Project 2285: B. Bai, Y. Wang, F. Mao, J. Meng. 2017. New Material of Eocene Helaletidae (Perissodactyla, Tapiroidea) from the Irdin Manha Formation of the Erlian Basin, Inner Mongolia, China and Comments on Related Localities of the Huheboerhe Area. American Museum Novitates. 3878 (3878):1-44.