The findings were led by two mammalogists, Honorary Associate of the Australian Museum, Professor Tim Flannery; and Professor Kris Helgen, Chief Scientist and Director of the Australian Museum ...

Six monotremes living in the same place at the same time, 100 million years ago at Lightning Ridge, NSW. Clockwise from lower left: Opalios splendens, a newly described species dubbed an ‘echidnapus’; ...

If you’ve always thought echidnas and platypuses were distant cousins who went their separate ways on land and water, think again. A single fossilized arm bone, found in a remote corner of ...

The identification of a key gene in monotremes has increased our understanding of why the stomachs of platypuses and echidnas are atypically small, non-acidic, and, in the instance of platypuses, lack ...

Egg-laying echidnas and platypuses are among the world's most bizarre mammals. With a spotty fossil record, it's difficult to tell how these monotremes evolved. But evidence is mounting that the ...

Museum drawers have revealed the fossilised remains of extinct giant echidnas, some as large as dogs. These discoveries shed light on the diversity of ancient monotremes, a unique group of egg-laying ...

Monotremes display a unique mix of mammalian and reptilian features and form the most distantly related, and least understood, group of living mammals. Their genetic blueprint provides fundamental ...