Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Trionychoidea Gray, 1825 Family Trionychidae Gray, 1825 - softshell turtles Subfamily Trionychinae Gray, 1825 Genus Pelodiscus Fitzinger, 1835 Pelodiscus axenaria (Zhou, Zhang & Fang, 1991) - Hunan softshell turtle