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 1 Family "Prochlorococcaceae" [monotypic] 2 Family Prochloraceae (ex Lewin 1977) Florenzano et al. 1986 [monotypic] see Family Prochloraceae R.A. Lewin (1977) 3 Family Prochlorotrichaceae Burger-Wiersma et al. 1989 [monotypic]