Coccoliths (IMAGE)

Rutgers University

Coccoliths

Caption

Left: Large coccoliths - disks made of calcium carbonate that armor single-celled algae called coccolithophores - from the Middle Miocene about 16 million to 11.6 million years ago. Right: Small coccoliths from the Pleistocene about 2.6 million to 11,700 years ago.

Credit

Weimin Si

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