Mammals chewed on dinosaur bones

Published on June 25th, 2010 | by Admin


75-million-year-old bite marks from mammals have been found on the skeletons of dinosaurs.

The bite marks are about 75 million years old from near the end of the age of dinosaurs. They are the oldest mammalian tooth marks found yet. Though small mammals existed in the dinosaur era, it was the fall of dinosaurs that spurred the rise of large mammals, theory holds.

Scientists discovered the marks during fieldwork in Canada, as well as during analyses of university and museum bone collections there.

“The marks stood out for me, because I remember seeing the gnaw marks on the antlers of a deer my father brought home when I was young,” said researcher Nicholas Longrich, a vertebrate paleontologist at Yale University in New Haven, Conn. “So when I saw it in the fossils, it was something I paid attention to.”

[Full story]

Tags: , ,

Leave a Reply

Your email address will not be published. Required fields are marked *

  • Follow me on Twitter!   Subscribe to my RSS feed!
  • Question of the Moment

    "Intellectuals solve problems; geniuses prevent them." - Albert Einstein

    View Results

    Loading ... Loading ...
  • Sponsors

  • Archives