Australian bones could shed light on prehistoric extinction mystery.

The skeletons of eight new species of extinct kangaroo have been found amongst a bounty of fossils beneath the arid Nullarbor plain in south-central Australia.

In three caves, researchers unearthed the remains of 69 vertebrate species, plus a mollusc, that lived between 800,000 and 200,000 years ago1. The rare find sheds light on an intensely debated topic: what wiped out the large prehistoric animals, or megafauna, that roamed ancient Australia?

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