Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Caviidae Fischer de Waldheim, 1817 - cavies and Patagonian "hares"
       Genus Cavia Pallas, 1766 - cavies
         1 Cavia anolaimae (Allen, 1916)
         2 Cavia aperea Erxleben, 1777
         3 Cavia fulgida Wagler, 1831
         4 Cavia guianae
         5 Cavia magna Ximinez, 1980
         6 Cavia nana
         7 Cavia tschudii Fitzinger, 1857 - montane guinea pig
         8 Cavia porcellus (C. Linnaeus, 1758) - domestic Guinea pig