"chrysophytes" see [unranked] core chrysophytes
   Class "Bicosoecophyceae" Loeblich III & Loeblich (1979), nom. nud. see Order Bicosoecida Grassé, 1926
     Order Bicosoecales Grassé (1926) see Order Bicosoecida Grassé, 1926
       Family Bicosoecaceae F. Stein (1878) see Family Bicosoecidae Stein, 1878
         Genus Bicosoeca James-Clark, 1866