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Introduction to Stillosaurus Dinosaur

Stillosaurus is an extinct genus of Dinosaur from the early Jurassic period, which roamed the earth around 201 million years ago. It was a bipedal, plant-eating dinosaur that grew up to 10 feet in length.
Stillosaurus belonged to the group of dinosaur known as the Sauropodomorpha, which means “lizard-footed forms”. Stillosaurus is unique for its biomechanically advanced limbs, which allowed it to be extremely dynamic and agile, as well as somewhat economical in its stride.

Fossils of Stillosaurus Dinosaur

The first fossil of Stillosaurus was discovered in 1966, near the town of Eshano, in southeastern France. This one specimen is the only known fossil of this species. It consists of several pieces of vertebrae, ribs, and the partial thighbone. Despite the incompleteness of the specimen, paleontologists have been able to make some basic deductions about the structure of Stillosaurus.

Physical Descriptions of Stillosaurus Dinosaur

Stillosaurus was a very small bipedal dinosaur, measuring approximately 10 feet in length and weighing about 70 kilograms. It had a long, flexible neck and a small, narrow head. The bones of its back were much more robust than those of other Sauropodomorpha, which gave it more mobility when walking.

Stillosaurus had four fingers on each hand and five toes on each foot. Its legs were short and heavily muscled, indicating that it was probably an agile runner.

Diet of Stillosaurus Dinosaur

Despite the limited knowledge about Stillosaurus, paleontologists have made some speculations about its diet. Based on the anatomy of its skull and its teeth, it was likely an omnivore, eating both plants and small animals. Most likely, it fed mainly on tough vegetation such as roots, shoots, and seeds.

Stillosaurus two

Habitat of Stillosaurus Dinosaur

The habitat of Stillosaurus is unknown since its discovery was based on a single fossil. It is certain that Stillosaurus lived in the early Jurassic period and was most likely found in Europe and North Africa.

It is believed that Stillosaurus preferred forests due to its omnivorous diet and agile running ability. In a forest environment, it could forage for a variety of food sources, such as fruits and small animals.

Behavior of Stillosaurus Dinosaur

Very little is known about the behavior of Stillosaurus. However, due to its biomechanically advanced limbs, it is likely that it was an active and agile animal. It could move quickly through the forest thanks to its long and flexible neck and its powerful legs.

Its long and flexible neck would have allowed it to reach high up into the trees, which would have also been useful for finding food sources. In addition, its small and narrow head likely enabled better maneuverability when dodging predators.


Stillosaurus is a unique dinosaur that has only been known for about fifty years. It was a small, bipedal dinosaur that lived in the early Jurassic period. It was an omnivore, meaning it ate both plants and animals.

Based on its fossil remains, paleontologists believe that it had biomechanically advanced limbs which made it an agile runner.

While more fossils are needed to gain a better understanding of this dinosaur species, the discoveries thus far suggest that Stillosaurus was a unique and fascinating creature.

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