Chinchilla rats or chinchillones are members of the family Abrocomidae.

These relatively large chinchilla rats are dark grey with a distinct white line running from the crown to the nose.

Chinchilla rats (abrocomids)

Abrocomidae (chinchilla rats)

Chinchilla rats or chinchillones are members of the family Abrocomidae.

Chinchilla rats or chinchillones are members of the family Abrocomidae.

When described, it was placed in the family Abrocomidae, but was considered different enough to existing species for the creation of the genus Cuscomys.

A new genus and species of abrocomid rodent from Peru (Rodentia: Abrocomidae).

Family Abrocomidae: chinchilla-rats (South America)

Bennett's chinchilla rat (Abrocoma bennettii) is a species of chinchilla rat in the family Abrocomidae.

Systematics of the Abrocoma cinerea species complex (Rodentia: Abrocomidae), with a description of a new species of Abrocoma.

The Dinomyidae may belong to the Chinchilloidea, the Abrocomidae may belong to the Octodontoidea, and the Hydrochaeridae may have evolved from within the Caviidae.

The Punta de Vacas Chinchilla Rat (Abrocoma vaccarum) also known as the Mendozan Chinchilla Rat is a species of chinchilla rat in the family Abrocomidae.