Instead, the researchers suggest today in the journal Nature that the breaking up of ancient continents might have been the cause for such diversification.

But neither tribe was eager to return, in any guise, to the ancient continent so thoroughly abandoned.

The population migrations were most likely to have been driven by climate change - the effects of the drowning of an ancient continent.

From the locations that it has been described, it is said that this species may have links to the ancient continent, Gondwana.

They belongs to group of tree snails that inhabited the ancient continent of Gondwana over 150 million years ago.

Arctica was an ancient continent which formed approximately 2.5 billion years ago in the Neoarchean era.

After all, East Antarctica was an ancient continent and at one time tropical.

He named this ancient broken continent Gondwanaland.

This is our continent, an ancient continent endlessly renewing itself, and nobody will succeed in dividing us.

Those who were involved in that historic moment for our ancient continent had ambitious aims and, above all, the political will to achieve them.