letfatestaynight: wolyboly: The Helicoprion was a shark-like fish that arose in the oceans of the late Carboniferous 280 million years ago, and eventually went extinct during the early Triassic some 225 million years ago. The Helicoprion kept
tags: animals, pre-historic, extinct, fish, sea, underwater
original: https://dudebronews.tumblr.com/post/52206446288