[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Prokaryota Kingdom Bacteria Cavalier-Smith 2002 - bacteria see Domain Bacteria Woese et al. 1990 Subkingdom Negibacteria Cavalier-Smith 2002 - negibacteria see Domain Bacteria Woese et al. 1990 Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Class Gloeobacteria Cavalier-Smith 2002 [monotypic] see Subclass Gloeobacterophycideae (Cavalier-Sm. 1998 ex Cavalier-Sm. 2002) 1 Order Gloeobacterales Cavalier-Smith 2002