"chrysophytes" see [unranked] core chrysophytes Class Pelagophyceae R.A. Andersen & G.W.Saunders (1993) see Class Dictyochophyceae Silva (1980) Order Sarcinochrysidales Gayral & Billard (1977) Family Sarcinochrysidaceae Gayral & Billard (1977) Genus Nematochrysopsis Chadef. (1947)