In Depth Though only small, Echinochimaera is still a very interesting fish that is known to have swum in the waters of what is now Montana during the Carboniferous. Echinochimaera had a deep round body that was propelled by a relatively thin tail which ended in a small caudal fin. This indicates that Echinochimaera was … Read more
In Depth A cartilaginous fish and therefore relative of sharks and rays, Deltoptychius is often seen as an early rat tail. For a modern analogy, Deltoptychius would be a more primitive version of a modern Chimaera monstrosa. These kinds of fish are usually deep water species that swim around in virtual darkness as very little … Read more
In Depth Nine times out of ten Ischyodus in simply referred to as a prehistoric Chimaera. In this instance it is meant as being similar to Chimaera monstrosa, also known as the rat fish and the rabbit fish, due to its physical similarity. Both Ischyodus and Chimaera monstrosa are members of the Chondrichthyes, which means … Read more