Figs 4–9 in Coccolithophores in Polar Waters: HOL Revisited Papposphaera sagittifera HET and ...

• Main Authors: Thomsen, Helge A., Østergaard, Jette B., Heldal, Mikal
• Format: Still Image
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Chromista; Haptophyta; Coccolithophyceae; Coccosphaerales; Papposphaeraceae; Papposphaera; Greenland; Svalbard
• Online Access: https://dx.doi.org/10.5281/zenodo.10994324; https://zenodo.org/doi/10.5281/zenodo.10994324

Figs 4–9. Papposphaera sagittifera HET (TEM / Figs 4–5, 7; SEM / Figs 6, 8–9) from the Arctic (West Greenland / Fig. 7; NEW / Figs 4–5; Svalbard / Figs 6, 8, 9). 4 – whole cell with curled up flagella and haptonema (arrow); 5 – detail of calyx; 6 – lateral view of coccolith displaying the two cycles of elements in the rim and details of the stem and the calyx; 7 – complete cell; notice the difference in length of coccolith processes from one end of the cell to the other; 8 – details of central area calcification; notice the short stub-like central proboscis and also possibly tilted pentagonal elements from the distal rim circle (arrows); 9 – detail of two coccoliths one with a short central process and the other with just a central upheaval of the arms of the crossbar. ... : 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 37, DOI: 10.4467/16890027AP.16.005.4046, http://zenodo.org/record/10994318 ...