Pelodiscus maackii, commonly known as the Amur softshell turtle or the northern Chinese softshell turtle, is a species of turtle in the family Trionychidae. The species is found in the Russian Far East, northeastern China, Korea, and Japan. It is possible that the Japanese populations are the result of ancient introductions by humans. This aquatic species may attain a straight carapace length of . Etymology The specific name, maackii, is in honor of Russian naturalist Richard Maack. References Further reading Brandt JF (1857). "Observationes quaedam ad generis Trionychum species duas novas spectantes ". Bulletin de la Classe Physico-Mathématique de l'Académie Impériale des Sciences de Saint-Pétersbourg 16: 110–111. (Trionyx maackii, new species). (in Latin). Stejneger L (1907). Herpetology of Japan and Adjacent Territory. Smithsonian Institution, United States National Museum Bulletin 58. Washington, District of Columbia: Government Printing Office. xx + 577 pp. (Amyda maackii, p. 529). Pelodiscus Turtles of Asia Reptiles of China Reptiles of Korea Reptiles of Russia Fauna of the Russian Far East Reptiles described in 1857 Taxa named by Johann Friedrich von Brandt