Children (9 direct children, 1043 direct and indirect children):
Castoridae
(tree size 51)
Beaver
Heteromyidae
(tree size 467)
Geomyidae
(tree size 500)
Gopher family
Geomyoidea
(tree size 5)
Eomyidae
(tree size 9)
Eutypomyidae
Rhizospalacidae
(tree size 1)
Castoroidea
Geomorpha
(tree size 1)