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120 lines
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<document id="0481AB59E826C35E1166BC762AF0A130" 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="03EB512EFF91FF8AFCA07BED92A7B44E" 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="44" masterDocId="FFD22956FF9AFF86FF897E68930BB35C" masterDocTitle="Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and" masterLastPageNumber="50" masterPageNumber="33" pageNumber="44" updateTime="1719342597624" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo id="519BD1640C2B983F0361922D4E1CB409">
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<mods:title id="D106C83099F7385DCACEDCDCFC57D014">Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and</mods:title>
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<mods:namePart id="73A940D496771B9A6D9B46E0D3DF3F2B">Thomsen, Helge A.</mods:namePart>
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<mods:namePart id="86D75C9A4BDCA89699EDF38BFA524E8E">Østergaard, Jette B.</mods:namePart>
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<mods:namePart id="C7A386D1BA6C8C47DCFFA88127A70C62">Heldal, Mikal</mods:namePart>
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<mods:typeOfResource id="82C721570DE7D98B4EBA5145C713C880">text</mods:typeOfResource>
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<mods:title id="186901488F56F2DC4DB104FB5B6E0968">Acta Protozoologica</mods:title>
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<mods:date id="95746B0C83D997CC0B8BF75CF241CF74">2016</mods:date>
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<mods:number id="5D01919769377F13B9D479AFA7772BFB">55</mods:number>
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<mods:start id="57F09B6A8596F696E4837DBBF3708802">33</mods:start>
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<treatment id="03EB512EFF91FF8AFCA07BED92A7B44E" ID-DOI="http://doi.org/10.5281/zenodo.12534995" ID-GBIF-Taxon="233767187" ID-Zenodo-Dep="12534995" LSID="urn:lsid:plazi:treatment:03EB512EFF91FF8AFCA07BED92A7B44E" httpUri="http://treatment.plazi.org/id/03EB512EFF91FF8AFCA07BED92A7B44E" lastPageId="12" lastPageNumber="44" pageId="11" pageNumber="44">
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<subSubSection id="C358B3B3FF91FF8DFCA07BED9044B69D" pageId="11" pageNumber="44" type="nomenclature">
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<paragraph id="8BFDE038FF91FF8DFCA07BED9044B69D" blockId="11.[809,1455,1413,1473]" pageId="11" pageNumber="44">
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<emphasis id="B9363C2AFF91FF8DFCA07BED9044B69D" bold="true" pageId="11" pageNumber="44">
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<taxonomicName id="4C429BBBFF91FF8DFCA07BED90CBB6C3" box="[809,960,1413,1439]" class="Coccolithophyceae" family="Papposphaeraceae" genus="Papposphaera" kingdom="Chromista" order="Coccosphaerales" pageId="11" pageNumber="44" phylum="Haptophyta" rank="species" species="sagittifera">
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<emphasis id="B9363C2AFF91FF8DFCA07BED90CBB6C3" bold="true" box="[809,960,1413,1439]" italics="true" pageId="11" pageNumber="44">P. sagittifera</emphasis>
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</taxonomicName>
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cfr. combination coccosphere (
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<figureCitation id="1379FCBDFF91FF8DFACC7BED9043B69D" 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="11" pageNumber="44">Figs 38– 43</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="C358B3B3FF91FF8AFCC67BB192A7B44E" lastPageId="12" lastPageNumber="45" pageId="11" pageNumber="44" type="description">
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<paragraph id="8BFDE038FF91FF8DFCC67BB1965CB522" blockId="11.[809,1456,1497,1940]" pageId="11" pageNumber="44">
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Both the EPOS and ANT X/3 Antarctic Weddell Sea material encompassed combination coccospheres that involve
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<taxonomicName id="4C429BBBFF91FF8DFC0078489714B565" box="[905,1055,1567,1593]" class="Coccolithophyceae" family="Papposphaeraceae" genus="Papposphaera" kingdom="Chromista" order="Coccosphaerales" pageId="11" pageNumber="44" phylum="Haptophyta" rank="species" species="sagittifera">
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<emphasis id="B9363C2AFF91FF8DFC0078489714B565" box="[905,1055,1567,1593]" italics="true" pageId="11" pageNumber="44">P. sagittifera</emphasis>
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</taxonomicName>
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cfr. HET and a
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<taxonomicName id="4C429BBBFF91FF8DFB557877967CB565" box="[1244,1399,1567,1593]" class="Coccolithophyceae" family="Calyptrosphaeraceae" genus="Turrisphaera" kingdom="Chromista" order="Coccosphaerales" pageId="11" pageNumber="44" phylum="Haptophyta" rank="genus">
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<emphasis id="B9363C2AFF91FF8DFB557877967CB565" box="[1244,1399,1567,1593]" italics="true" pageId="11" pageNumber="44">Turrisphaera</emphasis>
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</taxonomicName>
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species that is not identical to
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<taxonomicName id="4C429BBBFF91FF8DFBE5782A960FB500" box="[1132,1284,1602,1628]" class="Coccolithophyceae" family="Papposphaeraceae" genus="Papposphaera" kingdom="Chromista" order="Coccosphaerales" pageId="11" pageNumber="44" phylum="Haptophyta" rank="species" species="sagittifera">
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<emphasis id="B9363C2AFF91FF8DFBE5782A960FB500" box="[1132,1284,1602,1628]" italics="true" pageId="11" pageNumber="44">P. sagittifera</emphasis>
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</taxonomicName>
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cfr. HOL, nor the Antarctic
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<taxonomicName id="4C429BBBFF91FF8DFC4E780C9781B523" box="[967,1162,1636,1663]" class="Coccolithophyceae" family="Calyptrosphaeraceae" genus="Turrisphaera" kingdom="Chromista" order="Coccosphaerales" pageId="11" pageNumber="44" phylum="Haptophyta" rank="species" species="undetermined">
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<emphasis id="B9363C2AFF91FF8DFC4E780C9769B522" box="[967,1122,1636,1662]" italics="true" pageId="11" pageNumber="44">Turrisphaera</emphasis>
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sp.
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</taxonomicName>
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described above.
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</paragraph>
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<paragraph id="8BFDE038FF91FF8AFCC678EF92A7B44E" blockId="11.[809,1456,1497,1940]" lastBlockId="12.[132,779,1536,1810]" lastPageId="12" lastPageNumber="45" pageId="11" pageNumber="44">
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In the heterococcolithophore component the central area calcification is rarely exposed, yet it appears to display (
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<figureCitation id="1379FCBDFF91FF8DFC1878A490E2B5BA" box="[913,1001,1740,1766]" 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="11" pageNumber="44">Fig. 41</figureCitation>
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) the same aspects of asymmetry (i.e. a skewed cross bar and randomly oriented peripheral elements) described above for
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<taxonomicName id="4C429BBBFF91FF8DFB29797A9631B470" box="[1184,1338,1810,1836]" class="Coccolithophyceae" family="Papposphaeraceae" genus="Papposphaera" kingdom="Chromista" order="Coccosphaerales" pageId="11" pageNumber="44" phylum="Haptophyta" rank="species" species="sagittifera">
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<emphasis id="B9363C2AFF91FF8DFB29797A9631B470" box="[1184,1338,1810,1836]" italics="true" pageId="11" pageNumber="44">P. sagittifera</emphasis>
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</taxonomicName>
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cfr. HET (
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<figureCitation id="1379FCBDFF91FF8DFCB8795C9085B412" box="[817,910,1844,1870]" captionStart="Figs 27–32" captionStartId="12.[132,175,1346,1368]" captionTargetBox="[150,1445,223,1308]" captionTargetId="figure-278@12.[150,1445,223,1311]" captionTargetPageId="12" captionText="Figs 27–32. Papposphaera sagittifera cfr. HET. TEM whole mounts from the Antarctic (EPOS samples). 27 – complete cell with flagella and a curled up haptonema; 28 – high magnification of calyces (four-winged rosettes) from Fig. 27; 29 – high magnification of calyx from Fig. 30; 30 – complete cell with flagella and a curled up haptonema; 31 – detail of central area calcification from the cell in Fig. 30; 32 – details of rim structure from the cell shown in Fig. 30." figureDoi="http://doi.org/10.5281/zenodo.10994332" httpUri="https://zenodo.org/record/10994332/files/figure.png" pageId="11" pageNumber="44">Fig. 31</figureCitation>
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). The calyx is a flaring four-winged rosette (
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<figureCitation id="1379FCBDFF91FF8DFCB8793F90B4B42D" box="[817,959,1879,1905]" 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="11" pageNumber="44">Figs 41–42</figureCitation>
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) in which each individual wing shows a pronounced stepwise reduction in width towards the distal tip. The holococcolithophore part is characterized by a pronounced asymmetry in the flagellar pole
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<typeStatus id="54F95E9AFF96FF8AFD44784B93F8B53D" pageId="12" pageNumber="45" type="holotype">holococcolith</typeStatus>
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, and a more slender yet overall symmetrical appearance of coccoliths elsewhere in the periplast. The unilateral flaring of the circum-flagellar holococcoliths immediately distinguishes this
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<taxonomicName id="4C429BBBFF96FF8AFE7A78D89165B596" box="[499,622,1712,1738]" form="from" pageId="12" pageNumber="45" rank="form">form from</taxonomicName>
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both Antarctic
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<taxonomicName id="4C429BBBFF96FF8AFF2578BC9278B5B2" box="[172,371,1748,1774]" class="Coccolithophyceae" family="Calyptrosphaeraceae" genus="Turrisphaera" kingdom="Chromista" order="Coccosphaerales" pageId="12" pageNumber="45" phylum="Haptophyta" rank="species" species="undetermined">
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<emphasis id="B9363C2AFF96FF8AFF2578BC924CB5B2" box="[172,327,1748,1774]" italics="true" pageId="12" pageNumber="45">Turrisphaera</emphasis>
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sp.
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</taxonomicName>
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(
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<figureCitation id="1379FCBDFF96FF8AFE0C78BC9104B5B2" box="[389,527,1748,1774]" captionStart="Figs 33–37" captionStartId="14.[132,175,1869,1891]" captionTargetId="figure-8@13.[125,1452,223,1935]" captionTargetPageId="13" captionText="Figs 33–37. Turrisphaera sp. TEM whole mounts from the Antarctic (EPOS samples). 33 – complete cell with flagella and haptonema; 34 – whole cell at higher magnification showing the regular appearance of the tower-shaped holococcoliths; 35–36 – details of holococ- coliths showing the hexagonal crystallite plates; 37 – complete cell." figureDoi="http://doi.org/10.5281/zenodo.12534740" httpUri="https://zenodo.org/record/12534740/files/figure.png" pageId="12" pageNumber="45">Figs 33–37</figureCitation>
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) and Arctic
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<taxonomicName id="4C429BBBFF96FF8AFD2178BC920DB44D" authority="HOL" authorityName="HOL" 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="B9363C2AFF96FF8AFD2178BC93CFB44D" italics="true" pageId="12" pageNumber="45">P. sagittifera</emphasis>
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HOL
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</taxonomicName>
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(
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<figureCitation id="1379FCBDFF96FF8AFE9F789F9294B44E" box="[278,415,1783,1810]" captionStart="Figs 23–26" captionStartId="10.[132,175,1859,1881]" captionTargetBox="[129,1467,223,1774]" captionTargetId="figure-63@10.[129,1467,223,1775]" captionTargetPageId="10" captionText="Figs 23–26. Papposphaera sagittifera HOL (TEM / Figs 23–25; SEM / Fig. 26) from the Arctic (NEW / Figs 23–25; Svalbard / Fig. 26). 23–25 – complete cells showing flagella, haptonema (Fig. 25, arrow) and large numbers of tower-shaped holococcoliths projecting in all directions; 26 – high magnification of the hexagonal crystallite plates." figureDoi="http://doi.org/10.5281/zenodo.10994328" httpUri="https://zenodo.org/record/10994328/files/figure.png" pageId="12" pageNumber="45">Figs 23–26</figureCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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