•1988: Prochlorococcus
(Chisholm)
•1992: pelagic Archaea (DeLong/Fuhrman)
•2000: rhodopsin-containing photoheterotrophs (Béjà and DeLong)
•2000:
rediscovery of anaerobic anoxygenic phototrophs
(Kolber and Falkowski)
•2002: SAR 11 (Rappé and Giovannoni)
•2002 and beyond: ??