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. 2020 Apr 29;14(8):1966–1981. doi: 10.1038/s41396-020-0659-6

Fig. 2. LM and SEM micrographs of Thalassiosira species.

Fig. 2

T. curviseriata. a Chain of cells connected by threads (LM). b External valve view of solitary cells (SEM). Black arrowhead indicates the winged fultoportulae. c Girdle view of short chain of cells. d External view of large and small cells of T. curviseriata (SEM). T. cf. profunda. e Long chain of cells (LM). f Solitary cell in a valve view. Note the large areola adjacent to the central fultoportula (SEM). g, h Girdle views of chains (SEM). Thalassiosira sp. i Chain of cells (LM). j Valve external view of a solitary cell (SEM). k, l External views of solitary cells and of cells associated in pair (SEM). White arrows: threads connecting cells. Black arrows: Rimoportula. White arrowheads: Fultoportulae.