Helicobacter pylori
(tree size 3)
Helicobacter hepaticus
(tree size 1)
Helicobacter bilis
Helicobacter pullorum
Helicobacter heilmannii
Helicobacter heilmannii sensu lato
Helicobacter suis
Helicobacter acinonychis
(tree size 1)
Helicobacter anseris
Helicobacter brantae
Helicobacter canadensis
Helicobacter canis
Helicobacter cholecystus
Helicobacter cinaedi
Helicobacter felis
Helicobacter muridarum
Helicobacter pametensis
Helicobacter salomonis
Helicobacter trogontum
Helicobacter rodentium
Helicobacter aurati
Helicobacter bizzozeronii
Helicobacter fennelliae
Helicobacter ganmani
Helicobacter mesocricetorum
Helicobacter mustelae
Helicobacter nemestrinae
Helicobacter typhlonius
Helicobacter himalayensis
Helicobacter marmotae
Helicobacter mastomyrinus
Helicobacter cetorum
Helicobacter ailurogastricus
Helicobacter apri
Helicobacter baculiformis
Helicobacter canicola
Helicobacter cynogastricus
Helicobacter equorum
Helicobacter jaachi
Helicobacter japonicus
Helicobacter macacae
Helicobacter saguini
Helicobacter valdiviensis
Helicobacter bovis
Helicobacter caesarodunum