Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Caviidae Fischer de Waldheim, 1817 - cavies and Patagonian "hares"
       1 Genus Cavia Pallas, 1766 - cavies
       2 Genus Kerodon Cuvier, 1825 - rock cavy
       3 Genus Galea Meyen, 1833, nom. illeg. - yellow-toothed cavies
       4 Genus Microcavia Gervais & Ameghino, 1880 - mountain cavies
       5 Genus Dolichotis Desmarest, 1820 - maras