approximately 252 to 248 million years ago

Brachiosaurus altithorax may also have ingested stones to aid in the digestion process

Los mamuts lanudos adultos podían defenderse eficazmente de los depredadores pero los juveniles y los adultos debilitados eran vulnerables a los cazadores en manada

Ancho 91 mm

Spinosaurus Devónico approximately 252 to 248 millionSpinosaurus (S. aegyptiacus "Spinal Lizard") lived in what is now North Africa during the Albian and Cenomanian of the Early Cretaceous period approximately 112 to 93 million years ago. One of the largest predators, with semi aquatic habits and a fundamentally piscivorous diet. Its nostrils were higher up on its snout than the nostrils in other dinosaurs, this would have allowed the animal to breathe even with most of its snout submerged, and its