Limnosaurus Facts
| Diet | Herbivore |
| Height | 1.5m |
| Length | 4m |
| Weight | 800 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | Romania |

| Diet | Herbivore |
| Height | 1.5m |
| Length | 4m |
| Weight | 800 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | Romania |
Limnosaurus was a duck-billed ornithopod dinosaur that lived during the Late Cretaceous period, between 83.6 and 72.2 million years ago. This herbivorous dinosaur inhabited what is now Romania, forming part of the unique island ecosystem known as Hațeg Island during the Cretaceous period.
As an ornithopod, Limnosaurus possessed the typical features of this group, including a duck-like bill perfectly adapted for cropping vegetation. It measured approximately 4 metres in length and stood about 1.5 metres tall at the hip, making it a medium-sized member of its family. Like other ornithopods, it could move both on two legs when needed for speed and on four legs whilst feeding.
The dinosaur's flattened, beak-like snout was ideal for gathering low-growing plants, ferns, and cycads that flourished in the warm, humid climate of Late Cretaceous Europe. Its teeth were arranged in dental batteries, allowing it to efficiently process tough plant material through a grinding motion.
Limnosaurus lived on Hațeg Island, an ancient landmass surrounded by the Tethys Sea. This isolated environment led to unique evolutionary pressures, and many of the dinosaurs found here, including Limnosaurus, show interesting adaptations to island life during this fascinating period of Earth's history.
Limnosaurus had a distinctive duck-like bill adapted for plant-eating, typical of ornithopod dinosaurs. Its medium build and robust limbs allowed it to move efficiently both bipedally and quadrupedally across the varied terrain of its island habitat.
Limnosaurus likely lived in small herds, using safety in numbers to watch for predators on Hațeg Island. It probably spent much of its day foraging for vegetation, using its specialised bill to strip leaves and shoots from plants before grinding them with its complex tooth arrangements.
Limnosaurus was first described by Franz Baron Nopcsa in 1900. The original fossils were discovered at Hațeg Basin, Romania.