PolicyTuesday, April 14, 2026ScienceDaily
Mammal ancestors laid eggs, and this 250-million-year-old fossil finally proves it
A newly discovered 250-million-year-old fossil, containing the egg of the ancient mammal ancestor Lystrosaurus, provides critical evidence that early mammal-like creatures laid eggs. This finding enhances our understanding of evolutionary history and the survival of species following mass extinction events. Such insights can inform conservation policies aimed at preserving existing biodiversity.
