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Fossilized Teeth Offer Clues to Dinosaurs’ Favorite Foods About 150 Million Years Ago

Discover how researchers tell which foods dinosaurs preferred just by analyzing their fossilized tooth enamel.

Rosie McCall
ByRosie McCall
Image Credit: Computer Earth/Shutterstock

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Dinosaurs might not have dental records, but their fossilized teeth offer fascinating clues into their dietary habits. Inspecting chemical signatures stored in the enamel, scientists writing in Palaeography, Palaeoclimatology, Palaeoecology found that different species of herbivores had different preferences and were partial to different parts of the plant — a fact that enabled vast and diverse ecosystems to flourish for millions of years.

“It’s really just more proof that this ecosystem was as spectacular as we thought it was,” lead author Liam Norris, a recent doctoral graduate at the University of Texas’ Jackson School of Geosciences, said in a press release.

A set of Diplodocus teeth sampled by researcher Liam Norris. (Image Credit: Liam Norris)

Liam Norris

The dinosaurs subjected to this particular dental inspection were found in the Early Tithonian Carnegie Quarry at Dinosaur National Monument, an emporium of fossils on the border of Utah and Colorado. The site ...

  • Rosie McCall

    Rosie McCall

    Rosie McCall is a London-based freelance writer who frequently contributes to Discover Magazine, specializing in science, health, and the environment.

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