Lark Quarry Dinosaur Trackways

Dinosaur Stampede National Monument at Lark Quarry Conservation Park (also known just as Lark Quarry or Dinosaur Stampede) in Australia is considered to be the site of the world's only known record of a dinosaur stampede, with fossilised footprints are interpreted as a predator stalking and causing a stampede of around 150 two-legged dinosaurs. This interpretation has been challenged in recent years, with evidence suggesting it may have been a natural river crossing In 2015 Shire of Winton invited the Australian Age of Dinosaurs Museum of Natural History to take over the operation of public guided tours at Dinosaur Stampede National Monument. This joint initiative, implemented in April 2016, provides visitors with a broader understanding of unique Australian dinosaurs and the world they inhabited.

The Lark Quarry site is about 110 km (68 mi) south west of the western Queensland town of Winton.

The traditional account is that a group of perhaps 180 chicken-sized coelurosaurs and Bantam to emu-sized ornithopods were disturbed by the arrival of a single much larger theropod, perhaps Australovenator or a related form, which may have been up to 6 metres long with 50-centimetre feet. The different track types are placed within the ichnotaxa Skartopus (coelurosaurs), Wintonopus (ornithopods) and Tyrannosauropus (large theropod).

The Skartopus and Wintonopus trackmakers were thought to have stampeded past the Tyrannosauropus trackmaker, leaving thousands of footprints in the surrounding mudflat. More recent research by the University of Queensland has indicated that the Tyrannosauropus prints were produced by a large herbivore similar to Muttaburrasaurus, rather than by a predatory theropod.

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