"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 Siluania Karpov, 1998