Nitrosomonas Winogradsky 1892 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Nitrosomonadaceae genus Nitrosomonas Name Homonyms Nitrosomonas "Nitrosomonas" Winogradsky 1892 emend. Campbell et al. 2011 Nitrosomonas Winogradsky 1892