Sauraechinodon Facts
| Diet | Herbivore |
| Height | 1.5m |
| Length | 4m |
| Weight | 800 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Stegosaur |
| Location | England |

| Diet | Herbivore |
| Height | 1.5m |
| Length | 4m |
| Weight | 800 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Stegosaur |
| Location | England |
Sauraechinodon was a small stegosaur that lived during the Early Cretaceous period, approximately 145-140 million years ago, in what is now southern England. This armoured dinosaur belongs to the same group as the famous Stegosaurus, though it lived much later and was considerably smaller than its more well-known relatives.
Known primarily from fragmentary remains including teeth and jaw fragments, Sauraechinodon appears to have been a compact, four-legged herbivore with the characteristic features of stegosaurs. Like other members of this group, it would have possessed rows of plates or spines along its back and a spiked tail, though the exact arrangement and size of these defensive features remains uncertain due to the limited fossil evidence.
As a herbivore, Sauraechinodon would have fed on the ferns, cycads, and early flowering plants that were becoming common during the Early Cretaceous. Its teeth show adaptations for processing tough plant material, and like other stegosaurs, it probably had a relatively small head compared to its body size. The creature's low-slung posture would have been ideal for browsing on low-growing vegetation.
Sauraechinodon represents one of the last known stegosaurs, as this group of dinosaurs was already in decline by the Early Cretaceous. Most stegosaur diversity occurred during the Late Jurassic period, making Sauraechinodon an interesting glimpse into the final chapter of these distinctive armoured dinosaurs' evolutionary story.
Sauraechinodon possessed distinctively shaped teeth adapted for processing plant material, with a relatively robust build typical of stegosaurs. The exact arrangement of its back plates and spikes remains unknown due to limited fossil evidence, though it was notably smaller than most other stegosaur species.
Like other stegosaurs, Sauraechinodon was likely a peaceful browser that used its armoured plates and tail spikes primarily for defence against predators. It probably lived in small herds and spent most of its time foraging for vegetation close to the ground, using its beak-like mouth to strip leaves and shoots from plants.
Sauraechinodon was first described by Franz Nopcsa in 1928. The original fossils were discovered at Wealden Formation, England.