Sichuan - China

Sichuan, a Chinese word meaning \\\"four rivers converging onto a plain\\\" is a vastsedimentary basin containing continental strata of Mesozoic age which form a continuous sequence from the Upper Triassic to the Jurassic-Cretaceous boundary. The beds, more than 3000 metres thick, are composed predominantly of purplish red mudstones deposited in fluviolacustrine (river and lake) envireonments.

They are collectively known as the \\\"Red Basin of Sichuan\\\". Rich and varied remains of dinosaurs have been discovered troughout the sequence in the Sicuan Red Basin which provides the longest continuous record of Jurassic dinosaurs from anywhere in the world. They can be conveniently devided into three succesive assemblages, the oldest is the Lufengosaurus-Fauna from the Lower Jurassic Zhenzhunchong Formation and Ziliujing Formation, second is the Shunosaurus-Fauna from the Middle Jurassic Lower Shangshaximiao Formation, and the youngest is the Mamenschisaurus-Fauna from the Upper Shangshaximiao Formation of Upper Jurassic age.

The Xiashaximiao Formation is the Lower Shaximiao Formation and the Shangshaximiao Formation is the Upper Shaximiao Formation


Abrosaurus dongpoi - Sichuan Basin


Abrosaurus gigantorhinus - Sichuan Basin



Agilisaurus louderbacki - Xiashaximiao Formation



Agilisaurus multidens - Xiashaximiao Formation



Bashunosaurus - Sichuan Basin



Bellusaurus sui - Shishugou Formation former Wucaiwan Formation, Junggar Basin



Chialingosaurus kuani - Shangshaximiao Formation



Chuandongocoelurus primitivus - Xiashaximiao Formation



Chungkingosaurus jiangbeiensis - Shangshaximiao Formation



Daanosaurus zhangi



Datousaurus bashanensis - Xiashaximiao Formation



Gasosaurus constructus



Gigantspinosaurus sichuanensis



Gongbusaurus shiyii - Shangshaximiao Formation



Gongxianosaurus shibeiensis - Dongyuemiao Member of the Ziliujing Formation



Hexinlusaurus multidens - Xiashaximiao Formation



Huayangosaurus taibaii - Xiashaximiao Formation



Kaijiangosaurus lini - Xiashaximiao Formation



Leshansaurus qianweiensis - Shangshaximiao Formation



Lufengosaurus hunei - Zhenzhunchong Formation



Lufengosaurus magnus - Zhenzhunchong Formation



Mamenchisaurus constructus - Shangshaximiao Formation



Mamenchisaurus hochuanensis - Shangshaximiao Formation



Mamenchisaurus jingyanensis - Sichuan Basin Jurassic Late



Mamenchisaurus youngi - Sauropoda Euhelopodidae - Jurassic Late Oxfordian



Omeisaurus changshouensis -Shangshaximiao Formation



Omeisaurus fuxiensis - Shangshaximiao Formation



Omeisaurus jiaoi - Shangshaximiao Formation



Omeisaurus junghsiensis - Xiashaximiao Formation



Omeisaurus luoquanensis - Xiashaximiao Formation



Omeisaurus maoianus - Shangshaximiao Formation



Omeisaurus tianfuensis - Xiashaximiao Formation



Protognathosaurus oxyodon - Xiashaximiao Formation



Protognathus oxyodon - Xiashaximiao Formation



Sanpasaurus yaoi (1) - Kuangyuan Series



Sanpasaurus yaoi (2) - Kuangyuan Series



Shunosaurus lii - Xiashaximiao Formation



Shunosaurus ziliujingensis - Ziliujing Formation



Sinocoelurus fragilis



Sinraptor hepingensis



Szechuanosaurus campi - Shangshaximiao Formation, ?Kuangyuan Series



Szechuanosaurus yandonensis - Shangshaximiao Formation



Szechuanosaurus zigongensis - Dashanpu Quarry, Zigong



Tuojiangosaurus multispinus - Shangshaximiao Formation



Xiaosaurus dashanpensis - Xiashaximiao Formation



Xuanhanosaurus qilixiaensis - Xiashaximiao Formation



Yandusaurus hongheensis - Xiashaximiao Formation



Yandusaurus multidens - Xiashaximiao Formation



Yangchuanosaurus hepingensis - Shangshaximiao Formation



Yangchuanosaurus magnus - Shangshaximiao Formation



Yangchuanosaurus shangyouensis - Shangshaximiao Formation



Zigongosaurus fuxiensis



Zizhongosaurus chuanchengensis - Da\\\'anzhai Formation, Luanshai