Nitrosomonas europaea ATCC 19718 Dataset The European Nucleotide Archive (ENA) taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Nitrosomonadaceae genus Nitrosomonas species Nitrosomonas europaea Name Homonyms Nitrosomonas europaea Nitrosomonas europaea ATCC 19718