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Fossil discovery in Australia reveals 'upside down' dinosaur ecosystem with 2 giant predators

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80% Informative

Fossils of two predators that lived alongside one another in Australia have been identified.

Megaraptorids were a group of fearsome predators in the Cretaceous period ( 145 million to 66 million years ago) They lived in the ecosystems of Australia and South America .

The fossils were found in what were the banks of a large river, like the modern-day Ganges or Amazon .