Order Testudines Wagler, 1830 - turtles Suborder Pleurodira Cope, 1864 Family Podocnemididae Cope, 1868 - Madagascan big-headed turtles and American sideneck river turtles Genus Erymnochelys Baur, 1888 Erymnochelys madagascariensis (Grandidier, 1867) - Madagascan big-headed turtle