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<document id="4A7600057E6D650D26B2985321F0C993" ID-CLB-Dataset="302272" ID-DOI="10.11646/phytotaxa.311.1.8" ID-GBIF-Dataset="9f02c062-646b-4c2a-a96a-25593accc523" ID-ISSN="1179-3163" ID-Zenodo-Dep="13685956" 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="1725480287318" checkinUser="felipe" docAuthor="Casa, Valeria, Mataloni, Gabriela &amp; Vijver, Bart Van De" docDate="2017" docId="03BFC161CC72FFB49BEEF9272E9A042E" docLanguage="en" docName="phytotaxa.311.1.8.pdf" docOrigin="Phytotaxa 311 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.311.1.8" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Stauroneis fuegiana Casa &amp; Van de Vijver 2017, sp. nov." docType="treatment" docVersion="2" lastPageNumber="88" masterDocId="FF86B919CC73FFB79B66FFD72A360567" masterDocTitle="Stauroneis fuegiana, a new Stauroneis species (Bacillariophyta) from Tierra del Fuego, southern Argentina" masterLastPageNumber="92" masterPageNumber="85" pageNumber="86" updateTime="1725480966380" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="72D77408C7D561351375A5EE73310203">Stauroneis fuegiana, a new Stauroneis species (Bacillariophyta) from Tierra del Fuego, southern Argentina</mods:title>
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<mods:namePart id="D04BCA3CAAA9E2840F22210B4708A4FE">Casa, Valeria</mods:namePart>
<mods:affiliation id="62E62BDB5802BA591EC4243F4823DDC7">UNSAM, CONICET, Instituto de Investigación e Ingeniería Ambiental (3 iA), Buenos Aires, Argentina</mods:affiliation>
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<mods:namePart id="7E32FC508A32A96B99B6DA6FE1E0B251">Mataloni, Gabriela</mods:namePart>
<mods:affiliation id="890427FE5F96B9ECF9B575FEB2EFC538">UNSAM, CONICET, Instituto de Investigación e Ingeniería Ambiental (3 iA), Buenos Aires, Argentina</mods:affiliation>
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<mods:namePart id="ADB3DBD369449B207595D47CB9E9DCB5">Vijver, Bart Van De</mods:namePart>
<mods:affiliation id="37ACE207E6A9F972F26897E704012767">Botanic Garden Meise, Department of Bryophyta &amp; Thallophyta, Nieuwelaan 38, B- 1860 Meise, Belgium; &amp; University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B- 2610 Wilrijk, Antwerpen, Belgium</mods:affiliation>
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<mods:title id="B2B4D4CCC5476EE9FE446F6F040D24BF">Phytotaxa</mods:title>
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<mods:date id="B4AD58495CC6C21F250F2DC8F0E3D193">2017</mods:date>
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<treatment id="03BFC161CC72FFB49BEEF9272E9A042E" ID-DOI="http://doi.org/10.5281/zenodo.13685962" ID-Zenodo-Dep="13685962" LSID="urn:lsid:plazi:treatment:03BFC161CC72FFB49BEEF9272E9A042E" httpUri="http://treatment.plazi.org/id/03BFC161CC72FFB49BEEF9272E9A042E" lastPageId="3" lastPageNumber="88" pageId="1" pageNumber="86">
<subSubSection id="C30C23FCCC72FFB59BEEF9272B5304D2" lastPageId="2" lastPageNumber="87" pageId="1" pageNumber="86" type="nomenclature">
<paragraph id="8BA97077CC72FFB69BEEF9272951026C" blockId="1.[136,871,1776,1803]" box="[136,871,1776,1803]" pageId="1" pageNumber="86">
<heading id="D0E1C71BCC72FFB69BEEF9272951026C" bold="true" box="[136,871,1776,1803]" fontSize="11" level="1" pageId="1" pageNumber="86" reason="1">
<emphasis id="B962AC65CC72FFB69BEEF9272951026C" bold="true" box="[136,871,1776,1803]" pageId="1" pageNumber="86">
<taxonomicName id="4C160BF4CC72FFB69BEEF927284B026C" authority="Casa &amp; Van de Vijver" authorityName="Casa &amp; Van de Vijver" authorityYear="2017" box="[136,637,1776,1803]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="1" pageNumber="86" phylum="Ochrophyta" rank="species" species="fuegiana" status="sp. nov.">
<emphasis id="B962AC65CC72FFB69BEEF9272B45026D" bold="true" box="[136,371,1776,1802]" italics="true" pageId="1" pageNumber="86">Stauroneis fuegiana</emphasis>
Casa &amp; Van de Vijver
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<taxonomicNameLabel id="A251111ECC72FFB699E5F92528EB026C" box="[643,733,1778,1803]" pageId="1" pageNumber="86" rank="species">sp. nov.</taxonomicNameLabel>
(
<figureCitation id="132D6CF2CC72FFB6998AF9252969026C" box="[748,863,1778,1803]" captionStart-0="FIGURES 1–7" captionStart-1="FIGURES 8–13" captionStartId-0="2.[136,243,1949,1970]" captionStartId-1="3.[136,243,1901,1922]" captionTargetBox-0="[151,1435,530,1921]" captionTargetBox-1="[151,1435,353,1876]" captionTargetId-0="figure-163@2.[151,1436,530,1921]" captionTargetId-1="figure-100@3.[151,1436,353,1876]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionText-0="FIGURES 1–7. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (1–5) LM views of an entire valve. The arrows in Fig. 1 indicate the marginal crest on the valve face/mantle junction (6–7) LM views of the central area with the deflected proximal raphe endings. Scale bars represent 10 μm." captionText-1="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi-0="http://doi.org/10.5281/zenodo.13685958" figureDoi-1="http://doi.org/10.5281/zenodo.13685960" httpUri-0="https://zenodo.org/record/13685958/files/figure.png" httpUri-1="https://zenodo.org/record/13685960/files/figure.png" pageId="1" pageNumber="86">Figs 1–13</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="8BA97077CC72FFB59BEEF8ED2B5304D2" blockId="1.[136,1452,1850,2091]" lastBlockId="2.[136,1452,160,509]" lastPageId="2" lastPageNumber="87" pageId="1" pageNumber="86">
LM (
<figureCitation id="132D6CF2CC72FFB69BA0F8ED2B070234" box="[198,305,1850,1875]" captionStart="FIGURES 1–7" captionStartId="2.[136,243,1949,1970]" captionTargetBox="[151,1435,530,1921]" captionTargetId="figure-163@2.[151,1436,530,1921]" captionTargetPageId="2" captionText="FIGURES 1–7. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (1–5) LM views of an entire valve. The arrows in Fig. 1 indicate the marginal crest on the valve face/mantle junction (6–7) LM views of the central area with the deflected proximal raphe endings. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685958" httpUri="https://zenodo.org/record/13685958/files/figure.png" pageId="1" pageNumber="86">Figs 1–7</figureCitation>
): Valves rather broadly lanceolate, never linear-lanceolate with clearly convex margins, gradually tapering towards the weakly protracted, subrostrate apices. Valve dimensions (n=25): length 95–165 μm, width 17– 25 μm, length/width ratio 5.7–6.3. Axial area narrow, strictly linear, almost 1/5 of the total valve width, gradually widening until the central area. Central area forming a rectangular, only weakly wedge-shapedly widened stauros. Shortened striae only rarely present in the central area. Raphe clearly lateral. Branches straight with clearly deflected to weakly hooked (
<figureCitation id="132D6CF2CC72FFB69A04F8392BFC0D60" box="[354,458,2030,2055]" captionStart="FIGURES 1–7" captionStartId="2.[136,243,1949,1970]" captionTargetBox="[151,1435,530,1921]" captionTargetId="figure-163@2.[151,1436,530,1921]" captionTargetPageId="2" captionText="FIGURES 1–7. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (1–5) LM views of an entire valve. The arrows in Fig. 1 indicate the marginal crest on the valve face/mantle junction (6–7) LM views of the central area with the deflected proximal raphe endings. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685958" httpUri="https://zenodo.org/record/13685958/files/figure.png" pageId="1" pageNumber="86">Figs 6, 7</figureCitation>
), droplike expanded proximal raphe endings and hooked terminal raphe fissures. Striae clearly radiate throughout the entire valve,
<quantity id="4CEEDD92CC72FFB699E6F7C528D10D4C" box="[640,743,2066,2091]" metricMagnitude="-1" metricUnit="m" metricValue="4.318" metricValueMax="4.572" metricValueMin="4.064" pageId="1" pageNumber="86" unit="in" value="17.0" valueMax="18.0" valueMin="16.0">16–18 in</quantity>
10 μm. Areolae clearly discernible in LM,
<quantity id="4CEEDD92CC72FFB69F81F7C52F780D4C" box="[1255,1358,2066,2091]" metricMagnitude="-1" metricUnit="m" metricValue="4.826" metricValueMax="5.08" metricValueMin="4.572" pageId="1" pageNumber="86" unit="in" value="19.0" valueMax="20.0" valueMin="18.0">18–20 in</quantity>
10 μm. Occasionally, narrow hyaline line visible at the valve face/mantle junction (
<figureCitation id="132D6CF2CC71FFB598B9FF772E1505DE" box="[991,1059,160,185]" captionStart="FIGURES 1–7" captionStartId="2.[136,243,1949,1970]" captionTargetBox="[151,1435,530,1921]" captionTargetId="figure-163@2.[151,1436,530,1921]" captionTargetPageId="2" captionText="FIGURES 1–7. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (1–5) LM views of an entire valve. The arrows in Fig. 1 indicate the marginal crest on the valve face/mantle junction (6–7) LM views of the central area with the deflected proximal raphe endings. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685958" httpUri="https://zenodo.org/record/13685958/files/figure.png" pageId="2" pageNumber="87">Fig. 1</figureCitation>
, arrows). SEM (
<figureCitation id="132D6CF2CC71FFB59FB9FF772F6305DE" box="[1247,1365,160,185]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Figs 8–13</figureCitation>
): Striae uniseriate composed of transapically elongated areolae (
<figureCitation id="132D6CF2CC71FFB5999AFF13295905BA" box="[764,879,196,221]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Figs 9, 10</figureCitation>
). Striae continuing uninterruptedly onto the mantle (
<figureCitation id="132D6CF2CC71FFB59BF6FF3F2AD00466" box="[144,230,232,257]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 10</figureCitation>
). External proximal raphe endings clearly deflected terminating in large, droplike expanded pores (
<figureCitation id="132D6CF2CC71FFB59E31FF3F2FAB0466" box="[1367,1437,232,257]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 9</figureCitation>
). Small silica ridge bordering the raphe (
<figureCitation id="132D6CF2CC71FFB5995CFEDB28A80442" box="[570,670,268,293]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Figs 8, 9</figureCitation>
). Terminal raphe fissures strongly hooked, continuing onto the mantle (
<figureCitation id="132D6CF2CC71FFB59BF6FEE72AD2042E" box="[144,228,304,329]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 10</figureCitation>
). Narrow silica ridge present near the central area at the valve face/mantle junction, not continuing up to the apices (
<figureCitation id="132D6CF2CC71FFB59BB9FE832B13040A" box="[223,293,340,365]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 9</figureCitation>
, arrows). Internally, stauros well-developed (
<figureCitation id="132D6CF2CC71FFB5984EFE83294D040A" box="[808,891,340,365]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 11</figureCitation>
). Internal proximal raphe endings terminating on the stauros (
<figureCitation id="132D6CF2CC71FFB59A77FEAF2B5004F6" box="[273,358,376,401]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 12</figureCitation>
). Distal raphe endings terminating on small helictoglossae (
<figureCitation id="132D6CF2CC71FFB59F6CFEAF2E6804F6" box="[1034,1118,376,401]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 13</figureCitation>
). Stria foramina transapically elongated (
<figureCitation id="132D6CF2CC71FFB59A62FE4B2B6E04D2" box="[260,344,412,437]" captionStart="FIGURES 8–13" captionStartId="3.[136,243,1901,1922]" captionTargetBox="[151,1435,353,1876]" captionTargetId="figure-100@3.[151,1436,353,1876]" captionTargetPageId="3" captionText="FIGURES 8–13. Stauroneis fuegiana sp. nov. Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (8) SEM external view of an entire valve. (9) SEM external detail of the central area showing the deflected proximal raphe endings. The arrows indicate the marginal crest. (10) External detail of the valve apex showing the terminal raphe fissures. (11) SEM internal view of an entire valve. (12) SEM internal detail of the central area with the well-developed stauros and the proximal raphe endings. (13) Internal detail of the valve apex with a distal raphe endings and the helictoglossa. Scale bars represent 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13685960" httpUri="https://zenodo.org/record/13685960/files/figure.png" pageId="2" pageNumber="87">Fig. 12</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C30C23FCCC71FFB59BDBFE1729C7049A" pageId="2" pageNumber="87" type="materials_examined">
<paragraph id="8BA97077CC71FFB59BDBFE1729C7049A" blockId="2.[136,1452,160,509]" pageId="2" pageNumber="87">
<emphasis id="B962AC65CC71FFB59BDBFE172ACE04BE" bold="true" box="[189,248,448,473]" pageId="2" pageNumber="87">Type</emphasis>
:—Rancho Hambre,
<collectingRegion id="49D2BE95CC71FFB59AB9FE1728AD04BE" box="[479,667,448,473]" country="Argentina" name="Tierra del Fuego - Antartida e Islas del Atlantico Sur" pageId="2" pageNumber="87">Tierra del Fuego</collectingRegion>
,
<collectingCountry id="F30130E7CC71FFB599C2FE17297A04BE" box="[676,844,448,473]" name="Argentina" pageId="2" pageNumber="87">ARGENTINA</collectingCountry>
: sample RH-VP4-
<collectionCode id="ED07E8B2CC71FFB59F7FFE172E7904BE" box="[1049,1103,448,473]" pageId="2" pageNumber="87">SED</collectionCode>
,
<collectionCode id="ED07E8B2CC71FFB59F3FFE172E5B04BE" box="[1113,1133,448,473]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="2" pageNumber="87" type="Museum">V</collectionCode>
. Casa,
<date id="FFA856B7CC71FFB59FDDFE172F0C04BE" box="[1211,1338,448,473]" pageId="2" pageNumber="87" value="2016-11-21">21/11/2016</date>
(
<typeStatus id="54ADCED5CC71FFB59E2EFE172F9A04BE" box="[1352,1452,448,473]" pageId="2" pageNumber="87" type="holotype">holotype</typeStatus>
<collectionCode id="ED07E8B2CC71FFB59BEEFE332A85049A" box="[136,179,484,509]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="2" pageNumber="87">BR</collectionCode>
! slide no. 4480,
<typeStatus id="54ADCED5CC71FFB59A0CFE332B8D049A" box="[362,443,484,509]" pageId="2" pageNumber="87" type="isotype">isotype</typeStatus>
<collectionCode id="ED07E8B2CC71FFB59AA4FE332BCE049A" box="[450,504,484,509]" country="India" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15781" lsid="urn:lsid:biocol.org:col:15781" name="Institute of Himalayan Bioresource Technology" pageId="2" pageNumber="87" type="Herbarium">PLP</collectionCode>
! slide 325, University of Antwerp, Belgium).
</paragraph>
</subSubSection>
<caption id="DF6920FFCC71FFB59BEEF84A2954029D" ID-DOI="http://doi.org/10.5281/zenodo.13685958" ID-Zenodo-Dep="13685958" httpUri="https://zenodo.org/record/13685958/files/figure.png" pageId="2" pageNumber="87" startId="2.[136,243,1949,1970]" targetBox="[151,1435,530,1921]" targetPageId="2" targetType="figure">
<paragraph id="8BA97077CC71FFB59BEEF84A2954029D" blockId="2.[136,1452,1949,2042]" pageId="2" pageNumber="87">
<emphasis id="B962AC65CC71FFB59BEEF84A2B1502D5" bold="true" box="[136,291,1949,1970]" pageId="2" pageNumber="87">FIGURES 1–7.</emphasis>
<taxonomicName id="4C160BF4CC71FFB59A4FF84A2BDF02D5" authorityName="Casa &amp; Mataloni &amp; Vijver" authorityYear="2017" box="[297,489,1949,1970]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="87" phylum="Ochrophyta" rank="species" species="fuegiana" status="sp. nov.">
<emphasis id="B962AC65CC71FFB59A4FF84A2BDF02D5" box="[297,489,1949,1970]" italics="true" pageId="2" pageNumber="87">Stauroneis fuegiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A251111ECC71FFB59A89F84A280C02D5" box="[495,570,1949,1970]" pageId="2" pageNumber="87" rank="species">sp. nov.</taxonomicNameLabel>
Type population from Rancho Hambre, Tierra del Fuego (sample RH-VP4-SED) (1–5) LM views of an entire valve. The arrows in Fig. 1 indicate the marginal crest on the valve face/mantle junction (6–7) LM views of the central area with the deflected proximal raphe endings. Scale bars represent 10 μm.
</paragraph>
</caption>
<subSubSection id="C30C23FCCC70FFB49BDBFF772E230442" pageId="3" pageNumber="88" type="biology_ecology">
<paragraph id="8BA97077CC70FFB49BDBFF772E230442" blockId="3.[136,1452,160,329]" pageId="3" pageNumber="88">
<emphasis id="B962AC65CC70FFB49BDBFF772BD505DE" bold="true" box="[189,483,160,185]" pageId="3" pageNumber="88">Ecology and distribution</emphasis>
:—
<taxonomicName id="4C160BF4CC70FFB49961FF7728D305DE" authorityName="Casa &amp; Mataloni &amp; Vijver" authorityYear="2017" box="[519,741,160,185]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="88" phylum="Ochrophyta" rank="species" species="fuegiana">
<emphasis id="B962AC65CC70FFB49961FF7728D305DE" box="[519,741,160,185]" italics="true" pageId="3" pageNumber="88">Stauroneis fuegiana</emphasis>
</taxonomicName>
is regularly observed in the peat bogs pools of
<collectingRegion id="49D2BE95CC70FFB49F8BFF772F9E05DE" box="[1261,1448,160,185]" country="Argentina" name="Tierra del Fuego - Antartida e Islas del Atlantico Sur" pageId="3" pageNumber="88">Tierra del Fuego</collectingRegion>
. It is possible that the species has been identified in the past as
<taxonomicName id="4C160BF4CC70FFB49820FF132E3905BA" authorityName="Ehrenberg" authorityYear="1843" baseAuthorityName="Nitzsch" baseAuthorityYear="1817" box="[838,1039,196,221]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="88" phylum="Ochrophyta" rank="species" species="phoenicenteron">
<emphasis id="B962AC65CC70FFB49820FF132E3905BA" box="[838,1039,196,221]" italics="true" pageId="3" pageNumber="88">S. phoenicenteron</emphasis>
</taxonomicName>
or
<taxonomicName id="4C160BF4CC70FFB49F50FF132E9E05BA" baseAuthorityName="Ehrenberg" baseAuthorityYear="1843" box="[1078,1192,196,221]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="88" phylum="Ochrophyta" rank="species" species="gracilis">
<emphasis id="B962AC65CC70FFB49F50FF132E9E05BA" box="[1078,1192,196,221]" italics="true" pageId="3" pageNumber="88">S. gracilis</emphasis>
</taxonomicName>
. The species is usually found in sediment and moss samples from several shallow, dystrophic, acid to slightly acid (pH 3,6–6,8) waterbodies with low conductivity (&lt;200 μS/cm) and DOC ranging between 5,1 to 35,1 mg/l.
</paragraph>
</subSubSection>
<subSubSection id="C30C23FCCC70FFB49BDBFEE72E9A042E" box="[189,1196,304,329]" pageId="3" pageNumber="88" type="etymology">
<paragraph id="8BA97077CC70FFB49BDBFEE72E9A042E" blockId="3.[136,1452,160,329]" box="[189,1196,304,329]" pageId="3" pageNumber="88">
<emphasis id="B962AC65CC70FFB49BDBFEE72B08042E" bold="true" box="[189,318,304,329]" pageId="3" pageNumber="88">Etymology</emphasis>
:—The specific epithet
<taxonomicName id="4C160BF4CC70FFB49920FEE7289E042E" authorityName="Casa &amp; Mataloni &amp; Vijver" authorityYear="2017" box="[582,680,304,329]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="88" phylum="Ochrophyta" rank="species" species="fuegiana">
<emphasis id="B962AC65CC70FFB49920FEE7289E042E" box="[582,680,304,329]" italics="true" pageId="3" pageNumber="88">fuegiana</emphasis>
</taxonomicName>
refers to the
<typeStatus id="54ADCED5CC70FFB4985AFEE7295A042E" box="[828,876,304,329]" pageId="3" pageNumber="88">type</typeStatus>
locality in
<collectingRegion id="49D2BE95CC70FFB4988CFEE72E9E042E" box="[1002,1192,304,329]" country="Argentina" name="Tierra del Fuego - Antartida e Islas del Atlantico Sur" pageId="3" pageNumber="88">Tierra del Fuego</collectingRegion>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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