Irish History Dvd

Important of Historiography

Tag: triassic

Articles, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

The Evolutionary Epic: Crash Course Big History #5

Hi, I’m John Green. Welcome to Crash Course Big History. Today we’re gonna be traversing the evolutionary epic – the great story of magnificent beasts, terrifying predators, quite a lot of extinctions, and countless varieties of evolutionary forms. It’s the

Read More
Ichthyosaurs 101 | National Geographic
Articles, Blog, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Ichthyosaurs 101 | National Geographic

– [Narrator] While dinosaurs roamed the Earth and pterosaurs ruled the sky, sea monsters called ichthyosaurs dominated the world’s oceans. Ichthyosaurs were ancient reptilian predators. They first appeared about 251 million years ago during the Triassic Period. 20 million years

Read More
The 6 Craziest Extinctions Ever