Story perspectives
Ancient Fossil Reveals Aquatic Ancestors of Platypus and Echidna
5/1/2025
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Story summary
- A groundbreaking study unveils the fossil of Kryoryctes cadburyi, an ancient ancestor of monotremes, showcasing traits of both the platypus and echidna. This 100-million-year-old discovery hints at an amphibious lifestyle for early mammals, revealing that modern platypuses descended from aquatic ancestors, while echidnas made their evolutionary leap to land.
