Gallionella ferruginea ES-2 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Gallionellaceae genus Gallionella species Gallionella capsiferriformans Name Homonyms Gallionella ferruginea Gallionella ferruginea Ehrenberg 1838 Gallionella ferruginea ES-2