life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925 Kingdom Chromista Caval.-Sm. (1981) - chromists Subkingdom Chromobiota Caval.-Sm. (1991) Infrakingdom Heterokonta Caval.-Sm. (1986) - heterokonts see Superphylum Heterokonta Caval.-Sm. (1986) Superphylum Gyrista Caval.-Sm. (1998) Phylum Bigyra Caval.-Sm. (1998) see Phylum Bigyra Cavalier-Smith, 1998 Subphylum Pseudofungi Caval.-Sm. (1986) - pseudofungi see Phylum Pseudofungi Caval.-Sm. (1986) Class Oomycetes G.Winter (1880) - oomycetes see Class Peronosporea