eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Chromista Caval.-Sm. (1981) - chromists Subkingdom Heterokonta Caval.-Sm. (1986) Phylum Sagenista Caval.-Sm. (1995) see Subphylum Sagenista Cavalier-Smith, 1995 Class Labyrinthulea L.S. Olive ex Caval.-Sm. (1986), orth. inval. see Class Labyrinthulea Olive ex Cavalier-Smith, 1986 Order Thraustochytriales Sparrow (1973) see Order Thraustochytrida Sparrow, 1973