Children (36 direct children, 191 direct and indirect children):
Mesohippus
(tree size 5)
Hippidion
(tree size 4)
Hyracotherium
(tree size 2)
Dinohippus
Sifrhippus
Plesippus
Haplohippus
(tree size 1)
Merychippus
Pliohippus
Orohippus
Epihippus
Anchitheriinae
(tree size 10)
Hypohippus
(tree size 2)
Archaeohippus
Miohippus
(tree size 1)
Protohippus
Cremohipparion
Nannippus
Pliolophus
(tree size 1)
Eohippus
Equinae
(tree size 122)
Neohipparion
Protorohippus
Arenahippus
Proboscidipparion
Eurygnathohippus
(tree size 2)
Desmatippus
Hyracotheriinae
Sivalhippus
Onager
(tree size 1)
Calippus
Calippus (genus)
Protohippinae
Asinus
(tree size 2)
Hemionus
(tree size 1)
Stylohipparion
(tree size 1)
Erihippus