Nitrosococcus watsonii Dataset NCBI Taxonomy Rank SPECIES Classification phylum Pseudomonadota class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Nitrosococcus species Nitrosococcus watsonii Name Synonyms "Nitrosococcus watsonii" Campbell et al. 2011 Homonyms Nitrosococcus watsonii "Nitrosococcus watsonii" Campbell et al. 2011