Pelagophyceae


Pelagophyceae is a class of heterokont algae. It is the sister group of the Dictyochophyceae.
All known species are marine. They can be single-celled, palmelloid or filamentous. Some members belong to picoplankton, and some other are macroscopic attached organisms.
The class contains 13 genera, three families and two orders :
It is expected that molecular studies will add more species to this list.