165 lines
35 KiB
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165 lines
35 KiB
XML
<document id="358D429213CF8BC14F17D13E4537E6CB" ID-DOI="10.11646/phytotaxa.314.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13700770" 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.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725575392568" checkinUser="felipe" docAuthor="Bosak, Sunčica & Sarno, Diana" docDate="2017" docId="038587FE5142FFEC6AE5F910D9C6FDD1" docLanguage="en" docName="phytotaxa.314.1.1.pdf" docOrigin="Phytotaxa 314 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.314.1.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Chaetoceros danicus Cleve 1889" docType="treatment" docVersion="2" lastPageNumber="9" masterDocId="FFBCFF865144FFE46A6DFFCBDD70FFEC" masterDocTitle="The planktonic diatom genus Chaetoceros Ehrenberg (Bacillariophyta) from the Adriatic Sea" masterLastPageNumber="44" masterPageNumber="1" pageNumber="7" updateTime="1725585328926" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="603A429B28CF0958B691CE84A9ADC26B">The planktonic diatom genus Chaetoceros Ehrenberg (Bacillariophyta) from the Adriatic Sea</mods:title>
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<mods:namePart id="82E4ED493C942BC795EE1F5E5D223AE4">Bosak, Sunčica</mods:namePart>
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<mods:affiliation id="C28888E1AD224A7C7ED462C2F9D28BC1">University of Zagreb, Faculty of Science, Department of Biology, Rooseveltov trg 6, HR- 10000 Zagreb, Croatia</mods:affiliation>
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<mods:namePart id="F20DF0C8C737939AC64E13DFDA3F5237">Sarno, Diana</mods:namePart>
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<mods:affiliation id="5DAD1751AFF92E8616A3AC89D41DD624">Stazione Zoologica Anton Dohrn, Department of Integrative Marine Ecology, Villa Comunale, 80121 Naples, Italy</mods:affiliation>
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<paragraph id="8B9336E85142FFE26AE5F910DFB6F91B" blockId="6.[136,710,1755,1783]" box="[136,710,1755,1783]" pageId="6" pageNumber="7">
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<heading id="D0DB81845142FFE26AE5F910DFB6F91B" box="[136,710,1755,1783]" fontSize="11" level="2" pageId="6" pageNumber="7" reason="3">
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<treatmentCitation id="0A8D10F95142FFE26AE5F910DF4DF91B" author="Cleve, P. T." box="[136,573,1755,1783]" page=")" pageId="6" pageNumber="7" year="1889">
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<taxonomicName id="4C2C4D6B5142FFE26AE5F910DF4DF91B" ID-CoL="TB3V" authority="Cleve (1889: 55)" authorityName="Cleve" authorityPageNumber="55" authorityYear="1889" box="[136,573,1755,1783]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="6" pageNumber="7" phylum="Ochrophyta" rank="species" species="danicus">
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<emphasis id="B958EAFA5142FFE26AE5F910DC08F91A" bold="true" box="[136,376,1755,1782]" italics="true" pageId="6" pageNumber="7">Chaetoceros danicus</emphasis>
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<bibRefCitation id="EFBD4B195142FFE26B12F915DF4DF91B" author="Cleve, P. T." box="[383,573,1758,1783]" pageId="6" pageNumber="7" pagination="1883 - 86" refId="ref26139" refString="Cleve, P. T. (1889) Pelagisk Diatomeer fran Kattegat. In: Petersen, C. G. J. (Ed.) Det Videnskabelige Udbytte af Kanonbaaden " Hauchs " Togter i de Danske Have Indefor Skagen, I. Aarene 1883 - 86. Andr. Fred. Host & Sons Forlag, Kjobenhavn, pp. 53 - 56." type="book chapter" year="1889">Cleve (1889: 55)</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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(
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<figureCitation id="13172A6D5142FFE26821F915DFCEF91B" box="[588,702,1758,1783]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="6" pageNumber="7">Figs 5–12</figureCitation>
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)
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</treatmentCitationGroup>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C33665635142FFEC6AE5F8CFD9C6FDD1" lastPageId="8" lastPageNumber="9" pageId="6" pageNumber="7" type="reference_group">
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<paragraph id="8B9336E85142FFE26AE5F8CFDFA3F8D1" blockId="6.[136,1451,1796,1853]" pageId="6" pageNumber="7">
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<emphasis id="B958EAFA5142FFE26AE5F8CFDD87F8F5" bold="true" box="[136,247,1796,1817]" pageId="6" pageNumber="7">References</emphasis>
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:—
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<bibRefCitation id="EFBD4B195142FFE26B79F8CFDCD9F8F5" author="Hustedt, F." box="[276,425,1796,1817]" pageId="6" pageNumber="7" refId="ref27612" refString="Hustedt, F. (1930) Die Kieselalgen Deutschlands, Osterrreichs und der Schweiz under Berucksichtigung der ubrigen Lander Europas sowie der angrenzenden Meeresgebiete. 1. Teil. Akademische Verlaggesellschaft, Leipzig, 920 pp." type="book" year="1930">Hustedt (1930)</bibRefCitation>
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,
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<bibRefCitation id="EFBD4B195142FFE26BDFF8CFDF5EF8F5" author="Cupp, E. E." box="[434,558,1796,1817]" pageId="6" pageNumber="7" pagination="1 - 237" refId="ref26235" refString="Cupp, E. E. (1943) Marine plankton diatoms of the west coast of north America. Bulletin of the Scripps Institution of Oceanography Technical series 5: 1 - 237." type="book chapter" year="1943">Cupp (1943)</bibRefCitation>
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,
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<bibRefCitation id="EFBD4B195142FFE26855F8CFDE47F8F5" author="Rines, J. E. B. & Hargraves, P. E." box="[568,823,1796,1817]" pageId="6" pageNumber="7" refId="ref29358" refString="Rines, J. E. B. & Hargraves, P. E. (1988) The Chaetoceros Ehrenberg (Bacillariophyceae) Flora of Narragansett Bay, Rhode Island, U. S. A. Bibliotheca Phycologica, Band 79, J. Cramer, Berlin, 196 pp." type="book" year="1988">Rines & Hargraves (1988)</bibRefCitation>
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,
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<bibRefCitation id="EFBD4B195142FFE2692CF8CFD936F8F5" author="Hernandez-Becerril, D. U." box="[833,1094,1796,1817]" pageId="6" pageNumber="7" pagination="1 - 73" refId="ref27227" refString="Hernandez-Becerril, D. U. (1996) A morphological study of Chaetoceros species (Bacillariophyta) from the plankton of the Pacific Ocean of Mexico. Bullettin of the Natural History Museum of London 26: 1 - 73." type="journal article" year="1996">Hernández-Becerril (1996)</bibRefCitation>
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,
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<bibRefCitation id="EFBD4B195142FFE26E3DF8CFD821F8F5" author="Jensen, K. G. & Moestrup, O." box="[1104,1361,1796,1817]" pageId="6" pageNumber="7" pagination="1 - 68" refId="ref27749" refString="Jensen, K. G. & Moestrup, O. (1998) The genus Chaetoceros (Bacillariophyceae) in innner Danish coastal waters. Opera Botanica 133: 1 - 68." type="journal article" year="1998">Jensen & Moestrup (1998)</bibRefCitation>
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,
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<bibRefCitation id="EFBD4B195142FFE26F36F8CFDC46F8D1" author="Sunesen, I. & Hernandez-Becerril, D. U. & Sar, E. A." pageId="6" pageNumber="7" pagination="303 - 326" refId="ref29885" refString="Sunesen, I., Hernandez-Becerril, D. U. & Sar, E. A. (2008) Marine diatoms from Buenos Aires coastal waters (Argentina). V. Species of the genus Chaetoceros. Revista de Biologia Marina y Oceanografia 43: 303 - 326. https: // doi. org / 10.4067 / s 0718 - 19572008000200009" type="journal article" year="2008">
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Sunesen
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||
<emphasis id="B958EAFA5142FFE26AD0F8E3DD9EF8D1" box="[189,238,1832,1853]" italics="true" pageId="6" pageNumber="7">et al.</emphasis>
|
||
(2008)
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</bibRefCitation>
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||
,
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<bibRefCitation id="EFBD4B195142FFE26B52F8E3DF7EF8D1" author="Kooistra, W. H. C. F. & Sarno, D. & Hernandez-Becerril, D. U. & Assmy, P. & Di Prisco, C. & Montresor, M." box="[319,526,1832,1853]" pageId="6" pageNumber="7" pagination="471 - 500" refId="ref27928" refString="Kooistra, W. H. C. F., Sarno, D., Hernandez-Becerril, D. U., Assmy, P., Di Prisco, C. & Montresor, M. (2010) Comparative molecular and morphological phylogenetic analyses of taxa in the Chaetocerotaceae (Bacillariophyta). Phycologia 5: 471 - 500. https: // doi. org / 10.2216 / 09 - 59.1" type="journal article" year="2010">
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Kooistra
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||
<emphasis id="B958EAFA5142FFE26BF5F8E3DCB9F8D1" box="[408,457,1832,1853]" italics="true" pageId="6" pageNumber="7">et al.</emphasis>
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||
(2010)
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||
</bibRefCitation>
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||
,
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||
<bibRefCitation id="EFBD4B195142FFE2684DF8E3DFBFF8D1" author="Lee, S. D. & Park, J. S. & Yun, S. M. & Lee, J. H." box="[544,719,1832,1853]" pageId="6" pageNumber="7" pagination="174 - 187" refId="ref28250" refString="Lee, S. D., Park, J. S., Yun, S. M. & Lee, J. H. (2014 b) Critical criteria for identification of the genus Chaetoceros (Bacillariophyta) based on setae ultrastructure. I. Subgenus Chaetoceros. Phycologia 53: 174 - 187. https: // doi. org / 10.2216 / 13 - 154.1" type="journal article" year="2014">
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||
Lee
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||
<emphasis id="B958EAFA5142FFE26827F8E3DF0BF8D1" box="[586,635,1832,1853]" italics="true" pageId="6" pageNumber="7">et al.</emphasis>
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||
(2014b)
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||
</bibRefCitation>
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||
.
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||
</paragraph>
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||
<paragraph id="8B9336E85142FFE26AE5F8A5DFB0F86B" blockId="6.[136,1452,1902,2071]" box="[136,704,1902,1927]" pageId="6" pageNumber="7">
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<emphasis id="B958EAFA5142FFE26AE5F8A5DC4BF86B" bold="true" box="[136,315,1902,1927]" pageId="6" pageNumber="7">Morphometry:</emphasis>
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||
—a.a.: 12–40 μm; p.a.: 13–23 μm.
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</paragraph>
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||
<paragraph id="8B9336E85142FFE36AD0F859DF44FECE" blockId="6.[136,1452,1902,2071]" lastBlockId="7.[136,1451,160,290]" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
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<emphasis id="B958EAFA5142FFE26AD0F859DD84F847" bold="true" box="[189,244,1938,1963]" pageId="6" pageNumber="7">LM:</emphasis>
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—Cells are usually solitary but occasionally found in short chains composed of two to three cells. Cells contain numerous small chloroplasts located in the central body and in the setae (
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<figureCitation id="13172A6D5142FFE26E4CF87DD9F8F823" box="[1057,1160,1974,1999]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="6" pageNumber="7">Figs 5, 6</figureCitation>
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). The valve face is flat or slightly concave; the mantle is moderately high and the girdle is small. Long and thick setae originate from the valve corners and extend perpendicular to pervalvar axis. They are usually straight, but can also be slightly curved in the apical plane. In the same cell, the two valves are generally rotated to each other at ca. 45° and the setae form a typical cross when observed in valve view (
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<figureCitation id="13172A6D5143FFE36870FF08DF11FF30" box="[541,609,195,220]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="7" pageNumber="8">Fig. 5</figureCitation>
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). When two cells are found attached to each other, the setae are fused at the valve corners for a short distance without a basal part but the narrow apertures can still be observed due to the slight concave surface of the valves (
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<figureCitation id="13172A6D5143FFE36B8CFEC2DF55FECE" box="[481,549,265,290]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="7" pageNumber="8">Fig. 6</figureCitation>
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).
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</paragraph>
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|
||
<emphasis id="B958EAFA5143FFE36AE5F8EFDC40F8D5" bold="true" box="[136,304,1828,1849]" pageId="7" pageNumber="8">FIGURES 2–12.</emphasis>
|
||
<emphasis id="B958EAFA5143FFE36B55F8EFDEBAF8D5" box="[312,970,1828,1849]" italics="true" pageId="7" pageNumber="8">
|
||
<taxonomicName id="4C2C4D6B5143FFE36B55F8EFDF6FF8D5" authorityName="Lauder" authorityYear="1864" box="[312,543,1828,1849]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="7" pageNumber="8" phylum="Ochrophyta" rank="species" species="coarctatus">Chaetoceros coarctatus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2C4D6B5143FFE36844F8EFDF9DF8D5" authorityName="Pavillard" authorityYear="1913" box="[553,749,1828,1849]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="7" pageNumber="8" phylum="Ochrophyta" rank="species" species="dadayi">Chaetoceros dadayi</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2C4D6B5143FFE36895F8EFDEB6F8D5" authorityName="Cleve" authorityYear="1889" box="[760,966,1828,1849]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="7" pageNumber="8" phylum="Ochrophyta" rank="species" species="danicus">Chaetoceros danicus</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3:
|
||
<taxonomicName id="4C2C4D6B5143FFE36A8AF88DDCB8F8B7" authorityName="Lauder" authorityYear="1864" box="[231,456,1862,1883]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="7" pageNumber="8" phylum="Ochrophyta" rank="species" species="coarctatus">
|
||
<emphasis id="B958EAFA5143FFE36A8AF88DDCB8F8B7" box="[231,456,1862,1883]" italics="true" pageId="7" pageNumber="8">Chaetoceros coarctatus</emphasis>
|
||
</taxonomicName>
|
||
field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4:
|
||
<taxonomicName id="4C2C4D6B5143FFE36E30F8A2D86DF892" authorityName="Pavillard" authorityYear="1913" box="[1117,1309,1897,1918]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="7" pageNumber="8" phylum="Ochrophyta" rank="species" species="dadayi">
|
||
<emphasis id="B958EAFA5143FFE36E30F8A2D86DF892" box="[1117,1309,1897,1918]" italics="true" pageId="7" pageNumber="8">Chaetoceros dadayi</emphasis>
|
||
</taxonomicName>
|
||
field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12:
|
||
<taxonomicName id="4C2C4D6B5143FFE36E8FF847D8DCF84D" authorityName="Cleve" authorityYear="1889" box="[1250,1452,1932,1953]" class="Bacillariophyceae" family="Chaetocerotaceae" genus="Chaetoceros" kingdom="Chromista" order="Chaetocerotales" pageId="7" pageNumber="8" phylum="Ochrophyta" rank="species" species="danicus">
|
||
<emphasis id="B958EAFA5143FFE36E8FF847D8DCF84D" box="[1250,1452,1932,1953]" italics="true" pageId="7" pageNumber="8">Chaetoceros danicus</emphasis>
|
||
</taxonomicName>
|
||
culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9336E8514CFFEC6AD0FF6BD9C8FE3E" blockId="8.[136,1452,160,573]" pageId="8" pageNumber="9">
|
||
<emphasis id="B958EAFA514CFFEC6AD0FF6BDD84FF55" bold="true" box="[189,244,160,185]" pageId="8" pageNumber="9">EM:</emphasis>
|
||
—The valve is ornamented by a small round central annulus with numerous branching costae extending towards the valve edge, and by numerous poroids irregularly scattered over the valve surface, excluding the central part and mantle (
|
||
<figureCitation id="13172A6D514CFFEC6B25FF2DDCFDFF13" box="[328,397,230,255]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Fig. 7</figureCitation>
|
||
). The mantle is constricted near the edge (
|
||
<figureCitation id="13172A6D514CFFEC6900FF2DDEC0FF13" box="[877,944,230,255]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Fig. 8</figureCitation>
|
||
) and often ornamented by irregular siliceous thickenings (
|
||
<figureCitation id="13172A6D514CFFEC6B77FEC2DC11FECE" box="[282,353,265,290]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Fig. 9</figureCitation>
|
||
). Every valve possesses a centrally located rimoportula in the form of a simple oval or commashaped hole on the internal side of the valve (
|
||
<figureCitation id="13172A6D514CFFEC68EFFEE7DF99FEA9" box="[642,745,300,325]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Figs 7–9</figureCitation>
|
||
). Setae in cross-section are round at the bases and later become four to six-sided, with a row of arrowhead-shaped spines on each ridge (1–2 spines in 10 μm) (
|
||
<figureCitation id="13172A6D514CFFEC6EF2FE9BD981FE85" box="[1183,1265,336,361]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Fig. 10</figureCitation>
|
||
). The setae sides are ornamented by poroids arranged in a grid pattern, 3–5 longitudinal rows of poroids on each setae side and one transverse row between not particularly thick transverse costae (
|
||
<figureCitation id="13172A6D514CFFEC6936FE5DDEDDFE43" box="[859,941,406,431]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Fig. 11</figureCitation>
|
||
). Girdle bands are ornamented by alternating costae and striae. The band striae are perforated by irregularly scattered small poroids (
|
||
<figureCitation id="13172A6D514CFFEC6E3AFE72D9DBFE3E" box="[1111,1195,441,466]" captionStart="FIGURES 2–12" captionStartId="7.[136,243,1828,1849]" captionTargetBox="[151,1436,315,1775]" captionTargetId="figure-90@7.[151,1436,315,1804]" captionTargetPageId="7" captionText="FIGURES 2–12. Chaetoceros coarctatus, Chaetoceros dadayi, Chaetoceros danicus. Figs 2–6: LM. Figs 7, 9–12: TEM. Fig. 8: SEM. Figs 2–3: Chaetoceros coarctatus field material. 2) Middle part of a chain, note the narrow apertures and attached ciliate cells. 3) Terminal part of a chain showing the orientation of the setae. Arrows indicate plastids within the setae. Fig. 4: Chaetoceros dadayi field material. Complete chain with the attached tininnid lorica. Note the characteristic orientation of intercalary setae. Figs 5–12: Chaetoceros danicus culture material, strain PMFDA1. 5) Cell in valve view, note the cross orientation of the setae. 6) Chain of two cells in girdle view. 7) Valve view showing the fine structure. 8) Internal view of the valve. 9) Fine structure of the two overlaid valves with the siliceous thickenings on the valve margin (arrow) 10) Detail of a seta. 11) Single side of the seta with arrowhead spines and poroids arranged in a grid pattern. 12) Detail of a girdle band. Scale bars: 3=50 μm; 2, 4, 5=20 μm; 6=10 μm; 7, 9=5 μm; 8=2 μm; 10–12=1 μm." figureDoi="http://doi.org/10.5281/zenodo.13700774" httpUri="https://zenodo.org/record/13700774/files/figure.png" pageId="8" pageNumber="9">Fig. 12</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9336E8514CFFEC6AD0FE17D9C6FDD1" blockId="8.[136,1452,160,573]" pageId="8" pageNumber="9">
|
||
<emphasis id="B958EAFA514CFFEC6AD0FE17DCDEFE19" bold="true" box="[189,430,476,501]" pageId="8" pageNumber="9">Distinctive features:</emphasis>
|
||
—Usually single cells, straight and thick setae perpendicular to the pervalvar axis, forming a cross in valve view. Setae mainly tetragonal with arrowhead-shaped spines on the ridges and sides pattern consisting of poroids arranged in a grid, 3–5 longitudinal poroid rows, one transverse row between costae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |