Meet Lalieudorhynchus, a distant relative of today’s mammals.
Sergey Krasovskiy/Stocktrek Images/Stocktrek Images/Getty Images
Before the dinosaurs, Earth was home to strange, reptile-looking creatures called synapsids that roamed the land on four legs.
And a newly discovered synapsid species unearthed in France may have lived like a mammal we see today.