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Embryo fossil found in South Africa is world's oldest proof that mammal ancestors laid eggs
- April 12, 2026 at 7:30 PM
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Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including humans: the therapsids. They were first described more than 150 years ago, based on fossils from South Africa. Since then, many more fossils have been discovered.
Originally published at Phys.org