Back Cocòlit Catalan Coccolithe French Cocólito Galician Coccoliti Italian Coccoliet Dutch Kokkolitt NN Kokolit Polish Кокколиты Russian Coccolith SIMPLE Coccoliter Swedish
Scanning electron micrograph of Coccolithus pelagicus, plated with coccoliths
Coccoliths are individual plates or scales of calcium carbonate formed by coccolithophores (single-celled phytoplankton such as Emiliania huxleyi) and cover the cell surface arranged in the form of a spherical shell, called a coccosphere.