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A tiny shark from the ancient past of the United States

Sixty-eight million years ago, a Tyrannosaurus rex died in a small river in what is now South Dakota, USA. Along with "Sue", the T. rex's skeleton, many other animals had pieces of their skeleton preserved in the same section of the river. The most recently... click to read more

  • Terry A. Gates | Assistant Professor at Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
Views 2269
Reading time 4 min
published on Nov 15, 2019