The recent discovery of a Middle Jurassic primitive ornithischian, Agilisaurus louderbacki, found in the Xiashaximiao Formation of Zigong, Sichuan Basin, China, has led to paleontologists learning more about the phylogeny of fabrosaurids.
Sichuan | Amazon Basin | 2008 Sichuan earthquake | Great Basin | drainage basin | Drainage basin | Tarim Basin | Congo Basin | Basin Reserve | Vienna Basin | Thuringian Basin | Permian Basin | Columbia Basin | basin | Amazon basin | Pannonian Basin | Niya (Tarim Basin) | Dazhou, Sichuan | Sydney Basin | Sorbas basin | Melut Basin | Los Angeles Basin | Great Basin Desert | David Taylor Model Basin | Chicago Basin | Bedford Basin | Basin Street | Badwater Basin | Anadarko Basin | Yuexi County, Sichuan |
Mianyang is located at the northwestern end of the Sichuan Basin, on the upper to middle reaches of the Fu River.
Famous Chinese paleontologist Yang Zhongjian (in older references his name is given as C. C. Young) named this genus from IVP AS V232-234, a group of four isolated partial teeth found near Weiyuan, Guangyuan, Sichuan Basin.