1) Animal order 2) Order dinocerata 
Dinocerata (`terrible horned`) is an extinct order of plant-eating, rhinoceros-like hoofed creatures famous for their paired horns and tusk-like canine teeth. The earliest dinoceratan, Prodinoceras, appeared in Asia during the Paleocene, but nearly all later types are from North America (dinoceratans must have crossed the Bering land bridge, whi.....
[n] - small order of primitive ungulates of the Paleocene and Eocene
order Dinocerata noun small order of primitive ungulates of the Paleocene and Eocene