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Ancient Kiwi ‘mouse’ fills fossil gap

Lower jawbone of primitive ‘mouse’
(Image: PNAS/Worthy et al)

“Palaeontologists have found remains of one of the most primitive type of land mammal in the world, a mouse-sized creature that’s unlike any mammal alive today.

The find, at the edge of a swampy lake on New Zealand’s South Island, not only fills a gap of the nation’s fossil record, it may also help us understand more about the origin of mammals worldwide.”