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This undated handout from the University of Queensland released on March 27, 2017 shows the topotype track of Walmadanyichus hunteri (Hunter's mark of Walmadany) in Lower Cretaceous rocks of the Broome Sandstone.
An “unprecedented” 21 different types of dinosaur tracks have been found on a stretch of Australia's remote coastline, scientists said on March 27, 2017, referring to it as the nation's Jurassic Park. (Photo by Damian Kelly/AFP Photo/University of Queensland)
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