"chrysophytes" see [unranked] core chrysophytes Class Dictyochophyceae Silva (1980) Order Rhizochromulinales O'Kelly & Wujek (1995) see Order Pedinellales Zimmermann et al. (1984) Family Rhizochromulinaceae O'Kelly & Wujek (1994) Genus Rhizochromulina Len.