Alison Taylor's coccolith formation video
This remarkable video shows coccolith formation in Coccolithus pelagicus. It was produced by Alison Taylor, Colin Brownlee, Mark Russell and Glenn Harper at the Marine Biological Association, Plymouth and full details are give in the paper:
Taylor, A. et al., 2007. Dynamics of formation and secretion of heterococcoliths by Coccolithus pelagicus ssp. braarudii. European Journal of Phycology, 42(2): 125-136.
PDF on ResearchGate
Mac version (mp4)
Windows version (wmv)
Images of Coccolithus pelagicus from the paper