It typifies not only the genus Chinchilla, but the family Chinchillidae, for the distinctive features of which see RODENTIA.
The ordinary chinchilla is about io in.
The Peruvian chinchilla (C, brevicaudata) is larger, with relatively shorter ears and tail; while still larger species constitute the genus Lagidium, ranging from the Andes to Patagonia, and distinguished by having four in place of five front-toes, more pointed ears, and a somewhat differently formed skull.
The silver grey is a uniform-coloured breed, the fur of which is a rich chinchilla grey, varying in depth in the different strains.
Caudete (5913), Chinchilla, or Chinchilla de Monte-Aragon (6680), La Roda (7066), Tobarra (7787), Villarrobledo (10,125) and Yeste (6591) are important markets for the sale of agricultural produce.