Welcome to Planktonic foraminifera

Planktonic foraminifera are unicellular zooplankton that float passively in the ocean. They have a test (skeleton) made of calcium carbonate that consists of a series of chambers which are added progressively as the foram grows; holes, or foramina, allow communication between these chambers.

This site contains an overview of the Neogene planktonic foraminifera; their taxonomy and how to identify them.