Los investigadores llegaron a esta conclusión después de analizar los fósiles de la mandíbula de varios tiranosaurios

durante el Maastrichtiense del Cretácico Superior

Ammonites (Ammonite sp)

y una cola que se volvía casi blanca en la punta

Coelophysis bauri Scale:1:10 Los investigadores llegaron a estaCoelophysis bauri, whose name means "hollow form of Georg Baur", is a coelophysid theropod dinosaur that inhabited North America during the late Triassic period, approximately 209 to 201 million years ago. It stood out for its graceful constitution, reaching a length of 2. 5 to 3 meters and a height of one meter, with a weight close to 28 kilograms. Their complete skeletons have provided valuable information about their morphology. It had an elongated