hyphomicrobium denitrificans hyphomicrobium denitrificans hyphomicrobium denitrificans is a bacterium from the genus of hyphomicrobium which was isolated from the netherlands. hyphomicrobium denitrificans scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: hyphomicrobiaceae genus: hyphomicrobium species: h. denitrificans binomial name hyphomicrobium denitrificansurakami et al. 1995 type strain atcc 51888, dsm 1869, ncib 11706, ncimb 11706, tk 0415