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<document id="3BB1166545FF23F54D0000FA88F4DBDC" ID-CLB-Dataset="96827" ID-DOI="10.11646/phytotaxa.554.3.5" ID-GBIF-Dataset="f8592ecf-76e9-4df5-a9c6-1316b935d6d5" ID-ISSN="1179-3163" ID-Zenodo-Dep="6831564" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1657783200412" checkinUser="plazi" docAuthor="Shea, Rachel, Greifenstein, Jeremy &amp; Kociolek, J. P." docDate="2022" docId="03F3C37F1801F954D5C2FA8DFB78E510" docLanguage="en" docName="phytotaxa.554.3.5.pdf" docOrigin="Phytotaxa 554 (3)" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Luticola coloradiana Shea, Greifenstein &amp; Kociolek 2022, sp. nov." docType="treatment" docVersion="8" lastPageNumber="273" masterDocId="FFCABB071800F950D54AFFDDFF89ED37" masterDocTitle="Valve Ultrastructure and Description of a new Luticola D. G. Mann (Bacillariophyceae) species from Colorado, USA" masterLastPageNumber="277" masterPageNumber="269" pageNumber="270" updateTime="1699358957272" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="9B075AF1EC59316DC372CE0FE38F92C8">Valve Ultrastructure and Description of a new Luticola D. G. Mann (Bacillariophyceae) species from Colorado, USA</mods:title>
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<mods:namePart id="2ADD2B35172F1D89D572292B129C93E7">Shea, Rachel</mods:namePart>
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<mods:affiliation id="D9107FA72482CDEC23F29A6E6945F2D9">Rachel. Shea @ colorado. edu; https: // orcid. org / 0000 - 0002 - 4030 - 2244</mods:affiliation>
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<mods:affiliation id="7B3844400404AA5A2BC114F42B7BFBF7">Jeremy. Greifenstein @ Colorado. edu; https: // orcid. org / 0000 - 0002 - 2252 - 5495</mods:affiliation>
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<mods:namePart id="FBB5CBC24B23AE9D0BAA41A1E7FA47D6">Kociolek, J. P.</mods:namePart>
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<mods:affiliation id="17E4F310B9D7D90CA3AAFC3E7D51E0E6">patrick. kociolek @ colorado. edu; https: // orcid. org / 0000 - 0001 - 9824 - 7164</mods:affiliation>
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<treatment id="03F3C37F1801F954D5C2FA8DFB78E510" ID-DOI="http://doi.org/10.5281/zenodo.6840213" ID-GBIF-Taxon="197542086" ID-Zenodo-Dep="6840213" LSID="urn:lsid:plazi:treatment:03F3C37F1801F954D5C2FA8DFB78E510" httpUri="http://treatment.plazi.org/id/03F3C37F1801F954D5C2FA8DFB78E510" lastPageId="4" lastPageNumber="273" pageId="1" pageNumber="270">
<subSubSection id="C34021E21801F951D5C2FA8DFC69E85D" box="[136,992,1360,1387]" pageId="1" pageNumber="270" type="nomenclature">
<paragraph id="8BE572691801F951D5C2FA8DFC69E85D" blockId="1.[136,992,1324,1387]" box="[136,992,1360,1387]" pageId="1" pageNumber="270">
<emphasis id="B92EAE7B1801F951D5C2FA8DFCDFE85D" bold="true" box="[136,854,1360,1387]" pageId="1" pageNumber="270">
<taxonomicName id="4C5A09EA1801F951D5C2FA8DFD7AE85D" authority="Shea, Greifenstein &amp; Kociolek" authorityName="Shea, Greifenstein &amp; Kociolek" authorityYear="2022" box="[136,755,1360,1387]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="1" pageNumber="270" phylum="Bacillariophyta" rank="species" species="coloradiana" status="sp. nov.">
<emphasis id="B92EAE7B1801F951D5C2FA8DFEF3E85C" bold="true" box="[136,378,1360,1387]" italics="true" pageId="1" pageNumber="270">Luticola coloradiana</emphasis>
, Shea, Greifenstein &amp; Kociolek
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,
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<taxonomicNameLabel id="A21D13001801F951D64AFA8DFCDFE85D" box="[768,854,1360,1386]" pageId="1" pageNumber="270" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
(
<figureCitation id="13616EEC1801F951D62CFA8DFC5FE85D" box="[870,982,1360,1386]" captionStart-0="FIGURES 18" captionStart-1="FIGURES 911" captionStart-2="FIGURES 1215" captionStart-3="FIGURES 1619" captionStartId-0="2.[136,243,1925,1947]" captionStartId-1="3.[136,243,1953,1975]" captionStartId-2="4.[136,243,1560,1582]" captionStartId-3="5.[136,243,1732,1754]" captionTargetBox-0="[151,1436,314,1898]" captionTargetBox-1="[230,1355,190,1928]" captionTargetBox-2="[158,1430,190,1532]" captionTargetBox-3="[170,1416,190,1701]" captionTargetId-0="figure-95@2.[151,1436,314,1898]" captionTargetId-1="figure-19@3.[230,1358,190,1928]" captionTargetId-2="figure-25@4.[158,1430,190,1535]" captionTargetId-3="figure-19@5.[170,1416,190,1707]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionText-0="FIGURES 18. Luticola coloradiana, sp. nov.Light microscopy.Valve views. Size diminution series.All specimens are from the holotype slide. Scale bar = 10 µm for all images." captionText-1="FIGURES 911. Luticola coloradiana, sp. nov. Scanning electron microscopy. External valve views. Figures 911. Valves demonstrate rugose nature of the valve face. Striae appear interrupted longitudinally. Proximal raphe ends are deflected towards the same side; stigma opening is positioned on the opposite side. In figures 10 and 11, the margin of the valves has an elevated ridge. In figure 11 the mantle of the valve has a series of elongated areolae. Scale bars = 5 µm." captionText-2="FIGURES 1215. Luticola coloradiana, sp. nov. Scanning electron microscopy. External views. Fig. 12. Central area with deflected external proximal raphe ends.Arrow indicates stigma opening. Scale bar = 1.5 µm. Fig. 13. Showing many depressions in the central area, many of which also have very small, rounded granules. Scale bar = 1.5 µm. Fig. 14. External distal raphe end is hooked and extends onto the mantle. Scale bar = 1.0 µm. Fig. 15. Girdle view of the end of the valve. Elevated ridge around the margin of the valve is evident. There is a row of elongated areolae which have a row of smaller areolae positioned towards the valve. Cingulum elements have a row of poroids. Scale bar = 2.5 µm." captionText-3="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi-0="http://doi.org/10.5281/zenodo.6831566" figureDoi-1="http://doi.org/10.5281/zenodo.6831568" figureDoi-2="http://doi.org/10.5281/zenodo.6831572" figureDoi-3="http://doi.org/10.5281/zenodo.6831574" httpUri-0="https://zenodo.org/record/6831566/files/figure.png" httpUri-1="https://zenodo.org/record/6831568/files/figure.png" httpUri-2="https://zenodo.org/record/6831572/files/figure.png" httpUri-3="https://zenodo.org/record/6831574/files/figure.png" pageId="1" pageNumber="270">Figs 119</figureCitation>
)
</paragraph>
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<subSubSection id="C34021E21801F952D5C2FA45FDECEC13" lastPageId="2" lastPageNumber="271" pageId="1" pageNumber="270" type="description">
<paragraph id="8BE572691801F951D5C2FA45FECBEB28" blockId="1.[136,1452,1432,2071]" pageId="1" pageNumber="270">
Description: In LM (
<figureCitation id="13616EEC1801F951D43BFA45FE5DE885" box="[369,468,1432,1458]" captionStart="FIGURES 18" captionStartId="2.[136,243,1925,1947]" captionTargetBox="[151,1436,314,1898]" captionTargetId="figure-95@2.[151,1436,314,1898]" captionTargetPageId="2" captionText="FIGURES 18. Luticola coloradiana, sp. nov.Light microscopy.Valve views. Size diminution series.All specimens are from the holotype slide. Scale bar = 10 µm for all images." figureDoi="http://doi.org/10.5281/zenodo.6831566" httpUri="https://zenodo.org/record/6831566/files/figure.png" pageId="1" pageNumber="270">Figs 18</figureCitation>
) valves are rhombic-lanceolate to rhombic in smaller specimens. Valves measure 23.0 70.0 µm in length, 11.018.5 µm in breadth. Raphe branches are axial, along the apical axis. Isolated stigma near center of valve. Striae radiate outwards, non-uniform in appearance, often becoming smaller close to valve margin,
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10 µm.
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<paragraph id="8BE572691801F951D5F7F9F4FE3AEA9D" blockId="1.[136,1452,1432,2071]" pageId="1" pageNumber="270">
In the SEM, the valve exterior has a rugose appearance, formed by thickened ridges running longitudinally along the apical axis of the valve and by areolae being located in depressions on the valve face (
<figureCitation id="13616EEC1801F951D1CAF991FB7DEB51" box="[1152,1268,1612,1638]" captionStart="FIGURES 911" captionStartId="3.[136,243,1953,1975]" captionTargetBox="[230,1355,190,1928]" captionTargetId="figure-19@3.[230,1358,190,1928]" captionTargetPageId="3" captionText="FIGURES 911. Luticola coloradiana, sp. nov. Scanning electron microscopy. External valve views. Figures 911. Valves demonstrate rugose nature of the valve face. Striae appear interrupted longitudinally. Proximal raphe ends are deflected towards the same side; stigma opening is positioned on the opposite side. In figures 10 and 11, the margin of the valves has an elevated ridge. In figure 11 the mantle of the valve has a series of elongated areolae. Scale bars = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.6831568" httpUri="https://zenodo.org/record/6831568/files/figure.png" pageId="1" pageNumber="270">Figs 911</figureCitation>
). Areola density 1114 / 10 µm. There is an elevated ridge running around the entire margin of the valve (
<figureCitation id="13616EEC1801F951D1CCF9ADFB50EBBD" box="[1158,1241,1648,1674]" captionStart="FIGURES 911" captionStartId="3.[136,243,1953,1975]" captionTargetBox="[230,1355,190,1928]" captionTargetId="figure-19@3.[230,1358,190,1928]" captionTargetPageId="3" captionText="FIGURES 911. Luticola coloradiana, sp. nov. Scanning electron microscopy. External valve views. Figures 911. Valves demonstrate rugose nature of the valve face. Striae appear interrupted longitudinally. Proximal raphe ends are deflected towards the same side; stigma opening is positioned on the opposite side. In figures 10 and 11, the margin of the valves has an elevated ridge. In figure 11 the mantle of the valve has a series of elongated areolae. Scale bars = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.6831568" httpUri="https://zenodo.org/record/6831568/files/figure.png" pageId="1" pageNumber="270">Fig. 11</figureCitation>
). The axial area is straight, expanded slightly towards the central area, rectangular in shape and without areolae, only a single, small stigma opening (
<figureCitation id="13616EEC1801F951D408F965FE3EEBE5" box="[322,439,1720,1746]" captionStart-0="FIGURES 911" captionStart-1="FIGURES 1215" captionStartId-0="3.[136,243,1953,1975]" captionStartId-1="4.[136,243,1560,1582]" captionTargetBox-0="[230,1355,190,1928]" captionTargetBox-1="[158,1430,190,1532]" captionTargetId-0="figure-19@3.[230,1358,190,1928]" captionTargetId-1="figure-25@4.[158,1430,190,1535]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionText-0="FIGURES 911. Luticola coloradiana, sp. nov. Scanning electron microscopy. External valve views. Figures 911. Valves demonstrate rugose nature of the valve face. Striae appear interrupted longitudinally. Proximal raphe ends are deflected towards the same side; stigma opening is positioned on the opposite side. In figures 10 and 11, the margin of the valves has an elevated ridge. In figure 11 the mantle of the valve has a series of elongated areolae. Scale bars = 5 µm." captionText-1="FIGURES 1215. Luticola coloradiana, sp. nov. Scanning electron microscopy. External views. Fig. 12. Central area with deflected external proximal raphe ends.Arrow indicates stigma opening. Scale bar = 1.5 µm. Fig. 13. Showing many depressions in the central area, many of which also have very small, rounded granules. Scale bar = 1.5 µm. Fig. 14. External distal raphe end is hooked and extends onto the mantle. Scale bar = 1.0 µm. Fig. 15. Girdle view of the end of the valve. Elevated ridge around the margin of the valve is evident. There is a row of elongated areolae which have a row of smaller areolae positioned towards the valve. Cingulum elements have a row of poroids. Scale bar = 2.5 µm." figureDoi-0="http://doi.org/10.5281/zenodo.6831568" figureDoi-1="http://doi.org/10.5281/zenodo.6831572" httpUri-0="https://zenodo.org/record/6831568/files/figure.png" httpUri-1="https://zenodo.org/record/6831572/files/figure.png" pageId="1" pageNumber="270">Figs 913</figureCitation>
). The stigma opening is smaller than the areolae. The central area may also bear numerous small depressions that do not penetrate the valve (
<figureCitation id="13616EEC1801F951D7FBF901FC8AEBC1" box="[689,771,1756,1782]" captionStart="FIGURES 1215" captionStartId="4.[136,243,1560,1582]" captionTargetBox="[158,1430,190,1532]" captionTargetId="figure-25@4.[158,1430,190,1535]" captionTargetPageId="4" captionText="FIGURES 1215. Luticola coloradiana, sp. nov. Scanning electron microscopy. External views. Fig. 12. Central area with deflected external proximal raphe ends.Arrow indicates stigma opening. Scale bar = 1.5 µm. Fig. 13. Showing many depressions in the central area, many of which also have very small, rounded granules. Scale bar = 1.5 µm. Fig. 14. External distal raphe end is hooked and extends onto the mantle. Scale bar = 1.0 µm. Fig. 15. Girdle view of the end of the valve. Elevated ridge around the margin of the valve is evident. There is a row of elongated areolae which have a row of smaller areolae positioned towards the valve. Cingulum elements have a row of poroids. Scale bar = 2.5 µm." figureDoi="http://doi.org/10.5281/zenodo.6831572" httpUri="https://zenodo.org/record/6831572/files/figure.png" pageId="1" pageNumber="270">Fig. 13</figureCitation>
). The areolar depressions and the smaller, more shallow ones around the central area may have small granules in and around them. The raphe is straight, with proximal ends bent to one side (opposite the stigma) and distal ends bent in the same direction, opposite the direction of the proximal ends. The raphe slit is bordered by a thin rim of silica (
<figureCitation id="13616EEC1801F951D7E9F895FC9DEA55" box="[675,788,1864,1890]" captionStart="FIGURES 911" captionStartId="3.[136,243,1953,1975]" captionTargetBox="[230,1355,190,1928]" captionTargetId="figure-19@3.[230,1358,190,1928]" captionTargetPageId="3" captionText="FIGURES 911. Luticola coloradiana, sp. nov. Scanning electron microscopy. External valve views. Figures 911. Valves demonstrate rugose nature of the valve face. Striae appear interrupted longitudinally. Proximal raphe ends are deflected towards the same side; stigma opening is positioned on the opposite side. In figures 10 and 11, the margin of the valves has an elevated ridge. In figure 11 the mantle of the valve has a series of elongated areolae. Scale bars = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.6831568" httpUri="https://zenodo.org/record/6831568/files/figure.png" pageId="1" pageNumber="270">Figs 911</figureCitation>
,
<figureCitation id="13616EEC1801F951D655F895FCEEEA55" box="[799,871,1864,1890]" captionStart="FIGURES 1215" captionStartId="4.[136,243,1560,1582]" captionTargetBox="[158,1430,190,1532]" captionTargetId="figure-25@4.[158,1430,190,1535]" captionTargetPageId="4" captionText="FIGURES 1215. Luticola coloradiana, sp. nov. Scanning electron microscopy. External views. Fig. 12. Central area with deflected external proximal raphe ends.Arrow indicates stigma opening. Scale bar = 1.5 µm. Fig. 13. Showing many depressions in the central area, many of which also have very small, rounded granules. Scale bar = 1.5 µm. Fig. 14. External distal raphe end is hooked and extends onto the mantle. Scale bar = 1.0 µm. Fig. 15. Girdle view of the end of the valve. Elevated ridge around the margin of the valve is evident. There is a row of elongated areolae which have a row of smaller areolae positioned towards the valve. Cingulum elements have a row of poroids. Scale bar = 2.5 µm." figureDoi="http://doi.org/10.5281/zenodo.6831572" httpUri="https://zenodo.org/record/6831572/files/figure.png" pageId="1" pageNumber="270">12, 14</figureCitation>
). The mantle of the valve has a row of small poroids and a row of prominent, elongated poroids (
<figureCitation id="13616EEC1801F951D727F8B1FD49EAB0" box="[621,704,1900,1927]" captionStart="FIGURES 1215" captionStartId="4.[136,243,1560,1582]" captionTargetBox="[158,1430,190,1532]" captionTargetId="figure-25@4.[158,1430,190,1535]" captionTargetPageId="4" captionText="FIGURES 1215. Luticola coloradiana, sp. nov. Scanning electron microscopy. External views. Fig. 12. Central area with deflected external proximal raphe ends.Arrow indicates stigma opening. Scale bar = 1.5 µm. Fig. 13. Showing many depressions in the central area, many of which also have very small, rounded granules. Scale bar = 1.5 µm. Fig. 14. External distal raphe end is hooked and extends onto the mantle. Scale bar = 1.0 µm. Fig. 15. Girdle view of the end of the valve. Elevated ridge around the margin of the valve is evident. There is a row of elongated areolae which have a row of smaller areolae positioned towards the valve. Cingulum elements have a row of poroids. Scale bar = 2.5 µm." figureDoi="http://doi.org/10.5281/zenodo.6831572" httpUri="https://zenodo.org/record/6831572/files/figure.png" pageId="1" pageNumber="270">Fig. 15</figureCitation>
). Girdle bands number 45 / valve and have a single row of poroids situated towards the valve.
</paragraph>
<paragraph id="8BE572691801F952D5F7F869FDECEC13" blockId="1.[136,1452,1432,2071]" lastBlockId="2.[136,1452,158,293]" lastPageId="2" lastPageNumber="271" pageId="1" pageNumber="270">
The valve interior has an expanded axial area that is developed into a central area formed by a stauros that extends nearly to the margin (
<figureCitation id="13616EEC1801F951D43DF805FE71EAC5" box="[375,504,2008,2034]" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="1" pageNumber="270">Figs 16, 17</figureCitation>
). Areolae do not appear occluded internally (
<figureCitation id="13616EEC1801F951D6A4F805FBC8EAC5" box="[1006,1089,2008,2034]" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="1" pageNumber="270">Fig. 16</figureCitation>
). Proximal raphe ends terminate at the base of the central area (
<figureCitation id="13616EEC1801F951D4ACF821FDEEE521" box="[486,615,2044,2070]" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="1" pageNumber="270">Figs 1618</figureCitation>
) while the distal ends terminate in small helictoglossae (
<figureCitation id="13616EEC1801F951D1A4F821FACAE521" box="[1262,1347,2044,2070]" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="1" pageNumber="270">Fig. 19</figureCitation>
). On one side of the central area is the stigma opening. The stigma opening is simple, round, with a short, thickened collar (
<figureCitation id="13616EEC1802F952D030FF43FF5BEDEB" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="2" pageNumber="271">Figs 1618</figureCitation>
). Areolae are round to dash-like in shape. The valve interior, like the exterior, appears rugose (
<figureCitation id="13616EEC1802F952D052FF1FFA17EDEB" box="[1304,1438,194,220]" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="2" pageNumber="271">Figs 16, 17</figureCitation>
). Thick siliceous ribs extend from the margin, and on the valve face there is a line of thin, fimbriate siliceous structures that are aligned with the ribs (
<figureCitation id="13616EEC1802F952D49DFED7FDD1EC13" box="[471,600,266,292]" captionStart="FIGURES 1619" captionStartId="5.[136,243,1732,1754]" captionTargetBox="[170,1416,190,1701]" captionTargetId="figure-19@5.[170,1416,190,1707]" captionTargetPageId="5" captionText="FIGURES 1619. Luticola coloradiana, sp. nov. Scanning electron microscopy. Internal views. Figs 16, 17. Valve views, showing expanded, internally-raise fascia of the central area bearing straight proximal raphe ends, a simple stigma opening, and inwardly protruding siliceous structures from the margin and valve face. Scale bars = 10 µm. Fig. 18. Central nodule with proximal raphe ends and round stigma opening. Scale bar = 0.3 µm. Fig. 19. Distal raphe end with small helictoglossa. Scale bar = 0.3 µm." figureDoi="http://doi.org/10.5281/zenodo.6831574" httpUri="https://zenodo.org/record/6831574/files/figure.png" pageId="2" pageNumber="271">Figs 16, 17</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="DF2522E11802F952D5C2F858FD8AEA88" ID-DOI="http://doi.org/10.5281/zenodo.6831566" ID-Zenodo-Dep="6831566" httpUri="https://zenodo.org/record/6831566/files/figure.png" pageId="2" pageNumber="271" startId="2.[136,243,1925,1947]" targetBox="[151,1436,314,1898]" targetPageId="2">
<paragraph id="8BE572691802F952D5C2F858FD8AEA88" blockId="2.[136,1451,1925,1983]" pageId="2" pageNumber="271">
<emphasis id="B92EAE7B1802F952D5C2F858FEABEAAD" bold="true" box="[136,290,1925,1947]" pageId="2" pageNumber="271">FIGURES 18.</emphasis>
<taxonomicName id="4C5A09EA1802F952D46CF858FE79EAAD" authority="Shea &amp; Greifenstein &amp; Kociolek, 2022" authorityName="Shea &amp; Greifenstein &amp; Kociolek" authorityYear="2022" box="[294,496,1925,1946]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="271" phylum="Bacillariophyta" rank="species" species="coloradiana" status="sp. nov.">
<emphasis id="B92EAE7B1802F952D46CF858FE79EAAD" box="[294,496,1925,1946]" italics="true" pageId="2" pageNumber="271">Luticola coloradiana</emphasis>
</taxonomicName>
,
<emphasis id="B92EAE7B1802F952D4B1F85BFDCDEAAC" box="[507,580,1926,1947]" italics="true" pageId="2" pageNumber="271">
<taxonomicNameLabel id="A21D13001802F952D4B1F85BFDCDEAAC" box="[507,580,1926,1947]" pageId="2" pageNumber="271" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Light microscopy. Valve views. Size diminution series.All specimens are from the holotype slide. Scale bar = 10 µm for all images.
</paragraph>
</caption>
<caption id="DF2522E11803F953D5C2F87CFD55E515" ID-DOI="http://doi.org/10.5281/zenodo.6831568" ID-Zenodo-Dep="6831568" httpUri="https://zenodo.org/record/6831568/files/figure.png" pageId="3" pageNumber="272" startId="3.[136,243,1953,1975]" targetBox="[230,1355,190,1928]" targetPageId="3">
<paragraph id="8BE572691803F953D5C2F87CFD55E515" blockId="3.[136,1451,1953,2083]" pageId="3" pageNumber="272">
<emphasis id="B92EAE7B1803F953D5C2F87CFEA7EA81" bold="true" box="[136,302,1953,1975]" pageId="3" pageNumber="272">FIGURES 911.</emphasis>
<taxonomicName id="4C5A09EA1803F953D47FF87CFD88EA81" authority="Shea &amp; Greifenstein &amp; Kociolek, 2022" authorityName="Shea &amp; Greifenstein &amp; Kociolek" authorityYear="2022" box="[309,513,1953,1974]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="272" phylum="Bacillariophyta" rank="species" species="coloradiana" status="sp. nov.">
<emphasis id="B92EAE7B1803F953D47FF87CFD88EA81" box="[309,513,1953,1974]" italics="true" pageId="3" pageNumber="272">Luticola coloradiana</emphasis>
</taxonomicName>
,
<emphasis id="B92EAE7B1803F953D744F87FFDD1EA80" box="[526,600,1954,1975]" italics="true" pageId="3" pageNumber="272">
<taxonomicNameLabel id="A21D13001803F953D744F87FFDD1EA80" box="[526,600,1954,1975]" pageId="3" pageNumber="272" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Scanning electron microscopy. External valve views. Figures 911. Valves demonstrate rugose nature of the valve face. Striae appear interrupted longitudinally. Proximal raphe ends are deflected towards the same side; stigma opening is positioned on the opposite side. In figures 10 and 11, the margin of the valves has an elevated ridge. In figure 11 the mantle of the valve has a series of elongated areolae. Scale bars = 5 µm.
</paragraph>
</caption>
<caption id="DF2522E11804F954D5C2F9C5FE13EBD6" ID-DOI="http://doi.org/10.5281/zenodo.6831572" ID-Zenodo-Dep="6831572" httpUri="https://zenodo.org/record/6831572/files/figure.png" pageId="4" pageNumber="273" startId="4.[136,243,1560,1582]" targetBox="[158,1430,190,1532]" targetPageId="4">
<paragraph id="8BE572691804F954D5C2F9C5FE13EBD6" blockId="4.[136,1453,1560,1762]" pageId="4" pageNumber="273">
<emphasis id="B92EAE7B1804F954D5C2F9C5FEBEEB1A" bold="true" box="[136,311,1560,1582]" pageId="4" pageNumber="273">FIGURES 1215</emphasis>
.
<taxonomicName id="4C5A09EA1804F954D40CF9C5FD9DEB1A" authority="Shea &amp; Greifenstein &amp; Kociolek, 2022" authorityName="Shea &amp; Greifenstein &amp; Kociolek" authorityYear="2022" box="[326,532,1560,1581]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="273" phylum="Bacillariophyta" rank="species" species="coloradiana" status="sp. nov.">
<emphasis id="B92EAE7B1804F954D40CF9C5FD9DEB1A" box="[326,532,1560,1581]" italics="true" pageId="4" pageNumber="273">Luticola coloradiana</emphasis>
</taxonomicName>
,
<emphasis id="B92EAE7B1804F954D768F9C4FDE7EB19" box="[546,622,1561,1582]" italics="true" pageId="4" pageNumber="273">
<taxonomicNameLabel id="A21D13001804F954D768F9C4FDE7EB19" box="[546,622,1561,1582]" pageId="4" pageNumber="273" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Scanning electron microscopy. External views. Fig. 12. Central area with deflected external proximal raphe ends. Arrow indicates stigma opening. Scale bar = 1.5 µm. Fig. 13. Showing many depressions in the central area, many of which also have very small, rounded granules. Scale bar = 1.5 µm. Fig. 14. External distal raphe end is hooked and extends onto the mantle. Scale bar = 1.0 µm. Fig. 15. Girdle view of the end of the valve. Elevated ridge around the margin of the valve is evident. There is a row of elongated areolae which have a row of smaller areolae positioned towards the valve. Cingulum elements have a row of poroids. Scale bar = 2.5 µm.
</paragraph>
</caption>
<subSubSection id="C34021E21804F954D5F7F8CDFEEBEAA1" pageId="4" pageNumber="273" type="materials_examined">
<paragraph id="8BE572691804F954D5F7F8CDFEEBEAA1" blockId="4.[136,1452,1808,2087]" pageId="4" pageNumber="273">
<emphasis id="B92EAE7B1804F954D5F7F8CDFE88EA1D" bold="true" box="[189,257,1808,1834]" pageId="4" pageNumber="273">Type:</emphasis>
<materialsCitation id="3B3278341804F954D455F8CDFEC4EA44" ID-GBIF-Occurrence="3862938301" collectingDate="2021-08-02" collectionCode="COLO" country="United States of America" county="Gunnison County" location="Latitude" municipality="Gunnison County" pageId="4" pageNumber="273" specimenCount="1" stateProvince="Colorado" typeStatus="holotype">
<collectingCountry id="F34D32F91804F954D455F8CDFED0EA1D" box="[287,345,1808,1834]" name="United States of America" pageId="4" pageNumber="273">USA</collectingCountry>
.
<collectingRegion id="499EBC8B1804F954D42BF8CDFE45EA1D" box="[353,460,1808,1834]" country="United States of America" name="Colorado" pageId="4" pageNumber="273">Colorado</collectingRegion>
,
<collectingCounty id="62840AE51804F954D49FF8CDFD12EA1D" box="[469,667,1808,1834]" pageId="4" pageNumber="273">Gunnison County</collectingCounty>
. Unnamed wet meadow in
<collectingMunicipality id="6B81E8131804F954D68AF8CDFB0FEA1D" box="[960,1158,1808,1834]" pageId="4" pageNumber="273">Gunnison County</collectingMunicipality>
,
<collectingRegion id="499EBC8B1804F954D1C4F8CDFB70EA1D" box="[1166,1273,1808,1834]" country="United States of America" name="Colorado" pageId="4" pageNumber="273">Colorado</collectingRegion>
,
<collectingCountry id="F34D32F91804F954D048F8CDFAB7EA1D" box="[1282,1342,1808,1834]" name="United States of America" pageId="4" pageNumber="273">USA</collectingCountry>
.
<location id="8E8524B21804F954D00CF8CDFA21EA1D" LSID="urn:lsid:plazi:treatment:03F3C37F1801F954D5C2FA8DFB78E510:8E8524B21804F954D00CF8CDFA21EA1D" box="[1350,1448,1808,1834]" country="United States of America" county="Gunnison County" municipality="Gunnison County" name="Latitude" pageId="4" pageNumber="273" stateProvince="Colorado">Latitude</location>
: 38.25025126,
<location id="8E8524B21804F954D467F8E9FE2CEA79" LSID="urn:lsid:plazi:treatment:03F3C37F1801F954D5C2FA8DFB78E510:8E8524B21804F954D467F8E9FE2CEA79" box="[301,421,1844,1870]" country="United States of America" county="Gunnison County" municipality="Gunnison County" name="Longitude" pageId="4" pageNumber="273" stateProvince="Colorado">Longitude</location>
: -107.497408.
<location id="8E8524B21804F954D71EF8E9FD40EA79" LSID="urn:lsid:plazi:treatment:03F3C37F1801F954D5C2FA8DFB78E510:8E8524B21804F954D71EF8E9FD40EA79" box="[596,713,1844,1870]" country="United States of America" county="Gunnison County" municipality="Gunnison County" name="Collection" pageId="4" pageNumber="273" stateProvince="Colorado">Collection</location>
was made on
<date id="FFE454A91804F954D63DF8E9FBA7EA79" box="[887,1070,1844,1870]" pageId="4" pageNumber="273" value="2021-08-02">
<collectingDate id="EFA0AD411804F954D63DF8E9FBA7EA79" box="[887,1070,1844,1870]" pageId="4" pageNumber="273" value="2021-08-02">August 2, 2021</collectingDate>
</date>
.
<typeStatus id="54E1CCCB1804F954D177F8E9FB2CEA79" box="[1085,1189,1844,1870]" pageId="4" pageNumber="273" type="holotype">Holotype</typeStatus>
Slide: JPK Collection (
<collectionCode id="ED4BEAAC1804F954D5DAF885FF6CEA45" box="[144,229,1880,1906]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15540" lsid="urn:lsid:biocol.org:col:15540" name="University of Colorado Herbarium" pageId="4" pageNumber="273" type="Herbarium">COLO</collectionCode>
!) 651052
</materialsCitation>
<materialsCitation id="3B3278341804F954D41CF884FEEBEAA1" ID-GBIF-Occurrence="3862938302" collectingDate="2021-08-02" collectionCode="COLO" country="United States of America" county="Gunnison County" location="Latitude" municipality="Gunnison County" pageId="4" pageNumber="273" specimenCount="1" stateProvince="Colorado" typeStatus="holotype">
Isotypes: To be deposited at
<location id="8E8524B21804F954D7D6F885FC67EA45" LSID="urn:lsid:plazi:treatment:03F3C37F1801F954D5C2FA8DFB78E510:8E8524B21804F954D7D6F885FC67EA45" box="[668,1006,1880,1906]" country="United States of America" county="Gunnison County" municipality="Gunnison County" name="Academy of Natural Sciences" pageId="4" pageNumber="273" stateProvince="Colorado">Academy of Natural Sciences</location>
(Philadelphia) and the Natural History Museum (London).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C34021E21804F954D5F7F87DFC2DEA8C" box="[189,932,1952,1979]" pageId="4" pageNumber="273" type="etymology">
<paragraph id="8BE572691804F954D5F7F87DFC2DEA8C" blockId="4.[136,1452,1808,2087]" box="[189,932,1952,1979]" pageId="4" pageNumber="273">
<emphasis id="B92EAE7B1804F954D5F7F87DFEC1EA8D" bold="true" box="[189,328,1952,1978]" pageId="4" pageNumber="273">Etymology:</emphasis>
—Named for the state of
<collectingRegion id="499EBC8B1804F954D72FF87DFD44EA8D" box="[613,717,1952,1978]" country="United States of America" name="Colorado" pageId="4" pageNumber="273">Colorado</collectingRegion>
in which it occurs.
</paragraph>
</subSubSection>
<subSubSection id="C34021E21804F954D5F7F819FB78E510" pageId="4" pageNumber="273" type="biology_ecology">
<paragraph id="8BE572691804F954D5F7F819FB78E510" blockId="4.[136,1452,1808,2087]" pageId="4" pageNumber="273">
<emphasis id="B92EAE7B1804F954D5F7F819FEAFEAE9" bold="true" box="[189,294,1988,2014]" pageId="4" pageNumber="273">Ecology:</emphasis>
—While no other data on the physical and chemical characteristics of the collecting site were obtained, the associated diatom flora is diverse, with unnamed species of
<taxonomicName id="4C5A09EA1804F954D613F835FBC7E535" authority="Thwaites" authorityName="Thwaites" box="[857,1102,2024,2050]" class="Bacillariophyceae" family="Aulacoseiraceae" genus="Aulacoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Aulacoseirales" pageId="4" pageNumber="273" phylum="Ochrophyta" rank="genus">
<emphasis id="B92EAE7B1804F954D613F835FC69E535" box="[857,992,2024,2050]" italics="true" pageId="4" pageNumber="273">Aulacoseira</emphasis>
Thwaites
</taxonomicName>
and
<taxonomicName id="4C5A09EA1804F954D1CCF834FA01E534" authority="Krammer" authorityName="Krammer" box="[1158,1416,2025,2051]" class="Bacillariophyceae" family="Cymbellaceae" genus="Encyonopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" pageId="4" pageNumber="273" phylum="Bacillariophyta" rank="genus">
<emphasis id="B92EAE7B1804F954D1CCF834FA9DE535" box="[1158,1300,2025,2050]" italics="true" pageId="4" pageNumber="273">Encyonopsis</emphasis>
Krammer
</taxonomicName>
, as well as
<taxonomicName id="4C5A09EA1804F954D594F7D1FDE5E510" authority="Bahls (2013: 15)" authorityName="Bahls" authorityPageNumber="15" authorityYear="2013" box="[222,620,2060,2087]" class="Bacillariophyceae" family="Cavinulaceae" genus="Cavinula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="273" phylum="Ochrophyta" rank="species" species="davisiae">
<emphasis id="B92EAE7B1804F954D594F7D1FE21E511" box="[222,424,2060,2086]" italics="true" pageId="4" pageNumber="273">Cavinula davisiae</emphasis>
<bibRefCitation id="EFCB0F981804F954D4FAF7D1FDE5E510" author="Bahls, L. L." box="[432,620,2060,2087]" pageId="4" pageNumber="273" pagination="7 - 28" refId="ref3339" refString="Bahls, L. L. (2013) New diatoms (Bacillariophyta) from western North America. Phytotaxa 82 (1): 7 - 28. https: // doi. org / 10.11646 / phytotaxa. 82.1.2" type="journal article" year="2013">Bahls (2013: 15)</bibRefCitation>
</taxonomicName>
and several species of cymbelloid diatoms being present.
</paragraph>
</subSubSection>
</treatment>
</document>