Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period.

The research team explained that Mallorca, at the time of the gorgonopsians, was part of the "supercontinent" of Pangea. The post Fossil of oldest known animal with ‘saber teeth’ found in Spain ...

The fact that this newly discovered gorgonopsian predates its closest relatives by tens of millions of years changes scientists' understanding of when therapsids evolved, the researchers concluded ...