On 24th, September 2022, a new friend Jacques the Deinocheirus 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 Jacques the Deinocheirus?

Jacques the Deinocheirus is a very special dinosaur from the Ornithomimosauria. Its gigantic size made it a slow runner on land. So, it preferred to stay in the water and loved to eat fish and aquatic plants. It had a peculiar look with a flat and wide duck-like mouth, but there was not a single tooth inside. It had its back highly arched and was covered by feathers.

Jacques the Deinocheirus

Model Size/29.2cm X 9.5cm X 12.5cm
Model Material/ Environment-friendly PVC, hand painting
Model Structure/Solid Structure
Package Size/34.25cm X 10.9cm X 14.7cm
Inside Package/ Model + A3 Poster + Product Manual
Transparent Support/Yes

How did ZHAO Chuang and YANG Yang create Jacques the Deinocheirus?

The Size of Jacques the Deinocheirus

Deinocheirus was a gigantic dinosaur with the largest member reaching 11 meters, almost as large as a T. rex. The model Jacques the Deinocheirus is set to 11 meters to scale down when we did reconstruction. Its towered back and feathers that covered almost the whole body made it look much bigger than it truly was.

The Head of Jacques the Deinocheirus

Jacques the Deinocheirus had a slender head. The front of its mouth was like a duck’s, but its beak curved downward and had zero teeth inside. Its eyes were tiny and were very close to the back of head and the top of the skull. Because it liked to stay in the water, the openings of its nostrils were facing upwards. In our restoration, all these features are well presented.

The Limbs of Jacques the Deinocheirus

Like most carnivorous dinosaurs, the forelimbs of Deinocheirus had three fingers, but what’s different is that the three fingers were almost equally long. It might have a pair of large wings on its forelimbs, covered with numerous vane-like feathers. In addition, there were also feathers on the hindlimbs of Deinocheirus, but these feathers only covered the upper part of the thigh. Feathers are the main focus in our restoration of Jacques the Deinocheirus.

The Backsail of Jacques the Deinocheirus

The most salient feature of the Deinocheirus‘s trunk was the tall sail on the back. Like the sail on Spinosaurus‘s back, the structure likely was for display. In our restoration, you can clearly see the feature of its back sail with the base thicker and the top thinner.

The tail of Jacques the Deinocheirus

The tail of Deinocheirus might be covered with feathers, with a fan at the end of the tail. In our restoration, the feathers on its tail are presented in subtle details.

Learn while Play

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