phenylobacterium haematophilum phenylobacterium haematophilum phenylobacterium haematophilum is a gram negative, rod-shaped and non-spore-formin bacterium from the genus of phenylobacterium which has been isolated from human blood from göteborg in sweden. phenylobacterium haematophilum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: caulobacterales family: caulobacteraceae genus: phenylobacterium species: p. haematophilum binomial name phenylobacterium haematophilumabraham et al. 2008 type strain ccug 26751, lmg 11050