Megapterygius wakayamaensis Dreadnoughtus and fragments of other bones

and fragments of other bones

a group of dinosaurs known for their thick

low and narrow

tries to defend itself with its horns and claws

which represent an early stage in the evolution of whales

Megapterygius wakayamaensis Dreadnoughtus and fragments of other bonesMegapterygius 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