FIG. 10 in 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

FIG. 10. Longitudinal section of the ectoloph of upper right P4 of Paracolodon fissus and Desmetotherium mongoliense showing the curved HSB configuration. A, P. fissus with continuous and relatively narrower HSB pattern; B, D. mongoliense with waved and relatively wider HSB pattern. Abbreviations: if, interface; me, metacone; pa, paracone; pas, parastyle.