"Chromobacterium amethystinum" Breed et al. 1957 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Burkholderiales family Oxalobacteraceae genus Janthinobacterium species Janthinobacterium lividum Name Homonyms "Chromobacterium amethystinum" Breed et al. 1957 Chromobacterium amethystinum