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
     Superkingdom Metakaryota see Domain Eukaryota Chatton, 1925
       Kingdom Chromista Caval.-Sm. (1981) - chromists
         Subkingdom Euchromista Cavalier-Sm. (1993) see [unranked] Stramenopila
           Infrakingdom Cryptista Caval.-Sm. (1989) see Phylum Cryptophyta Caval.-Sm. (1986)
             Phylum Cryptista Caval.-Sm. (1990), orth. inval. see Phylum Cryptista Cavalier-Smith, 1986
               1 Class Cryptomonadea Stein, 1878 see Superclass Cryptomonada Cavalier-Smith, 2004
               2 Class Goniomonadea Caval.-Sm. (1993)