More tropical forests were in ancient Australia than previously thought, study indicates

06/13/2013 | LiveScience.com

A chemical analysis of fossilized teeth from a species of ancient kangaroo in Australia revealed that the animals fed on leafy tropical plants, suggesting the environment was much more lush 2.5 million years ago than researchers previously thought. The ancient marsupials would have been larger than modern-day kangaroos and lived in a tropical forest. "In paleontology, we tend to look a lot at morphology, but chemical studies of fossils can tell us about diets and environments, which can help us understand about extinction and evolution," said comparative biologist Shaena Montanari.

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