The new life burgeoning on land apparently escaped the worst effects of the mass extinction that ended the Devonian. The main victims were marine creatures, with up to 70 percent of species wiped out.

Life on Earth is anything but predictable. For evidence, look no further than the five mass extinctions that have occurred over the past 500 million years: Even in the midst of widespread ...

By the middle of the Devonian (380 million years ago), the genus Antarctilamna had appeared ... The end of the Permian Period (252 million years ago) saw yet another mass extinction event, wiping out ...

Unfortunately, like most marine life during this time, they met their demise during the devastating mass extinction at the end of the Devonian period. Note: A licence from the Antiquities and ...