Echinodon Facts
| Diet | Herbivore |
| Height | 0.3m |
| Length | 0.6m |
| Weight | 1.5 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Ornithopod |
| Location | England And Possibly France |

| Diet | Herbivore |
| Height | 0.3m |
| Length | 0.6m |
| Weight | 1.5 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Ornithopod |
| Location | England And Possibly France |
Echinodon was a tiny ornithopod dinosaur that lived during the earliest Cretaceous period, approximately 152 to 141 million years ago, in what is now southern England and possibly western France. This diminutive dinosaur was one of the smallest known ornithopods, measuring only about 60 centimetres in length and weighing roughly 1.5 kilograms—about the size of a large domestic cat.
Despite its small stature, Echinodon possessed distinctive dental features that set it apart from other ornithopods. Its teeth were particularly spiky and well-suited for processing tough plant material, giving rise to its name meaning 'prickly tooth'. The creature likely fed on low-growing ferns, cycads, and other vegetation available in the warm, humid environment of Early Cretaceous Britain.
What makes Echinodon particularly intriguing to palaeontologists is how little we know about it despite being discovered over 160 years ago. The fossil evidence consists entirely of jaw bones and isolated teeth, leaving much of its anatomy to educated speculation. This ornithopod represents one of the earliest known members of the heterodontosaurid family in Europe, providing valuable insights into the diversity of small herbivorous dinosaurs during the transition from the Jurassic to Cretaceous periods.
Echinodon's most distinctive feature was its unusually spiky, prickly teeth that were well-adapted for cutting tough plant material. Its extremely small size, comparable to a modern house cat, made it one of the tiniest known ornithopod dinosaurs.
Based on its tooth structure, Echinodon likely spent much of its time foraging for tough, fibrous plant material close to the ground. As a small ornithopod, it probably lived in social groups for protection against predators and may have been quite agile, using speed and quick movements to escape danger.
| Phylum | Chordata |
| Class | Ornithischia |
| Family | Heterodontosauridae |
| Genus | Echinodon |
Echinodon was first described by Sir Richard Owen in 1861. The original fossils were discovered at Southern England.