The hero is Burnellus, or Brunellus, a foolish ass, who goes in search of a means of lengthening his tail.
Onager |
Astrohippus, Calippus, Equus (synonymized with Allozebra, Asinus, Onager, Plesippus, Neohippus, Equus semiplicatus, Equus tau), Hippidion, Onohippidium, Pliohippus, Protohippus (syn. Eoequus)
Astrohippus, Calippus, Dinohippus, Equus (synonymized with Allozebra, Asinus, Onager, Plesippus, Neohippus, Equus semiplicatus, Equus tau), Hippidion, Onohippidium, Pliohippus, Protohippus (synonymized with Eoequus).