"Spirophyllum ferrugineum" (Ehrenberg 1838) Ellis 1907 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Gallionellaceae genus Gallionella species Gallionella ferruginea Name Homonyms Spirophyllum ferrugineum "Spirophyllum ferrugineum" (Ehrenberg 1838) Ellis 1907