Figs 28–35 in Coccolithophorids in Polar Waters: Quaternariella and Porsildia gen. nov. Mercedesia gen. nov., Ericiolus, ...

• Main Authors: Thomsen, Helge A., Østergaard, Jette B.
• Format: Still Image
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Chromista; Haptophyta; Coccolithophyceae; Coccosphaerales; Calyptrosphaeraceae; Quaternariella; Plantae; Tracheophyta; Magnoliopsida; Caryophyllales; Caryophyllaceae; Porsildia; Antarc*; Antarctica; Greenland
• Online Access: https://dx.doi.org/10.5281/zenodo.12638217; https://zenodo.org/doi/10.5281/zenodo.12638217

Figs 28–35. Quaternariella obscura. TEM whole mounts from Antarctica (EPOS) (Figs 28–29) and (Figs 30–35) West Greenland (Arctic Station). 28 – complete cell from the southern hemisphere; 29 – detail of the periplast from Fig. 28; 30 – Q. obscura combination cell (Arctic Station 1990) showing Papposphaera-like coccoliths along one side of the cell; arrows point to square rim elements and arrowheads to pentagonal elements; 31– a second combination cell (Arctic Station 1990) where heterococcoliths are visible as dark, oval structures; 32 – combination cell collected near Arctic Station during 1988; arrow points to square rim elements and arrowhead to pentagonal elements; 33 – Detail from Fig. 32; 34 – complete coccosphere with heterococcoliths that are similar to those shown in Figs 30, 32; 35 – detail from Fig. 34. Arrows point to square rim elements and arrowheads to pentagonal elements; notice also the irregular elements in the central area of the coccolith. ... : Published as part of Thomsen, Helge A. & Østergaard, Jette B., 2015, Coccolithophorids in Polar Waters: Quaternariella and Porsildia gen. nov. Mercedesia gen. nov., Ericiolus,, pp. 155-169 in Acta Protozoologica 54 (3) on page 165, DOI: 10.4467/16890027AP.15.013.3210, http://zenodo.org/record/12638210 ...