Borrelia
(tree size 50)
Treponem
(tree size 41)
Treponema
Spirochaeta
(tree size 25)
Diplocalyx
(tree size 1)
Sphaerochaeta
(tree size 6)
Pillotina
(tree size 1)
Clevelandina
(tree size 1)
Salinispira
(tree size 1)
Spironema
Pleomorphochaeta
(tree size 3)
Rectinema
(tree size 1)
Sediminispirochaeta
(tree size 3)
Alkalispirochaeta
(tree size 5)
Hollandina
Oceanispirochaeta
(tree size 2)
Marispirochaeta
(tree size 1)