Papposphaera sagittifera
P. sagittifera cfr. combination coccosphere (Figs 38– 43) Both the EPOS and ANT X/3 Antarctic Weddell Sea material encompassed combination coccospheres that involve P. sagittifera cfr. HET and a Turrisphaera species that is not identical to P. sagittifera cfr. HOL, nor the Antarctic Turrisphaera sp....
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Online Access: | https://doi.org/10.5281/zenodo.12534995 http://treatment.plazi.org/id/03EB512EFF91FF8AFCA07BED92A7B44E |
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ftzenodo:oai:zenodo.org:12534995 2024-09-15T17:48:13+00:00 Papposphaera sagittifera Thomsen, Helge A. Østergaard, Jette B. Heldal, Mikal 2016-12-31 https://doi.org/10.5281/zenodo.12534995 http://treatment.plazi.org/id/03EB512EFF91FF8AFCA07BED92A7B44E unknown Zenodo https://doi.org/10.4467/16890027AP.16.005.4046 http://zenodo.org/record/10994318 http://publication.plazi.org/id/FFD22956FF9AFF86FF897E68930BB35C https://sibils.text-analytics.ch/search/collections/plazi/03EB512EFF91FF8AFCA07BED92A7B44E https://www.gbif.org/species/233767187 https://www.checklistbank.org/dataset/298893/taxon/03EB512EFF91FF8AFCA07BED92A7B44E.taxon https://doi.org/10.5281/zenodo.10994334 https://doi.org/10.5281/zenodo.10994332 https://doi.org/10.5281/zenodo.12534740 https://doi.org/10.5281/zenodo.10994328 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.12534994 https://doi.org/10.5281/zenodo.12534995 oai:zenodo.org:12534995 http://treatment.plazi.org/id/03EB512EFF91FF8AFCA07BED92A7B44E info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and, pp. 33-50 in Acta Protozoologica, 55(1), 44, (2016-12-31) Biodiversity Taxonomy Chromista Haptophyta Coccolithophyceae Coccosphaerales Papposphaeraceae Papposphaera Papposphaera sagittifera info:eu-repo/semantics/other 2016 ftzenodo https://doi.org/10.5281/zenodo.1253499510.4467/16890027AP.16.005.404610.5281/zenodo.1099433410.5281/zenodo.1099433210.5281/zenodo.1253474010.5281/zenodo.1099432810.5281/zenodo.12534994 2024-07-25T21:41:13Z P. sagittifera cfr. combination coccosphere (Figs 38– 43) Both the EPOS and ANT X/3 Antarctic Weddell Sea material encompassed combination coccospheres that involve P. sagittifera cfr. HET and a Turrisphaera species that is not identical to P. sagittifera cfr. HOL, nor the Antarctic Turrisphaera sp. described above. In the heterococcolithophore component the central area calcification is rarely exposed, yet it appears to display (Fig. 41) the same aspects of asymmetry (i.e. a skewed cross bar and randomly oriented peripheral elements) described above for P. sagittifera cfr. HET (Fig. 31). The calyx is a flaring four-winged rosette (Figs 41–42) 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 holococcolith, 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 form from both Antarctic Turrisphaera sp. (Figs 33–37) and Arctic P. sagittifera HOL (Figs 23–26). Published as part of Thomsen, Helge A., Østergaard, Jette B. & Heldal, Mikal, 2016, Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and, pp. 33-50 in Acta Protozoologica 55 (1) on page 44, DOI:10.4467/16890027AP.16.005.4046, http://zenodo.org/record/10994318 Other/Unknown Material Antarc* Antarctic Weddell Sea Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Chromista Haptophyta Coccolithophyceae Coccosphaerales Papposphaeraceae Papposphaera Papposphaera sagittifera |
spellingShingle |
Biodiversity Taxonomy Chromista Haptophyta Coccolithophyceae Coccosphaerales Papposphaeraceae Papposphaera Papposphaera sagittifera Thomsen, Helge A. Østergaard, Jette B. Heldal, Mikal Papposphaera sagittifera |
topic_facet |
Biodiversity Taxonomy Chromista Haptophyta Coccolithophyceae Coccosphaerales Papposphaeraceae Papposphaera Papposphaera sagittifera |
description |
P. sagittifera cfr. combination coccosphere (Figs 38– 43) Both the EPOS and ANT X/3 Antarctic Weddell Sea material encompassed combination coccospheres that involve P. sagittifera cfr. HET and a Turrisphaera species that is not identical to P. sagittifera cfr. HOL, nor the Antarctic Turrisphaera sp. described above. In the heterococcolithophore component the central area calcification is rarely exposed, yet it appears to display (Fig. 41) the same aspects of asymmetry (i.e. a skewed cross bar and randomly oriented peripheral elements) described above for P. sagittifera cfr. HET (Fig. 31). The calyx is a flaring four-winged rosette (Figs 41–42) 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 holococcolith, 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 form from both Antarctic Turrisphaera sp. (Figs 33–37) and Arctic P. sagittifera HOL (Figs 23–26). Published as part of Thomsen, Helge A., Østergaard, Jette B. & Heldal, Mikal, 2016, Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and, pp. 33-50 in Acta Protozoologica 55 (1) on page 44, DOI:10.4467/16890027AP.16.005.4046, http://zenodo.org/record/10994318 |
format |
Other/Unknown Material |
author |
Thomsen, Helge A. Østergaard, Jette B. Heldal, Mikal |
author_facet |
Thomsen, Helge A. Østergaard, Jette B. Heldal, Mikal |
author_sort |
Thomsen, Helge A. |
title |
Papposphaera sagittifera |
title_short |
Papposphaera sagittifera |
title_full |
Papposphaera sagittifera |
title_fullStr |
Papposphaera sagittifera |
title_full_unstemmed |
Papposphaera sagittifera |
title_sort |
papposphaera sagittifera |
publisher |
Zenodo |
publishDate |
2016 |
url |
https://doi.org/10.5281/zenodo.12534995 http://treatment.plazi.org/id/03EB512EFF91FF8AFCA07BED92A7B44E |
genre |
Antarc* Antarctic Weddell Sea |
genre_facet |
Antarc* Antarctic Weddell Sea |
op_source |
Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and, pp. 33-50 in Acta Protozoologica, 55(1), 44, (2016-12-31) |
op_relation |
https://doi.org/10.4467/16890027AP.16.005.4046 http://zenodo.org/record/10994318 http://publication.plazi.org/id/FFD22956FF9AFF86FF897E68930BB35C https://sibils.text-analytics.ch/search/collections/plazi/03EB512EFF91FF8AFCA07BED92A7B44E https://www.gbif.org/species/233767187 https://www.checklistbank.org/dataset/298893/taxon/03EB512EFF91FF8AFCA07BED92A7B44E.taxon https://doi.org/10.5281/zenodo.10994334 https://doi.org/10.5281/zenodo.10994332 https://doi.org/10.5281/zenodo.12534740 https://doi.org/10.5281/zenodo.10994328 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.12534994 https://doi.org/10.5281/zenodo.12534995 oai:zenodo.org:12534995 http://treatment.plazi.org/id/03EB512EFF91FF8AFCA07BED92A7B44E |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.1253499510.4467/16890027AP.16.005.404610.5281/zenodo.1099433410.5281/zenodo.1099433210.5281/zenodo.1253474010.5281/zenodo.1099432810.5281/zenodo.12534994 |
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1810289366528950272 |