Scientists from the National History Museum in London have uncovered an amazing secret about the oldest mammal ever found. By studying ancient teeth fossils, they made an incredible discovery. Did you know, this newly identified mammal, called Brasilodon quadrangularis, lived 225 million years ago, making it 20 million years older than any mammal known before. This small creature, similar to a shrew, roamed the Earth alongside some of the very first dinosaurs. It was about 20 centimeters long. How fascinating it is to learn about these ancient creatures that lived so long ago!
