"chrysophytes" see [unranked] core chrysophytes
   Class "Bicosoecophyceae" Loeblich III & Loeblich (1979), nom. nud. see Order Bicosoecida Grassé, 1926
     1 Order Bicosoecales Grassé (1926) see Order Bicosoecida Grassé, 1926
     1.1 Order Bicosoecida Grassé, 1926 see Order Bicoecida Grassé, 1926
     2 ?Order Pirsoniales Caval.-Sm. (1998)