Leptoceratops Tooth

Leptoceratrops tooth from the Hell Creek Formation, Montana, USA.
68 - 66 million years old.
 
Leptoceratops, meaning 'small horn face' was likely bipedal (walking on 2 legs) when moving at speed and quadrupedal (walking on 4 legs) when moving slowly. 
 
2g 1.5 x 1.2cm approx