Ishigeales Biddulphiophycidae Proteromonadidae Hydrurales Coscinodiscophyceae Cepedea Aplanochytrium Botrydiaceae Ascoseira Ralfsiales Eupodiscaceae Rhizosoleniophycidae Chaetocerotophycidae Scytothamnales Asterionella Hyphochytriaceae Slopalinida Dictyochophyceae Chattonella Axodine Sphacelariales Opalinidae Hibberdiales Opalina Protoopalina Rhizochromulina Tilopteridales Phaeothamniales Proteromonas Florenciellales Pseudofungi Actinophryid Bolidophyceae Pleurochrysis carterae Chrysosphaerales Rhizochromulinales Hyphochytriomycetes Hyphochytrium Raphidophyte Syringodermataceae Discosporangiales Chromulinales Fragilariophyceae Pinnularia Picophagea Phaeothamniophycidae Chrysomero…

ophyceae Karotomorpha Golden algae Blastocystis Pelagophycidae Cafeteria (bicosoecid) Labyrinthulomycetes Eustigmatophyte Triparma Pinguiochrysidaceae Synurid Yellow-green algae Labyrinthula Placidozoa Pedinellales Oomycete Bigyra Chaetoceros Sagenista Bigyromonada Platysulcus Mastigomycotina Pirsonia Heterosigma akashiwo Stramenopile Dictyochales Ochrophyte Bicosoecida Brown algae Chromalveolata Diatom