82 lines
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82 lines
11 KiB
XML
<document id="F64F71289D7888C10634E8D76AB4B2EA" ID-CLB-Dataset="298893" ID-DOI="10.4467/16890027AP.16.005.4046" ID-GBIF-Dataset="a75a72f8-bfaf-4b6d-a04b-e40a186b5a41" ID-ISSN="1689-0027" ID-Zenodo-Dep="10994318" IM.bibliography_approvedBy="karina" IM.illustrations_approvedBy="karina" IM.materialsCitations_approvedBy="karina" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="karina" IM.taxonomicNames_approvedBy="karina" IM.treatments_approvedBy="karina" checkinTime="1713466992146" checkinUser="felipe" docAuthor="Thomsen, Helge A., Østergaard, Jette B. & Heldal, Mikal" docDate="2016" docId="03EB512EFF96FF89FF0D794291B8B2F4" docLanguage="en" docName="ActaProtozool.55.1.33-50.pdf" docOrigin="Acta Protozoologica 55 (1)" docSource="https://www.mendeley.com/catalogue/0ed4da50-fdd6-3f27-a928-a1e7a637b9c4/" docStyle="DocumentStyle:64ABA4BEA387EE5C24A0DDEB32CC92E7.3:ActaProtozool.2014-.journal_article" docStyleId="64ABA4BEA387EE5C24A0DDEB32CC92E7" docStyleName="ActaProtozool.2014-.journal_article" docStyleVersion="3" docTitle="Papposphaera sagittifera" docType="treatment" docVersion="6" lastPageNumber="45" masterDocId="FFD22956FF9AFF86FF897E68930BB35C" masterDocTitle="Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and" masterLastPageNumber="50" masterPageNumber="33" pageNumber="45" updateTime="1719342597624" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="2B4ADF78EA9ECEFAB21E9A843568A028">Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and</mods:title>
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<mods:namePart id="11C6BBFC94217B0757A0B0E3E0BA70B9">Thomsen, Helge A.</mods:namePart>
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<mods:namePart id="F707F89DFC7FA5C2739161E1474C196B">Østergaard, Jette B.</mods:namePart>
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<mods:namePart id="B496D680EC8E9EA3F27FA23FF079B19C">Heldal, Mikal</mods:namePart>
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<mods:title id="7098D7372EAEC953550C1EE067FB7DE3">Acta Protozoologica</mods:title>
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<mods:date id="492B3ED7F51B7516867C684E3F21EA07">2016</mods:date>
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<treatment id="03EB512EFF96FF89FF0D794291B8B2F4" ID-DOI="http://doi.org/10.5281/zenodo.12534997" ID-GBIF-Taxon="233767182" ID-Zenodo-Dep="12534997" LSID="urn:lsid:plazi:treatment:03EB512EFF96FF89FF0D794291B8B2F4" httpUri="http://treatment.plazi.org/id/03EB512EFF96FF89FF0D794291B8B2F4" lastPageId="15" lastPageNumber="45" pageId="12" pageNumber="45">
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<subSubSection id="C358B3B3FF96FF8AFF0D79429139B41F" box="[132,562,1833,1860]" pageId="12" pageNumber="45" type="nomenclature">
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<paragraph id="8BFDE038FF96FF8AFF0D79429139B41F" blockId="12.[132,562,1833,1860]" box="[132,562,1833,1860]" pageId="12" pageNumber="45">
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<emphasis id="B9363C2AFF96FF8AFF0D79429139B41F" bold="true" box="[132,562,1833,1860]" pageId="12" pageNumber="45">
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<taxonomicName id="4C429BBBFF96FF8AFF0D79429210B41F" box="[132,283,1833,1860]" class="Coccolithophyceae" family="Papposphaeraceae" genus="Papposphaera" kingdom="Chromista" order="Coccosphaerales" pageId="12" pageNumber="45" phylum="Haptophyta" rank="species" species="sagittifera">
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<emphasis id="B9363C2AFF96FF8AFF0D79429210B41F" bold="true" box="[132,283,1833,1860]" italics="true" pageId="12" pageNumber="45">P. sagittifera</emphasis>
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</taxonomicName>
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cfr. HOL (
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<figureCitation id="1379FCBDFF96FF8AFE2879419121B41F" box="[417,554,1833,1859]" captionStart="Figs 44–48" captionStartId="15.[125,168,1861,1883]" captionTargetId="figure-6@16.[142,1457,223,1939]" captionTargetPageId="16" captionText="Figs 44–48. Papposphaera sagittifera cfr. HOL. TEM whole mounts from the Antarctic (EPOS / Figs 45, 47–48; ANT X/3 / Figs 44, 46). 44 – details of highly asymmetrical flagellar pole holococcoliths; 45–47 – complete cells with flagella and haptonema; 48 – holococcoliths at high magnification." figureDoi="http://doi.org/10.5281/zenodo.12534744" httpUri="https://zenodo.org/record/12534744/files/figure.png" pageId="12" pageNumber="45">Figs 44–48</figureCitation>
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)
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="C358B3B3FF96FF89FF23793491B8B2F4" lastPageId="15" lastPageNumber="48" pageId="12" pageNumber="45" type="description">
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<paragraph id="8BFDE038FF96FF89FF23793491B8B2F4" blockId="12.[132,779,1884,1945]" lastBlockId="15.[125,771,223,424]" lastPageId="15" lastPageNumber="48" pageId="12" pageNumber="45">
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The holococcolithophore component of the combination coccospheres illustrated in
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<figureCitation id="1379FCBDFF96FF8AFD9179179196B4C5" box="[536,669,1919,1945]" captionStart="Figs 38–43" captionStartId="14.[132,175,1656,1678]" captionTargetBox="[146,1449,223,1633]" captionTargetId="figure-165@14.[146,1449,223,1637]" captionTargetPageId="14" captionText="Figs 38–43. Papposphaera sagittifera cfr. TEM combination coccospheres from Antarctica (EPOS / Figs 39, 42–43; ANT X/3 / Figs 38, 40–41). 38 – complete cell with flagella and haptonema; 39 – cell with just a few P. sagittefera cfr. HET coccoliths and ‘Turrisphaera’ holococcoliths that are highly asymmetrical at the anterior pole; 40 – detail of holococcoliths from the cell shown in Fig. 38; 41 – higher magnification of anterior cell end of the cell shown in Fig. 38 to show details of the calyces and the central area calcification; 42–43 – details of coccoliths from the cell shown in Fig. 39." figureDoi="http://doi.org/10.5281/zenodo.10994334" httpUri="https://zenodo.org/record/10994334/files/figure.png" pageId="12" pageNumber="45">Figs 38–43</figureCitation>
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was also abundantly present in the holococcolithophore phase in the EPOS and ANT X/3 samples from the Weddell Sea (
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<figureCitation id="1379FCBDFF96FF8AFCB0782E90C9B53C" box="[825,962,1606,1632]" captionStart="Figs 44–48" captionStartId="15.[125,168,1861,1883]" captionTargetId="figure-6@16.[142,1457,223,1939]" captionTargetPageId="16" captionText="Figs 44–48. Papposphaera sagittifera cfr. HOL. TEM whole mounts from the Antarctic (EPOS / Figs 45, 47–48; ANT X/3 / Figs 44, 46). 44 – details of highly asymmetrical flagellar pole holococcoliths; 45–47 – complete cells with flagella and haptonema; 48 – holococcoliths at high magnification." figureDoi="http://doi.org/10.5281/zenodo.12534744" httpUri="https://zenodo.org/record/12534744/files/figure.png" pageId="12" pageNumber="45">Figs 44–48</figureCitation>
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). The keystone feature of this species is the pronounced asymmetry in the circum-flagellar holococcoliths where one side of the distal end of the tower is drawn out into a long lip-like structure that is offset from the tower itself at an angle of up to 55 degrees. Coccoliths elsewhere are fairly narrow and symmetrical and with a pronounced distal flaring. Cell dimensions in the Antarctic specimens range between 4–6 µm. The circum-flagellar holococcoliths typically reach 3 µm in length whereas those found elsewhere tend to be ca. 1 µm long. The hexagonal plates are of standard ‘
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<taxonomicName id="4C429BBBFF95FF89FF0F7F6A922AB240" box="[134,289,258,284]" class="Coccolithophyceae" family="Calyptrosphaeraceae" genus="Turrisphaera" kingdom="Chromista" order="Coccosphaerales" pageId="15" pageNumber="48" phylum="Haptophyta" rank="genus">
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<emphasis id="B9363C2AFF95FF89FF0F7F6A922AB240" box="[134,289,258,284]" italics="true" pageId="15" pageNumber="48">Turrisphaera</emphasis>
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</taxonomicName>
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’ size. When measuring 37 individual plates from
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<figureCitation id="1379FCBDFF95FF89FE827F4D9255B263" box="[267,350,293,319]" captionStart="Figs 44–48" captionStartId="15.[125,168,1861,1883]" captionTargetId="figure-6@16.[142,1457,223,1939]" captionTargetPageId="16" captionText="Figs 44–48. Papposphaera sagittifera cfr. HOL. TEM whole mounts from the Antarctic (EPOS / Figs 45, 47–48; ANT X/3 / Figs 44, 46). 44 – details of highly asymmetrical flagellar pole holococcoliths; 45–47 – complete cells with flagella and haptonema; 48 – holococcoliths at high magnification." figureDoi="http://doi.org/10.5281/zenodo.12534744" httpUri="https://zenodo.org/record/12534744/files/figure.png" pageId="15" pageNumber="48">Fig. 48</figureCitation>
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the mean value is 0.11 ± 0.014 µm and the overall range 0.06–0.14 µm. A central hole in the hexagonal plates is a typical feature of these cells. No underlayer scales have so far been observed.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |