separated from the mantle striae by a smooth area (black arrowhead). Figs 62–65. Whole frustules; note the presence of pore fields, step and collum in the mantle, and the cingulum composed by open, ligulate copulae. Collum (white arrowhead) and smooth area of the mantle (black arrowhead) are also indicated in Fig. 64. Fig. 63 is a detail of Fig. 62, rotated. Scale bar: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13217189" httpUri="https://zenodo.org/record/13217189/files/figure.png" pageId="3" pageNumber="40">Figs 61, 65</figureCitation>
|
||||
). On the mantle portion between the step and the collum, interstriae raised and areola openings between them round to apically elongated and without raised margins (
|
||||
<figureCitation id="EAAB76ADFFFAFFA1E8660FFFFB1DFA58" box="[1040,1255,1465,1492]" captionStart="FIGURES 61–65" captionStartId="6.[136,243,1901,1923]" captionTargetBox="[179,1408,190,1876]" captionTargetId="figure-20@6.[179,1408,190,1876]" captionTargetPageId="6" captionText="FIGURES 61–65. Orthoseira variabilis sp. nov. SEM. Specimens in girdle view. Fig. 61. Valve with pore field (arrow) and raised interstriae on the mantle. Note the collum (white arrowhead) separated from the mantle striae by a smooth area (black arrowhead). Figs 62–65. Whole frustules; note the presence of pore fields, step and collum in the mantle, and the cingulum composed by open, ligulate copulae. Collum (white arrowhead) and smooth area of the mantle (black arrowhead) are also indicated in Fig. 64. Fig. 63 is a detail of Fig. 62, rotated. Scale bar: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.13217189" httpUri="https://zenodo.org/record/13217189/files/figure.png" pageId="3" pageNumber="40">Figs 61, 62, 64, 65</figureCitation>
|
||||
|
|
@ -216,6 +213,282 @@ Cingulum consisting of at least four open and fimbriate copulae (
|
|||
<figureCitation id="EAAB76ADFFFAFFA1E8D90D2FFB00F80F" box="[1199,1274,1897,1923]" captionStart="FIGURES 79–84" captionStartId="8.[136,243,1141,1163]" captionTargetBox="[151,1435,190,1116]" captionTargetId="figure-20@8.[151,1435,190,1116]" captionTargetPageId="8" captionText="FIGURES 79–84. Orthoseira variabilis sp. nov. SEM. Girdle elements. Fig. 79. Valvocopula with internal silica thickening attached to valve. Fig. 80. Detached open valvocopula. Fig. 81. Broken frustule in internal view showing valve and attached valvocopula with thickened pars interior and poroids. Fig. 82. Open, ligulate copula. Fig. 83. Detail of a copula showing ligula. Fig. 84. Detail of a copula showing tiny poroids and fimbriae. Scale bar: 10 µm (Figs 79–80, 82), 5 µm (Figs 81, 83), 2 µm (Fig. 84)." figureDoi="http://doi.org/10.5281/zenodo.13217193" httpUri="https://zenodo.org/record/13217193/files/figure.png" pageId="3" pageNumber="40">82, 83</figureCitation>
|
||||
), with a row of small poroids in the advalvar margin and poroids scattered or arranged in somewhat irregular rows perpendicular to pervalvar axis.
|
||||
</paragraph>
|
||||
<caption id="26EF3AA0FFFDFFA6ECFE0C38FD42F950" ID-DOI="http://doi.org/10.5281/zenodo.13217185" ID-Zenodo-Dep="13217185" httpUri="https://zenodo.org/record/13217185/files/figure.png" pageId="4" pageNumber="41" startId="4.[136,243,1662,1684]" targetBox="[151,1435,190,1638]" targetPageId="4" targetType="figure">
|
||||
<paragraph id="722F6A28FFFDFFA6ECFE0C38FD42F950" blockId="4.[136,1452,1662,1756]" pageId="4" pageNumber="41">
|
||||
<emphasis id="40E4B63AFFFDFFA6ECFE0C38FEC6F91F" bold="true" box="[136,316,1662,1684]" pageId="4" pageNumber="41">FIGURES 15–48.</emphasis>
|
||||
<emphasis id="40E4B63AFFFDFFA6ED320C38FD9EF918" box="[324,612,1662,1684]" italics="true" pageId="4" pageNumber="41">
|
||||
<taxonomicName id="B59011ABFFFDFFA6ED320C38FDEBF91F" box="[324,529,1662,1683]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="4" pageNumber="41" phylum="Ochrophyta" rank="species" species="variabilis" status="sp. nov.">Orthoseira variabilis</taxonomicName>
|
||||
<taxonomicNameLabel id="5BD70B41FFFDFFA6EE6F0C39FD9EF918" box="[537,612,1663,1684]" pageId="4" pageNumber="41" rank="species">sp. nov.</taxonomicNameLabel>
|
||||
</emphasis>
|
||||
LM. Specimens in valve view. Figs 24–25: Holotype. Figs 46–48. Same specimen in three different focus levels; note the marginal spines. Figures marked with “=” are the same valves with a different focus. Scale bar: 10 µm (Scale bar is the same for Figs 15–45 and for Figs 46–48).
|
||||
</paragraph>
|
||||
</caption>
|
||||
<paragraph id="722F6A28FFFDFFA6ECFE0D4CFE87F8A9" blockId="4.[136,381,1802,1829]" box="[136,381,1802,1829]" pageId="4" pageNumber="41">
|
||||
<heading id="2967DD44FFFDFFA6ECFE0D4CFE87F8A9" bold="true" box="[136,381,1802,1829]" fontSize="11" level="1" pageId="4" pageNumber="41" reason="1">
|
||||
<emphasis id="40E4B63AFFFDFFA6ECFE0D4CFE87F8A9" bold="true" box="[136,381,1802,1829]" pageId="4" pageNumber="41">Morphometric data:</emphasis>
|
||||
</heading>
|
||||
</paragraph>
|
||||
<paragraph id="722F6A28FFFDFFA6ECFE0D15FA6FF855" blockId="4.[136,1452,1869,2010]" pageId="4" pageNumber="41">
|
||||
Valve diameter: 11.0–36.5 μm (
|
||||
<emphasis id="40E4B63AFFFDFFA6ED840D11FDFAF8FE" box="[498,512,1879,1906]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 20.0 μm,
|
||||
<emphasis id="40E4B63AFFFDFFA6EEFA0D12FD60F8E1" box="[652,666,1876,1901]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 154). Valve stria density:
|
||||
<quantity id="B568C7CDFFFDFFA6EFAD0D15FBC5F8E1" box="[987,1087,1875,1901]" metricMagnitude="-1" metricUnit="m" metricValue="5.08" metricValueMax="6.096" metricValueMin="4.064" pageId="4" pageNumber="41" unit="in" value="20.0" valueMax="24.0" valueMin="16.0">16–24 in</quantity>
|
||||
10 µm (
|
||||
<emphasis id="40E4B63AFFFDFFA6E8D30D0BFB49F8E4" box="[1189,1203,1869,1896]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 19,
|
||||
<emphasis id="40E4B63AFFFDFFA6E8880D12FAF6F8E1" box="[1278,1292,1876,1901]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 119). Valve areola density:
|
||||
<quantity id="B568C7CDFFFDFFA6ED420D31FE62F81D" box="[308,408,1911,1938]" metricMagnitude="-1" metricUnit="m" metricValue="4.826" metricValueMax="5.842" metricValueMin="3.81" pageId="4" pageNumber="41" unit="in" value="19.0" valueMax="23.0" valueMin="15.0">15–23 in</quantity>
|
||||
10 µm (
|
||||
<emphasis id="40E4B63AFFFDFFA6ED880D35FDF6F802" box="[510,524,1907,1934]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 18.5,
|
||||
<emphasis id="40E4B63AFFFDFFA6EE1D0D3EFD83F81D" box="[619,633,1912,1937]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 100). Mantle height: 7.5–15.5 μm (
|
||||
<emphasis id="40E4B63AFFFDFFA6E85C0D35FBC2F802" box="[1066,1080,1907,1934]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 11.0 μm,
|
||||
<emphasis id="40E4B63AFFFDFFA6E8B50D3EFB2BF81D" box="[1219,1233,1912,1937]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 31). Mantle stria density:
|
||||
<quantity id="B568C7CDFFFDFFA6EC9F0DDDFEB6F839" box="[233,332,1947,1973]" metricMagnitude="-1" metricUnit="m" metricValue="5.715" metricValueMax="6.858" metricValueMin="4.572" pageId="4" pageNumber="41" unit="in" value="22.5" valueMax="27.0" valueMin="18.0">18–27 in</quantity>
|
||||
10 µm (
|
||||
<emphasis id="40E4B63AFFFDFFA6EDC50DD1FE3BF83E" box="[435,449,1943,1970]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 23.5,
|
||||
<emphasis id="40E4B63AFFFDFFA6EE560DDAFDD4F839" box="[544,558,1948,1973]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 68). Mantle areola density:
|
||||
<quantity id="B568C7CDFFFDFFA6EFF00DDDFC10F839" box="[902,1002,1947,1973]" metricMagnitude="-1" metricUnit="m" metricValue="6.476999999999999" metricValueMax="7.874" metricValueMin="5.08" pageId="4" pageNumber="41" unit="in" value="25.5" valueMax="31.0" valueMin="20.0">20–31 in</quantity>
|
||||
10 µm (
|
||||
<emphasis id="40E4B63AFFFDFFA6E8260DDFFBA4F838" box="[1104,1118,1945,1972]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 22.5,
|
||||
<emphasis id="40E4B63AFFFDFFA6E8C80DDAFB36F839" box="[1214,1228,1948,1973]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 51). Valvocopula exterior width:
|
||||
<emphasis id="40E4B63AFFFDFFA6ED4E0DF9FEBCF856" box="[312,326,1983,2010]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 5.10 µm (
|
||||
<emphasis id="40E4B63AFFFDFFA6EDA20D86FE18F855" box="[468,482,1984,2009]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 22). Density of valvocopula elongated poroid:
|
||||
<quantity id="B568C7CDFFFDFFA6E87D0DF9FB94F855" box="[1035,1134,1983,2009]" metricMagnitude="-1" metricUnit="m" metricValue="3.937" metricValueMax="4.572" metricValueMin="3.302" pageId="4" pageNumber="41" unit="in" value="15.5" valueMax="18.0" valueMin="13.0">13–18 in</quantity>
|
||||
10 µm (
|
||||
<emphasis id="40E4B63AFFFDFFA6E8A70DF9FB25F856" box="[1233,1247,1983,2010]" italics="true" pageId="4" pageNumber="41">x</emphasis>
|
||||
= 15.5,
|
||||
<emphasis id="40E4B63AFFFDFFA6E94B0D86FAB1F855" box="[1341,1355,1984,2009]" italics="true" pageId="4" pageNumber="41">n</emphasis>
|
||||
= 31).
|
||||
</paragraph>
|
||||
</subSubSection>
|
||||
<caption id="26EF3AA0FFFCFFA7ECFE0D43FB21F827" ID-DOI="http://doi.org/10.5281/zenodo.13217187" ID-Zenodo-Dep="13217187" httpUri="https://zenodo.org/record/13217187/files/figure.png" pageId="5" pageNumber="42" startId="5.[136,243,1797,1819]" targetBox="[151,1436,190,1773]" targetPageId="5" targetType="figure">
|
||||
<paragraph id="722F6A28FFFCFFA7ECFE0D43FB21F827" blockId="5.[136,1452,1797,1963]" pageId="5" pageNumber="42">
|
||||
<emphasis id="40E4B63AFFFCFFA7ECFE0D43FEC6F896" bold="true" box="[136,316,1797,1819]" pageId="5" pageNumber="42">FIGURES 49–60.</emphasis>
|
||||
<emphasis id="40E4B63AFFFCFFA7ED320D43FD9EF897" box="[324,612,1797,1819]" italics="true" pageId="5" pageNumber="42">
|
||||
<taxonomicName id="B59011ABFFFCFFA7ED320D43FDEBF896" box="[324,529,1797,1818]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="5" pageNumber="42" phylum="Ochrophyta" rank="species" species="variabilis" status="sp. nov.">Orthoseira variabilis</taxonomicName>
|
||||
<taxonomicNameLabel id="5BD70B41FFFCFFA7EE6F0D40FD9EF897" box="[537,612,1798,1819]" pageId="5" pageNumber="42" rank="species">sp. nov.</taxonomicNameLabel>
|
||||
</emphasis>
|
||||
SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig. 60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59).
|
||||
</paragraph>
|
||||
</caption>
|
||||
<caption id="26EF3AA0FFFFFFA4ECFE0D2BFE2BF79E" ID-DOI="http://doi.org/10.5281/zenodo.13217189" ID-Zenodo-Dep="13217189" httpUri="https://zenodo.org/record/13217189/files/figure.png" pageId="6" pageNumber="43" startId="6.[136,243,1901,1923]" targetBox="[179,1408,190,1876]" targetPageId="6" targetType="figure">
|
||||
<paragraph id="722F6A28FFFFFFA4ECFE0D2BFE2BF79E" blockId="6.[136,1451,1901,2067]" pageId="6" pageNumber="43">
|
||||
<emphasis id="40E4B63AFFFFFFA4ECFE0D2BFEC4F80E" bold="true" box="[136,318,1901,1923]" pageId="6" pageNumber="43">FIGURES 61–65.</emphasis>
|
||||
<emphasis id="40E4B63AFFFFFFA4ED3E0D2BFD97F80E" box="[328,621,1901,1922]" italics="true" pageId="6" pageNumber="43">
|
||||
<taxonomicName id="B59011ABFFFFFFA4ED3E0D2BFDECF80E" box="[328,534,1901,1922]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="6" pageNumber="43" phylum="Ochrophyta" rank="species" species="variabilis" status="sp. nov.">Orthoseira variabilis</taxonomicName>
|
||||
<taxonomicNameLabel id="5BD70B41FFFFFFA4EE560D2BFD97F80E" box="[544,621,1901,1922]" pageId="6" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
|
||||
</emphasis>
|
||||
SEM. Specimens in girdle view. Fig. 61. Valve with pore field (arrow) and raised interstriae on the mantle. Note the collum (white arrowhead) separated from the mantle striae by a smooth area (black arrowhead). Figs 62–65. Whole frustules; note the presence of pore fields, step and collum in the mantle, and the cingulum composed by open, ligulate copulae. Collum (white arrowhead) and smooth area of the mantle (black arrowhead) are also indicated in Fig. 64. Fig. 63 is a detail of Fig. 62, rotated. Scale bar: 10 µm.
|
||||
</paragraph>
|
||||
</caption>
|
||||
<caption id="26EF3AA0FFFEFFA5ECFE0D3BFE30F7AE" ID-DOI="http://doi.org/10.5281/zenodo.13217191" ID-Zenodo-Dep="13217191" httpUri="https://zenodo.org/record/13217191/files/figure.png" pageId="7" pageNumber="44" startId="7.[136,243,1917,1939]" targetBox="[151,1436,190,1892]" targetPageId="7" targetType="figure">
|
||||
<paragraph id="722F6A28FFFEFFA5ECFE0D3BFE30F7AE" blockId="7.[136,1452,1917,2083]" pageId="7" pageNumber="44">
|
||||
<emphasis id="40E4B63AFFFEFFA5ECFE0D3BFEC6F81E" bold="true" box="[136,316,1917,1939]" pageId="7" pageNumber="44">FIGURES 66–78.</emphasis>
|
||||
<emphasis id="40E4B63AFFFEFFA5ED350D3BFD98F81F" box="[323,610,1917,1939]" italics="true" pageId="7" pageNumber="44">
|
||||
<taxonomicName id="B59011ABFFFEFFA5ED350D3BFDEAF81E" box="[323,528,1917,1938]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="7" pageNumber="44" phylum="Ochrophyta" rank="species" species="variabilis" status="sp. nov.">Orthoseira variabilis</taxonomicName>
|
||||
<taxonomicNameLabel id="5BD70B41FFFEFFA5EE610D38FD98F81F" box="[535,610,1918,1939]" pageId="7" pageNumber="44" rank="species">sp. nov.</taxonomicNameLabel>
|
||||
</emphasis>
|
||||
SEM. Specimens in internal valve view. Figs 66–72. Whole valve views. Note valves with shallow or inconspicuous caverns (arrows). Figs 73–78. Details of valve surface, showing areolar structure, carinoportulae, etched slits (Figs 73–74, arrows), and shallow caverns (Figs 76–78); note small unoccluded perforations among the areolae (arrowheads). Fig. 75 is a detail of Fig. 71, rotated. Fig. 76 is a detail of Fig. 72. Fig. 77 is a detail of Fig. 70. Fig. 78 is a detail of Fig. 66. Scale bar: 10 µm (Figs 66–72), 2 µm (Figs 73–78).
|
||||
</paragraph>
|
||||
</caption>
|
||||
<caption id="26EF3AA0FFF1FFAAECFE0E33FB7DFB7A" ID-DOI="http://doi.org/10.5281/zenodo.13217193" ID-Zenodo-Dep="13217193" httpUri="https://zenodo.org/record/13217193/files/figure.png" pageId="8" pageNumber="45" startId="8.[136,243,1141,1163]" targetBox="[151,1435,190,1116]" targetPageId="8" targetType="figure">
|
||||
<paragraph id="722F6A28FFF1FFAAECFE0E33FB7DFB7A" blockId="8.[136,1452,1141,1271]" pageId="8" pageNumber="45">
|
||||
<emphasis id="40E4B63AFFF1FFAAECFE0E33FEC7FB06" bold="true" box="[136,317,1141,1163]" pageId="8" pageNumber="45">FIGURES 79–84.</emphasis>
|
||||
<emphasis id="40E4B63AFFF1FFAAED300E33FD92FB06" box="[326,616,1141,1162]" italics="true" pageId="8" pageNumber="45">
|
||||
<taxonomicName id="B59011ABFFF1FFAAED300E33FDEEFB06" box="[326,532,1141,1162]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="variabilis" status="sp. nov.">Orthoseira variabilis</taxonomicName>
|
||||
<taxonomicNameLabel id="5BD70B41FFF1FFAAEE6A0E33FD92FB06" box="[540,616,1141,1162]" pageId="8" pageNumber="45" rank="species">sp. nov.</taxonomicNameLabel>
|
||||
</emphasis>
|
||||
SEM. Girdle elements. Fig. 79. Valvocopula with internal silica thickening attached to valve. Fig. 80. Detached open valvocopula. Fig. 81. Broken frustule in internal view showing valve and attached valvocopula with thickened pars interior and poroids. Fig. 82. Open, ligulate copula. Fig. 83. Detail of a copula showing ligula. Fig. 84. Detail of a copula showing tiny poroids and fimbriae. Scale bar: 10 µm (Figs 79–80, 82), 5 µm (Figs 81, 83), 2 µm (Fig. 84).
|
||||
</paragraph>
|
||||
</caption>
|
||||
<subSubSection id="3A8A39A3FFF1FFAAECCB0F63FD99FA04" pageId="8" pageNumber="45" type="materials_examined">
|
||||
<paragraph id="722F6A28FFF1FFAAECCB0F63FD99FA04" blockId="8.[136,1452,1317,1955]" pageId="8" pageNumber="45">
|
||||
<emphasis id="40E4B63AFFF1FFAAECCB0F63FEFBFAB3" bold="true" box="[189,257,1317,1343]" pageId="8" pageNumber="45">Type:</emphasis>
|
||||
—
|
||||
<materialsCitation id="C2F86075FFF1FFAAED680F63FD99FA04" collectingDate="2017-02-15" collectionCode="LPC" country="Antarctica" latitude="-62.2464" location="Mayo" longLatPrecision="5" longitude="-58.6796" municipality="King George Island / Isla" pageId="8" pageNumber="45" specimenCode="LPC 13325" specimenCount="1" typeStatus="holotype">
|
||||
<collectingCountry id="0A872AB8FFF1FFAAED680F63FE29FAB3" box="[286,467,1317,1343]" name="Antarctica" pageId="8" pageNumber="45">ANTARCTICA</collectingCountry>
|
||||
,
|
||||
<collectingMunicipality id="924BF052FFF1FFAAED970F63FD0FFAB3" box="[481,757,1317,1343]" pageId="8" pageNumber="45">King George Island/Isla</collectingMunicipality>
|
||||
25 de
|
||||
<location id="774F3CF3FFF1FFAAEF3D0F60FC75FACC" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFF1FFAAEF3D0F60FC75FACC" box="[843,911,1318,1344]" country="Antarctica" latitude="-62.2464" longLatPrecision="5" longitude="-58.6796" municipality="King George Island / Isla" name="Mayo" pageId="8" pageNumber="45">Mayo</location>
|
||||
,
|
||||
<location id="774F3CF3FFF1FFAAEFE80F60FBDCFAB3" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFF1FFAAEFE80F60FBDCFAB3" box="[926,1062,1317,1344]" country="Antarctica" latitude="-62.2464" longLatPrecision="5" longitude="-58.6796" municipality="King George Island / Isla" name="Potter Cove" pageId="8" pageNumber="45">Potter Cove</location>
|
||||
coast (
|
||||
<geoCoordinate id="17A40CEFFFF1FFAAE80B0F63FAFAFAB3" box="[1149,1280,1317,1343]" degrees="62.2464" direction="south" orientation="latitude" pageId="8" pageNumber="45" precision="5" value="-62.2464">62.2464° S</geoCoordinate>
|
||||
,
|
||||
<geoCoordinate id="17A40CEFFFF1FFAAE9660F63FA65FAB3" box="[1296,1439,1317,1344]" degrees="58.6796" direction="west" orientation="longitude" pageId="8" pageNumber="45" precision="5" value="-58.6796">58.6796° W</geoCoordinate>
|
||||
), snow patch.
|
||||
<specimenCode id="2236C253FFF1FFAAED640F0FFE6EFAE8" box="[274,404,1353,1380]" pageId="8" pageNumber="45">LPC 13325</specimenCode>
|
||||
,
|
||||
<date id="062E4CE8FFF1FFAAEDE80F0FFD97FAEF" box="[414,621,1353,1380]" pageId="8" pageNumber="45" value="2017-02-15">
|
||||
<collectingDate id="166AB500FFF1FFAAEDE80F0FFD97FAEF" box="[414,621,1353,1380]" pageId="8" pageNumber="45" value="2017-02-15">February 15, 2017</collectingDate>
|
||||
</date>
|
||||
. (
|
||||
<typeStatus id="AD2BD48AFFF1FFAAEE0B0F0FFD1DFAEF" box="[637,743,1353,1379]" pageId="8" pageNumber="45" type="holotype">Holotype</typeStatus>
|
||||
designated here,
|
||||
<specimenCount id="6496A1A1FFF1FFAAEFD10F0FFBEBFAEF" box="[935,1041,1353,1379]" pageId="8" pageNumber="45" type="generic">specimen</specimenCount>
|
||||
positioned in
|
||||
<location id="774F3CF3FFF1FFAAE8DB0F0FFAA3FAEF" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFF1FFAAE8DB0F0FFAA3FAEF" box="[1197,1369,1353,1379]" country="Antarctica" latitude="-62.2464" longLatPrecision="5" longitude="-58.6796" municipality="King George Island / Isla" name="England Finder" pageId="8" pageNumber="45">England Finder</location>
|
||||
D39/3, slide 13325(1)!, illustrated in
|
||||
<figureCitation id="EAAB76ADFFF1FFAAEDA00F2BFDADFA04" box="[470,599,1389,1416]" captionStart="FIGURES 15–48" captionStartId="4.[136,243,1662,1684]" captionTargetBox="[151,1435,190,1638]" captionTargetId="figure-20@4.[151,1435,190,1638]" captionTargetPageId="4" captionText="FIGURES 15–48. Orthoseira variabilis sp. nov. LM. Specimens in valve view. Figs 24–25: Holotype. Figs 46–48. Same specimen in three different focus levels; note the marginal spines. Figures marked with “=” are the same valves with a different focus. Scale bar: 10 µm (Scale bar is the same for Figs 15–45 and for Figs 46–48)." figureDoi="http://doi.org/10.5281/zenodo.13217185" httpUri="https://zenodo.org/record/13217185/files/figure.png" pageId="8" pageNumber="45">
|
||||
<location id="774F3CF3FFF1FFAAEDA00F2BFDFCFA0B" LSID="urn:lsid:plazi:treatment:FA39DB3EFFFBFFA8ECFE0D12FDE1FE38:774F3CF3FFF1FFAAEDA00F2BFDFCFA0B" box="[470,518,1389,1415]" country="Antarctica" latitude="-62.2464" longLatPrecision="5" longitude="-58.6796" municipality="King George Island / Isla" name="Figs" pageId="8" pageNumber="45">Figs</location>
|
||||
24, 25
|
||||
</figureCitation>
|
||||
).
|
||||
</materialsCitation>
|
||||
</paragraph>
|
||||
</subSubSection>
|
||||
<subSubSection id="3A8A39A3FFF1FFAAECCB0FD7FE28FA43" pageId="8" pageNumber="45" type="etymology">
|
||||
<paragraph id="722F6A28FFF1FFAAECCB0FD7FE28FA43" blockId="8.[136,1452,1317,1955]" pageId="8" pageNumber="45">
|
||||
<emphasis id="40E4B63AFFF1FFAAECCB0FD7FEB2FA27" bold="true" box="[189,328,1425,1451]" pageId="8" pageNumber="45">Etymology:</emphasis>
|
||||
The specific epithet
|
||||
<taxonomicName id="B59011ABFFF1FFAAEE350FD7FD41FA27" box="[579,699,1425,1451]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="variabilis">
|
||||
“
|
||||
<emphasis id="40E4B63AFFF1FFAAEE260FD7FD41FA27" box="[592,699,1425,1451]" italics="true" pageId="8" pageNumber="45">variabilis</emphasis>
|
||||
</taxonomicName>
|
||||
” refers to the high variability in several morphological features exhibited by the new species.
|
||||
</paragraph>
|
||||
</subSubSection>
|
||||
<subSubSection id="3A8A39A3FFF1FFAAECCB0F9FFBA8F8BB" pageId="8" pageNumber="45" type="biology_ecology">
|
||||
<paragraph id="722F6A28FFF1FFAAECCB0F9FFBA8F8BB" blockId="8.[136,1452,1317,1955]" pageId="8" pageNumber="45">
|
||||
<emphasis id="40E4B63AFFF1FFAAECCB0F9FFD8AFA7F" bold="true" box="[189,624,1497,1523]" pageId="8" pageNumber="45">Ecology and associated diatom flora:</emphasis>
|
||||
<taxonomicName id="B59011ABFFF1FFAAEE030F9FFC9BFA7F" box="[629,865,1497,1523]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="variabilis">
|
||||
<emphasis id="40E4B63AFFF1FFAAEE030F9FFC9BFA7F" box="[629,865,1497,1523]" italics="true" pageId="8" pageNumber="45">Orthoseira variabilis</emphasis>
|
||||
</taxonomicName>
|
||||
was found in dusty snow and associated with mosses in a circumscribed coastal area. The accompanying flora is mostly composed of taxa usually living in aerophilic environments such as several species of
|
||||
<taxonomicName id="B59011ABFFF1FFAAEE370C67FBB7F9B0" authority="Lange-Bertalot & Krammer" authorityName="Lange-Bertalot & Krammer" box="[577,1101,1569,1596]" class="Bacillariophyceae" family="Naviculaceae" genus="Chamaepinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="genus">
|
||||
<emphasis id="40E4B63AFFF1FFAAEE370C67FCEFF9B7" box="[577,789,1569,1595]" italics="true" pageId="8" pageNumber="45">Chamaepinnularia</emphasis>
|
||||
Lange-Bertalot & Krammer
|
||||
</taxonomicName>
|
||||
(in
|
||||
<bibRefCitation id="160117D9FFF1FFAAE8010C67FF08F9D3" author="Lange-Bertalot, H. & Metzeltin, D." pageId="8" pageNumber="45" pagination="1 - 390" refId="ref8622" refString="Lange-Bertalot, H. & Metzeltin, D. (1996) Indicators of oligotrophy. 800 taxa representative of three ecologically distinct lake types, carbonate buffered-Oligodystrophic-weakly buffered soft water. Iconographia Diatomologica 2: 1 - 390." type="journal article" year="1996">Lange-Bertalot & Metzeltin 1996: 32</bibRefCitation>
|
||||
),
|
||||
<taxonomicName id="B59011ABFFF1FFAAED7C0C03FBC1F9EC" authority="(Lange-Bertalot & Werum) R. L. Lowe & al. (2014: 352)" authorityName="R. L. Lowe" authorityYear="2014" baseAuthorityName="Lange-Bertalot & Werum" box="[266,1083,1605,1632]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Humidophila" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="genus">
|
||||
<emphasis id="40E4B63AFFF1FFAAED7C0C03FE64F9D3" box="[266,414,1605,1631]" italics="true" pageId="8" pageNumber="45">Humidophila</emphasis>
|
||||
(Lange-Bertalot & Werum) R.L.
|
||||
<bibRefCitation id="160117D9FFF1FFAAEF6D0C00FBC1F9EC" author="Lowe, R. L. & Kociolek, P. & Johansen, J. R. & Van de Vijver, B. & Lange-Bertalot, H. & Kopalova, K." box="[795,1083,1605,1632]" pageId="8" pageNumber="45" pagination="351 - 360" refId="ref8662" refString="Lowe, R. L., Kociolek, P., Johansen, J. R., Van de Vijver, B., Lange-Bertalot, H. & Kopalova, K. (2014) Humidophila gen. nov., a new genus for a group of diatoms (Bacillariophyta) formerly within the genus Diadesmis: species from Hawai'i, including one new species. Diatom Research 29: 351 - 360. https: // doi. org / 10.1080 / 0269249 X. 2014.889039" type="journal article" year="2014">Lowe & al. (2014: 352)</bibRefCitation>
|
||||
</taxonomicName>
|
||||
,
|
||||
<taxonomicName id="B59011ABFFF1FFAAE83D0C03FAD6F9D3" authority="D. G. Mann" authorityName="D. G. Mann" box="[1099,1324,1605,1631]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Bacillariophyta" rank="genus">
|
||||
<emphasis id="40E4B63AFFF1FFAAE83D0C03FB52F9D3" box="[1099,1192,1605,1631]" italics="true" pageId="8" pageNumber="45">Luticola</emphasis>
|
||||
D.G.Mann
|
||||
</taxonomicName>
|
||||
(in
|
||||
<bibRefCitation id="160117D9FFF1FFAAE9170C03FEBCF90F" author="Round, F. E. & Crawford, R. M. & Mann, D. G." pageId="8" pageNumber="45" refId="ref9207" refString="Round, F. E., Crawford, R. M. & Mann, D. G. (1990) The Diatoms. Biology & morphology of the genera. Cambridge University Press, Cambridge, 747 pp." type="book" year="1990">
|
||||
Round
|
||||
<emphasis id="40E4B63AFFF1FFAAECFE0C2CFF3EF90F" box="[136,196,1641,1667]" italics="true" pageId="8" pageNumber="45">et al.</emphasis>
|
||||
1990: 670
|
||||
</bibRefCitation>
|
||||
), together with
|
||||
<taxonomicName id="B59011ABFFF1FFAAED890C2FFC0CF90F" authority="(Ehrenberg) Grunow" authorityName="Grunow" authorityYear="1880" baseAuthorityName="Ehrenberg" box="[511,1014,1641,1667]" class="Eurotiomycetes" genus="Hantzschia" kingdom="Fungi" order="Eurotiales" pageId="8" pageNumber="45" phylum="Ascomycota" rank="species" species="amphioxys">
|
||||
<emphasis id="40E4B63AFFF1FFAAED890C2FFD05F90F" box="[511,767,1641,1667]" italics="true" pageId="8" pageNumber="45">Hantzschia amphioxys</emphasis>
|
||||
(Ehrenberg) Grunow
|
||||
</taxonomicName>
|
||||
(in
|
||||
<bibRefCitation id="160117D9FFF1FFAAE85F0C2FFA8AF90F" author="Cleve, P. T. & Grunow, A." box="[1065,1392,1641,1667]" pageId="8" pageNumber="45" pagination="1 - 121" refId="ref7050" refString="Cleve, P. T. & Grunow, A. (1880) Beitrage zur Kenntniss der Arctischen Diatomeen. Kongliga Svenska-Vetenskaps Akademiens Handlingar 17: 1 - 121." type="journal article" year="1880">Cleve & Grunow 1880: 103</bibRefCitation>
|
||||
) and
|
||||
<taxonomicName id="B59011ABFFF1FFAAECFE0CCBFD8AF92B" authority="Ehrenberg (1843: 420)" authorityName="Ehrenberg" authorityPageNumber="420" authorityYear="1843" box="[136,624,1677,1703]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="borealis">
|
||||
<emphasis id="40E4B63AFFF1FFAAECFE0CCBFE9FF92B" box="[136,357,1677,1703]" italics="true" pageId="8" pageNumber="45">Pinnularia borealis</emphasis>
|
||||
<bibRefCitation id="160117D9FFF1FFAAED1B0CCBFD8AF92B" author="Ehrenberg, C. G." box="[365,624,1677,1703]" pageId="8" pageNumber="45" pagination="291 - 445" refId="ref7283" refString="Ehrenberg, C. G. (1843) Verbreitung und Einfluss des mikroskopischen Lebens in Sud- und Nord-Amerika. Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin 1841: 291 - 445." type="journal article" year="1843">Ehrenberg (1843: 420)</bibRefCitation>
|
||||
</taxonomicName>
|
||||
, among others. Marine diatom species such as
|
||||
<taxonomicName id="B59011ABFFF1FFAAE8FF0CCBFE29F947" authority="(Van Heurck) Hustedt (1958: 160)" authorityName="Hustedt" authorityPageNumber="160" authorityYear="1958" baseAuthorityName="Van Heurck" class="Bacillariophyceae" family="Bacillariaceae" genus="Fragilariopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="curta">
|
||||
<emphasis id="40E4B63AFFF1FFAAE8FF0CCBFA94F92B" box="[1161,1390,1677,1703]" italics="true" pageId="8" pageNumber="45">Fragilariopsis curta</emphasis>
|
||||
(Van Heurck)
|
||||
<bibRefCitation id="160117D9FFF1FFAAEC9A0CF7FE29F947" author="Hustedt, F." box="[236,467,1713,1740]" pageId="8" pageNumber="45" pagination="103 - 191" refId="ref7894" refString="Hustedt, F. (1958) Diatomeen aus der Antarktis und dem Sudatlantik. Deutsche Antarktische Expedition 1938 / 1939. Geographischkartographische Anstalt Mundus, Hamburg 2: 103 - 191." type="journal article" year="1958">Hustedt (1958: 160)</bibRefCitation>
|
||||
</taxonomicName>
|
||||
,
|
||||
<taxonomicName id="B59011ABFFF1FFAAED960CF4FB4EF947" authority="(Grunow ex Cleve) Helmcke & Krieger (1954: 17)" authorityName="Helmcke & Krieger" authorityPageNumber="17" authorityYear="1954" baseAuthorityName="Cleve" box="[480,1204,1713,1740]" class="Bacillariophyceae" family="Bacillariaceae" genus="Fragilariopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="cylindrus">
|
||||
<emphasis id="40E4B63AFFF1FFAAED960CF4FD9FF947" box="[480,613,1713,1739]" italics="true" pageId="8" pageNumber="45">F. cylindrus</emphasis>
|
||||
(Grunow ex Cleve)
|
||||
<bibRefCitation id="160117D9FFF1FFAAEF240CF7FB4EF947" author="Helmcke, J. - G. & Krieger, W." box="[850,1204,1713,1740]" pageId="8" pageNumber="45" pagination="1 - 24" refId="ref7822" refString="Helmcke, J. - G. & Krieger, W. (1954) Diatomeenschalen im Elektronenmikroskopischen Bild. Bild und Forschung. Abteilung Biologie, Berlin-Wilmersdorf 2: 1 - 24." type="journal article" year="1954">Helmcke & Krieger (1954: 17)</bibRefCitation>
|
||||
</taxonomicName>
|
||||
,
|
||||
<taxonomicName id="B59011ABFFF1FFAAE8B40CF7FE07F963" authority="(Grunow) Medlin" authorityName="Medlin" baseAuthorityName="Grunow" class="Bacillariophyceae" family="Naviculaceae" genus="Pseudogomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="kamtschaticum">
|
||||
<emphasis id="40E4B63AFFF1FFAAE8B40CF7FECAF963" italics="true" pageId="8" pageNumber="45">Pseudogomphonema kamtschaticum</emphasis>
|
||||
(Grunow) Medlin
|
||||
</taxonomicName>
|
||||
(in
|
||||
<bibRefCitation id="160117D9FFF1FFAAEE5C0C93FC9EF963" author="Medlin, L. K. & Round, F. E." box="[554,868,1749,1775]" pageId="8" pageNumber="45" pagination="205 - 225" refId="ref8862" refString="Medlin, L. K. & Round, F. E. (1986) Taxonomic studies of marine gomphonemoid diatoms. Diatom Research 1: 205 - 225. https: // doi. org / 10.1080 / 0269249 X. 1986.9704970" type="journal article" year="1986">Medlin & Round 1986: 216</bibRefCitation>
|
||||
),
|
||||
<taxonomicName id="B59011ABFFF1FFAAEF0E0C93FE9DF898" authority="(Karsten) Alverson, Kang & Theriot (2006: 259)" authorityName="Alverson, Kang & Theriot" authorityPageNumber="259" authorityYear="2006" baseAuthorityName="Karsten" class="Bacillariophyceae" family="Thalassiosiraceae" genus="Shionodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="gracilis">
|
||||
<emphasis id="40E4B63AFFF1FFAAEF0E0C93FB92F963" box="[888,1128,1749,1775]" italics="true" pageId="8" pageNumber="45">Shionodiscus gracilis</emphasis>
|
||||
(Karsten)
|
||||
<bibRefCitation id="160117D9FFF1FFAAE8A80C93FE9DF898" author="Alverson, A. J. & Kang, S. - H. & Theriot, E. C." pageId="8" pageNumber="45" pagination="251 - 262" refId="ref6853" refString="Alverson, A. J., Kang, S. - H. & Theriot, E. C. (2006) Cell wall morphology and systematic importance of Thalassiosira ritscheri (Hustedt) Hasle, with a description of Shionodiscus gen. nov. Diatom Research 21: 251 - 262. https: // doi. org / 10.1080 / 0269249 X. 2006.9705667" type="journal article" year="2006">Alverson, Kang & Theriot (2006: 259)</bibRefCitation>
|
||||
</taxonomicName>
|
||||
and
|
||||
<taxonomicName id="B59011ABFFF1FFAAEDE80CBCFAC3F898" authority="(VanLandingham) Alverson, Kang & Theriot (2006: 259)" authorityName="Alverson, Kang & Theriot" authorityPageNumber="259" authorityYear="2006" baseAuthorityName="VanLandingham" box="[414,1337,1785,1812]" class="Bacillariophyceae" family="Thalassiosiraceae" genus="Shionodiscus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="variety" species="gracilis" variety="expectus">
|
||||
<emphasis id="40E4B63AFFF1FFAAEDE80CBCFDEBF89F" box="[414,529,1785,1812]" italics="true" pageId="8" pageNumber="45">S. gracilis</emphasis>
|
||||
var.
|
||||
<emphasis id="40E4B63AFFF1FFAAEE3F0CBCFD53F89F" box="[585,681,1786,1811]" italics="true" pageId="8" pageNumber="45">expectus</emphasis>
|
||||
(VanLandingham)
|
||||
<bibRefCitation id="160117D9FFF1FFAAEFF50CBFFAC3F898" author="Alverson, A. J. & Kang, S. - H. & Theriot, E. C." box="[899,1337,1785,1812]" pageId="8" pageNumber="45" pagination="251 - 262" refId="ref6853" refString="Alverson, A. J., Kang, S. - H. & Theriot, E. C. (2006) Cell wall morphology and systematic importance of Thalassiosira ritscheri (Hustedt) Hasle, with a description of Shionodiscus gen. nov. Diatom Research 21: 251 - 262. https: // doi. org / 10.1080 / 0269249 X. 2006.9705667" type="journal article" year="2006">Alverson, Kang & Theriot (2006: 259)</bibRefCitation>
|
||||
</taxonomicName>
|
||||
were also observed denoting a marine influence presumably through wind and sea spray aerosol.
|
||||
</paragraph>
|
||||
</subSubSection>
|
||||
<subSubSection id="3A8A39A3FFF1FFA8ECCB0D07FDE1FE38" lastPageId="10" lastPageNumber="47" pageId="8" pageNumber="45" type="discussion">
|
||||
<paragraph id="722F6A28FFF1FFAAECCB0D07FE31F82F" blockId="8.[136,1452,1317,1955]" pageId="8" pageNumber="45">
|
||||
<emphasis id="40E4B63AFFF1FFAAECCB0D07FECEF8D7" bold="true" box="[189,308,1857,1883]" pageId="8" pageNumber="45">Remarks:</emphasis>
|
||||
Some specimens exhibited on their valve faces patches of smooth areas (
|
||||
<figureCitation id="EAAB76ADFFF1FFAAE8D40D07FAD1F8D0" box="[1186,1323,1857,1884]" captionStart="FIGURES 49–60" captionStartId="5.[136,243,1797,1819]" captionTargetBox="[151,1436,190,1773]" captionTargetId="figure-18@5.[151,1436,190,1773]" captionTargetPageId="5" captionText="FIGURES 49–60. Orthoseira variabilis sp. nov. SEM. Specimens in external view. Figs 49–54. Whole valve views; the arrow in Fig. 52 indicates a patch of smooth area. Figs 55–59. Details of valve surface, showing carinoportulae (Figs 55–56), areolar structure (Figs 56–58), a patch of smooth area (Fig. 58) and marginal spines (Fig. 59, white arrowheads). Fig.60. Mantle view; note the conic spines at the margin (black arrowheads). Figs 55 and 57 are details of Fig. 53; Fig. 55, rotated. Fig. 56 is a detail of Fig. 54, rotated. Fig. 58 is a detail of Fig. 52, rotated. Fig. 59 is a detail of Fig. 50. Scale bar: 10 µm (Figs 49–54), 5 µm (Fig. 60), 2 µm (Figs 55–59)." figureDoi="http://doi.org/10.5281/zenodo.13217187" httpUri="https://zenodo.org/record/13217187/files/figure.png" pageId="8" pageNumber="45">Figs 52, 58</figureCitation>
|
||||
) that were interpreted as two layers of silica deposition, the upper one being responsible for the spiny rims and rings that surround the external areola openings.
|
||||
</paragraph>
|
||||
<caption id="26EF3AA0FFF0FFABECFE0DC2FD72F789" ID-DOI="http://doi.org/10.5281/zenodo.13217195" ID-Zenodo-Dep="13217195" httpUri="https://zenodo.org/record/13217195/files/figure.png" pageId="9" pageNumber="46" startId="9.[136,243,1924,1946]" targetBox="[151,1435,190,1899]" targetPageId="9" targetType="figure">
|
||||
<paragraph id="722F6A28FFF0FFABECFE0DC2FD72F789" blockId="9.[136,1452,1924,2054]" pageId="9" pageNumber="46">
|
||||
<emphasis id="40E4B63AFFF0FFABECFE0DC2FEC6F815" bold="true" box="[136,316,1924,1946]" pageId="9" pageNumber="46">FIGURES 85–94.</emphasis>
|
||||
<emphasis id="40E4B63AFFF0FFABED320DC2FD9FF816" box="[324,613,1924,1946]" italics="true" pageId="9" pageNumber="46">
|
||||
<taxonomicName id="B59011ABFFF0FFABED320DC2FDE8F815" box="[324,530,1924,1945]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="9" pageNumber="46" phylum="Ochrophyta" rank="species" species="variabilis" status="sp. nov.">Orthoseira variabilis</taxonomicName>
|
||||
<taxonomicNameLabel id="5BD70B41FFF0FFABEE6F0DC3FD9FF816" box="[537,613,1925,1946]" pageId="9" pageNumber="46" rank="species">sp. nov.</taxonomicNameLabel>
|
||||
</emphasis>
|
||||
Figs 85–92. LM. Initial cells. Figs 85–87. Girdle view. Figs 88–92. Valve view. Figs 93–94. SEM. Initial valve. Fig. 93. General view. Fig. 94. Detail of central area of specimen in Fig. 93, rotated; note the numerous and incompletely developed carinoportulae. Figures marked with “=” are the same valves with a different focus. Scale bar: 10 µm (Figs 85–93; scale bar is the same for Figs 85–92), 5 µm (Fig. 94).
|
||||
</paragraph>
|
||||
</caption>
|
||||
<paragraph id="722F6A28FFF3FFA8ECCB0AD8FDE1FE38" blockId="10.[136,1452,158,437]" pageId="10" pageNumber="47">
|
||||
Some initial valves and initial cells were observed (
|
||||
<figureCitation id="EAAB76ADFFF3FFA8EE860AD8FC8BFF35" box="[752,881,158,185]" captionStart="FIGURES 85–94" captionStartId="9.[136,243,1924,1946]" captionTargetBox="[151,1435,190,1899]" captionTargetId="figure-18@9.[151,1435,190,1899]" captionTargetPageId="9" captionText="FIGURES 85–94. Orthoseira variabilis sp. nov. Figs 85–92. LM. Initial cells. Figs 85–87. Girdle view. Figs 88–92. Valve view. Figs 93–94. SEM. Initial valve. Fig. 93. General view. Fig. 94. Detail of central area of specimen in Fig. 93, rotated; note the numerous and incompletely developed carinoportulae. Figures marked with “=” are the same valves with a different focus. Scale bar: 10 µm (Figs 85–93; scale bar is the same for Figs 85–92), 5 µm (Fig. 94)." figureDoi="http://doi.org/10.5281/zenodo.13217195" httpUri="https://zenodo.org/record/13217195/files/figure.png" pageId="10" pageNumber="47">Figs 85–94</figureCitation>
|
||||
), with clearly convex valve face (
|
||||
<figureCitation id="EAAB76ADFFF3FFA8E8A90AD8FA9AFF35" box="[1247,1376,158,185]" captionStart="FIGURES 85–94" captionStartId="9.[136,243,1924,1946]" captionTargetBox="[151,1435,190,1899]" captionTargetId="figure-18@9.[151,1435,190,1899]" captionTargetPageId="9" captionText="FIGURES 85–94. Orthoseira variabilis sp. nov. Figs 85–92. LM. Initial cells. Figs 85–87. Girdle view. Figs 88–92. Valve view. Figs 93–94. SEM. Initial valve. Fig. 93. General view. Fig. 94. Detail of central area of specimen in Fig. 93, rotated; note the numerous and incompletely developed carinoportulae. Figures marked with “=” are the same valves with a different focus. Scale bar: 10 µm (Figs 85–93; scale bar is the same for Figs 85–92), 5 µm (Fig. 94)." figureDoi="http://doi.org/10.5281/zenodo.13217195" httpUri="https://zenodo.org/record/13217195/files/figure.png" pageId="10" pageNumber="47">Figs 85–87</figureCitation>
|
||||
), more irregularly arranged striae composed of rimmed areolae, an irregularly-shaped, somewhat bilobate central area, and numerous (up to eight) carinoportulae with incompletely developed collar (
|
||||
<figureCitation id="EAAB76ADFFF3FFA8EF960AA0FB9FFE8C" box="[992,1125,230,256]" captionStart="FIGURES 85–94" captionStartId="9.[136,243,1924,1946]" captionTargetBox="[151,1435,190,1899]" captionTargetId="figure-18@9.[151,1435,190,1899]" captionTargetPageId="9" captionText="FIGURES 85–94. Orthoseira variabilis sp. nov. Figs 85–92. LM. Initial cells. Figs 85–87. Girdle view. Figs 88–92. Valve view. Figs 93–94. SEM. Initial valve. Fig. 93. General view. Fig. 94. Detail of central area of specimen in Fig. 93, rotated; note the numerous and incompletely developed carinoportulae. Figures marked with “=” are the same valves with a different focus. Scale bar: 10 µm (Figs 85–93; scale bar is the same for Figs 85–92), 5 µm (Fig. 94)." figureDoi="http://doi.org/10.5281/zenodo.13217195" httpUri="https://zenodo.org/record/13217195/files/figure.png" pageId="10" pageNumber="47">Figs 88–94</figureCitation>
|
||||
).
|
||||
<bibRefCitation id="160117D9FFF3FFA8E80F0AA0FACDFE8C" author="Crawford, R. M." box="[1145,1335,230,256]" pageId="10" pageNumber="47" pagination="174 - 192" refId="ref7081" refString="Crawford, R. M. (1981) The diatom genus Aulacoseira Thwaites: its structure and taxonomy. Phycologia 20: 174 - 192. https: // doi. org / 10.2216 / i 0031 - 8884 - 20 - 2 - 174.1" type="journal article" year="1981">Crawford (1981)</bibRefCitation>
|
||||
described initial valves as structurally similar to vegetative valves except that they are hemispherical in shape, without distinction between valve face and mantle, and lack spines. He illustrated in his figs 52-55 initial valves of
|
||||
<taxonomicName id="B59011ABFFF3FFA8E8A30B68FA83FEC5" box="[1237,1401,302,329]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" kingdom="Chromista" order="Orthoseirales" pageId="10" pageNumber="47" phylum="Ochrophyta" rank="species" species="undetermined">
|
||||
<emphasis id="40E4B63AFFF3FFA8E8A30B68FAAAFEC4" box="[1237,1360,302,328]" italics="true" pageId="10" pageNumber="47">Orthoseira</emphasis>
|
||||
sp.
|
||||
</taxonomicName>
|
||||
that also exhibit a central area with two groups of carinoportulae. Similarly,
|
||||
<bibRefCitation id="160117D9FFF3FFA8EFA40B15FAE2FEE0" author="Roemer, S. C. & Rosowski, J. R." box="[978,1304,338,365]" pageId="10" pageNumber="47" pagination="399 - 411" refId="ref9140" refString="Roemer, S. C. & Rosowski, J. R. (1980) Valve and band morphology of some freshwater diatoms. III. Pre- and post-auxospore frustules and the initial cell of Melosira roeseana. Journal of Phycology 16: 399 - 411. https: // doi. org / 10.1111 / j. 1529 - 8817.1980. tb 03052. x" type="journal article" year="1980">Roemer & Rosowski (1980)</bibRefCitation>
|
||||
documented hemispherical initial valves of
|
||||
<taxonomicName id="B59011ABFFF3FFA8ED830B30FD8AFE1C" box="[501,624,374,400]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="10" pageNumber="47" phylum="Ochrophyta" rank="genus">
|
||||
<emphasis id="40E4B63AFFF3FFA8ED830B30FD8AFE1C" box="[501,624,374,400]" italics="true" pageId="10" pageNumber="47">Orthoseira</emphasis>
|
||||
</taxonomicName>
|
||||
(=
|
||||
<taxonomicName id="B59011ABFFF3FFA8EED70B30FCFCFE1C" authorityName="C.A Agardh" authorityYear="1824" box="[673,774,374,400]" class="Bacillariophyceae" family="Melosiraceae" genus="Melosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Melosirales" pageId="10" pageNumber="47" phylum="Ochrophyta" rank="genus">
|
||||
<emphasis id="40E4B63AFFF3FFA8EED70B30FCFCFE1C" box="[673,774,374,400]" italics="true" pageId="10" pageNumber="47">Melosira</emphasis>
|
||||
</taxonomicName>
|
||||
)
|
||||
<taxonomicName id="B59011ABFFF3FFA8EF6A0B31FC78FE1C" authorityName="Pfitzer" authorityYear="1871" baseAuthorityName="Rabenhorst" box="[796,898,375,400]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="10" pageNumber="47" phylum="Ochrophyta" rank="species" species="roeseana">
|
||||
<emphasis id="40E4B63AFFF3FFA8EF6A0B31FC78FE1C" box="[796,898,375,400]" italics="true" pageId="10" pageNumber="47">roeseana</emphasis>
|
||||
</taxonomicName>
|
||||
with multiple (4–10) carinoportulae which are reduced to
|
||||
<quantity id="B568C7CDFFF3FFA8ED720BDCFEB1FE38" box="[260,331,410,436]" metricMagnitude="-2" metricUnit="m" metricValue="8.89" metricValueMax="10.16" metricValueMin="7.62" pageId="10" pageNumber="47" unit="in" value="3.5" valueMax="4.0" valueMin="3.0">3–4 in</quantity>
|
||||
vegetative valves.
|
||||
</paragraph>
|
||||
</subSubSection>
|
||||
</treatment>
|
||||
</document>
|
||||
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Reference in a new issue