Tinoceras 插畫檔

Dinocerata ("terrible horned") mammals are an extinct order of plant-eating, rhinoceros-like hoofed creatures famous for their paired horns and tusk-like canine teeth. The earliest dinoceratan, Prodinoceras, first appeared in Asia during the Paleocene, but nearly all later types are from North America (dinoceratans must have crossed the Bering land bridge, which may have been exposed during Paleocene-Eocene times). They lived alongside another group of large plant-eaters of the Eocene, the brontotheres. The most famous dinoceratan is Uintatherium.