Triceratops

Triceratops is a ceratopsian from the late-cretaceous, around seventy-one-million-years ago, of North America.

Facts
Triceratops is one of the biggest of its kind, and one of the most familiar: reaching 7.9 to 9.0 m (25.9–29.5 ft) in length, 2.9 to 3.0 m (9.5 to 9.8 ft) in height,[1][2] and 6.1–12.0 tonnes (13,000–26,000 lb) in weight. The skull is also iconic, and much sturdier than other ceratopsians'.

In the film
Heart finds a Triceratops being harassed by Gonza and a few other Tyrannosaurus. The ceratopsian manages to impale and kill one of the theropods, severing its horn in the process, but was killed itself by Baku.