Phylum Heterokontophyta (heterokonts)
PaleoDB taxon number: 150275
Parent taxon: Protista according to W. Kiessling 2004
Sister taxa: Actinopoda, Ambonosphaera, Chrysophyta, Dapcodinium, Dichadogonyaulax, Mendicodinium, Palaeopascichnus, Paragonyaulacysta, Prasinophyta, Sarcodina
Subtaxa: Chrysophyceae, Dictyochophyceae, Phaeophyceae, Xanthophyceae