"Chromobacterium violaceum" Ford 1927 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Burkholderiales family Oxalobacteraceae genus Janthinobacterium species Janthinobacterium lividum Name Homonyms Chromobacterium violaceum "Chromobacterium violaceum" Leifson 1956 "Chromobacterium violaceum" Ford 1927 Chromobacterium violaceum ATCC12472 Chromobacterium violaceum Bergonzini 1880