Protoceratops

Protoceratops is a genus of small ceratopsian from the late-cretaceous period of Asia, around seventy-six-million-years ago.

Facts
Protoceratops is much smaller than Triceratops and even humans, and lack horns, but still has a frill, only this frill has gaping holes meant to lighten its weight at the cost of sturdiness.

In the film
Three Protoceratops were seen running from Heart, though one was caught.