Four-legged fossils found in Scotland may help fill a 15-MILLION-year gap in evolutionary history

While much is known about our evolutionary history, until now, a 15-million-year gap has remained in the fossil record.

But researchers believe they may have helped bridged that gap after unearthing five new species of what may be the earliest four-legged backboned animals to walk on land.

The animals come from a crucial point in history, when amphibians split from the group that would later give rise to mammals, birds and reptiles.

Read more: http://www.dailymail.co.uk/sciencetech/article-4002528/How-life-walked-land-Four-legged-fossils-Scotland-help-15-MILLION-year-gap-evolutionary-history.html#ixzz4SR4M38Tv