The near-complete skeleton represents a species called Nambaroo gillespieae, one of the earliest known predecessors to the modern roo.This form appears to be at the beginning of the radiation of the different kangaroo forms present recently and today.
The La Trobe University palaeontologist Ben Kear, part of an Australian team that analysed the bones, said the Nambaroo had big, muscly forearms that showed it galloped or bounded like a brushtail possum.
The ancient kangaroo also had opposable big-toes and flexible feet, a sign it had some climbing ability, like today's tree kangaroos. It lived in a dense, forest environment, which suggests a diet of fruit and fungi.
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