Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Caviidae Fischer de Waldheim, 1817 - cavies and Patagonian "hares" Genus Dolichotis Desmarest, 1820 - maras Dolichotis salinicola Burmeister, 1876 - dwarf Patagonian cavy