Rank

Class

Description

Only calcifying forms with organic body scale and having two equal flagella are retained in Class Coccolithophyceae. Haptonema is able to coil.

References

Rothmaler, W., (1951): Die Abteilungen und Klassen der Pflanzen. - Feddes Repertorium Specierum Novarum Regni Vegetabilis. 54: 256-266.