achromobacter marplatensis achromobacter marplatensis achromobacter marplatensis is a gram-negative bacterium from the genus achromobacter which was isolated from a pentachlorophenol-contaminated soil in mar del plata by murialdo et al. achromobacter marplatensis scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: alcaligenaceae genus: achromobacter species: a. marplatensis binomial name achromobacter marplatensisgomila et al. 2011 type strain ccm 7608, ccug 56371, cect 7342, lmg 26219, murialdo b2, strain b2