Scientists unearth 74&million&year&old mouse&sized mammal fossil in Chile
The fossil of a mouse-sized mammal dating back to the time of the dinosaurs has been unearthed in Chile. The minute creature is the smallest mammal ever found in this part of South America.
The fossil of a mouse-sized mammal dating back to the time of the dinosaurs has been unearthed in Chile. The minute creature is the smallest mammal ever found in this part of South America.
