Nitrosococcus Winogradsky 1892 (Approved Lists 1980) emend. Wang et al. 2016 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Nitrosococcus Name Homonyms Nitrosococcus "Nitrosococcus" Winogradsky 1892 emend. Campbell et al. 2011 Nitrosococcus Winogradsky 1892 (Approved Lists 1980) emend. Wang et al. 2016