It is a member of the Sphenacodontidae family and is the best known of the Pelicosaurs

and small front legs with three toes and sharp claws

This discovery underlines the importance of Argentine Patagonia as a key region for the study of dinosaur evolution

They could measure up to 9 meters and weigh around 3000 kilos

Ankylosaurus magniventris Patagotitan It is a member ofAnkylosaurus (A. magniventris "Fused Lizard") was a herbivorous dinosaur that lived during the Maastrichtian of the Late Cretaceous period, approximately 68 66 million years ago. It was one of the last and largest members of its group, the ankylosaurids, which were characterized by their body armor and a club shaped tail. The ankylosaur measured around 6. 5 meters in length and weighed about 4 tons. Its body was covered with bony plates that provided