Fruitadens Facts
| Diet | Omnivore |
| Height | 0.2m |
| Length | 0.75m |
| Weight | 750 g |
| Environment | Land |
| Era | Jurassic |
| Period | Late Jurassic |
| Type | Other |
| Location | North America |

| Diet | Omnivore |
| Height | 0.2m |
| Length | 0.75m |
| Weight | 750 g |
| Environment | Land |
| Era | Jurassic |
| Period | Late Jurassic |
| Type | Other |
| Location | North America |
Fruitadens was a tiny ornithischian dinosaur that lived during the Late Jurassic period, around 149 million years ago. Named after the town of Fruita in Colorado where its fossils were discovered, this diminutive dinosaur represents one of the smallest ornithischian dinosaurs ever found. Young adults measured just 65-75 centimetres in length and weighed only 0.5-0.75 kilograms, making them about the size of a small dog.
This bipedal dinosaur had a distinctive skull structure with different types of teeth, which is characteristic of its group. Unlike many plant-eating dinosaurs, Fruitadens was an omnivore, using its varied dentition to process both plant matter and small animals. Its small front teeth were suitable for nipping vegetation, whilst its sharper canine-like teeth could have been used for catching insects or other small prey.
Fruitadens lived in what is now Colorado during a time when the region was much warmer and more humid than today. The Morrison Formation, where its remains were found, has yielded some of the most famous dinosaur fossils, though most are much larger creatures like Brontosaurus and Stegosaurus. Fruitadens represents one of the latest-surviving members of its family group, showing that small ornithischian dinosaurs continued to thrive alongside their giant relatives.
The discovery of multiple individuals of different ages has provided valuable insights into how these tiny dinosaurs grew and developed. This makes Fruitadens particularly important for understanding the diversity of small dinosaurs that lived alongside the famous giants of the Jurassic period.
Fruitadens was distinguished by its incredibly small size, being one of the tiniest ornithischian dinosaurs known. It had a heterodont dentition with different types of teeth including small front teeth for cropping plants and larger canine-like teeth, along with long, slender legs typical of a fast-moving bipedal dinosaur.
Fruitadens was likely an active, fast-moving dinosaur that used its speed and small size to avoid predators. As an omnivore, it probably spent much of its time foraging for a varied diet of plants, seeds, insects, and other small animals, similar to modern small ground-dwelling birds.
| Phylum | Chordata |
| Class | Ornithischia |
| Family | Heterodontosauridae |
| Genus | Fruitadens |
Fruitadens was first described by Richard Butler and colleagues in 2009. The original fossils were discovered at Morrison Formation, Colorado, USA.