prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Order Prochlorales (ex Lewin 1977) Florenzano et al. 1986 see Order Chroococcales Cavalier-Smith 2002 Family Prochlorotrichaceae Burger-Wiersma et al. 1989 [monotypic] 1 Genus Prochlorothrix Burger-Wiersma et al. 1989 see Genus Prochlorothrix T. Burger-Wiersma et al. 1989 [ICBN]