Mycobacterium fluoranthenivorans is a species of the phylum Actinobacteria (gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium. Etymology: fluoranthenivorans, digesting fluoranthene. First isolated from contaminated soil of a former coal gas plant.Strain FA4 = DSM 44556 = CIP 108203.