Suzhousaurus Facts
Pronunciation: soo-ZHOH-sore-us
Name meaning: Suzhou lizard (named after Suzhou city in China)
| Diet | Herbivore |
| Height | 3m |
| Length | 6m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Theropod |
| Location | China |
Suzhousaurus was a large, plant-eating theropod dinosaur that lived in China during the Early Cretaceous period, approximately 121 to 113 million years ago. Despite being classified as a theropod—a group traditionally known for fearsome predators like Tyrannosaurus—Suzhousaurus had evolved to become a gentle giant that fed entirely on plants.
This remarkable dinosaur measured around 6 metres in length and stood about 3 metres tall at the hip, making it one of the larger members of its family. Suzhousaurus possessed the characteristic features of its kind: massive claws on its hands, a long neck for reaching vegetation, and a bulky body to house the large digestive system needed to process tough plant matter. Its powerful limbs supported its considerable weight as it moved through the lush Early Cretaceous landscapes of what is now Gansu Province.
Like other members of its family, Suzhousaurus would have used its enormous hand claws—potentially up to a metre long—to strip leaves from branches and pull down vegetation. Its small head contained a beak-like mouth perfect for cropping plants, whilst its long neck allowed it to browse at various heights. The discovery of Suzhousaurus has provided valuable insights into how theropod dinosaurs diversified during the Cretaceous, with some lineages abandoning their carnivorous heritage to exploit the abundant plant resources of their time.
What made Suzhousaurus distinctive?
Suzhousaurus had enormous curved claws on its hands, potentially reaching up to a metre in length, which it used for stripping vegetation rather than catching prey. It possessed a relatively small head with a beak-like mouth and an unusually long neck for a theropod, adaptations that helped it browse on plants at different heights.
Behaviour
Suzhousaurus likely spent most of its time browsing on vegetation, using its massive claws to pull down branches and strip leaves. It probably moved in small groups through forested areas, using its height advantage to access food sources unavailable to smaller herbivores.
Discovery
Suzhousaurus was first described by Li Da-qing and colleagues in 2007. The original fossils were discovered at Xiagou and Zhonggou Formations, Gansu Province, China.
Suzhousaurus FAQ
What did Suzhousaurus eat?
Suzhousaurus was herbivorous, feeding entirely on plants despite being a theropod dinosaur. It used its massive claws to strip leaves from branches and pull down vegetation, whilst its beak-like mouth was perfect for cropping plants and shoots.
How big was Suzhousaurus?
Suzhousaurus was about 6 metres long and stood roughly 3 metres tall at the hip, weighing approximately 1.5 tonnes. This made it one of the larger members of its family and a substantial presence in
Early Cretaceous China.
When did Suzhousaurus live?
Suzhousaurus lived during the
Early Cretaceous period, approximately 121.4 to 113.2 million years ago. This was a time when flowering plants were beginning to diversify and dinosaurs were reaching peak diversity.
Where was Suzhousaurus found?
Fossils of Suzhousaurus have been discovered in Gansu Province, China, specifically in the Xiagou and Zhonggou Formations. The specimens were found during fieldwork expeditions in 1999 and 2004.
How do you pronounce Suzhousaurus?
Suzhousaurus is pronounced 'soo-ZHOH-sore-us', with the emphasis on the middle syllable 'ZHOH', which reflects the Chinese pronunciation of Suzhou city.
What does Suzhousaurus mean?
Suzhousaurus means 'Suzhou lizard', named after the famous Chinese city of Suzhou. The name honours the cultural heritage of the region where this dinosaur's fossils were discovered.
How fast could Suzhousaurus run?
The running speed of Suzhousaurus is unknown, but given its large size and bulky build adapted for processing plants, it was likely not a fast runner. It probably moved at a steady walking pace whilst foraging for vegetation.
What type of dinosaur was Suzhousaurus?
Suzhousaurus was a theropod dinosaur, specifically belonging to the family Therizinosauridae. Although theropods are typically carnivorous, this family had evolved to become plant-eaters with massive claws for handling vegetation.
Was Suzhousaurus related to birds?
Yes, as a theropod dinosaur, Suzhousaurus was part of the same major group that gave rise to modern birds. However, it represents a side branch that evolved away from the carnivorous lifestyle towards herbivory.
How many Suzhousaurus fossils have been found?
Only two specimens of Suzhousaurus have been discovered so far, both found in Gansu Province, China. The first was uncovered in 1999 and the second in 2004, both during organised palaeontological fieldwork in the region.
