[D] Yandusaurus hongheensis [Su] [sG] [T]
Jurassic Middle Bathonian Callovian
Ornithischia Ornithopoda Hypsilophodontidae
Xiashaximiao Formation, Sichuan, China
Genus - Typespecies - Skull
Yandusaurus hongheensis (He, 1979) > Yubasaurus (He, 1975)
Two nearly complete skeletons with skull.
(Also known as Yubasaurus, Nomen Nudem).
Yandusaurus known by two nearly complete skeletons from the Middle Jurassic of China lacks prominent primary ridges on the lingual faces of the dentary teeth (He and Cai, 1983).
The quadratojugal is long and narrow.