Prehistoric sharks

An in-depth profile of Stethacanthus, including this prehistoric shark's characteristics, behavior and habitat.

Sharks by Julio Lacerda

We are in the midst of the Discovery Channel's annual celebration known as Shark Week. In honor of the occasion, here's a look at the strangest species of sharks, both living and extinct. 1. Sawshark (Image credit: Flickr user Gore Fiendus/Jerry Frausto) There are seven known species of sawsharks (Pristiophoriformes) that have long snouts with teeth, but they are not related to sawfish (although sawsharks are fish). They swim along the floor of the ocean and use their snouts exactly as you…

Livyatan

Sharks have survived five mass extinctions. Discover what the first sharks were, when the megalodon first appeared, and how this group of fishes changed over 450 million years.

Bandringa, a 310 million-year-old shark

Cretoxyrhina was a genus of large shark that lived during the late Cretaceous. It was named in 1959. Cretoxyrhina is among the most well-understood fossil sharks to date. Several preserved specimens have revealed a great deal of insight about the physical features and lifestyle of this ancient...

helicoprion

How big the Megalodon really was

Art illustration - Aquatic Animals - Cladoselache shark: It lived about 375 million years ago. One of the well known prehistoric sharks, measuring 1 meter long, lived in the warm seas of North America.

Put a description of the page here

Do you guys like Paleontology facts? (I can tag you for more)