achromobacter spanius achromobacter spanius achromobacter spanius is a gram-negative, oxidase- and catalase-positive, rod-shaped bacterium from the genus achromobacter isolated from various human clinical samples. achromobacter spanius scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: alcaligenaceae genus: achromobacter species: a. spanius binomial name achromobacter spaniuscoenye et al. 2003 type strain ccug 47062, lmg 5911, api 198-2-84