Illustration of six ancient monotreme species whose fossilised remains were found at Lightning Ridge, Australia Illustration by Peter Shouten
From inside an old safe in the Australian Museum in Sydney, palaeontologist Tim Flannery carefully removes a shoe-box-sized container and places it on a table. Inside are more boxes and containers, like a Russian doll.
Once the contents are fully revealed and spread out, there are nine tiny fragments of fossilised jawbones. If Flannery and his colleagues are right, before us is a glimpse into a lost world – a previously unknown chapter of mammal history. Flannery tells me the…
Article amended on 28 May 2024
A statement about the Australian Museum’s purchase of the Steropodon fossil was corrected.
