Jinzhousaurus ‭(‬Jinzhou lizard‭)‬

Short Info

Jinzhousaurus ‭(‬Jinzhou lizard‭)‬

Phonetic : Jin-zu-sor-us.

Named By : X.‭ ‬Wang‭ & ‬X.‭ ‬Xu‭ ‬-‭ ‬2001

Diet : Herbivore

Size : Estimated 7 meters long

Type of Dinosaur : Euornithopod

Type Species : J.‭ ‬yangi‭ (‬type‭)

Found in : China,‭ ‬Liaoning Province‭ ‬-‭ ‬Yixian Formation

When it Lived : Early Cretaceous, 127-121 million years ago

Jinzhousaurus is an genus of hadrosauroid dinosauroid dinosaurs from the Early Cretaceous period of China. Jinzhousaurus is the type species. The town of Jinzhou is the generic name. Yang Zhongjian, the founder of Chinese paleontology, is the specific name. It was first described in 2001 by Wang Xiaolin and Xu Xing.


Jinzhousaurus yangiI, Laikayiu, CC BY-SA 3.0, via Wikimedia Commons


Its fossil, holotype IVPPV12691, was discovered near Baicaigou, Yixian County, in the Dawangzhangzi beds of the Yixian Formation, Liaoning. It has an oldest determinable age, of 122 millions years, and was discovered during the early Aptian stage, early Cretaceous Period. It is composed of a nearly complete skull, which was compressed onto a slab.

Jinzhousaurus measures approximately 7m (23ft) in length and has a skull that is half a meter long. The snout of Jinzhousaurus was long and elongated, with large nares. It did not have an antorbital finestra. The skull’s back was unusually large with a small crest at the top. The lower jaw’s dentary has at most seventeen positions for teeth.

Source: Wikipedia