Children (11 direct children, 389 direct and indirect children):
Mimobolbus
(tree size 26)
Bolboceratops
(tree size 8)
Athyreini
(tree size 135)
Bolboceratini
(tree size 109)
Bolbelasmini
(tree size 36)
Bolbochromini
(tree size 27)
Eubolbitini
(tree size 24)
Odonteini
Eucanthini
Gilletinini
(tree size 13)
Stenaspidiini