Cycloclasticus
(tree size 3)
Methylophaga
(tree size 10)
Thioalkalimicrobium
(tree size 5)
Thiomicrospira
(tree size 17)
Piscirickettsia
(tree size 1)
Hydrogenovibrio
(tree size 5)
Galenea
(tree size 1)
Sulfurivirga
(tree size 1)
Thiomicrorhabdus
(tree size 5)