Order Testudines Wagler, 1830 - turtles
   Suborder Pleurodira Cope, 1864
     Family Podocnemididae Cope, 1868 - Madagascan big-headed turtles and American sideneck river turtles
       Genus Podocnemis Wagler, 1830
         1 Podocnemis erythrocephala (Spix, 1824) - red-headed Amazon River turtle
         2 Podocnemis expansa (Schweigger, 1812) - giant South American river turtle
         3 Podocnemis lewyana Duméril, 1852 - Magdalena River turtle
         4 Podocnemis sextuberculata Cornalia, 1849 - six-tubercled Amazon River turtle
         5 Podocnemis unifilis Troschel, 1848 - yellow-spotted river turtle
         6 Podocnemis vogli Müller, 1935 - savanna sideneck turtle