arthrobacter tumbae arthrobacter tumbae arthrobacter tumbae is a bacterium species from the genus of arthrobacter which has been isolated from a biofilm which covered the servilia tomb in the roman necropolis of carmona in carmona, spain. arthrobacter tumbae scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: micrococcaceae genus: arthrobacter species: a. tumbae binomial name arthrobacter tumbaeheyrman et al. 2005 type strain cip 108900dsm 16406heyrman r-5305iam 15324jcm 21773lmg 19501mcsc1155r-5305vtt e-072668