"Bacterium aeruginosum" Schroeter 1872 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Pseudomonadales family Pseudomonadaceae genus Pseudomonas species Pseudomonas aeruginosa Name Homonyms Bacterium aeruginosum "Bacterium aeruginosum" Schroeter 1872 "Bacterium aeruginosum" Cohn 1872