Kerberosaurus Facts
| Diet | Herbivore |
| Height | 3m |
| Length | 9m |
| Weight | 3.5 tonnes |
| Speed | 25 km/h |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | Russia |

| Diet | Herbivore |
| Height | 3m |
| Length | 9m |
| Weight | 3.5 tonnes |
| Speed | 25 km/h |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | Russia |
Kerberosaurus was a large ornithopod dinosaur that lived during the Late Cretaceous period, around 72.2 million years ago in what is now Russia. This impressive herbivore belonged to the duck-billed dinosaur group and was closely related to other well-known species like Saurolophus and Prosaurolophus. Kerberosaurus inhabited the ancient floodplains and river systems of the Tsagayan Formation in the Amur Region.
Measuring approximately 9 metres in length and standing about 3 metres tall at the hip, Kerberosaurus was a substantial dinosaur weighing around 3.5 tonnes. Like other ornithopods of its kind, it possessed the characteristic duck-like bill that gave its group their common name. This flattened snout was perfectly adapted for cropping vegetation, whilst hundreds of small grinding teeth at the back of its jaws processed tough plant material.
Kerberosaurus lived in herds across the Late Cretaceous landscapes of ancient Asia, feeding on ferns, cycads, and early flowering plants. Its powerful hind legs allowed it to move efficiently on two legs when necessary, though it likely spent considerable time on all fours whilst feeding. The discovery of bonebed material suggests these dinosaurs may have died together, possibly during seasonal migrations or natural disasters.
The fossil evidence for Kerberosaurus comes from multiple individuals found in the same deposits, providing valuable insights into the diversity of Asian duck-billed dinosaurs during the final stages of the Mesozoic Era.
Kerberosaurus possessed the characteristic flattened, duck-like bill of its group, with a relatively long and low skull profile. Its robust build and substantial size distinguished it from smaller ornithopods, whilst maintaining the typical bipedal stance and powerful hind limbs of duck-billed dinosaurs.
Kerberosaurus lived in social groups, as evidenced by the bonebed discoveries containing multiple individuals. These dinosaurs likely migrated seasonally in search of fresh vegetation and may have exhibited complex herd behaviours similar to modern grazing animals.
Kerberosaurus was first described by Pascal Godefroit in 2004. The original fossils were discovered at Tsagayan Formation, Blagoveshchensk, Amur Region, Russia.