Phylum Heterokonta Caval.-Sm. (1986) see Superphylum Heterokonta Caval.-Sm. (1986) Subphylum Ochrista Caval.-Sm. (1986), orth. inval. see Phylum Ochrista Caval.-Sm. (1995) Infraphylum Chrysista Caval.-Sm. (1993) Superclass Phagochrysia Cavalier-Sm. (1995) Class Chrysophycea Hibberd (1976) see Class Chrysophyceae Fritsch (1927) 1 Subclass Chrysomonadidae Saville Kent (1881) 2 Subclass Synuridae Caval.-Sm. (1989)