Thiobacillus denitrificans
(tree size 1)
Thiobacillus aquaesulis
Thiobacillus thioparus
Thiobacillus thiophilus
Thiobacillus acidophilus
Thiobacillus albertis
Thiobacillus caldus
Thiobacillus concretivorus
Thiobacillus delicatus
Thiobacillus ferrooxidans
Thiobacillus halophilus
Thiobacillus hydrothermalis
Thiobacillus intermedius
Thiobacillus neapolitanus
Thiobacillus novellus
Thiobacillus perometabolis
Thiobacillus rapidicrescens
Thiobacillus tepidarius
Thiobacillus thermosulfatus
Thiobacillus thiooxidans
Thiobacillus thyasiris
Thiobacillus versutus