Stegosaurus is a genus of stegosaurian from the Kimmeridgian and early Tithonian stages of the Late Jurassic epoch. There are three known species; S.sulcatus, S.ungulatus and S.stenops.

In Real Life

Stegosaurus was a fairly large animal, with the largest specimens reaching up to 9 meters (29.5 feet) in length. It was herbivorous, feeding mainly on low-growing vegetation. The head of Stegosaurus was held around a meter off the ground, and the brain was quite small in proportion to the body, with the brain being about 80 g (0.17 lbs) in an animal that weighed 4.5 metric tonnes (9,920 lbs).

It was likely not very quick on it's feet, either; calculations for Stegosaurus give it a top speed of 6-7 km/h (3.7-4.3 m/h). They were predated upon by Allosaurus, Ceratosaurus and Torvosaurus.

Stegosaurus was well-armed to defend itself; the tip of it's tail bears four spikes, each between 60-90 cm (2-3 ft) in length. This adaptation, known as a thagomizer, is common in stegosaurs and their ankylosaur relatives, though advanced ankylosaurids had bony clubs instead of spikes.

The plates on Stegosaurus' back have been the subject of near-constant debate since it's iscovery in 1887; with various researchers proposing them as defensive shielding, display structures or many other uses. Even their placement has been debated, though most modern depictions seem to have agreed upon a paired row of alternating plates. These plates vary in size, with the largest plates above the hip being around 60 cm (2 ft) in width and height.

It is currently only playable in Sandbox mode, but has been comfirmed to be coming into Survival mode.


Stegosaurus live in coniferous forests, where their favorite food, ferns, are found. Stegosaurus serve as protection for Gallimimus, which they use the Gallimimus for scouts for predators; if a Gallimimus sees a predator, the Stegosaurus will aggressively face the threat, tails swinging.

In The Isle

They are easily recognizable by their dorsal plates. The thagomizer attack causes decently high damage, as well as immense blood loss. The stegosaurus in the isle is known for swinning its tail and causing a lot of bleeding to carnivores.

Pros & Cons


  • Powerful and accurate thagomizer attack
  • The attacks cause immense bleeding
  • Moderately high stamina


  • Stamina refill is slow
  • Sides are vulnerable to attacks
  • Cannot hide


For a more complete gallery, visit Stegosaurus/gallery