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<document id="F122A16050BAE643D5273EF1693D7943" ID-DOI="10.11646/phytotaxa.272.1.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="13647364" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725377937578" checkinUser="felipe" docAuthor="Zidarova, Ralitsa, Kopalová, Kateřina &amp; Vijver, Bart Van De" docDate="2016" docId="03FF7D6EFFAF1F70FF0C5096FE95F2FF" docLanguage="en" docName="phytotaxa.272.1.2.pdf" docOrigin="Phytotaxa 272 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.272.1.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Mayamaea tytgatiana Zidarova, Kopalova &amp; Van de Vijver 2016, sp. nov." docType="treatment" docVersion="2" lastPageNumber="45" masterDocId="FFC60516FFA91F78FF84563EFFDCF559" masterDocTitle="Ten new Bacillariophyta species from James Ross Island and the South Shetland Islands (Maritime Antarctic Region)" masterLastPageNumber="62" masterPageNumber="37" pageNumber="43" updateTime="1725383422354" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="F14A13DC53C20FF2BEA61A1B2E3A59CA">Ten new Bacillariophyta species from James Ross Island and the South Shetland Islands (Maritime Antarctic Region)</mods:title>
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<mods:namePart id="ED9F1FDA4DE39EA66E52E8BFC82DD370">Zidarova, Ralitsa</mods:namePart>
<mods:affiliation id="68200D3444A7DC02563F4695D77EB7F1">“ St. Kliment Ohridski ” Univeristy of Sofia, Faculty of Biology, Department of Botany, 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria.</mods:affiliation>
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<mods:affiliation id="1813AD4585644E997F9562380AB2AF37">Charles University in Prague, Faculty of Science, Department of Ecology, Viničná 7, 12844 Prague 2, Czech Republic.</mods:affiliation>
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<mods:namePart id="A0B09A35C7E8E9EDDB1530383B24A039">Vijver, Bart Van De</mods:namePart>
<mods:affiliation id="A0C0CBF774D8E94769802852E1E7224C">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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<treatment id="03FF7D6EFFAF1F70FF0C5096FE95F2FF" LSID="urn:lsid:plazi:treatment:03FF7D6EFFAF1F70FF0C5096FE95F2FF" httpUri="http://treatment.plazi.org/id/03FF7D6EFFAF1F70FF0C5096FE95F2FF" lastPageId="8" lastPageNumber="45" pageId="6" pageNumber="43">
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<heading id="D0A17B14FFAF1F7EFF0C5096FBE0F39B" bold="true" box="[136,1084,1703,1730]" fontSize="11" level="1" pageId="6" pageNumber="43" reason="1">
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<taxonomicName id="4C56B7FBFFAF1F7EFF0C5096FC9CF39B" authority="Zidarova, Kopalova &amp; Van de Vijver" authorityName="Zidarova, Kopalova &amp; Van de Vijver" authorityYear="2016" box="[136,832,1703,1730]" class="Bacillariophyceae" family="Naviculaceae" genus="Mayamaea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="43" phylum="Ochrophyta" rank="species" species="tytgatiana" status="sp. nov.">
<emphasis id="B922106AFFAF1F7EFF0C5096FE5EF398" bold="true" box="[136,386,1703,1730]" italics="true" pageId="6" pageNumber="43">Mayamaea tytgatiana</emphasis>
Zidarova, Kopalová &amp; Van de Vijver
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,
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<emphasis id="B922106AFFAF1F7EFCC85096FCB9F39B" bold="true" box="[844,869,1704,1730]" italics="true" pageId="6" pageNumber="43">sp</emphasis>
.
<emphasis id="B922106AFFAF1F7EFCF75096FC41F39B" bold="true" box="[883,925,1704,1730]" italics="true" pageId="6" pageNumber="43">nov</emphasis>
.
</taxonomicNameLabel>
(
<figureCitation id="136DD0FDFFAF1F7EFC365097FBE8F39B" box="[946,1076,1705,1730]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Figs 59–80</figureCitation>
)
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</paragraph>
<paragraph id="8BE9CC78FFAF1F7FFF0C50CAFABFF5A4" blockId="6.[136,1452,1780,2089]" lastBlockId="7.[136,1452,160,325]" lastPageId="7" lastPageNumber="44" pageId="6" pageNumber="43">
LM observations (
<figureCitation id="136DD0FDFFAF1F7EFEBA50CAFE6EF250" box="[318,434,1780,1801]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Figs 59–76</figureCitation>
): Frustules in girdle view rectangular (
<figureCitation id="136DD0FDFFAF1F7EFCB250CAFC5CF250" box="[822,896,1780,1801]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Fig. 76</figureCitation>
). Valves narrowly linear-lanceolate with weakly convex margins and gradually narrowing, slightly protracted, rounded to almost subrostrate apices. Valve dimensions (n=28): length 12.0– 15.0 μm, width 2.5–3.0 μm. Axial area very narrow, linear. Central area forming a bow-tie shaped, asymmetrical fascia, widening toward the margins. Raphe slightly curved with distinct, drop-like enlarged proximal endings, weakly deflected to one side. Distal raphe fissures barely visible in LM, hooked. Striae moderately radiate in the middle, becoming parallel and even weakly convergent toward the apices,
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10 μm. Areolae not discernible in LM. SEM observations (
<figureCitation id="136DD0FDFFAF1F7EFB995196FB4CF2E4" box="[1053,1168,1960,1981]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Figs 77–80</figureCitation>
): Striae composed of several rounded areolae,
<emphasis id="B922106AFFAF1F7EFEE451F2FEABF2B8" box="[352,375,1996,2017]" italics="true" pageId="6" pageNumber="43">ca</emphasis>
.
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10 μm, covered externally by clearly porous hymenes (
<figureCitation id="136DD0FDFFAF1F7EFC3F51F2FBFBF2B8" box="[955,1063,1996,2017]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Figs 77, 78</figureCitation>
).Areolae gradually becoming smaller on the valve mantle, usually rounded, rarely slit-like near the mantle edge (
<figureCitation id="136DD0FDFFAF1F7EFCE151CEFC77FD5C" box="[869,939,2032,2053]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Fig. 79</figureCitation>
, arrows). At the apices mantle areolae often elongated (
<figureCitation id="136DD0FDFFAF1F7EFF415E2AFED1FD70" box="[197,269,2068,2089]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="6" pageNumber="43">Fig. 79</figureCitation>
). External raphe branches straight to weakly curved with distinctly enlarged, weakly unilaterally deflected proximal raphe endings (
<figureCitation id="136DD0FDFFAE1F7FFE92569EFE5BF5EC" box="[278,391,160,181]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="7" pageNumber="44">Figs 77, 78</figureCitation>
). Distal raphe fissures elongated, hooked opposite to the proximal raphe endings, continuing onto the mantle (
<figureCitation id="136DD0FDFFAE1F7FFF4056FAFEEDF580" box="[196,305,196,217]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="7" pageNumber="44">Figs 77, 79</figureCitation>
). Internally, central nodule thickened (
<figureCitation id="136DD0FDFFAE1F7FFD1956FAFD38F580" box="[669,740,196,217]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="7" pageNumber="44">Fig. 80</figureCitation>
). Internal raphe branches straight with simple proximal raphe endings (
<figureCitation id="136DD0FDFFAE1F7FFA0056FAFF04F5A4" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="7" pageNumber="44">Fig. 80</figureCitation>
). Distal raphe endings terminating onto small helictoglossae (
<figureCitation id="136DD0FDFFAE1F7FFCAD56D6FCADF5A4" box="[809,881,232,253]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="7" pageNumber="44">Fig. 80</figureCitation>
). Areolae clearly visible as rounded pores (
<figureCitation id="136DD0FDFFAE1F7FFA9456D6FA84F5A4" box="[1296,1368,232,253]" captionStart="FIGURES 59–80" captionStartId="8.[136,243,1396,1417]" captionTargetBox="[151,1436,190,1371]" captionTargetId="figure-15@8.[151,1436,190,1371]" captionTargetPageId="8" captionText="FIGURES 59–80. Mayamaea tytgatiana sp. nov. LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm." figureDoi="http://doi.org/10.5281/zenodo.13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="7" pageNumber="44">Fig. 80</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C34C9FF3FFAE1F7FFF0C5732FBE4FD4D" pageId="7" pageNumber="44" type="materials_examined">
<paragraph id="8BE9CC78FFAE1F7FFF0C5732FD16F41C" blockId="7.[136,1452,160,325]" pageId="7" pageNumber="44">
<emphasis id="B922106AFFAE1F7FFF0C5732FF1EF478" bold="true" box="[136,194,268,289]" pageId="7" pageNumber="44">Type:</emphasis>
—
<collectingCountry id="F3418CE8FFAE1F7FFF5F5732FEABF478" box="[219,375,268,289]" name="Antarctica" pageId="7" pageNumber="44">ANTARCTICA</collectingCountry>
. South Shetland Islands: Deception Island, sample D37 (
<geoCoordinate id="EE62AABFFFAE1F7FFC2F5732FB95F478" box="[939,1097,268,289]" degrees="62" direction="south" minutes="59" orientation="latitude" pageId="7" pageNumber="44" precision="1" seconds="25.5" value="-62.990417">62° 59’ 25.5” S</geoCoordinate>
,
<geoCoordinate id="EE62AABFFFAE1F7FFBD25732FB21F478" box="[1110,1277,268,289]" degrees="60" direction="west" minutes="37" orientation="longitude" pageId="7" pageNumber="44" precision="1" seconds="31.7" value="-60.62547">60° 37’ 31.7” W</geoCoordinate>
),
<emphasis id="B922106AFFAE1F7FFA955732FAFCF478" box="[1297,1312,268,289]" italics="true" pageId="7" pageNumber="44">
<collectionCode id="ED4754BDFFAE1F7FFA955732FAFCF478" box="[1297,1312,268,289]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="7" pageNumber="44">R</collectionCode>
</emphasis>
.
<emphasis id="B922106AFFAE1F7FFAAA5732FA59F478" box="[1326,1413,268,289]" italics="true" pageId="7" pageNumber="44">Zidarova</emphasis>
,
<emphasis id="B922106AFFAE1F7FFA175732FE9EF41C" italics="true" pageId="7" pageNumber="44">
<date id="FFE8EAB8FFAE1F7FFA175732FE9EF41C" pageId="7" pageNumber="44" value="2013-01-24">24 January 2013</date>
</emphasis>
(
<typeStatus id="54ED72DAFFAE1F7FFECA570EFE78F41C" box="[334,420,304,325]" pageId="7" pageNumber="44" type="holotype">holotype</typeStatus>
<collectionCode id="ED4754BDFFAE1F7FFE2E570EFE13F41C" box="[426,463,304,325]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="7" pageNumber="44">BR</collectionCode>
! 4453,
<typeStatus id="54ED72DAFFAE1F7FFD90570EFD85F41C" box="[532,601,304,325]" pageId="7" pageNumber="44" type="isotype">isotype</typeStatus>
<collectionCode id="ED4754BDFFAE1F7FFDDB570EFD51F41C" box="[607,653,304,325]" 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="7" pageNumber="44" type="Herbarium">PLP</collectionCode>
! 307).
</paragraph>
<paragraph id="8BE9CC78FFAE1F7FFF0C5189FBE4FD4D" blockId="7.[136,1452,1975,2068]" pageId="7" pageNumber="44">
FIGURES 46–58.
<taxonomicName id="4C56B7FBFFAE1F7FFEBF5189FDF2F295" authorityName="Zidarova &amp; Kopalová &amp; Vijver" authorityYear="2016" box="[315,558,1975,1996]" class="Bacillariophyceae" family="Naviculaceae" genus="Mayamaea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="44" phylum="Ochrophyta" rank="species" species="sweetloveana" status="sp. nov.">
<emphasis id="B922106AFFAE1F7FFEBF5189FDF2F295" box="[315,558,1975,1996]" italics="true" pageId="7" pageNumber="44">Mayamaea sweetloveana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A211AD11FFAE1F7FFDB15189FDA3F295" box="[565,639,1975,1996]" pageId="7" pageNumber="44" rank="species">
<emphasis id="B922106AFFAE1F7FFDB15189FD96F295" box="[565,586,1975,1996]" italics="true" pageId="7" pageNumber="44">sp</emphasis>
.
<emphasis id="B922106AFFAE1F7FFDD35189FDA6F295" box="[599,634,1975,1996]" italics="true" pageId="7" pageNumber="44">nov</emphasis>
.
</taxonomicNameLabel>
LM &amp;
<collectionCode id="ED4754BDFFAE1F7FFD4E5189FD27F295" box="[714,763,1975,1996]" pageId="7" pageNumber="44">SEM</collectionCode>
pictures taken from the
<typeStatus id="54ED72DAFFAE1F7FFC6D5189FBE1F295" box="[1001,1085,1975,1996]" pageId="7" pageNumber="44" type="holotype">holotype</typeStatus>
population (sample D24) from James Ross Island. 46–56. LM views of 11 valves from the type population. 57.
<collectionCode id="ED4754BDFFAE1F7FFCD951E5FC52F2A9" box="[861,910,2011,2032]" pageId="7" pageNumber="44">SEM</collectionCode>
of an entire valve, external view. 58.
<collectionCode id="ED4754BDFFAE1F7FFA8751E5FAE8F2A9" box="[1283,1332,2011,2032]" pageId="7" pageNumber="44">SEM</collectionCode>
of an entire valve, internal view. Scale bar represents 10 μm except for figs 57 and 58 where scale bar = 5 μm.
</paragraph>
</subSubSection>
<caption id="DF299CF0FFA11F70FF0C534AFF26F364" ID-DOI="http://doi.org/10.5281/zenodo.13647374" ID-Zenodo-Dep="13647374" httpUri="https://zenodo.org/record/13647374/files/figure.png" pageId="8" pageNumber="45" startId="8.[136,243,1396,1417]" targetBox="[151,1436,190,1371]" targetPageId="8" targetType="figure">
<paragraph id="8BE9CC78FFA11F70FF0C534AFF26F364" blockId="8.[136,1452,1396,1597]" pageId="8" pageNumber="45">
<emphasis id="B922106AFFA11F70FF0C534AFEE6F0D0" bold="true" box="[136,314,1396,1417]" pageId="8" pageNumber="45">FIGURES 59–80.</emphasis>
<taxonomicName id="4C56B7FBFFA11F70FEC4534AFDCEF0D0" authorityName="Zidarova &amp; Kopalová &amp; Vijver" authorityYear="2016" box="[320,530,1396,1417]" class="Bacillariophyceae" family="Naviculaceae" genus="Mayamaea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="tytgatiana" status="sp. nov.">
<emphasis id="B922106AFFA11F70FEC4534AFDCEF0D0" box="[320,530,1396,1417]" italics="true" pageId="8" pageNumber="45">Mayamaea tytgatiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A211AD11FFA11F70FD9C534AFDBEF0D0" box="[536,610,1396,1417]" pageId="8" pageNumber="45" rank="species">
<emphasis id="B922106AFFA11F70FD9C534AFDF1F0D0" box="[536,557,1396,1417]" italics="true" pageId="8" pageNumber="45">sp</emphasis>
.
<emphasis id="B922106AFFA11F70FDBD534AFD80F0D0" box="[569,604,1396,1417]" italics="true" pageId="8" pageNumber="45">nov</emphasis>
.
</taxonomicNameLabel>
LM &amp; SEM pictures taken from the holotype population (sample D37) from Deception Island (South Shetland Islands). 59–76. LM views of 18 valves from the type population. Fig. 76 shows the girdle view. 77. SEM of an entire valve, external view. 78. SEM detail of the valve externally, showing the enlarged central raphe endings and rounded areolae with external hymenes. 79. SEM view of the valve mantle with the slit-like areolae (arrows) and the hooked, elongated distal raphe endings. 80. SEM of an entire valve, internal view. Scale bar represents 10 μm except for fig. 78 where scale bar = 1 μm and fig. 79 where scale bar = 2 μm.
</paragraph>
</caption>
<subSubSection id="C34C9FF3FFA11F70FF0C5053FF02F3F3" pageId="8" pageNumber="45" type="etymology">
<paragraph id="8BE9CC78FFA11F70FF0C5053FF02F3F3" blockId="8.[136,1452,1645,1850]" pageId="8" pageNumber="45">
<emphasis id="B922106AFFA11F70FF0C5053FECFF3DF" bold="true" box="[136,275,1645,1670]" pageId="8" pageNumber="45">Etymology:</emphasis>
—The specific epithet refers to Dr. Bjorn Tytgat (University of Ghent), member of the CCAMBIO project.
</paragraph>
</subSubSection>
<subSubSection id="C34C9FF3FFA11F70FF39508BFE95F2FF" pageId="8" pageNumber="45" type="biology_ecology">
<paragraph id="8BE9CC78FFA11F70FF39508BFDB5F263" blockId="8.[136,1452,1645,1850]" pageId="8" pageNumber="45">
<emphasis id="B922106AFFA11F70FF39508BFDB5F397" bold="true" box="[189,617,1717,1742]" pageId="8" pageNumber="45">Ecology and confirmed distribution</emphasis>
:—
<taxonomicName id="4C56B7FBFFA11F70FD08508BFC5EF397" authorityName="Zidarova &amp; Kopalová &amp; Vijver" authorityYear="2016" box="[652,898,1717,1742]" class="Bacillariophyceae" family="Naviculaceae" genus="Mayamaea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="species" species="tytgatiana">
<emphasis id="B922106AFFA11F70FD08508BFC5EF397" box="[652,898,1717,1742]" italics="true" pageId="8" pageNumber="45">Mayamaea tytgatiana</emphasis>
</taxonomicName>
has up to now only been found in a few samples from Deception Island (South
<collectingRegion id="4992029AFFA11F70FE5B50E7FD40F3AB" box="[479,668,1753,1778]" country="United Kingdom" name="Shetland Islands" pageId="8" pageNumber="45">Shetland Islands</collectingRegion>
). The largest population was observed on almost dry mosses growing in a small crack of a costal rock. The accompanying diatom flora included typically aerophilic diatom taxa, such as various
<taxonomicName id="4C56B7FBFFA11F70FF65511FFEE2F263" box="[225,318,1825,1850]" class="Bacillariophyceae" family="Naviculaceae" genus="Luticola" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Bacillariophyta" rank="genus">
<emphasis id="B922106AFFA11F70FF65511FFEE2F263" box="[225,318,1825,1850]" italics="true" pageId="8" pageNumber="45">Luticola</emphasis>
</taxonomicName>
and
<taxonomicName id="4C56B7FBFFA11F70FEF1511FFDB5F263" box="[373,617,1825,1850]" class="Bacillariophyceae" family="Diadesmidaceae" genus="Humidophila" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Bacillariophyta" rank="species" species="undetermined">
<emphasis id="B922106AFFA11F70FEF1511FFDD5F263" box="[373,521,1825,1850]" italics="true" pageId="8" pageNumber="45">Humidophila</emphasis>
species.
</taxonomicName>
</paragraph>
<paragraph id="8BE9CC78FFA11F70FF0C5157FE83F2DB" blockId="8.[136,351,1897,1958]" box="[136,351,1897,1922]" pageId="8" pageNumber="45">
Family
<taxonomicName id="4C56B7FBFFA11F70FF5A5157FE83F2DB" box="[222,351,1897,1922]" class="Bacillariophyceae" family="Neidiaceae" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Ochrophyta" rank="family">
<emphasis id="B922106AFFA11F70FF5A5157FE83F2DB" bold="true" box="[222,351,1897,1922]" pageId="8" pageNumber="45">Neidiaceae</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="8BE9CC78FFA11F70FF0C51B3FE95F2FF" blockId="8.[136,351,1897,1958]" box="[136,329,1931,1958]" pageId="8" pageNumber="45">
Genus
<taxonomicName id="4C56B7FBFFA11F70FF5351B5FE95F2FF" authorityName="Frenguelli" authorityYear="1945" baseAuthorityName="Frenguelli" baseAuthorityYear="1924" box="[215,329,1931,1958]" class="Bacillariophyceae" family="Naviculaceae" genus="Muelleria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="45" phylum="Bacillariophyta" rank="genus">
<emphasis id="B922106AFFA11F70FF5351B5FE95F2FF" bold="true" box="[215,329,1931,1958]" italics="true" pageId="8" pageNumber="45">Muelleria</emphasis>
</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
</document>
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