On September 3rd, 2023, Dayong the Yangchuanosaurus shangyouensis, an apex predator from the Late Jurassic, joined the grand dinosaur family of the PNSO Prehistoric Animal Models series. Let’s get to know it with some details.

Prototype designed by ZHAO Chuang
Stories written by YANG Yang

Who is Dayong the Yangchuanosaurus shangyouensis?


Yangchuanosaurus shangyouensis is the first described and named species of the Yongchuanosaurus family. In June 1977, its fossils were discovered in an upstream reservoir of Yongchuan District of Chongqing Municipality.

Dayong the Yangchuanosaurus shangyouensis
Model Size / 22.5cm×2.8cm×6.4cm
Model Material / Environment-friendly PVC, hand painting
Model Structure / Solid Structure
Package Size / 25.3cm×4.3cm×9.8cm
Inside Package / Model + A3 Poster + Product Manual
Transparent Support / Yes

How did ZHAO Chuang and YANG Yang create Dayong the Yangchuanosaurus shangyouensis?


The Size of Dayong the Y. shangyouensis

According to scientific research on the fossils, Dayong the Y. shangyouensis was set to 10 meters to scale down when we reconstructed the model.

The Head of Dayong the Y. shangyouensis

The head of Y. shangyouensis was huge, but not heavy. Its mouth was filled with sharp teeth, and combined with a great bite force, it can easily take down most prey.

The Limbs of Dayong the Y. shangyouensis

The forelimbs of Y. shangyouensis were quite flexible with long, sharp claws, which could clamp down the prey easily. Its hind limbs were slender and sturdy that could provide it a quick run.


Learn while Play


Subscribe to PNSO.Official YouTube channel. Get to know Dayong the Yangchuanosaurus shangyouensis with ZHAO Chuang in the playlist of PNSO Prehistoric Animal Models-Get to Know Dinosaurs. Learn to draw Dayong the Yangchuanosaurus shangyouensis with ZHAO Chuang in the playlist of PNSO Prehistoric Animal Models-Learn to Draw Dinosaurs.