Yet, prehistoric sharks had even crazier ... have grown to be about a meter in length. This shark also looked quite a lot like modern-day eels, hence its name. The most interesting about this ...

The frilled shark has a long, eel-like body that can grow up to 6. ... giving it a distinctive, prehistoric look. Unlike most sharks, the frilled shark has no separate dorsal fin near its tail.

Here are some animals from dinosaur era which are still alive. The horseshoe crab has been around for over 450 million years. It's armor like shell and blue blood make it a true survivor. The Japanese ...