Children (13 direct children, 16 direct and indirect children):
Hystrix komarovii
Hystrix duthiei
(tree size 2)
Hystrix coreana
Hystrix gracilis
Hystrix japonica
Hystrix laevis
Hystrix patula
Hystrix californica
Hystrix sibirica
(tree size 1)
Hystrix kunlunensis
Hystrix sachalinensis
Hystrix sect. macrohystrix
Hystrix sect. microhystrix