"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 Siluaniaceae Karpov (1998) see Family Siluaniidae Karpov, 1998
         Genus Caecitellus Patterson et al., 1993