Triceratops Anatomy in 3D: Skeleton, Organs, Horns and Frill

Triceratops was a plant-eater with three horns and a huge bony frill, and it lived alongside T. rex. In the 3D Dinosaur Anatomy simulator you can circle it from horns to tail, look inside and explore its skeleton.

Inside view of Triceratops in the VisionVix 3D Dinosaur Anatomy simulatorExplore in 3D
The Triceratops inside view, with the skin peeled back to show the organs. Click the picture to open it live.

Three ways to see Triceratops

Triceratops full body in 3DFull bodyTriceratops inside in 3DInsideTriceratops fossil skeleton in 3DFossil skeleton

Triceratops quick facts

LivedAbout 68 to 66 million years ago, Late Cretaceous
LengthAbout 8 to 9 m
WeightAbout 6 to 12 tonnes
DietPlants
Fossils found inWestern North America

The Triceratops fossil skeleton

The Triceratops skeleton is dominated by its enormous skull, over 2 m long, with two long brow horns, a short nose horn and a solid bony frill. A sharp beak and rows of shearing teeth sliced tough plants, and four sturdy legs carried its heavy body.

Inside Triceratops

In the Inside view you can tap these labels on the 3D model:

Brain
Controls every move, sense and thought.
Heart
Pumps blood around the whole body, all day and night.
Lungs
Take in oxygen from the air with every breath.
Intestines
A long gut slowly broke down tough plants like ferns and cycads.

Interesting facts about Triceratops

  • Its skull was over 2 m long, one of the biggest skulls of any land animal.
  • The two brow horns grew to about a metre long.
  • It had a sharp beak and hundreds of teeth packed in rows for slicing plants.
  • Some Triceratops bones carry bite marks from T. rex.
  • Its name means three-horned face.

Compare: T. rex vs Triceratops: Real Enemies, Compared in 3D · Triceratops vs Stegosaurus: Horns vs Plates in 3D

More dinosaurs and prehistoric reptiles in 3D

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Triceratops anatomy questions

What did Triceratops use its horns for?

Probably for defence against predators like T. rex and for sparring and showing off to other Triceratops.

How big was Triceratops?

About 8 to 9 m long and around 6 to 12 tonnes, about the size of a large elephant or bigger.

Did Triceratops live at the same time as T. rex?

Yes. Both lived in western North America about 68 to 66 million years ago.

What did Triceratops eat?

Low-growing plants such as ferns, cycads and palms, cut with its beak and sliced with its teeth.

The 3D Dinosaur Anatomy simulator is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up.