- by foxnews
- 26 Nov 2024
Australian scientists solve mystery of moment monotremes migrated
Australian scientists solve mystery of moment monotremes migrated
- by theguardian
- 27 Mar 2022
- in news
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Researchers have pinpointed exactly how and when echidnas likely arrived in Australia as part of a fossil analysis shedding new light on the origins of egg-laying mammals.
The researchers have also classified the earliest monotreme, a tiny insect-eating creature that lived an estimated 126m years ago, in its own mammalian family. The animal, Teinolophos trusleri, weighed an estimated 40g and lived at a time when southeastern Australia lay close to the south pole, as part of the supercontinent Gondwana.
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