"Thiobacterium" Janke 1924 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Thiotrichales family Thiotrichaceae genus Thiobacterium Name Homonyms Thiobacterium "Thiobacterium" Janke 1924 Thiobacterium (ex Janke 1924) La Riviere and Kuenen 1989