Phaeothamniales is an order of alga in the
Ochrophyta
The ochrophytes, subphylum Ochrophytina, is a group of mostly photosynthetic heterokonts. Their plastid is of red algal origin.
The classification of the group is still being worked out. Originally, the ochrophytes were regarded as a phylum d ...
.
References
Ochrophyta
Heterokont orders
{{Heterokont-stub