Children (8 direct children, 242 direct and indirect children):
Spirochaetaceae
(tree size 157)
Serpulinaceae
Leptospiraceae
(tree size 42)
Brachyspiraceae
(tree size 10)
Cristispira
(tree size 2)
Sarpulinaceae
(tree size 10)
Borreliaceae
(tree size 12)
Exilispira
(tree size 1)