Class [Mammalia] Linnaeus, 1758 - mammals
Count: [*] 21o;132f;1061g;4316s; ‡1f;5g;38s
   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
  Count: [*] 10f;77g;202s; ‡3s
     Family Tayassuidae Palmer, 1897 (1849) - peccaries
    Count: [*] 2g;3s
       Genus Catagonus Ameghino, 1904 - Chacoan peccary
      Count: [*] 1s
         Catagonus wagneri (Rusconi, 1930) - Chaco peccary
        Count: -