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meaning: "Xiongguan dragon"
Named By: Li et al. in 2010
Time Period: Early Cretaceous, 112 Ma
Location: China, Gansu Province
Size: Estimated about 4-4.5 meters long
Diet: unavailable
Fossil(s): Skull and partial postcranial remains
Classification: | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Coelurosauria | Tyrannosauroidea |

Xiongguanlong is a genus of tyrannosauroid dinosaur that lived in the Early Cretaceous of what is now China. The type species is X. baimoensis, described online in 2009 by a group of researchers from China and the United States, and formally published in January 2010. The genus name refers to the city of Jiayuguan, a city in northwestern China. The specific name is derived from bai mo, "white ghost", after the "white ghost castle", a rock formation near the fossil site. The fossils include a skull, vertebrae, a right ilium and the right femur. The rocks it was found in are from the Aptian to Albian stages of the Cretaceous, between 125 and 100 million years ago.

Read more about Xiongguanlong at Wikipedia
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