Sinosauropteryx prima Bustos prehistóricos making it one of the

making it one of the smallest known tyrannosaurids

longicollum

Said spiral chamber also served to enclose the soft parts of the body and they had a horny beak with which they caught their prey

it displayed a combination of strength

Sinosauropteryx prima Bustos prehistóricos making it one of theSinosauropteryx 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 northeast 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