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