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Phytoplankton taxa: (a) Orthoseira sp. with central tube processes, (b) Cyclotella meneghiniana, (c) Nitzschia cf. perminuta, (d) Encyonema sp., (e) Mucidosphaerium pulchellum, (f) Hindakia sp., (g) Peridiniopsis cf. penardii, (h) Lagynion sp. attached to Orthoseira (cross-section through cell), (i) Coelastrum astroideum, (j) Franceia javanica, (k) Tetrastrum triangulare, (l) Planctonema lauterbornii with polar oil droplets in each cell, (m) Anabaena sp. Scale bars are 10 μm.
