Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Testudinoidea Batsch, 1788 Family Testudinidae Batsch, 1788 - tortoises Genus Aldabrachelys Loveridge & Williams, 1957 Aldabrachelys gigantea (Schweigger, 1812) - Aldabra giant tortoise Aldabrachelys gigantea arnoldi (Bour, 1982) - Arnold's giant tortoise