Summary: | Figs 24–26. Trigonaspis sp. (= Pappomonas garrisonii HOL?). TEM whole mounts from the Weddell Sea, Antarctica. 24 – whole cell with curled up flagella and haptonema. Tower-shaped but differently sized coccoliths occur over the entire surface of the cell; 25 – detail (from Fig. 24) of tower-shaped coccoliths showing the triangular crystallite groups. Arrow points to a body coccolith; 26 – part of body coccolith calcification. Reversed printing. Published as part of Thomsen, Helge A. & Østergaard, Jette B., 2015, Coccolithophorids in Polar Waters: Trigonaspis spp. Revisited, pp. 85-96 in Acta Protozoologica 54 (2) on page 95, DOI:10.4467/16890027AP.15.007.2732, http://zenodo.org/record/12638290
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