[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
       Class "Cyanobacteria" Cavalier-Smith, 2002
         Family Family 1.1 nom. inval.
           Genus Prochlorococcus Chisholm et al. 2001 see Genus Prochlorococcus S.W. Chisholm et al. 1992 [ICBN]
             [Prochlorococcus marinus] Chisholm et al. 2001 see Prochlorococcus marinus S.W. Chisholm et al. 1992 [ICBN]
               1 Prochlorococcus marinus subsp. marinusᵀ (Chisholm et al. 2001) Rippka et al. 2001 see Prochlorococcus marinus subsp. marinus S.W. Chisholm et al. (1992)
               2 Prochlorococcus marinus subsp. pastoris Rippka et al. 2001 see Prochlorococcus marinus subsp. pastoris Rippka et al. 2000 [ICBN]