suggesting that it was an agile and fast terrestrial predator

allowing them to pursue and hunt various prey in different environments

it moved on two legs

two huge Archelon

Lo más destacado de Tenontosaurus eran sus extremidades traseras largas y fuertes

Megapterygius wakayamaensis Scale:1:20 suggesting that it was anMegapterygius wakayamaensis is a species of ichthyosaur that lived during the Early Cretaceous period, approximately 130 million years ago. This marine reptile was discovered in the Wakayama region, Japan, and its specific name, "wakayamaensis", refers to this locality. Megapterygius wakayamaensis belonged to a group of marine reptiles that adapted extraordinarily well to life in water. With an estimated length of between 6 and 8 meters, this