News FocusSOCIETY OF VERTEBRATE PALEONTOLOGY MEETING

Timing Complicates History of Horses

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Science  26 Nov 2004:
Vol. 306, Issue 5701, pp. 1467
DOI: 10.1126/science.306.5701.1467a

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DENVER, COLORADO-- Almost 1000 paleontologists and enthusiasts met here from 3 to 6 November for the 64th annual meeting of the Society of Vertebrate Paleontology. Researchers reported that it took 4 million years after grasses began to dominate the Great Plains for high-crowned cheek teeth, which have long been considered a response to a changing environment, to appear in herbivores--a puzzling lag.

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