[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010 Class Gammaproteobacteria Garrity et al. 2005 Order Thiotrichales Garrity et al. 2005 Family Thiotrichaceae Garrity et al. 2005 Genus Thiobacterium (ex Janke 1924) La Riviere and Kuenen 1989 1 Thiobacterium bovistum corrig. (ex Molisch 1912) La Riviere and Kuenen 1989