Changchunsaurus Facts
Pronunciation: CHANG-choon-SORE-us
Name meaning: Changchun Lizard
| Diet | Herbivore |
| Height | 0.4m |
| Length | 1.2m |
| Weight | 8 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Ornithopod |
| Location | China |
Changchunsaurus was a small herbivorous ornithopod dinosaur that lived during the Early Cretaceous period, approximately 121.4 million years ago. This diminutive dinosaur holds the distinction of being the first named dinosaur genus discovered in the Jilin Province of northeastern China, making it an important find for understanding dinosaur diversity in this region.
As a member of the ornithopod group, Changchunsaurus was built for efficient plant processing and likely spent much of its time foraging for vegetation close to the ground. Its small size, measuring roughly 1.2 metres in length and standing about 0.4 metres at the hip, would have made it comparable to a large dog. Weighing approximately 8 kilograms, this lightweight dinosaur was well-adapted for quick movement through its forest habitat.
The fossil remains of Changchunsaurus were discovered in the Quantou Formation near Gongzhuling, an area that during the Early Cretaceous was characterised by lush, warm environments with abundant plant life. As a herbivore, Changchunsaurus would have fed on ferns, cycads, and early flowering plants that were becoming more common during this period. Its small size likely allowed it to exploit food sources that larger dinosaurs couldn't access.
The discovery of Changchunsaurus has helped palaeontologists better understand the distribution and evolution of small ornithopod dinosaurs across Asia during the Cretaceous period, providing valuable insights into the ecosystems that existed in what is now northeastern China over 120 million years ago.
What made Changchunsaurus distinctive?
Changchunsaurus was characterised by its very small size compared to other ornithopods, with a lightweight build suited for agile movement. As a neornithischian dinosaur, it possessed the typical bird-like hip structure of its group, along with a beak-like front of the mouth for cropping vegetation.
Behaviour
Changchunsaurus likely lived in small groups, using its agility and small size to quickly escape from predators by darting between dense vegetation. Its feeding behaviour would have involved selective browsing of low-growing plants, using its beak to crop tender shoots and leaves.
Discovery
Changchunsaurus was first described by Xu Xing and colleagues in 2005. The original fossils were discovered at Gongzhuling, Jilin Province, China.
Changchunsaurus FAQ
What did Changchunsaurus eat?
Changchunsaurus was a herbivore that fed on various plants available during the
Early Cretaceous period, including ferns, cycads, and possibly some of the earliest flowering plants. Its small size allowed it to browse on low-growing vegetation and tender shoots that larger dinosaurs might have overlooked.
How big was Changchunsaurus?
Changchunsaurus was quite small, measuring approximately 1.2 metres in length and standing about 0.4 metres tall at the hip. It weighed roughly 8 kilograms, making it about the size of a medium dog and one of the smaller ornithopod dinosaurs known to science.
When did Changchunsaurus live?
Changchunsaurus lived during the
Early Cretaceous period, approximately 121.4 million years ago. This was a time when flowering plants were beginning to diversify and the climate was generally warm and humid across much of the world.
Where was Changchunsaurus found?
Changchunsaurus fossils were discovered near Gongzhuling in Jilin Province, northeastern China. This was the first dinosaur genus to be named from this region, making it an important discovery for understanding dinosaur distribution in Asia.
How do you pronounce Changchunsaurus?
Changchunsaurus is pronounced 'CHANG-choon-SORE-us'. The name comes from Changchun, the capital city of Jilin Province where the fossils were found, combined with the Greek word 'saurus' meaning lizard.
What does Changchunsaurus mean?
Changchunsaurus means 'Changchun lizard', named after Changchun, the capital city of Jilin Province in China. The name honours the region where this important dinosaur discovery was made.
How fast could Changchunsaurus run?
The exact running speed of Changchunsaurus is unknown, but its small, lightweight build and long legs suggest it was likely quite agile and capable of quick bursts of speed to escape predators when necessary.
What type of dinosaur was Changchunsaurus?
Changchunsaurus was an ornithopod dinosaur, specifically belonging to the family Thescelosauridae. Ornithopods were a diverse group of herbivorous dinosaurs characterised by their bird-like hip structure and efficient plant-processing abilities.
Was Changchunsaurus related to birds?
While Changchunsaurus was not directly related to birds, as an ornithischian dinosaur it shared some bird-like features, particularly in its hip structure. However, birds actually evolved from theropod dinosaurs, not ornithopods like Changchunsaurus.
How many Changchunsaurus fossils have been found?
The exact number of Changchunsaurus specimens is not widely detailed in the literature, but the genus is known from fossil material discovered in the Quantou Formation. As with many dinosaur species, fossil remains are relatively rare and precious for scientific study.
