Thiobacillus Dataset NCBI Taxonomy Rank GENUS Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Thiobacillaceae genus Thiobacillus Name Synonyms Thiobacillus Beijerinck 1904 (Approved Lists 1980) emend. Boden et al. 2017 Homonyms Thiobacillus Thiobacillus Q Thiobacillus Beijerinck 1904 (Approved Lists 1980) emend. Boden et al. 2017 Thiobacillus X "Thiobacillus X" Parker and Prisk 1953