|
Describer Li, Peng, Ye, Jiang, & Huang 2009 Time Jurassic Late
Classification Saurischia Theropoda Carnosauria Sinraptoridae Diet Carnivore
Fossilsite Shangshaximiao Formation of Xiaogu, Qianwei County, Sichuan Basin, Sichuan, China Length
6.2 m
Info Leshansaurus qianweiensis is represented by a quite complete skeleton of a grown-up individual with an incomplete skul. It is distinguished from other carnosaurs by supraoccipital with a sharp midline ridge; relatively longer frontal with a ratio of the maximum length to the maximum width about 2.86; basipterygoid processes of basisphenoid slender; atlantal intercentrum horseshoe-shaped; diapophyses of dorsal vertebrae relatively slender; neural spines of dorsal and sacral vertebrae very thin; ventral keel of sacral vertebrae distinctly defined; ilium with a conspicuous ridge medially along acetabular edge. This new dinosaur was the latest carnosaur presently known in Sichuan Basin. Its discovery extends the horizontal and geographical distributions of the carnosaurs in Sichuan Basin, and is significant in the evolution of the carnosaurs. Etymologie: Leshan, for the administrative area; qianweiensis for the administration county "Qianwei County" were the fossil was found Holtotype: QW200701 Braincase, right maxilla, tooth, atlas, cervical 10, mid-posterior caudals, right ilium, left pubis, left femur, left tibia, left fibula, right metacarpal, right medial phalanx, right pedal phalanx, manual ungual, pedal ungual IV Paratype: QW200702 right femur. The specimen is preserved in the Leshan Giant Buddha Temple Museum.
|
