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Scientific classification
Domain: Eukaryota
(unranked): SAR
Superphylum: Heterokonta
Phylum: Ochrophyta
Class: Pelagophyceae
Andersen & Saunders, 1993

Pelagophyceae is a class of heterokont algae. It is the sister group of Dictyochophyceae.[1]

All known species are marine. They can be single-celled (coccoid or flagellate), palmelloid or filamentous. Some members (Pelagomonas) belong to picoplankton, and some other (Sarcinochrysis) are macroscopic attached organisms.[1]

The class contains 16 species in 13 genera and 2 orders (2017):[2]

It is expected that molecular studies will add more species to this list.[1]


  1. ^ a b c Wetherbee R., Gornik S. G., Grant B., Waller R. F. (2015). "Andersenia, a genus of filamentous, sand-dwelling Pelagophyceae from southeastern Australia". Phycologia. 54 (1): 35–48. doi:10.2216/14-107.1. 
  2. ^ WoRMS. "Pelagophyceae". World Register of Marine Species. Retrieved 2017-06-13.