Order Testudines Wagler, 1830 - turtles Suborder Pleurodira Cope, 1864 Family Podocnemididae Cope, 1868 - Madagascan big-headed turtles and American sideneck river turtles Genus Peltocephalus Duméril & Bibron, 1835 Peltocephalus dumerilianus (Schweigger, 1812) - big-headed sideneck turtle