approximately 153 and 148 million years ago

Its legs were very robust and were adapted to support the great weight of the animal and also the front legs were almost the same length as the hind legs

Al ser un estegosaurio

The exact reasons for their extinction are not yet fully understood

Pakicetus inachus is a species of prehistoric cetacean that lived approximately 50 million years ago

Livyatan melvillei Lystrosaurus approximately 153 and 148 millionLivyatan melvillei is an extinct species of predatory cetacean that lived during the Miocene, approximately 12 13 million years ago. It is named after Leviathan, a mythological sea creature mentioned in the Bible, and Herman Melville, the author of the novel "Moby Dick." This cetacean belonged to the sperm whale family, but differed in several key aspects from modern sperm whale species. Outstanding features of Livyatan melvillei: Impressive size: