†unranked clade Chrysophyta
Parent taxon: Protista according to J. Shoshani et al. 1989
Sister taxa: Amoebozoa, Animalia, Archaeplastida, Biliphyta, Chlorobiota, Chromalveolata, Excavata, Fungi, Opisthokonta, Plantae, Protozoa, Rhizaria, Rhizopodea, Stramenopila, Pareodinia, Meiourogonyaulax, Ctenidodinium, Mendicodinium, Dapcodinium, Paragonyaulacysta, Ambonosphaera, Subtilisphaera, Dichadogonyaulax, Actinopoda, Heterokontophyta
Subtaxa: Bacillariophyceae