it is considered that a combination of climate changes and hunting by humans may have contributed to its extinction

ocupan casi un cuarto de la longitud total del cráneo y son algo triangulares

such as squid and other smaller marine reptiles

Evans y Marc E

Fossils and discovery: Fossils of Livyatan melvillei have been found in different places around the world

Coelophysis bauri Hainosaurus it is considered that aCoelophysis 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