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Colourful Opal Fossils Point to a Diverse Group of Giant Dinosaurs that Shared Australia’s Terrain

Colourful Opal Fossils Point to a Diverse Group of Giant Dinosaurs that Shared Australia’s Terrain

North-central New South Wales today is known for its arid, drought-prone climate. During the Cretaceous period, however, it was a lush coastal floodplain with a high diversity of vertebrates including dinosaurs, crocodiles, turtles and soaring pterosaurs. New insights gleaned from opalised teeth, found near the town of Lightning Ridge, are…