Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899
       Family Hydrochaeridae (Gray, 1825) Cabrera, 1961 - capybara see Family Hydrochoeridae Gray, 1825
         Genus Hydrochaeris Brunnich, 1772 - capybara see Genus Hydrochoerus Brisson, 1762
           1 Hydrochaeris hydrochaeris (C. Linnaeus, 1766) - capybara see Hydrochoerus hydrochaeris (Linnaeus, 1766), typ. cons.