Phaeothamnid

Phaeothamniophyceae
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Halvaria
Superphylum:	Heterokonta
Division:	Ochrophyta
Class:	Phaeothamniophyceae R. A. Andersen & J. C. Bailey, 1998
Order
Aurearenales Phaeothamniales
Synonyms
Aurearenophyceae Kai et al. 2008 emend. Cavalier-Smith 2013 Aurophyceae

Phaeothamniophyceae is a class of heterokonts. It contains a two orders, Phaeothamniales and Aurearenales, and consists of species separated from Chrysophyceae.

...
Wikipedia