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Published online by Cambridge University Press: 26 July 2017
Australia has a scant but significant record of dinosaurs which includes a prosauropod, two or three sauropods, at least four theropods (including carnosaurs and an ornithomimosaur), four hypsilophodontids, an aberrant iguanodont, a primitive thyreophoran (possibly an ankylosaur), and a possible primitive neoceratopsian. Footprint fossils indicate higher taxonomic diversity, including small bipedal ornithopods and coelurosaurs, very large sauropods, large carnosaurs, and a stegosaur. The most diverse dinosaur assemblage, from the Early Cretaceous of Victoria, represents a polar dinosaur community that lived within the Cretaceous Antarctic Circle.