Phylum Heterokonta Caval.-Sm. (1986) see Superphylum Heterokonta Caval.-Sm. (1986)
   Class Bolidophyceae Guillou & Chret.-Dinet (1999)
     1 Order Bolidomonadales L. Guillou & M.-J. Chrétiennot-Dinet, in L. Guillou et al. (1999) see Order Parmales B.C. Booth & H.J. Marchant (1987)