mammal family - a family of mammals

Hystricomorpha, suborder Hystricomorpha - an order of rodents including: porcupines; guinea pigs; chinchillas; etc.

genus Chinchilla - type genus of the Chinchillidae

genus Lagidium, Lagidium - a genus of Chinchillidae

genus Lagostomus, Lagostomus - viscachas

Abrocoma, genus Abrocoma - abrocomes