Mar 10, 2023
Ancient platypus-like fossil could rewrite the history of egg-laying mammals
Around 70 million years ago, a small, furry, platypus-like creature shuffled along the banks of an ancient lake. This would not have been a remarkable occurrence, except for one thing: The lake was in present-day Argentina, not Australia. The creature, dubbed Patagorhynchus pascuali, is the oldest fossil of the egg-laying...