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Gradual Dinosaur Extinction and Simultaneous Ungulate Radiation in the Hell Creek Formation

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Science  02 May 1986:
Vol. 232, Issue 4750, pp. 629-633
DOI: 10.1126/science.232.4750.629

Article Information

vol. 232 no. 4750 629-633

PubMed: 
Print ISSN: 
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History: 
  • Received for publication July 8, 1985
  • Accepted for publication January 28, 1986
  • .

Author Information

  1. ROBERT E. SLOAN1,
  2. J. KEITH RIGBY JR.2,
  3. LEIGH M. VAN VALEN3,
  4. DIANE GABRIEL4
  1. 1Department of Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455.
  2. 2Department of Earth Sciences, University of Notre Dame, Notre Dame, IN 46556.
  3. 3Biology Department, University of Chicago, Chicago, IL 60637.
  4. 4Department of Vertebrate Paleontology, Milwaukee Public Museum, Milwaukee, WI 53233.

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