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Echidnas' Aquatic Origins Challenged by Ancient Bone Discovery

4/29/2025

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Summary

Story summary

Echidnas, long believed to have land-dwelling roots, are now revealed to share a semi-aquatic lineage with platypuses, thanks to a remarkable 108-million-year-old bone from Kryoryctes cadburyi. This groundbreaking discovery shakes the foundations of evolutionary theory, urging scientists to seek more fossils to unravel the true history of these unique creatures.

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Story summary

Echidnas, long believed to have land-dwelling roots, are now revealed to share a semi-aquatic lineage with platypuses, thanks to a remarkable 108-million-year-old bone from Kryoryctes cadburyi. This groundbreaking discovery shakes the foundations of evolutionary theory, urging scientists to seek more fossils to unravel the true history of these unique creatures.