El tronco y la caja torácica eran anchos y macizos

was an imposing species of wolf that roamed North America to Argentina during the Pleistocene

which was large compared to the rest of the body

Einiosaurus lived in herds

referring to these structures

Sinosauropteryx prima Scale:1:10 El tronco y la cajaSinosauropteryx prima is the only known species of the extinct genus Sinosauropteryx of feathered compsognathid theropod dinosaur, which lived in the mid Cretaceous period, approximately 125 million years ago, in the Aptian, in what is now Asia. It was discovered in northeastern China's Liaoning province, which is famous for its abundant and well preserved dinosaur fossils. Sinosauropteryx was a small dinosaur, with an estimated length of around 1. 1