Novosphingobium stygium Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Sphingomonadales family Sphingomonadaceae genus Novosphingobium species Novosphingobium aromaticivorans Name Homonyms Novosphingobium stygium Novosphingobium stygium corrig. (Balkwill et al. 1997) Takeuchi et al. 2001