"Nitrospira defluvii" Nowka et al. 2015 Dataset NCBI Taxonomy Classification phylum Nitrospirota class Nitrospiria order Nitrospirales family Nitrospiraceae genus Nitrospira species Nitrospira defluvii Name Homonyms Nitrospira defluvii "Nitrospira defluvii" Nowka et al. 2015