Order Testudines Wagler, 1830 - turtles
   Suborder Cryptodira Cope, 1868
     Superfamily Testudinoidea Batsch, 1788
       Family Testudinidae Batsch, 1788 - tortoises
         Genus Chelonoidis Fitzinger, 1835
           1 Chelonoidis carbonaria (Spix, 1824) - red-footed tortoise see Chelonoidis carbonarius (Spix, 1824)
           2 Chelonoidis chilensis (Gray, 1870) - Chaco tortoise
           3 Chelonoidis denticulata (Linnaeus, 1766) - yellow-footed tortoise see Chelonoidis denticulatus (Linnaeus, 1766)
           4 Chelonoidis nigra species complex - Galapagos giant tortoises see Chelonoidis niger species complex