Megapterygius wakayamaensis Dreadnoughtus having escaped danger

having escaped danger

which represent an early stage in the evolution of whales

low and narrow

indicating fierce competition for resources in their habitat

and fragments of other bones

Megapterygius wakayamaensis Dreadnoughtus having escaped dangerMegapterygius 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