Nitrosococcus

Nitrosococcus
Scientific classification
Domain:	Bacteria
Phylum:	Pseudomonadota
Class:	Gammaproteobacteria
Order:	Chromatiales
Family:	Chromatiaceae
Genus:	Nitrosococcus; Winogradsky 1892 (Approved Lists 1980)
Type species
	Nitrosococcus nitrosus; (Migula 1900) Buchanan 1925 (Approved Lists 1980)
Species
	"Nitrosococcus halophilus" Campbell et al. 2011; "Nitrosococcus mobilis" Koops et al. 1976; Nitrosococcus nitrosus (Migula 1900) Buchanan 1925 (Approved Lists 1980); Nitrosococcus oceani corrig. (Watson 1965) Watson 1971 (Approved Lists 1980); "Nitrosococcus wardiae" Wang et al. 2016; "Nitrosococcus watsonii" Campbell et al. 2011;
Synonyms
	"Nitrosocystis Watson 1965;

Nitrosococcus is a genus of Gram-negative bacteria. It is an ammonia-oxidizing bacterium which oxidizes ammonia into nitrite. Nitrosococcus can be found in marine environments and salt lakes.