Dinosaur footprints found in Australia
By T.K. Randall
August 12, 2011 · 4 comments
Image Credit: Jon Sullivan
An impressive set of over 20 three-toed dinosaur tracks has been discovered along the Australian coast.
The 105 million-year-old tracks are the largest collection ever found in the southern hemosphere and were made by several small theropod dinosaurs. "These tracks provide us with a direct indicator of how these dinosaurs were interacting with the polar ecosystems, during an important time in geological history," said lead researcher Anthony Martin.
During that era, about 115 to 105million years ago, the dinosaurs roamed in prolonged polar darkness. The Earth's average temperature was 68F - just ten degrees warmer than today - and the spring thaws would cause torrential flooding in the river valleys.
Source: Daily Mail
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