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Warning

This information was published in 1966 in An Encyclopaedia of New Zealand, edited by A. H. McLintock. It has not been corrected and will not be updated.

Up-to-date information can be found elsewhere in Te Ara.

Figs. 6–7. Nannoplankton (extremely minute organisms or parts of organisms that were once part of the plankton. Size: about one hundredth of a millimetre. Coccoliths, which resemble discoasters, are discrete geometrical plates of calcium carbonate forming