Mauremys is a genus of turtles in the family Geoemydidae (formerly called Bataguridae). Ocadia and Chinemys are included here by some scientists, but not by the majority nor by hobbyists.Species include: Japanese pond turtle, M. japonica Yellow pond turtle, M. mutica Vietnamese pond turtle or Annam leaf turtle, M. annamensis - formerly separated in Annamemys Caspian turtle or striped-neck terrapin, M. caspica Balkan pond turtle or Balkan terrapin, M. rivulata - formerly included in M.