Field of Science

Chuxiongosaurus lufengensis, a New Basal Sauropod from the Early Jurassic of China

Lü J., Y. Kobayashi, Li T. & Zhong S., 2010. A new basal sauropod dinosaur from the Lufeng Basin, Yunnan Province, southwestern China. Acta Geologica Sinica 84: 1336-1342.

Abstract - A new dinosaur Chuxiongosaurus lufengensis gen. et sp. nov. is erected based on a nearly complete skull. The taxon is characterized by the lacrimal perpendicular to the ventral margin of the upper jaw, which is similar to that of Thecodontosaurus; a depression present on the dorsal profile of the snout behind the naris; the rostral profile of the maxilla slopes continuously towards the rostral tip; and the presence of 25 dentary teeth. It also displays prosauropod characters such as a relatively long skull, the slope of the maxillary rostral profile, and teeth that do not have basically constricted crowns. The new specimen is more basal than Anchisaurus and represents the first basal sauropod dinosaur from the Early Jurassic of China.

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