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• n  hard white substance covering the crown of a tooth

• enamel

News & Articles

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• Ancient marsupial teeth reveal Australia's tropical past
  By Denise ChowLiveScience The fossilized teeth of ancient marsupials that roamed through northeastern Australia roughly 2.5 million years ago suggest these animals fed on leafy plants in a much more lush and tropical environment than was previously thought, according to a new study.A chemical analysis of tooth enamel from extinct marsupialsin Queensland, the second-largest state in Australia ...
  June 13, 2013 - NBC NEWS
• Fossil kangaroo teeth reveal mosaic of Pliocene ecosystems in Queensland
  The teeth of a kangaroo and other extinct marsupials reveal that southeastern Queensland 2.5-5-million-years ago was a mosaic of tropical forests, wetlands and grasslands and much less arid than previously thought. The chemical analysis of tooth enamel that suggests this diverse prehistoric habitat is published June 12 in the open-access journal PLOS ONE by Shaena Montanari from the American ...
  June 12, 2013 - EurekAlert!