An anonymous reader quotes a report from The Guardian: The largest known dinosaur footprints have been discovered in Western Australia, including 1.7 meter prints left by gigantic herbivores. Until now, the biggest known dinosaur footprint was a 106cm track discovered in the Mongolian desert and reported last year. At the new site, along the Kimberley shoreline in a remote region of Western Australia, paleontologists discovered a rich collection of dinosaur footprints in the sandstone rock, many of which are only visible at low tide. The prints, belonging to about 21 different types of dinosaur, are also thought to be the most diverse collection of prints in the world. Steve Salisbury, a vertebrate paleontologist at the University of Queensland told ABC News: “We’ve got several tracks up in that area that are about 1.7 meters long. So most people would be able to fit inside tracks that big, and they indicate animals that are probably around 5.3 to 5.5 meters at the hip, which is enormous.” “It is extremely significant, forming the primary record of non-avian dinosaurs in the western half the continent and providing the only glimpse of Australia’s dinosaur fauna during the first half of the early Cretaceous period,” he said. The findings were reported in the Memoir of the Society of Vertebrate Paleontology. The largest tracks belonged to sauropods, huge Diplodocus-like herbivores with long necks and tails. The scientists also discovered tracks from about four different types of ornithopod dinosaurs (two-legged herbivores) and six types of armored dinosaurs, including Stegosaurs, which had not previously been seen in Australia. At the time the prints were left, 130m years ago, the area was a large river delta and dinosaurs would have traversed wet sandy areas between surrounding forests.
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