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<document id="079B8C6B82C33407B4E97E6EDF99C04C" ID-DOI="10.11646/phytotaxa.345.2.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="13705161" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725584629088" checkinUser="felipe" docAuthor="Guerrero, J. M., A. A. Vouilloud, Sala, S. E., Kociolek, J. P. &amp; Vijver, B. Van De" docDate="2018" docId="BC392458894A4974FF7197A5FCB46AB8" docLanguage="en" docName="phytotaxa.345.2.3.pdf" docOrigin="Phytotaxa 345 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.345.2.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Orthoseira ferrarioana Guerrero, Kociolek et Sala 2018, spec. nov." docType="treatment" docVersion="2" lastPageNumber="126" masterDocId="40005C20894E4973FFF99037FFA16B60" masterDocTitle="New species and a new genus of the Orthoseirales from Patagonia, Argentina, with comments on systematic affinities within the Order" masterLastPageNumber="132" masterPageNumber="119" pageNumber="123" updateTime="1725596485087" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="11C3FBF5E1EB2C210D0E416326C16DB0">New species and a new genus of the Orthoseirales from Patagonia, Argentina, with comments on systematic affinities within the Order</mods:title>
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<mods:namePart id="E83903BACAFCB428854D6D3EE67379C0">Guerrero, J. M.</mods:namePart>
<mods:affiliation id="51D27DE1941C7B0B5035F7A6B64418E3">División Ficología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n. 1900, La Plata, Argentina</mods:affiliation>
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<mods:namePart id="1C262529BAB07DE89BF64E536814139D">A. A. Vouilloud</mods:namePart>
<mods:affiliation id="7E6A857E266BB54351EF0D7BA7016E85">División Ficología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n. 1900, La Plata, Argentina</mods:affiliation>
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<mods:namePart id="0BA8C34E2C6A956B6D8F09078188B555">Sala, S. E.</mods:namePart>
<mods:affiliation id="0EDD6347D2DCEA873A774BCE0C2FE29B">División Ficología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n. 1900, La Plata, Argentina</mods:affiliation>
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<mods:namePart id="85E36092E544F923536886A5F7D1E6AC">Kociolek, J. P.</mods:namePart>
<mods:affiliation id="89D7B25B4FB466723627ED10038B72AD">Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309 USA</mods:affiliation>
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<mods:namePart id="47D4FD9ED9227A0BF1B1F74D83722670">Vijver, B. Van De</mods:namePart>
<mods:affiliation id="F1F71BA5B6A2B1794D4F08A0516CFFB3">Botanic Garden Meise, Department of Bryophyta andThallophyta, Nieuwelaan 38, B- 1860, Belgium &amp; Department of Biology-ECOBE, University of Antwerp, Universiteitsplein 1, B- 2610 Wilrijik, Belgium</mods:affiliation>
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<mods:title id="57156D18935A1B29FA1ED88497A01722">Phytotaxa</mods:title>
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<mods:date id="8F5923CFE62DA97064AA4111025FBC63">2018</mods:date>
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<mods:identifier id="5D2EC8699DC532FC96DC83A994AC3099" type="ISSN">1179-3163</mods:identifier>
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<treatment id="BC392458894A4974FF7197A5FCB46AB8" LSID="urn:lsid:plazi:treatment:BC392458894A4974FF7197A5FCB46AB8" httpUri="http://treatment.plazi.org/id/BC392458894A4974FF7197A5FCB46AB8" lastPageId="7" lastPageNumber="126" pageId="4" pageNumber="123">
<subSubSection id="7C8AC6C5894A4977FF7197A5FC706CCD" box="[136,977,1938,1965]" pageId="4" pageNumber="123" type="nomenclature">
<paragraph id="342F954E894A4977FF7197A5FC706CCD" blockId="4.[136,977,1938,1965]" box="[136,977,1938,1965]" pageId="4" pageNumber="123">
<heading id="6F672222894A4977FF7197A5FC706CCD" box="[136,977,1938,1965]" fontSize="11" level="2" pageId="4" pageNumber="123" reason="3">
<taxonomicName id="F390EECD894A4977FF7197A5FD656CCD" authority="Guerrero, Kociolek et Sala" authorityName="Guerrero, Kociolek et Sala" authorityYear="2018" box="[136,708,1938,1965]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="4" pageNumber="123" phylum="Ochrophyta" rank="species" species="ferrarioana" status="sp. nov.">
<emphasis id="06E4495C894A4977FF7197A5FE336CCC" bold="true" box="[136,402,1938,1965]" italics="true" pageId="4" pageNumber="123">Orthoseira ferrarioana</emphasis>
Guerrero, Kociolek et Sala
</taxonomicName>
<taxonomicNameLabel id="1DD7F427894A4977FD3297A3FC9A6CCD" box="[715,827,1940,1965]" pageId="4" pageNumber="123" rank="species">spec. nov.</taxonomicNameLabel>
(
<figureCitation id="ACAB89CB894A4977FCB097A3FC6B6CCD" box="[841,970,1940,1965]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="4" pageNumber="123">Figs 34–53</figureCitation>
)
</heading>
</paragraph>
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<subSubSection id="7C8AC6C5894A4976FF71978FFAEC6A29" lastPageId="5" lastPageNumber="124" pageId="4" pageNumber="123" type="description">
<paragraph id="342F954E894A4977FF71978FFA0D6379" blockId="4.[136,1452,1976,2073]" pageId="4" pageNumber="123">
<emphasis id="06E4495C894A4977FF71978FFEB36CB1" bold="true" box="[136,274,1976,2001]" pageId="4" pageNumber="123">Description</emphasis>
:—Cells cylindrical joined in short chains. Valve dimensions (n=27): Frustules in girdle view 38–69 μm long. Diameter 18–31 μm. Mantle height 4.5–25 μm. Central area forming a hyaline zone with a ring of 3–4, rarely 2 carinoportulae (
<figureCitation id="ACAB89CB894A4977FEC09837FE1C6379" box="[313,445,2048,2073]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="4" pageNumber="123">Figs 34–43</figureCitation>
). Carinoportula openings externally surrounded by incomplete collar-like structures (
<figureCitation id="ACAB89CB894A4977FA839837FA0D6379" box="[1402,1452,2048,2073]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="4" pageNumber="123">Figs</figureCitation>
</paragraph>
<paragraph id="342F954E894B4976FF719097FAEC6A29" blockId="5.[136,1452,160,329]" pageId="5" pageNumber="124">
47, 48) and internally occluded by triradiate to T-shaped silica ridges (
<figureCitation id="ACAB89CB894B4976FC6A9097FC456BD9" box="[915,996,160,185]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="5" pageNumber="124">Fig. 51</figureCitation>
, arrow). Small slits, more or less parallel arranged between the carinoportulae (
<figureCitation id="ACAB89CB894B4976FDC690F3FD346BBD" box="[575,661,196,221]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="5" pageNumber="124">Fig. 51</figureCitation>
, arrowhead). Small spines present at the valve face/mantle junction (
<figureCitation id="ACAB89CB894B4976FF6990DFFF456A61" box="[144,228,232,257]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="5" pageNumber="124">Fig. 49</figureCitation>
). Areolae on the valve face
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10 μm, arranged in radiating irregular rows,
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10 μm lined up with siliceous nodules or spinules (
<figureCitation id="ACAB89CB894B4976FE19913BFDC76A45" box="[480,614,268,293]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="5" pageNumber="124">Figs 47, 48</figureCitation>
); areolae internally unoccluded (
<figureCitation id="ACAB89CB894B4976FC25913BFBC36A45" box="[988,1122,268,293]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="5" pageNumber="124">Figs 52, 53</figureCitation>
). Mantle with parallel striae,
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10 μm, composed of distinct areolae,
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10 μm; margin with unornamented collum (
<figureCitation id="ACAB89CB894B4976FB159107FAE06A29" box="[1260,1345,304,329]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="5" pageNumber="124">Fig. 49</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="60EFC5C6894B4976FF719779FEAB6377" ID-DOI="http://doi.org/10.5281/zenodo.13705167" ID-Zenodo-Dep="13705167" httpUri="https://zenodo.org/record/13705167/files/figure.png" pageId="5" pageNumber="124" startId="5.[136,243,1870,1891]" targetBox="[155,1427,381,1827]" targetPageId="5" targetType="figure">
<paragraph id="342F954E894B4976FF719779FEAB6377" blockId="5.[136,1452,1870,2071]" pageId="5" pageNumber="124">
<emphasis id="06E4495C894B4976FF719779FE976C03" bold="true" box="[136,310,1870,1891]" pageId="5" pageNumber="124">FIGURES 25–33</emphasis>
. “
<taxonomicName id="F390EECD894B4976FEB79779FDC46C03" authority="Frenguelli" authorityName="Frenguelli" authorityYear="1942" box="[334,613,1870,1891]" class="Bacillariophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="5" pageNumber="124" phylum="Ochrophyta" rank="species" species="stipata">
<emphasis id="06E4495C894B4976FEB79779FE586C03" box="[334,505,1870,1891]" italics="true" pageId="5" pageNumber="124">Cyclotella stipata</emphasis>
Frenguelli
</taxonomicName>
” from Tierra del Fuego (Figs 25–26, 28–33) and Limay River basin (Fig. 27). 25–29, 31–33. SEM. 30. LM. 25–27. Mantle external views. 25. Whole valve, note parallel rows of areolae and the smooth collum. 26. Detail of the valve face/mantle junction with spines. 27. Detail of spines linking two neighbor valves. 28. Broken valve in internal view, note the internal thickening at the valve margin. 29–30. Whole frustules. 31. Valve with two copulae, note the conspicuous ligula. 32. Open valvocopula ornamented with rows of poroids. 33. Open copula showing ligula and antiligula. Scale bars = 10 μm (Figs 25, 29–33), 5 μm (Figs 26–27).
</paragraph>
</caption>
<caption id="60EFC5C689484975FF719771FAFB636F" ID-DOI="http://doi.org/10.5281/zenodo.13705171" ID-Zenodo-Dep="13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="6" pageNumber="125" startId="6.[136,243,1862,1883]" targetBox="[164,1423,190,1837]" targetPageId="6" targetType="figure">
<paragraph id="342F954E89484975FF719771FAFB636F" blockId="6.[136,1452,1862,2063]" pageId="6" pageNumber="125">
<emphasis id="06E4495C89484975FF719771FE926C3B" bold="true" box="[136,307,1862,1883]" pageId="6" pageNumber="125">FIGURES 34–53</emphasis>
.
<taxonomicName id="F390EECD89484975FEC79771FDBA6C3B" authorityName="Guerrero &amp; A.A.Vouilloud &amp; Sala &amp; Kociolek &amp; Vijver" authorityYear="2018" box="[318,539,1862,1883]" class="Bacillariophyceae" family="Orthoseiraceae" genus="Orthoseira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Orthoseirales" pageId="6" pageNumber="125" phylum="Ochrophyta" rank="species" species="ferrarioana" status="sp. nov.">
<emphasis id="06E4495C89484975FEC79771FDBA6C3B" box="[318,539,1862,1883]" italics="true" pageId="6" pageNumber="125">Orthoseira ferrarioana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1DD7F42789484975FDD99771FDDF6C3B" box="[544,638,1862,1883]" pageId="6" pageNumber="125" rank="species">spec. nov.</taxonomicNameLabel>
Specimens of type population. 34–46. LM. 47–53. SEM. 34–43. Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures.
</paragraph>
</caption>
<subSubSection id="7C8AC6C589494974FF4490A8FB6C6BBC" pageId="7" pageNumber="126" type="materials_examined">
<paragraph id="342F954E89494974FF4490A8FB6C6BBC" blockId="7.[136,1452,159,472]" pageId="7" pageNumber="126">
<emphasis id="06E4495C89494974FF4490A8FEA06BD8" bold="true" box="[189,257,159,184]" pageId="7" pageNumber="126">Type:</emphasis>
—
<collectingCountry id="4C87D5DE89494974FEE790A8FE656BD8" box="[286,452,159,184]" name="Argentina" pageId="7" pageNumber="126">ARGENTINA</collectingCountry>
, Small creek near Copahue Volcano,
<collectingRegion id="F6545BAC89494974FC6B90A8FC5B6BD8" box="[914,1018,159,184]" country="Argentina" name="Neuquen" pageId="7" pageNumber="126">Neuquén</collectingRegion>
, Collector J. Frenguelli
<date id="402EB38E89494974FADC90A8FA086BD8" box="[1317,1449,159,184]" pageId="7" pageNumber="126" value="1932-05-02">02/05/1932</date>
. (
<typeStatus id="EB2B2BEC89494974FF6990F4FF556BBC" box="[144,244,195,220]" pageId="7" pageNumber="126" type="holotype">holotype</typeStatus>
Frenguelli Collection, Series 375, slide 6, finder Q 29-
<collectionCode id="52810D8B89494974FCA590F4FCD16BBC" box="[860,880,195,220]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="7" pageNumber="126">R</collectionCode>
29, here illustrated as
<figureCitation id="ACAB89CB89494974FB9490F4FB616BBC" box="[1133,1216,195,220]" captionStart="FIGURES 34–53" captionStartId="6.[136,243,1862,1883]" captionTargetBox="[164,1423,190,1837]" captionTargetId="figure-15@6.[164,1423,190,1837]" captionTargetPageId="6" captionText="FIGURES 34–53. Orthoseira ferrarioana spec. nov. Specimens of type population.34–46.LM.47–53. SEM. 34–43.Valve views showing population variability. 40. Holotype. 44–46. Specimen in girdle view at different foci. 47–49. External valve views. 47. Whole valve. 48. Detail of valve center showing external openings of carinoportulae (arrow). 49. Detail of valve in oblique view, note the marginal spines. 50–53. Internal valve views. 50. Whole valve. 51. Detail of valve center showing the internal openings of carinoportulae (arrow) and the slits between them (arrowheads). 52. Detail of the striae arrangement. 53. Detail of a broken valve showing the thickened interstriae. Scale bars = 10 μm (Figs. 34–47, 50), 5 μm (Fig. 49), 2 μm (Figs 48, 52–53), 1 μm (Fig. 51). Bar length is the same in all LM figures." figureDoi="http://doi.org/10.5281/zenodo.13705171" httpUri="https://zenodo.org/record/13705171/files/figure.png" pageId="7" pageNumber="126">Fig. 40</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="7C8AC6C589494974FF4490D0FB986A44" pageId="7" pageNumber="126" type="etymology">
<paragraph id="342F954E89494974FF4490D0FB986A44" blockId="7.[136,1452,159,472]" pageId="7" pageNumber="126">
<emphasis id="06E4495C89494974FF4490D0FE9F6A60" bold="true" box="[189,318,231,256]" pageId="7" pageNumber="126">Etymology</emphasis>
:—named in honor of our friend and colleague, Dr. Martha E. Ferrario, Museo de La Plata, for her contributions to the study of diatoms in general, and those in
<collectingCountry id="4C87D5DE89494974FCCC913CFC056A44" box="[821,932,267,292]" name="Argentina" pageId="7" pageNumber="126">Argentina</collectingCountry>
in particular.
</paragraph>
</subSubSection>
<subSubSection id="7C8AC6C589494974FF449118FCB46AB8" pageId="7" pageNumber="126" type="discussion">
<paragraph id="342F954E89494974FF449118FCB46AB8" blockId="7.[136,1452,159,472]" pageId="7" pageNumber="126">
<emphasis id="06E4495C89494974FF449118FE8B6A28" bold="true" box="[189,298,303,328]" pageId="7" pageNumber="126">Remarks</emphasis>
:—In a few specimens of the studied population, the stria and areolae densities both at valve face and mantle are beyond the range given in the description (see Table 1). This species differs from other
<taxonomicName id="F390EECD89494974FAC99164FF786AF0" pageId="7" pageNumber="126">
<emphasis id="06E4495C89494974FAC99164FA0A6A0C" box="[1328,1451,339,364]" italics="true" pageId="7" pageNumber="126">Orthoseira</emphasis>
species
</taxonomicName>
in having a particular combination of characters such as valve face striae of different length; areola internally unoccluded; the ornamentation of the external carinoportula openings, the morphologies of the internal occlusion of the carinoportulae and the arrangement of the central slits.
</paragraph>
</subSubSection>
</treatment>
</document>
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