Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Trionychoidea Gray, 1825 Family Trionychidae Gray, 1825 - softshell turtles Subfamily Trionychinae Gray, 1825 Genus Chitra Gray, 1844 Chitra chitra Nutaphand, 1986 - Asian narrow-headed softshell turtle 1 Chitra chitra chitra Nutaphand, 1986 - Siamese narrow-headed softshell turtle 2 Chitra chitra javanensis McCord & Pritchard, 2003 - Javanese narrow-headed softshell turtle