This is Baptanodon, an ichthyosaur which lived during the late Jurassic Period about 160-155 million years ago. During this time, the central part of North America was covered with a body of saltwater known as the Sundance Sea, and Baptanodon… Read More ›
shark
Hybodus, the iconic shark of the dinosaur age
Many people, usually un-informed talking heads that appear on populist nature documentaries who want to make claims that will grab your attention, will say that sharks have remained unchanged since the time of the dinosaurs. It’s wrong. The Mesozoic Era,… Read More ›
Lonchidion, a prehistoric shark
This is a drawing of Lonchidion, a hybodont shark from the Mesozoic Era. There were at least eleven different species, one of which was found in the Hell Creek Formation. I won’t get into all of the particulars regarding this… Read More ›
Cretoxyrhina and Squalicorax
Let’s change from dinosaurs to some other prehistoric life. Here are two prehistoric sharks. The large gray one on top is called Cretoxyrhina mantelli, more commonly known as the Ginsu Shark. The smaller blue one underneath is called Squalicorax falcatus,… Read More ›