All  

carve

A fictional animal based on the glyptodon and a palaeoburrow (ichnofossil) found in the State of Rio Grande do Sul, Brazil. Scientists say that this mega-tunnel was created by a long extinct species.

What Giant Beasts Carved Out these South American Mega-Tunnels?

Immense tunnels found in the heart of the jungle in Brazil are thought to have been the den of a gruesome wild animal. Experts doubt that huge burrows were created by a natural geologic process and...