Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Testudinoidea Batsch, 1788 Family Testudinidae Batsch, 1788 - tortoises Genus Pyxis Bell, 1827 1 Pyxis arachnoides Bell, 1827 - spider tortoise 2 Pyxis planicauda (Grandidier, 1867) - flat-tailed tortoise