| Diet | Herbivore |
| Height | 4m |
| Length | 15m |
| Weight | 12 tonnes |
| Environment | Land |
| Era | Jurassic |
| Period | Middle Jurassic |
| Type | Sauropod |
| Location | China |
Yibinosaurus is an informally named sauropod dinosaur that was reportedly discovered in the Yibin region of Sichuan Province, China. However, this name has never been formally published in scientific literature, making it what palaeontologists call a 'nomen nudum' or 'naked name'. Despite appearing in some dinosaur lists and informal discussions, no official scientific description of this creature exists.
Based on the limited information available, Yibinosaurus would have been a typical sauropod of the Middle Jurassic period, living approximately 174 to 164 million years ago. Like other sauropods of this era, it would have been a massive, long-necked herbivore that walked on four sturdy legs and used its elongated neck to reach vegetation that other dinosaurs couldn't access.
The Sichuan Province region where Yibinosaurus was allegedly found has yielded numerous important dinosaur discoveries, including several well-documented sauropod species. However, without formal scientific publication and proper fossil evidence, the true nature and characteristics of Yibinosaurus remain a mystery to palaeontologists.
This case highlights the importance of proper scientific procedures in palaeontology, where discoveries must be formally described, peer-reviewed, and published before being accepted by the scientific community.
No distinguishing features can be confirmed as Yibinosaurus has never been formally described or published in scientific literature. Any specific characteristics remain unknown to science.
The behaviour of Yibinosaurus cannot be determined as it has never been formally studied or published. If it were a genuine sauropod, it would likely have exhibited typical sauropod feeding behaviours.
The original fossils were discovered at Yibin region, Sichuan Province, China.
