PGS Daily Dinosaur – Yangchuanosaurus (=Sinraptor) dongi

The Yangchuanosaurus dongi, believed to be a species of Sinraptor, is a fierce member of the Carnosaurs, the large predatory avetheropods that roamed most continents from the Middle Jurassic to the end of the Dinosaur Era. With its jagged teeth and powerful neck muscles, Yangchuanosaurus dongi was able to cripple prey with slashing bites. Scroll down to learn more about this dinosaur, and check out the other Daily Dinosaurs here.

This image is taken from The Princeton Field Guide to Dinosaurs by Gregory S. Paul. It may not be reproduced elsewhere without permission.

This image is taken from The Princeton Field Guide to Dinosaurs by Gregory S. Paul. It may not be reproduced elsewhere without permission.

Yangchuanosaurus dongi
8 m (26 ft) TL, 1.3 tonnes
FOSSIL REMAINS Complete skulls and majority of a skeleton.
ANATOMICAL CHARACTERISTICS Snout ridges not well developed.
AGE Late Jurassic, probably Oxfordian.
DISTRIBUTION AND FORMATION Northwest China; Shishugou.
HABITAT Prey included mamenchisaur sauropods.
NOTES This species barely differs from Y. shangyuensis.